DE69632813T2 - Beleuchtungssystem für eine flachtafel-bildanzeigevorrichtung - Google Patents
Beleuchtungssystem für eine flachtafel-bildanzeigevorrichtung Download PDFInfo
- Publication number
- DE69632813T2 DE69632813T2 DE69632813T DE69632813T DE69632813T2 DE 69632813 T2 DE69632813 T2 DE 69632813T2 DE 69632813 T DE69632813 T DE 69632813T DE 69632813 T DE69632813 T DE 69632813T DE 69632813 T2 DE69632813 T2 DE 69632813T2
- Authority
- DE
- Germany
- Prior art keywords
- lighting system
- light
- polarizer
- optical waveguide
- reflector
- 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.)
- Expired - Fee Related
Links
- 230000010287 polarization Effects 0.000 claims description 48
- 239000010410 layer Substances 0.000 claims description 39
- 230000003287 optical effect Effects 0.000 claims description 36
- 230000003098 cholesteric effect Effects 0.000 claims description 35
- 239000013307 optical fiber Substances 0.000 claims description 34
- 239000000463 material Substances 0.000 claims description 22
- 238000005286 illumination Methods 0.000 claims description 19
- 230000002999 depolarising effect Effects 0.000 claims description 8
- 238000000149 argon plasma sintering Methods 0.000 claims description 7
- 239000002356 single layer Substances 0.000 claims description 7
- 230000000694 effects Effects 0.000 claims description 5
- 239000010409 thin film Substances 0.000 claims description 5
- 239000002245 particle Substances 0.000 claims description 4
- 229920000106 Liquid crystal polymer Polymers 0.000 claims description 3
- 239000011888 foil Substances 0.000 claims description 3
- 239000012780 transparent material Substances 0.000 claims description 3
- 239000002861 polymer material Substances 0.000 claims description 2
- 239000000758 substrate Substances 0.000 description 9
- 230000008901 benefit Effects 0.000 description 6
- 239000000835 fiber Substances 0.000 description 6
- 239000010408 film Substances 0.000 description 6
- 230000004907 flux Effects 0.000 description 6
- 239000004973 liquid crystal related substance Substances 0.000 description 6
- 230000007423 decrease Effects 0.000 description 4
- 230000005855 radiation Effects 0.000 description 4
- 238000010521 absorption reaction Methods 0.000 description 3
- 230000000295 complement effect Effects 0.000 description 3
- 230000002411 adverse Effects 0.000 description 2
- HVYWMOMLDIMFJA-DPAQBDIFSA-N cholesterol Chemical compound C1C=C2C[C@@H](O)CC[C@]2(C)[C@@H]2[C@@H]1[C@@H]1CC[C@H]([C@H](C)CCCC(C)C)[C@@]1(C)CC2 HVYWMOMLDIMFJA-DPAQBDIFSA-N 0.000 description 2
- 230000001419 dependent effect Effects 0.000 description 2
- 230000010354 integration Effects 0.000 description 2
- 230000028161 membrane depolarization Effects 0.000 description 2
- 238000002360 preparation method Methods 0.000 description 2
- 239000004977 Liquid-crystal polymers (LCPs) Substances 0.000 description 1
- 229910010413 TiO 2 Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 235000012000 cholesterol Nutrition 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000003028 elevating effect Effects 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 229920003229 poly(methyl methacrylate) Polymers 0.000 description 1
- 239000004417 polycarbonate Substances 0.000 description 1
- 229920000515 polycarbonate Polymers 0.000 description 1
- 239000004926 polymethyl methacrylate Substances 0.000 description 1
- 229920001296 polysiloxane Polymers 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000001850 reproductive effect Effects 0.000 description 1
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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
- G02B6/0033—Means for improving the coupling-out of light from the light guide
- G02B6/0056—Means for improving the coupling-out of light from the light guide for producing polarisation effects, e.g. by a surface with polarizing properties or by an additional polarizing elements
-
- 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
-
- 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
- F21V9/00—Elements for modifying spectral properties, polarisation or intensity of the light emitted, e.g. filters
- F21V9/14—Elements for modifying spectral properties, polarisation or intensity of the light emitted, e.g. filters for producing polarised light
-
- 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
- G02B5/021—Diffusing elements; Afocal elements characterised by the diffusing properties the diffusion taking place at the element's surface, e.g. by means of surface roughening or microprismatic structures
- G02B5/0221—Diffusing elements; Afocal elements characterised by the diffusing properties the diffusion taking place at the element's surface, e.g. by means of surface roughening or microprismatic structures the surface having an irregular structure
-
- 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
- G02B5/0284—Diffusing elements; Afocal elements characterized by the use used in reflection
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B5/00—Optical elements other than lenses
- G02B5/30—Polarising elements
- G02B5/3025—Polarisers, i.e. arrangements capable of producing a definite output polarisation state from an unpolarised input state
- G02B5/3033—Polarisers, i.e. arrangements capable of producing a definite output polarisation state from an unpolarised input state in the form of a thin sheet or foil, e.g. Polaroid
-
- 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
- G02F1/13362—Illuminating devices providing polarized light, e.g. by converting a polarisation component into another one
-
- 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
- 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
- G02F1/133528—Polarisers
- G02F1/133536—Reflective polarizers
-
- 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
- G02F1/133528—Polarisers
- G02F1/133543—Cholesteric polarisers
-
- 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
- G02F1/133528—Polarisers
- G02F1/13355—Polarising beam splitters [PBS]
Landscapes
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- General Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- Crystallography & Structural Chemistry (AREA)
- Chemical & Material Sciences (AREA)
- Mathematical Physics (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Polarising Elements (AREA)
- Planar Illumination Modules (AREA)
- Light Guides In General And Applications Therefor (AREA)
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
- Liquid Crystal (AREA)
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP95202281 | 1995-08-23 | ||
| EP95202281 | 1995-08-23 | ||
| PCT/IB1996/000812 WO1997008583A1 (en) | 1995-08-23 | 1996-08-16 | Illumination system for a flat-panel picture display device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| DE69632813D1 DE69632813D1 (de) | 2004-08-05 |
| DE69632813T2 true DE69632813T2 (de) | 2005-06-30 |
Family
ID=8220586
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE69632813T Expired - Fee Related DE69632813T2 (de) | 1995-08-23 | 1996-08-16 | Beleuchtungssystem für eine flachtafel-bildanzeigevorrichtung |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US5856855A (enExample) |
| EP (1) | EP0789857B1 (enExample) |
| JP (1) | JP3821849B2 (enExample) |
| KR (1) | KR100427904B1 (enExample) |
| DE (1) | DE69632813T2 (enExample) |
| WO (1) | WO1997008583A1 (enExample) |
Families Citing this family (49)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19538893A1 (de) * | 1995-10-19 | 1997-04-24 | Bosch Gmbh Robert | Beleuchtungskörper mit einem Diffusor |
| WO1998012595A1 (en) * | 1996-09-17 | 1998-03-26 | Seiko Epson Corporation | Display and electronic apparatus using the same |
| US6334689B1 (en) * | 1997-01-30 | 2002-01-01 | Hitachi, Ltd. | Liquid crystal display |
| CA2280739C (en) * | 1997-02-13 | 2005-12-06 | Alliedsignal Inc. | Illumination system with light recycling to enhance brightness |
| TW574567B (en) | 1997-05-14 | 2004-02-01 | Seiko Epson Corp | Display and electronic device using the same |
| CN1158561C (zh) * | 1997-05-30 | 2004-07-21 | 皇家菲利浦电子有限公司 | 带有反射偏振片的液晶显示器件及反射偏振片 |
| US6068381A (en) * | 1998-01-29 | 2000-05-30 | Nu-Tech & Engineering, Inc. | Back lighting device with central opening frame member and a unitized lamp and rigid radially extended terminals assembly |
| JPH11352479A (ja) * | 1998-06-12 | 1999-12-24 | Dainippon Printing Co Ltd | バックライト装置及び透過型表示装置 |
| JP3521058B2 (ja) * | 1998-06-12 | 2004-04-19 | 株式会社エンプラス | 導光板、サイドライト型面光源装置及び液晶表示装置 |
| GB2340280A (en) * | 1998-08-03 | 2000-02-16 | Lite On Electronics Inc | Grating structure for lightguide of a display backlight |
| WO2000019266A1 (en) | 1998-09-25 | 2000-04-06 | Citizen Watch Co., Ltd. | Liquid crystal display |
| US6952310B1 (en) * | 1999-05-12 | 2005-10-04 | Nitto Denko Corporation | Light pipe and polarized-light source |
| JP2000321572A (ja) * | 1999-05-17 | 2000-11-24 | Nitto Denko Corp | 液晶表示装置 |
| JP2001042125A (ja) * | 1999-08-04 | 2001-02-16 | Nitto Denko Corp | 偏光部材、光学部材及び液晶表示装置 |
| JP2001051268A (ja) * | 1999-08-17 | 2001-02-23 | Nitto Denko Corp | 液晶表示装置 |
| WO2001022129A1 (en) | 1999-09-20 | 2001-03-29 | 3M Innovative Properties Company | Optical films having at least one particle-containing layer |
| US6822711B1 (en) * | 1999-09-30 | 2004-11-23 | Casio Computer Co., Ltd. | Liquid crystal display apparatus using polarizing element transmitting one of two polarizing components crossing at right angles and reflecting the other component |
| AU1211501A (en) * | 1999-10-19 | 2001-04-30 | Stanley Works Pty. Ltd., The | Automatic door assembly with an on-board display device |
| JP4387014B2 (ja) * | 1999-12-06 | 2009-12-16 | 日東電工株式会社 | 液晶表示装置 |
| TW454098B (en) * | 1999-12-31 | 2001-09-11 | Lee Chih Kung | The configuration of a backlight module that can control the polarization state of the output light beams |
| JP2003519898A (ja) * | 2000-01-14 | 2003-06-24 | コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ | 表示装置 |
| US7583335B2 (en) | 2000-06-27 | 2009-09-01 | Citizen Holdings Co., Ltd. | Liquid crystal display device |
| AU2001284825A1 (en) * | 2000-08-15 | 2002-02-25 | Reflexite Corporation | A light polarizer |
| US8054416B2 (en) * | 2000-08-15 | 2011-11-08 | Reflexite Corporation | Light polarizer |
| US7070280B2 (en) * | 2001-07-04 | 2006-07-04 | Unaxis Balzers Aktiengesellschaft | Method for the generation of light of a given polarization state |
| US6663262B2 (en) * | 2001-09-10 | 2003-12-16 | 3M Innovative Properties Company | Backlighting transmissive displays |
| JP2003295183A (ja) * | 2002-03-29 | 2003-10-15 | Citizen Watch Co Ltd | 液晶表示装置の平面照明装置 |
| US6999665B2 (en) * | 2002-10-09 | 2006-02-14 | Scram Technologies, Inc. | Display panel having dual directional diffusion |
| US7044627B2 (en) * | 2003-05-30 | 2006-05-16 | Mertz John C | Display retainer and backlight |
| TW200602585A (en) * | 2004-03-16 | 2006-01-16 | Koninkl Philips Electronics Nv | High brightness illumination device with incoherent solid state light source |
| KR101093227B1 (ko) * | 2005-04-15 | 2011-12-13 | 삼성전자주식회사 | 도광판, 이의 제조 방법, 이를 갖는 백라이트 어셈블리 및이를 갖는 표시장치 |
| KR100661365B1 (ko) * | 2005-04-27 | 2006-12-27 | 삼성전자주식회사 | 액정표시장치 |
| CN100483207C (zh) * | 2005-06-17 | 2009-04-29 | 清华大学 | 导光板与背光模组 |
| 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 |
| US7903194B2 (en) * | 2005-06-24 | 2011-03-08 | 3M Innovative Properties Company | Optical element for lateral light spreading in back-lit displays and system using same |
| US20060290843A1 (en) * | 2005-06-24 | 2006-12-28 | Epstein Kenneth A | Illumination element and system using same |
| US20060290845A1 (en) * | 2005-06-24 | 2006-12-28 | Hebrink Timothy J | Polarization sensitive illumination element and system using same |
| CN100376970C (zh) * | 2005-07-20 | 2008-03-26 | 清华大学 | 导光板与背光模组 |
| KR20070024090A (ko) * | 2005-08-26 | 2007-03-02 | 엘지전자 주식회사 | 프리즘 시트 및 액정 표시 소자에 사용되는 백라이트 장치 |
| TWI369550B (en) * | 2006-12-01 | 2012-08-01 | Taiwan Tft Lcd Ass | Optical film and manufacturing method thereof and substrate structure and display panel using the optical film |
| TWI341376B (en) * | 2007-12-31 | 2011-05-01 | Ind Tech Res Inst | Illuminating apparatus of a polarization light |
| KR101518734B1 (ko) * | 2008-12-23 | 2015-05-12 | 삼성전자주식회사 | 편광된 광을 제공하는 백라이트 유닛 및 이를 채용한 디스플레이 장치 |
| TR201901424T4 (tr) * | 2009-07-07 | 2019-02-21 | Dolby Laboratories Licensing Corp | Yandan aydınlatmalı yerel karartma ekranları, ekran bileşenleri ve ilgili yöntemler. |
| WO2014006490A1 (en) * | 2012-07-04 | 2014-01-09 | Kraslex Ltd. | Display module and structure with such module |
| US10061158B2 (en) * | 2012-10-31 | 2018-08-28 | Apple Inc. | Light guide plate with integrated reflector for display backlight |
| CN102981308B (zh) * | 2012-11-30 | 2015-02-18 | 京东方科技集团股份有限公司 | 透明显示器 |
| US10101519B2 (en) | 2013-09-30 | 2018-10-16 | Continental Automotive Systems, Inc. | Lighting assembly for display illumination |
| DE102016204622A1 (de) * | 2016-03-21 | 2017-09-21 | Volkswagen Aktiengesellschaft | Beleuchtungsvorrichtung für ein Fahrzeug und Fahrzeug mit der Beleuchtungsvorrichtung |
| DE102018221841A1 (de) | 2018-12-14 | 2020-06-18 | Volkswagen Aktiengesellschaft | Beleuchtbare Anzeigevorrichtung |
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|---|---|---|---|---|
| CH600366A5 (enExample) * | 1976-05-20 | 1978-06-15 | Ebauches Sa | |
| US4212048A (en) * | 1978-06-16 | 1980-07-08 | General Electric Company | Illuminator for reflective dichroic liquid crystal displays |
| JP2862571B2 (ja) * | 1988-07-28 | 1999-03-03 | 株式会社東芝 | 透過型液晶表示装置 |
| JPH0670882B2 (ja) * | 1988-08-23 | 1994-09-07 | 株式会社明拓システム | 単板使用エッジライトパネル |
| JPH02257188A (ja) * | 1989-03-30 | 1990-10-17 | Dai Ichi Seiko Co Ltd | 光拡散装置 |
| DE59010516D1 (de) * | 1989-07-10 | 1996-10-31 | Hoffmann La Roche | Polarisator |
| US5217794A (en) * | 1991-01-22 | 1993-06-08 | The Dow Chemical Company | Lamellar polymeric body |
| TW594115B (en) * | 1992-10-09 | 2004-06-21 | Asahi Glass Co Ltd | A liquid crystal display device and an illumination device for a direct viewing type display element |
| US5325218A (en) * | 1992-12-31 | 1994-06-28 | Minnesota Mining And Manufacturing Company | Cholesteric polarizer for liquid crystal display and overhead projector |
| TW289095B (enExample) * | 1993-01-11 | 1996-10-21 | ||
| DE69409977T2 (de) * | 1993-01-11 | 1998-10-22 | Koninkl Philips Electronics Nv | Beleuchtungssystem und ein solches System umfassendes Anzeigegerät |
| WO1995017699A1 (en) * | 1993-12-21 | 1995-06-29 | Minnesota Mining And Manufacturing Company | Reflective polarizer display |
| JP3278521B2 (ja) * | 1994-01-28 | 2002-04-30 | 松下電器産業株式会社 | 背面投写型画像表示装置 |
| KR100341704B1 (ko) * | 1994-07-12 | 2002-12-18 | 코닌클리케 필립스 일렉트로닉스 엔.브이. | 조명시스템,조명시스템용선형편광기와조명시스템을구비하는표시장치 |
| US5751388A (en) * | 1995-04-07 | 1998-05-12 | Honeywell Inc. | High efficiency polarized display |
| JPH095739A (ja) * | 1995-06-22 | 1997-01-10 | Internatl Business Mach Corp <Ibm> | 導光シ−ト及びその製造方法、及び前記導光シ−トを用いたバックライト及び前記バックライトを用いた液晶表示装置 |
-
1996
- 1996-08-16 EP EP96925943A patent/EP0789857B1/en not_active Expired - Lifetime
- 1996-08-16 JP JP51002397A patent/JP3821849B2/ja not_active Expired - Fee Related
- 1996-08-16 DE DE69632813T patent/DE69632813T2/de not_active Expired - Fee Related
- 1996-08-16 WO PCT/IB1996/000812 patent/WO1997008583A1/en not_active Ceased
- 1996-08-16 KR KR1019970702630A patent/KR100427904B1/ko not_active Expired - Fee Related
- 1996-08-23 US US08/702,302 patent/US5856855A/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JP3821849B2 (ja) | 2006-09-13 |
| US5856855A (en) | 1999-01-05 |
| WO1997008583A1 (en) | 1997-03-06 |
| EP0789857B1 (en) | 2004-06-30 |
| EP0789857A1 (en) | 1997-08-20 |
| KR970707460A (ko) | 1997-12-01 |
| KR100427904B1 (ko) | 2004-09-08 |
| DE69632813D1 (de) | 2004-08-05 |
| JPH10508152A (ja) | 1998-08-04 |
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| Date | Code | Title | Description |
|---|---|---|---|
| 8364 | No opposition during term of opposition | ||
| 8339 | Ceased/non-payment of the annual fee |