KR100483190B1 - 조명패널 및 그 조명패널을 탑재한 표시장치 - Google Patents

조명패널 및 그 조명패널을 탑재한 표시장치 Download PDF

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Publication number
KR100483190B1
KR100483190B1 KR10-2002-0045751A KR20020045751A KR100483190B1 KR 100483190 B1 KR100483190 B1 KR 100483190B1 KR 20020045751 A KR20020045751 A KR 20020045751A KR 100483190 B1 KR100483190 B1 KR 100483190B1
Authority
KR
South Korea
Prior art keywords
light
guide plate
light guide
incident
optical
Prior art date
Application number
KR10-2002-0045751A
Other languages
English (en)
Korean (ko)
Other versions
KR20030013323A (ko
Inventor
히구치마사루
Original Assignee
가시오게산키 가부시키가이샤
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 가시오게산키 가부시키가이샤 filed Critical 가시오게산키 가부시키가이샤
Publication of KR20030013323A publication Critical patent/KR20030013323A/ko
Application granted granted Critical
Publication of KR100483190B1 publication Critical patent/KR100483190B1/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
    • 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
    • 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
    • G02B6/0081—Mechanical or electrical aspects of the light guide and light source in the lighting device peculiar to the adaptation to planar light guides, e.g. concerning packaging
    • G02B6/0086—Positioning aspects

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)
  • Light Guides In General And Applications Therefor (AREA)
  • Devices For Indicating Variable Information By Combining Individual Elements (AREA)
KR10-2002-0045751A 2001-08-03 2002-08-02 조명패널 및 그 조명패널을 탑재한 표시장치 KR100483190B1 (ko)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2001235820A JP4154876B2 (ja) 2001-08-03 2001-08-03 照明パネルおよびそれを用いた表示装置
JPJP-P-2001-00235820 2001-08-03

Publications (2)

Publication Number Publication Date
KR20030013323A KR20030013323A (ko) 2003-02-14
KR100483190B1 true KR100483190B1 (ko) 2005-04-14

Family

ID=19067205

Family Applications (1)

Application Number Title Priority Date Filing Date
KR10-2002-0045751A KR100483190B1 (ko) 2001-08-03 2002-08-02 조명패널 및 그 조명패널을 탑재한 표시장치

Country Status (3)

Country Link
JP (1) JP4154876B2 (zh)
KR (1) KR100483190B1 (zh)
CN (2) CN100383635C (zh)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7581868B2 (en) 2004-06-16 2009-09-01 Samsung Electronics Co., Ltd. Backlight assembly and liquid crystal display apparatus having the same
KR100761131B1 (ko) * 2005-10-11 2007-09-21 엘지전자 주식회사 양면 발광형 전계 발광 표시장치 및 그 제조방법, 그에내장된 이동통신 단말기
CN101668988B (zh) * 2007-07-27 2011-06-15 夏普株式会社 照明装置和液晶显示装置
KR101243709B1 (ko) * 2008-02-22 2013-03-13 주식회사 엘지화학 양면 돌출부를 갖는 편향 필름 및 이를 이용한 엣지형백라이트 유닛
US9285531B2 (en) * 2008-08-08 2016-03-15 3M Innovative Properties Company Lightguide having a viscoelastic layer for managing light
US8235540B2 (en) * 2011-01-14 2012-08-07 Lg Innotek Co., Ltd. Backlight unit and display apparatus using the same
CN103226261A (zh) * 2013-03-26 2013-07-31 苏州晶智科技有限公司 一种用于液晶显示器的二维准直背光模组
JP6878867B2 (ja) * 2016-12-19 2021-06-02 三菱電機株式会社 バックライトおよび表示装置
JP6533540B2 (ja) * 2017-01-27 2019-06-19 矢崎総業株式会社 バックライトユニットおよびヘッドアップディスプレイ装置
JP7257633B2 (ja) * 2019-03-27 2023-04-14 パナソニックＩｐマネジメント株式会社 照明装置

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5608837A (en) * 1995-05-15 1997-03-04 Clio Technologies, Inc. Transmissive type display and method capable of utilizing ambient light
KR20000065951A (ko) * 1999-04-12 2000-11-15 구본준 반사형 액정표시장치용 보조광원

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3518036B2 (ja) * 1995-03-30 2004-04-12 東芝ライテック株式会社 バックライト，液晶表示装置および表示装置
US5980054A (en) * 1996-05-09 1999-11-09 Matsushita Electric Industrial Co., Ltd. Panel-form illuminating system
JPH10319394A (ja) * 1997-05-15 1998-12-04 Omron Corp 液晶表示装置
JPH11339527A (ja) * 1998-05-22 1999-12-10 Nichia Chem Ind Ltd 発光装置、液晶表示装置及び導光板の形成方法
JP2000089222A (ja) * 1998-09-08 2000-03-31 Matsushita Electric Ind Co Ltd 液晶表示装置
JP2000147495A (ja) * 1998-11-13 2000-05-26 Stanley Electric Co Ltd バックライト照明装置用のプリズムシート
JP2000285719A (ja) * 1999-03-30 2000-10-13 West Electric Co Ltd 照明装置及びその照明装置を用いた液晶表示装置
KR20010039944A (ko) * 1999-10-01 2001-05-15 고오사이 아끼오 반사판, 반사형 편광판 및 액정 표시 장치

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5608837A (en) * 1995-05-15 1997-03-04 Clio Technologies, Inc. Transmissive type display and method capable of utilizing ambient light
KR20000065951A (ko) * 1999-04-12 2000-11-15 구본준 반사형 액정표시장치용 보조광원

Also Published As

Publication number Publication date
CN1690808A (zh) 2005-11-02
JP2003045216A (ja) 2003-02-14
CN1401936A (zh) 2003-03-12
JP4154876B2 (ja) 2008-09-24
CN100383635C (zh) 2008-04-23
CN100385305C (zh) 2008-04-30
KR20030013323A (ko) 2003-02-14

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