CN203178514U - Light guide plate structure - Google Patents
Light guide plate structure Download PDFInfo
- Publication number
- CN203178514U CN203178514U CN 201320167515 CN201320167515U CN203178514U CN 203178514 U CN203178514 U CN 203178514U CN 201320167515 CN201320167515 CN 201320167515 CN 201320167515 U CN201320167515 U CN 201320167515U CN 203178514 U CN203178514 U CN 203178514U
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- CN
- China
- Prior art keywords
- light
- plate structure
- light guide
- conducting plate
- waveguide layer
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Abstract
The utility model relates to a light guide plate structure which is in an all-in-one structure. The light guide plate structure comprises a light guide layer, an optical layer and a reflecting layer. The light guide layer is provided with a first surface and a second surface corresponding to the first surface. The optical layer is arranged on the first surface and the reflecting layer is arranged on the second surface. The second surface of the light guide layer is provided with a plurality of light guide dots. One of the sides of the light guide layer is an incident light surface, while the opposite end face of the junction end face of the optical layer and the first surface of the light guide layer is an emergent light surface. With the structure configuration of the light guide layer, the optical layer and the reflecting layer in the light guide plate, the light guide plate has effects of light guiding, optical diffusion and light reflection so that complicated procedures of manufacturing process are simplified, producing and manufacturing time is saved and manufacturing cost is reduced.
Description
Technical field
The utility model is about a kind of light conducting plate structure, and referring to be combined with light-guiding function, optics diffusion and light reflection function especially is the light conducting plate structure of one.
Background technology
Light guide plate is the most critical spare part in the backlight module.Wherein, the light guide plate major function is the directing light direction, and itself has splendid light transmission, when pointolite or line source by after the light guide plate, just pointolite or line source can be changed into area source, therefore, light guide plate is the carrier of conduction and the distribution of a light; And see through the structural design of light guide plate, and can further adjust shooting angle and the energy distribution of the light in advancing, make pointolite or line source by forming the area source of uniformly light-emitting after the light guide plate.
In addition, be the homogeneity of the brilliant degree that improves area source, two face side corresponding in light guide plate are respectively equipped with reflecting plate and diffuser plate; Wherein, diffuser plate in order to the brilliant degree that improves area source evenly, reflecting plate is used for then preventing that the light of light guide plate bottom from leaking outside, to increase the service efficiency of light.
Yet, aforesaid area source is under factors such as the even and light of considering its brilliant degree leaks outside, when composition can form the structure of this area source, must assemble respectively in two corresponding face side of light guide plate reflectance coating and diffusion barrier are set, so making in the production, because a plurality of assemblies of needs carry out being assembled afterwards, cause in the manufacturing assembling comparatively time-consuming, take a lot of work, and whole assembling processing procedure needs to carry out in dust free room, can make each plate surface can not attach dust, and be unlikely the quality that influences finished product, but also just because of this, cause and to reduce manufacturing cost, have a strong impact on dealer's profit profit.
In addition, after light guide plate and diffusion barrier, reflectance coating are superimposed, only with a frame its four limit is fixed, then there is not any fixing mechanism for middle section, therefore be easy to generate the bad situation of driving fit, cause part light to produce the scattering phenomenon that to expect, and form a dark space, cause the poor lighting situation of briliancy deficiency and light and shade inequality.
The utility model content
The purpose of this utility model is to be to provide a kind of light conducting plate structure, this light guide plate in conjunction with light-guiding function, optics diffusion function and reflection function in one, and can reduce the complicated procedures of forming of manufacture process, and save manufacturing time, artificial and avoid repeating work, the required cost that expends when reducing manufacturing to reach, also can eliminate the uneven situation of light and shade, the optimal illumination effect is provided.
For reaching above-mentioned purpose, the utility model proposes a kind of light conducting plate structure, this light guide plate is one-body molded and comprise:
One optical waveguide layer, an optical layers and a reflection horizon; Wherein, this optical waveguide layer has first surface and the second surface corresponding with this first surface, and this optical layers is located on the first surface, and the reflection horizon is located on the second surface; And have a plurality of leaded light points on the second surface of this optical waveguide layer, a wherein side of this optical waveguide layer is an incidence surface in addition, and the opposing end surface of the side end face that this optical layers is combined with the first surface of optical waveguide layer is exiting surface.
Aforesaid light conducting plate structure, wherein, this optical layers is diffusion layer.
Aforesaid light conducting plate structure, wherein, the material of this optical waveguide layer be polymethylmethacrylate (Polymethyl methacrylate, PMMA).
Aforesaid light conducting plate structure, wherein, the material of this optical layers be polycarbonate (Polycarbonate, PC).
Aforesaid light conducting plate structure wherein, in this optical waveguide layer respective side of the incidence surface of a side wherein, is another incidence surface.
Aforesaid light conducting plate structure, wherein, these leaded light point arranging densities are evenly distributed.
Aforesaid light conducting plate structure, wherein, these leaded light point arranging densities, near incidence surface toward relatively away from the direction of incidence surface, be listed as by dredging to solid matter.
Aforesaid light conducting plate structure, wherein, the diameter of these leaded light points is identical size.
Aforesaid light conducting plate structure, wherein, the diameter of these leaded light points is by increasing gradually toward relative direction away from incidence surface near incidence surface.
Aforesaid light conducting plate structure wherein, has the leaded light particle in this optical waveguide layer.
Aforesaid light conducting plate structure wherein, has diffusion particle in this diffusion layer.
Aforesaid light conducting plate structure wherein, has reflective particle in this reflection horizon.
Aforesaid light conducting plate structure, wherein, the material in this reflection horizon is polycarbonate (PC) or polyethylene terephthalate (PET).
Aforesaid light conducting plate structure, wherein, this exiting surface is provided with microstructure.
The advantage of light conducting plate structure of the present utility model is:
1, include the optical waveguide layer of adopting one-body molded and mutual stacked combination because of light guide plate of the present utility model, optical layers and reflection horizon, and make this light guide plate itself namely have light-guiding function, optics diffusion and reflection light harvesting function, and need not assemble reflectance coating again, the program of diffusion barrier, therefore, can effectively reduce the complicated procedures of forming of manufacture process and save manufacturing time, and because light guide plate of the present utility model is the tool optical waveguide layer in the back of moulding, reflection horizon and diffusion layer, so do not have and when the formed light conductive plate, also need consider the problem whether each interlayer can attach dust, and then reduce the required cost that expends when making.
2, include optical waveguide layer, optical layers and the reflection horizon of adopting one-body molded and mutual stacked combination because of light guide plate of the present utility model, and the program that need not assemble reflectance coating, diffusion barrier again, therefore, not having has the bad situation of driving fit to produce between this optical layers, reflection horizon and optical waveguide layer, can avoid really producing the formed dark area effect of scattering that can't expect because of part light.
3, in these surperficial set a plurality of leaded light points of this optical waveguide layer, because can further picking up from incidence surface toward relative direction away from incidence surface, increase its arranging density gradually or increase the setting of its diameter gradually, so more can increase the briliancy away from the zone of incidence surface, avoid producing the light and shade uneven phenomenon, so that indoor optimal illumination effect to be provided.
Description of drawings
Fig. 1 is the stereographic map of light conducting plate structure one of the present utility model preferred embodiment;
Fig. 2 is the front view of light conducting plate structure one of the present utility model preferred embodiment;
Fig. 3 is the front view of its two preferred embodiment of light conducting plate structure of the present utility model.
The main element label declaration:
1 optical waveguide layer
11 first surfaces
12 second surfaces
13 leaded lights point
14 incidence surfaces
15 leaded light particles
2 optical layers
21 diffusion layers
22 diffusion particles
23 exiting surfaces
3 reflection horizon
31 reflective particles
4 light sources
Embodiment
Understand for technical characterictic of the present utility model, purpose and effect being had more clearly, now contrast description of drawings embodiment of the present utility model:
Please referring to Fig. 1, be the schematic perspective view of light guide plate of the present utility model.Light guide plate of the present utility model is formed in one and includes: an optical waveguide layer 1, an optical layers 2 and a reflection horizon 3; Wherein:
This optical waveguide layer 1 has first surface 11 and the second surface 12 corresponding with this first surface 11, have integrally formed a plurality of leaded light points 13 on the second surface 12 of this optical waveguide layer 1, and a wherein side that makes optical waveguide layer 1 at least is an incidence surface 14, or as shown in Figure 2, further at this respective side place of a side wherein, form second incidence surface 14, and in incidence surface 14 sides light source 4 is set, the material employing polymethylmethacrylate of this optical waveguide layer 1 (Polymethyl methacrylate, PMMA); Include leaded light particle 15 in this optical waveguide layer 1, and can promote the light guide effect of light guide plate.
These optical layers 2 one are located on the first surface 11 of optical waveguide layer 1, the material of this optical layers 2 adopt polycarbonate (Polycarbonate, PC), and this optical layers 2 is a diffusion layer 21, has diffusion particle 22 in this diffusion layer 21; In addition, this optical layers 2 is exiting surface 23 with the opposing end surface of the side end face of first surface 11 combinations of optical waveguide layer 1, and this exiting surface 23 is one to have the surface of microstructure;
These reflection horizon 3 one are located on the second surface 12 of optical waveguide layer 1, have reflective particle 31 in this reflection horizon 3, the material in this reflection horizon 3 be selected from polycarbonate (PC) or polyethylene terephthalate (PET) wherein it.
After light source 4 is lighted, the light of its generation will be injected from the incidence surface 14 of optical waveguide layer 1, enter the light of optical waveguide layer 1 just so that angle and direction are advanced in optical waveguide layer 1 arbitrarily; Has leaded light point 13 on the second surface 12 because of optical waveguide layer 1, make light produce diffusion or reflection because of leaded light point 13, and then the total reflection that destroys light makes light produce refraction, and march to the light in reflection horizon 3, under the effect in reflection horizon 3, change direct of travel, light is penetrated outside the light guide plate.
Please referring to Fig. 2, second surface 12 set a plurality of leaded light points 13 of this optical waveguide layer 1 can adopt evenly distributed, or make a plurality of leaded lights put 13 arranging densities again, near this two incidence surface 14 toward relatively away from middle section directions of this two incidence surface 14, be listed as by dredging to solid matter; The diameter of set a plurality of leaded light point 13 is size equally, or by increasing (referring to Fig. 3) near this two incidence surface 14 gradually toward relative middle section direction away from this two incidence surface 14.
Whereby, to see through the setting that these a plurality of leaded lights are put 13 arranging densities and diameter, increase the briliancy of the whole middle section of light guide plate, avoid the light and shade uneven phenomenon, so that indoor optimal illumination effect to be provided.
The above only is the schematic embodiment of the utility model, is not in order to limit scope of the present utility model.Any those skilled in the art, the equivalent variations of having done under the prerequisite that does not break away from design of the present utility model and principle and modification all should belong to the scope that the utility model is protected.
Claims (9)
1. a light conducting plate structure is characterized in that, this light guide plate is one of the forming and comprises an optical waveguide layer, an optical layers and a reflection horizon; Wherein, this optical waveguide layer has first surface and the second surface corresponding with this first surface, and this optical layers is located on the first surface, and this reflection horizon is located on the second surface; And have a plurality of leaded light points on the second surface of this optical waveguide layer, a wherein side of this optical waveguide layer is an incidence surface, and the opposing end surface of the side end face that this optical layers is combined with the first surface of this optical waveguide layer is exiting surface.
2. light conducting plate structure as claimed in claim 1 is characterized in that, this optical layers is diffusion layer.
3. light conducting plate structure as claimed in claim 1 is characterized in that, the material of this optical waveguide layer is polymethylmethacrylate.
4. light conducting plate structure as claimed in claim 1 is characterized in that, the material of this optical layers is polycarbonate.
5. light conducting plate structure as claimed in claim 1 is characterized in that, the arranging density of each described leaded light point, be evenly distributed or near this incidence surface toward relatively away from the direction of this incidence surface, be listed as by dredging to solid matter.
6. light conducting plate structure as claimed in claim 5 is characterized in that, the diameter of each described leaded light point is for identical size or by increasing gradually toward relative direction away from this incidence surface near this incidence surface.
7. light conducting plate structure as claimed in claim 1 is characterized in that, has the leaded light particle in this optical waveguide layer.
8. light conducting plate structure as claimed in claim 1 is characterized in that, this exiting surface is provided with microstructure.
9. light conducting plate structure as claimed in claim 1 is characterized in that, the material in this reflection horizon is polycarbonate or polyethylene terephthalate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320167515 CN203178514U (en) | 2013-04-07 | 2013-04-07 | Light guide plate structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320167515 CN203178514U (en) | 2013-04-07 | 2013-04-07 | Light guide plate structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203178514U true CN203178514U (en) | 2013-09-04 |
Family
ID=49075192
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320167515 Expired - Fee Related CN203178514U (en) | 2013-04-07 | 2013-04-07 | Light guide plate structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203178514U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103698838A (en) * | 2013-12-18 | 2014-04-02 | 北京京东方光电科技有限公司 | Light guide plate and preparation method thereof, backlight module and display device |
| CN104075187A (en) * | 2014-06-18 | 2014-10-01 | 京东方科技集团股份有限公司 | Backlight module and display device |
| CN110995898A (en) * | 2019-11-29 | 2020-04-10 | Oppo广东移动通信有限公司 | Shell assembly of electronic equipment and electronic equipment |
| WO2021046814A1 (en) * | 2019-09-12 | 2021-03-18 | 品威电子国际股份有限公司 | Light-emitting flat cable structure |
-
2013
- 2013-04-07 CN CN 201320167515 patent/CN203178514U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103698838A (en) * | 2013-12-18 | 2014-04-02 | 北京京东方光电科技有限公司 | Light guide plate and preparation method thereof, backlight module and display device |
| CN104075187A (en) * | 2014-06-18 | 2014-10-01 | 京东方科技集团股份有限公司 | Backlight module and display device |
| WO2021046814A1 (en) * | 2019-09-12 | 2021-03-18 | 品威电子国际股份有限公司 | Light-emitting flat cable structure |
| CN110995898A (en) * | 2019-11-29 | 2020-04-10 | Oppo广东移动通信有限公司 | Shell assembly of electronic equipment and electronic equipment |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130904 Termination date: 20150407 |
|
| EXPY | Termination of patent right or utility model |