JP4623613B2 - 画像表示装置及び面光源装置 - Google Patents

画像表示装置及び面光源装置 Download PDF

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Publication number
JP4623613B2
JP4623613B2 JP2000269328A JP2000269328A JP4623613B2 JP 4623613 B2 JP4623613 B2 JP 4623613B2 JP 2000269328 A JP2000269328 A JP 2000269328A JP 2000269328 A JP2000269328 A JP 2000269328A JP 4623613 B2 JP4623613 B2 JP 4623613B2
Authority
JP
Japan
Prior art keywords
guide plate
light guide
light
inclined surface
display device
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
JP2000269328A
Other languages
English (en)
Japanese (ja)
Other versions
JP2002082622A5 (https=
JP2002082622A (ja
Inventor
学 高塩
浩 山崎
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.)
Enplas Corp
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
Priority to JP2000269328A priority Critical patent/JP4623613B2/ja
Priority to TW090121725A priority patent/TW588298B/zh
Priority to KR1020010054441A priority patent/KR100768028B1/ko
Publication of JP2002082622A publication Critical patent/JP2002082622A/ja
Publication of JP2002082622A5 publication Critical patent/JP2002082622A5/ja
Application granted granted Critical
Publication of JP4623613B2 publication Critical patent/JP4623613B2/ja
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Classifications

    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/0001Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
    • G02B6/0011Light 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
    • G02B6/0013Means for improving the coupling-in of light from the light source into the light guide
    • G02B6/0023Means for improving the coupling-in of light from the light source into the light guide provided by one optical element, or plurality thereof, placed between the light guide and the light source, or around the light source
    • G02B6/0031Reflecting element, sheet or layer
    • GPHYSICS
    • G02OPTICS
    • G02FOPTICAL 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
    • G02F1/00Devices 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
    • G02F1/01Devices 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 
    • G02F1/13Devices 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
    • G02F1/133Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333Constructional arrangements; Manufacturing methods
    • G02F1/1335Structural association of cells with optical devices, e.g. polarisers or reflectors
    • G02F1/133524Light-guides, e.g. fibre-optic bundles, louvered or jalousie light-guides
    • GPHYSICS
    • G02OPTICS
    • G02FOPTICAL 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
    • G02F1/00Devices 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
    • G02F1/01Devices 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 
    • G02F1/13Devices 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
    • G02F1/133Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333Constructional arrangements; Manufacturing methods
    • G02F1/1335Structural association of cells with optical devices, e.g. polarisers or reflectors
    • G02F1/1336Illuminating devices
    • G02F1/133602Direct backlight
    • GPHYSICS
    • G02OPTICS
    • G02FOPTICAL 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
    • G02F1/00Devices 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
    • G02F1/01Devices 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 
    • G02F1/13Devices 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
    • G02F1/133Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333Constructional arrangements; Manufacturing methods
    • G02F1/1335Structural association of cells with optical devices, e.g. polarisers or reflectors
    • G02F1/1336Illuminating devices
    • G02F1/133602Direct backlight
    • G02F1/133605Direct backlight including specially adapted reflectors
    • GPHYSICS
    • G02OPTICS
    • G02FOPTICAL 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
    • G02F1/00Devices 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
    • G02F1/01Devices 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 
    • G02F1/13Devices 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
    • G02F1/133Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333Constructional arrangements; Manufacturing methods
    • G02F1/1335Structural association of cells with optical devices, e.g. polarisers or reflectors
    • G02F1/1336Illuminating devices
    • G02F1/133615Edge-illuminating devices, i.e. illuminating from the side

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)
  • Planar Illumination Modules (AREA)
  • Devices For Indicating Variable Information By Combining Individual Elements (AREA)
JP2000269328A 2000-09-05 2000-09-05 画像表示装置及び面光源装置 Expired - Fee Related JP4623613B2 (ja)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP2000269328A JP4623613B2 (ja) 2000-09-05 2000-09-05 画像表示装置及び面光源装置
TW090121725A TW588298B (en) 2000-09-05 2001-09-03 Image display device and surface light source device
KR1020010054441A KR100768028B1 (ko) 2000-09-05 2001-09-05 화상 표시 장치 및 면광원 장치

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2000269328A JP4623613B2 (ja) 2000-09-05 2000-09-05 画像表示装置及び面光源装置

Publications (3)

Publication Number Publication Date
JP2002082622A JP2002082622A (ja) 2002-03-22
JP2002082622A5 JP2002082622A5 (https=) 2007-09-13
JP4623613B2 true JP4623613B2 (ja) 2011-02-02

Family

ID=18755956

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2000269328A Expired - Fee Related JP4623613B2 (ja) 2000-09-05 2000-09-05 画像表示装置及び面光源装置

Country Status (3)

Country Link
JP (1) JP4623613B2 (https=)
KR (1) KR100768028B1 (https=)
TW (1) TW588298B (https=)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20040050342A (ko) * 2002-12-10 2004-06-16 이상길 광원의 위치가 개선된 백라이트 유니트
KR20040051244A (ko) * 2002-12-12 2004-06-18 삼성전자주식회사 백라이트 어셈블리 및 이를 갖는 액정표시장치
WO2008015951A1 (en) * 2006-08-04 2008-02-07 Panasonic Corporation Display device
WO2011021737A1 (ko) * 2009-08-21 2011-02-24 단비기술 유한회사 로컬디밍기능을 가지는 백라이트 장치
JP5634329B2 (ja) * 2011-05-31 2014-12-03 京セラドキュメントソリューションズ株式会社 画像読取装置及び画像形成装置
CN104613417A (zh) * 2015-02-05 2015-05-13 成都市宏山科技有限公司 一种光传输损耗低的导光柱结构
KR102560708B1 (ko) * 2016-01-15 2023-07-27 삼성전자주식회사 지향성 백라이트 유닛을 구비하는 디스플레이 장치 및 그 조립 방법
CN111413805A (zh) * 2020-05-27 2020-07-14 史晓庆 一种反射式激光照明结构

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2823387B2 (ja) * 1991-05-31 1998-11-11 アルプス電気株式会社 液晶表示装置
JPH06235822A (ja) * 1993-02-09 1994-08-23 Sanyo Electric Co Ltd 液晶表示装置
JP3249698B2 (ja) * 1994-12-15 2002-01-21 シャープ株式会社 表示装置
JP3354327B2 (ja) * 1994-12-27 2002-12-09 三洋電機株式会社 液晶表示装置
JPH10161123A (ja) * 1996-10-04 1998-06-19 Matsushita Electric Ind Co Ltd 照明装置及び表示装置
JPH1124071A (ja) * 1997-07-01 1999-01-29 Ichikoh Ind Ltd カラー液晶表示装置用のバックライト
JPH11305679A (ja) * 1998-04-17 1999-11-05 Ichikoh Ind Ltd カラー液晶表示装置用のバックライト

Also Published As

Publication number Publication date
KR20020019426A (ko) 2002-03-12
TW588298B (en) 2004-05-21
KR100768028B1 (ko) 2007-10-17
JP2002082622A (ja) 2002-03-22

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