CN102359722A - Backlight module and optical film thereof - Google Patents
Backlight module and optical film thereof Download PDFInfo
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- CN102359722A CN102359722A CN2011102173618A CN201110217361A CN102359722A CN 102359722 A CN102359722 A CN 102359722A CN 2011102173618 A CN2011102173618 A CN 2011102173618A CN 201110217361 A CN201110217361 A CN 201110217361A CN 102359722 A CN102359722 A CN 102359722A
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- sheet feeding
- blooming
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- 239000012788 optical film Substances 0.000 title abstract 3
- 238000009792 diffusion process Methods 0.000 claims abstract description 112
- 230000003287 optical effect Effects 0.000 claims description 17
- 239000000463 material Substances 0.000 claims description 15
- 239000003595 mist Substances 0.000 claims description 10
- 239000002245 particle Substances 0.000 claims description 7
- 230000001788 irregular Effects 0.000 claims description 6
- 230000015572 biosynthetic process Effects 0.000 claims description 3
- 239000000758 substrate Substances 0.000 abstract 2
- 230000000694 effects Effects 0.000 description 9
- 238000003306 harvesting Methods 0.000 description 9
- 238000004519 manufacturing process Methods 0.000 description 5
- 238000009825 accumulation Methods 0.000 description 3
- 239000006185 dispersion Substances 0.000 description 1
- 230000009931 harmful effect Effects 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- 238000012797 qualification Methods 0.000 description 1
- 230000011514 reflex Effects 0.000 description 1
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- Planar Illumination Modules (AREA)
Abstract
An optical film comprises a substrate, a plurality of first light collecting structures, a plurality of first diffusion structures, a plurality of second light collecting structures and a plurality of second diffusion structures. The substrate is provided with a light-out surface and a light-in surface which are opposite to each other, and the first light collecting structures and the first diffusion structures are alternately arranged on the light-out surface along a preset direction. The second light collecting structures and the second diffusion structures are alternately arranged on the light incident surface along the preset direction. In addition, the invention also provides a backlight module using the optical film.
Description
Technical field
The invention relates to a kind of light supply apparatus, and particularly relevant for a kind of backlight module and blooming thereof.
Background technology
LCD comprises display panels and backlight module, wherein because display panels itself is not luminous, so need to provide display panels required display light source through backlight module.
Fig. 1 is the sketch map of known a kind of backlight module.Please with reference to Fig. 1; Known backlight module 100 comprises light source 110 and LGP 120; It is other that wherein light source 110 is disposed at the incidence surface 122 of LGP 120, and so that light to LGP 120 to be provided, and LGP 120 is in order to convert light from the area source of exiting surface 124 outgoing to.In addition; In order to promote the uniformity of area source; On the exiting surface 124 of LGP 120 a plurality of bloomings can be set, these bloomings, are comprised following diffusion sheet 130, following prismatic lens 140 in regular turn, go up prismatic lens 150 and go up diffusion sheet 160 to laminated by the exiting surface direction.Following diffusion sheet 130 is earlier with the area source diffusion, then carries out light harvesting through prismatic lens 140 down with 150 pairs of area sources of last prismatic lens in regular turn again, after adjust light path through last diffusion sheet 160 again, to reach the purpose of homogenising area source.
Yet the quantity of the employed blooming of known technology is too much, not only causes the thickness of backlight module 100 thicker and weight is heavier, also need spend many times assembling bloomings, causes the production efficiency of backlight module 100 relatively poor.In addition, be prone to produce assembling tolerance at the assembling blooming, and too much blooming can cause the accumulation of assembling tolerance, so that the quality of area source is caused significant harmful effect.
Summary of the invention
The present invention provides a kind of blooming, and it can be applicable in the backlight module, with the quantity of the blooming that reduces backlight module.
The present invention provides a kind of backlight module in addition, and it has, and production efficiency is preferable, thinner thickness, weight are light and the preferable advantage of area source quality.
The present invention proposes a kind of blooming, comprises base material, a plurality of first sheet feeding type, a plurality of first diffusion structure, a plurality of second sheet feeding type and a plurality of second diffusion structure.Base material has relative exiting surface and incidence surface, and first sheet feeding type and first diffusion structure alternately are arranged in exiting surface along predetermined direction.Second sheet feeding type and second diffusion structure alternately are arranged in incidence surface along said predetermined direction.
In one embodiment of this invention, above-mentioned each first sheet feeding type and each second sheet feeding type comprise at least one prism columns respectively, and the axis of prism columns is in said predetermined direction.
In one embodiment of this invention, above-mentioned prism columns is triangular prism or semicolumn.
In one embodiment of this invention, above-mentioned prism columns has the depression of extending along the direction of major axis, is positioned at two end faces of depression both sides and the bottom surface that is positioned at depression with formation, and end face is convex surface, and the bottom surface is a concave curved surface.
In one embodiment of this invention, the difference in height of the top of each above-mentioned end face and the bottom of bottom surface is between 1 micron to 30 microns, and the spacing of the said predetermined direction in top and edge, bottom is greater than 1 micron.
In one embodiment of this invention, above-mentioned each first sheet feeding type and each second sheet feeding type along the height of the direction of vertical incidence surface and exiting surface between 1 micron to 50 microns.
In one embodiment of this invention, above-mentioned each first diffusion structure and each second diffusion structure are respectively atomizing layer, and the thickness of atomizing layer is between 1 micron to 30 microns.
In one embodiment of this invention, above-mentioned each first diffusion structure and each second diffusion structure are respectively atomizing layer, and the mist degree of first diffusion structure is between 5%～60%, and the mist degree of second diffusion structure is between 5%～90%.
In one embodiment of this invention, above-mentioned each first diffusion structure and each second diffusion structure are respectively atomizing layer, and dispose a plurality of diffusion particles in the atomizing layer.
In one embodiment of this invention, above-mentioned each first diffusion structure and each second diffusion structure are respectively atomizing layer, and atomizing layer comprises first dielectric layer and second dielectric layer that piles up mutually.The refractive index of first dielectric layer is greater than the refractive index of second dielectric layer; The contact-making surface of first dielectric layer and second dielectric layer is irregular; First dielectric layer of first diffusion structure be positioned at second dielectric layer and base material between, and second dielectric layer of second diffusion structure be positioned at first dielectric layer and base material between.
In one embodiment of this invention, the difference of the refractive index of the refractive index of the first above-mentioned dielectric layer and second dielectric layer is 0.05.
In one embodiment of this invention; The base area with the exiting surface contact of above-mentioned each first diffusion structure is identical with the base area that contacts with exiting surface of each first sheet feeding type, and the base area with the incidence surface contact of each second diffusion structure is identical with the base area that contacts with incidence surface of each second sheet feeding type.
In one embodiment of this invention, the first above-mentioned sheet feeding type is corresponding with second diffusion structure, and first diffusion structure is corresponding with second sheet feeding type.The bottom surface of first sheet feeding type is just overlapping fully with the bottom surface of second diffusion structure in the orthographic projection of incidence surface, and the bottom surface of first diffusion structure is just overlapping fully with the bottom surface of second sheet feeding type in the orthographic projection of incidence surface.
In one embodiment of this invention, the first above-mentioned sheet feeding type is corresponding with second diffusion structure, and first diffusion structure is corresponding with second sheet feeding type.
The present invention proposes a kind of backlight module in addition, comprises optical sheet, light source, two above-mentioned bloomings.Light source is disposed at by the optical sheet, to provide light to optical sheet.Blooming is stacked and placed on the light direction of optical sheet, and the vertical predetermined direction of a slice blooming in addition of predetermined direction of a slice blooming wherein.
In backlight module of the present invention and blooming,, light is spread and the effect of light harvesting so have because of the incidence surface and the exiting surface of base material all is provided with diffusion structure and sheet feeding type.Change speech, the employed a slice diffusion sheet of a slice blooming instead known technology of the present invention and a slice prismatic lens, therefore backlight module of the present invention only need use two bloomings can make the quality of area source meet demand, so can promote production efficiency.
For let above-mentioned and other purposes of the present invention, feature and advantage can be more obviously understandable, hereinafter is special lifts preferred embodiment, and cooperates appended graphicly, elaborates as follows.
Description of drawings
Fig. 1 is the sketch map of known a kind of backlight module.
Fig. 2 is the sketch map of the backlight module of one embodiment of the invention.
Fig. 3 is the schematic perspective view of two bloomings among Fig. 2.
Fig. 4 is the generalized section of the blooming of another embodiment of the present invention.
Fig. 5 is the generalized section of the blooming of another embodiment of the present invention.
Fig. 6 is the generalized section of the blooming of another embodiment of the present invention.
Description of reference numerals
The specific embodiment
Fig. 2 is the sketch map of the backlight module of one embodiment of the invention, and Fig. 3 is the schematic perspective view of two bloomings among Fig. 2.Please with reference to Fig. 2 and Fig. 3, the backlight module 200 of present embodiment comprises optical sheet 210, light source 220 and two blooming 300a, 300b.It is other that light source 220 is disposed at optical sheet 210, and so that light 222 to optical sheet 210 to be provided, and blooming 300a, 300b are stacked and placed on the light direction of optical sheet 210.The backlight module 200 of present embodiment for example is the backlight module of side incident type, so be as optical sheet 210 with LGP.Optical sheet 210 can convert the light that light source 220 provides from the area source of exiting surface 212 outgoing to, and can be provided with reflector plate 230 in the bottom surface 214 of optical sheet 210, reflexes to exiting surface 212 with the light 222 that will get into optical sheet 210, and then promotes light utilization efficiency.In addition, in the embodiment of direct type backlight module, can select for use diffuser plate as optical sheet.
Above-mentioned blooming 300a, 300b comprise base material 310, a plurality of first sheet feeding type 320, a plurality of first diffusion structure 330, a plurality of second sheet feeding type 340 and a plurality of second diffusion structure 350.Base material 310 has relative incidence surface 312 and exiting surface 314; First sheet feeding type 320 and first diffusion structure 330 alternately are arranged in exiting surface 314 along predetermined direction, and the said predetermined direction of second sheet feeding type 340 and second diffusion structure, 350 edges alternately is arranged in incidence surface 312.In the present embodiment, blooming 300a is different with the predetermined direction of blooming 300b, and wherein the predetermined direction of blooming 300a for example is the X axle, and the predetermined direction of blooming 300b for example is perpendicular to the Y axle of X axle.Change speech, first sheet feeding type 320 of blooming 300a and first diffusion structure 330 are alternately arranged along the X axle, and second sheet feeding type 340 of blooming 300a and second diffusion structure 350 are also along the alternately arrangement of X axle.First sheet feeding type 320 of blooming 300b and first diffusion structure 330 are alternately arranged along the Y axle, and second sheet feeding type 340 of blooming 300b and second diffusion structure 350 are also alternately arranged along the Y axle.
In the present embodiment, first sheet feeding type 320 of blooming 300a, 300b is corresponding with second diffusion structure 350, and first diffusion structure 330 is corresponding with second sheet feeding type 340.In addition; Each first sheet feeding type 320 comprises at least one prism columns 322; Each second sheet feeding type 340 comprises at least one prism columns 342; And be to be example with two prism columns at this, but the present invention does not limit the quantity of the prism columns of each first sheet feeding type 320 or each second sheet feeding type 340.Prism columns 322,342 for example is a triangular prism, and the major axis of prism columns 322,342 for example is perpendicular to said predetermined direction.That is the axis of the prism columns 322,342 of blooming 300a is in the X axle, and the axis of the prism columns 322,342 of blooming 300b is in the Y axle.But the present invention does not limit the major axis of prism columns 322,342 and needs perpendicular to said predetermined direction.In addition, each first sheet feeding type 320 and each second sheet feeding type 340 for example are between 1 micron to 50 microns along the height of vertical incidence surface 312 and the direction (being the Z axle) of exiting surface 314, but this does not exceed.
Hold above-mentionedly, each first diffusion structure 330 for example is respectively atomizing layer with each second diffusion structure 350, and the mist degree of first diffusion structure 330 for example is between 5%～60%, and the mist degree of second diffusion structure 350 for example is between 5%～90%.In one embodiment, the mist degree of first diffusion structure 330 for example is the mist degree less than second diffusion structure 350.In addition, for example be provided with a plurality of diffusion particles 301 in the atomizing layer of present embodiment, to adjust the mist degree of atomizing layer through the distribution density of diffusion particle 301.In addition, the thickness of atomizing layer for example is between 1 micron to 30 microns, but this does not exceed.
In the blooming 300a/300b of present embodiment; Because of the exiting surface 314 of base material 310 is provided with first diffusion structure 320 and first sheet feeding type 330; Incidence surface 312 is provided with second diffusion structure 340 and second sheet feeding type 350; And first sheet feeding type 320 is corresponding with second diffusion structure 350, and first diffusion structure 330 is corresponding with second sheet feeding type 340, so each sheet blooming 300a, 300b have simultaneously light is spread and the effect of light harvesting.Particularly, as shown in Figure 2, the light 223 that is passed to second diffusion structure 350 of blooming 300a can produce refraction and scattering because of the effect of diffusion particle 301, and can be through first sheet feeding type 330 through the part light 223 ' of second diffusion structure 350.When light 223 ' during from 330 outgoing of first sheet feeding type, first sheet feeding type 330 can make the dispersion angle of light 223 ' diminish, and then reaches the effect of light harvesting.In addition, the light 224 of second sheet feeding type 340 that is passed to blooming 300a is earlier by behind second sheet feeding type, 340 light harvestings and be passed to first diffusion structure 330.Then, the diffusion particle 301 in first diffusion structure 330 can make light 224 scatterings, and reaches the effect of diffusion light.In addition, about blooming 300b to light spread and the mechanism of light harvesting similar with blooming 300a, no longer repeat at this.
Hold above-mentionedly, blooming 300a, 300b have simultaneously light are spread and the effect of light harvesting, so the employed a slice diffusion sheet of instead known technology and a slice prismatic lens.Particularly, the following diffusion sheet 130 that present embodiment uses blooming 300a to replace Fig. 1 reaches prismatic lens 140 down, and uses blooming 300b to replace last prismatic lens 150 and the diffusion sheet 160 of Fig. 1.Therefore, the backlight module 300 of present embodiment only need use two blooming 300a, 300b can make the quality of area source reach the area source quality of the backlight module 100 of Fig. 1.Compared to known technology, the backlight module 300 of present embodiment uses the negligible amounts of blooming, so can reduce integral thickness and weight.In addition, because present embodiment uses less blooming, the packaging efficiency that therefore can promote backlight module 300 to be reducing production costs, and the accumulation that reduces assembling tolerance is to promote the quality of area source.
In order to make blooming 300a, 300b reach preferable effect; Each first diffusion structure 330 and the ratio of each first sheet feeding type 320 be can limit, and each second diffusion structure 350 and the ratio of each second sheet feeding type 340 limited at the distribution area of incidence surface 312 at the distribution area of exiting surface 314.In a preferred embodiment, first sheet feeding type 320 is corresponding with second diffusion structure 350, and first diffusion structure 330 is corresponding with second sheet feeding type 340.It is each first diffusion structure 330 that for example bottom surface 321 areas that contacts with exiting surface 314 with each first sheet feeding type 320 are identical with bottom surface 331 areas exiting surface 314 contact, and bottom surface 351 areas that contact with incidence surface 312 of each second diffusion structure 350 for example bottom surface 341 areas that contact with incidence surface 312 with each second sheet feeding type 340 are identical.Change speech; The bottom surface 321 of first sheet feeding type 320 is just overlapping fully with the bottom surface 351 of second diffusion structure 350 in the orthographic projection of incidence surface 312, and the bottom surface 331 of first diffusion structure 330 is just overlapping fully with the bottom surface 341 of second sheet feeding type 340 in the orthographic projection of incidence surface 312.So, can guarantee that most of light through blooming 300a or 300b the time, can both spread by the sheet feeding type light harvesting and by diffusion structure.
The prism columns of first sheet feeding type 320 and second sheet feeding type 340 can also be other shapes except can be triangular prism, below will lift the embodiment of two different prism columns again, but it is not in order to limit the shape of prism columns of the present invention.In the embodiment shown in fig. 4, prism columns 322 ', 342 ' is a semicolumn.In another embodiment shown in Figure 5, first sheet feeding type 320 ' for example comprises a prism columns, but the present invention does not limit the quantity of the prism columns of first sheet feeding type.This prism columns has the depression 323 of extending along the direction of the major axis of prism columns, is positioned at two end faces 324 of depression 323 both sides and the bottom surface 325 that is positioned at depression 323 with formation, and end face 324 is convex surface, and bottom surface 325 is a concave curved surface.The difference in height D1 of the bottom of the top of each end face 324 and bottom surface 325 is for example between 1 micron to 30 microns, and the space D 2 of the said predetermined direction in top and edge, bottom is for example greater than 1 micron.In addition, the shape of second sheet feeding type 340 ' for example is identical with the shape of first sheet feeding type 320 '.
Be noted that though above-mentioned first sheet feeding type and second sheet feeding type all are to be example with at least one prism columns, in other embodiments, each prism columns also can be by replacing along a plurality of vertebra shape bodies arranged in a straight line.In addition, though in the foregoing description, atomizing layer is to utilize the effect that diffusion particle reaches atomizing is set, the present invention does not limit the structure of atomizing layer.With blooming shown in Figure 6 is example, and its first diffusion structure 330 ' is an atomizing layer, and comprises first dielectric layer 332 and second dielectric layer 334 that piles up mutually, wherein first dielectric layer 332 be positioned at second dielectric layer 334 and base material 310 between.The refractive index of first dielectric layer 332 is greater than the refractive index of second dielectric layer 334, and the contact-making surface 333 of first dielectric layer 332 and second dielectric layer 334 is irregular.Second diffusion structure 350 ' is an atomizing layer also, and comprises first dielectric layer 352 and second dielectric layer 354 that piles up mutually, wherein second dielectric layer 354 be positioned at first dielectric layer 352 and base material 310 between.The refractive index of first dielectric layer 352 is greater than the refractive index of second dielectric layer 354, and the contact-making surface 353 of first dielectric layer 352 and second dielectric layer 354 is irregular.
The irregular contact-making surface 333,353 that is mentioned above is to have the just irregular surface of fluctuating; And refractive index difference because of interconnected two dielectric layers; So light can so can reach the purpose of diffusion light in the refraction and the scattering of contact-making surface 333,353 generation different angles.The modes such as difference of the refractive index between shape and first dielectric layer 332,352 and second dielectric layer 334,354 that in the present embodiment, can be through adjustment contact-making surface 333,353 are adjusted the mist degree of atomizing layer.In a preferred embodiment, the difference of the refractive index of the refractive index of first dielectric layer 332,352 and second dielectric layer 334,354 for example is 0.05.
In sum; In backlight module of the present invention and blooming; Because of the incidence surface and the exiting surface of base material all is provided with diffusion structure and sheet feeding type, so have light is spread and the effect of light harvesting, so but a slice diffusion sheet of a slice blooming known technology of the present invention and a slice prismatic lens.Therefore so, backlight module of the present invention only need use two bloomings can make the quality of area source meet demand, has thin thickness, in light weight and advantage that production efficiency is good, but also can reduce the accumulation of assembling tolerance, to promote the quality of area source.
Though the present invention with preferred embodiment openly as above; Right its is not that any those skilled in the art are not breaking away from the spirit and scope of the present invention in order to qualification the present invention; When can doing a little change and retouching, so protection scope of the present invention is as the criterion with claims.
Claims (15)
1. blooming comprises:
One base material has a relative exiting surface and an incidence surface;
A plurality of first sheet feeding types are disposed at this exiting surface;
A plurality of first diffusion structures are disposed at this exiting surface, and those first sheet feeding types and those first diffusion structures alternately are arranged in this exiting surface along a predetermined direction;
A plurality of second sheet feeding types are disposed at this incidence surface; And
A plurality of second diffusion structures are disposed at this incidence surface, and those second sheet feeding types and those second diffusion structures alternately are arranged in this incidence surface along this predetermined direction.
2. blooming as claimed in claim 1 is characterized in that, each first sheet feeding type and each second sheet feeding type comprise at least one prism columns respectively, and an axis of this prism columns is in this predetermined direction.
3. blooming as claimed in claim 2 is characterized in that, this prism columns is triangular prism or semicolumn.
4. blooming as claimed in claim 2; It is characterized in that this prism columns has a depression of extending along the direction of this major axis, a bottom surface that is positioned at two end faces of these depression both sides and is positioned at this depression with formation; And those end faces are convex surface, and this bottom surface is a concave curved surface.
5. blooming as claimed in claim 4 is characterized in that, the difference in height of a top of each end face and a bottom of this bottom surface is between 1 micron to 30 microns, this top and this bottom along the spacing of this predetermined direction greater than 1 micron.
6. blooming as claimed in claim 1 is characterized in that, each first sheet feeding type and each second sheet feeding type along the height of the direction of vertical this incidence surface and this exiting surface between 1 micron to 50 microns.
7. blooming as claimed in claim 1 is characterized in that, each first diffusion structure and each second diffusion structure are respectively an atomizing layer, and the thickness of this atomizing layer is between 1 micron to 30 microns.
8. blooming as claimed in claim 1 is characterized in that, each first diffusion structure and each second diffusion structure are respectively an atomizing layer, and the mist degree of this first diffusion structure is between 5%～60%, and the mist degree of this second diffusion structure is between 5%～90%.
9. blooming as claimed in claim 1 is characterized in that, each first diffusion structure and each second diffusion structure are respectively an atomizing layer, dispose a plurality of diffusion particles in this atomizing layer.
10. blooming as claimed in claim 1; It is characterized in that; Each first diffusion structure and each second diffusion structure are respectively an atomizing layer; This atomizing layer comprises one first dielectric layer and one second dielectric layer that piles up mutually, and the refractive index of this first dielectric layer is greater than the refractive index of this second dielectric layer, and the contact-making surface of this first dielectric layer and this second dielectric layer is irregular; This first dielectric layer of this first diffusion structure be positioned at this second dielectric layer and this base material between, this second dielectric layer of this second diffusion structure be positioned at this first dielectric layer and this base material between.
11. blooming as claimed in claim 10 is characterized in that, the difference of the refractive index of the refractive index of this first dielectric layer and this second dielectric layer is 0.05.
12. blooming as claimed in claim 1; It is characterized in that; Base area with this exiting surface contact of each first diffusion structure is identical with a base area that contacts with this exiting surface of each first sheet feeding type, and the base area with this incidence surface contact of each second diffusion structure is identical with a base area that contacts with this incidence surface of each second sheet feeding type.
13. blooming as claimed in claim 12; It is characterized in that; Those first sheet feeding types are corresponding with those second diffusion structures; Those first diffusion structures are corresponding with those second sheet feeding types, and this bottom surface of this first sheet feeding type is overlapping fully in the orthographic projection of this incidence surface this bottom surface proper and this second diffusion structure, and this bottom surface of this first diffusion structure is overlapping fully in the orthographic projection of this incidence surface this bottom surface proper and this second sheet feeding type.
14. blooming as claimed in claim 1 is characterized in that, those first sheet feeding types are corresponding with those second diffusion structures, and those first diffusion structures are corresponding with those second sheet feeding types.
15. a backlight module comprises:
One optical sheet;
One light source is disposed at by this optical sheet, to provide light to this optical sheet;
Two bloomings are stacked and placed on the light direction of this optical sheet, and each blooming comprises:
One base material has a relative exiting surface and an incidence surface;
A plurality of first sheet feeding types are disposed at this exiting surface;
A plurality of first diffusion structures are disposed at this exiting surface, and those first sheet feeding types and those first diffusion structures alternately are arranged in this exiting surface along a predetermined direction;
A plurality of second sheet feeding types are disposed at this incidence surface; And
A plurality of second diffusion structures are disposed at this incidence surface, and those second sheet feeding types and those second diffusion structures alternately are arranged in this incidence surface along this predetermined direction;
Wherein, vertical those bloomings of those bloomings this predetermined direction of one wherein another this predetermined direction wherein.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| TW100118343 | 2011-05-25 | ||
| TW100118343A TWI439736B (en) | 2011-05-25 | 2011-05-25 | Backlight module and optical film thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102359722A true CN102359722A (en) | 2012-02-22 |
| CN102359722B CN102359722B (en) | 2013-01-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201110217361 Expired - Fee Related CN102359722B (en) | 2011-05-25 | 2011-07-22 | Backlight module and optical film thereof |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN102359722B (en) |
| TW (1) | TWI439736B (en) |
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| CN102830460A (en) * | 2012-08-06 | 2012-12-19 | 北京京东方光电科技有限公司 | Light guide plate, prism film, backlight module and display device |
| CN107003438A (en) * | 2014-12-05 | 2017-08-01 | 盛科光学株式会社 | Diffusion sheet, lamination prismatic lens and laminated optical piece |
| CN107065047A (en) * | 2017-02-20 | 2017-08-18 | 张家港康得新光电材料有限公司 | A kind of haze brightness enhancement film |
| CN109143684A (en) * | 2018-09-27 | 2019-01-04 | 厦门天马微电子有限公司 | Backlight module and liquid crystal display die set and electronic equipment |
| CN114114756A (en) * | 2021-12-09 | 2022-03-01 | 常州华威新材料有限公司 | Interference-relieving and pressure-resisting brightness enhancement film and preparation method thereof |
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| CN102830460B (en) * | 2012-08-06 | 2017-02-15 | 北京京东方光电科技有限公司 | prism film, backlight module and display device |
| CN107003438A (en) * | 2014-12-05 | 2017-08-01 | 盛科光学株式会社 | Diffusion sheet, lamination prismatic lens and laminated optical piece |
| CN107003438B (en) * | 2014-12-05 | 2019-07-02 | 盛科光学株式会社 | Diffusion sheet, lamination prismatic lens and laminated optical piece |
| CN107065047A (en) * | 2017-02-20 | 2017-08-18 | 张家港康得新光电材料有限公司 | A kind of haze brightness enhancement film |
| CN109143684A (en) * | 2018-09-27 | 2019-01-04 | 厦门天马微电子有限公司 | Backlight module and liquid crystal display die set and electronic equipment |
| CN114114756A (en) * | 2021-12-09 | 2022-03-01 | 常州华威新材料有限公司 | Interference-relieving and pressure-resisting brightness enhancement film and preparation method thereof |
| CN114114756B (en) * | 2021-12-09 | 2023-10-03 | 常州华威新材料有限公司 | Anti-interference and compression-resistant brightness enhancement film and preparation method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102359722B (en) | 2013-01-02 |
| TW201248213A (en) | 2012-12-01 |
| TWI439736B (en) | 2014-06-01 |
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