CN103794165A - Touch screen realization method, device and system based on lattice flat display - Google Patents
Touch screen realization method, device and system based on lattice flat display Download PDFInfo
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- CN103794165A CN103794165A CN201110459542.1A CN201110459542A CN103794165A CN 103794165 A CN103794165 A CN 103794165A CN 201110459542 A CN201110459542 A CN 201110459542A CN 103794165 A CN103794165 A CN 103794165A
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Abstract
The invention provides a touch screen realization method, a device and a system based on a lattice flat display and aims to solve high manufacturing and maintenance cost of a touch screen in the prior art. The method comprises steps that: a lattice flat display screen is driven to generate a light signal used for transverse scanning and a light signal used for vertical scanning; a transverse position and a vertical position where the light signals are generated are determined according to the time when a touch device receives the light signal used for transverse scanning and the time when the touch device receives the light signal used for vertical scanning; an image displayed when the touch device contacts the flat display screen at a position is determined according to the transverse position and the vertical position of the flat display screen. The touch screen realization method facilitates to carry out touch positioning through utilizing light emitting characteristics of the lattice flat display screen, no extra touch positioning device is required, and the manufacturing and maintenance cost of the touch screen is saved.
Description
Technical field
The present invention relates to touch-screen field, relate in particular to a kind of touch-screen implementation method, device and system based on dot matrix flat-panel monitor.
Background technology
Common touch screen technology is divided into resistive touch screen, capacitive touch screen and infrared scan touch-screen from manufactured materials at present.
Resistive touch screen is mainly that main structure is to clip one deck PET film between two-layer nano indium tin oxide (ITO) coated glass, in the adjacent one side of film and glass, scribble ITO plated film, ITO has good electric conductivity and the transparency, glass provides mechanical stability, PET film serves as the flexible media that connects two-layer ITO, being imprinted on small separation on glass keeps apart each layer, in the time touching operation, the ITO of film lower floor touches the ITO on upper strata, spread out of corresponding electric signal via sensor, deliver to processor via change-over circuit, be converted into the coordinate figure of screen by computing.
Capacitive touch screen adopts the substrate of glass with zinc oxide coated layer.When electric conductivity felt pen or finger contact arrive screen surface, produce capacitive couplings, from touch point current drawn, touch screen controller is determined X coordinate and the Y coordinate of touch point accordingly.
Infrared scan touch-screen utilizes infrared transmitter and receiver, projects a sightless smooth grid on the segment distance from screen surface.In the time that light beam is blocked, the signal deletion on receiver is detected, and converts the coordinate of touch-screen to.
All touch positioning devices based on additional of existing touch-screen scheme, positioning precision and response speed are subject to the restriction of the performance of additional touch positioning device.Therefore improving touch screen performance needs constantly to increase the complicacy of touch positioning device, thus cause manufacturing and maintenance cost higher.
For the high problem of touch-screen manufacture and maintenance cost in prior art, also do not have prior art to propose effective solution.
Summary of the invention
Fundamental purpose of the present invention is to provide a kind of touch-screen implementation method, device and system based on dot matrix flat-panel monitor, to solve touch-screen manufacture and the high problem of maintenance cost in prior art.
To achieve these goals, according to an aspect of the present invention, provide a kind of touch-screen implementation method based on dot matrix panel display screen, it is characterized in that, comprise: step S11, drives dot matrix panel display screen to produce and be used for the light signal of transversal scanning and the light signal for transversal scanning; Step S13, receive the moment for the light signal of transversal scanning according to the touching device of contact panel display screen, determine the lateral attitude that produces the panel display screen of light signal in this moment, receive the moment for the light signal of longitudinal scanning according to the touching device of contact panel display screen, determine the lengthwise position that produces the panel display screen of light signal in this moment; Step S15, determines that according to the lengthwise position of the lateral attitude of the panel display screen of determining and panel display screen touching device contacts the image of the position display of panel display screen.
Further, step S11 shows the free time execution of image, the scan light signal that when shielding dot matrix panel display screen shows image, touching device receives at dot matrix panel display screen.
Further, step S13 comprises: obtain that the touching device of contact panel display screen receives for the light signal of transversal scanning or for longitudinal scanning light signal, and convert electric impulse signal by what receive to for the light signal of transversal scanning or for the light signal of longitudinal scanning; Determine that according to the moment that receives electric impulse signal this produces the lengthwise position that the lateral attitude of panel display screen of lateral light signal or this moment produce the panel display screen of longitudinal light signal in moment.
Further, after step S13, also comprise: according to the image of the position display of touching device contact panel display screen, respond the touch operation of this image.
Further, dot matrix panel display screen is plasma display panel (PDP), step S11 comprises: the scanning of controlling plasma panel maintains electrode and keeps negative level and make the addressing electrode of plasma panel produce successively high level simultaneously, produce the light signal for transversal scanning, then control addressing electrode and keep high level and make scan electrode produce successively negative level simultaneously, produce the light signal for longitudinal scanning; Or, the addressing electrode of controlling plasma panel keeps high level and makes the scanning of plasma panel maintain electrode simultaneously producing successively negative level, produce the light signal for longitudinal scanning, then gated sweep maintains electrode maintenance negative level and makes addressing electrode produce successively high level simultaneously, produces the light signal for transversal scanning; Step S13 comprises: receive the moment for the light signal of transversal scanning according to the touching device of contact plasma panel, determine the addressing electrode that produces high level in this moment, receive the moment for the light signal of longitudinal scanning according to the touching device of contact plasma panel, determine that producing low level scanning in this moment maintains electrode; S15 comprises: the position that maintains electrode and addressing electrode according to the scanning of determining show that touching device contacts the image of the position display of plasma panel.
According to another aspect of the present invention, a kind of touch-screen implement device based on dot matrix panel display screen is provided, this implement device, comprising: light signal generating module, for driving dot matrix panel display screen to produce for the light signal of transversal scanning with for the light signal of transversal scanning; Screen position determination module, for receiving the moment for the light signal of transversal scanning according to the touching device of contact panel display screen, determine the lateral attitude that produces the panel display screen of light signal in this moment, receive the moment for the light signal of longitudinal scanning according to the touching device of contact panel display screen, determine the lengthwise position that produces the panel display screen of light signal in this moment;
Image determination module, for showing that according to the lateral attitude of panel display screen and the lengthwise position of panel display screen determined touching device contacts the image of the position display of panel display screen.
Further, light signal generating module was carried out in the free time that shows image at dot matrix panel display screen, the scan light signal that screen position determination module also shows that for shielding dot matrix panel display screen touching device receives when image.
Further, screen position determination module also for: obtain that the touching device of contact panel display screen receives for the light signal of transversal scanning or for longitudinal scanning light signal, and convert electric impulse signal by what receive to for the light signal of transversal scanning or for the light signal of longitudinal scanning; Determine that according to the moment that receives electric impulse signal this produces the lengthwise position that the lateral attitude of panel display screen of lateral light signal or this moment produce the panel display screen of longitudinal light signal in moment.
Further, the touch-screen implement device based on dot matrix panel display screen provided by the invention also comprises: operation respond module, for according to the image of the position display of touching device contact panel display screen, responds the touch operation of this image.
Further, dot matrix panel display screen is plasma display panel (PDP), light signal generating module, maintain electrode maintenance negative level and make the addressing electrode of plasma panel produce successively high level simultaneously for controlling the scanning of plasma panel, produce the light signal for transversal scanning, then control addressing electrode and keep high level and make scan electrode produce successively negative level simultaneously, produce the light signal for longitudinal scanning; Or, the addressing electrode of controlling plasma panel keeps high level and makes the scanning of plasma panel maintain electrode simultaneously producing successively negative level, produce the light signal for longitudinal scanning, then gated sweep maintains electrode maintenance negative level and makes addressing electrode produce successively high level simultaneously, produces the light signal for transversal scanning; Screen position determination module, for receiving the moment for the light signal of transversal scanning according to the touching device of contact plasma panel, determine the addressing electrode that produces high level in this moment, receive the moment for the light signal of longitudinal scanning according to the touching device of contact plasma panel, determine that producing low level scanning in this moment maintains electrode; Picture position determination module, the position that maintains electrode and addressing electrode according to the scanning of determining show that touching device contacts the image of the position display of plasma panel.
According to another aspect of the present invention, provide a kind of touch-screen based on dot matrix panel display screen to realize system, this is realized system and comprises: controller, for driving dot matrix panel display screen to produce the light signal for transversal scanning, then produces the light signal for longitudinal scanning; Or drive dot matrix panel display screen to produce the light signal for longitudinal scanning, then produce the light signal for transversal scanning; Receive the moment for the light signal of transversal scanning according to the touching device of contact panel display screen, determine the lateral attitude that produces the panel display screen of light signal in this moment, receive the moment for the light signal of longitudinal scanning according to the touching device of contact panel display screen, determine the lengthwise position that produces the panel display screen of light signal in this moment; Show that according to the lengthwise position of the lateral attitude of the panel display screen of determining and panel display screen touching device contacts the image of panel display screen position display.Dot matrix panel display screen, produces and is used for the light signal of longitudinal scanning and the light signal for longitudinal scanning for the control according to controller; Touching device, the position of the dot matrix panel display screen of clicking for contact need, receives and is used for the light signal of longitudinal scanning and the light signal for longitudinal scanning, and convert electric impulse signal to by the light signal for longitudinal scanning with for the light signal of longitudinal scanning.
Further, touching device comprises: optical pickup apparatus, for receiving for the light signal of transversal scanning with for the light signal of longitudinal scanning; Photoelectric conversion device, connects optical pickup apparatus, for converting current signal to by the light signal for transversal scanning with for the light signal of longitudinal scanning; Amplifier, connects photoelectric conversion device, for current signal is amplified; Pulse signal reshaper, connects amplifier, for the current signal after amplifying being converted to the location electric impulse signal of electric pulse form.
Further, touching device also comprises trigger switch, and when touching device touches dot matrix panel display screen, trigger switch is opened, touching device work; When touching device does not contact dot matrix panel display screen, trigger switch turn-offs, touching device standby.
Further, the light signal that controller also shows that for shielding dot matrix panel display screen touching device receives when image.
Further, the touch-screen based on dot matrix panel display screen provided by the invention is realized system and is also comprised: signal transmitting apparatus, sends controller to for the electric impulse signal that touching device is produced.
Further, dot matrix panel display screen is plasma display panel (PDP).
According to technical scheme of the present invention, drive dot matrix panel display screen to produce the light signal for transversal scanning, then produce the light signal for longitudinal scanning; Or drive dot matrix panel display screen to produce the light signal for longitudinal scanning, then produce the light signal for transversal scanning; Receive the moment for the light signal of transversal scanning according to the touching device of contact panel display screen, determine the lateral attitude that produces the panel display screen of light signal in this moment, receive the moment for the light signal of longitudinal scanning according to the touching device of contact panel display screen, determine the lengthwise position that produces the panel display screen of light signal in this moment; Determine that according to the lengthwise position of the lateral attitude of the panel display screen of determining and panel display screen touching device contacts the image of the position display of panel display screen.Utilize the characteristics of luminescence of the panel display screen of dot matrix to touch location, do not need to increase extra touch positioning device, thereby manufacture and the maintenance cost of touch-screen are saved, utilize in addition the high resolving power of panel display screen and high refreshing frequency to improve positioning precision and the response speed of touching device, locating effect is better than existing touch screen technology.
Accompanying drawing explanation
Figure of description is used to provide a further understanding of the present invention, forms the application's a part, and schematic description and description of the present invention is used for explaining the present invention, does not form inappropriate limitation of the present invention.In the accompanying drawings:
Fig. 1 is according to the schematic diagram of the touch-screen implementation method based on dot matrix panel display screen of the embodiment of the present invention;
Fig. 2 is according to the schematic diagram of the plasma display screen electrode control of the touch-screen implementation method based on dot matrix panel display screen of the embodiment of the present invention;
Fig. 3 is according to the schematic diagram of the plasma panel drive waveforms of the touch-screen implementation method based on dot matrix panel display screen of the embodiment of the present invention;
Fig. 4 is according to the schematic diagram of the touch-screen implement device based on dot matrix panel display screen of the embodiment of the present invention;
Fig. 5 is the schematic diagram of realizing system according to the touch-screen based on dot matrix panel display screen of the embodiment of the present invention;
Fig. 6 is the schematic diagram of realizing the touching device of system according to the touch-screen based on dot matrix panel display screen of the embodiment of the present invention.
Embodiment
It should be noted that, in the situation that not conflicting, the feature in embodiment and embodiment in the application can combine mutually.Describe below with reference to the accompanying drawings and in conjunction with the embodiments the present invention in detail.
Fig. 1 is that as shown in Figure 1, the method mainly comprises the steps: according to the schematic diagram of the touch-screen implementation method based on dot matrix panel display screen of the embodiment of the present invention
Step S11: drive dot matrix panel display screen to produce and be used for the light signal of transversal scanning and the light signal for transversal scanning;
Step S13: receive the moment for the light signal of transversal scanning according to the touching device of contact panel display screen, determine the lateral attitude that produces the panel display screen of light signal in this moment, receive the moment for the light signal of longitudinal scanning according to the touching device of contact panel display screen, determine the lengthwise position that produces the panel display screen of light signal in this moment;
Step S15: determine that according to the lengthwise position of the lateral attitude of the panel display screen of determining and panel display screen touching device contacts the image of the position display of panel display screen.
When dot matrix flat-panel monitor shows image, every frame shows that the time of image all exists certain free time, the implementation method of the present embodiment is utilized the vacant time execution step S11 of every frame, the scan light signal that when shielding dot matrix panel display screen shows image, touching device receives.
Step S13 can comprise: obtain that the touching device of contact panel display screen receives for the light signal of transversal scanning or for longitudinal scanning light signal, and convert electric impulse signal by what receive to for the light signal of transversal scanning or for the light signal of longitudinal scanning; Determine that according to the moment that receives electric impulse signal this produces the lengthwise position that the lateral attitude of panel display screen of lateral light signal or this moment produce the panel display screen of longitudinal light signal in moment.
After step S13, can also comprise: according to the image of the position display of touching device contact panel display screen, respond the touch operation of this image.This touch operation can be the person's handwriting that shows that touching device slides, and can be also the order of clicking menu, and concrete application need to be determined according to the content of real image.
Dot matrix panel display screen can be that plasma display panel (PDP) can be also all panel display screens of dot matrix such as LCD or OLED.To have discharge space between the forward and backward panel glass of PDP for the principle of luminosity of color plasma display (PDP), in in this discharge space, be filled with Penning gas, the vacuum ultraviolet phot-luminescence producing by Penning gas glow discharge causes light-emitting phosphor and realizes colored demonstration.The vacuum ultraviolet luminous energy that 147nm and 174nm are sent in Penning gas glow discharge is large, and luminous intensity is high, so PDP generally selects the mixed gas of Ne and Xe to excite red, green, blue light-emitting phosphor, realizes colored demonstration.In the addressing process of PDP, in addressing process, the fluorescence that the unit being addressed to has a burst of ultraviolel sends the visible ray of 400-780nm.
Plasma display screen, step S11 comprises: the scanning of controlling plasma panel maintains electrode and keeps negative level and make the addressing electrode of plasma panel produce successively high level simultaneously, produce the light signal for transversal scanning, then control addressing electrode and keep high level and make scan electrode produce successively negative level simultaneously, produce the light signal for longitudinal scanning; Or, the addressing electrode of controlling plasma panel keeps high level and makes the scanning of plasma panel maintain electrode simultaneously producing successively negative level, produce the light signal for longitudinal scanning, then gated sweep maintains electrode maintenance negative level and makes addressing electrode produce successively high level simultaneously, produces the light signal for transversal scanning; Step S13 comprises: receive the moment for the light signal of transversal scanning according to the touching device of contact plasma panel, determine the addressing electrode that produces high level in this moment, receive the moment for the light signal of longitudinal scanning according to the touching device of contact plasma panel, determine that producing low level scanning in this moment maintains electrode; S15 comprises: the position that maintains electrode and addressing electrode according to the scanning of determining show that touching device contacts the image of the position display of plasma panel.
Article on plasma display screen, step S11 increases by two location waveforms in the addressing of plasma panel separates (ADS) driving method with demonstration, produces the addressing process of two subfields in these two location waveforms.First subfield is that addressing electrode (A electrode) keeps high level, and scanning maintains electrode (Y electrode) and produces successively negative level, and second subfield is that Y electrode keeps negative level and makes A electrode produce successively high level simultaneously.
Fig. 2 is according to the schematic diagram of the plasma display screen electrode control of the touch-screen implementation method based on dot matrix panel display screen of the embodiment of the present invention, as shown in Figure 2, in the time producing positive pressure differential between A electrode and Y electrode, the unit of this A electrode and Y electrode crossings will produce light signal, so above-mentioned the first subfield will excite the light signal of longitudinal scanning on PDP, and above-mentioned the second subfield can excite the light signal of transversal scanning on PDP.Two above-mentioned two subfield generations orders can be selected arbitrarily, both can first carry out transversal scanning and carry out longitudinal scanning, also can first carry out longitudinal scanning and carry out transversal scanning again.
Fig. 3 is according to the schematic diagram of the plasma panel drive waveforms of the touch-screen implementation method based on dot matrix panel display screen of the embodiment of the present invention, as shown in Figure 3, the process that produces location waveform 302 drive electrodes can be carried out in 31 free times of display waveform take 30 of field synchronizations as the ADS of benchmark, this free time can be chosen in display waveform 31 before, also can be chosen in display waveform 31 after, also can in display waveform 31, adulterate location waveform 32.Transversal scanning and longitudinal scanning both can complete in one, can in two or many, complete respectively according to actual needs.
Fig. 4 is according to the schematic diagram of the touch-screen implement device based on dot matrix panel display screen of the embodiment of the present invention, as shown in Figure 4, this implement device comprises: light signal generating module 41, for driving dot matrix panel display screen to produce for the light signal of transversal scanning with for the light signal of transversal scanning; Screen position determination module 43, for receiving the moment for the light signal of transversal scanning according to the touching device of contact panel display screen, determine the lateral attitude that produces the panel display screen of light signal in this moment, receive the moment for the light signal of longitudinal scanning according to the touching device of contact panel display screen, determine the lengthwise position that produces the panel display screen of light signal in this moment; Image determination module 45, for showing that according to the lateral attitude of panel display screen and the lengthwise position of panel display screen determined touching device contacts the image of the position display of panel display screen.
Light signal generating module 41 can show at dot matrix panel display screen the free time execution of image, the scan light signal that when screen position determination module 43 can also be used for shielding dot matrix panel display screen demonstration image, touching device receives.
Screen position determination module 43 can also be used for: obtain that the touching device of contact panel display screen receives for the light signal of transversal scanning or for longitudinal scanning light signal, and convert electric impulse signal by what receive to for the light signal of transversal scanning or for the light signal of longitudinal scanning; Determine that according to the moment that receives electric impulse signal this produces the lengthwise position that the lateral attitude of panel display screen of lateral light signal or this moment produce the panel display screen of longitudinal light signal in moment.
The implement device that the present embodiment provides can also comprise: operation respond module (not shown), for according to the image of the position display of touching device contact panel display screen, responds the touch operation of this image.
Dot matrix panel display screen can be to be plasma display panel (PDP), can be also all panel display screens of dot matrix such as LCD or OLED.Article on plasma display screen, light signal generating module 41, maintain electrode maintenance negative level and make the addressing electrode of plasma panel produce successively high level simultaneously for controlling the scanning of plasma panel, produce the light signal for transversal scanning, then control addressing electrode and keep high level and make scan electrode produce successively negative level simultaneously, produce the light signal for longitudinal scanning; Or, the addressing electrode of controlling plasma panel keeps high level and makes the scanning of plasma panel maintain electrode simultaneously producing successively negative level, produce the light signal for longitudinal scanning, then gated sweep maintains electrode maintenance negative level and makes addressing electrode produce successively high level simultaneously, produces the light signal for transversal scanning; Screen position determination module 43, for receiving the moment for the light signal of transversal scanning according to the touching device of contact plasma panel, determine the addressing electrode that produces high level in this moment, receive the moment for the light signal of longitudinal scanning according to the touching device of contact plasma panel, determine that producing low level scanning in this moment maintains electrode; Picture position determination module 45, show that for the position that maintains electrode and addressing electrode according to the scanning of determining touching device contacts the image of the position display of plasma panel.
Fig. 5 is the schematic diagram of realizing system according to the touch-screen based on dot matrix panel display screen of the embodiment of the present invention, as shown in Figure 5, this is realized system and comprises: controller 55, for driving dot matrix panel display screen 51 to produce the light signal for transversal scanning, then produce the light signal for longitudinal scanning; Or the light signal that drives dot matrix panel display screen 51 to produce for longitudinal scanning, then produces the light signal for transversal scanning; Receive the moment for the light signal of transversal scanning according to the touching device 53 of contact panel display screen 51, determine the lateral attitude that produces the panel display screen 51 of light signal in this moment, receive the moment for the light signal of longitudinal scanning according to the touching device 53 of contact panel display screen 51, determine the lengthwise position that produces the panel display screen 51 of light signal in this moment; Show that according to the lateral attitude of the panel display screen 51 of determining and the lengthwise position of panel display screen 51 touching device 53 contacts the image of panel display screen 51 position display.Dot matrix panel display screen 51, produces and is used for the light signal of longitudinal scanning and the light signal for longitudinal scanning for the control according to controller 55; Touching device 53, the position of the dot matrix panel display screen 51 of clicking for contact need, receive and be used for the light signal of longitudinal scanning and the light signal for longitudinal scanning, and convert electric impulse signal to by the light signal for longitudinal scanning with for the light signal of longitudinal scanning.
Fig. 6 is the schematic diagram of realizing the touching device of system according to the touch-screen based on dot matrix panel display screen of the embodiment of the present invention, as shown in Figure 6, touching device 53 comprises: optical pickup apparatus 61, for receiving for the light signal of transversal scanning with for the light signal of longitudinal scanning; Photoelectric conversion device 62, connects optical pickup apparatus 61, for converting current signal to by the light signal for transversal scanning with for the light signal of longitudinal scanning; Amplifier 63, connects photoelectric conversion device 62, for current signal is amplified; Pulse signal reshaper 64, connects amplifier 63, for the current signal after amplifying being converted to the location electric impulse signal of electric pulse form.The shape of touching device 53 can be made the shape of the suitable touch screen such as the form of a stroke or a combination of strokes, bar-shaped, strip.
The processing procedure of location light signal in touching device 53 is: optical pickup apparatus 61 receives light signal, and photoelectric conversion device 62 converts this light signal to current signal.Due to this light signal itself very a little less than, after conversion, need by electric current be amplified to microampere or milliampere level process.Current signal after amplifier 63 amplifies converts an electric impulse signal in pulse signal reshaper 64.Controller 55 receives the laggard line position judgement of this electric impulse signal.
Because general light exists and disturbs the optical pickup apparatus 61 of touching device 53, in touching device, trigger switch (not shown) can also be set, when touching device 53 touches dot matrix panel display screen 51, trigger switch is opened, and touching device 53 is worked; When touching device 53 does not contact dot matrix panel display screen 51, trigger switch turn-offs, touching device 53 standbies.This trigger switch can be manually to stir, and also can be arranged to written pressure triggering, felt pen work after this switching toggle, and this has just guaranteed that daily illumination can not affect the use of felt pen, just can receive visible ray while only use on screen
The light signal that when controller 55 can also be used for shielding dot matrix panel display screen demonstration image, touching device receives.
Touch-screen based on dot matrix panel display screen provided by the invention is realized system and can also be comprised: signal transmitting apparatus (not shown), sends controller 55 to for the electric impulse signal that touching device 53 is produced.This signal transmitting apparatus can adopt wired mode also can adopt wireless mode to transmit.
Dot matrix panel display screen can be plasma display panel (PDP) (PDP), can be also all panel display screens of dot matrix such as LCD or OLED.Plasma display screen, touching device 53 touches after PDP display screen 51, receive the light signal that controller 55 drives A electrode and Y electrode to produce, after converting this light signal to electric impulse signal, send back controller 55, controller 55 determines that according to the time that receives electric impulse signal this moment sends A electrode or the Y electrode of sweep signal, touches the position of the display unit of PDP display screen according to the location positioning touching device 53 of determining electrode.This position can be by the formal description of coordinate, take the lower left corner of PDP display screen as true origin, the corresponding rounded coordinate value of each display unit, PDP shows that the point of the image of screen display also can be to data that should two-dimensional coordinate, thereby can determine the accurate location of touching device click image, controller 55 operation according to the position response touching device of image.
The touch-screen based on dot matrix panel display screen of the present embodiment is realized system and is used PDP display screen concrete workflow to be: when 53 of touching devices are during to certain image pixel on PDP display screen, trigger switch is opened under external force, image advanced every trade addressing under field sync signal effect detects, touching device 53 is received first visible light signal (transversal scanning light signal), after this signal is exaggerated, converting electric signal to delivers on controller 55 by transmitting device, this signal is exaggerated and is shaped to electric impulse signal, by counter, horizontal addressing pulse signal location is counted to get to corresponding lateral attitude coordinate again.In like manner, image carries out longitudinal addressing detection, touching device 55 receives second visible light signal (lengthwise position light signal), after this signal is exaggerated, convert electric signal to and deliver to shaping amplification formation electric impulse signal on controller 55 by transmitting device, then by counter, row addressing pulse signal is counted to get to corresponding column position coordinate.After arranging, two position coordinateses carry out framing confirmation.Now, the photoelectricity receiving function conductively-closed of touching device 55, PDP carries out a normal two field picture and shows.
Whole location positioning procedure is less than 16.6ms, and does not affect normal image display function in location.In addition, location can concentrate on a display pixel or carry out a viewing area, and precision is determined by the receiver hole of touching device 53.In the process of sliding continuously at touching device 53, whole position fixing process can every once constantly records touching device 53 positions, form continuous coordinate figure storage and be superimposed upon on original image, the positional information (no matter being static or dynamic) of earlier stored will be preserved after 5s to 10s by new information substitution, thereby forms mobile person's handwriting.
According to technical scheme of the present invention, drive dot matrix panel display screen to produce the light signal for transversal scanning, then produce the light signal for longitudinal scanning; Or drive dot matrix panel display screen to produce the light signal for longitudinal scanning, then produce the light signal for transversal scanning; Receive the moment for the light signal of transversal scanning according to the touching device of contact panel display screen, determine the lateral attitude that produces the panel display screen of light signal in this moment, receive the moment for the light signal of longitudinal scanning according to the touching device of contact panel display screen, determine the lengthwise position that produces the panel display screen of light signal in this moment; Determine that according to the lengthwise position of the lateral attitude of the panel display screen of determining and panel display screen touching device contacts the image of the position display of panel display screen.Utilize the characteristics of luminescence of the panel display screen of dot matrix to touch location, do not need to increase extra touch positioning device, thereby manufacture and the maintenance cost of touch-screen are saved, utilize in addition the high resolving power of panel display screen and high refreshing frequency to improve positioning precision and the response speed of touching device, locating effect is better than existing touch screen technology.
Obviously, those skilled in the art should be understood that, above-mentioned of the present invention each module or each step can realize with general calculation element, they can concentrate on single calculation element, or be distributed on the network that multiple calculation elements form, alternatively, they can be realized with the executable program code of calculation element, thereby, they can be stored in memory storage and be carried out by calculation element, or they are made into respectively to each integrated circuit modules, or the multiple modules in them or step are made into single integrated circuit module to be realized.Like this, the present invention is not restricted to any specific hardware and software combination.
The foregoing is only the preferred embodiments of the present invention, be not limited to the present invention, for a person skilled in the art, the present invention can have various modifications and variations.Within the spirit and principles in the present invention all, any modification of doing, be equal to replacement, improvement etc., within all should being included in protection scope of the present invention.
Claims (16)
1. the touch-screen implementation method based on dot matrix panel display screen, is characterized in that, comprising:
Step S11, drives dot matrix panel display screen to produce and is used for the light signal of transversal scanning and the light signal for longitudinal scanning;
Step S13, receive the moment of the described light signal for transversal scanning according to the touching device of the described panel display screen of contact, determine the lateral attitude that produces the described panel display screen of light signal in this moment, receive the moment of the described light signal for longitudinal scanning according to the touching device of the described panel display screen of contact, determine the lengthwise position that produces the described panel display screen of light signal in this moment;
Step S15, determines that according to the lengthwise position of the lateral attitude of the described panel display screen of determining and described panel display screen described touching device contacts the image of the position display of described panel display screen.
2. implementation method according to claim 1, is characterized in that, described step S11 shows the free time execution of image, the scan light signal that while shielding described dot matrix panel display screen demonstration image, touching device receives at described dot matrix panel display screen.
3. implementation method according to claim 1, is characterized in that, described step S13 comprises:
Obtain contact described panel display screen touching device receive for the light signal of transversal scanning or for longitudinal scanning light signal, and by described receive convert electric impulse signal to for the light signal of transversal scanning or for the light signal of longitudinal scanning;
Determine that according to the moment that receives described electric impulse signal this produces the lengthwise position that the lateral attitude of described panel display screen of lateral light signal or this moment produce the described panel display screen of longitudinal light signal in moment.
4. implementation method according to claim 1, is characterized in that, after described step S13, also comprises: contact the image of the position display of described panel display screen according to described touching device, respond the touch operation of this image.
5. according to the implementation method described in any one in claim 1 to 4, it is characterized in that, described dot matrix panel display screen is plasma display panel (PDP),
Described step S11 comprises: the scanning of controlling described plasma panel maintains electrode and keeps negative level and make the addressing electrode of described plasma panel produce successively high level simultaneously, produce the light signal for transversal scanning, then control described addressing electrode and keep high level and make described scan electrode produce successively negative level simultaneously, produce the light signal for longitudinal scanning; Or, the addressing electrode of controlling described plasma panel keeps high level and makes the scanning of described plasma panel maintain electrode simultaneously producing successively negative level, produce the light signal for longitudinal scanning, then control described scanning and maintain electrode maintenance negative level and make described addressing electrode produce successively high level simultaneously, produce the light signal for transversal scanning;
Described step S13 comprises: the moment that receives the described light signal for transversal scanning according to the touching device of the described plasma panel of contact, determine the addressing electrode that produces high level in this moment, receive the moment of the described light signal for longitudinal scanning according to the touching device of the described plasma panel of contact, determine that producing low level scanning in this moment maintains electrode;
S15 comprises: the position that maintains electrode and described addressing electrode according to the described scanning of determining show that described touching device contacts the image of the position display of described plasma panel.
6. the touch-screen implement device based on dot matrix panel display screen, is characterized in that, comprising:
Light signal generating module, for driving dot matrix panel display screen to produce the light signal for longitudinal scanning for the light signal of transversal scanning;
Screen position determination module, for receive the moment of the described light signal for transversal scanning according to the touching device of the described panel display screen of contact, determine the lateral attitude that produces the described panel display screen of light signal in this moment, receive the moment of the described light signal for longitudinal scanning according to the touching device of the described panel display screen of contact, determine the lengthwise position that produces the described panel display screen of light signal in this moment;
Image determination module, for showing that according to the lateral attitude of described panel display screen and the lengthwise position of described panel display screen determined described touching device contacts the image of the position display of described panel display screen.
7. implement device according to claim 6, it is characterized in that, described light signal generating module shows that at described dot matrix panel display screen the free time of image carries out, described screen position determination module also when shielding described dot matrix panel display screen and show image described in the scan light signal that receives of touching device.
8. implement device according to claim 6, is characterized in that, described screen position determination module also for:
Obtain contact described panel display screen touching device receive for the light signal of transversal scanning or for longitudinal scanning light signal, and by described receive convert electric impulse signal to for the light signal of transversal scanning or for the light signal of longitudinal scanning;
Determine that according to the moment that receives described electric impulse signal this produces the lengthwise position that the lateral attitude of described panel display screen of lateral light signal or this moment produce the described panel display screen of longitudinal light signal in moment.
9. implement device according to claim 6, is characterized in that, also comprises: operation respond module, for contact the image of the position display of described panel display screen according to described touching device, responds the touch operation of this image.
10. according to the implement device described in any one in claim 6 to 9, it is characterized in that,
Described dot matrix panel display screen is plasma display panel (PDP);
Described light signal generating module, maintain electrode maintenance negative level and make the addressing electrode of described plasma panel produce successively high level simultaneously for controlling the scanning of plasma panel, produce the light signal for transversal scanning, then control described addressing electrode and keep high level and make described scan electrode produce successively negative level simultaneously, produce the light signal for longitudinal scanning; Or, the addressing electrode of controlling plasma panel keeps high level and makes the scanning of described plasma panel maintain electrode simultaneously producing successively negative level, produce the light signal for longitudinal scanning, then control described scanning and maintain electrode maintenance negative level and make described addressing electrode produce successively high level simultaneously, produce the light signal for transversal scanning;
Described screen position determination module, for receive the moment of the described light signal for transversal scanning according to the touching device of the described plasma panel of contact, determine the addressing electrode that produces high level in this moment, receive the moment of the described light signal for longitudinal scanning according to the touching device of the described plasma panel of contact, determine that producing low level scanning in this moment maintains electrode;
Described picture position determination module, show that for the position that maintains electrode and described addressing electrode according to the described scanning of determining described touching device contacts the image of the position display of described plasma panel.
11. 1 kinds of touch-screens based on dot matrix panel display screen are realized system, it is characterized in that, comprising:
Controller, for driving dot matrix panel display screen to produce the light signal for transversal scanning, then produces the light signal for longitudinal scanning; Or drive dot matrix panel display screen to produce the light signal for longitudinal scanning, then produce the light signal for transversal scanning; Receive the moment of the described light signal for transversal scanning according to the touching device of the described panel display screen of contact, determine the lateral attitude that produces the described panel display screen of light signal in this moment, receive the moment of the described light signal for longitudinal scanning according to the touching device of the described panel display screen of contact, determine the lengthwise position that produces the described panel display screen of light signal in this moment; Show that according to the lengthwise position of the lateral attitude of the described panel display screen of determining and described panel display screen described touching device contacts the image of described panel display screen position display.
Dot matrix panel display screen, produces and is used for the light signal of longitudinal scanning and the light signal for longitudinal scanning for the control according to described controller;
Touching device, the position of the described dot matrix panel display screen of clicking for contact need, receive and be used for the light signal of longitudinal scanning and the light signal for longitudinal scanning, and convert electric impulse signal by described to for the light signal of longitudinal scanning with for the light signal of longitudinal scanning.
12. systems that realize according to claim 11, is characterized in that, described touching device comprises:
Optical pickup apparatus, for receiving for the light signal of transversal scanning with for the light signal of longitudinal scanning;
Photoelectric conversion device, connects described optical pickup apparatus, for converting current signal by described to for the light signal of transversal scanning with for the light signal of longitudinal scanning;
Amplifier, connects described photoelectric conversion device, for described current signal is amplified;
Pulse signal reshaper, connects described amplifier, for the current signal after amplifying being converted to the location electric impulse signal of electric pulse form.
13. systems that realize according to claim 12, is characterized in that, described touching device also comprises: trigger switch, and when described touching device touches described dot matrix panel display screen, described trigger switch is opened, described touching device work;
When described touching device does not contact described dot matrix panel display screen, described trigger switch turn-offs, described touching device standby.
14. systems that realize according to claim 11, is characterized in that, described controller also when shielding described dot matrix panel display screen and show image described in the light signal that receives of touching device.
15. according to claim 11 to the system that realizes described in any one in 14, it is characterized in that, also comprises: signal transmitting apparatus, sends described controller to for the described electric impulse signal that described touching device is produced.
16. according to claim 11 to the system that realizes described in any one in 14, it is characterized in that, described dot matrix panel display screen is plasma display panel (PDP).
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| CN201110459542.1A CN103794165A (en) | 2011-12-31 | 2011-12-31 | Touch screen realization method, device and system based on lattice flat display |
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| CN201110459542.1A CN103794165A (en) | 2011-12-31 | 2011-12-31 | Touch screen realization method, device and system based on lattice flat display |
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| CN103794165A true CN103794165A (en) | 2014-05-14 |
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Application publication date: 20140514 |