CN100462753C

CN100462753C - Optical fiber end pantoscopic visualization device of optical fiber display

Info

Publication number: CN100462753C
Application number: CNB021342296A
Authority: CN
Inventors: 范文钦
Original assignee: Individual
Current assignee: Individual
Priority date: 2002-06-24
Filing date: 2002-06-24
Publication date: 2009-02-18
Anticipated expiration: 2022-06-24
Also published as: CN1464313A

Abstract

The present invention is fiber tip wide-angle display includes at least one light conducting plate, which is set in the fiber tips and made of transparent material, and floating convex pieces, each of which corresponds to one fiber tip for wide-angle display of the light from corresponding fiber. The present invention can expand the visual angle of the fiber display and makes the fiber display screen more perfect.

Description

The end pantoscopic visualization device of optical fiber of optical fiber displays

Technical field

The present invention relates to a kind of structure parts of light guide, particularly a kind of fibre-optic device that is used to transmit image is the structure parts of optical fiber displays.

Background technology

Introduced to the market rapidly after optical fiber displays occurs and since its applicable to the display screen of big specification, can reach traditional C RT the effect that can't reach, so obtain liking and favorable comment of all multi-users deeply.

Chinese patent 97243700.2 discloses a kind of optical fiber displays, ask as Fig. 1, " projector, a catoptron, a fibre bundle head are set in the casing; it is with a bunchy optical fiber end wherein; be glued at same plane, and enlarge shape and pass to extend by the other end of bunchy optical fiber with arrangement mode the most closely; One video boards 4, it is according to the arrangement mode of optical fiber f at the fibre bundle head, amplify in proportion and be provided with the equidistant perforation 41 with quantity with optical fiber f, each perforating 41 wears for the optical fiber f end that the fibre bundle head is extended, front surface coated one black or the dark outer covering layer 42 of video boards 4, it makes the image bang path fully with optical fiber processing, and attenuation degree is reduced to minimum in the image transmittance process.

After aforesaid optical fiber displays technology occurs, be difficult for the large scale display screen made because can be made into than traditional C RT, and the low and tool market competitiveness of production cost; General more complete color saturation and the resolution of light-emitting diode display can be provided again, also need not to expend a large amount of electric power in use, and the cost of its maintenance is quite low, so become projecting television set or its true tool progressive and practicality be provided as advertisement plate as outdoor display by the exploitation of considerable manufacturer.

Though aforesaid optical fiber displays provides the user a splendid selection, but with regard to the professional technique angle, the problem that still exists some to overcome, wherein the most tangible problem is that promptly the visible angle of this display is quite limited, with the structure shown in Fig. 1, the end of each root optical fiber f is located in the perforation 41 of video boards 4, the end face of each optical fiber f and video boards 4 outside surfaces are at grade, when image light that projector projects through optical fiber f conduction back during by its end face derivation, be limited in the restriction of the material refractive index of optical fiber f own, with and end face be the structural restriction on plane, make that the angle of visibility of this kind display is quite narrow, the necessity that is improved is obviously arranged.

In addition, perforation 41 density that are provided with on video boards 4 have certain restriction, each perforation can not be leaned on too near, so must stay the gap of certain distance between the end of each root optical fiber f of this kind display, make the visual effect of display frame lack perfection, this also has the leeway of reinforcement.

Summary of the invention

The purpose of this invention is to provide a kind ofly provides the light refraction effect by the transparent light guide plate that is arranged on optical fiber connector, and then the effect that provides wide-angle to disperse, promoting the display screen visible angle of optical fiber displays, and allow the more perfect end pantoscopic visualization device of optical fiber of display screen picture of optical fiber displays.

To achieve the above object, technical scheme of the present invention is as follows:

A kind of end pantoscopic visualization device of optical fiber of optical fiber displays, at least comprise a light guide plate that is installed in optical fiber connector, makes by transparent material, optical fiber connector is contained in the medial surface of light guide plate, and the lateral surface of light guide plate is provided with a relief piece corresponding to the position of each optical fiber connector.

In preferred version of the present invention, described relief piece is dome shape.

Described relief piece is the arch cambered surface.

Described relief piece is the projection that the outer face becomes dome shape.

The medial surface of described light guide plate is provided with assembling grove, and the end of each optical fiber cooperates the assembled block that is assembled in the assembling grove of can planting to combine with light guide plate respectively.

Described assembling grove is taper, and opening is big and inboard less; The end that described assembled block penetrates in the light guide plate assembling grove is the taper that matches with assembling grove.

Described assembled block is provided with a perforation that supplies optical fiber connector to place.

Described perforation is the little funnel-form awl mouth of outer imperial palace towards an end opening of light guide plate, and an end opening of face away from light guide also is the little funnel-form awl mouth of outer imperial palace; The described optical fiber connector that is set in the perforation is set as the little funnel-form of outer imperial palace.

Described funnelform fiber end face is to form smooth mirror-like end face through the mirror ultrafinish processing.

Described assembled block can connect into the integral body of a strip, just will cooperate the assembling seat that a whole assembled block of arranging assembling grove is made a strip on the light guide plate to come the assembling optical fiber end.

Owing to adopt above-mentioned structure, a kind of wide-angle video picture effect that can be provided optical fiber connector to spread out of light by the relief piece of light guide plate with the visible angle of raising optical fiber displays, and makes the entire display screen display effect of optical fiber displays more perfect.

Description of drawings

Fig. 1 is the structural representation of the display screen of Chinese patent 97243700.2 described " optical fiber displays ";

Fig. 2 is the schematic appearance of the display screen of a kind of embodiment of the present invention;

Fig. 3 is the decomposing schematic representation of the display screen among Fig. 2:

Fig. 4 is the schematic perspective view of the light guide plate unit among Fig. 3;

Fig. 5 is that light guide plate among Fig. 4 is in conjunction with the cross-sectional view of optical fiber connector;

Fig. 6 is the schematic perspective view of a kind of embodiment of assembling seat of the present invention;

Fig. 7 is the assembling synoptic diagram of the described light guide plate of Fig. 6, assembling seat and optical fiber;

Fig. 8 is the part schematic perspective view of the another kind of embodiment of light guide plate of the present invention;

Fig. 9 is the part schematic perspective view of the third embodiment of light guide plate of the present invention;

Embodiment

The present invention is further detailed explanation below in conjunction with drawings and Examples:

Shown in Fig. 2 to 3, display screen 10 of the present invention comprises housing 12, and is assembled with several light guide plate unit 20 based on light guide plate 22 in this housing 12, is provided with a slice transparent panel 14 at these display screen 10 outside surfaces again.

As shown in Figure 4,20 foremosts, light guide plate unit are provided with a light guide plate 22 and come for optical fiber 40 terminal location, light guide plate 22 outsides are provided with relief piece 26 corresponding to the position of each optical fiber 40 end as can be seen in the drawings, and a kind of wide-angle video picture of the optical fiber light that 40 ends spread out of effect can be provided by the relief piece 26 of this light guide plate 22.

The medial surface that can find out the light guide plate of making at transparent material 22 among Fig. 5 clearly is provided with several assembling groves 24, this assembling grove 24 slightly is taper, and the opening that makes this assembling grove 24 is big and inboard less, simultaneously be formed with relief piece 26 at light guide plate 22 lateral surfaces corresponding to the position of assembling grove 24, the relief piece 26 shown in Fig. 5 is slightly to be dome shape;

The end that can see each optical fiber 40 in Fig. 5 in addition is to cooperate an assembled block 32 to combine with light guide plate 22 respectively, on these assembled blocks 32, be formed with a perforation 34 respectively, this perforation 34 is the funnel-form awl mouth 342 that imperial palace is little outside towards an end opening of light guide plate 22, and the other end opening funnelform awl that also to be an outer imperial palace little mouthfuls 340, when optical fiber 40 ends are assembled, be that optical fiber 40 ends are passed perforation 34 and extended outer cone mouth 342 places by awl mouthful 340 places, because the setting of this awl mouth 340, can have suitable guiding when making the end of optical fiber 40 penetrate, and make penetrating of optical fiber 40 ends more convenient, at awl mouthful 342 places optical fiber 40 ends are heat-treated then and form a funnel end 400, so that optical fiber 40 ends can firmly combine with 32 of assembled blocks and can not throw off easily, then promptly the end face of this funnel end 400 is carried out mirror ultrafinish and handle, and form smooth mirror-like end face;

The end that penetrates in the assembling grove 24 of light guide plate plate 22 of each assembled block 32 also slightly is corresponding taper as can be seen in Fig. 5, helping assembled block 32 penetrates in the assembling grove 24, each assembling grove 24 of light guide plate 22 medial surfaces is corresponding with a relief piece 26 of lateral surface respectively, so the light beam that can provide the funnel end 400 of each optical fiber 40 to guide out is done suitable diffusion, and better appreciation effect is provided.

Optical fiber 40 ends penetrate makes funnel end 400 and after mirror ultrafinish processing in assembled block 32 perforation 34, assembled block 32 can be bonded to location in the light guide plate 22 medial surface assembling groves 24 with bonding, fusion or close-fitting mode, after assembled block 32 is fixedly finished, promptly finished the making of light guide plate unit 20, then each light guide plate unit 20 can be assembled to location in the housing 12, and suitable in addition bonding or fixing or locking, so that each light guide plate unit 20 is combined the location with housing 12, to finish the assembling of entire display screen.

As shown in Figure 6, assembled block 32 can connect into a strip integral body, just will cooperate the assembling seat 30 that a whole assembled block 32 of arranging assembling grove 24 is linked to be a strip on the light guide plate 25 to come assembling optical fiber 40 ends, be formed with the assembled block 32 of equi-spaced apart on the assembling seat of in Fig. 6, being asked 30, and on each assembled block 32, be provided with one the perforation 34, so, can be as shown in Figure 7 when assembling, optical fiber 40 ends are assembled to earlier in the perforation 34 of the assembled block 32 on each assembling seat 30, the assembling seat 30 with several strips is bonded to light guide plate 22 medial surfaces to form a light guide plate unit 20 again.

Assembling seat 30 adopts the structure setting of strip, it is more convenient and be difficult for disarraying order to allow optical fiber 40 terminal skies go into assembling processing in the perforation 34 of assembling seat 30, optical fiber 40 ends in will penetrating perforation 34 are made funnel end 400 and are carried out mirror ultrafinish and add man-hour simultaneously, can also assemble seat 30 for the unit processes, make manufacturing processing also more easy.

Fig. 8 and Fig. 9 are the preferred embodiment of light guide plate different types of the present invention, as seen from the figure, the set relief piece 26 of light guide plate 22 outside surfaces of the present invention can become arch cambered surface as shown in Figure 8, be useful in indoor or upper and lower visible angle and do not need very big occasion, or as shown in Figure 9, be protruding with projection 26 at these light guide plate 22 outside surfaces, and these projection 26 end faces slightly are dome shape, also can provide appropriate wide-angle video picture effect, with the effect of the visible angle that improves optical fiber displays.

By above explanation as can be known, the present invention is provided with a light guide plate 22 at optical fiber 40 ends that constitute display screen, and optical fiber 40 ends are assembled in light guide plate 22 medial surfaces, and be provided with relief piece 26 corresponding to the position of each optical fiber 40 end at light guide plate 22 outside surfaces, and can provide optical fiber 40 terminal a kind of wide-angle video picture of light effects of deriving by the relief piece 26 of light guide plate 22, can reach the visible angle that improves optical fiber displays by this, and allow the more perfect effect of entire display screen display effect of optical fiber displays.

As known by the technical knowledge, the present invention can realize by other the embodiment that does not break away from its spirit or essential feature.Therefore, above-mentioned disclosed embodiment with regard to each side, all just illustrates, and is not only.All within the scope of the present invention or the change in being equal to scope of the present invention all be included in the invention.

Claims

1. the end pantoscopic visualization device of optical fiber of an optical fiber displays, its special sheet is: comprise a light guide plate that is installed in optical fiber connector, is made by transparent material at least, optical fiber connector is contained in the medial surface of light guide plate, and the lateral surface of light guide plate is provided with a relief piece or floating recessed or relief flat blocks corresponding to the position of each optical fiber connector; The medial surface of described light guide plate is provided with assembling grove, and the assembled block that the end of each optical fiber cooperates a plant to be assembled in the assembling grove respectively combines with light guide plate; Described assembling grove is taper, and opening is big and inboard less; The end that described assembled block penetrates in the light guide plate assembling grove is the taper that matches with assembling grove.

2. the end pantoscopic visualization device of optical fiber of optical fiber displays according to claim 1 is characterized in that described relief piece or floating recessed or relief flat blocks are dome shape.

3. the end pantoscopic visualization device of optical fiber of optical fiber displays according to claim 1 is characterized in that described relief piece or floating recessed or relief flat blocks are the arch cambered surface.

4. the end pantoscopic visualization device of optical fiber of optical fiber displays according to claim 1 is characterized in that described relief piece or recessed projection or recessed post or plane that becomes dome shape for the outer face.

5. the end pantoscopic visualization device of optical fiber of optical fiber displays according to claim 1 is characterized in that described assembled block is provided with a perforation that supplies optical fiber connector to place.

6. the end pantoscopic visualization device of optical fiber of optical fiber displays according to claim 5, it is characterized in that described perforation is the little funnel-form awl mouth of outer imperial palace towards an end opening of light guide plate, an end opening of face away from light guide also is the little funnel-form awl mouth of outer imperial palace; The described optical fiber connector that is set in the perforation is set as the little funnel-form of outer imperial palace.

7. the end pantoscopic visualization device of optical fiber of optical fiber displays according to claim 6 is characterized in that described funnelform fiber end face is to form smooth mirror-like end face through the mirror ultrafinish processing.

8. the end pantoscopic visualization device of optical fiber of optical fiber displays according to claim 1, it is characterized in that described assembled block connects into the integral body of a strip, the assembling seat of the assembled block that cooperates whole row's assembling grove on the light guide plate being made a strip comes the assembling optical fiber end.