TWI276880B - Liquid crystal display device - Google Patents

Liquid crystal display device Download PDF

Info

Publication number
TWI276880B
TWI276880B TW092115051A TW92115051A TWI276880B TW I276880 B TWI276880 B TW I276880B TW 092115051 A TW092115051 A TW 092115051A TW 92115051 A TW92115051 A TW 92115051A TW I276880 B TWI276880 B TW I276880B
Authority
TW
Taiwan
Prior art keywords
light
liquid crystal
crystal display
display unit
display device
Prior art date
Application number
TW092115051A
Other languages
English (en)
Chinese (zh)
Other versions
TW200403493A (en
Inventor
Jung-Min Choi
Dong-Ho Lee
Original Assignee
Samsung Electronics Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=30768200&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=TWI276880(B) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Samsung Electronics Co Ltd filed Critical Samsung Electronics Co Ltd
Publication of TW200403493A publication Critical patent/TW200403493A/zh
Application granted granted Critical
Publication of TWI276880B publication Critical patent/TWI276880B/zh

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
    • G02B6/0033—Means for improving the coupling-out of light from the light guide
    • G02B6/0063—Means for improving the coupling-out of light from the light guide for extracting light out both the major surfaces of the light guide
    • 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
    • G02F1/1347—Arrangement of liquid crystal layers or cells in which the final condition of one light beam is achieved by the addition of the effects of two or more layers or cells
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00—Optical elements other than lenses
    • G02B5/30—Polarising elements
    • G02B5/3083—Birefringent or phase retarding 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
    • G02F1/1336—Illuminating devices
    • G02F1/133602—Direct backlight
    • G02F1/133605—Direct backlight including specially adapted 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
    • G02F1/133615—Edge-illuminating devices, i.e. illuminating from the side
    • 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
    • G02B6/0043—Scattering dots or dot-like elements, e.g. microbeads, scattering particles, nanoparticles provided on the surface 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
    • G02B6/0058—Means for improving the coupling-out of light from the light guide varying in density, size, shape or depth along the light guide
    • G02B6/0061—Means for improving the coupling-out of light from the light guide varying in density, size, shape or depth along the light guide to provide homogeneous light output intensity
    • 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
    • G02F1/133342—Constructional arrangements; Manufacturing methods for double-sided displays
    • 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
    • G02F1/133504—Diffusing, scattering, diffracting elements
    • G02F1/133507—Films for enhancing the luminance

Landscapes

  • Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Mathematical Physics (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Liquid Crystal (AREA)
TW092115051A 2002-07-26 2003-06-03 Liquid crystal display device TWI276880B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1020020044264A KR100828531B1 (ko) 2002-07-26 2002-07-26 액정 표시 장치

Publications (2)

Publication Number Publication Date
TW200403493A TW200403493A (en) 2004-03-01
TWI276880B true TWI276880B (en) 2007-03-21

Family

ID=30768200

Family Applications (1)

Application Number Title Priority Date Filing Date
TW092115051A TWI276880B (en) 2002-07-26 2003-06-03 Liquid crystal display device

Country Status (7)

Country Link
US (2) US6831711B2 (https=)
JP (1) JP4454497B2 (https=)
KR (1) KR100828531B1 (https=)
CN (1) CN100412643C (https=)
AU (1) AU2003228118A1 (https=)
TW (1) TWI276880B (https=)
WO (1) WO2004012004A1 (https=)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10126852B2 (en) 2016-01-12 2018-11-13 Au Optronics Corporation Display module having double-sided illumination design

Families Citing this family (82)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7401923B2 (en) * 2004-03-09 2008-07-22 Fergason Patent Properties, Llc Monitor for showing high-resolution and three-dimensional images and method
ES2351206T3 (es) 2001-02-27 2011-02-01 Dolby Laboratories Licensing Corporation Dispositivo de visualización de alta relación de contraste dinámico.
EP1485904B1 (en) 2002-03-13 2012-08-29 Dolby Laboratories Licensing Corporation High dynamic range display devices
US8687271B2 (en) 2002-03-13 2014-04-01 Dolby Laboratories Licensing Corporation N-modulation displays and related methods
KR100828531B1 (ko) * 2002-07-26 2008-05-13 삼성전자주식회사 액정 표시 장치
TW573170B (en) * 2002-10-11 2004-01-21 Toppoly Optoelectronics Corp Dual-sided display liquid crystal panel
AU2003273021A1 (en) * 2002-10-17 2004-05-04 Sharp Kabushiki Kaisha Display device and display device mounting device
JP2004144990A (ja) * 2002-10-24 2004-05-20 Alps Electric Co Ltd 両面発光型液晶表示モジュール
JP2004199027A (ja) * 2002-10-24 2004-07-15 Seiko Epson Corp 表示装置、及び電子機器
JP3719433B2 (ja) 2002-10-30 2005-11-24 セイコーエプソン株式会社 表示装置及び電子機器
TWI289708B (en) 2002-12-25 2007-11-11 Qualcomm Mems Technologies Inc Optical interference type color display
US20040239611A1 (en) * 2003-06-02 2004-12-02 Huang Kuo Jui Double-sided light emitting backlight module
JP2005070603A (ja) * 2003-08-27 2005-03-17 Nec Corp 両面液晶表示装置および携帯無線電話機
US7760296B2 (en) * 2003-09-19 2010-07-20 Tpo Hong Kong Holding Limited Transflective display having improved contrast
US7683865B2 (en) * 2003-12-29 2010-03-23 Lg Display Co., Ltd. Detachable liquid crystal display device
US7342705B2 (en) 2004-02-03 2008-03-11 Idc, Llc Spatial light modulator with integrated optical compensation structure
US6961105B2 (en) * 2004-03-05 2005-11-01 Toppoly Optoelectronics Corp. Dual-display module with a tunable mirror sheet
JP4055741B2 (ja) * 2004-05-24 2008-03-05 セイコーエプソン株式会社 電気光学装置および電子機器
US20060013019A1 (en) * 2004-06-24 2006-01-19 Huang Kuo J Double-sided light emitting backlight module capable of optically changing a color of light
TWI351549B (en) * 2004-09-03 2011-11-01 Hon Hai Prec Ind Co Ltd Backlight module capable of emitting light from tw
US7750886B2 (en) * 2004-09-27 2010-07-06 Qualcomm Mems Technologies, Inc. Methods and devices for lighting displays
TWI263845B (en) * 2004-11-19 2006-10-11 Au Optronics Corp Viewing-angle adjustable liquid crystal display and method of the same
US20060109753A1 (en) * 2004-11-23 2006-05-25 Fergason James L Monitor for showing high-resolution and three-dimensional images and method
US7411636B2 (en) * 2004-11-23 2008-08-12 Fergason Patent Properties, Llc Stereoscopic liquid crystal display (LCD) with polarization method
KR101122232B1 (ko) * 2004-12-17 2012-03-19 삼성전자주식회사 박막 트랜지스터 표시판 및 액정 표시 장치
US7706677B2 (en) * 2005-01-14 2010-04-27 Samsung Electro-Mechanics Co., Ltd Mobile communication terminal device
KR20060086174A (ko) * 2005-01-26 2006-07-31 삼성전자주식회사 일체형 액정 표시 장치
JP2006323315A (ja) * 2005-05-20 2006-11-30 Citizen Electronics Co Ltd 表裏一体型バックライト
EP1977412A1 (en) * 2006-01-11 2008-10-08 Tte Technology, Inc. Contrast ratio enhancement system using asymmetrically delaying illumination control
US8089433B2 (en) * 2006-01-11 2012-01-03 Tte Technology, Inc. Contrast ratio enhancement system using black detector
KR20070081577A (ko) * 2006-02-13 2007-08-17 삼성전자주식회사 액정 표시 장치
JP4483840B2 (ja) * 2006-09-04 2010-06-16 セイコーエプソン株式会社 画像表示装置
US20080064131A1 (en) * 2006-09-12 2008-03-13 Mutual-Tek Industries Co., Ltd. Light emitting apparatus and method for the same
EP1943551A2 (en) 2006-10-06 2008-07-16 Qualcomm Mems Technologies, Inc. Light guide
ATE556272T1 (de) 2006-10-06 2012-05-15 Qualcomm Mems Technologies Inc Optische verluststruktur in einer beleuchtungsvorrichtung
KR101476841B1 (ko) * 2006-12-28 2014-12-24 엘지디스플레이 주식회사 시야각 제어 액정표시장치
ES2893327T3 (es) 2007-02-01 2022-02-08 Dolby Laboratories Licensing Corp Calibración de visualizadores que tienen luz de fondo espacialmente variable
KR20080099083A (ko) * 2007-05-08 2008-11-12 삼성전자주식회사 전면부 라이트 유닛 및 이를 채용한 평판 디스플레이 장치
US20080291368A1 (en) * 2007-05-22 2008-11-27 Joon-Hyung Park Display Device Comprising Multiple Display Panel Assemblies
US8941631B2 (en) 2007-11-16 2015-01-27 Qualcomm Mems Technologies, Inc. Simultaneous light collection and illumination on an active display
TWI377540B (en) 2007-11-22 2012-11-21 Hannstar Display Corp Display device and driving method thereof
CN101452671B (zh) * 2007-11-28 2010-09-29 瀚宇彩晶股份有限公司 显示器及其驱动方法
US20110001901A1 (en) * 2007-12-05 2011-01-06 Solomon Jeffrey L Dual lightguide
US7949213B2 (en) 2007-12-07 2011-05-24 Qualcomm Mems Technologies, Inc. Light illumination of displays with front light guide and coupling elements
US8068710B2 (en) 2007-12-07 2011-11-29 Qualcomm Mems Technologies, Inc. Decoupled holographic film and diffuser
KR20090079779A (ko) * 2008-01-17 2009-07-22 삼성모바일디스플레이주식회사 듀얼 액정표시장치
US20090322800A1 (en) 2008-06-25 2009-12-31 Dolby Laboratories Licensing Corporation Method and apparatus in various embodiments for hdr implementation in display devices
US20100214282A1 (en) 2009-02-24 2010-08-26 Dolby Laboratories Licensing Corporation Apparatus for providing light source modulation in dual modulator displays
WO2010138761A1 (en) 2009-05-29 2010-12-02 Qualcomm Mems Technologies, Inc. Illumination devices and methods of fabrication thereof
US8534896B2 (en) 2009-07-10 2013-09-17 Koninklijke Philips N.V. Free form lighting module
KR101338998B1 (ko) * 2009-12-11 2013-12-09 엘지디스플레이 주식회사 반사투과형 액정표시소자
KR101713277B1 (ko) * 2010-08-13 2017-03-08 삼성전자주식회사 반사 방지 필름 및 상기 반사 방지 필름을 채용한 접이식 디스플레이 장치
KR101031342B1 (ko) * 2010-09-27 2011-04-29 주식회사 엘엠에스 도광판 및 이를 포함하는 백라이트 유닛
JP4825926B1 (ja) * 2010-10-29 2011-11-30 株式会社東芝 表示装置
KR101833969B1 (ko) 2011-01-03 2018-04-16 엘지디스플레이 주식회사 양방향 액정표시장치
US9681121B2 (en) 2012-01-11 2017-06-13 Ultra-D Coöperatief U.A. Mobile display device
US9201452B2 (en) 2012-02-28 2015-12-01 Apple Inc. Electronic device with illuminated logo structures
CN102981309A (zh) * 2012-12-10 2013-03-20 京东方科技集团股份有限公司 显示装置
CN103901664A (zh) * 2012-12-24 2014-07-02 联想(北京)有限公司 显示装置和电子设备
CN103149734B (zh) * 2013-02-19 2015-06-24 京东方科技集团股份有限公司 一种显示装置
CN105122123A (zh) * 2013-03-19 2015-12-02 惠普发展公司，有限责任合伙企业 双面显示器
KR101341419B1 (ko) 2013-07-03 2013-12-13 주식회사 천일 고효율 도광판 및 이를 구비한 led조명기구
TWI483030B (zh) * 2014-06-06 2015-05-01 Chunghwa Picture Tubes Ltd 透明顯示裝置及其顯示方法
US10429713B2 (en) * 2014-06-12 2019-10-01 Gentex Corporation Selectively-transparent electrochromic display
JP6451979B2 (ja) * 2014-10-11 2019-01-16 Ｔｉａｎｍａ Ｊａｐａｎ株式会社 表示素子およびそれを用いた携帯型情報装置
KR102289904B1 (ko) * 2015-01-23 2021-08-18 삼성디스플레이 주식회사 표시 장치
TWI677733B (zh) * 2015-06-01 2019-11-21 凌暉科技股份有限公司 雙面顯示器
CN104990001B (zh) * 2015-07-27 2017-11-17 京东方科技集团股份有限公司 背光模组及其制作方法、双面显示装置
TWI598722B (zh) * 2015-10-07 2017-09-11 宏碁股份有限公司 電子裝置及其外觀模組
CN106094338B (zh) * 2016-08-11 2023-06-30 京东方科技集团股份有限公司 一种双面显示装置及电子设备
KR102749620B1 (ko) 2016-10-18 2025-01-06 삼성디스플레이 주식회사 표시 장치
CN106526951B (zh) * 2016-11-29 2021-01-26 京东方科技集团股份有限公司 一种镜面显示装置及其控制方法
CN108398872B (zh) 2017-02-06 2019-08-27 京东方科技集团股份有限公司 一种全息显示器及其显示方法、显示装置
KR102512202B1 (ko) 2017-10-17 2023-03-21 삼성전자주식회사 디스플레이 패널 및 이를 포함하는 디스플레이 장치
US11054697B2 (en) * 2017-11-21 2021-07-06 Panasonic Liquid Crystal Display Co., Ltd. Liquid crystal display device with plural display panels and surface irregularities
KR102538309B1 (ko) * 2018-06-20 2023-05-31 한국전자통신연구원 양방향 디스플레이 장치 및 방법
CN108873475B (zh) * 2018-07-06 2021-02-02 京东方科技集团股份有限公司 反射式液晶显示面板、其制备方法及显示装置
CN111090191B (zh) * 2018-10-24 2022-10-04 中强光电股份有限公司 光源模块及双屏幕显示装置
US20230056460A1 (en) * 2020-02-14 2023-02-23 Hewlett-Packard Development Company, L.P. Brightness controls for dual-sided displays
US11513380B2 (en) 2020-06-10 2022-11-29 Toyota Motor Engineering & Manufacturing North America, Inc. Dual-sided transparent display panel
US12060010B2 (en) 2021-06-15 2024-08-13 Toyota Motor Engineering & Manufacturing North America, Inc. Dual-sided display for a vehicle
US12092529B2 (en) 2021-11-29 2024-09-17 Toyota Motor Engineering & Manufacturing North America, Inc. Window-based object detection and/or identification

Family Cites Families (26)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4637687A (en) * 1984-06-14 1987-01-20 General Electric Company Cascaded, dual cell transflective liquid crystal display
US4693560A (en) * 1986-09-25 1987-09-15 Taliq Corporation Double layer display
DE3740647C2 (de) * 1987-12-01 1996-05-09 Vdo Schindling Flüssigkristallanzeige mit zwei hintereinander angeordneten Anzeigezellen
JPH01200232A (ja) * 1988-02-04 1989-08-11 Sharp Corp 強誘電性液晶表示装置
SG68563A1 (en) * 1990-09-20 1999-11-16 Illumination Research Group Pr A display system
JP3213462B2 (ja) * 1993-11-25 2001-10-02 三洋電機株式会社 液晶表示装置
US5882774A (en) * 1993-12-21 1999-03-16 Minnesota Mining And Manufacturing Company Optical film
US5982540A (en) * 1994-03-16 1999-11-09 Enplas Corporation Surface light source device with polarization function
TW321731B (https=) * 1994-07-27 1997-12-01 Hitachi Ltd
EP0871923A1 (en) 1995-06-26 1998-10-21 Minnesota Mining And Manufacturing Company Transflective displays with reflective polarizing transflector
JPH0943596A (ja) 1995-07-27 1997-02-14 Hitachi Ltd 反射型液晶表示素子及びそれを用いた液晶表示装置
JPH10206615A (ja) * 1997-01-17 1998-08-07 Nitto Denko Corp 半透過型反射板、偏光板及び液晶表示装置
WO1998057220A1 (en) * 1997-06-13 1998-12-17 Seiko Epson Corporation Display, and electronic devices and polarization separators made by using the same
AU8461098A (en) * 1997-07-30 1999-02-22 Citizen Watch Co. Ltd. Liquid crystal display
CN1153072C (zh) * 1998-07-31 2004-06-09 日本化药株式会社 反射板、半透射反射板、光学薄膜及图像显示装置
JP2001290445A (ja) * 2000-04-06 2001-10-19 Toshiba Corp 平面表示装置
JP2001311948A (ja) * 2000-04-27 2001-11-09 Sharp Corp 液晶表示装置、並びに、そのリターデーション選択方法および装置
JP2001337320A (ja) * 2000-05-24 2001-12-07 Toshiba Corp 半透過型の液晶表示素子
KR20020040989A (ko) * 2000-11-25 2002-05-31 주식회사 현대 디스플레이 테크놀로지 양면광 출력형 백라이트 유닛
JP4119085B2 (ja) * 2000-12-20 2008-07-16 東芝松下ディスプレイテクノロジー株式会社 液晶表示装置、及び立体視表示装置
KR20010035369A (ko) * 2001-02-07 2001-05-07 박종섭 듀얼 폴더의 백라이트 장치
DE10108411A1 (de) * 2001-02-21 2002-09-19 Aeg Ges Moderne Inf Sys Mbh LCD-Anzeigetafel
KR100432009B1 (ko) * 2001-12-03 2004-05-22 주식회사 팬택 이동형 정보통신 기기용 양방향 디스플레이형 액정표시장치
KR100897738B1 (ko) * 2002-04-16 2009-05-15 삼성전자주식회사 양방향 광출사 백라이트 어셈블리, 이를 이용한액정표시장치
JP4044369B2 (ja) * 2002-05-24 2008-02-06 セイコーインスツル株式会社 液晶表示装置
KR100828531B1 (ko) * 2002-07-26 2008-05-13 삼성전자주식회사 액정 표시 장치

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10126852B2 (en) 2016-01-12 2018-11-13 Au Optronics Corporation Display module having double-sided illumination design

Also Published As

Publication number Publication date
TW200403493A (en) 2004-03-01
WO2004012004A1 (en) 2004-02-05
CN100412643C (zh) 2008-08-20
US7193666B2 (en) 2007-03-20
CN1672092A (zh) 2005-09-21
US20040017529A1 (en) 2004-01-29
KR20040009894A (ko) 2004-01-31
JP2005534073A (ja) 2005-11-10
JP4454497B2 (ja) 2010-04-21
AU2003228118A1 (en) 2004-02-16
US6831711B2 (en) 2004-12-14
KR100828531B1 (ko) 2008-05-13
US20050062913A1 (en) 2005-03-24

Similar Documents

Publication Publication Date Title
TWI276880B (en) Liquid crystal display device
CN101126853B (zh) 液晶显示元件和电子装置
KR100846628B1 (ko) 반투과형 액정표시장치
JP3345755B2 (ja) 表示装置及びそれを用いた電子機器
JP2004206064A (ja) 液晶表示装置及び電子機器
TW201026997A (en) Optical sheet, illuminating device and liquid crystal display device
TW200410016A (en) Liquid crystal display device
TW200530662A (en) Liquid crystal display device
WO2004042273A1 (ja) 照明装置およびそれを備えた画像表示装置ならびに導光体
US20050206806A1 (en) Liquid crystal display device
US20060164574A1 (en) Liquid crystal display
CN100394277C (zh) 液晶显示器件
US7623208B2 (en) Optical efficiency enhancing film and liquid crystal display using the same
JP4211341B2 (ja) 表示装置及び電子機器
JP2007041583A (ja) 偏光補償フィルム、偏光プリズムフィルムの製造方法、表示パネルアセンブリ、及び表示装置
WO2004003647A1 (ja) 液晶表示素子
TWI912568B (zh) 擴增實境電子裝置
TWI281068B (en) Transmissive and reflective type liquid crystal display
EP2097785A1 (en) Lcd with complimentary heterogeneous polarizers for polarization light recycling
JP2004118042A (ja) 表示装置及び電子機器
KR20060059430A (ko) 액정 표시 장치
JP2005258327A (ja) 液晶表示装置
KR20080009254A (ko) 반투과형 액정표시장치
JP2004170793A (ja) 表示装置及び電子機器
JP2008139494A (ja) 半透過型液晶表示装置

Legal Events

Date Code Title Description
MK4A Expiration of patent term of an invention patent