TWI234750B - Surface light source device and image display device - Google Patents

Surface light source device and image display device Download PDF

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Publication number
TWI234750B
TWI234750B TW090117171A TW90117171A TWI234750B TW I234750 B TWI234750 B TW I234750B TW 090117171 A TW090117171 A TW 090117171A TW 90117171 A TW90117171 A TW 90117171A TW I234750 B TWI234750 B TW I234750B
Authority
TW
Taiwan
Prior art keywords
tongue piece
tongue
light source
frame
source device
Prior art date
Application number
TW090117171A
Other languages
English (en)
Chinese (zh)
Inventor
Mamoru Yoshida
Takeshi Shioya
Original Assignee
Enplas Corp
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 Enplas Corp filed Critical Enplas Corp
Application granted granted Critical
Publication of TWI234750B publication Critical patent/TWI234750B/zh

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
    • G02F1/133615—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
    • G02B6/0045—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 by shaping at least a portion of the light guide
    • G02B6/0046—Tapered light guide, e.g. wedge-shaped 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
    • G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
    • G02F1/133524—Light-guides, e.g. fibre-optic bundles, louvered or jalousie light-guides
    • 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
    • G02F2201/00—Constructional arrangements not provided for in groups G02F1/00 - G02F7/00
    • G02F2201/46—Fixing elements

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)
  • Planar Illumination Modules (AREA)
  • Liquid Crystal (AREA)
  • Devices For Indicating Variable Information By Combining Individual Elements (AREA)
TW090117171A 2000-07-19 2001-07-13 Surface light source device and image display device TWI234750B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2000219503A JP2002040959A (ja) 2000-07-19 2000-07-19 面光源装置及び画像表示装置

Publications (1)

Publication Number Publication Date
TWI234750B true TWI234750B (en) 2005-06-21

Family

ID=18714280

Family Applications (1)

Application Number Title Priority Date Filing Date
TW090117171A TWI234750B (en) 2000-07-19 2001-07-13 Surface light source device and image display device

Country Status (3)

Country Link
JP (1) JP2002040959A (ja)
KR (1) KR100853980B1 (ja)
TW (1) TWI234750B (ja)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002196312A (ja) * 2000-12-25 2002-07-12 Hitachi Ltd 液晶表示装置
KR20030020526A (ko) * 2001-08-29 2003-03-10 주식회사 현대 디스플레이 테크놀로지 액정표시장치의 백라이트 유닛
KR100852167B1 (ko) 2002-03-08 2008-08-13 삼성전자주식회사 평판 표시 장치
KR100460058B1 (ko) * 2002-03-08 2004-12-04 비오이 하이디스 테크놀로지 주식회사 액정표시장치의 백라이트 유니트
KR100840715B1 (ko) * 2002-05-28 2008-06-23 삼성전자주식회사 백 라이트 어셈블리 및 이를 갖는 액정 표시 장치
KR100878206B1 (ko) * 2002-08-13 2009-01-13 삼성전자주식회사 광학 시트, 이를 이용한 백라이트 어셈블리 및 액정표시장치
KR100914392B1 (ko) * 2002-12-31 2009-08-28 엘지디스플레이 주식회사 백라이트 어셈블리
JP2005158707A (ja) * 2003-11-07 2005-06-16 Sharp Corp バックライト装置及びこれを用いた液晶表示装置
JP4197498B2 (ja) * 2004-01-22 2008-12-17 シャープ株式会社 液晶表示装置
KR100690105B1 (ko) * 2005-04-04 2007-03-19 우 옵트로닉스 코포레이션 역광모듈용 하우징 구조 및 그를 사용한 역광모듈
KR101232045B1 (ko) * 2005-08-24 2013-02-12 삼성디스플레이 주식회사 백라이트 어셈블리 및 이를 갖는 액정표시장치
KR100805537B1 (ko) * 2005-12-02 2008-02-20 삼성에스디아이 주식회사 휴대용 표시장치
KR100754382B1 (ko) * 2006-01-20 2007-08-31 삼성전기주식회사 백라이트 유닛
KR101867044B1 (ko) * 2011-11-02 2018-07-23 엘지이노텍 주식회사 백라이트 유닛, 이를 이용한 디스플레이 장치 및 이를 포함하는 조명 장치
WO2015037404A1 (ja) * 2013-09-10 2015-03-19 堺ディスプレイプロダクト株式会社 表示装置
JP6917557B2 (ja) * 2017-03-31 2021-08-11 パナソニックＩｐマネジメント株式会社 表示装置

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH06148602A (ja) * 1992-11-12 1994-05-27 Sharp Corp 液晶表示装置
JPH09185056A (ja) * 1995-12-28 1997-07-15 Toshiba Lighting & Technol Corp バックライト及びこれを用いた液晶表示装置
JP2000510198A (ja) * 1996-04-23 2000-08-08 イー・アイ・デユポン・ドウ・ヌムール・アンド・カンパニー 接合されたポリオレフィンシート
JPH10148819A (ja) * 1996-11-18 1998-06-02 Toshiba Corp 液晶表示装置
KR20000010588U (ko) * 1998-11-24 2000-06-15 김순택 액정표시장치
KR100319201B1 (ko) * 1998-12-04 2002-10-25 삼성전자 주식회사 액정표시장치

Also Published As

Publication number Publication date
JP2002040959A (ja) 2002-02-08
KR100853980B1 (ko) 2008-08-25
KR20020008079A (ko) 2002-01-29

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