TW200720775A - Backlight module and liquid crystal display - Google Patents

Backlight module and liquid crystal display

Info

Publication number
TW200720775A
TW200720775A TW094141089A TW94141089A TW200720775A TW 200720775 A TW200720775 A TW 200720775A TW 094141089 A TW094141089 A TW 094141089A TW 94141089 A TW94141089 A TW 94141089A TW 200720775 A TW200720775 A TW 200720775A
Authority
TW
Taiwan
Prior art keywords
adhesive tape
disposed
reflective
light
backlight module
Prior art date
Application number
TW094141089A
Other languages
English (en)
Other versions
TWI282473B (en
Inventor
Shin-Chang Chen
Original Assignee
Chunghwa Picture Tubes 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 Chunghwa Picture Tubes Ltd filed Critical Chunghwa Picture Tubes Ltd
Priority to TW094141089A priority Critical patent/TWI282473B/zh
Priority to US11/164,542 priority patent/US7471354B2/en
Publication of TW200720775A publication Critical patent/TW200720775A/zh
Application granted granted Critical
Publication of TWI282473B publication Critical patent/TWI282473B/zh

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
    • G02B6/005—Means for improving the coupling-out of light from the light guide provided by one optical element, or plurality thereof, placed on the light output side of the light guide
    • G02B6/0055—Reflecting element, sheet or layer
    • 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
    • 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
    • G02F1/133602—Direct backlight
    • G02F1/133606—Direct backlight including a specially adapted diffusing, scattering or light controlling members
    • G02F1/133607—Direct backlight including a specially adapted diffusing, scattering or light controlling members the light controlling member including light directing or refracting elements, e.g. prisms or lenses

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Nonlinear Science (AREA)
  • Mathematical Physics (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Planar Illumination Modules (AREA)
  • Liquid Crystal (AREA)
TW094141089A 2005-11-23 2005-11-23 Backlight module and liquid crystal display TWI282473B (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
TW094141089A TWI282473B (en) 2005-11-23 2005-11-23 Backlight module and liquid crystal display
US11/164,542 US7471354B2 (en) 2005-11-23 2005-11-29 Backlight module and liquid crystal display

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
TW094141089A TWI282473B (en) 2005-11-23 2005-11-23 Backlight module and liquid crystal display

Publications (2)

Publication Number Publication Date
TW200720775A true TW200720775A (en) 2007-06-01
TWI282473B TWI282473B (en) 2007-06-11

Family

ID=38053089

Family Applications (1)

Application Number Title Priority Date Filing Date
TW094141089A TWI282473B (en) 2005-11-23 2005-11-23 Backlight module and liquid crystal display

Country Status (2)

Country Link
US (1) US7471354B2 (zh)
TW (1) TWI282473B (zh)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TWI282473B (en) * 2005-11-23 2007-06-11 Chunghwa Picture Tubes Ltd Backlight module and liquid crystal display
TWI402574B (zh) * 2009-09-25 2013-07-21 Chunghwa Picture Tubes Ltd 背光模組
TWI418896B (zh) * 2010-04-01 2013-12-11 Au Optronics Corp 背光模組以及液晶顯示模組
TWI447482B (zh) * 2011-09-28 2014-08-01 Au Optronics Corp 顯示模組
WO2017038084A1 (ja) * 2015-09-01 2017-03-09 パナソニックＩｐマネジメント株式会社 映像表示装置
JP6487885B2 (ja) * 2016-09-08 2019-03-20 ミネベアミツミ株式会社 面状照明装置
CN108594530A (zh) * 2018-05-02 2018-09-28 佛山博发智能科技有限公司 一种用于tpc机种的遮光式节能型显示面板

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5216411A (en) * 1990-07-20 1993-06-01 Sony Corporation Cover for an indicator panel with transparent touchpad and display
JP2830972B2 (ja) * 1995-03-06 1998-12-02 株式会社日立製作所 液晶表示装置
JP3415394B2 (ja) * 1997-07-08 2003-06-09 シャープ株式会社 バックライト装置
JP3891843B2 (ja) * 2002-01-08 2007-03-14 株式会社日立製作所 液晶表示装置
JP3886121B2 (ja) * 2002-07-29 2007-02-28 日東電工株式会社 粘着テープ
KR100987679B1 (ko) * 2002-08-12 2010-10-13 디아이씨 가부시끼가이샤 광반사성과 차광성을 겸비한 ｌｃｄ 모듈용 점착 테이프
JP2005060435A (ja) * 2003-08-14 2005-03-10 Three M Innovative Properties Co 両面粘着シート
KR100606968B1 (ko) * 2003-12-29 2006-08-01 엘지.필립스 엘시디 주식회사 표시장치의 백 라이트 유닛 및 이를 사용한 액정표시장치
JP4883745B2 (ja) * 2004-01-27 2012-02-22 日東電工株式会社 粘着テープ
TW200525239A (en) * 2004-01-30 2005-08-01 Chi Mei Optoelectronics Corp Box seat of back-light module
TWI282473B (en) * 2005-11-23 2007-06-11 Chunghwa Picture Tubes Ltd Backlight module and liquid crystal display

Also Published As

Publication number Publication date
US20070115403A1 (en) 2007-05-24
US7471354B2 (en) 2008-12-30
TWI282473B (en) 2007-06-11

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Legal Events

Date Code Title Description
MM4A Annulment or lapse of patent due to non-payment of fees