JP4363758B2 - 導光板、面光源装置及び表示装置 - Google Patents

導光板、面光源装置及び表示装置 Download PDF

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Publication number
JP4363758B2
JP4363758B2 JP2000233802A JP2000233802A JP4363758B2 JP 4363758 B2 JP4363758 B2 JP 4363758B2 JP 2000233802 A JP2000233802 A JP 2000233802A JP 2000233802 A JP2000233802 A JP 2000233802A JP 4363758 B2 JP4363758 B2 JP 4363758B2
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JP
Japan
Prior art keywords
light
guide plate
light guide
incident
illumination light
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
JP2000233802A
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English (en)
Japanese (ja)
Other versions
JP2002050221A5 (enExample
JP2002050221A (ja
Inventor
真吾 大川
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 JP2000233802A priority Critical patent/JP4363758B2/ja
Priority to US09/916,297 priority patent/US6877871B2/en
Priority to TW090118717A priority patent/TW586030B/zh
Priority to KR1020010046690A priority patent/KR100769079B1/ko
Publication of JP2002050221A publication Critical patent/JP2002050221A/ja
Publication of JP2002050221A5 publication Critical patent/JP2002050221A5/ja
Application granted granted Critical
Publication of JP4363758B2 publication Critical patent/JP4363758B2/ja
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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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
    • 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
    • G02B6/0036—2-D arrangement of prisms, protrusions, indentations or roughened surfaces
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V7/00—Reflectors for light sources
    • F21V7/04—Optical design
    • 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
    • G02B6/0066—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 characterised by the light source being coupled to the light guide
    • G02B6/007—Incandescent lamp or gas discharge lamp
    • G02B6/0071—Incandescent lamp or gas discharge lamp with elongated shape, e.g. tube
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21Y—INDEXING 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
    • F21Y2105/00—Planar 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)
  • Devices For Indicating Variable Information By Combining Individual Elements (AREA)
  • Light Guides In General And Applications Therefor (AREA)
JP2000233802A 2000-08-02 2000-08-02 導光板、面光源装置及び表示装置 Expired - Fee Related JP4363758B2 (ja)

Priority Applications (4)

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
US09/916,297 US6877871B2 (en) 2000-08-02 2001-07-30 Light guide plate, surface light source device and display
TW090118717A TW586030B (en) 2000-08-02 2001-08-01 Light guide plate, surface light source device and display device
KR1020010046690A KR100769079B1 (ko) 2000-08-02 2001-08-02 도광판, 면광원장치 및 표시장치

Applications Claiming Priority (1)

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

Publications (3)

Publication Number Publication Date
JP2002050221A JP2002050221A (ja) 2002-02-15
JP2002050221A5 JP2002050221A5 (enExample) 2007-08-09
JP4363758B2 true JP4363758B2 (ja) 2009-11-11

Family

ID=18726271

Family Applications (1)

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

Country Status (4)

Country Link
US (1) US6877871B2 (enExample)
JP (1) JP4363758B2 (enExample)
KR (1) KR100769079B1 (enExample)
TW (1) TW586030B (enExample)

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

Family Cites Families (7)

* 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
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

Also Published As

Publication number Publication date
KR100769079B1 (ko) 2007-10-22
US6877871B2 (en) 2005-04-12
US20020030985A1 (en) 2002-03-14
KR20020011898A (ko) 2002-02-09
JP2002050221A (ja) 2002-02-15
TW586030B (en) 2004-05-01

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