CN103839722B - Illuminated keyboard - Google Patents
Illuminated keyboard Download PDFInfo
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- CN103839722B CN103839722B CN201210483069.5A CN201210483069A CN103839722B CN 103839722 B CN103839722 B CN 103839722B CN 201210483069 A CN201210483069 A CN 201210483069A CN 103839722 B CN103839722 B CN 103839722B
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Abstract
The present invention provides a kind of illuminated keyboard, including multiple straight-down negative light-emitting components, sensor circuit layer, multiple button and transparent support board.When button is near sensor circuit layer, sensor circuit layer can the corresponding contactless push button signalling of generation one, and each straight-down negative light-emitting component is corresponding to a button, and it is arranged at the lower section of corresponding button, and transparent support board is arranged between multiple straight-down negative light-emitting component and multiple button.The light beam of each straight-down negative light-emitting component is projected to corresponding button after transparent support board.The present invention can effectively promote the service efficiency of light.
Description
Technical field
The present invention relates to a kind of keyboard, particularly relate to a kind of keyboard with lighting function.
Background technology
In recent years, owing to the information industry development is rapid, many user are likely to use portable type information device under various circumstances, for instance notebook computer, mobile phone or personal digital assistant etc..At the environment that light is more weak, user is likely to not see the numeral indicated on Chu's keyboard and word, thus results in operation difficulty, and severe patient possibly even allows visual impairment because inadequate identification button indicates.Therefore, the release of illuminated keyboard can improve user in the inconvenience of insufficient light place use keyboard.What is more, by different luminous configurations, the massaging device using illuminated keyboard can be made to seem more aesthetically pleasing, and then increase its market.
Referring to Fig. 1, it is the structural profile schematic diagram of existing illuminated keyboard.Illuminated keyboard 1 includes reflector 11, light guide plate 12, gripper shoe 13, film circuit board 14, multiple button 15 and side direction type illuminating element 16, wherein, film circuit board 14 includes lower plywood 141, top plate 142 and the la m between lower plywood and top plate 143, and lower plywood 141, la m 143 and top plate 142 are all made by transparent light guide material, transparent light guide material can be Merlon (PC) or polyethylene (PET) etc..
Furthermore, please synchronize to consult Fig. 2, it is the three-dimensional exploded view of the film circuit board of illuminated keyboard shown in Fig. 1, lower plywood 141 has the first circuit pattern 1411 being made up of multiple elargol circuits 14111 with multiple lower contacts 14112, and top plate 142 has the second circuit pattern 1421 being made up of multiple elargol circuits 14211 with multiple upper contacts 14212, again, la m 143 has the contact perforate 1431 corresponding to multiple lower contacts 14122 with multiple upper contacts 14212, wherein, the corresponding lower contact 14112 of each upper contact 14212 is collectively forming a thin film switch 144.
Again, gripper shoe 13 is arranged at the lower section of film circuit board 14, and has multiple perforation 131, first fixed structure 132 and the second fixed structure 133；And each button 15 includes keycap 151, elastomer 152 and scissor connecting element 153, and keycap 151 includes the first keycap fixed structure 1511 and the second keycap fixed structure 1512；And scissor connecting element 153 includes the first framework 1531 and the second framework 1532；Additionally, elastomer 152 is between keycap 151 and film circuit board 141.
Wherein, film circuit board 14 has the through hole 145 and through hole 146 that pass through respectively for first fixed structure 132 and the second fixed structure 133, one end 15311 for the first framework 1531 may connect to the second fixed structure 133, and its other end 15312 may connect to the first keycap fixed structure 1511, and the one end 15321 for the second framework 1532 may connect to first fixed structure 132, and its other end 15322 may connect to the second keycap fixed structure 1512.
When arbitrary button 15 touched and when moving down relative to gripper shoe 13, first framework 1531 of scissor connecting element 153 and the second framework 1532 are changed to closed state by folding condition, and the keycap 151 moved down can extrude elastomer 152 and make elastomer 152 support its corresponding upper contact 14212, and then make its corresponding upper contact 14212 contact corresponding lower contact 14122 via corresponding contact perforate 1431, thereby make corresponding thin film switch 144 reach electrically conduct, so that illuminated keyboard 1 produces a corresponding push button signalling.And when button 15 is no longer touched, keycap 151 up can move relative to gripper shoe 13 according to the elastic force of elastomer 152, now the first framework 1531 and the second framework 1532 are changed to folding condition by closed state, and keycap 151 can set back.
Furthermore, side direction type illuminating element 16 is arranged at the side of light guide plate 12, in order to provide light beam to inject light guide plate 12.And light guide plate 12 is arranged on reflector 11, and its lower surface has to assemble and multiple light guiding points 121 of scattered beam.Multiple light guiding points 121 are set according to the position of corresponding multiple buttons 15.Wherein, when light beam injects light guide plate 12, light beam is flooded to whole light guide plate 12, and multiple light guiding points 121 can because of it for the relation of ink material by light beam up and down scattering, up the light beam of scattering sequentially can be projected to multiple button 15 by multiple perforation 131 of gripper shoe 13 and film circuit board 14, and the light beam of down scattering can make light beam upwards reflect then through the auxiliary by reflector 11, so that the light beam that side direction type illuminating element 16 provides can be completed utilization.As it has been described above, multiple button 15 can be made to produce the effect of luminescence.Only, existing illuminated keyboard 1 has shortcoming as described below:
Although the light beam that a reflector 11 can assist multiple downward scattering of light guiding points 121 reflects upward, but the material of the reflector 11 of existing illuminated keyboard 1 still can allow a little light beam penetrate, therefore a part can be penetrated reflector 11 by the light beam of multiple downward scatterings of light guiding points 121 and cause the loss of light quantity.
Although whole light guide plate 12 can be flooded to when two light beams inject light guide plate 12, but segment beam has been reflected outside light guide plate 12 by the light guiding points 121 nearer due to distance side direction type illuminating element 16 so that the region that in light guide plate 12, the light quantity in distance side direction type illuminating element 16 region farther out is nearer not as distance side direction type illuminating element 16 is come sufficient.
Three, owing to the running stroke of scissor connecting element 153 is longer, therefore illuminated keyboard 1 have to have enough spaces and can make the normal operation of scissor connecting element 153, but but therefore cannot effectively reduce the thickness of illuminated keyboard 1, to such an extent as to cannot meet now electronic product towards the external form demand of development light, thin, short and small.
Illustrate it is recognized that while existing illuminated keyboard 1 through the cooperation of side direction type illuminating element 16 and light guide plate 12 make multiple button 15 to produce the effect of luminescence for above-mentioned and second point at first, but efficiency of light is not good.Base this, under the thinking how improving efficiency of light, attempt substituting side direction type illuminating element 16 with straight-down negative light-emitting component, and make straight-down negative light-emitting component be arranged at the lower section of button 15, directly could provide light beam to button 15, thereby obtain preferably efficiency of light；But, in such practice, straight-down negative light-emitting component is in the shift motion of button 15, therefore user just cannot be made corresponding thin film switch 144 reach electrically conducted by depressed key cap 151, therefore substitute side direction type illuminating element 16 with straight-down negative light-emitting component and directly provide the way of light beam cannot be embodied on existing illuminated keyboard 1 towards button 15.
Furthermore, because above-mentioned thirdly described defect, there is now a kind of capacitor induction type keyboard to be suggested, its process being pressed down by keycap changes the electric field of the corresponding capacitance-type switch in the circuit board of keyboard and makes circuit board produce to export a corresponding push button signalling；Wherein, the related elements such as the scissor connecting element of use it are not necessarily intended to due to capacitor induction type keyboard so that the integral thickness of capacitor induction type keyboard is effectively reduced；But, not yet there is the capacitor induction type keyboard of tool illumination effect to be suggested now, therefore under the environment that light is more weak, user is likely to not see numeral and the word that the button on Chu's capacitor induction type keyboard indicates, thus result in operation difficulty or visual impairment.
Summary of the invention
For problems of the prior art, the main purpose of the present invention is providing a kind of illuminated keyboard, especially with respect to a kind of illuminated keyboard promoting efficiency of light and noncontact sensing form.
In a preferred embodiment, the present invention provides a kind of illuminated keyboard, including:
One sensor circuit layer, in order to produce at least one contactless push button signalling；
At least one button, in order to touched and make this sensor circuit layer produce this at least one contactless push button signalling；
At least one straight-down negative light-emitting component, is arranged at the lower section of this at least one button, in order to provide a light beam；And
One transparent support board, is arranged between this sensor circuit layer and this at least one button, is connected in this gripper shoe with for this at least one button；
Wherein, this light beam of this at least one straight-down negative light-emitting component is projected to this at least one button after this transparent support board.
In a preferred embodiment, this sensor circuit layer includes a sensor circuit pattern and a sensor circuit plate, and this sensor circuit pattern is formed on this sensor circuit plate.
In a preferred embodiment, this sensor circuit layer also includes a light emitting element driving circuit pattern, and this light emitting element driving circuit pattern is formed on this sensor circuit plate, in order to drive this at least one straight-down negative light-emitting component to provide this light beam.
In a preferred embodiment, illuminated keyboard also includes a light emitting element driving circuit plate and a light emitting element driving circuit pattern, and this light emitting element driving circuit pattern is formed on this light emitting element driving circuit plate, in order to drive this at least one straight-down negative light-emitting component to provide this light beam；Wherein, this sensor circuit plate is between this light emitting element driving circuit plate and this at least one button.
In a preferred embodiment, this sensor circuit layer has at least one circuit layer corresponding to this at least one straight-down negative light-emitting component and bores a hole.
In a preferred embodiment, this sensor circuit pattern includes at least one first polar circuit pattern and at least one second polar circuit pattern, and when this sensor circuit layer is energized, this at least one first polar circuit pattern and produce an electric field between this at least one second polar circuit pattern；Wherein, when this at least one button touched and near this sensor circuit pattern time, this electric field produce change and make this sensor circuit layer produce this at least one contactless push button signalling.
In a preferred embodiment, this sensor circuit layer includes a sensor circuit pattern and a sensor film wiring board, and this sensor circuit pattern is formed on this sensor film wiring board.
In a preferred embodiment, this sensor circuit layer also includes a light emitting element driving circuit pattern, and this light emitting element driving circuit pattern is formed on this sensor film wiring board, in order to drive this at least one straight-down negative light-emitting component to provide this light beam.
In a preferred embodiment, illuminated keyboard also includes a light emitting element driving circuit plate and a light emitting element driving circuit pattern, and this light emitting element driving circuit pattern is formed on this light emitting element driving circuit plate, in order to drive this at least one straight-down negative light-emitting component to provide this light beam；Wherein, this sensor film wiring board is between this light emitting element driving circuit plate and this at least one button.
In a preferred embodiment, this sensor circuit layer has at least one circuit layer corresponding to this at least one straight-down negative light-emitting component and bores a hole.
In a preferred embodiment, this sensor film wiring board is made by polyethylene terephthalate (PET) material, Merlon (PC) material, thermoplastic polyurethanes (TPU) or acryl plastic cement (PMMA) material.
In a preferred embodiment, this sensor circuit pattern includes one first polar circuit pattern and one second polar circuit pattern, and when this sensor circuit layer is energized, this first polar circuit pattern and produce an electric field between this second polar circuit pattern；Wherein, when this at least one button touched and near this sensor circuit pattern time, this electric field produce change and make this sensor circuit layer produce this at least one Non-contact key switch signal.
In a preferred embodiment, this at least one button includes:
One keycap, is revealed in the outside of this illuminated keyboard；And
One conductor, is arranged between this keycap and this sensor circuit layer, and along with this keycap moves；Wherein, when this keycap is touched, this conductor makes this sensor circuit layer produce this at least one contactless push button signalling near this sensor circuit layer downwards.
In a preferred embodiment, this conductor includes a conductive material, and this conductive material is a conducting foam, a metal material or a metallic paint.
In a preferred embodiment, this at least one button also includes a connecting element, is connected between this transparent support board and this keycap, and makes this keycap move up and down relative to this gripper shoe.
In a preferred embodiment, this connecting element is a scissor connecting element.
In a preferred embodiment, this at least one button also includes multiple elastic arm, in order to make this keycap move up and down relative to this sensor circuit layer；Wherein, each elastic arm includes a fixing end and is connected to this transparent support board and a free end is connected to this keycap.
In a preferred embodiment, this at least one button also includes:
One key frame, has an accommodating hole, and this accommodating hole is embedded in this accommodating hole with for this keycap；And
Multiple elastic arms, in order to make this keycap move up and down relative to this sensor circuit layer, each elastic arm includes fixing arm in, outer movable arm and one jiao of transition part, and this angle transition part is connected between this interior fixing arm and this outer movable arm.
In a preferred embodiment, this transparent support board is formed with multiple micro structure, in order to change the direct of travel of this light beam through this transparent support board.
In a preferred embodiment, any one in the plurality of micro structure is V-arrangement cutting (V-CUT) structure or a texture structure.
In a preferred embodiment, this transparent support board is provided with at least one lenticular body corresponding to this at least one light-emitting component, in order to change the transmission path of this light beam through this transparent support board.
In a preferred embodiment, this transparent support board has at least one lens section corresponding to this at least one light-emitting component, in order to change the transmission path of this light beam through this transparent support board；Wherein, at least one lens section is integrally formed makes with this for this transparent support board.
In a preferred embodiment, illuminated keyboard also includes a metal base plate, is arranged at below this sensor circuit layer.
In a preferred embodiment, this at least one light-emitting component is a light emitting diode.
In a preferred embodiment, illuminated keyboard is a capacitor induction type illuminated keyboard.
In a preferred embodiment, illuminated keyboard also includes a shading element, and it is formed at the surface of this transparent support board.
In a preferred embodiment, this shading element is a black out ink.
The beneficial effects of the present invention is, according to description above, straight-down negative light-emitting component is directly arranged at the lower section of button by illuminated keyboard of the present invention design, and use the gripper shoe to connect button to adopt the design of printing opacity, the light beam of such carried light of straight-down negative light-emitting component directly in being projected to button after the gripper shoe of printing opacity, can effectively promote the service efficiency of light；In addition, owing to illuminated keyboard system of the present invention adopts the sensor circuit layer of noncontact sensing form, therefore the lower section that straight-down negative light-emitting component is directly arranged at button can't affect the running of sensor circuit layer, the keyboard simultaneously also improving existing noncontact sensing form does not have the defect of lighting function, the actually invention of a great industry applications.
Accompanying drawing explanation
Fig. 1: for the structural profile schematic diagram of existing illuminated keyboard.
Fig. 2: for the three-dimensional exploded view of the film circuit board of illuminated keyboard shown in Fig. 1.
Fig. 3: for the illuminated keyboard of the present invention structural side view in the first preferred embodiment.
Fig. 4: for the structural representation of the sensor circuit layer of illuminated keyboard shown in Fig. 3 and drive circuit board.
Fig. 5: for the structure top view of the keycap of illuminated keyboard shown in Fig. 3.
Fig. 6: for enable the light beam through transparent support board diffuse to keycap transmission region one preferably implement conceptual schematic view.
Fig. 7: for enabling another of transmission region that the light beam through transparent support board diffuses to keycap preferably to implement conceptual schematic view.
Fig. 8: be the structural representation of a preferably texture patterning.
Fig. 9: for the illuminated keyboard of the present invention structural side view in the second preferred embodiment.
Figure 10: for the illuminated keyboard of the present invention structural side view in the 3rd preferred embodiment.
Figure 11: for the illuminated keyboard of the present invention structural side view in the 4th preferred embodiment.
Figure 12: for the structural representation of the sensor circuit layer of illuminated keyboard shown in Figure 11.
Figure 13: for the illuminated keyboard of the present invention structural side view in the 5th preferred embodiment.
Figure 14: for the illuminated keyboard of the present invention structural side view in the 6th preferred embodiment.
Figure 15: for the perspective exploded view of the button of illuminated keyboard shown in Figure 14.
Figure 16: for view when not touched of the button of illuminated keyboard shown in Figure 14.
Figure 17: for view when touched of the button of illuminated keyboard shown in Figure 14.
Figure 18: for the perspective exploded view of the illuminated keyboard of the present invention button in the 7th preferred embodiment and transparent support board.
Figure 19: for the illuminated keyboard of the present invention structural side view in the 8th preferred embodiment.
Wherein, description of reference numerals is as follows:
1 illuminated keyboard 2 illuminated keyboard
2A illuminated keyboard 2B illuminated keyboard
2C illuminated keyboard 2D illuminated keyboard
2E illuminated keyboard 2G illuminated keyboard
11 reflector 12 light guide plates
13 gripper shoe 14 film circuit boards
15 button 16 side direction type illuminating elements
20 shading element 21 bases
22 light emitting element driving circuit plate 23 transparent support board
24 sensor circuit layer 24C sensor circuit layer
25 button 25F buttons
26 straight-down negative light-emitting component 28 metal base plates
29 buttons 131 are bored a hole
132 first fixed structure 133 second fixed structures
141 lower plywood 142 top plates
143 la m 144 thin film switches
145 through hole 146 through holes
151 keycap 152 elastomers
153 scissor connecting element 221 light emitting element driving circuit patterns
232 first fixed structure 233 second fixed structures
234 lens section 235 lenticular bodies
236 micro structure 237 texture patternings
241 sensor circuit plate 242 sensor circuit patterns
243 circuit layers are bored a hole 244 sensor film wiring boards
245 sensor film wiring board 251 keycaps
252 conductor 253 connecting elements
254 elastic arm 291 keycaps
293 key frame 294 elastic arms
1411 first circuit pattern 1421 second circuit patterns
1431 contact perforate 1,511 first keycap fixed structures
1512 second keycap fixed structure 1,531 first frameworks
1532 second framework 2,421 first polar circuit patterns
2422 second polar circuit pattern 2423 capacitance key switches
2511 first keycap fixed structure 2,512 second keycap fixed structures
2513 transmission region 2,531 first frameworks
The fixing end of 2532 second framework 2541 elastic arms
Free end 2931 accommodating hole of 2542 elastic arms
The outer movable arm of fixing arm 2942 in 2941
2943 jiaos of transition part 14111 elargol circuits
14112 times contact 14211 elargol circuits
One end of 14212 upper contact 15,311 first frameworks
One end of the other end 15,321 second framework of 15312 first frameworks
One end of the other end 25,311 first framework of 15322 second frameworks
One end of the other end 25,321 second framework of 25312 first frameworks
The other end of 25322 second frameworks
Detailed description of the invention
Referring to Fig. 3 and Fig. 4, Fig. 3 is the illuminated keyboard of the present invention structural side view in the first preferred embodiment, and Fig. 4 is the structural representation of the sensor circuit layer of illuminated keyboard shown in Fig. 3 and drive circuit board.Illuminated keyboard 2 includes from bottom to top sequentially including base 21, light emitting element driving circuit plate 22, sensor circuit layer 24, transparent support board 23 and multiple button 25, and illuminated keyboard 2 also includes the multiple straight-down negative light-emitting components 26 corresponding to multiple buttons 25；Wherein, base 21 is in order to carry light emitting element driving circuit plate 22, sensor circuit layer 24, transparent support board 23, multiple button 25 and multiple straight-down negative light-emitting component 26, and light emitting element driving circuit plate 22 is formed light emitting element driving circuit pattern 221, each straight-down negative light-emitting component 26 is electrically connected at light emitting element driving circuit pattern 221 so that straight-down negative light-emitting component 26 can be driven by light emitting element driving circuit plate 22 and provide light beam.
Again, owing to transparent support board 23 has the effect of printing opacity, as with made by light-transmitting materials, therefore the light beam that each straight-down negative light-emitting component 26 provides can in be projected to corresponding button 25 after transparent support board 23.In this preferred embodiment, straight-down negative light-emitting component 26 is light emitting diode, but being not limited thereto, and the quantity of button 25 and straight-down negative light-emitting component 26 is also not defined identical, those skilled in the art can carry out any equivalent change design according to practical application request.
Furthermore, in this preferred embodiment, illuminated keyboard 2 is a condenser type illuminated keyboard, and sensor circuit layer 24 is a capacitive induction circuit layer, and includes sensor circuit plate 241 and the sensor circuit pattern 242 being formed on sensor circuit plate 241；Wherein, sensor circuit plate 241 is a printed circuit board (PCB) (circuit board as traditional) including metal-insulator substrate, but it is not limited, and sensor circuit pattern 242 includes multiple first polar circuit pattern 2421 and the multiple second polar circuit patterns 2422 corresponding to multiple first polar circuit patterns 2421；Wherein, between each first polar circuit pattern 2421 and the second corresponding polar circuit pattern 2422, there is a spacing distance, and each first polar circuit pattern 2421 forms a capacitance key switch 2423 with the second corresponding polar circuit pattern 2422, when sensor circuit layer 24 is energized, an electric field can be produced between each first polar circuit pattern 2421 and the second corresponding polar circuit pattern 2422 thereof, if now wherein an electric field is changed, then corresponding capacitance key switch 2423 can be excited, sensor circuit layer 24 is made to produce output one contactless push button signalling；Additionally, sensor circuit layer 24 also includes the multiple circuit layers corresponding to multiple straight-down negative light-emitting components 26 bores a hole 243, the light beam provided for straight-down negative light-emitting component 26 passes through.
nullSupplementary notes be，Although above-mentioned each first polar circuit pattern 2421 and the second corresponding polar circuit pattern 2422 thereof are spaced apart with the arrangement mode in same level，But it is not limited thereto，Each first polar circuit pattern 2421 and the second corresponding polar circuit pattern 2421 thereof can also be on different level arrangement mode spaced apart，That is each first polar circuit pattern 2421 may be disposed at above or below the second polar circuit pattern 2422 that it is corresponding，And a spacer portion (such as UV glue) on can coating or print between each first polar circuit pattern 2421 and the second corresponding polar circuit pattern 2422 thereof，Make perpendicular interval between each first polar circuit pattern 2421 and the second corresponding polar circuit pattern 2422 thereof.
In addition, above by capacitive induction, the mode of output key signal and operating principle thereof are as known to those of skill in the art would knowing, namely no longer repeated at this, only sensor circuit pattern shown in Fig. 4 242 is only an embodiment, not limiting to the form of sensor circuit pattern with this, those skilled in the art can carry out any equivalent change design according to practical application request.For example, sensor circuit layer 24 also can be an electromagnetic type sensor circuit layer etc. is the sensor circuit layer of non-contact induction form equally.
Referring once again to Fig. 3, transparent support board 23 is attached to for multiple buttons 25, and multiple button 25 is arranged at and switchs 2423 parts corresponding to multiple capacitance keys, and each button 25 all has keycap 251, conductor 252 and connecting element 253；Wherein, each connecting element 253 is arranged between transparent support board 23 and corresponding keycap 251, in order to connect transparent support board 23 and corresponding keycap 251, and make corresponding keycap 251 can move up and down relative to transparent support board 23, and each conductor 252 is connected to below corresponding keycap 251, to move along with corresponding keycap 251, and conductor 252 includes a conductive material, such as conducting foam, metal material, graphite or metallic paint etc., but it is not limited.
In this preferred embodiment, connecting element 253 is a scissor connecting element, and includes the first framework 2531 and the second framework 2532；And transparent support board 23 also has first fixed structure 232 and the second fixed structure 233, and the keycap 251 of each button 25 all includes one first keycap fixed structure 2511 and one second keycap fixed structure 2512.Wherein, one end 25311 of first framework 2531 may connect to the second fixed structure 233, and its other end 25312 may connect to the first keycap fixed structure 2511, and one end 25321 of the second framework 2532 may connect to first fixed structure 232, and its other end 25322 may connect to the second keycap fixed structure 2512.Certainly, above are only an enforcement aspect, do not limit the connection relationship between this case connecting element 253, transparent support board 23 and keycap 251 with this.
Again, in this preferred embodiment, when arbitrary keycap 251 touched and when moving down relative to transparent support board 23, first framework 2531 of corresponding connecting element 253 and the second framework 2532 are changed to closed state by folding condition, and corresponding conductor 252 can move down and close sensor circuit pattern 242 along with this arbitrary keycap 251, the now corresponding electric field between the first polar circuit pattern 2421 and the second polar circuit pattern 2422 can produce to change, and then corresponding capacitance key switch 2423 is excited, sensor circuit layer 24 is made to produce the contactless push button signalling that output is corresponding.
In this preferred embodiment, illuminated keyboard 2 also includes a keycap recovery ways, be used to this arbitrary keycap 251 no longer touched time, keycap 251 is made up to move relative to sensor circuit layer 24, now the first framework 2531 and the second framework 2532 can be changed to folding condition by closed state, and keycap 251 recovers meeting original position, additionally, this keycap recovery ways also can provide the feedback feel that user presses keycap 251；Wherein, keycap recovery ways can be an elastic force or a magnetic force etc., say, that keycap 251 can set back according to this elastic force or this magnetic force, and so its detailed description of the invention is known by the personage knowing this skill, is namely no longer repeated at this.
Refer to Fig. 5, its structure top view being the keycap of illuminated keyboard shown in Fig. 3.Keycap 251 has at least one transmission region 2513, and transmission region 2513 can include a symbol shape, a numerical switch or a word shape；Be with, the light beam provided when arbitrary straight-down negative light-emitting component 26 is after being sequentially projected to corresponding keycap 251 through corresponding circuit layer perforation 243 and transparent support board 23, those light beams outwards can export from the transmission region 2513 of this corresponding keycap 251, thereby user is it is seen that symbol luminous on button 25, numeral or word, overcomes the operation caused under the environment that light is more weak difficult.
In general, transmission region 2513 is designed at the corner of keycap 251, but, owing to transparent support board 23 is too short with the distance of keycap 251, therefore the light beam after transparent support board 23 cannot refract to the transmission region 2513 being positioned at keycap 251 corner effectively, it is to say, most light beam is the zone line being projected to keycap 251, therefore the service efficiency of light is comparatively not good.
Base this, in this preferred embodiment, transparent support board 23 has corresponding to multiple straight-down negative sides optical element 26 the multiple lens sections 234 integrally formed with transparent support board 23
Furthermore, by being specifically designed each lens section 234 (such as convexoconcave lens, but be not limited) shape and make each lens section 234 have lens function, in order to change the transmission path of the light beam through lens section 234, it is to say, enable to advance through the light beam of lens section 234 towards the direction of the transmission region 2513 of keycap 251.Certainly, above are only a kind of embodiment that the light beam enable through transparent support board 23 diffuses to the transmission region 2513 of keycap 251, and lens section 234 is not that the necessity limiting this case implements means, those skilled in the art can carry out any equivalent change design according to practical application request.
For example, referring to Fig. 6, it is that the one of the transmission region enabling the light beam through transparent support board to diffuse to keycap preferably implements conceptual schematic view.Fig. 6 illustrates to be additionally provided with multiple lenticular body 235 in transparent support board 23, therefore light beam is in being subsequently passed through lenticular body 235 after transparent support board 23, thereby change the transmission path of light beam, it is to say, enable to advance through the light beam of lenticular body 235 towards the direction of the transmission region 2513 of keycap 251.
Again for example, referring to Fig. 7, it is that another of the transmission region that enables the light beam through transparent support board to diffuse to keycap preferably implements conceptual schematic view.Fig. 7 illustrates have multiple micro structure 236 in transparent support board 23, and therefore light beam is in through the direction that can change traveling after multiple micro structures 273, say, that enable to advance through the light beam of micro structure 236 towards the direction of the transmission region 2513 of keycap 251.Supplementary notes, the micro structure 236 shown in Fig. 7 cuts (V-CUT) structure for V-arrangement, but is not limited, and if micro structure can be also texture patterning 237, it is as shown in Figure 8.Only, the various embodiments of the transmission region 2513 that the above-mentioned light beam enable through transparent support board 23 diffuses to keycap 251 are example purposes of discussion, and be not used to restriction the present invention scope.
Referring to Fig. 9, it is the illuminated keyboard of the present invention structural side view in the second preferred embodiment.Wherein, the illuminated keyboard 2A of this preferred embodiment is approximately similar to person described in this case the first preferred embodiment, is namely no longer repeated at this.And this preferred embodiment and aforementioned first preferred embodiment are different in that, illuminated keyboard 2A also includes metal base plate 28, it is arranged at the lower section of sensor circuit layer 24, prevents the interference on wantonly two adjacent capacitance key switch 2423 generation electric fields in order to provide a worn-out effect of screen.
Special instruction, the metal base plate 28 in the second preferred embodiment all by the enlightenment obtained in this second preferred embodiment, and can be applied in following each preferred embodiment by those skilled in the art.
Referring to Figure 10, it is the illuminated keyboard of the present invention structural side view in the 3rd preferred embodiment.Wherein, the illuminated keyboard 2B of this preferred embodiment is approximately similar to person described in this case the first preferred embodiment, is namely no longer repeated at this.And this preferred embodiment and aforementioned first preferred embodiment are different in that, this preferred embodiment substitutes the sensor circuit plate 241 in the first preferred embodiment with sensor film wiring board 244；Preferably, sensor film wiring board 244 made by polyethylene terephthalate (PET) material, Merlon (PC) material, thermoplastic polyurethanes (TPU) or acryl plastic cement (PMMA) material, but can be not limited.
Special instruction, the sensor film wiring board 244 in the 3rd preferred embodiment all by the enlightenment obtained in this 3rd preferred embodiment, and can be applied in above-mentioned and following each preferred embodiment by those skilled in the art.
Referring to Figure 11 and Figure 12, Figure 11 is the illuminated keyboard of the present invention structural side view in the 4th preferred embodiment, and Figure 12 is the structural representation of the sensor circuit layer of illuminated keyboard shown in Figure 11.Wherein, the illuminated keyboard 2C of this preferred embodiment is approximately similar to person described in this case the first preferred embodiment, is namely no longer repeated at this.And this preferred embodiment and aforementioned first preferred embodiment are different in that, light emitting element driving circuit pattern 221 is formed on sensor circuit plate 241, in detail, light emitting element driving circuit pattern 221 is formed at above or below sensor circuit pattern 242, and can coat or print a upper spacer portion (such as UV glue) between light emitting element driving circuit pattern 221 and sensor circuit pattern 242, make light emitting element driving circuit pattern 221 and the perpendicular interval of sensor circuit pattern 242.Therefore in this preferred embodiment, straight-down negative light-emitting component 26 is directly arranged on sensor circuit layer 24, say, that this preferred embodiment does not need the light emitting element driving circuit plate 22 in the first preferred embodiment, and sensor circuit layer 24C is without holes.
Special instruction, the interelement relativeness in the 4th preferred embodiment all by the enlightenment obtained in this 4th preferred embodiment, and can be applied in above-mentioned and following each preferred embodiment by those skilled in the art.
Referring to Figure 13, it is the illuminated keyboard of the present invention structural side view in the 5th preferred embodiment.Wherein, the illuminated keyboard 2D of this preferred embodiment is approximately similar to person described in this case the 4th preferred embodiment, is namely no longer repeated at this.And this preferred embodiment and aforementioned 4th preferred embodiment are different in that, this preferred embodiment substitutes the sensor circuit plate 241 in the 4th preferred embodiment with sensor film wiring board 245；Preferably, sensor film wiring board 245 made by polyethylene terephthalate (PET) material, Merlon (PC) material, thermoplastic polyurethanes (TPU) or acryl plastic cement (PMMA) material, but can be not limited.
Special instruction be, although the various embodiments described above being make keycap 251 and conductor 252 can move up and down relative to sensor circuit layer 24,24C by the collocation of transparent support board 23 and scissor connecting element 253, but this is only a kind of enforcement means making keycap 251 and conductor 252 move up and down relative to sensor circuit layer 24,24C, those skilled in the art can carry out any equivalent change design according to practical application request, and scissor connecting element 253 is not the necessary element limiting this case.
For example, refer to Figure 14 ~ Figure 17, Figure 14 is the illuminated keyboard of the present invention structural side view in the 6th preferred embodiment, Figure 15 is the perspective exploded view of the button of illuminated keyboard shown in Figure 14, Figure 16 is the button of illuminated keyboard view when not touched shown in Figure 14, and Figure 17 is the button of illuminated keyboard view when touched shown in Figure 14.Wherein, the illuminated keyboard 2E of this preferred embodiment be approximately similar to this case first preferably implement described in person, namely no longer repeated at this.
This preferred embodiment and aforementioned first preferred embodiment are different in that, illuminated keyboard 2E does not include scissor connecting element 253, and each button 29 has keycap 291, conductor 292, key frame 293 and multiple elastic arm 294, and each elastic arm 294 is flat rib-like, and includes the interior fixing arm 2941 outer movable arm 2942 vertical with interior fixing arm 2941 and be connected to the angle transition part 2943 between interior fixing arm 2941 and outer movable arm 2942；Wherein, it is chimeric in the inner for keycap 251 that key frame 293 has accommodating hole 2931, the fixing arm 2941 of each elastic arm 294 is fixed on the bottom of keycap 251, and the outer movable arm 2942 of each elastic arm 294 exposes from the bottom of keycap 251 and be fixed on key frame 293, and a part for the angle transition part 2943 of each elastic arm 294 is exposed from the exterior angle bottom keycap 251.
Furthermore, when arbitrary keycap 251 is not touched, the outer movable arm 2942 of each elastic arm 294 and angle transition part 2943 all do not deform, and it is as shown in figure 16；And when this arbitrary keycap 251 is touched, the angle transition part 2943 of each elastic arm 294 can be oppressed in exterior angle bottom keycap 251, all there is elastic deformation in the outer movable arm 2942 and the angle transition part 2943 that make each elastic arm 294, it is as shown in figure 17, and conductor 292 can be close towards sensor circuit layer 24 along with keycap 251, now corresponding capacitance key switch can be excited and make sensor circuit layer 24 produce the corresponding contactless push button signalling of output and (do not indicate capacitance key switch in figure, so its operating principle is as indicated in person described in the first preferred embodiment).Again, after this arbitrary keycap 251 is stopped and presses, each elastic arm 294 and corresponding light transmission elastic body 27 can provide elastic force, make this arbitrary keycap 251 set back.
Special instruction be, this preferred embodiment provides a kind of means that are embodied as not adopting scissor connecting element and make keycap and conductor can move up and down relative to sensor circuit layer, therefore can effectively make illuminated keyboard slimming more, so it is only a kind of embodiment, is not limited thereto.Again, the press-key structure in the 6th preferred embodiment all by the enlightenment obtained in this 6th preferred embodiment, and can be applied to aforementioned first preferred embodiment to the 5th preferred embodiment by those skilled in the art.
Again for example, referring to Figure 18, it is the perspective exploded view of the illuminated keyboard of the present invention button in the 7th preferred embodiment and transparent support board.Wherein, the illuminated keyboard of this preferred embodiment be approximately similar to this case first preferably implement described in person, namely no longer repeated at this.
This preferred embodiment and aforementioned first preferred embodiment are different in that, illuminated keyboard does not include scissor connecting element 253, and each button 25F also has the multiple elastic arms 254 between keycap 251 and transparent support board 23；Wherein, each elastic arm 254 includes fixing end 2541 and free end 2542, and the fixing end 2541 of each elastic arm 254 is connected to transparent support board 23, and the free end 2542 of each elastic arm 254 is then connected to the bottom of keycap 251.Furthermore, when arbitrary keycap 251 is touched, the free end 254 of each elastic arm 254 can be squeezed and along with keycap 251 moves down, and provide elastic force to give this arbitrary keycap 251, and this arbitrary keycap 251 is stopped after pressing, elastic force that this arbitrary keycap 251 then provides according to each elastic arm 254 and set back.
Special instruction, the press-key structure in the 7th preferred embodiment all by the enlightenment obtained in this 7th preferred embodiment, and can be applied to aforementioned first preferred embodiment to the 5th preferred embodiment by those skilled in the art.
Next referring to Figure 19, it is the illuminated keyboard of the present invention structural side view in the 8th preferred embodiment.Wherein, the illuminated keyboard 2G of this preferred embodiment be approximately similar to this case first preferably implement described in person, namely no longer repeated at this.This preferred embodiment and aforementioned first preferred embodiment are different in that, the outer surface of transparent support board 23 is also formed with shading element 20, such as black out ink, make the light beam that straight-down negative light-emitting component 26 provides cannot pass the region with shading element 20, and only have and be formed without the region of shading element 20 and pass through for light beam, so to prevent light beam that straight-down negative light-emitting component 26 provides from outbound flowing towards the direction in not light requirement source.In addition, although shading element 20 is formed at the outer surface of transparent support board 23 in this preferred embodiment, but this is only an embodiment, those skilled in the art can carry out any equivalent change design according to practical application request, is designed as, as changed, the inner surface that shading element is formed at transparent support board 23.
Special instruction be, those skilled in the art all can by the enlightenment obtained in this 8th preferred embodiment, and the shading element 20 in the 8th preferred embodiment is applied in aforementioned each preferred embodiment, that is, the surface of the transparent support board in aforementioned each preferred embodiment also can form shading element, to prevent light beam that straight-down negative light-emitting component 26 provides from outbound flowing towards the direction in not light requirement source.
According to description above, straight-down negative light-emitting component is directly arranged at the lower section of button by illuminated keyboard of the present invention design, and use the gripper shoe to connect button to adopt the design of printing opacity, the light beam of such carried light of straight-down negative light-emitting component directly in being projected to button after the gripper shoe of printing opacity, can effectively promote the service efficiency of light；In addition, owing to illuminated keyboard system of the present invention adopts the sensor circuit layer of noncontact sensing form, therefore the lower section that straight-down negative light-emitting component is directly arranged at button can't affect the running of sensor circuit layer, the keyboard simultaneously also improving existing noncontact sensing form does not have the defect of lighting function, the actually invention of a great industry applications.
The foregoing is only presently preferred embodiments of the present invention, be not limited to the claim of the present invention, therefore all other without departing from the equivalent change completed under disclosed spirit or modification, be intended to be limited solely by the claim of the present invention.
Claims (25)
1. an illuminated keyboard, including:
One sensor circuit layer, in order to produce at least one contactless push button signalling；
At least one button, in order to touched and make this sensor circuit layer produce this at least one contactless push button signalling；This at least one button includes:
One keycap, is revealed in the outside of this illuminated keyboard；
One conductor, is arranged between this keycap and this sensor circuit layer, and along with this keycap moves；
And
One connecting element；
Wherein, when this keycap is touched, this conductor makes this sensor circuit layer produce this at least one contactless push button signalling near this sensor circuit layer downwards；
At least one straight-down negative light-emitting component, is arranged at the lower section of this at least one button, in order to provide a light beam；
And
One transparent support board, it is arranged between this sensor circuit layer and this at least one button, with being connected in this transparent support board for this at least one button, this connecting element is then connected between this transparent support board and this keycap, and makes this keycap move up and down relative to this transparent support board；
Wherein, this light beam of this at least one straight-down negative light-emitting component is projected to this at least one button after this transparent support board.
2. illuminated keyboard as claimed in claim 1, wherein this sensor circuit layer includes a sensor circuit pattern and a sensor circuit plate, and this sensor circuit pattern is formed on this sensor circuit plate.
3. illuminated keyboard as claimed in claim 2, wherein this sensor circuit layer also includes a light emitting element driving circuit pattern, and this light emitting element driving circuit pattern is formed on this sensor circuit plate, in order to drive this at least one straight-down negative light-emitting component to provide this light beam.
4. illuminated keyboard as claimed in claim 2, also include a light emitting element driving circuit plate and a light emitting element driving circuit pattern, and this light emitting element driving circuit pattern is formed on this light emitting element driving circuit plate, in order to drive this at least one straight-down negative light-emitting component to provide this light beam；Wherein, this sensor circuit plate is between this light emitting element driving circuit plate and this at least one button.
5. illuminated keyboard as claimed in claim 4, wherein this sensor circuit layer has at least one circuit layer corresponding to this at least one straight-down negative light-emitting component and bores a hole.
6. illuminated keyboard as claimed in claim 2, wherein this sensor circuit pattern includes at least one first polar circuit pattern and at least one second polar circuit pattern, and when this sensor circuit layer is energized, this at least one first polar circuit pattern and produce an electric field between this at least one second polar circuit pattern；Wherein, when this at least one button touched and near this sensor circuit pattern time, this electric field produce change and make this sensor circuit layer produce this at least one contactless push button signalling.
7. illuminated keyboard as claimed in claim 1, wherein this sensor circuit layer includes a sensor circuit pattern and a sensor film wiring board, and this sensor circuit pattern is formed on this sensor film wiring board.
8. illuminated keyboard as claimed in claim 7, wherein this sensor circuit layer also includes a light emitting element driving circuit pattern, and this light emitting element driving circuit pattern system is formed on this sensor film wiring board, in order to drive this at least one straight-down negative light-emitting component to provide this light beam.
9. illuminated keyboard as claimed in claim 7, also include a light emitting element driving circuit plate and a light emitting element driving circuit pattern, and this light emitting element driving circuit pattern is formed on this light emitting element driving circuit plate, in order to drive this at least one straight-down negative light-emitting component to provide this light beam；Wherein, this sensor film wiring board is between this light emitting element driving circuit plate and this at least one button.
10. illuminated keyboard as claimed in claim 9, wherein this sensor circuit layer has at least one circuit layer corresponding to this at least one straight-down negative light-emitting component and bores a hole.
11. illuminated keyboard as claimed in claim 7, wherein this sensor film wiring board is made by polyethylene terephthalate material, Merlon material, thermoplastic polyurethanes or acryl plastic cement material.
12. illuminated keyboard as claimed in claim 7, wherein this sensor circuit pattern includes one first polar circuit pattern and one second polar circuit pattern, and when this sensor circuit layer is energized, this first polar circuit pattern and produce an electric field between this second polar circuit pattern；Wherein, when this at least one button touched and near this sensor circuit pattern time, this electric field produce change and make this sensor circuit layer produce this at least one Non-contact key switch signal.
13. illuminated keyboard as claimed in claim 1, wherein this conductor includes a conductive material, and this conductive material includes a conducting foam, a metal material or a metallic paint.
14. illuminated keyboard as claimed in claim 1, wherein this connecting element is a scissor connecting element.
15. illuminated keyboard as claimed in claim 1, wherein this at least one button also includes multiple elastic arm, in order to make this keycap move up and down relative to this sensor circuit layer；Wherein, each elastic arm includes a fixing end and is connected to this transparent support board and a free end is connected to this keycap.
16. illuminated keyboard as claimed in claim 1, wherein this at least one button also includes:
One key frame, has an accommodating hole, and this accommodating hole is embedded in this accommodating hole with for this keycap；
And
Multiple elastic arms, in order to make this keycap move up and down relative to this sensor circuit layer, each elastic arm includes fixing arm in, outer movable arm and one jiao of transition part, and this angle transition part is connected between this interior fixing arm and this outer movable arm.
17. illuminated keyboard as claimed in claim 1, wherein this transparent support board is formed with multiple micro structure, in order to change the direct of travel of this light beam through this transparent support board.
18. illuminated keyboard as claimed in claim 17, wherein any one in the plurality of micro structure is V-arrangement cutting structure or a texture structure.
19. illuminated keyboard as claimed in claim 1, this transparent support board is wherein provided with at least one lenticular body corresponding to this at least one light-emitting component, in order to change the transmission path of this light beam through this transparent support board.
20. illuminated keyboard as claimed in claim 1, wherein this transparent support board has at least one lens section corresponding to this at least one light-emitting component, in order to change the transmission path of this light beam through this transparent support board；Wherein, at least one lens section is integrally formed makes with this for this transparent support board.
21. illuminated keyboard as claimed in claim 1, also include a metal base plate, be arranged at below this sensor circuit layer.
22. illuminated keyboard as claimed in claim 1, wherein this at least one light-emitting component is a light emitting diode.
23. illuminated keyboard as claimed in claim 1, it it is a capacitor induction type illuminated keyboard.
24. illuminated keyboard as claimed in claim 1, also including a shading element, it is formed at the surface of this transparent support board.
25. illuminated keyboard as claimed in claim 24, wherein this shading element is a black out ink.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210483069.5A CN103839722B (en) | 2012-11-23 | 2012-11-23 | Illuminated keyboard |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210483069.5A CN103839722B (en) | 2012-11-23 | 2012-11-23 | Illuminated keyboard |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103839722A CN103839722A (en) | 2014-06-04 |
| CN103839722B true CN103839722B (en) | 2016-07-13 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210483069.5A Expired - Fee Related CN103839722B (en) | 2012-11-23 | 2012-11-23 | Illuminated keyboard |
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| Country | Link |
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| CN (1) | CN103839722B (en) |
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| CN103839722A (en) | 2014-06-04 |
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