CN201041589Y - Optical film slice - Google Patents
Optical film slice Download PDFInfo
- Publication number
- CN201041589Y CN201041589Y CNU2007201425432U CN200720142543U CN201041589Y CN 201041589 Y CN201041589 Y CN 201041589Y CN U2007201425432 U CNU2007201425432 U CN U2007201425432U CN 200720142543 U CN200720142543 U CN 200720142543U CN 201041589 Y CN201041589 Y CN 201041589Y
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- transparency carrier
- blooming piece
- brightness enhancement
- enhancement layer
- diffusion
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Abstract
The utility model discloses an optical diaphragm. The optical diaphragm is further formed by overlapping a brightening layer, a transparent carrier and a diffusion layer in sequence, wherein, the brightening layer can be positioned on the light extracting surface or light emitting surface of the transparent carrier, the diffusion layer includes a transparent medium with a concave-convex rough surface, and scattering particles are distributed in the transparent medium in an irregular shape, therefore, by using the optical diaphragm used in a backlight module, the utility model can achieve the purposes of light ray uniformizing, brightness increasing, optical filtering and anti-glare with lower manufacturing cost. Further, by using the concave-convex rough surface structure of the transparent medium and the scattering particles distributed in the transparent medium in an irregular shape, the utility model can achieve the effect that the light ray is uniformized perfectly.
Description
Technical field
The utility model relates to a kind of blooming piece, and You Zhike is used in the blooming piece in the backlight module.
Background technology
Along with the development of LCD, backlight module has become optical element important in the industry.With the general 30 o'clock used backlight modules of LCD was example, and the cost structure of key part and component is: the rhombus lens of playing the part of the brightness enhancement layer role accounts for 37.9%, diffusion layer accounts for 3.8%, reflection diaphragm accounts for 4.4%, fluorescent tube accounts for 18.4%, light guide plate accounts for 20.8%.
By the cost structure of these key parts and components, if can simplify or reduce spare part in these blooming pieces, can directly reduce the cost of making LCD, particularly rhombus lens is saved, can obtain better benefit.
In addition, known rhombus lens function be will pass through light beam assemble and blast is not very good for the effect of even disperse light, in general, industry someone will design a diffusion barrier again in the below of rhombus lens.Yet except increasing the assembly cost, its effect also still claims limited.
For improving this effect, see also Fig. 1, Fig. 1 is the synoptic diagram of known technology blooming piece.Fig. 1 is the enforcement legend (Fig. 3 in this patent) of TaiWan, China patented claim M293442 patent, it is about a kind of concentration piece 10, it has the light collecting layer 12 of brightening effect, light collecting layer 12 belows are a base material 11, the opposite side of base material 11 comprises a diffusion barrier 13 with recessed or protruding coarse structure, to be used for LCD as concentration piece 10.Understood by the teaching among the figure, the described recessed or protruding coarse structure of interior literary composition is diffusion barrier 13 top layers, is transversely arranged in wherein by particles with different sizes 1302, and particle 1302 protrudes in diffusion barrier 13 top layers and makes diffusion barrier 13 top layers concavo-convex coarse.Yet the manufacturing process of this known technology is comparatively loaded down with trivial details, and required element is more, so cost of manufacture is higher, and it still belongs to limited with the particle 1302 auxiliary diffusions of monolayer alignment though increased some its effects of optics interface.
Summary of the invention
The main technical problems to be solved in the utility model provides a kind of blooming piece that is used in the backlight module, can reach better homogenising light, the increase brightness and the anti-dizzy purpose that filters, to improve the problems referred to above with lower manufacturing cost.
Another technical matters to be solved in the utility model provides and a kind ofly is used in the backlight module, can blast and make the evenly blooming piece of diffusion of light, it can reach better effect with lower manufacturing cost.
For solving the problems of the technologies described above, the utility model proposes a kind of blooming piece, this blooming piece further comprises:
One transparency carrier, it is the plate body of printing opacity;
One brightness enhancement layer is arranged at a surface of this transparency carrier; And
One diffusion layer is arranged at this transparency carrier another surface with respect to this brightness enhancement layer, and this diffusion layer comprises:
One transparent medium, this transparent medium are arranged at this transparency carrier another surface with respect to this brightness enhancement layer, and wherein the surface of this transparent medium is concavo-convex coarse structure,
A plurality of scattering particles, described scattering particle are to intersperse among in this transparent medium with irregularly shaped.
Preferably, the surface of contiguous this brightness enhancement layer of this transparency carrier is an exiting surface, and contiguous this diffusion layer of this transparency carrier is an incidence surface.
Preferably, the surface of contiguous this brightness enhancement layer of this transparency carrier is an incidence surface, and contiguous this diffusion layer of this transparency carrier is an exiting surface.
Preferably, this brightness enhancement layer is made up of a plurality of microstructure, and this microstructure is selected from by water chestnut mirror, Fresnel Lenses and cylindrical lens is formed microstructure in the group.
Preferably, this brightness enhancement layer, this transparency carrier, this diffusion layer are identical material.
Preferably, this brightness enhancement layer, this transparency carrier, this diffusion layer are to be made into integration.
Preferably, this blooming piece more comprises a diffusion optically focused microstructure, and this diffusion optically focused microstructure is arranged at the surface that this brightness enhancement layer differs from this transparency carrier one side.
Preferably, this diffusion optically focused microstructure has wavy surface, and the radius-of-curvature of this wavy surface is between the scope of 5 μ m to 100 μ m.
Preferably, this brightness enhancement layer has wavy surface, and the radius-of-curvature of this wavy surface is between the scope of 0.05mm to 30mm.
Therefore, the blooming piece that the utility model proposes has following characteristics and advantage:
It is used in the blooming piece in the backlight module, can reach homogenising light, increase brightness and filter anti-dizzy purpose with lower manufacturing cost.Further, utilize the concavo-convex coarse structure on transparent medium surface, and in transparent medium with the scattering particle of irregularly shaped distribution, can reach the effect of better homogenising light.
Description of drawings
Fig. 1 is the synoptic diagram of known technology blooming piece;
Fig. 2 is the synoptic diagram of the utility model blooming piece;
Fig. 3 is the vertical view of the utility model diffusion layer;
Fig. 4 is another routine synoptic diagram of the utility model blooming piece signal optical path;
Fig. 5 is the wherein synoptic diagram of an embodiment of the utility model blooming piece;
Fig. 6 is the synoptic diagram of another embodiment of the utility model blooming piece;
Fig. 7 is the utility model blooming piece synoptic diagram of an embodiment again;
Fig. 8 is the synoptic diagram of the another embodiment of the utility model blooming piece; And
Fig. 9 is the optical path synoptic diagram of Fig. 8 embodiment.
Description of reference numerals:
Concavo-convex coarse structure 3602A optics interface 3604A
Diffusion optically focused microstructure 38
Embodiment
See also Fig. 2, Fig. 2 is the synoptic diagram of the utility model blooming piece 30.The utility model is about a kind of blooming piece 30, and blooming piece 30 further comprises a transparency carrier 32, a brightness enhancement layer 34 and a diffusion layer 36.Diffusion layer 36 further also comprises a transparent medium 3602 and a plurality of scattering particle 3604.
With respect to the difference of known technology, the rough surface of the utility model diffusion layer 36 is the moulding because of transparent medium 3602 surfaces, the event of unprovoked scattering particle 3604 projectioies, thereby can cause more optics interface.
Further see also Fig. 3, Fig. 3 is the vertical view of the utility model diffusion layer 36.From the vertical view of Fig. 3, as seen intersperse among erose many scattering particles 3604 in the transparent medium 3602, the scattering particle 3604 of distribution at random like this causes many irregular optics interface 3604A, and scattering particle 3604 much smaller than transparent medium 3602 thickness, (on optical path) is overlapping easily goes out more optics interface 3604A, these optics interfaces 3604A can cause light refraction, therefore has more good diffusion effect than known technology.
In addition, brightness enhancement layer 34, transparency carrier 32 and diffusion layer 36 can be identical material.And, brightness enhancement layer 34, transparency carrier 32 and diffusion layer 36 can be made into integration modular blooming piece 30 elements, further, when brightness enhancement layer 34, transparency carrier 32 and diffusion layer 36 are identical material, more help simplified manufacturing technique and save element, and be more convenient for to be made into integration modular blooming piece 30 elements.
Earlier figures 2 is an exiting surface 42 for the surface with transparency carrier 32 contiguous brightness enhancement layer 34, and the surface of adjacent diffusion 36 is the example of incidence surface 40, and the utility model also can be as Fig. 4, and Fig. 4 is another routine synoptic diagram of the utility model blooming piece 30 signal optical paths.As shown in Figure 4, wherein, the surface of transparency carrier 32 contiguous brightness enhancement layer 34 is an incidence surface 40, and the surface of transparency carrier 32 adjacent diffusion 36 is an exiting surface 42, equally also can be used as the utilization in the industry.
Supplementary notes be, transparent medium 3602 is arranged at the method on transparency carrier 32 surfaces, can utilize various modes such as coating, bat printing, hot pressing, transfer printing, spraying, atomizing and ejaculation to finish.And scattering particle 3604 is distributed in method in the transparent medium 3602, can be fixed with optical tweezers, be moved, or adopt other can regulate and control the method for particulate.
Further specify, the material of transparent medium 3602, scattering particle 3604, can adopt materials such as PET, PC, PMMA or PE, even can adopt identical material, as long as scattering particle 3604 and 3602 of transparent mediums have the optics interface 3604A of the anaclasis of making.
In addition, the material of brightness enhancement layer 34, transparency carrier 32 also can adopt materials such as PET, PC, PMMA or PE, and as described above, even transparency carrier 32, brightness enhancement layer 34 and diffusion layer 36 all can adopt identical material, is beneficial to integral production and saves element.
See also Fig. 8 and Fig. 9, Fig. 8 shows another embodiment of the present utility model, and Fig. 9 is the optical path synoptic diagram of this embodiment.This embodiment is except the spirit of constructed feature as described above, further add last layer diffusion optically focused microstructure 38 in addition in brightness enhancement layer 34 surfaces, diffusion optically focused microstructure 38 has wavy appearance, the range of curvature radius of its curved surface is between 5 μ m～100 μ m, belong to different media again with the brightness enhancement layer 34 of lower floor, so except strengthening its diffusion effect, itself also have a spotlight effect.And beneath brightness enhancement layer 34 has the curved surface (0.05mm～30mm), by this curved surface, except spotlight effect originally, the effect of diffusion is arranged also than larger radius of curvature.
Same, this diffusion optically focused microstructure 38 also can be made into integration with other aforementioned components and be blooming piece 30 of the present utility model, no matter identical material with other aforementioned components or different material all can.
Therefore, be used in blooming piece 30 in the backlight module by the utility model, be made into integration blooming piece 30 in conjunction with brightness enhancement layer 34, transparency carrier 32, diffusion layer 36, can reach homogenising light, increase brightness and filter anti-dizzy purpose with lower manufacturing cost.Further, utilize the concavo-convex coarse structure 3602A on transparent medium 3602 surfaces, and in transparent medium 3602 with the scattering particle 3604 of irregularly shaped distribution, can reach the effect of better homogenising light.
The above detailed description of preferred embodiments is to wish to know more to describe feature of the present utility model and spirit, and is not to come category of the present utility model is limited with above-mentioned disclosed preferred embodiment.On the contrary, its objective is that hope can contain in the category of the claim that is arranged in the desire application of the utility model institute of various changes and tool equality.
Claims (9)
1. a blooming piece is characterized in that, this blooming piece further comprises:
One transparency carrier, it is the plate body of printing opacity;
One brightness enhancement layer is arranged at a surface of this transparency carrier; And
One diffusion layer is arranged at this transparency carrier another surface with respect to this brightness enhancement layer, and this diffusion layer comprises:
One transparent medium, this transparent medium are arranged at this transparency carrier another surface with respect to this brightness enhancement layer, and wherein the surface of this transparent medium is concavo-convex coarse structure,
A plurality of scattering particles, described scattering particle are to intersperse among in this transparent medium with irregularly shaped.
2. blooming piece as claimed in claim 1 is characterized in that, the surface of contiguous this brightness enhancement layer of this transparency carrier is an exiting surface, and contiguous this diffusion layer of this transparency carrier is an incidence surface.
3. blooming piece as claimed in claim 1 is characterized in that, the surface of contiguous this brightness enhancement layer of this transparency carrier is an incidence surface, and contiguous this diffusion layer of this transparency carrier is an exiting surface.
4. blooming piece as claimed in claim 1 is characterized in that this brightness enhancement layer is made up of a plurality of microstructure, and this microstructure is selected from by water chestnut mirror, Fresnel Lenses and cylindrical lens is formed microstructure in the group.
5. blooming piece as claimed in claim 1 is characterized in that, this brightness enhancement layer, this transparency carrier, this diffusion layer are identical material.
6. blooming piece as claimed in claim 5 is characterized in that, this brightness enhancement layer, this transparency carrier, this diffusion layer are to be made into integration.
7. blooming piece as claimed in claim 1 is characterized in that, this blooming piece more comprises a diffusion optically focused microstructure, and this diffusion optically focused microstructure is arranged at the surface that this brightness enhancement layer differs from this transparency carrier one side.
8. blooming piece as claimed in claim 7 is characterized in that, this diffusion optically focused microstructure has wavy surface, and the radius-of-curvature of this wavy surface is between the scope of 5 μ m to 100 μ m.
9. blooming piece as claimed in claim 7 is characterized in that this brightness enhancement layer has wavy surface, and the radius-of-curvature of this wavy surface is between the scope of 0.05mm to 30mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201425432U CN201041589Y (en) | 2007-05-21 | 2007-05-21 | Optical film slice |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201425432U CN201041589Y (en) | 2007-05-21 | 2007-05-21 | Optical film slice |
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| Publication Number | Publication Date |
|---|---|
| CN201041589Y true CN201041589Y (en) | 2008-03-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007201425432U Expired - Fee Related CN201041589Y (en) | 2007-05-21 | 2007-05-21 | Optical film slice |
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| Country | Link |
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| CN (1) | CN201041589Y (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105445844A (en) * | 2014-09-02 | 2016-03-30 | 深圳Tcl新技术有限公司 | Light guide plate, manufacturing method of same, and backlight module |
| CN105572790A (en) * | 2010-03-26 | 2016-05-11 | 友辉光电股份有限公司 | Optical substrate, uneven structure and method for forming uneven structure on substrate |
| CN107728372A (en) * | 2017-10-31 | 2018-02-23 | 武汉华星光电技术有限公司 | Display module and preparation method thereof |
| US9995861B2 (en) | 2010-10-20 | 2018-06-12 | 3M Innovative Properties Company | Wide band semi-specular mirror film incorporating nanovoided polymeric layer |
| CN108267922A (en) * | 2018-03-05 | 2018-07-10 | 深圳市光科全息技术有限公司 | A kind of optical film |
| CN108873146A (en) * | 2014-04-02 | 2018-11-23 | 群创光电股份有限公司 | display device |
| CN109856714A (en) * | 2018-10-23 | 2019-06-07 | 友达光电股份有限公司 | The display of light leakage prevention film assembly and application the light leakage prevention film assembly |
| CN112799247A (en) * | 2019-11-14 | 2021-05-14 | 京东方科技集团股份有限公司 | Liquid crystal display assembly, preparation method thereof and liquid crystal display |
-
2007
- 2007-05-21 CN CNU2007201425432U patent/CN201041589Y/en not_active Expired - Fee Related
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105572790A (en) * | 2010-03-26 | 2016-05-11 | 友辉光电股份有限公司 | Optical substrate, uneven structure and method for forming uneven structure on substrate |
| US9995861B2 (en) | 2010-10-20 | 2018-06-12 | 3M Innovative Properties Company | Wide band semi-specular mirror film incorporating nanovoided polymeric layer |
| US10634832B2 (en) | 2010-10-20 | 2020-04-28 | 3M Innovative Properties Company | Wide band semi-specular mirror film incorporating nanovoided polymeric layer |
| CN108873146A (en) * | 2014-04-02 | 2018-11-23 | 群创光电股份有限公司 | display device |
| CN105445844A (en) * | 2014-09-02 | 2016-03-30 | 深圳Tcl新技术有限公司 | Light guide plate, manufacturing method of same, and backlight module |
| US10761365B2 (en) | 2017-10-31 | 2020-09-01 | Wuhan China Star Optoelectronics Technology Co., Ltd. | Display module and manufacturing method |
| CN107728372B (en) * | 2017-10-31 | 2020-06-09 | 武汉华星光电技术有限公司 | Display module and manufacturing method thereof |
| CN107728372A (en) * | 2017-10-31 | 2018-02-23 | 武汉华星光电技术有限公司 | Display module and preparation method thereof |
| CN108267922A (en) * | 2018-03-05 | 2018-07-10 | 深圳市光科全息技术有限公司 | A kind of optical film |
| CN109856714A (en) * | 2018-10-23 | 2019-06-07 | 友达光电股份有限公司 | The display of light leakage prevention film assembly and application the light leakage prevention film assembly |
| CN109856714B (en) * | 2018-10-23 | 2021-06-04 | 友达光电股份有限公司 | Light leakage prevention film assembly and display using same |
| CN112799247A (en) * | 2019-11-14 | 2021-05-14 | 京东方科技集团股份有限公司 | Liquid crystal display assembly, preparation method thereof and liquid crystal display |
| CN112799247B (en) * | 2019-11-14 | 2023-02-07 | 京东方科技集团股份有限公司 | Liquid crystal display assembly, preparation method thereof and liquid crystal display |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20080326 Termination date: 20120521 |