CN1291269C - 液晶显示装置 - Google Patents

液晶显示装置 Download PDF

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Publication number
CN1291269C
CN1291269C CNB2003101023799A CN200310102379A CN1291269C CN 1291269 C CN1291269 C CN 1291269C CN B2003101023799 A CNB2003101023799 A CN B2003101023799A CN 200310102379 A CN200310102379 A CN 200310102379A CN 1291269 C CN1291269 C CN 1291269C
Authority
CN
China
Prior art keywords
light
liquid crystal
crystal display
polarizing plate
diffusing
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 - Lifetime
Application number
CNB2003101023799A
Other languages
English (en)
Chinese (zh)
Other versions
CN1499258A (zh
Inventor
福田晃一
永田彻也
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.)
Panasonic Liquid Crystal Display Co Ltd
Japan Display Inc
Original Assignee
Hitachi Displays 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 Hitachi Displays Ltd filed Critical Hitachi Displays Ltd
Publication of CN1499258A publication Critical patent/CN1499258A/zh
Application granted granted Critical
Publication of CN1291269C publication Critical patent/CN1291269C/zh
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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
    • G02B6/005—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
    • 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
    • G02F1/1336—Illuminating devices
    • G02F1/133626—Illuminating devices providing two modes of illumination, e.g. day-night

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Liquid Crystal (AREA)
  • Optical Elements Other Than Lenses (AREA)
  • Securing Globes, Refractors, Reflectors Or The Like (AREA)
  • Planar Illumination Modules (AREA)
  • Polarising Elements (AREA)
CNB2003101023799A 2002-10-28 2003-10-27 液晶显示装置 Expired - Lifetime CN1291269C (zh)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2002312032A JP4574942B2 (ja) 2002-10-28 2002-10-28 液晶表示装置
JP312032/2002 2002-10-28

Related Child Applications (1)

Application Number Title Priority Date Filing Date
CNB2006101444147A Division CN100451765C (zh) 2002-10-28 2003-10-27 液晶显示装置

Publications (2)

Publication Number Publication Date
CN1499258A CN1499258A (zh) 2004-05-26
CN1291269C true CN1291269C (zh) 2006-12-20

Family

ID=32321594

Family Applications (2)

Application Number Title Priority Date Filing Date
CNB2003101023799A Expired - Lifetime CN1291269C (zh) 2002-10-28 2003-10-27 液晶显示装置
CNB2006101444147A Expired - Lifetime CN100451765C (zh) 2002-10-28 2003-10-27 液晶显示装置

Family Applications After (1)

Application Number Title Priority Date Filing Date
CNB2006101444147A Expired - Lifetime CN100451765C (zh) 2002-10-28 2003-10-27 液晶显示装置

Country Status (3)

Country Link
US (2) US7443461B2 (cg-RX-API-DMAC7.html)
JP (1) JP4574942B2 (cg-RX-API-DMAC7.html)
CN (2) CN1291269C (cg-RX-API-DMAC7.html)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2005227708A (ja) * 2004-02-16 2005-08-25 Toshiba Matsushita Display Technology Co Ltd 液晶表示素子
JP2006208534A (ja) * 2005-01-26 2006-08-10 Sanyo Epson Imaging Devices Corp 液晶表示装置
DE102005047614A1 (de) * 2005-10-05 2007-04-12 Bayer Materialscience Ag Licht streuende Kunststoffzusammensetzung mit hoher Helligkeit und deren Verwendung in Flachbildschirmen
US7733440B2 (en) * 2006-06-02 2010-06-08 Citizen Holdings Co., Ltd. Liquid crystal display device
JP2009036879A (ja) * 2007-07-31 2009-02-19 Casio Comput Co Ltd 液晶表示素子
KR101376245B1 (ko) * 2007-08-28 2014-03-21 엘지디스플레이 주식회사 액정표시장치용 백라이트 유닛
JP4569612B2 (ja) * 2007-09-06 2010-10-27 ソニー株式会社 液晶表示装置
KR101625089B1 (ko) * 2009-02-19 2016-05-30 삼성전자주식회사 반사투과 일체형 디스플레이 장치
KR101580994B1 (ko) * 2009-03-13 2016-01-12 삼성전자주식회사 반사 투과 일체형 디스플레이 장치
TWI481932B (zh) * 2012-06-26 2015-04-21 Au Optronics Corp 顯示裝置及組合成之顯示系統
KR20170019086A (ko) * 2015-08-11 2017-02-21 삼성전자주식회사 백 라이트 유닛 및 디스플레이 장치

Family Cites Families (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5418631A (en) * 1993-05-14 1995-05-23 Kaiser Optical Systems, Inc. Edge-lit holographic diffusers for flat-panel displays
US6804058B1 (en) * 1993-12-21 2004-10-12 3M Innovative Properties Company Electroluminescent light source and display incorporating same
US5847795A (en) * 1995-07-27 1998-12-08 Canon Kabushiki Kaisha Liquid crystal display apparatus and anti-reflection film applicable thereto
JP3233146B2 (ja) * 1996-08-23 2001-11-26 セイコーエプソン株式会社 表示素子及びそれを用いた電子機器
US6359668B1 (en) * 1997-05-14 2002-03-19 Seiko Epson Corporation Display device and electronic apparatus using the same
JP3460588B2 (ja) * 1997-09-18 2003-10-27 セイコーエプソン株式会社 表示装置及びそれを用いた電子機器
JPH11212073A (ja) * 1998-01-26 1999-08-06 Hitachi Ltd 液晶表示装置
JPH11316372A (ja) * 1998-04-30 1999-11-16 Seiko Epson Corp 液晶装置および電子機器
RU2224269C2 (ru) * 1998-07-31 2004-02-20 Ниппон Каяку Кабусики Кайся Рефлекторы и трансфлекторы
CN1156731C (zh) * 1999-02-01 2004-07-07 精工爱普生株式会社 显示装置和使用它的电子机器以及显示装置用的导光体
JP2000330107A (ja) 1999-05-24 2000-11-30 Nitto Denko Corp 液晶表示装置
JP2001083508A (ja) * 1999-09-14 2001-03-30 Seiko Epson Corp 表示装置及びそれを用いた電子機器
JP2001091943A (ja) 1999-09-24 2001-04-06 Casio Comput Co Ltd 液晶表示装置
JP4652527B2 (ja) * 2000-05-16 2011-03-16 株式会社きもと 光拡散性シート
JP4557389B2 (ja) * 2000-06-02 2010-10-06 大日本印刷株式会社 保護拡散フィルム、面光源装置及び液晶表示装置
JP3799981B2 (ja) 2000-09-26 2006-07-19 カシオ計算機株式会社 液晶表示装置
JP2002098960A (ja) 2000-09-26 2002-04-05 Casio Comput Co Ltd 表示装置
JP2002245825A (ja) * 2001-02-15 2002-08-30 Nec Corp バックライト、液晶表示装置及び電子機器
JP2002303728A (ja) * 2001-04-06 2002-10-18 Nitto Denko Corp 偏光板およびその製造方法、偏光板用接着剤、偏光板を用いた光学フイルムならびに液晶表示装置
JP2003015133A (ja) * 2001-04-27 2003-01-15 Citizen Watch Co Ltd 液晶表示装置
US6827460B2 (en) * 2001-08-03 2004-12-07 Casio Computer Co., Ltd. Lighting panel having light-collecting function and display device using same

Also Published As

Publication number Publication date
CN100451765C (zh) 2009-01-14
US20040100597A1 (en) 2004-05-27
US7443461B2 (en) 2008-10-28
CN1499258A (zh) 2004-05-26
CN1936672A (zh) 2007-03-28
JP4574942B2 (ja) 2010-11-04
JP2004145155A (ja) 2004-05-20
US20090027593A1 (en) 2009-01-29

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Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
C14 Grant of patent or utility model
GR01 Patent grant
ASS Succession or assignment of patent right

Owner name: IPS ALPHA SUPPORT CO., LTD.

Owner name: PANASONIC LCD CO., LTD.

Free format text: FORMER OWNER: IPS ALPHA SUPPORT CO., LTD.

C41 Transfer of patent application or patent right or utility model
TR01 Transfer of patent right

Effective date of registration: 20110908

Address after: Chiba County, Japan

Co-patentee after: Panasonic Liquid Crystal Display Co.,Ltd.

Patentee after: Hitachi Displays, Ltd.

Address before: Chiba County, Japan

Co-patentee before: IPS pioneer support society

Patentee before: Hitachi Displays, Ltd.

Effective date of registration: 20110908

Address after: Chiba County, Japan

Co-patentee after: IPS Pioneer Support Society

Patentee after: Hitachi Displays, Ltd.

Address before: Chiba County, Japan

Patentee before: Hitachi Displays, Ltd.

C56 Change in the name or address of the patentee

Owner name: JAPAN DISPLAY, INC.

Free format text: FORMER NAME: APAN DISPLAY EAST, INC.

Owner name: APAN DISPLAY EAST, INC.

Free format text: FORMER NAME: HITACHI DISPLAY CO., LTD.

CP01 Change in the name or title of a patent holder

Address after: Chiba County, Japan

Patentee after: Japan Display East Inc.

Patentee after: Panasonic Liquid Crystal Display Co.,Ltd.

Address before: Chiba County, Japan

Patentee before: Hitachi Displays, Ltd.

Patentee before: Panasonic Liquid Crystal Display Co.,Ltd.

CP03 Change of name, title or address

Address after: Tokyo port xixinqiao Japan three chome 7 No. 1

Patentee after: JAPAN DISPLAY Inc.

Patentee after: Panasonic Liquid Crystal Display Co.,Ltd.

Address before: Chiba County, Japan

Patentee before: Japan Display East Inc.

Patentee before: Panasonic Liquid Crystal Display Co.,Ltd.

EE01 Entry into force of recordation of patent licensing contract

Application publication date: 20040526

Assignee: BOE TECHNOLOGY GROUP Co.,Ltd.

Assignor: JAPAN DISPLAY Inc.|Panasonic Liquid Crystal Display Co.,Ltd.

Contract record no.: 2013990000688

Denomination of invention: Liquid crystal display device

Granted publication date: 20061220

License type: Common License

Record date: 20131016

LICC Enforcement, change and cancellation of record of contracts on the licence for exploitation of a patent or utility model
CX01 Expiry of patent term
CX01 Expiry of patent term

Granted publication date: 20061220