TW200739152A - Liquid crystal display device and backlight device - Google Patents

Liquid crystal display device and backlight device

Info

Publication number
TW200739152A
TW200739152A TW096101493A TW96101493A TW200739152A TW 200739152 A TW200739152 A TW 200739152A TW 096101493 A TW096101493 A TW 096101493A TW 96101493 A TW96101493 A TW 96101493A TW 200739152 A TW200739152 A TW 200739152A
Authority
TW
Taiwan
Prior art keywords
guide member
light guide
liquid crystal
crystal display
corner portion
Prior art date
Application number
TW096101493A
Other languages
English (en)
Inventor
Yukio Ooami
Original Assignee
Toshiba Matsushita Display Tec
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 Toshiba Matsushita Display Tec filed Critical Toshiba Matsushita Display Tec
Publication of TW200739152A publication Critical patent/TW200739152A/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
    • G02B6/0035—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
    • 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
    • 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
    • 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
    • G02B6/0058—Means for improving the coupling-out of light from the light guide varying in density, size, shape or depth along the light guide
    • G02B6/0061—Means for improving the coupling-out of light from the light guide varying in density, size, shape or depth along the light guide to provide homogeneous light output intensity
    • 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
    • G02B6/0013—Means for improving the coupling-in of light from the light source into the light guide
    • G02B6/0023—Means for improving the coupling-in of light from the light source into the light guide provided by one optical element, or plurality thereof, placed between the light guide and the light source, or around the light source
    • G02B6/0031—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
    • G02B6/005—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
    • G02B6/0056—Means for improving the coupling-out of light from the light guide for producing polarisation effects, e.g. by a surface with polarizing properties or by an additional polarizing elements
    • 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
    • G02F1/133528—Polarisers
    • 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
    • G02F2203/00—Function characteristic
    • G02F2203/60—Temperature independent

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)
  • Light Guides In General And Applications Therefor (AREA)
TW096101493A 2006-02-02 2007-01-15 Liquid crystal display device and backlight device TW200739152A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2006026202A JP4751209B2 (ja) 2006-02-02 2006-02-02 液晶表示装置及びバックライト装置

Publications (1)

Publication Number Publication Date
TW200739152A true TW200739152A (en) 2007-10-16

Family

ID=38333683

Family Applications (1)

Application Number Title Priority Date Filing Date
TW096101493A TW200739152A (en) 2006-02-02 2007-01-15 Liquid crystal display device and backlight device

Country Status (4)

Country Link
US (1) US20070182879A1 (zh)
JP (1) JP4751209B2 (zh)
KR (1) KR100850607B1 (zh)
TW (1) TW200739152A (zh)

Family Cites Families (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61145979A (ja) * 1984-12-20 1986-07-03 Toshiba Corp 双方向ｃａｔｖ
JPS61145979U (zh) * 1985-03-01 1986-09-09
JPH0621001U (ja) * 1991-05-13 1994-03-18 株式会社大門製作所 液晶バックライト用導光板
JPH06235915A (ja) * 1993-02-12 1994-08-23 Sharp Corp 液晶表示装置
JP3034715B2 (ja) * 1993-02-17 2000-04-17 シャープ株式会社 液晶表示装置
JP3237689B2 (ja) * 1994-12-16 2001-12-10 キヤノン株式会社 照明装置及びそれを用いた液晶表示装置
JP3429387B2 (ja) * 1995-03-31 2003-07-22 株式会社エンプラス サイドライト型面光源装置
JPH10160938A (ja) 1996-11-29 1998-06-19 Toshiba Lighting & Technol Corp 導光ユニット、バックライト及びこれを用いた照明装置
JPH11231797A (ja) * 1998-02-10 1999-08-27 Omron Corp バックライト装置用導光板、バックライト装置およびこのバックライト装置を用いた表示装置
US6710829B2 (en) * 2000-05-03 2004-03-23 Benq Corporation Method of performing a uniform illumination pattern in a back-light plate using a press
JP2002333618A (ja) * 2001-05-07 2002-11-22 Nitto Denko Corp 反射型液晶表示装置
JP3800402B2 (ja) 2001-08-08 2006-07-26 株式会社日立製作所 液晶表示装置
JP2003151330A (ja) 2001-11-12 2003-05-23 Nidec Copal Corp フロントライト及びこれを有する電子機器
JP2005513573A (ja) * 2001-12-27 2005-05-12 サムスン エレクトロニクス カンパニー リミテッド 液晶表示装置
JP4035998B2 (ja) * 2002-01-23 2008-01-23 オムロン株式会社 面光源装置、拡散板及び液晶表示装置
JP4717494B2 (ja) * 2004-05-20 2011-07-06 セイコーインスツル株式会社 照明装置およびこれを用いた表示装置
KR20060008600A (ko) * 2004-07-21 2006-01-27 동양산업(주) 부채살 패턴을 가지는 도광판 및 그 도광판 제조 방법

Also Published As

Publication number Publication date
KR20070079570A (ko) 2007-08-07
JP4751209B2 (ja) 2011-08-17
US20070182879A1 (en) 2007-08-09
JP2007206448A (ja) 2007-08-16
KR100850607B1 (ko) 2008-08-05

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