TW200643563A - Liquid crystal display and backlight unit - Google Patents

Liquid crystal display and backlight unit

Info

Publication number
TW200643563A
TW200643563A TW095109267A TW95109267A TW200643563A TW 200643563 A TW200643563 A TW 200643563A TW 095109267 A TW095109267 A TW 095109267A TW 95109267 A TW95109267 A TW 95109267A TW 200643563 A TW200643563 A TW 200643563A
Authority
TW
Taiwan
Prior art keywords
liquid crystal
crystal panel
light
crystal display
light source
Prior art date
Application number
TW095109267A
Other languages
English (en)
Chinese (zh)
Inventor
Tadahiro Ohmi
Kiwamu Takehisa
Yasuyuki Shirai
Naoki Tanahashi
Original Assignee
Univ Tohoku
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 Univ Tohoku filed Critical Univ Tohoku
Publication of TW200643563A publication Critical patent/TW200643563A/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
    • G02B6/0045—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 by shaping at least a portion of the light guide
    • G02B6/0046—Tapered light guide, e.g. wedge-shaped 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
    • G02B6/0013—Means for improving the coupling-in of light from the light source into the light guide
    • G02B6/0015—Means for improving the coupling-in of light from the light source into the light guide provided on the surface of the light guide or in the bulk of it
    • G02B6/0016—Grooves, prisms, gratings, scattering particles or rough surfaces
    • 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
    • G02B6/0066—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
    • G02B6/0068—Arrangements of plural sources, e.g. multi-colour light sources
    • 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
    • G02F1/133615—Edge-illuminating devices, i.e. illuminating from the side

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)
  • Liquid Crystal (AREA)
  • Planar Illumination Modules (AREA)
  • Devices For Indicating Variable Information By Combining Individual Elements (AREA)
TW095109267A 2005-03-17 2006-03-17 Liquid crystal display and backlight unit TW200643563A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2005076431A JP4852695B2 (ja) 2005-03-17 2005-03-17 液晶ディスプレイ及びバックライトユニット

Publications (1)

Publication Number Publication Date
TW200643563A true TW200643563A (en) 2006-12-16

Family

ID=36991741

Family Applications (1)

Application Number Title Priority Date Filing Date
TW095109267A TW200643563A (en) 2005-03-17 2006-03-17 Liquid crystal display and backlight unit

Country Status (3)

Country Link
JP (1) JP4852695B2 (ja)
TW (1) TW200643563A (ja)
WO (1) WO2006098400A1 (ja)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4797161B2 (ja) 2005-07-27 2011-10-19 国立大学法人東北大学 液晶ディスプレイ用バックライトユニット
JP5147250B2 (ja) 2007-02-01 2013-02-20 パナソニック液晶ディスプレイ株式会社 液晶表示装置
JP5584117B2 (ja) * 2007-05-20 2014-09-03 スリーエム イノベイティブ プロパティズ カンパニー 光再利用タイプの薄型中空空洞バックライトの設計パラメータ
US8523389B2 (en) * 2007-12-18 2013-09-03 Koninklijke Philips N.V. Illumination system with inclined light source
CN102057319B (zh) 2008-06-04 2014-02-26 3M创新有限公司 具有斜光源的中空背光源
KR100959660B1 (ko) * 2008-06-09 2010-05-26 주식회사 루멘스 면발광장치
JP6012924B2 (ja) * 2010-12-22 2016-10-25 大日本印刷株式会社 光学モジュールおよび表示装置
JP5678750B2 (ja) * 2011-03-17 2015-03-04 大日本印刷株式会社 光学モジュールおよび表示装置

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH08146224A (ja) * 1994-11-21 1996-06-07 Kyocera Corp 液晶表示装置
JPH095737A (ja) * 1995-06-19 1997-01-10 Canon Inc バックライト装置及びそれを備えた液晶表示装置
JPH0915599A (ja) * 1995-06-28 1997-01-17 Opt Kikaku Kaihatsu Kk 照明装置
JPH1097806A (ja) * 1996-06-21 1998-04-14 Sharp Corp 照明装置
JP3036474B2 (ja) * 1997-07-25 2000-04-24 日本電気株式会社 バックライト装置

Also Published As

Publication number Publication date
JP4852695B2 (ja) 2012-01-11
WO2006098400A1 (ja) 2006-09-21
JP2006260924A (ja) 2006-09-28

Similar Documents

Publication Publication Date Title
TW200643563A (en) Liquid crystal display and backlight unit
TW200707027A (en) Backlight unit and liquid crystal display having the same
TW200643557A (en) Backlight assembly and liquid crystal display device having the same
TW200615662A (en) Backlight assembly and liquid crystal display device having the same
WO2011059178A3 (en) Backlight unit and liquid crystal display including the same
TW200643537A (en) Backlight assembly and liquid crystal display device having the same
MX2008015110A (es) Pantalla de cristal liquido.
TW200609621A (en) Backlight assembly and liquid crystal display using the same
CN102799023A (zh) 液晶显示装置
EP1521113A4 (en) LIQUID CRYSTAL VIEW DISPLAY ARRANGEMENT
TW200722865A (en) Liquid crystal display and light guide plate
TW200834165A (en) Backlight module and liquid crystal display using the same
SG179169A1 (en) Lighting device, display device, and television receiver
TW200745686A (en) Backlight unit and liquid crystal display
TW200706992A (en) Liquid crystal display
TW200730959A (en) Planar light source device and liquid crystal display apparatus using the same
TW200736749A (en) Diffuser plate and backlight module using the same
CN102914910A (zh) 一种采用直下式背光的液晶模组及液晶显示器
TW200700821A (en) Liquid crystal display
TW200801679A (en) Backlight module and liquid crystal display device using the same
TW200609599A (en) A direct backlight module
TW200508703A (en) Back light module
TWI264594B (en) Back light module
TW200834180A (en) Back light module for liquid crystal display
TW200722841A (en) Monolithically formed reflection device and backlight unit and LCD device with the reflection device