TW200832015A - Back-lit displays with high illumination uniformity - Google Patents
Back-lit displays with high illumination uniformity Download PDFInfo
- Publication number
- TW200832015A TW200832015A TW096143110A TW96143110A TW200832015A TW 200832015 A TW200832015 A TW 200832015A TW 096143110 A TW096143110 A TW 096143110A TW 96143110 A TW96143110 A TW 96143110A TW 200832015 A TW200832015 A TW 200832015A
- Authority
- TW
- Taiwan
- Prior art keywords
- light
- unit
- layer
- diffuser
- elements
- Prior art date
Links
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- 239000010410 layer Substances 0.000 claims description 122
- 238000009792 diffusion process Methods 0.000 claims description 18
- 230000008859 change Effects 0.000 claims description 12
- 239000004973 liquid crystal related substance Substances 0.000 claims description 9
- 230000003287 optical effect Effects 0.000 claims description 7
- 239000012790 adhesive layer Substances 0.000 claims description 2
- 235000010627 Phaseolus vulgaris Nutrition 0.000 claims 1
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- 239000010408 film Substances 0.000 description 28
- -1 or the like) (eg Substances 0.000 description 25
- 238000010521 absorption reaction Methods 0.000 description 14
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- 238000000926 separation method Methods 0.000 description 8
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- 229920000139 polyethylene terephthalate Polymers 0.000 description 5
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- 230000001902 propagating effect Effects 0.000 description 5
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- NIXOWILDQLNWCW-UHFFFAOYSA-M Acrylate Chemical compound [O-]C(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-M 0.000 description 3
- PPBRXRYQALVLMV-UHFFFAOYSA-N Styrene Chemical compound C=CC1=CC=CC=C1 PPBRXRYQALVLMV-UHFFFAOYSA-N 0.000 description 3
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- 229920000647 polyepoxide Polymers 0.000 description 3
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- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 description 2
- 239000004698 Polyethylene Substances 0.000 description 2
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 2
- 125000001931 aliphatic group Chemical group 0.000 description 2
- TZCXTZWJZNENPQ-UHFFFAOYSA-L barium sulfate Chemical compound [Ba+2].[O-]S([O-])(=O)=O TZCXTZWJZNENPQ-UHFFFAOYSA-L 0.000 description 2
- 229920001577 copolymer Polymers 0.000 description 2
- 229910052732 germanium Inorganic materials 0.000 description 2
- GNPVGFCGXDBREM-UHFFFAOYSA-N germanium atom Chemical compound [Ge] GNPVGFCGXDBREM-UHFFFAOYSA-N 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 235000013336 milk Nutrition 0.000 description 2
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- 210000004080 milk Anatomy 0.000 description 2
- 229920002285 poly(styrene-co-acrylonitrile) Polymers 0.000 description 2
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- CERQOIWHTDAKMF-UHFFFAOYSA-M Methacrylate Chemical compound CC(=C)C([O-])=O CERQOIWHTDAKMF-UHFFFAOYSA-M 0.000 description 1
- BAPJBEWLBFYGME-UHFFFAOYSA-N Methyl acrylate Chemical compound COC(=O)C=C BAPJBEWLBFYGME-UHFFFAOYSA-N 0.000 description 1
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 1
- XTXRWKRVRITETP-UHFFFAOYSA-N Vinyl acetate Chemical compound CC(=O)OC=C XTXRWKRVRITETP-UHFFFAOYSA-N 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
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- 239000004205 dimethyl polysiloxane Substances 0.000 description 1
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- 229920002313 fluoropolymer Polymers 0.000 description 1
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- 239000012634 fragment Substances 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
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- 239000011159 matrix material Substances 0.000 description 1
- 239000012229 microporous material Substances 0.000 description 1
- 239000002324 mouth wash Substances 0.000 description 1
- 229940051866 mouthwash Drugs 0.000 description 1
- CXQXSVUQTKDNFP-UHFFFAOYSA-N octamethyltrisiloxane Chemical compound C[Si](C)(C)O[Si](C)(C)O[Si](C)(C)C CXQXSVUQTKDNFP-UHFFFAOYSA-N 0.000 description 1
- 239000012788 optical film Substances 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 238000004987 plasma desorption mass spectroscopy Methods 0.000 description 1
- 229920000435 poly(dimethylsiloxane) Polymers 0.000 description 1
- 229920002098 polyfluorene Polymers 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 238000006116 polymerization reaction Methods 0.000 description 1
- 229920000098 polyolefin Polymers 0.000 description 1
- 229920002635 polyurethane Polymers 0.000 description 1
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- KCTAWXVAICEBSD-UHFFFAOYSA-N prop-2-enoyloxy prop-2-eneperoxoate Chemical compound C=CC(=O)OOOC(=O)C=C KCTAWXVAICEBSD-UHFFFAOYSA-N 0.000 description 1
- 230000003134 recirculating effect Effects 0.000 description 1
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- 230000011218 segmentation Effects 0.000 description 1
- 230000001568 sexual effect Effects 0.000 description 1
- 229920006132 styrene block copolymer Polymers 0.000 description 1
- 239000004408 titanium dioxide Substances 0.000 description 1
- 229920006305 unsaturated polyester Polymers 0.000 description 1
Classifications
-
- 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
-
- 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
-
- 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
- G02F1/133607—Direct backlight including a specially adapted diffusing, scattering or light controlling members the light controlling member including light directing or refracting elements, e.g. prisms or lenses
Landscapes
- Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- Mathematical Physics (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Planar Illumination Modules (AREA)
- Liquid Crystal (AREA)
- Optical Elements Other Than Lenses (AREA)
- Illuminated Signs And Luminous Advertising (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US11/560,234 US20080111947A1 (en) | 2006-11-15 | 2006-11-15 | Back-lit displays with high illumination uniformity |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| TW200832015A true TW200832015A (en) | 2008-08-01 |
Family
ID=39185982
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| TW096143110A TW200832015A (en) | 2006-11-15 | 2007-11-14 | Back-lit displays with high illumination uniformity |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US20080111947A1 (OSRAM) |
| JP (1) | JP2010510544A (OSRAM) |
| KR (1) | KR20090086552A (OSRAM) |
| CN (1) | CN101535879B (OSRAM) |
| DE (1) | DE112007002748T5 (OSRAM) |
| TW (1) | TW200832015A (OSRAM) |
| WO (1) | WO2008061054A2 (OSRAM) |
Families Citing this family (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20100302479A1 (en) * | 1996-03-21 | 2010-12-02 | Aronson Joseph T | Optical article |
| TWI428669B (zh) * | 2006-11-15 | 2014-03-01 | 3M Innovative Properties Co | 具有高照明均勻度的背發光顯示器 |
| WO2009102951A2 (en) * | 2008-02-15 | 2009-08-20 | 3M Innovative Properties Company | Brightness enhancing film and film based diffuser for improved illumination uniformity of displays |
| EP2385904A1 (en) | 2009-01-08 | 2011-11-16 | 3M Innovative Properties Company | Dry erasable projection article and system |
| EP2430112B1 (en) | 2009-04-23 | 2018-09-12 | The University of Chicago | Materials and methods for the preparation of nanocomposites |
| CN102667618B (zh) | 2009-11-23 | 2015-02-25 | 3M创新有限公司 | 具有高对比度的正投影屏幕 |
| US8692761B2 (en) * | 2011-04-27 | 2014-04-08 | Stmicroelectronics, Inc. | Apparatus and method for modeling the light field of a local-dimming LED backlight for an LCD display |
| CN103091741A (zh) * | 2012-12-21 | 2013-05-08 | 张家港康得新光电材料有限公司 | 一种增光膜和使用该种增光膜的显示装置 |
| CN104614864A (zh) * | 2015-02-15 | 2015-05-13 | 张家港康得新光电材料有限公司 | 一种立体显示装置 |
| US10698138B2 (en) | 2015-04-24 | 2020-06-30 | 3M Innovative Properties Company | Graded diffuser |
| WO2018129068A1 (en) * | 2017-01-04 | 2018-07-12 | 3M Innovative Properties Company | Light control film with turning film and lenticular diffuser for view enhancement in the horizontal plane |
| KR20200140307A (ko) * | 2018-05-03 | 2020-12-15 | 쓰리엠 이노베이티브 프로퍼티즈 컴파니 | 광 방향전환 필름, 백라이트 및 디스플레이 시스템 |
| CN108873466B (zh) * | 2018-09-10 | 2024-01-19 | 张家港康得新光电材料有限公司 | 一种视景分离元件和显示装置 |
Family Cites Families (32)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TW289095B (OSRAM) | 1993-01-11 | 1996-10-21 | ||
| US5882774A (en) | 1993-12-21 | 1999-03-16 | Minnesota Mining And Manufacturing Company | Optical film |
| US5751388A (en) | 1995-04-07 | 1998-05-12 | Honeywell Inc. | High efficiency polarized display |
| US5917664A (en) * | 1996-02-05 | 1999-06-29 | 3M Innovative Properties Company | Brightness enhancement film with soft cutoff |
| 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 |
| US5867316A (en) | 1996-02-29 | 1999-02-02 | Minnesota Mining And Manufacturing Company | Multilayer film having a continuous and disperse phase |
| US6122103A (en) | 1999-06-22 | 2000-09-19 | Moxtech | Broadband wire grid polarizer for the visible spectrum |
| TW574509B (en) * | 2001-02-14 | 2004-02-01 | Yuka Denshi Co Ltd | Light guide body, light reflective sheet and surface light source device and liquid crystal device using the light reflective sheet, and the manufacturing method of light reflective sheet |
| US6917399B2 (en) | 2001-02-22 | 2005-07-12 | 3M Innovative Properties Company | Optical bodies containing cholesteric liquid crystal material and methods of manufacture |
| TWI258023B (en) * | 2001-11-07 | 2006-07-11 | Ibm | A prism sheet, a back-light unit using said prism sheet, and a transmission type liquid crystal display device |
| KR100712766B1 (ko) * | 2002-01-31 | 2007-05-02 | 미츠비시 레이온 가부시키가이샤 | 광원 장치 |
| JP4133420B2 (ja) * | 2002-03-26 | 2008-08-13 | シャープ株式会社 | バックライト及び液晶表示装置 |
| US6846098B2 (en) * | 2002-05-16 | 2005-01-25 | Eastman Kodak Company | Light diffuser with variable diffusion |
| KR20040074789A (ko) * | 2003-02-19 | 2004-08-26 | 삼성전자주식회사 | 백라이트 어셈블리 및 이를 갖는 액정표시장치 |
| KR100725011B1 (ko) * | 2003-11-12 | 2007-06-04 | 엘지전자 주식회사 | 프리즘 시트 및 백라이트 어셈블리 |
| US6846089B2 (en) | 2003-05-16 | 2005-01-25 | 3M Innovative Properties Company | Method for stacking surface structured optical films |
| US7213933B2 (en) * | 2004-01-02 | 2007-05-08 | Entire Technology Co., Ltd. | Direct type backlight module of diffuser plate and its manufacturing method thereof |
| US7142768B2 (en) * | 2004-03-04 | 2006-11-28 | K-Bridge Electronics Co., Ltd. | LCD optical waveguide device |
| TWI364600B (en) * | 2004-04-12 | 2012-05-21 | Kuraray Co | An illumination device an image display device using the illumination device and a light diffusing board used by the devices |
| US7408708B2 (en) * | 2004-04-16 | 2008-08-05 | Dai Nippon Printing Co., Ltd. | Diffusing sheet, surface light source unit, and transmission type display |
| WO2006026743A1 (en) * | 2004-08-31 | 2006-03-09 | Fusion Optix, Inc. | Enhanced light diffusing sheet |
| US7436469B2 (en) * | 2004-10-15 | 2008-10-14 | 3M Innovative Properties Company | Composite diffuser plates and direct-lit liquid crystal displays using same |
| TWI248543B (en) * | 2004-11-10 | 2006-02-01 | Coretronic Corp | Bottom-lit backlight module |
| JP4433467B2 (ja) * | 2004-12-01 | 2010-03-17 | 株式会社エンプラス | 面光源装置 |
| US8023065B2 (en) * | 2005-06-24 | 2011-09-20 | 3M Innovative Properties Company | Optical element for lateral light spreading in edge-lit displays and system using same |
| US7322731B2 (en) * | 2005-06-24 | 2008-01-29 | 3M Innovative Properties Company | Color mixing illumination light unit and system using same |
| US20070002588A1 (en) * | 2005-07-01 | 2007-01-04 | K-Bridge Electronics Co., Ltd. | Backlight module light equilibrator |
| CN1710478A (zh) * | 2005-07-05 | 2005-12-21 | 友达光电股份有限公司 | 具有弯曲沟槽的导光板 |
| US7663712B2 (en) * | 2005-10-10 | 2010-02-16 | Skc Haas Display Films Co., Ltd. | Backlight unit with linearly reduced divergence having the width of an output aperture vary over the length of a light divergence reduction structure |
| JP4307477B2 (ja) * | 2006-07-04 | 2009-08-05 | 三星モバイルディスプレイ株式會社 | 導光板およびバックライトユニット |
| CN101295041B (zh) * | 2007-04-27 | 2011-12-21 | 鸿富锦精密工业（深圳）有限公司 | 背光模组及其光学板 |
| KR100985358B1 (ko) * | 2007-12-10 | 2010-10-04 | 히다치 가세고교 가부시끼가이샤 | 백라이트부 |
-
2006
- 2006-11-15 US US11/560,234 patent/US20080111947A1/en not_active Abandoned
-
2007
- 2007-11-12 JP JP2009537292A patent/JP2010510544A/ja not_active Withdrawn
- 2007-11-12 KR KR1020097009836A patent/KR20090086552A/ko not_active Withdrawn
- 2007-11-12 CN CN2007800410199A patent/CN101535879B/zh not_active Expired - Fee Related
- 2007-11-12 WO PCT/US2007/084404 patent/WO2008061054A2/en not_active Ceased
- 2007-11-12 DE DE112007002748T patent/DE112007002748T5/de not_active Withdrawn
- 2007-11-14 TW TW096143110A patent/TW200832015A/zh unknown
Also Published As
| Publication number | Publication date |
|---|---|
| WO2008061054A3 (en) | 2008-07-10 |
| US20080111947A1 (en) | 2008-05-15 |
| JP2010510544A (ja) | 2010-04-02 |
| CN101535879B (zh) | 2011-12-14 |
| KR20090086552A (ko) | 2009-08-13 |
| DE112007002748T5 (de) | 2009-09-24 |
| CN101535879A (zh) | 2009-09-16 |
| WO2008061054A2 (en) | 2008-05-22 |
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