JP4454497B2 - 液晶表示装置 - Google Patents

液晶表示装置 Download PDF

Info

Publication number
JP4454497B2
JP4454497B2 JP2004524347A JP2004524347A JP4454497B2 JP 4454497 B2 JP4454497 B2 JP 4454497B2 JP 2004524347 A JP2004524347 A JP 2004524347A JP 2004524347 A JP2004524347 A JP 2004524347A JP 4454497 B2 JP4454497 B2 JP 4454497B2
Authority
JP
Japan
Prior art keywords
light
liquid crystal
display unit
display device
crystal panel
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
Application number
JP2004524347A
Other languages
English (en)
Japanese (ja)
Other versions
JP2005534073A (ja
JP2005534073A5 (enExample
Inventor
チョイ，ジュン−ミン
リ，ドン−ホ
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Samsung Electronics Co Ltd
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=JP4454497(B2) "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 JP2005534073A publication Critical patent/JP2005534073A/ja
Publication of JP2005534073A5 publication Critical patent/JP2005534073A5/ja
Application granted granted Critical
Publication of JP4454497B2 publication Critical patent/JP4454497B2/ja
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Images

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)
JP2004524347A 2002-07-26 2003-05-28 液晶表示装置 Expired - Fee Related JP4454497B2 (ja)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR1020020044264A KR100828531B1 (ko) 2002-07-26 2002-07-26 액정 표시 장치
PCT/KR2003/001045 WO2004012004A1 (en) 2002-07-26 2003-05-28 Liquid crystal display device

Publications (3)

Publication Number Publication Date
JP2005534073A JP2005534073A (ja) 2005-11-10
JP2005534073A5 JP2005534073A5 (enExample) 2008-02-21
JP4454497B2 true JP4454497B2 (ja) 2010-04-21

Family

ID=30768200

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2004524347A Expired - Fee Related JP4454497B2 (ja) 2002-07-26 2003-05-28 液晶表示装置

Country Status (7)

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

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101341419B1 (ko) 2013-07-03 2013-12-13 주식회사 천일 고효율 도광판 및 이를 구비한 led조명기구
US10401552B2 (en) 2016-10-18 2019-09-03 Samsung Display Co., Ltd. Display apparatus

Families Citing this family (81)

* 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
EP2312380B1 (en) 2001-02-27 2020-11-18 Dolby Laboratories Licensing Corporation A method and device for displaying an image
US8687271B2 (en) 2002-03-13 2014-04-01 Dolby Laboratories Licensing Corporation N-modulation displays and related methods
EP2337010A3 (en) 2002-03-13 2011-11-02 Dolby Laboratories Licensing Corporation High dynamic range display devices
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
KR100699963B1 (ko) * 2002-10-17 2007-03-28 샤프 가부시키가이샤 표시 장치 및 표시 장치 탑재 기기
JP2004199027A (ja) * 2002-10-24 2004-07-15 Seiko Epson Corp 表示装置、及び電子機器
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
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
CN1853135B (zh) * 2003-09-19 2010-04-21 统宝香港控股有限公司 提高了对比度的透反射式显示器
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
US7411636B2 (en) * 2004-11-23 2008-08-12 Fergason Patent Properties, Llc Stereoscopic liquid crystal display (LCD) with polarization method
US20060109753A1 (en) * 2004-11-23 2006-05-25 Fergason James L Monitor for showing high-resolution and three-dimensional images and 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
EP1974339A1 (en) * 2006-01-11 2008-10-01 Tte Technology, Inc. Contrast ratio enhancement display system using black detector
WO2007081340A1 (en) * 2006-01-11 2007-07-19 Tte Technology , Inc. Contrast ratio enhancement system using asymmetrically delaying illumination control
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
CN103558686B (zh) 2006-10-06 2017-03-01 追踪有限公司 集成于显示器的照明设备中的光学损失结构
WO2008045207A2 (en) 2006-10-06 2008-04-17 Qualcomm Mems Technologies, Inc. Light guide
KR101476841B1 (ko) * 2006-12-28 2014-12-24 엘지디스플레이 주식회사 시야각 제어 액정표시장치
EP2860721B1 (en) 2007-02-01 2021-09-01 Dolby Laboratories Licensing Corporation Calibration of displays having spatially-variable backlight
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
WO2009076125A1 (en) * 2007-12-05 2009-06-18 3M Innovative Properties Company Dual lightguide
US8068710B2 (en) 2007-12-07 2011-11-29 Qualcomm Mems Technologies, Inc. Decoupled holographic film and diffuser
US7949213B2 (en) 2007-12-07 2011-05-24 Qualcomm Mems Technologies, Inc. Light illumination of displays with front light guide and coupling elements
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
JP5442113B2 (ja) 2009-05-29 2014-03-12 クォルコム・メムズ・テクノロジーズ・インコーポレーテッド 照明デバイスおよび該照明デバイスの製造方法
CN102472862A (zh) * 2009-07-10 2012-05-23 皇家飞利浦电子股份有限公司 自由形式的发光模块
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
KR102059969B1 (ko) 2012-01-11 2020-02-11 울트라-디 코퍼라티에프 유.에이. 모바일 디스플레이 디바이스
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
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
TWI592846B (zh) 2016-01-12 2017-07-21 友達光電股份有限公司 具雙面發光設計之顯示模組
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
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
ATE138753T1 (de) * 1990-09-20 1996-06-15 Illumination Research Group Pr Anzeigevorrichtung
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 (enExample) * 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
WO1999006877A1 (en) * 1997-07-30 1999-02-11 Citizen Watch Co., Ltd. Liquid crystal display
EP1102091B1 (en) * 1998-07-31 2006-10-04 Nippon Kayaku Kabushiki Kaisha Reflecting sheet and reflecting/semitransmitting sheet
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 (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101341419B1 (ko) 2013-07-03 2013-12-13 주식회사 천일 고효율 도광판 및 이를 구비한 led조명기구
US10401552B2 (en) 2016-10-18 2019-09-03 Samsung Display Co., Ltd. Display apparatus

Also Published As

Publication number Publication date
WO2004012004A1 (en) 2004-02-05
US7193666B2 (en) 2007-03-20
CN100412643C (zh) 2008-08-20
KR100828531B1 (ko) 2008-05-13
US6831711B2 (en) 2004-12-14
JP2005534073A (ja) 2005-11-10
US20040017529A1 (en) 2004-01-29
TW200403493A (en) 2004-03-01
CN1672092A (zh) 2005-09-21
TWI276880B (en) 2007-03-21
KR20040009894A (ko) 2004-01-31
AU2003228118A1 (en) 2004-02-16
US20050062913A1 (en) 2005-03-24

Similar Documents

Publication Publication Date Title
JP4454497B2 (ja) 液晶表示装置
CN101126853B (zh) 液晶显示元件和电子装置
US6456347B1 (en) Liquid crystal display
KR100846628B1 (ko) 반투과형 액정표시장치
JP3598987B2 (ja) 液晶表示装置および電子機器
TW201026997A (en) Optical sheet, illuminating device and liquid crystal display device
JPH10260403A (ja) 液晶装置及び電子機器
JP2005122103A (ja) デュアルライトユニットを有する液晶表示装置
JP3345755B2 (ja) 表示装置及びそれを用いた電子機器
KR20120075142A (ko) 백라이트 유닛 및 이를 구비한 액정표시장치
JP2006501516A (ja) 液晶表示装置
JP4546730B2 (ja) 半透過型液晶表示装置
US7619703B2 (en) Liquid crystal display
JP3843907B2 (ja) 液晶表示装置、及び電子機器
JP4205303B2 (ja) 電気光学装置および電子機器
JP3778025B2 (ja) 液晶表示装置および電子機器
JP2001183646A (ja) 液晶表示装置
KR20080057652A (ko) 시야각 제어 필름 및 이를 포함하는 액정 표시 장치
KR100846625B1 (ko) 반투과형 액정표시장치
JP2003331623A (ja) 導光体およびそれを備える照明装置ならびに表示装置
JP2007004162A (ja) 表示パネルアセンブリ、及びそれを有する表示装置
KR100357954B1 (ko) 비반전(非反轉) 액정표시소자
JP2004038204A (ja) 液晶表示装置および電子機器
KR100917015B1 (ko) 반투과형 액정표시장치
KR20060059430A (ko) 액정 표시 장치

Legal Events

Date Code Title Description
A621 Written request for application examination

Free format text: JAPANESE INTERMEDIATE CODE: A621

Effective date: 20060413

A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20071227

A871 Explanation of circumstances concerning accelerated examination

Free format text: JAPANESE INTERMEDIATE CODE: A871

Effective date: 20071227

A975 Report on accelerated examination

Free format text: JAPANESE INTERMEDIATE CODE: A971005

Effective date: 20080129

A131 Notification of reasons for refusal

Free format text: JAPANESE INTERMEDIATE CODE: A131

Effective date: 20080205

A601 Written request for extension of time

Free format text: JAPANESE INTERMEDIATE CODE: A601

Effective date: 20080502

A602 Written permission of extension of time

Free format text: JAPANESE INTERMEDIATE CODE: A602

Effective date: 20080513

A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20080603

A131 Notification of reasons for refusal

Free format text: JAPANESE INTERMEDIATE CODE: A131

Effective date: 20080909

A601 Written request for extension of time

Free format text: JAPANESE INTERMEDIATE CODE: A601

Effective date: 20081209

A602 Written permission of extension of time

Free format text: JAPANESE INTERMEDIATE CODE: A602

Effective date: 20081216

A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20090109

A02 Decision of refusal

Free format text: JAPANESE INTERMEDIATE CODE: A02

Effective date: 20090407

A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20090805

A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20090805

A911 Transfer to examiner for re-examination before appeal (zenchi)

Free format text: JAPANESE INTERMEDIATE CODE: A911

Effective date: 20090818

A131 Notification of reasons for refusal

Free format text: JAPANESE INTERMEDIATE CODE: A131

Effective date: 20091027

A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20091225

TRDD Decision of grant or rejection written
A01 Written decision to grant a patent or to grant a registration (utility model)

Free format text: JAPANESE INTERMEDIATE CODE: A01

Effective date: 20100126

A01 Written decision to grant a patent or to grant a registration (utility model)

Free format text: JAPANESE INTERMEDIATE CODE: A01

A61 First payment of annual fees (during grant procedure)

Free format text: JAPANESE INTERMEDIATE CODE: A61

Effective date: 20100202

FPAY Renewal fee payment (event date is renewal date of database)

Free format text: PAYMENT UNTIL: 20130212

Year of fee payment: 3

R150 Certificate of patent or registration of utility model

Ref document number: 4454497

Country of ref document: JP

Free format text: JAPANESE INTERMEDIATE CODE: R150

Free format text: JAPANESE INTERMEDIATE CODE: R150

FPAY Renewal fee payment (event date is renewal date of database)

Free format text: PAYMENT UNTIL: 20130212

Year of fee payment: 3

S111 Request for change of ownership or part of ownership

Free format text: JAPANESE INTERMEDIATE CODE: R313111

FPAY Renewal fee payment (event date is renewal date of database)

Free format text: PAYMENT UNTIL: 20140212

Year of fee payment: 4

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

FPAY Renewal fee payment (event date is renewal date of database)

Free format text: PAYMENT UNTIL: 20140212

Year of fee payment: 4

R371 Transfer withdrawn

Free format text: JAPANESE INTERMEDIATE CODE: R371

S111 Request for change of ownership or part of ownership

Free format text: JAPANESE INTERMEDIATE CODE: R313111

R350 Written notification of registration of transfer

Free format text: JAPANESE INTERMEDIATE CODE: R350

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

LAPS Cancellation because of no payment of annual fees