WO1995003559A1 - Source de lumiere diffusee et affichage a cristaux liquides - Google Patents
Source de lumiere diffusee et affichage a cristaux liquides Download PDFInfo
- Publication number
- WO1995003559A1 WO1995003559A1 PCT/JP1994/001201 JP9401201W WO9503559A1 WO 1995003559 A1 WO1995003559 A1 WO 1995003559A1 JP 9401201 W JP9401201 W JP 9401201W WO 9503559 A1 WO9503559 A1 WO 9503559A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- light
- scattering
- light source
- guiding
- guide
- Prior art date
Links
Classifications
-
- 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
- G02B6/0013—Means for improving the coupling-in of light from the light source into the light guide
- G02B6/0015—Means for improving the coupling-in of light from the light source into the light guide provided on the surface of the light guide or in the bulk of it
- G02B6/0016—Grooves, prisms, gratings, scattering particles or rough surfaces
-
- 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
- G02B6/0035—Means for improving the coupling-out of light from the light guide provided on the surface of the light guide or in the bulk of it
- G02B6/004—Scattering dots or dot-like elements, e.g. microbeads, scattering particles, nanoparticles
- G02B6/0041—Scattering dots or dot-like elements, e.g. microbeads, scattering particles, nanoparticles provided in the bulk of the light guide
-
- 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
- G02B6/0013—Means for improving the coupling-in of light from the light source into the light guide
- G02B6/0023—Means for improving the coupling-in of light from the light source into the light guide provided by one optical element, or plurality thereof, placed between the light guide and the light source, or around the light source
- G02B6/0031—Reflecting element, 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
- G02B6/0001—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
- G02B6/0035—Means for improving the coupling-out of light from the light guide provided on the surface of the light guide or in the bulk of it
- G02B6/0038—Linear indentations or grooves, e.g. arc-shaped grooves or meandering grooves, extending over the full length or width of the light guide
-
- 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
- G02B6/0055—Reflecting element, sheet or layer
-
- 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
- G02F1/133615—Edge-illuminating devices, i.e. illuminating from the side
Description
Claims
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP94921797A EP0663600A4 (en) | 1993-07-23 | 1994-07-21 | DIFFUSED LIGHT SOURCE AND LIQUID CRYSTAL DISPLAY. |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP5/201990 | 1993-07-23 | ||
JP20199093A JP3781441B2 (ja) | 1993-07-23 | 1993-07-23 | 光散乱導光光源装置及び液晶表示装置 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO1995003559A1 true WO1995003559A1 (fr) | 1995-02-02 |
Family
ID=16450120
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP1994/001201 WO1995003559A1 (fr) | 1993-07-23 | 1994-07-21 | Source de lumiere diffusee et affichage a cristaux liquides |
Country Status (4)
Country | Link |
---|---|
US (1) | US5993020A (ja) |
EP (1) | EP0663600A4 (ja) |
JP (1) | JP3781441B2 (ja) |
WO (1) | WO1995003559A1 (ja) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5982540A (en) * | 1994-03-16 | 1999-11-09 | Enplas Corporation | Surface light source device with polarization function |
US6309080B1 (en) | 1995-03-31 | 2001-10-30 | Enplas Corporation | Surface light source device and liquid crystal display |
Families Citing this family (43)
Publication number | Priority date | Publication date | Assignee | Title |
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JP3538220B2 (ja) * | 1994-05-25 | 2004-06-14 | 株式会社エンプラス | コーナー部光供給型面光源装置 |
US5961197A (en) * | 1995-12-14 | 1999-10-05 | Enplas Corporation | Surface light source device |
EP0960353B1 (en) * | 1997-02-13 | 2010-04-14 | Honeywell International Inc. | Illumination system with light recycling to enhance brightness |
JPH11126029A (ja) * | 1997-10-22 | 1999-05-11 | Yazaki Corp | 表示器 |
JP4011805B2 (ja) * | 1999-11-22 | 2007-11-21 | 日東電工株式会社 | 導光板、面光源装置及び液晶表示装置 |
DE10004972A1 (de) * | 2000-02-04 | 2001-08-16 | Bosch Gmbh Robert | Anzeigevorrichtung |
GB2360603A (en) | 2000-03-20 | 2001-09-26 | Cambridge 3D Display Ltd | Planar optical waveguide and float glass process |
US6844751B2 (en) | 2000-09-30 | 2005-01-18 | Texas Instruments Incorporated | Multi-state test structures and methods |
GB0029340D0 (en) | 2000-11-30 | 2001-01-17 | Cambridge 3D Display Ltd | Flat panel camera |
GB0101682D0 (en) * | 2001-01-23 | 2001-03-07 | Cambridge 3D Display Ltd | Flat panel correction optics |
KR20040012393A (ko) * | 2002-08-03 | 2004-02-11 | 삼성전자주식회사 | 백라이트 어셈블리 및 이를 갖는 액정 표시 장치 |
CN1517734A (zh) * | 2003-01-28 | 2004-08-04 | ��ʿ��Ƭ��ʽ���� | 使用片状导光体的通信系统 |
GB0313044D0 (en) | 2003-06-06 | 2003-07-09 | Cambridge Flat Projection | Flat panel scanning illuminator |
KR100754172B1 (ko) * | 2005-03-17 | 2007-09-03 | 삼성전자주식회사 | 난반사 방지 장치 및 이를 구비하는 광주사장치 |
EP1978300B1 (en) | 2006-01-23 | 2014-03-19 | FUJIFILM Corporation | Planar illumination device |
CN101495801B (zh) | 2006-07-28 | 2011-03-16 | 富士胶片株式会社 | 面状照明装置 |
JP4685748B2 (ja) | 2006-11-15 | 2011-05-18 | 富士フイルム株式会社 | 面状照明装置 |
KR101364997B1 (ko) * | 2007-01-11 | 2014-02-19 | 삼성디스플레이 주식회사 | 백라이트 어셈블리 및 이를 구비한 표시 장치 |
JP5153152B2 (ja) | 2007-01-31 | 2013-02-27 | 富士フイルム株式会社 | 面状照明装置 |
JP2010101912A (ja) * | 2007-02-06 | 2010-05-06 | Panasonic Corp | 液晶表示装置 |
JP4996941B2 (ja) | 2007-02-21 | 2012-08-08 | 富士フイルム株式会社 | 液晶表示装置 |
JP4902431B2 (ja) | 2007-06-07 | 2012-03-21 | 富士フイルム株式会社 | 面状照明装置 |
JP4874875B2 (ja) | 2007-06-07 | 2012-02-15 | 富士フイルム株式会社 | 面状照明装置 |
JP2008305713A (ja) | 2007-06-08 | 2008-12-18 | Fujifilm Corp | 面状照明装置 |
TW200905311A (en) * | 2007-07-31 | 2009-02-01 | Chi Mei Lighting Tech Corp | Backlight module and application thereof |
US8412010B2 (en) | 2007-09-10 | 2013-04-02 | Banyan Energy, Inc. | Compact optics for concentration and illumination systems |
WO2009035986A2 (en) | 2007-09-10 | 2009-03-19 | Banyan Energy, Inc | Compact optics for concentration, aggregation and illumination of light energy |
US7672549B2 (en) | 2007-09-10 | 2010-03-02 | Banyan Energy, Inc. | Solar energy concentrator |
JP4926905B2 (ja) | 2007-09-28 | 2012-05-09 | 富士フイルム株式会社 | 面状照明装置 |
JP4856037B2 (ja) | 2007-09-28 | 2012-01-18 | 富士フイルム株式会社 | 面状照明装置 |
JP4909866B2 (ja) | 2007-10-10 | 2012-04-04 | 富士フイルム株式会社 | 面状照明装置 |
JP5414224B2 (ja) * | 2007-10-19 | 2014-02-12 | 富士フイルム株式会社 | 面状照明装置 |
US7639918B2 (en) * | 2008-05-05 | 2009-12-29 | Visteon Global Technologies, Inc. | Manifold-type lightguide with reduced thickness |
JP2010080401A (ja) | 2008-09-29 | 2010-04-08 | Fujifilm Corp | 面状照明装置 |
JP5178460B2 (ja) * | 2008-11-04 | 2013-04-10 | 富士フイルム株式会社 | 面状照明装置 |
US8551769B2 (en) | 2009-01-30 | 2013-10-08 | Zero Discharge Pty Ltd. | Method and apparatus for cultivation of algae and cyanobacteria |
JP2010257938A (ja) * | 2009-03-31 | 2010-11-11 | Fujifilm Corp | 導光板 |
US8477260B2 (en) | 2009-03-31 | 2013-07-02 | Fujifilm Corporation | Light guide plate |
JP5425026B2 (ja) | 2010-09-08 | 2014-02-26 | 富士フイルム株式会社 | 導光板、面状照明装置、および液晶表示装置 |
JP4851631B1 (ja) | 2010-10-12 | 2012-01-11 | 富士フイルム株式会社 | 導光板および面状照明装置 |
KR20130130707A (ko) | 2010-10-28 | 2013-12-02 | 반얀 에너지, 인크 | 집광 및 조명 시스템을 위한 방향전환 광소자 |
JP5579107B2 (ja) | 2011-03-14 | 2014-08-27 | 富士フイルム株式会社 | 導光板および面状照明装置 |
JP5670794B2 (ja) | 2011-03-28 | 2015-02-18 | 富士フイルム株式会社 | 面状照明装置 |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS63208001A (ja) * | 1987-02-25 | 1988-08-29 | Mitsubishi Rayon Co Ltd | 光拡散用導光体 |
JPH02132702A (ja) * | 1988-11-14 | 1990-05-22 | Hitachi Ltd | バックライト |
JPH0533129U (ja) * | 1991-10-09 | 1993-04-30 | 住友化学工業株式会社 | 面光源 |
Family Cites Families (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2827573C2 (de) * | 1978-06-23 | 1983-02-03 | Blaupunkt-Werke Gmbh, 3200 Hildesheim | Großflächige Lichtquelle |
JPS6134583A (ja) * | 1984-07-26 | 1986-02-18 | シャープ株式会社 | 照明装置 |
BE906112A (fr) * | 1986-12-30 | 1987-06-30 | Benmouna Abdennasser | Caisson lumineux. |
JPH02221925A (ja) * | 1989-02-23 | 1990-09-04 | Asahi Chem Ind Co Ltd | メタクリル樹脂製導光板およびその製造方法 |
US5055978A (en) * | 1989-12-29 | 1991-10-08 | Gte Products Corporation | Uniform light source |
US5101325A (en) * | 1990-03-20 | 1992-03-31 | General Electric Company | Uniform illumination of large, thin surfaces particularly suited for automotive applications |
US5050946A (en) * | 1990-09-27 | 1991-09-24 | Compaq Computer Corporation | Faceted light pipe |
JPH04140783A (ja) * | 1990-10-01 | 1992-05-14 | Sumitomo Chem Co Ltd | 面光源装置 |
JPH04145485A (ja) * | 1990-10-05 | 1992-05-19 | Mitsubishi Rayon Co Ltd | 光源装置 |
US5146354A (en) * | 1991-05-07 | 1992-09-08 | Compaq Computer Corporation | LCD system with a backlight having a light source at a light pipe's edge and with the LCD enframed |
JPH0533129A (ja) * | 1991-07-30 | 1993-02-09 | Hitachi Metals Ltd | Ti−Wターゲツト材 |
US5542017A (en) * | 1991-09-27 | 1996-07-30 | Koike; Yasuhiro | Light scattering light guide and applied optical apparatuses |
JP2692025B2 (ja) * | 1992-01-24 | 1997-12-17 | スタンレー電気株式会社 | 面状発光体装置 |
US5394255A (en) * | 1992-01-27 | 1995-02-28 | Sekisui Kagaku Kogyo Kabushiki Kaisha | Liquid crystal display using a plurality of light adjusting sheets angled at 5 degrees or more |
US5899552A (en) * | 1993-11-11 | 1999-05-04 | Enplas Corporation | Surface light source device |
JP3215218B2 (ja) * | 1993-04-05 | 2001-10-02 | 康博 小池 | 光散乱導光光源装置 |
-
1993
- 1993-07-23 JP JP20199093A patent/JP3781441B2/ja not_active Expired - Lifetime
-
1994
- 1994-07-21 WO PCT/JP1994/001201 patent/WO1995003559A1/ja not_active Application Discontinuation
- 1994-07-21 EP EP94921797A patent/EP0663600A4/en not_active Ceased
-
1997
- 1997-05-16 US US08/857,541 patent/US5993020A/en not_active Expired - Lifetime
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS63208001A (ja) * | 1987-02-25 | 1988-08-29 | Mitsubishi Rayon Co Ltd | 光拡散用導光体 |
JPH02132702A (ja) * | 1988-11-14 | 1990-05-22 | Hitachi Ltd | バックライト |
JPH0533129U (ja) * | 1991-10-09 | 1993-04-30 | 住友化学工業株式会社 | 面光源 |
Non-Patent Citations (1)
Title |
---|
See also references of EP0663600A4 * |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5982540A (en) * | 1994-03-16 | 1999-11-09 | Enplas Corporation | Surface light source device with polarization function |
US6172809B1 (en) | 1994-03-16 | 2001-01-09 | Enplas Corporation | Surface light source device with polarization function |
US6309080B1 (en) | 1995-03-31 | 2001-10-30 | Enplas Corporation | Surface light source device and liquid crystal display |
Also Published As
Publication number | Publication date |
---|---|
US5993020A (en) | 1999-11-30 |
JP3781441B2 (ja) | 2006-05-31 |
JPH0736037A (ja) | 1995-02-07 |
EP0663600A1 (en) | 1995-07-19 |
EP0663600A4 (en) | 1996-02-28 |
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