KR100312275B1 - 전방조명장치및이것을구비한반사형액정표시장치 - Google Patents

전방조명장치및이것을구비한반사형액정표시장치 Download PDF

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Publication number
KR100312275B1
KR100312275B1 KR1019980010912A KR19980010912A KR100312275B1 KR 100312275 B1 KR100312275 B1 KR 100312275B1 KR 1019980010912 A KR1019980010912 A KR 1019980010912A KR 19980010912 A KR19980010912 A KR 19980010912A KR 100312275 B1 KR100312275 B1 KR 100312275B1
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KR
South Korea
Prior art keywords
light
light guide
liquid crystal
incident
inclined portion
Prior art date
Application number
KR1019980010912A
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English (en)
Korean (ko)
Other versions
KR19980080826A (ko
Inventor
유따까 사와야마
유끼히로 스미다
다께시 마스다
쯔요시 에비
Original Assignee
마찌다 가쯔히꼬
샤프 가부시키가이샤
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Application filed by 마찌다 가쯔히꼬, 샤프 가부시키가이샤 filed Critical 마찌다 가쯔히꼬
Publication of KR19980080826A publication Critical patent/KR19980080826A/ko
Application granted granted Critical
Publication of KR100312275B1 publication Critical patent/KR100312275B1/ko

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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
    • 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
    • G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
    • G02F1/1336—Illuminating devices
    • G02F1/133616—Front illuminating devices

Landscapes

  • Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • Mathematical Physics (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Liquid Crystal (AREA)
  • Planar Illumination Modules (AREA)
  • Devices For Indicating Variable Information By Combining Individual Elements (AREA)
  • Position Input By Displaying (AREA)
  • Light Guides In General And Applications Therefor (AREA)
KR1019980010912A 1997-03-28 1998-03-28 전방조명장치및이것을구비한반사형액정표시장치 KR100312275B1 (ko)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
JP97-078211 1997-03-28
JP7821197 1997-03-28
JP97-351794 1997-12-19
JP35179497A JP3573938B2 (ja) 1997-03-28 1997-12-19 前方照明装置およびこれを備えた反射型液晶表示装置

Related Child Applications (1)

Application Number Title Priority Date Filing Date
KR1020000070869A Division KR100336602B1 (ko) 1997-03-28 2000-11-27 전방 조명 장치 및 이것을 구비한 반사형 액정 표시 장치

Publications (2)

Publication Number Publication Date
KR19980080826A KR19980080826A (ko) 1998-11-25
KR100312275B1 true KR100312275B1 (ko) 2001-12-12

Family

ID=26419298

Family Applications (3)

Application Number Title Priority Date Filing Date
KR1019980010912A KR100312275B1 (ko) 1997-03-28 1998-03-28 전방조명장치및이것을구비한반사형액정표시장치
KR1020000070869A KR100336602B1 (ko) 1997-03-28 2000-11-27 전방 조명 장치 및 이것을 구비한 반사형 액정 표시 장치
KR1020010071753A KR100399201B1 (ko) 1997-03-28 2001-11-19 전방 조명 장치 및 이것을 구비한 반사형 액정 표시 장치

Family Applications After (2)

Application Number Title Priority Date Filing Date
KR1020000070869A KR100336602B1 (ko) 1997-03-28 2000-11-27 전방 조명 장치 및 이것을 구비한 반사형 액정 표시 장치
KR1020010071753A KR100399201B1 (ko) 1997-03-28 2001-11-19 전방 조명 장치 및 이것을 구비한 반사형 액정 표시 장치

Country Status (4)

Country Link
JP (1) JP3573938B2 (zh)
KR (3) KR100312275B1 (zh)
CN (2) CN1126982C (zh)
TW (1) TW505812B (zh)

Families Citing this family (47)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3644476B2 (ja) * 1998-04-30 2005-04-27 松下電器産業株式会社 携帯用電子機器
KR100661884B1 (ko) * 1998-12-31 2007-12-04 삼성전자주식회사 반사형 액정표시장치
JP3968907B2 (ja) 1999-03-15 2007-08-29 セイコーエプソン株式会社 照明装置、その照明装置をフロントライトとして備える電気光学装置及び電子機器
WO2000057240A1 (fr) * 1999-03-19 2000-09-28 Hitachi, Ltd. Affichage a cristaux liquides
JP4113633B2 (ja) * 1999-04-20 2008-07-09 日東電工株式会社 液晶表示装置
JP4462512B2 (ja) * 1999-04-26 2010-05-12 日東電工株式会社 液晶表示装置
JP3910771B2 (ja) * 1999-11-30 2007-04-25 ローム株式会社 液晶表示装置
US6577359B2 (en) * 1999-12-10 2003-06-10 Rohm Co., Ltd. Liquid crystal display apparatus with light guide panel having light-absorbing or light-storing layer
JP3968742B2 (ja) * 2000-03-30 2007-08-29 株式会社エンプラス 導光板、面光源装置及び表示装置
JP3301752B2 (ja) 2000-03-31 2002-07-15 三菱電機株式会社 フロントライト、反射型液晶表示装置および携帯情報端末
JP4476505B2 (ja) * 2001-02-09 2010-06-09 シャープ株式会社 液晶表示装置
JP2002244132A (ja) * 2001-02-20 2002-08-28 Matsushita Electric Ind Co Ltd 反射型液晶表示装置及び画像表示応用機器
JP2002311432A (ja) * 2001-04-13 2002-10-23 Kyocera Corp 反射型液晶表示装置
JP2002350849A (ja) * 2001-05-25 2002-12-04 Citizen Electronics Co Ltd 液晶表示装置のフロントライト
JP3693163B2 (ja) * 2001-06-01 2005-09-07 シャープ株式会社 液晶表示装置及びこの液晶表示装置を備えた電子機器
JP2003043453A (ja) * 2001-08-03 2003-02-13 Minebea Co Ltd 面状照明装置
JP4524491B2 (ja) * 2001-08-28 2010-08-18 ミネベア株式会社 面状照明装置
JP3941561B2 (ja) 2001-09-14 2007-07-04 三菱電機株式会社 両面表示型液晶表示装置および情報機器
KR100434407B1 (ko) * 2001-12-17 2004-06-04 엘지.필립스 엘시디 주식회사 반투과형 필드순차구동 액정표시소자
JP2004078613A (ja) 2002-08-19 2004-03-11 Fujitsu Ltd タッチパネル装置
TWI289708B (en) 2002-12-25 2007-11-11 Qualcomm Mems Technologies Inc Optical interference type color display
JP4845336B2 (ja) 2003-07-16 2011-12-28 株式会社半導体エネルギー研究所 撮像機能付き表示装置、及び双方向コミュニケーションシステム
JP3912603B2 (ja) * 2003-09-05 2007-05-09 ソニー株式会社 光導波装置
KR20050062269A (ko) 2003-12-20 2005-06-23 엘지.필립스 엘시디 주식회사 양면 반사형 액정표시장치
US7342705B2 (en) 2004-02-03 2008-03-11 Idc, Llc Spatial light modulator with integrated optical compensation structure
JP4386749B2 (ja) 2004-02-16 2009-12-16 シチズン電子株式会社 面状光源
JP3908241B2 (ja) 2004-06-24 2007-04-25 オリンパス株式会社 映像表示装置
KR100823274B1 (ko) 2006-07-26 2008-04-17 삼성전자주식회사 조명장치 및 이를 채용한 디스플레이 장치
KR101628340B1 (ko) * 2006-10-06 2016-06-08 퀄컴 엠이엠에스 테크놀로지스, 인크. 디스플레이 장치 및 디스플레이의 형성 방법
KR100864320B1 (ko) * 2007-01-17 2008-10-20 제일모직주식회사 배면에 계단구조를 갖는 액정표시장치용 도광판
US20090168459A1 (en) * 2007-12-27 2009-07-02 Qualcomm Incorporated Light guide including conjugate film
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
KR101821429B1 (ko) * 2009-12-29 2018-01-23 퀄컴 엠이엠에스 테크놀로지스, 인크. 금속화된 광 방향 전환 특징부를 갖는 조명 장치
JP5730081B2 (ja) * 2011-03-08 2015-06-03 株式会社ジャパンディスプレイ 表示装置
JP5707275B2 (ja) * 2011-08-16 2015-04-22 株式会社ジャパンディスプレイ 表示装置および電子機器
TWI468789B (zh) * 2012-11-09 2015-01-11 Au Optronics Corp 顯示裝置
US9678266B2 (en) 2013-06-27 2017-06-13 Himax Display, Inc. Display module
KR102368883B1 (ko) * 2015-01-14 2022-03-04 엘지이노텍 주식회사 발광 장치
WO2017083583A1 (en) * 2015-11-13 2017-05-18 Reald Spark, Llc Surface features for imaging directional backlights
CN109073170B (zh) * 2016-04-05 2021-06-04 麦克赛尔株式会社 光源装置和利用其的电子装置
CN105892150B (zh) * 2016-06-08 2019-10-25 武汉华星光电技术有限公司 背光模组及液晶显示装置
CN105911737B (zh) * 2016-06-15 2020-03-03 京东方科技集团股份有限公司 一种背光源、显示装置及其控制方法
CN107329325B (zh) * 2017-08-31 2020-03-13 京东方科技集团股份有限公司 匀光结构、前置光源及显示装置
CN110094640B (zh) * 2018-01-27 2021-10-22 深圳市绎立锐光科技开发有限公司 光源***及照明装置
CN108446677A (zh) * 2018-05-03 2018-08-24 东莞市美光达光学科技有限公司 一种用于屏幕下方的指纹识别模组
CN113711108B (zh) 2019-04-26 2024-04-12 松下知识产权经营株式会社 光学***、照明***、显示***和移动车辆
JP2020183979A (ja) * 2019-04-26 2020-11-12 パナソニックＩｐマネジメント株式会社 光学システム、照明システム、表示システム、及び移動体

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH01189627A (ja) * 1988-01-26 1989-07-28 Citizen Watch Co Ltd 液晶表示装置用照明装置

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5050946A (en) * 1990-09-27 1991-09-24 Compaq Computer Corporation Faceted light pipe
JPH05297366A (ja) * 1992-02-19 1993-11-12 Sharp Corp 液晶表示装置
US5165772A (en) * 1992-03-18 1992-11-24 Hughes Aircraft Company Visual display device
DE69329167T2 (de) * 1992-05-15 2001-04-05 Matsushita Electric Industrial Co., Ltd. Flüssigkristalltafel und Flüssigkristall-Projektions-Fernsehempfänger
KR950000413B1 (ko) * 1992-11-25 1995-01-19 주식회사 신도리코 수동급지대의 분리급지장치
DE19521254A1 (de) * 1994-06-24 1996-01-04 Minnesota Mining & Mfg Anzeigesystem mit Helligkeitsverstärkungsfilm

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH01189627A (ja) * 1988-01-26 1989-07-28 Citizen Watch Co Ltd 液晶表示装置用照明装置

Also Published As

Publication number Publication date
KR100336602B1 (ko) 2002-05-16
KR19980080826A (ko) 1998-11-25
TW505812B (en) 2002-10-11
KR100399201B1 (ko) 2003-09-26
JPH10326515A (ja) 1998-12-08
CN1126982C (zh) 2003-11-05
JP3573938B2 (ja) 2004-10-06
CN1195118A (zh) 1998-10-07
CN100340905C (zh) 2007-10-03
CN1492266A (zh) 2004-04-28

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