JP2007279746A - 光拡散板及びバックライトユニット - Google Patents
光拡散板及びバックライトユニット Download PDFInfo
- Publication number
- JP2007279746A JP2007279746A JP2007100739A JP2007100739A JP2007279746A JP 2007279746 A JP2007279746 A JP 2007279746A JP 2007100739 A JP2007100739 A JP 2007100739A JP 2007100739 A JP2007100739 A JP 2007100739A JP 2007279746 A JP2007279746 A JP 2007279746A
- Authority
- JP
- Japan
- Prior art keywords
- base sheet
- light
- plate according
- light diffusing
- diffusing plate
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 230000002093 peripheral effect Effects 0.000 claims abstract description 29
- 238000009792 diffusion process Methods 0.000 claims description 40
- 239000010419 fine particle Substances 0.000 claims description 19
- 239000002245 particle Substances 0.000 claims description 8
- 230000008878 coupling Effects 0.000 claims description 4
- 238000010168 coupling process Methods 0.000 claims description 4
- 238000005859 coupling reaction Methods 0.000 claims description 4
- 230000000149 penetrating effect Effects 0.000 abstract 1
- 230000000694 effects Effects 0.000 description 11
- 239000000463 material Substances 0.000 description 9
- 230000005540 biological transmission Effects 0.000 description 4
- 238000002834 transmittance Methods 0.000 description 3
- 239000011248 coating agent Substances 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 229920001577 copolymer Polymers 0.000 description 2
- 239000004973 liquid crystal related substance Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 229920003229 poly(methyl methacrylate) Polymers 0.000 description 2
- 239000004926 polymethyl methacrylate Substances 0.000 description 2
- 238000004528 spin coating Methods 0.000 description 2
- 239000004925 Acrylic resin Substances 0.000 description 1
- 229920000178 Acrylic resin Polymers 0.000 description 1
- VVQNEPGJFQJSBK-UHFFFAOYSA-N Methyl methacrylate Chemical compound COC(=O)C(C)=C VVQNEPGJFQJSBK-UHFFFAOYSA-N 0.000 description 1
- 239000004793 Polystyrene Substances 0.000 description 1
- PPBRXRYQALVLMV-UHFFFAOYSA-N Styrene Natural products C=CC1=CC=CC=C1 PPBRXRYQALVLMV-UHFFFAOYSA-N 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 239000011147 inorganic material Substances 0.000 description 1
- 239000010954 inorganic particle Substances 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 239000011368 organic material Substances 0.000 description 1
- 239000011146 organic particle Substances 0.000 description 1
- 239000004417 polycarbonate Substances 0.000 description 1
- 229920000515 polycarbonate Polymers 0.000 description 1
- 229920005668 polycarbonate resin Polymers 0.000 description 1
- 239000004431 polycarbonate resin Substances 0.000 description 1
- -1 polyethylene terephthalate Polymers 0.000 description 1
- 229920000139 polyethylene terephthalate Polymers 0.000 description 1
- 239000005020 polyethylene terephthalate Substances 0.000 description 1
- 239000002861 polymer material Substances 0.000 description 1
- 239000002952 polymeric resin Substances 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- 230000002195 synergetic effect Effects 0.000 description 1
- 229920003002 synthetic resin Polymers 0.000 description 1
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V5/00—Refractors for light sources
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B5/00—Optical elements other than lenses
- G02B5/02—Diffusing elements; Afocal elements
- G02B5/0205—Diffusing elements; Afocal elements characterised by the diffusing properties
- G02B5/0236—Diffusing elements; Afocal elements characterised by the diffusing properties the diffusion taking place within the volume of the element
- G02B5/0247—Diffusing elements; Afocal elements characterised by the diffusing properties the diffusion taking place within the volume of the element by means of voids or pores
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B5/00—Optical elements other than lenses
- G02B5/02—Diffusing elements; Afocal elements
- G02B5/0205—Diffusing elements; Afocal elements characterised by the diffusing properties
- G02B5/0257—Diffusing elements; Afocal elements characterised by the diffusing properties creating an anisotropic diffusion characteristic, i.e. distributing output differently in two perpendicular axes
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B5/00—Optical elements other than lenses
- G02B5/02—Diffusing elements; Afocal elements
- G02B5/0273—Diffusing elements; Afocal elements characterized by the use
- G02B5/0278—Diffusing elements; Afocal elements characterized by the use used in transmission
-
- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
- G02F1/1336—Illuminating devices
- G02F1/133602—Direct backlight
- G02F1/133606—Direct backlight including a specially adapted diffusing, scattering or light controlling members
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V2200/00—Use of light guides, e.g. fibre optic devices, in lighting devices or systems
- F21V2200/30—Use of light guides, e.g. fibre optic devices, in lighting devices or systems of light guides doped with fluorescent agents
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Nonlinear Science (AREA)
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mathematical Physics (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Optical Elements Other Than Lenses (AREA)
- Liquid Crystal (AREA)
- Vessels And Coating Films For Discharge Lamps (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| TW095112706A TW200739203A (en) | 2006-04-10 | 2006-04-10 | Diffuser plate |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JP2007279746A true JP2007279746A (ja) | 2007-10-25 |
Family
ID=38575044
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2007100739A Pending JP2007279746A (ja) | 2006-04-10 | 2007-04-06 | 光拡散板及びバックライトユニット |
Country Status (3)
| Country | Link |
|---|---|
| US (1) | US20070236944A1 (https=) |
| JP (1) | JP2007279746A (https=) |
| TW (1) | TW200739203A (https=) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TW200951566A (en) * | 2009-07-29 | 2009-12-16 | Global Lighting Technologies Taiwan Inc | Method of improving backlight module dark band |
| CN104950510A (zh) * | 2015-07-06 | 2015-09-30 | 张家港康得新光电材料有限公司 | 光学薄膜及背光单元 |
| CN213513426U (zh) * | 2020-11-10 | 2021-06-22 | 欧普照明股份有限公司 | 光学器件及照明灯具 |
| CN115407439A (zh) * | 2022-09-14 | 2022-11-29 | 马鞍山晶智科技有限公司 | 一种扩散增亮复合膜片及背光模组 |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0933705A (ja) * | 1995-07-20 | 1997-02-07 | Sekisui Chem Co Ltd | 光制御シート |
| JP2006119631A (ja) * | 2004-09-27 | 2006-05-11 | Sumitomo Chemical Co Ltd | 光拡散板 |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5825543A (en) * | 1996-02-29 | 1998-10-20 | Minnesota Mining And Manufacturing Company | Diffusely reflecting polarizing element including a first birefringent phase and a second phase |
| US6256146B1 (en) * | 1998-07-31 | 2001-07-03 | 3M Innovative Properties | Post-forming continuous/disperse phase optical bodies |
| AU2515200A (en) * | 1999-09-20 | 2001-04-24 | 3M Innovative Properties Company | Optical films having at least one particle-containing layer |
| US7327415B2 (en) * | 2001-12-14 | 2008-02-05 | Rohm And Haas Denmark Finance A/S | Microvoided light diffuser |
| WO2006055872A2 (en) * | 2004-11-17 | 2006-05-26 | Fusion Optix, Inc. | Enhanced light fixture |
| US7406239B2 (en) * | 2005-02-28 | 2008-07-29 | 3M Innovative Properties Company | Optical elements containing a polymer fiber weave |
| US20070236939A1 (en) * | 2006-03-31 | 2007-10-11 | 3M Innovative Properties Company | Structured Composite Optical Films |
-
2006
- 2006-04-10 TW TW095112706A patent/TW200739203A/zh not_active IP Right Cessation
-
2007
- 2007-04-03 US US11/696,171 patent/US20070236944A1/en not_active Abandoned
- 2007-04-06 JP JP2007100739A patent/JP2007279746A/ja active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0933705A (ja) * | 1995-07-20 | 1997-02-07 | Sekisui Chem Co Ltd | 光制御シート |
| JP2006119631A (ja) * | 2004-09-27 | 2006-05-11 | Sumitomo Chemical Co Ltd | 光拡散板 |
Also Published As
| Publication number | Publication date |
|---|---|
| TWI338180B (https=) | 2011-03-01 |
| TW200739203A (en) | 2007-10-16 |
| US20070236944A1 (en) | 2007-10-11 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| A621 | Written request for application examination |
Free format text: JAPANESE INTERMEDIATE CODE: A621 Effective date: 20090115 |
|
| A977 | Report on retrieval |
Free format text: JAPANESE INTERMEDIATE CODE: A971007 Effective date: 20110523 |
|
| A131 | Notification of reasons for refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A131 Effective date: 20110607 |
|
| A02 | Decision of refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A02 Effective date: 20111108 |