JP3316441B2 - 導光板、その導光板を用いた面光源、液晶表示装置及び導光板の製造方法 - Google Patents

導光板、その導光板を用いた面光源、液晶表示装置及び導光板の製造方法

Info

Publication number
JP3316441B2
JP3316441B2 JP34123697A JP34123697A JP3316441B2 JP 3316441 B2 JP3316441 B2 JP 3316441B2 JP 34123697 A JP34123697 A JP 34123697A JP 34123697 A JP34123697 A JP 34123697A JP 3316441 B2 JP3316441 B2 JP 3316441B2
Authority
JP
Japan
Prior art keywords
light
guide plate
light guide
lens
liquid crystal
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
JP34123697A
Other languages
English (en)
Japanese (ja)
Other versions
JPH11174439A (ja
Inventor
後藤　　陽一郎
徹 能瀬
道明 佐藤
政廣 樋口
孝也 草深
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.)
Sanyo Electric Co Ltd
Original Assignee
Sanyo Electric Co Ltd
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 Sanyo Electric Co Ltd filed Critical Sanyo Electric Co Ltd
Priority to JP34123697A priority Critical patent/JP3316441B2/ja
Priority to TW087115136A priority patent/TW460737B/zh
Priority to CNB981214347A priority patent/CN1143162C/zh
Priority to US09/183,727 priority patent/US6273577B1/en
Priority to KR1019980054269A priority patent/KR100326228B1/ko
Publication of JPH11174439A publication Critical patent/JPH11174439A/ja
Application granted granted Critical
Publication of JP3316441B2 publication Critical patent/JP3316441B2/ja
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

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
    • G02B6/0033—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
    • G02B6/0038—Linear indentations or grooves, e.g. arc-shaped grooves or meandering grooves, extending over the full length or width of the light guide
    • 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
    • G02B6/0065—Manufacturing aspects; Material aspects
    • 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
    • G02F1/133618—Illuminating devices for ambient light

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Planar Illumination Modules (AREA)
  • Light Guides In General And Applications Therefor (AREA)
  • Liquid Crystal (AREA)
JP34123697A 1997-10-31 1997-12-11 導光板、その導光板を用いた面光源、液晶表示装置及び導光板の製造方法 Expired - Fee Related JP3316441B2 (ja)

Priority Applications (5)

Application Number Priority Date Filing Date Title
JP34123697A JP3316441B2 (ja) 1997-12-11 1997-12-11 導光板、その導光板を用いた面光源、液晶表示装置及び導光板の製造方法
TW087115136A TW460737B (en) 1997-12-11 1998-09-11 Light guide plate, surface light source and LCD display apparatus using the light guide plate, and method for manufacturing said light guide plate
CNB981214347A CN1143162C (zh) 1997-12-11 1998-10-30 导光板及其制造方法、用该导光板的面光源和液晶显示装置
US09/183,727 US6273577B1 (en) 1997-10-31 1998-10-30 Light guide plate, surface light source using the light guide plate, and liquid crystal display using the surface light source
KR1019980054269A KR100326228B1 (ko) 1997-12-11 1998-12-10 도광판,그도광판을이용한면광원,액정표시장치및도광판의제조방법

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP34123697A JP3316441B2 (ja) 1997-12-11 1997-12-11 導光板、その導光板を用いた面光源、液晶表示装置及び導光板の製造方法

Publications (2)

Publication Number Publication Date
JPH11174439A JPH11174439A (ja) 1999-07-02
JP3316441B2 true JP3316441B2 (ja) 2002-08-19

Family

ID=18344451

Family Applications (1)

Application Number Title Priority Date Filing Date
JP34123697A Expired - Fee Related JP3316441B2 (ja) 1997-10-31 1997-12-11 導光板、その導光板を用いた面光源、液晶表示装置及び導光板の製造方法

Country Status (4)

Country Link
JP (1) JP3316441B2 (zh)
KR (1) KR100326228B1 (zh)
CN (1) CN1143162C (zh)
TW (1) TW460737B (zh)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103900033A (zh) * 2012-12-26 2014-07-02 扬升照明股份有限公司 导光板及背光模块

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100318545B1 (ko) * 1999-12-20 2001-12-24 정명식 액정소자의 백 라이트 유닛 금형 제조방법
KR100367008B1 (ko) * 2001-02-02 2003-01-09 심충건 Lcd 장치에서 프리즘 기능을 갖는 도광판 제조 방법
KR20020066788A (ko) * 2001-02-13 2002-08-21 심충건 Lcd 디스플레이 장치의 양각 격자패턴 도광판 및 그제조방법
KR20020066787A (ko) * 2001-02-13 2002-08-21 심충건 Lcd 디스플레이 장치의 격자패턴 무인쇄 도광판
KR100883098B1 (ko) * 2002-04-26 2009-02-11 삼성전자주식회사 백라이트 어셈블리 및 이를 이용한 액정표시장치
CN100401161C (zh) * 2003-05-21 2008-07-09 宇东科技股份有限公司 一种侧光型背光模件及液晶显示器
CN100376978C (zh) * 2003-08-14 2008-03-26 鸿富锦精密工业（深圳）有限公司 背光模组
CN100368883C (zh) * 2003-10-21 2008-02-13 统宝光电股份有限公司 半透射半反射式液晶显示面板
CN100405174C (zh) * 2004-07-24 2008-07-23 鸿富锦精密工业（深圳）有限公司 导光板及背光模组
KR100661147B1 (ko) 2004-10-09 2006-12-26 제일모직주식회사 액정표시장치 백라이트 유닛용 도광판 및 이를 이용한액정표시장치용 백라이트 유닛
JP4533728B2 (ja) * 2004-11-29 2010-09-01 株式会社 日立ディスプレイズ 液晶表示装置
KR100739797B1 (ko) 2006-02-23 2007-07-13 삼성전자주식회사 외부광을 이용한 디스플레이 장치
JP4385031B2 (ja) * 2006-03-31 2009-12-16 日本ライツ株式会社 導光板および平面照明装置
KR101866244B1 (ko) 2011-01-17 2018-06-12 삼성전자주식회사 스캐닝 백라이트 유닛 및 이를 구비하는 액정 표시 장치
TWI459089B (zh) * 2011-06-14 2014-11-01 Au Optronics Corp 導光板及背光模組
TWI534685B (zh) 2012-03-28 2016-05-21 友達光電股份有限公司 觸控式顯示裝置

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0511249A (ja) * 1991-07-08 1993-01-19 Hitachi Ltd 液晶表示装置
JP3123006B2 (ja) * 1992-06-30 2001-01-09 大日本印刷株式会社 面光源及び液晶表示装置

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103900033A (zh) * 2012-12-26 2014-07-02 扬升照明股份有限公司 导光板及背光模块

Also Published As

Publication number Publication date
JPH11174439A (ja) 1999-07-02
CN1219681A (zh) 1999-06-16
CN1143162C (zh) 2004-03-24
KR100326228B1 (ko) 2002-04-17
KR19990062975A (ko) 1999-07-26
TW460737B (en) 2001-10-21

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