WO2003029884A1 - Dispositif d'affichage a cristaux liquides - Google Patents

Dispositif d'affichage a cristaux liquides Download PDF

Info

Publication number
WO2003029884A1
WO2003029884A1 PCT/JP2002/010085 JP0210085W WO03029884A1 WO 2003029884 A1 WO2003029884 A1 WO 2003029884A1 JP 0210085 W JP0210085 W JP 0210085W WO 03029884 A1 WO03029884 A1 WO 03029884A1
Authority
WO
WIPO (PCT)
Prior art keywords
liquid crystal
display device
crystal panel
optical guide
crystal display
Prior art date
Application number
PCT/JP2002/010085
Other languages
English (en)
French (fr)
Inventor
Takashi Akiyama
Original Assignee
Citizen Watch 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
Application filed by Citizen Watch Co., Ltd. filed Critical Citizen Watch Co., Ltd.
Priority to US10/490,961 priority Critical patent/US7301591B2/en
Priority to JP2003533039A priority patent/JP4011544B2/ja
Publication of WO2003029884A1 publication Critical patent/WO2003029884A1/ja

Links

Classifications

    • 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
    • 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
    • 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
PCT/JP2002/010085 2001-09-28 2002-09-27 Dispositif d'affichage a cristaux liquides WO2003029884A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
US10/490,961 US7301591B2 (en) 2001-09-28 2002-09-27 Liquid crystal display device wherein the number of light emitting elements activated differs depending on whether display is performed by the first or second liquid crystal panel
JP2003533039A JP4011544B2 (ja) 2001-09-28 2002-09-27 液晶表示装置

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2001300278 2001-09-28
JP2001/300278 2001-09-28

Publications (1)

Publication Number Publication Date
WO2003029884A1 true WO2003029884A1 (fr) 2003-04-10

Family

ID=19120884

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2002/010085 WO2003029884A1 (fr) 2001-09-28 2002-09-27 Dispositif d'affichage a cristaux liquides

Country Status (4)

Country Link
US (1) US7301591B2 (ja)
JP (1) JP4011544B2 (ja)
CN (1) CN100440004C (ja)
WO (1) WO2003029884A1 (ja)

Cited By (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2005077429A (ja) * 2003-08-29 2005-03-24 Seiko Instruments Inc 表示装置
EP1571486A1 (en) * 2004-02-25 2005-09-07 Citizen Electronics Co., Ltd. Double-faced lighting device
JP2005275184A (ja) * 2004-03-26 2005-10-06 Citizen Watch Co Ltd 液晶装置
US7106396B2 (en) 2002-10-24 2006-09-12 Seiko Epson Corporation Display unit and electronic apparatus including a backlight disposed between two display surfaces
US7198028B2 (en) 2001-07-18 2007-04-03 Walbro Engine Management, L.L.C. Ignition timing control system for light duty combustion engines
JP2007148442A (ja) * 2007-02-24 2007-06-14 Seiko Instruments Inc 液晶表示装置
US7365730B2 (en) 2003-07-31 2008-04-29 Seiko Epson Corporation Double-sided liquid crystal display device
US7380953B2 (en) 2002-10-30 2008-06-03 Seiko Epson Corporation Display device and electronic apparatus
JP2009175756A (ja) * 2002-04-30 2009-08-06 Casio Comput Co Ltd 液晶表示装置
US7852431B2 (en) 2003-12-15 2010-12-14 Tpo Hong Kong Holding Limited Backlight device
USRE42365E1 (en) 2002-01-10 2011-05-17 Casio Computer Co., Ltd. Liquid crystal display apparatus having display panels on both upper and lower surfaces
US8049840B2 (en) 2004-08-17 2011-11-01 Citizen Holdings Co., Ltd. Double-sided display apparatus
DE102004038344B4 (de) * 2003-08-08 2015-04-30 Citizen Electronics Company Limited Doppelseitige Beleuchtungsvorrichtung
CN105589239A (zh) * 2015-11-16 2016-05-18 业成光电（深圳）有限公司 双面式液晶显示模组

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JP3873256B2 (ja) * 2003-01-24 2007-01-24 ミネベア株式会社 面状照明装置
JP4026135B2 (ja) 2003-02-20 2007-12-26 ミネベア株式会社 面状照明装置
TW200424619A (en) * 2003-03-18 2004-11-16 Hitachi Displays Ltd LCD apparatus
US7599021B2 (en) * 2003-07-23 2009-10-06 Sharp Kabushiki Kaisha Liquid crystal display device
JP4079143B2 (ja) * 2003-12-22 2008-04-23 セイコーエプソン株式会社 照明装置、電気光学装置及び電子機器
TWI252951B (en) * 2004-03-04 2006-04-11 Au Optronics Corp Backlight unit and display device
US20060152648A1 (en) * 2005-01-12 2006-07-13 Samsung Electronics Co., Ltd. Display device and portable display apparatus including the same
KR20060086174A (ko) * 2005-01-26 2006-07-31 삼성전자주식회사 일체형 액정 표시 장치
TW200636345A (en) * 2005-04-15 2006-10-16 Jemitek Electronics Corp Structure of the dual-display liquid crystal display
JP2006323315A (ja) * 2005-05-20 2006-11-30 Citizen Electronics Co Ltd 表裏一体型バックライト
JP2006330737A (ja) * 2005-05-26 2006-12-07 Samsung Electronics Co Ltd 表示装置及びそれを搭載する携帯型電子機器
TWI398705B (zh) * 2005-11-04 2013-06-11 Semiconductor Energy Lab 顯示裝置
WO2007063782A1 (en) * 2005-11-30 2007-06-07 Semiconductor Energy Laboratory Co., Ltd. Display device
EP1793264A1 (en) * 2005-12-05 2007-06-06 Semiconductor Energy Laboratory Co., Ltd. Liquid crystal display device
EP1804114B1 (en) 2005-12-28 2014-03-05 Semiconductor Energy Laboratory Co., Ltd. Display device
JP4205105B2 (ja) * 2006-01-04 2009-01-07 株式会社東芝 携帯電子機器
US20090046212A1 (en) * 2006-01-30 2009-02-19 Toshihide Tsubata Liquid crystal display device and television receiver
EP1832915B1 (en) 2006-01-31 2012-04-18 Semiconductor Energy Laboratory Co., Ltd. Display device with improved contrast
EP1826604B1 (en) * 2006-01-31 2015-12-23 Semiconductor Energy Laboratory Co., Ltd. Display device
KR20080092466A (ko) * 2006-02-02 2008-10-15 가부시키가이샤 한도오따이 에네루기 켄큐쇼 표시장치
EP1816508A1 (en) 2006-02-02 2007-08-08 Semiconductor Energy Laboratory Co., Ltd. Display device
EP1826606B1 (en) 2006-02-24 2012-12-26 Semiconductor Energy Laboratory Co., Ltd. Display device
EP1826605A1 (en) 2006-02-24 2007-08-29 Semiconductor Energy Laboratory Co., Ltd. Display device
TWI308244B (en) * 2006-04-07 2009-04-01 Innolux Display Corp Double-sided liquid crystal display device
CN101467199B (zh) * 2006-08-02 2011-08-31 夏普株式会社 液晶显示装置、液晶显示方法以及电视接收机
US7855764B2 (en) * 2006-11-02 2010-12-21 Sony Corporation Electro-optical device and electronic apparatus
JP2008130248A (ja) * 2006-11-16 2008-06-05 Enplas Corp 面光源装置及びこれを備えた表示装置
KR101346979B1 (ko) 2007-02-16 2014-01-02 엘지디스플레이 주식회사 백라이트 유닛 및 이를 갖는 표시 장치
US8305515B2 (en) * 2007-02-16 2012-11-06 Lg Display Co., Ltd. Backlight unit and display device having the same using two different lights
CN101631149B (zh) * 2008-07-17 2012-09-26 比亚迪股份有限公司 一种手机及其外壳背光模组的制造方法
US8529111B2 (en) * 2009-02-12 2013-09-10 Nai-Chien Chang Notebook computer having dual display screens
US7876288B1 (en) 2010-08-11 2011-01-25 Chumby Industries, Inc. Touchscreen with a light modulator
KR101833969B1 (ko) 2011-01-03 2018-04-16 엘지디스플레이 주식회사 양방향 액정표시장치
TW201326987A (zh) * 2011-12-23 2013-07-01 Asustek Comp Inc 雙螢幕結構
KR20130110491A (ko) 2012-03-29 2013-10-10 삼성디스플레이 주식회사 액정표시장치
CN103376589B (zh) * 2012-04-17 2016-06-01 扬升照明股份有限公司 显示装置
US9389415B2 (en) 2012-04-27 2016-07-12 Leia Inc. Directional pixel for use in a display screen
US9459461B2 (en) 2012-05-31 2016-10-04 Leia Inc. Directional backlight
US9201270B2 (en) 2012-06-01 2015-12-01 Leia Inc. Directional backlight with a modulation layer
US9298168B2 (en) 2013-01-31 2016-03-29 Leia Inc. Multiview 3D wrist watch
PL2938919T3 (pl) 2013-07-30 2019-06-28 Leia Inc. Podświetlanie oparte na wielowiązkowej siatce dyfrakcyjnej
US9361851B1 (en) 2014-03-18 2016-06-07 Google Inc. Electrochromic two way display for two in one laptop/tablet form factors
US9557466B2 (en) 2014-07-30 2017-01-31 Leia, Inc Multibeam diffraction grating-based color backlighting
EP3243094B1 (en) 2015-01-10 2022-03-23 LEIA Inc. Multibeam grating-based backlight and a method of electronic display operation
JP6824171B2 (ja) 2015-01-10 2021-02-10 レイア、インコーポレイテッドＬｅｉａ Ｉｎｃ． 制御された回折カップリング効率を有する回折格子ベースの背面照明
EP3243101A4 (en) 2015-01-10 2018-09-26 LEIA Inc. Two-dimensional/three-dimensional (2d/3d) switchable display backlight and electronic display
PT3248058T (pt) 2015-01-19 2020-07-28 Leia Inc Iluminação de fundo unidireccional com base em grelha que utiliza uma consola de reflexão
JP6633087B2 (ja) 2015-01-28 2020-01-22 レイア、インコーポレイテッドＬｅｉａ Ｉｎｃ． ３次元（３ｄ）電子ディスプレイ
KR102329107B1 (ko) 2015-03-16 2021-11-18 레이아 인코포레이티드 각도 선택 반사층을 채용한 단일 방향 격자-기반 백라이팅
EP3292432B1 (en) 2015-04-23 2023-06-28 LEIA Inc. Dual light guide grating-based backlight and electronic display using same
WO2016182549A1 (en) 2015-05-09 2016-11-17 Leia Inc. Color-scanning grating-based backlight and electronic display using same
EP3303088B1 (en) 2015-05-30 2020-06-24 LEIA Inc. Vehicle monitoring system
CN108230905A (zh) * 2018-01-02 2018-06-29 京东方科技集团股份有限公司 一种显示屏及显示装置
US11927793B2 (en) 2022-03-31 2024-03-12 Innolux Corporation Double-sided display device

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH032994A (ja) * 1989-05-31 1991-01-09 Fujitsu Ltd 競技場の窓口操作卓の情報表示装置
JPH0990325A (ja) * 1995-09-26 1997-04-04 Toshiba Corp 液晶表示装置
US5982540A (en) * 1994-03-16 1999-11-09 Enplas Corporation Surface light source device with polarization function
JP2001111476A (ja) * 1999-10-12 2001-04-20 Denso Corp 携帯電話
JP2001186227A (ja) * 1999-12-27 2001-07-06 Sanyo Electric Co Ltd 折り畳み式携帯電話機
JP2001194661A (ja) * 2000-01-11 2001-07-19 Kyocera Corp 反射型液晶表示装置
JP2002189230A (ja) * 2000-12-20 2002-07-05 Matsushita Electric Ind Co Ltd 液晶表示装置、及び立体視表示装置
JP2002258284A (ja) * 2000-11-25 2002-09-11 Hyundai Display Technology Inc 液晶表示素子の両面光出力型バックライトユニット

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JPH1090678A (ja) * 1996-09-12 1998-04-10 Nec Yonezawa Ltd 液晶表示装置及びその使用方法
KR100433607B1 (ko) * 1999-02-01 2004-05-31 세이코 엡슨 가부시키가이샤 표시 장치, 그것을 사용한 전자기기 및 표시 장치용 도광체
JP3714044B2 (ja) * 1999-07-15 2005-11-09 セイコーエプソン株式会社 液晶表示装置およびその製造方法ならびに電子機器
KR100432009B1 (ko) * 2001-12-03 2004-05-22 주식회사 팬택 이동형 정보통신 기기용 양방향 디스플레이형 액정표시장치

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH032994A (ja) * 1989-05-31 1991-01-09 Fujitsu Ltd 競技場の窓口操作卓の情報表示装置
US5982540A (en) * 1994-03-16 1999-11-09 Enplas Corporation Surface light source device with polarization function
JPH0990325A (ja) * 1995-09-26 1997-04-04 Toshiba Corp 液晶表示装置
JP2001111476A (ja) * 1999-10-12 2001-04-20 Denso Corp 携帯電話
JP2001186227A (ja) * 1999-12-27 2001-07-06 Sanyo Electric Co Ltd 折り畳み式携帯電話機
JP2001194661A (ja) * 2000-01-11 2001-07-19 Kyocera Corp 反射型液晶表示装置
JP2002258284A (ja) * 2000-11-25 2002-09-11 Hyundai Display Technology Inc 液晶表示素子の両面光出力型バックライトユニット
JP2002189230A (ja) * 2000-12-20 2002-07-05 Matsushita Electric Ind Co Ltd 液晶表示装置、及び立体視表示装置

Cited By (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7198028B2 (en) 2001-07-18 2007-04-03 Walbro Engine Management, L.L.C. Ignition timing control system for light duty combustion engines
USRE42365E1 (en) 2002-01-10 2011-05-17 Casio Computer Co., Ltd. Liquid crystal display apparatus having display panels on both upper and lower surfaces
JP2009175756A (ja) * 2002-04-30 2009-08-06 Casio Comput Co Ltd 液晶表示装置
US7106396B2 (en) 2002-10-24 2006-09-12 Seiko Epson Corporation Display unit and electronic apparatus including a backlight disposed between two display surfaces
US7196751B2 (en) 2002-10-24 2007-03-27 Seiko Epson Corporation Display unit comprising one large and one small display and electronic apparatus
US7920229B2 (en) 2002-10-30 2011-04-05 Seiko Epson Corporation Display device having first and second display units separated by an optical sheet having an aperture with a width corresponding to one of the display units
US7380953B2 (en) 2002-10-30 2008-06-03 Seiko Epson Corporation Display device and electronic apparatus
US7538834B2 (en) 2002-10-30 2009-05-26 Seiko Epson Corporation Display device and electronic apparatus
US7365730B2 (en) 2003-07-31 2008-04-29 Seiko Epson Corporation Double-sided liquid crystal display device
CN100410765C (zh) * 2003-07-31 2008-08-13 精工爱普生株式会社 两面液晶显示装置
DE102004038344B8 (de) * 2003-08-08 2015-07-23 Citizen Electronics Co., Ltd. Doppelseitige Beleuchtungsvorrichtung
DE102004038344B4 (de) * 2003-08-08 2015-04-30 Citizen Electronics Company Limited Doppelseitige Beleuchtungsvorrichtung
JP2005077429A (ja) * 2003-08-29 2005-03-24 Seiko Instruments Inc 表示装置
US7852431B2 (en) 2003-12-15 2010-12-14 Tpo Hong Kong Holding Limited Backlight device
EP1571486A1 (en) * 2004-02-25 2005-09-07 Citizen Electronics Co., Ltd. Double-faced lighting device
JP2005275184A (ja) * 2004-03-26 2005-10-06 Citizen Watch Co Ltd 液晶装置
JP4571423B2 (ja) * 2004-03-26 2010-10-27 シチズンホールディングス株式会社 液晶装置
US8049840B2 (en) 2004-08-17 2011-11-01 Citizen Holdings Co., Ltd. Double-sided display apparatus
JP2007148442A (ja) * 2007-02-24 2007-06-14 Seiko Instruments Inc 液晶表示装置
CN105589239A (zh) * 2015-11-16 2016-05-18 业成光电（深圳）有限公司 双面式液晶显示模组

Also Published As

Publication number Publication date
JP4011544B2 (ja) 2007-11-21
JPWO2003029884A1 (ja) 2005-01-20
US7301591B2 (en) 2007-11-27
CN100440004C (zh) 2008-12-03
CN1639618A (zh) 2005-07-13
US20050073627A1 (en) 2005-04-07

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