CN101019045B - 减小视差并保持亮度的光散射器 - Google Patents
减小视差并保持亮度的光散射器 Download PDFInfo
- Publication number
- CN101019045B CN101019045B CN2005800259744A CN200580025974A CN101019045B CN 101019045 B CN101019045 B CN 101019045B CN 2005800259744 A CN2005800259744 A CN 2005800259744A CN 200580025974 A CN200580025974 A CN 200580025974A CN 101019045 B CN101019045 B CN 101019045B
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- CN
- China
- Prior art keywords
- light
- display
- diffusion sheet
- light diffusion
- compound parabolic
- 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.)
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Classifications
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- 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
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B5/00—Optical elements other than lenses
- G02B5/02—Diffusing elements; Afocal elements
-
- 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
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/0001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
- G02B6/0011—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form
- G02B6/0033—Means for improving the coupling-out of light from the light guide
- G02B6/005—Means for improving the coupling-out of light from the light guide provided by one optical element, or plurality thereof, placed on the light output side of the light guide
- G02B6/0051—Diffusing sheet or layer
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/04—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings formed by bundles of fibres
- G02B6/06—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings formed by bundles of fibres the relative position of the fibres being the same at both ends, e.g. for transporting images
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/24—Coupling light guides
- G02B6/42—Coupling light guides with opto-electronic elements
- G02B6/4296—Coupling light guides with opto-electronic elements coupling with sources of high radiant energy, e.g. high power lasers, high temperature light sources
-
- 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
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Nonlinear Science (AREA)
- Mathematical Physics (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Liquid Crystal (AREA)
- Planar Illumination Modules (AREA)
- Optical Elements Other Than Lenses (AREA)
Abstract
Description
Claims (22)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US59108804P | 2004-07-27 | 2004-07-27 | |
US60/591,088 | 2004-07-27 | ||
PCT/CA2005/000809 WO2006010245A1 (en) | 2004-07-27 | 2005-05-27 | Parallax-reducing, luminance-preserving diffuser |
Publications (2)
Publication Number | Publication Date |
---|---|
CN101019045A CN101019045A (zh) | 2007-08-15 |
CN101019045B true CN101019045B (zh) | 2011-08-24 |
Family
ID=35785865
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN2005800259744A Active CN101019045B (zh) | 2004-07-27 | 2005-05-27 | 减小视差并保持亮度的光散射器 |
Country Status (8)
Country | Link |
---|---|
US (2) | US8294658B2 (zh) |
EP (1) | EP1774371B1 (zh) |
JP (1) | JP4833973B2 (zh) |
KR (1) | KR101167745B1 (zh) |
CN (1) | CN101019045B (zh) |
CA (1) | CA2573684C (zh) |
HK (1) | HK1107847A1 (zh) |
WO (1) | WO2006010245A1 (zh) |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101019045B (zh) * | 2004-07-27 | 2011-08-24 | 杜比实验室特许公司 | 减小视差并保持亮度的光散射器 |
DE102007033300A1 (de) * | 2007-07-18 | 2009-01-29 | Bayer Materialscience Ag | Lichtlenkende Oberflächenstruktur |
US9692946B2 (en) * | 2009-06-29 | 2017-06-27 | Dolby Laboratories Licensing Corporation | System and method for backlight and LCD adjustment |
CN102563545B (zh) | 2010-12-17 | 2015-05-06 | 杜比实验室特许公司 | 用于显示器的量子点调制 |
JP5868048B2 (ja) * | 2011-07-19 | 2016-02-24 | キヤノン株式会社 | 制御装置及びその制御方法 |
US9958601B2 (en) | 2013-09-19 | 2018-05-01 | University Of Utah Research Foundation | Display backlight |
DE102016108692A1 (de) * | 2016-05-11 | 2017-11-16 | Osram Gmbh | Leuchtdiode und Leuchtmodul |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5560700A (en) * | 1992-01-31 | 1996-10-01 | Massachusetts Institute Of Technology | Light coupler |
CN2549486Y (zh) * | 2002-06-04 | 2003-05-07 | 邵剑心 | 一种小型背投影彩色显示装置 |
Family Cites Families (23)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4898450A (en) * | 1987-08-31 | 1990-02-06 | Physical Optics Corporation | Expanded beam non-imaging fiber optic connector |
US5128783A (en) * | 1990-01-31 | 1992-07-07 | Ois Optical Imaging Systems, Inc. | Diffusing/collimating lens array for a liquid crystal display |
US5810469A (en) | 1993-03-26 | 1998-09-22 | Weinreich; Steve | Combination light concentrating and collimating device and light fixture and display screen employing the same |
US5598281A (en) | 1993-11-19 | 1997-01-28 | Alliedsignal Inc. | Backlight assembly for improved illumination employing tapered optical elements |
US5584557A (en) | 1994-04-06 | 1996-12-17 | Janos Technology Inc. | High efficiency compact illumination system |
CN2211607Y (zh) | 1995-04-17 | 1995-11-01 | 北京市发博光导装饰材料厂 | 光导棒 |
US5861990A (en) | 1996-03-08 | 1999-01-19 | Kaiser Optical Systems | Combined optical diffuser and light concentrator |
EP0934488A4 (en) | 1996-10-21 | 1999-12-08 | Physical Optics Corp | INTEGRATED BEAM FORM AND CORRESPONDING PRODUCTION PROCESS |
US6428198B1 (en) | 1998-07-07 | 2002-08-06 | Alliedsignal Inc. | Display system having a light source separate from a display device |
US6741788B2 (en) * | 1999-07-01 | 2004-05-25 | Honeywell International Inc | Efficient light distribution system |
US6005722A (en) * | 1998-09-04 | 1999-12-21 | Hewlett-Packard Company | Optical display system including a light valve |
TW592308U (en) * | 1999-02-17 | 2004-06-11 | Enplas Corp | Light guiding plate, surface light source device, and liquid crystal display device |
US6111228A (en) * | 1999-08-11 | 2000-08-29 | General Electric Company | Method and apparatus for sensing properties of glass-ceramic cooktop |
JP2001201611A (ja) * | 2000-01-21 | 2001-07-27 | Hitachi Ltd | 光学的機能性シート及びこれを用いた面状光源並びに画像表示装置 |
US7039289B1 (en) * | 2000-05-19 | 2006-05-02 | Optinetrics, Inc. | Integrated optic devices and processes for the fabrication of integrated optic devices |
CN2461025Y (zh) | 2000-09-06 | 2001-11-21 | 中国科学院光电技术研究所 | 高质量光学积分器件 |
JP4348409B2 (ja) | 2001-02-27 | 2009-10-21 | ドルビー ラボラトリーズ ライセンシング コーポレイション | 高ダイナミック・レンジ表示装置 |
US7064740B2 (en) | 2001-11-09 | 2006-06-20 | Sharp Laboratories Of America, Inc. | Backlit display with improved dynamic range |
CN1643565A (zh) | 2002-03-13 | 2005-07-20 | 不列颠哥伦比亚大学 | 高动态范围显示装置 |
US6986591B2 (en) * | 2002-12-20 | 2006-01-17 | Hewlett-Packard Development Company, L.P. | Non-imaging photon concentrator |
GB0313044D0 (en) * | 2003-06-06 | 2003-07-09 | Cambridge Flat Projection | Flat panel scanning illuminator |
CN101019045B (zh) * | 2004-07-27 | 2011-08-24 | 杜比实验室特许公司 | 减小视差并保持亮度的光散射器 |
US7234820B2 (en) * | 2005-04-11 | 2007-06-26 | Philips Lumileds Lighting Company, Llc | Illuminators using reflective optics with recycling and color mixing |
-
2005
- 2005-05-27 CN CN2005800259744A patent/CN101019045B/zh active Active
- 2005-05-27 EP EP05748545A patent/EP1774371B1/en active Active
- 2005-05-27 KR KR1020077003482A patent/KR101167745B1/ko active IP Right Grant
- 2005-05-27 WO PCT/CA2005/000809 patent/WO2006010245A1/en active Application Filing
- 2005-05-27 JP JP2007522880A patent/JP4833973B2/ja active Active
- 2005-05-27 CA CA2573684A patent/CA2573684C/en active Active
- 2005-05-27 US US11/572,811 patent/US8294658B2/en active Active
-
2007
- 2007-07-31 US US11/831,913 patent/US7578606B2/en active Active
-
2008
- 2008-02-13 HK HK08101582.4A patent/HK1107847A1/xx unknown
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5560700A (en) * | 1992-01-31 | 1996-10-01 | Massachusetts Institute Of Technology | Light coupler |
CN2549486Y (zh) * | 2002-06-04 | 2003-05-07 | 邵剑心 | 一种小型背投影彩色显示装置 |
Also Published As
Publication number | Publication date |
---|---|
US20070222801A1 (en) | 2007-09-27 |
EP1774371B1 (en) | 2012-10-31 |
CA2573684C (en) | 2010-07-20 |
KR101167745B1 (ko) | 2012-07-23 |
JP2008507736A (ja) | 2008-03-13 |
US20080019005A1 (en) | 2008-01-24 |
US7578606B2 (en) | 2009-08-25 |
EP1774371A4 (en) | 2011-05-11 |
JP4833973B2 (ja) | 2011-12-07 |
CA2573684A1 (en) | 2006-02-02 |
KR20070038149A (ko) | 2007-04-09 |
US8294658B2 (en) | 2012-10-23 |
HK1107847A1 (en) | 2008-04-18 |
WO2006010245A1 (en) | 2006-02-02 |
EP1774371A1 (en) | 2007-04-18 |
CN101019045A (zh) | 2007-08-15 |
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Effective date of registration: 20090814 Address after: California, USA Applicant after: DOLBY LABORATORIES LICENSING Corp. Address before: British Columbia Canada Applicant before: Dolby Canada Effective date of registration: 20090814 Address after: British Columbia Applicant after: Dolby Canada Address before: Vancouver, Canada Applicant before: Bright Technology Co. Effective date of registration: 20090814 Address after: Vancouver Canada Applicant after: Bright Technology Co. Address before: Vancouver, Canada Applicant before: THE University OF BRITISH COLUMBIA |
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