KR100769079B1 - 도광판, 면광원장치 및 표시장치 - Google Patents

도광판, 면광원장치 및 표시장치 Download PDF

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Publication number
KR100769079B1
KR100769079B1 KR1020010046690A KR20010046690A KR100769079B1 KR 100769079 B1 KR100769079 B1 KR 100769079B1 KR 1020010046690 A KR1020010046690 A KR 1020010046690A KR 20010046690 A KR20010046690 A KR 20010046690A KR 100769079 B1 KR100769079 B1 KR 100769079B1
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KR
South Korea
Prior art keywords
light
guide plate
light guide
cross
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
KR1020010046690A
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English (en)
Korean (ko)
Other versions
KR20020011898A (ko
Inventor
오까와신고
Original Assignee
가부시키가이샤 엔프라스
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Publication date
Application filed by 가부시키가이샤 엔프라스 filed Critical 가부시키가이샤 엔프라스
Publication of KR20020011898A publication Critical patent/KR20020011898A/ko
Application granted granted Critical
Publication of KR100769079B1 publication Critical patent/KR100769079B1/ko
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Classifications

    • 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
    • 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
    • G02B6/0033Means for improving the coupling-out of light from the light guide
    • G02B6/0035Means 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
    • G02B6/00362-D arrangement of prisms, protrusions, indentations or roughened surfaces
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21LIGHTING
    • F21VFUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V7/00Reflectors for light sources
    • F21V7/04Optical design
    • 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
    • G02B6/0066Light 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 characterised by the light source being coupled to the light guide
    • G02B6/007Incandescent lamp or gas discharge lamp
    • G02B6/0071Incandescent lamp or gas discharge lamp with elongated shape, e.g. tube
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21LIGHTING
    • F21YINDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED
    • F21Y2105/00Planar light sources

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Nonlinear Science (AREA)
  • Mathematical Physics (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Planar Illumination Modules (AREA)
  • Light Guides In General And Applications Therefor (AREA)
  • Devices For Indicating Variable Information By Combining Individual Elements (AREA)
KR1020010046690A 2000-08-02 2001-08-02 도광판, 면광원장치 및 표시장치 Expired - Fee Related KR100769079B1 (ko)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2000233802A JP4363758B2 (ja) 2000-08-02 2000-08-02 導光板、面光源装置及び表示装置
JPJP-P-2000-00233802 2000-08-02

Publications (2)

Publication Number Publication Date
KR20020011898A KR20020011898A (ko) 2002-02-09
KR100769079B1 true KR100769079B1 (ko) 2007-10-22

Family

ID=18726271

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1020010046690A Expired - Fee Related KR100769079B1 (ko) 2000-08-02 2001-08-02 도광판, 면광원장치 및 표시장치

Country Status (4)

Country Link
US (1) US6877871B2 (cg-RX-API-DMAC7.html)
JP (1) JP4363758B2 (cg-RX-API-DMAC7.html)
KR (1) KR100769079B1 (cg-RX-API-DMAC7.html)
TW (1) TW586030B (cg-RX-API-DMAC7.html)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20020033718A (ko) * 2002-04-17 2002-05-07 최규만 도광판 패턴 설계방법
JP4440868B2 (ja) * 2005-10-25 2010-03-24 三菱電機株式会社 面状光源装置及びこれを用いた液晶表示装置
KR100819542B1 (ko) * 2006-08-02 2008-04-08 (주)에이치엔디 레볼루션 프리즘과 홀로그램 패턴 일체형의 도광판 및 그 제조방법
TW201015129A (en) * 2008-10-03 2010-04-16 Feng-Li Lin Light guiding plate
JP2010218980A (ja) * 2009-03-18 2010-09-30 Sony Corp ファイバーランプ、バックライトおよび液晶表示装置
TW201113568A (en) * 2009-10-09 2011-04-16 Coretronic Corp Light guide plate and backlight module
JP6478050B2 (ja) * 2015-05-15 2019-03-06 パナソニックIpマネジメント株式会社 面光源照明装置
CN120652599A (zh) * 2024-03-15 2025-09-16 瀚宇彩晶股份有限公司 光源模块

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH05127157A (ja) * 1991-07-25 1993-05-25 Yoshimichi Hirashiro 平面照光装置
JPH08220344A (ja) * 1995-02-15 1996-08-30 Fujitsu Ltd 平面光源及び非発光型表示装置
JPH08271889A (ja) * 1995-03-29 1996-10-18 Sumitomo Bakelite Co Ltd 液晶表示装置用調光シート
JPH10241431A (ja) * 1997-02-21 1998-09-11 Matsushita Electric Works Ltd 照明装置
JPH1124586A (ja) * 1997-06-30 1999-01-29 Sanyo Electric Co Ltd バックライト装置及び導光板

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH11258602A (ja) * 1998-03-06 1999-09-24 Enplas Corp サイドライト型面光源装置及び液晶表示装置
JP3862926B2 (ja) * 2000-03-31 2006-12-27 株式会社エンプラス 面光源装置及び液晶ディスプレイ

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH05127157A (ja) * 1991-07-25 1993-05-25 Yoshimichi Hirashiro 平面照光装置
JPH08220344A (ja) * 1995-02-15 1996-08-30 Fujitsu Ltd 平面光源及び非発光型表示装置
JPH08271889A (ja) * 1995-03-29 1996-10-18 Sumitomo Bakelite Co Ltd 液晶表示装置用調光シート
JPH10241431A (ja) * 1997-02-21 1998-09-11 Matsushita Electric Works Ltd 照明装置
JPH1124586A (ja) * 1997-06-30 1999-01-29 Sanyo Electric Co Ltd バックライト装置及び導光板

Also Published As

Publication number Publication date
KR20020011898A (ko) 2002-02-09
JP2002050221A (ja) 2002-02-15
US6877871B2 (en) 2005-04-12
US20020030985A1 (en) 2002-03-14
JP4363758B2 (ja) 2009-11-11
TW586030B (en) 2004-05-01

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