CN206920644U - A kind of composite and flexible light guide plate and backlight - Google Patents
A kind of composite and flexible light guide plate and backlight Download PDFInfo
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- CN206920644U CN206920644U CN201720669154.9U CN201720669154U CN206920644U CN 206920644 U CN206920644 U CN 206920644U CN 201720669154 U CN201720669154 U CN 201720669154U CN 206920644 U CN206920644 U CN 206920644U
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- optical waveguide
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Abstract
The utility model discloses a kind of composite and flexible light guide plate and backlight, wherein, including optical waveguide layer, add lustre to diffusion layer, reflecting layer and light source, the diffusion layer that adds lustre to is arranged at optical waveguide layer top, the reflecting layer is arranged at optical waveguide layer bottom, the light source is arranged at one end of optical waveguide layer, wherein, the optical waveguide layer is additionally provided with the incidence surface for receiving light close to one end of light source, reflecting surface is additionally provided between optical waveguide layer and reflecting layer, the exiting surface corresponding with reflecting surface is additionally provided between optical waveguide layer and the diffusion layer that adds lustre to, for the uniform light in optical waveguide layer to be exported, incidence surface vertical connection reflecting surface and exiting surface.The utility model is by the way that the light guide plate of backlight, reflectance coating and the diffusion barrier that adds lustre to are combined, considerably reduce the assemble products from parts of backlight, optimize light path, improve the light extraction efficiency of light utilization efficiency and backlight, it is simple in construction, it is readily bent, further promotes liquid crystal display device to develop to flexible, ultra-thin, Rimless direction.
Description
Technical field
It the utility model is related to technical field of liquid crystal display, more particularly to a kind of composite and flexible light guide plate and backlight.
Background technology
Lcd technology relies on its ripe technology, cheap cost and excellent performance, has become display field
Main flow Display Technique, LCDs is passive luminescent device, and itself does not light, and must be shone by the backlight being added in behind
It is bright.Backlight and LCDs combine composition liquid crystal display die set.
Existing backlight is some zero typically by reflectance coating, light guide plate, diffusion barrier, bright enhancement film, composite membrane and light source etc.
Part forms, and its operation principle is to be directed into the light that light source is sent in light guide plate by the incidence surface of light guide plate using light guide plate, when
After the reticulate pattern of light irradiation bottom surface of light guide plate, refraction, reflection occurs, is uniformly sent via the exiting surface of light guide plate, illuminates liquid crystal
Display screen.But the structure optical path length, light utilization efficiency is low, makes its light efficiency relatively low.And backlight overall structure is caused to be answered
Miscellaneous, cost is high, flexible poor, influences its slimming, flexibility and efficient development.
Therefore, prior art has yet to be improved and developed.
Utility model content
In view of above-mentioned the deficiencies in the prior art, the utility model provides a kind of composite and flexible light guide plate and backlight, leads to
Cross and be combined the light guide plate of backlight, reflectance coating and the diffusion barrier that adds lustre to, considerably reduce the assemble products from parts of backlight,
Light path is optimized, improves the light extraction efficiency of light utilization efficiency and backlight, it is simple in construction, it is readily bent, further promotes
Liquid crystal display device develops to flexible, ultra-thin, Rimless direction.
The technical solution of the utility model is as follows：
A kind of composite and flexible light guide plate, wherein, including optical waveguide layer, the diffusion layer that adds lustre to, reflecting layer and light source, it is described to add lustre to
Diffusion layer is arranged at optical waveguide layer top, and the reflecting layer is arranged at optical waveguide layer bottom, and the light source is arranged at one end of optical waveguide layer,
Wherein, the optical waveguide layer is additionally provided with incidence surface for receiving light, the optical waveguide layer and reflecting layer close to one end of light source
Between be additionally provided with reflecting surface, the exiting surface corresponding with reflecting surface is additionally provided between the optical waveguide layer and the diffusion layer that adds lustre to,
For the uniform light in optical waveguide layer to be exported, the incidence surface vertical connection reflecting surface and exiting surface.
Described composite and flexible light guide plate, wherein, the inside of the optical waveguide layer or being internally provided with to light for reflecting surface
The light conductor for being reflected and being reflected.
Described composite and flexible light guide plate, wherein, the reflecting layer is the coating of high reflectance, by printing, coat or
Evaporation is fixed on reflecting surface.
Described composite and flexible light guide plate, wherein, the coating that diffusion layer is high diffusivity rate that adds lustre to, by printing, losing
Quarter, laser, coating or evaporation are fixed on exiting surface.
Described composite and flexible light guide plate, wherein, the optical waveguide layer includes polymethyl methacrylate optical waveguide layer or poly- carbon
Acid esters optical waveguide layer.
A kind of backlight, wherein, including the composite and flexible light guide plate described in any one.
Beneficial effect：The utility model provides a kind of composite and flexible light guide plate and backlight, passes through leading backlight
Tabula rasa, reflectance coating and the diffusion barrier that adds lustre to are combined, and are considerably reduced the assemble products from parts of backlight, are optimized light path,
Improve the light extraction efficiency of light utilization efficiency and backlight, it is simple in construction, be readily bent, further promote liquid crystal display device to
Flexible, ultra-thin, Rimless direction is developed.
Brief description of the drawings
Fig. 1 is a kind of planar structure schematic diagram of composite and flexible light guide plate of the utility model.
Fig. 2 is the planar structure schematic diagram of existing light guide plate and backlight.
Covered on 11-；12- composite membranes；13- bright enhancement films；14- diffusion barriers；The light sources of 15- first；16- light guide plates；17- reflects
Film；18- lower covers；21- optical waveguide layers；211- adds lustre to diffusion barrier；212- reflecting layer；22- light sources；213- incidence surfaces；214- reflectings surface；
215- exiting surfaces.
Embodiment
The utility model provides a kind of composite and flexible light guide plate and backlight, to make the purpose of this utility model, technical side
Case and effect are clearer, clear and definite, and the utility model is further described below.It should be appreciated that tool described herein
Body embodiment only to explain the utility model, is not used to limit the utility model.
As shown in figure 1, a kind of composite and flexible light guide plate, wherein, including optical waveguide layer 21, add lustre to diffusion layer 211, reflecting layer
212 and light source 22, the diffusion layer 211 that adds lustre to be arranged at the top of optical waveguide layer 21, reflecting layer 212 is arranged at the bottom of optical waveguide layer 21, light
Source 22 is arranged at one end of optical waveguide layer 21.Traditional light conducting plate structure is excessively complicated thick and heavy, causes structure optical path length, and light utilizes
Rate is low, and therefore, the utility model is set by the way that optical waveguide layer 21, the diffusion layer 211 that adds lustre to, the thinning of reflecting layer 212 are bonded, and compound
It is made, greatly reduces the assembling parts of structure, improves the light extraction efficiency of light utilization efficiency and backlight.Wherein, in leaded light
Layer 21 is additionally provided with the incidence surface 213 for receiving light close to one end of light source 22, and incidence surface 213 can be to large-scale light
Line is received and assembled, and improves light utilization efficiency, reflecting surface 214, reflecting surface are additionally provided between optical waveguide layer 21 and reflecting layer 212
214 setting can further improve utilization rate of the light guide plate to light, be also set up between optical waveguide layer 21 and the diffusion layer 211 that adds lustre to
There is the exiting surface 215 corresponding with reflecting surface 214, for the uniform light in optical waveguide layer 21 to be exported, improve the uniform of light
Property, the vertical connection reflecting surface 214 of incidence surface 213 and exiting surface 215.
In practical application, the inside of optical waveguide layer 21 or being internally provided with for reflecting surface 214 are reflected and reflected to light
Light conductor（Not shown in figure）.The setting of light conductor further improves utilization rate of the light guide plate to light.
Further, reflecting layer 212 is the coating of high reflectance, is fixed on reflecting surface 214 by printing, coating or be deposited
On.The most thinning in reflecting layer 212 can be realized, optimizes opticpath.
Further, the diffusion layer 211 that adds lustre to is the coating of high diffusivity rate, by printing, etching, laser, coating or steaming
Plating is fixed on exiting surface 215.The most thinning for the diffusion barrier 211 that adds lustre to can be realized, optimizes opticpath.
In practical application, optical waveguide layer 21 includes polymethyl methacrylate optical waveguide layer or makrolon optical waveguide layer.Poly- methyl
Methyl acrylate optical waveguide layer, makrolon optical waveguide layer meet requirement of the optical waveguide layer 21 to high transmittance and high index of refraction performance.
A kind of backlight, wherein, including the composite and flexible light guide plate that any one is above-mentioned.Use the backlight of above-mentioned light guide plate
Source, the light extraction efficiency of light utilization efficiency and backlight is improved, simple in construction, flexible and product is ultra-thin, easy for installation.
Referring to Fig. 2, existing back light source structure includes the upper lid 11, composite membrane 12, bright enhancement film for stacking setting from top to bottom
13rd, diffusion barrier 14, light guide plate 16, reflectance coating 17 and lower cover 18, the first light source 15 are arranged on the end of light guide plate 16, this structure back of the body
Light source, each composition structure is thick and heavy, and opticpath is longer, causes light utilization efficiency extremely low, and light guide effect is poor, is unfavorable for being thinned,
High efficiency development.And this is complicated, production cost is high, and volume is larger, it has not been convenient to transport and installation.And the utility model carries
A kind of the composite and flexible light guide plate and backlight supplied effectively solves above-mentioned technical problem.
The utility model provides a kind of composite and flexible light guide plate and backlight, by by the light guide plate of backlight, reflection
Film and the diffusion barrier that adds lustre to are combined, and are considerably reduced the assemble products from parts of backlight, are optimized light path, improve light profit
It is simple in construction with rate and the light extraction efficiency of backlight, be readily bent, further promote liquid crystal display device to it is flexible, ultra-thin,
Rimless direction is developed.
It should be appreciated that application of the present utility model is not limited to above-mentioned citing, this area normal technology personnel are come
Say, can according to the above description be improved or converted, all these modifications and variations should all belong to the appended power of the utility model
The protection domain that profit requires.
Claims (6)
1. a kind of composite and flexible light guide plate, it is characterised in that described including optical waveguide layer, the diffusion layer that adds lustre to, reflecting layer and light source
The diffusion layer that adds lustre to is arranged at optical waveguide layer top, and the reflecting layer is arranged at optical waveguide layer bottom, and the light source is arranged at optical waveguide layer
One end, wherein, the optical waveguide layer is additionally provided with the incidence surface for receiving light close to one end of light source, the optical waveguide layer with it is anti-
Penetrate between layer and be additionally provided with reflecting surface, the light extraction corresponding with reflecting surface is additionally provided between the optical waveguide layer and the diffusion layer that adds lustre to
Face, for the uniform light in optical waveguide layer to be exported, the incidence surface vertical connection reflecting surface and exiting surface.
2. composite and flexible light guide plate according to claim 1, it is characterised in that the inside of the optical waveguide layer or reflecting surface
It is internally provided with the light conductor for being reflected and being reflected to light.
3. composite and flexible light guide plate according to claim 1, it is characterised in that the reflecting layer is the painting of high reflectance
Layer, is fixed on reflecting surface by printing, coating or be deposited.
4. composite and flexible light guide plate according to claim 1, it is characterised in that the diffusion layer that adds lustre to is high diffusivity rate
Coating, by printing, etching, laser, coating or evaporation be fixed on exiting surface.
5. composite and flexible light guide plate according to claim 1, it is characterised in that the optical waveguide layer includes polymethylacrylic acid
Methyl esters optical waveguide layer or makrolon optical waveguide layer.
6. a kind of backlight, it is characterised in that including the composite and flexible light guide plate described in claim 1-5 any one.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720669154.9U CN206920644U (en) | 2017-06-09 | 2017-06-09 | A kind of composite and flexible light guide plate and backlight |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720669154.9U CN206920644U (en) | 2017-06-09 | 2017-06-09 | A kind of composite and flexible light guide plate and backlight |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206920644U true CN206920644U (en) | 2018-01-23 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720669154.9U Active CN206920644U (en) | 2017-06-09 | 2017-06-09 | A kind of composite and flexible light guide plate and backlight |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206920644U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107121722A (en) * | 2017-06-09 | 2017-09-01 | 河源鑫智胜电子有限公司 | A kind of composite and flexible light guide plate and backlight |
| CN109976034A (en) * | 2018-12-21 | 2019-07-05 | 汉能移动能源控股集团有限公司 | Optical module, photovoltaic module, system, device and product applying same |
-
2017
- 2017-06-09 CN CN201720669154.9U patent/CN206920644U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107121722A (en) * | 2017-06-09 | 2017-09-01 | 河源鑫智胜电子有限公司 | A kind of composite and flexible light guide plate and backlight |
| CN109976034A (en) * | 2018-12-21 | 2019-07-05 | 汉能移动能源控股集团有限公司 | Optical module, photovoltaic module, system, device and product applying same |
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