KR100768028B1 - 화상 표시 장치 및 면광원 장치 - Google Patents

화상 표시 장치 및 면광원 장치 Download PDF

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Publication number
KR100768028B1
KR100768028B1 KR1020010054441A KR20010054441A KR100768028B1 KR 100768028 B1 KR100768028 B1 KR 100768028B1 KR 1020010054441 A KR1020010054441 A KR 1020010054441A KR 20010054441 A KR20010054441 A KR 20010054441A KR 100768028 B1 KR100768028 B1 KR 100768028B1
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KR
South Korea
Prior art keywords
guide plate
light guide
inclined surface
light
light source
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
KR1020010054441A
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English (en)
Korean (ko)
Other versions
KR20020019426A (ko
Inventor
다까시오마나부
야마자끼히로시
Original Assignee
가부시키가이샤 엔프라스
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.)
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Publication of KR20020019426A publication Critical patent/KR20020019426A/ko
Application granted granted Critical
Publication of KR100768028B1 publication Critical patent/KR100768028B1/ko
Anticipated expiration legal-status Critical
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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
    • G02B6/0013—Means for improving the coupling-in of light from the light source into the light guide
    • G02B6/0023—Means 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
    • G02B6/0031—Reflecting element, sheet or layer
    • 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
    • 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
    • G02F1/133602—Direct backlight
    • 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
    • G02F1/133602—Direct backlight
    • G02F1/133605—Direct backlight including specially adapted 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

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)
KR1020010054441A 2000-09-05 2001-09-05 화상 표시 장치 및 면광원 장치 Expired - Fee Related KR100768028B1 (ko)

Applications Claiming Priority (2)

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
JPJP-P-2000-00269328 2000-09-05

Publications (2)

Publication Number Publication Date
KR20020019426A KR20020019426A (ko) 2002-03-12
KR100768028B1 true KR100768028B1 (ko) 2007-10-17

Family

ID=18755956

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1020010054441A Expired - Fee Related KR100768028B1 (ko) 2000-09-05 2001-09-05 화상 표시 장치 및 면광원 장치

Country Status (3)

Country Link
JP (1) JP4623613B2 (enExample)
KR (1) KR100768028B1 (enExample)
TW (1) TW588298B (enExample)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20170085827A (ko) * 2016-01-15 2017-07-25 삼성전자주식회사 지향성 백라이트 유닛을 구비하는 디스플레이 장치 및 그 조립 방법

Families Citing this family (7)

* 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
CN111413805A (zh) * 2020-05-27 2020-07-14 史晓庆 一种反射式激光照明结构

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH08166586A (ja) * 1994-12-15 1996-06-25 Sharp Corp 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

Family Cites Families (3)

* 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
JP3354327B2 (ja) * 1994-12-27 2002-12-09 三洋電機株式会社 液晶表示装置

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH08166586A (ja) * 1994-12-15 1996-06-25 Sharp Corp 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

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20170085827A (ko) * 2016-01-15 2017-07-25 삼성전자주식회사 지향성 백라이트 유닛을 구비하는 디스플레이 장치 및 그 조립 방법
KR102560708B1 (ko) * 2016-01-15 2023-07-27 삼성전자주식회사 지향성 백라이트 유닛을 구비하는 디스플레이 장치 및 그 조립 방법

Also Published As

Publication number Publication date
JP4623613B2 (ja) 2011-02-02
TW588298B (en) 2004-05-21
KR20020019426A (ko) 2002-03-12
JP2002082622A (ja) 2002-03-22

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