CN102840548A - Reflecting sheet and backlight module - Google Patents
Reflecting sheet and backlight module Download PDFInfo
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- CN102840548A CN102840548A CN2012103214677A CN201210321467A CN102840548A CN 102840548 A CN102840548 A CN 102840548A CN 2012103214677 A CN2012103214677 A CN 2012103214677A CN 201210321467 A CN201210321467 A CN 201210321467A CN 102840548 A CN102840548 A CN 102840548A
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- basic unit
- reflecting piece
- refractive index
- structural
- light
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Links
- 239000000084 colloidal system Substances 0.000 claims description 13
- 238000004049 embossing Methods 0.000 claims description 7
- 239000000843 powder Substances 0.000 claims description 7
- 229920002799 BoPET Polymers 0.000 description 12
- 239000000463 material Substances 0.000 description 12
- 238000000034 method Methods 0.000 description 9
- 230000000694 effects Effects 0.000 description 6
- 239000011229 interlayer Substances 0.000 description 5
- 229920000139 polyethylene terephthalate Polymers 0.000 description 5
- 239000005020 polyethylene terephthalate Substances 0.000 description 5
- 229920000297 Rayon Polymers 0.000 description 4
- 238000007731 hot pressing Methods 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- 230000007246 mechanism Effects 0.000 description 3
- 230000011514 reflex Effects 0.000 description 3
- 238000010276 construction Methods 0.000 description 2
- 238000000605 extraction Methods 0.000 description 2
- 239000010410 layer Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 239000004033 plastic Substances 0.000 description 2
- 229920003023 plastic Polymers 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 229920005439 Perspex® Polymers 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000004973 liquid crystal related substance Substances 0.000 description 1
- 230000035800 maturation Effects 0.000 description 1
- -1 polyethylene terephthalate Polymers 0.000 description 1
- 239000004926 polymethyl methacrylate Substances 0.000 description 1
- 238000007639 printing Methods 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Images
Abstract
The invention discloses a reflector and a backlight module with the same. The first base layer has a first surface, and the first surface comprises a surface microstructure. The second base layer is provided with a second surface, the first base layer and the second base layer are combined through the first surface and the second surface, and the surface microstructure enables a plurality of gaps to be formed between the first surface and the second surface. Wherein the first base layer or the second base layer is light-permeable. Through the plurality of gaps, for example, an air chamber is formed between the first base layer and the second base layer, light entering the reflector from the outside of the light-permeable base layer can be reflected by the air interface, and the overall reflection efficiency of the reflector is further improved.
Description
[technical field]
The present invention refers to a kind of reflecting piece that can be used for backlight module especially about a kind of reflecting piece.
[background technology]
In backlight module,, be provided with reflecting piece more than LGP for improving light utilization.Mostly general reflecting piece is single sheet material, is coated with reflective coating on it again, or directly uses coloured sheet material, for example white PET (polyethylene terephthalate, PET) film.But on reality is used, still have light can pass reflecting piece, only through material characteristic reflection ray, reflection efficiency still has the upper limit.Therefore at present existing backlight module uses and contains the reflecting piece of reflection grain or powder or the reflecting piece that use contains the space, with further raising light utilization.
About the aforementioned reflecting piece that contains the space, Yu Shizuo is last, can be by prior to adding hard particles in the PET plastics, and when PET plastics drawn film forming, the hard particles place will produce the space, make the PET film that is shaped promptly have the space.So in this processing procedure, deflection (stiffness) deficiency of the PET film of individual layer in practical application, more than this upper and lower surface of PET film other diaphragms (also can be the PET film) of fitting again, improving the deflection of reflecting piece, but is also brought the complexity of processing procedure.Another kind is that the PET film is dipped in the high-pressure liquid gas as rule, and making to ooze in the PET film has liquid gas.Again through overbaking, the liquid gas of oozing in the PET film promptly expand into gaseous state after the taking-up, forms the space in the PET film.So in this processing procedure, the PET film thickness after the expansion increases, and the successive process of still needing is usually cutd open partly or flattened, to obtain the reflecting piece of desired thickness.Diaphragm is cutd open half, and the thickness of the PET film that dissects is wayward; Be prone to make the space in the PET film to dwindle and flatten processing procedure, reduce the light reflection efficiency of reflecting piece.
[summary of the invention]
In view of the problem in the prior art, one of the object of the invention is to provide a kind of reflecting piece, adopts multilayer basic unit to combine to make, and between basic unit, utilizes surface micro-structure to form the space, to increase the light reflection efficiency of this reflecting piece.
Reflecting piece of the present invention comprises one first basic unit and one second basic unit.This first basic unit has a first surface, and this first surface comprises a surface micro-structure.This second basic unit has a second surface, and this first basic unit combines via this first surface and this second surface with this second basic unit, and this surface micro-structure makes and forms a plurality of spaces between this first surface and this second surface.Wherein, this first basic unit or this second basic unit are light-permeable.Be present between this first basic unit and this second basic unit through these a plurality of spaces; No matter light is from the outside reflecting piece that gets into of this first basic unit or this first basic unit; All can be reflected by the interface between space and this first basic unit and this first basic unit effectively, and then promote the reflection efficiency of this reflecting piece.In addition; The film material manufacture of maturation commonly used at present all can be adopted by first basic unit of the present invention and second basic unit; Reflecting piece of the present invention can directly be integrated in the present film material processing procedure; So repeatedly pad pasting or diaphragm cut open half manufacture in the prior art, reflecting piece of the present invention can be made with more simple and reliable processing procedure, and then solves that the reflecting piece deflection is not enough in the prior art, thickness is wayward or cause problems such as reflection efficiency reduction because of flattening processing procedure.
Another object of the present invention is to provide a kind of backlight module, have reflecting piece of the present invention, to increase the whole light extraction efficiency of backlight module.
Backlight module of the present invention comprises a light source module, a backboard and a reflecting piece.This reflecting piece is arranged between this light source module and this backboard and comprises one first basic unit and one second basic unit.This first basic unit has a first surface, and this first surface comprises a surface micro-structure.This second basic unit has a second surface, and this first basic unit combines via this first surface and this second surface with this second basic unit, and this surface micro-structure makes and forms a plurality of spaces between this first surface and this second surface.Wherein, this first basic unit or this second basic unit are light-permeable.Likewise, this reflecting piece utilizes these a plurality of spaces to be present between this first basic unit and this second basic unit promoting the reflection efficiency of this reflecting piece, and then increases the whole light extraction efficiency of backlight module.
Can graphicly further be understood through following detailed Description Of The Invention and appended about advantage of the present invention and spirit.
[description of drawings]
Fig. 1 is the profile of the backlight module of preferred embodiment one of according to the present invention.
Fig. 2 is the profile according to the backlight module of another embodiment.
Fig. 3 is the profile according to the reflecting piece of another preferred embodiment of the present invention.
Fig. 4 is the profile according to the reflecting piece of another preferred embodiment of the present invention.
Fig. 5 is the profile according to the reflecting piece of another preferred embodiment of the present invention.
[main element symbol description]
1 backlight module
12 light source modules, 14 backboards
16,36,56,76 reflecting piece, 162,362 first basic units
164,364 second basic units, 166,366,566,766 spaces
1622,3622 first surfaces
1622a, 3622a, 5622a, 7622a first surface micro-structural
1624,1644,3624,3644 high reflective powder
1642,3642 second surface 3642a, 7642a second surface micro-structural
The H1 gross thickness H2 embossing degree of depth
H3 maximum height H4 minimum constructive height
[specific embodiment]
See also Fig. 1, it is the profile of the backlight module 1 of preferred embodiment one of according to the present invention.Backlight module 1 comprise a light source module 12, a backboard 14 and be arranged at light source module 12 and backboard 14 between one of reflecting piece 16.In present embodiment; Backlight module 1 is in order to provide face backlight, required backlight of LCD for example, and Yu Shizuo is last; Light source module 12 comprises light source and LGP usually; This LGP is used to conduct, spread the light from this light emitted, and light source module 12 is LGP in the part shown in Fig. 1, but the present invention is not as limit.For example in practical application, light source module of the present invention can directly be general light source also.Backboard 14 can be the structural member of backlight module 1, so that the support structure of light source module 12 and reflecting piece 16 to be provided.Yu Shizuo is last, and backboard 14 can be integrated with the structure of application apparatus (like the foregoing liquid crystal display), in addition, and the structural design of the also visual reflecting piece 16 of the backboard 14 and light reflection function of a part can be provided.But the present invention is not all as limit.
In present embodiment, reflecting piece 16 comprises one first basic unit 162 and one second basic unit 164.First basic unit 162 and the second base material basic unit 164 are light-permeable, for example process with the PET film, but the present invention are not as limit.First basic unit 162 has a first surface 1622, and first surface 1622 comprises a first surface micro-structural 1622a.Second basic unit 164 has a second surface 1642, and second surface 1642 is a flat surfaces.First basic unit 162 combines via first surface 1622 and second surface 1642 with second basic unit 164.Utilize first surface micro-structural 1622a contact second surface 1642, form a plurality of spaces 16 in first surface 1622 and 1642 of second surfaces.By this, between first basic unit 162 and second basic unit 164, form the air interlayer of forming by a plurality of spaces 166, can produce refractive index difference, so can promote the reflection efficiency of reflecting piece 16 integral body.In present embodiment, light is illustrated shown in arrow among Fig. 1 from the path that light source module 12 got into and reflected reflecting piece 16; Path wherein is merely the direct of travel of summary signal light, the angle of non-finger actual light line reflection, refraction.In addition, utilize the difference of medium refraction index can know for knowing art, about this principle, in hereinafter will not specifying in addition with the effect that can produce total reflection.
What remark additionally is that part light still can be the interface partial reflection at least of 164 in the space 166 and second basic unit behind first basic unit, 162 entering spaces 166, also be of value to the reflection efficiency that promotes reflecting piece 16 integral body.Yu Shizuo is last, second basic unit 164 light-permeable whether no matter, and reflecting piece 16 all can obtain the effect of overall reflective improved efficiency through the existence of air interlayer.In addition, in present embodiment, the high reflective powder 1624 that distributes in first basic unit 162 can further increase reflecting piece 16 overall reflective efficient.In addition, because of in present embodiment, second basic unit 164 is light-permeable also, so the high reflective powder 1644 that in the second base material basic unit 164, also distributes can increase reflecting piece 16 overall reflective efficient equally.In addition; Because first basic unit 162 and second basic unit, 164 equal light-permeables; Therefore on the Yu Shizuo, the configuration of reflecting piece 16 in backlight module 1 do not exceeded with person shown in Figure 1, for example in Fig. 2; Second basic unit 164 of reflecting piece 16 is between first basic unit 162 and backboard 14, and this moment, reflecting piece 16 also can obtain the effect of overall reflective improved efficiency through the existence of air interlayer.
Supplementary notes is again; When reflecting piece 16 whole light-permeables (first basic unit 162 and second basic unit, 164 equal light-permeables), Yu Shizuo is last, when different as if the refractive index of first basic unit 162 and second basic unit 164; Can one of the higher side of reflecting piece 16 refractive indexes be pressed close to light source module 12 is provided with; Make that the first base material basic unit 12 also can provide the effect of total reflection with the interface that combines of the second base material basic unit 14, and then obtains preferable integral light reflection efficiency except the air interlayer can provide the effect of total reflection.For example work as the refractive index of the refractive index of first basic unit 162 greater than second basic unit 164, can adopt the configuration like Fig. 1, light is after light source module 12 gets into first basic unit 162 at this moment, and second basic unit 164 can provide total reflection to the light in first basic unit 162.Work as the refractive index of the refractive index of second basic unit 164 greater than first basic unit 162 again, can adopt the configuration like Fig. 2, light is after light source module 12 gets into second basic unit 164 at this moment, and first basic unit 162 can provide total reflection to the light in second basic unit 164.
See also Fig. 1.Yu Shizuo is last, and first basic unit 162 combines and can cohere or hot pressing welding realization through viscose with second basic unit 164; In present embodiment, frame of broken lines is represented among its binding site such as Fig. 1.When the refractive index of this viscose during less than first basic unit 162, this viscose also can directly be filled space 166, still can bring into play the function that the present invention improves reflection efficiency; Yu Shizuo is last, and the colloid of filling in the space 166 can differ from the viscose that is used to combine first basic unit 162 and second basic unit 164.What remark additionally is; Based on the leading portion explanation; Reflecting piece 16 both sides of present embodiment all can act on the reflecting surface of reflection source module 12; So in principle, the refractive index of filling the colloid in the space 166 is suitable all less than the refractive index of first basic unit 162 and second basic unit 164, all can obtain the effect of utilizing space 166 integrally formed interface layer to promote reflection efficiency down to dispose in aforementioned both sides.If the setting of reflecting piece 16 is definite, then the relation of the refractive index of the refractive index of this colloid and first basic unit 162 and second basic unit 164 can be further specific, to obtain better reflection efficiency.For example in the configuration of Fig. 1, the refractive index of first basic unit 162 is greater than the refractive index of this colloid, and the refractive index of this colloid is greater than the refractive index of second basic unit 164; In the configuration of Fig. 2, the refractive index of second basic unit 164 is greater than the refractive index of this colloid, and the refractive index of this colloid is greater than the refractive index of first basic unit 162.
See also Fig. 1, in present embodiment, first surface micro-structural 3622a is a regular boss structure, for example form with roller hot pressing, but the present invention is not as limit.First basic unit 162 and second basic unit 164 have a gross thickness H1, and this rule boss structure has an embossing depth H 2, and embossing depth H 2 is less than 1/4th of this gross thickness H1, but the present invention is not as limit.In addition, in present embodiment, this rule boss structure is done so that the trapezoid cross section is real, but the present invention is not as limit.
See also Fig. 3, it is the profile according to the reflecting piece 36 of another preferred embodiment of the present invention.Reflecting piece 36 comprises one first basic unit 362 and one second basic unit 364; First basic unit 362 has a first surface 3622; First surface 3622 comprises a first surface micro-structural 3622a; Second basic unit 364 has a second surface 3642, and this second surface 3642 comprises a second surface micro-structural 3642a, and first basic unit 362 combines via first surface 3622 and second surface 3642 with second basic unit 364; Utilize first surface micro-structural 3622a to contact, form a plurality of spaces 366 in first surface 3622 and 3642 of second surfaces with second surface micro-structural 3642a.By this, between first basic unit 362 and second basic unit 364, form the air interlayer of forming by a plurality of spaces 366, can produce refractive index difference, so can promote the reflection efficiency of reflecting piece 36 integral body.In practical application, reflecting piece 36 can be used in the backlight module, and its configuration can be consulted the configuration of aforementioned reflecting piece 16 in backlight module 1, and the reflex mechanism of reflecting piece 36 is identical with reflecting piece 16 essence, does not give unnecessary details in addition.
In present embodiment, identical on first basic unit 362 and second basic unit 364 geometries, but the present invention is not as limit.In addition, like aforementioned explanation about reflecting piece 16, first basic unit 362 and second basic unit 364 can optionally use light-transmitting materials to make according to the practical application situation.Yu Shizuo is last, and first basic unit 362 and second basic unit 364 can all adopt light-transmitting materials and make with the ability printing opacity, for example make with perspex film material; At this moment, in practical application, for example be applied to backlight module, the user can directly be arranged at reflecting piece 36 on its LGP, and need not painstakingly to consider that the basic unit of reflecting piece 36 those sides is light-permeables.In addition, the high reflective powder 3624,3644 that all can distribute in first basic unit 362 and second basic unit 364 can further increase reflecting piece 36 overall reflective efficient.Supplementary notes be that in present embodiment, first basic unit 362 is identical with first basic unit, 162 essence of aforementioned reflecting piece 16, so please directly consult the related description of aforementioned first basic unit 162 about other explanations of first basic unit 362, does not give unnecessary details in addition.
See also Fig. 4, it is the profile according to the reflecting piece 56 of another preferred embodiment of the present invention.Reflecting piece 56 is roughly the same with reflecting piece 16 logical constructions; So the subelement symbol of reflecting piece 56 is continued to use the component symbol of reflecting piece 16; And reflecting piece 56 also can be used in the backlight module, and its configuration can be consulted the configuration of aforementioned reflecting piece 16 in backlight module 1, does not give unnecessary details in addition.Reflecting piece 56 is realized by a rough surface with being in the first surface micro-structural 5622a of reflecting piece 56 of reflecting piece 16 main differences, for example form with shaggy roller hot pressing, but the present invention is not as limit.So these 56 in a plurality of spaces utilize the smooth second surface 1642 of first surface micro-structural 5622a contact to be formed at 1642 of first surface 1622 and second surfaces.The reflex mechanism of reflecting piece 56 is identical with reflecting piece 16 essence, does not give unnecessary details in addition.In present embodiment; The first surface 1622 of first basic unit 162 has a datum plane; Be shown among Fig. 4 with chain line; This rough surface relatively this datum plane has a maximum height H3 and a minimum constructive height H4, and the difference of maximum height H3 and minimum constructive height H4 is less than by 1/4th of the gross thickness H1 of first basic unit 162 and second basic unit 164, but the present invention is not as limit.In addition, about the related description that the anti-sheet 16 of light can be directly consulted in other explanations of reflecting piece 56, do not give unnecessary details in addition.
See also Fig. 5, it is the profile according to the reflecting piece 76 of another preferred embodiment of the present invention.Reflecting piece 76 is roughly the same with reflecting piece 36 logical constructions; So the subelement symbol of reflecting piece 76 is continued to use the component symbol of reflecting piece 36; And reflecting piece 76 also can be used in the backlight module, and its configuration can be consulted the configuration of aforementioned reflecting piece 16 in backlight module 1, does not give unnecessary details in addition.Reflecting piece 76 realizes by a rough surface respectively with being in the first surface micro-structural 7622a and the second surface micro-structural 7642a of reflecting piece 76 of reflecting piece 36 main differences, is formed at 3642 of first surface 3622 and second surfaces so these 766 in a plurality of spaces utilize first surface micro-structural 7622a to contact with second surface micro-structural 7642a.The reflex mechanism of reflecting piece 76 is identical with reflecting piece 36 essence, does not give unnecessary details in addition.In addition; In present embodiment; First basic unit 362 of reflecting piece 76 is identical with first basic unit, 162 essence of reflecting piece 56, please directly consults the related description of first basic unit 162 of aforementioned reflecting piece 56 about other explanations of first basic unit 362 of reflecting piece 76, does not give unnecessary details in addition.In addition, please directly consult the related description of aforementioned reflecting piece 36, do not give unnecessary details in addition about other explanations of reflecting piece 76.
The above is merely preferred embodiment of the present invention, and all equalizations of doing according to claim of the present invention change and modify, and all should belong to covering scope of the present invention.
Claims (19)
1. reflecting piece comprises:
One first basic unit has a first surface, and this first surface comprises a first surface micro-structural; And
One second basic unit has a second surface, and this first basic unit combines via this first surface and this second surface with this second basic unit, and this first surface micro-structural makes and forms a plurality of spaces between this first surface and this second surface;
Wherein, this first basic unit or this second basic unit are light-permeable.
2. reflecting piece according to claim 1 is characterized in that, fill with colloid in these a plurality of spaces, and the refractive index of this colloid is less than light-permeable person's in this first basic unit and this second basic unit refractive index.
3. reflecting piece according to claim 1 is characterized in that, this second surface is a flat surfaces, this this flat surfaces of first surface micro-structural contact.
4. reflecting piece according to claim 1 is characterized in that, this second surface of this second basic unit comprises a second surface micro-structural, and this first surface micro-structural contacts with this second surface micro-structural.
5. reflecting piece according to claim 1 is characterized in that, high reflective powder distributes in first basic unit of this light-permeable or second basic unit.
6. reflecting piece according to claim 1; It is characterized in that; This first basic unit and this second basic unit have a gross thickness; This first surface micro-structural is a rough surface, and this rough surface has a maximum height and a minimum constructive height, and the difference of this maximum height and this minimum constructive height is less than 1/4th of this gross thickness.
7. reflecting piece according to claim 1; It is characterized in that this first basic unit and this second basic unit have a gross thickness, this first surface micro-structural is a regular boss structure; This rule boss structure has an embossing degree of depth, and this embossing degree of depth is less than 1/4th of this gross thickness.
8. reflecting piece according to claim 1 is characterized in that, this first basic unit and this second basic unit are light-permeable, and the refractive index of this first basic unit equals the refractive index of this second basic unit.
9. backlight module comprises:
One light source module;
One backboard; And
One reflecting piece is arranged between this light source module and this backboard, and this reflecting piece comprises:
One first basic unit has a first surface, and this first surface comprises a first surface micro-structural; And
One second basic unit; Has a second surface; This first basic unit combines via this first surface and this second surface with this second basic unit, this first surface micro-structural makes between this first surface and this second surface and to form a plurality of spaces, and wherein this first basic unit or this second basic unit are light-permeable.
10. backlight module according to claim 9; It is characterized in that; This first basic unit is between this second basic unit and this light source module, and this first basic unit and this second basic unit are light-permeable, and the refractive index of this first basic unit is greater than the refractive index of this second basic unit.
11. backlight module according to claim 10 is characterized in that, fill with colloid in these a plurality of spaces, and the refractive index of this colloid is between the refractive index of the refractive index of this first basic unit and this second basic unit.
12. backlight module according to claim 9; It is characterized in that; This second basic unit is between this first basic unit and this light source module, and this first basic unit and this second basic unit are light-permeable, and the refractive index of this second basic unit is greater than the refractive index of this first basic unit.
13. backlight module according to claim 12 is characterized in that, fill with colloid in these a plurality of spaces, and the refractive index of this colloid is between the refractive index of the refractive index of this first basic unit and this second basic unit.
14. backlight module according to claim 9 is characterized in that, this second surface is a flat surfaces, this this flat surfaces of first surface micro-structural contact.
15. backlight module according to claim 9 is characterized in that, this second surface of this second basic unit comprises a second surface micro-structural, and this first surface micro-structural contacts with this second surface micro-structural.
16. backlight module according to claim 9 is characterized in that, high reflective powder distributes in first basic unit of this light-permeable or second basic unit.
17. backlight module according to claim 9; It is characterized in that; This first basic unit and this second basic unit have a gross thickness; This first surface micro-structural is a rough surface, and this rough surface has a maximum height and a minimum constructive height, and the difference of this maximum height and this minimum constructive height is less than 1/4th of this gross thickness.
18. backlight module according to claim 9; It is characterized in that this first basic unit and this second basic unit have a gross thickness, this first surface micro-structural is a regular boss structure; This rule boss structure has an embossing degree of depth, and this embossing degree of depth is less than 1/4th of this gross thickness.
19. backlight module according to claim 9 is characterized in that, this first basic unit and this second basic unit are light-permeable, and the refractive index of this first basic unit equals the refractive index of this second basic unit.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| TW101121093 | 2012-06-13 | ||
| TW101121093A TWI540364B (en) | 2012-06-13 | 2012-06-13 | Reflector sheet and back light module therewith |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102840548A true CN102840548A (en) | 2012-12-26 |
| CN102840548B CN102840548B (en) | 2014-09-17 |
Family
ID=47368157
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210321467.7A Expired - Fee Related CN102840548B (en) | 2012-06-13 | 2012-09-03 | Reflecting sheet and backlight module |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN102840548B (en) |
| TW (1) | TWI540364B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101419296A (en) * | 2008-12-05 | 2009-04-29 | 南通天鸿镭射科技有限公司 | Optical film for plane display and method for manufacturing same |
| US20100067257A1 (en) * | 2008-09-17 | 2010-03-18 | 3M Innovative Properties Company | Patterned adhesives for reflectors |
| US20100165472A1 (en) * | 2007-06-05 | 2010-07-01 | Asahi Kasei E-Materials Corporation | Reflecting sheet |
| CN201725048U (en) * | 2010-05-19 | 2011-01-26 | 大昱光电股份有限公司 | Optical reflecting device |
| WO2011088216A2 (en) * | 2010-01-13 | 2011-07-21 | 3M Innovative Properties Company | Illumination device having viscoelastic lightguide |
-
2012
- 2012-06-13 TW TW101121093A patent/TWI540364B/en not_active IP Right Cessation
- 2012-09-03 CN CN201210321467.7A patent/CN102840548B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20100165472A1 (en) * | 2007-06-05 | 2010-07-01 | Asahi Kasei E-Materials Corporation | Reflecting sheet |
| US20100067257A1 (en) * | 2008-09-17 | 2010-03-18 | 3M Innovative Properties Company | Patterned adhesives for reflectors |
| CN101419296A (en) * | 2008-12-05 | 2009-04-29 | 南通天鸿镭射科技有限公司 | Optical film for plane display and method for manufacturing same |
| WO2011088216A2 (en) * | 2010-01-13 | 2011-07-21 | 3M Innovative Properties Company | Illumination device having viscoelastic lightguide |
| CN201725048U (en) * | 2010-05-19 | 2011-01-26 | 大昱光电股份有限公司 | Optical reflecting device |
Also Published As
| Publication number | Publication date |
|---|---|
| TWI540364B (en) | 2016-07-01 |
| TW201350997A (en) | 2013-12-16 |
| CN102840548B (en) | 2014-09-17 |
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Granted publication date: 20140917 Termination date: 20200903 |