HK1005384A1 - Back light illuminator for liquid crystal display apparatus - Google Patents

Back light illuminator for liquid crystal display apparatus

Info

Publication number
HK1005384A1
HK1005384A1 HK98104536A HK98104536A HK1005384A1 HK 1005384 A1 HK1005384 A1 HK 1005384A1 HK 98104536 A HK98104536 A HK 98104536A HK 98104536 A HK98104536 A HK 98104536A HK 1005384 A1 HK1005384 A1 HK 1005384A1
Authority
HK
Hong Kong
Prior art keywords
liquid crystal
crystal display
display apparatus
back light
light illuminator
Prior art date
Application number
HK98104536A
Other languages
English (en)
Inventor
Atsushi Fukui
Kanji Nishii
Kenji Takamoto
Masami Ito
Kazumasa Takata
Original Assignee
Matsushita Electric Ind 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 Matsushita Electric Ind Co Ltd filed Critical Matsushita Electric Ind Co Ltd
Publication of HK1005384A1 publication Critical patent/HK1005384A1/xx

Links

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
    • G02B6/0013—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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60Q—ARRANGEMENT OF SIGNALLING OR LIGHTING DEVICES, THE MOUNTING OR SUPPORTING THEREOF OR CIRCUITS THEREFOR, FOR VEHICLES IN GENERAL
    • B60Q3/00—Arrangement of lighting devices for vehicle interiors; Lighting devices specially adapted for vehicle interiors
    • B60Q3/10—Arrangement of lighting devices for vehicle interiors; Lighting devices specially adapted for vehicle interiors for dashboards
    • B60Q3/14—Arrangement of lighting devices for vehicle interiors; Lighting devices specially adapted for vehicle interiors for dashboards lighting through the surface to be illuminated
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60Q—ARRANGEMENT OF SIGNALLING OR LIGHTING DEVICES, THE MOUNTING OR SUPPORTING THEREOF OR CIRCUITS THEREFOR, FOR VEHICLES IN GENERAL
    • B60Q3/00—Arrangement of lighting devices for vehicle interiors; Lighting devices specially adapted for vehicle interiors
    • B60Q3/10—Arrangement of lighting devices for vehicle interiors; Lighting devices specially adapted for vehicle interiors for dashboards
    • B60Q3/16—Circuits; Control arrangements
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60Q—ARRANGEMENT OF SIGNALLING OR LIGHTING DEVICES, THE MOUNTING OR SUPPORTING THEREOF OR CIRCUITS THEREFOR, FOR VEHICLES IN GENERAL
    • B60Q3/00—Arrangement of lighting devices for vehicle interiors; Lighting devices specially adapted for vehicle interiors
    • B60Q3/60—Arrangement of lighting devices for vehicle interiors; Lighting devices specially adapted for vehicle interiors characterised by optical aspects
    • B60Q3/62—Arrangement of lighting devices for vehicle interiors; Lighting devices specially adapted for vehicle interiors characterised by optical aspects using light guides
    • B60Q3/64—Arrangement of lighting devices for vehicle interiors; Lighting devices specially adapted for vehicle interiors characterised by optical aspects using light guides for a single lighting device
    • 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
HK98104536A 1996-04-05 1998-05-26 Back light illuminator for liquid crystal display apparatus HK1005384A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP08373896A JP3330489B2 (ja) 1996-04-05 1996-04-05 液晶用バックライト

Publications (1)

Publication Number Publication Date
HK1005384A1 true HK1005384A1 (en) 1999-01-08

Family

ID=13810871

Family Applications (1)

Application Number Title Priority Date Filing Date
HK98104536A HK1005384A1 (en) 1996-04-05 1998-05-26 Back light illuminator for liquid crystal display apparatus

Country Status (5)

Country Link
US (1) US5986727A (ko)
JP (1) JP3330489B2 (ko)
KR (1) KR100231016B1 (ko)
CN (1) CN1103060C (ko)
HK (1) HK1005384A1 (ko)

Families Citing this family (24)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ATE340967T1 (de) * 1998-12-29 2006-10-15 Osram Opto Semiconductors Gmbh Lichtquellenelement mit seitlicher schräger lichteinkopplung
KR20000055382A (ko) * 1999-02-05 2000-09-05 구자홍 엘씨디용 백-라이트 장치
JP2001035226A (ja) * 1999-07-16 2001-02-09 Advanced Display Inc 面状光源装置
US7009666B2 (en) * 1999-08-23 2006-03-07 Kent Displays Incorporated Back lit cholesteric liquid crystal display
US6532052B1 (en) 1999-08-23 2003-03-11 Kent Displays, Inc. Brightness enhancement for bistable cholesteric displays
US6464366B1 (en) 2000-08-03 2002-10-15 Bright View Electronics Co., Ltd Illumination device providing longitudinal illumination
WO2002029314A1 (en) * 2000-10-05 2002-04-11 Bright View Electronics Co., Ltd. An illumination device providing longitudinal illumination
KR100769922B1 (ko) * 2001-03-26 2007-10-24 삼성전자주식회사 백라이트 어셈블리 및 이를 갖는 액정표시장치
JP3980890B2 (ja) * 2002-01-23 2007-09-26 シャープ株式会社 導光板並びにそれを備えた光源装置及び表示装置
JP2004095390A (ja) * 2002-08-30 2004-03-25 Fujitsu Display Technologies Corp 照明装置及び表示装置
TW200409996A (en) * 2002-12-12 2004-06-16 Samsung Electronics Co Ltd Light guide plate with stepped edge and display device having the same
WO2006098029A1 (ja) * 2005-03-17 2006-09-21 Fujitsu Limited 照明装置及び液晶表示装置
TW200641416A (en) * 2005-05-31 2006-12-01 Bright View Electronics Co Ltd A lighting device providing longitudinal illumination
US7660509B2 (en) 2006-05-24 2010-02-09 3M Innovative Properties Company Backlight asymmetric light input wedge
US8052315B2 (en) 2006-07-28 2011-11-08 Fujifilm Corporation Planar illumination device
JP4963592B2 (ja) * 2006-07-28 2012-06-27 富士フイルム株式会社 面状照明装置
JP5010527B2 (ja) * 2007-06-04 2012-08-29 住友化学株式会社 導光板ユニット、面光源装置及び液晶表示装置
TW200905311A (en) * 2007-07-31 2009-02-01 Chi Mei Lighting Tech Corp Backlight module and application thereof
CN102112798B (zh) * 2008-08-05 2013-05-01 夏普株式会社 面光源装置
EP2161600A1 (en) * 2008-09-09 2010-03-10 TPO Displays Corp. Liquid crystal display device containing a light guide
FR3000783B1 (fr) * 2013-01-08 2015-03-06 Commissariat Energie Atomique Structure photo-active, procede de fabrication d'une telle structure et systeme d'eclairage
KR20150128719A (ko) * 2013-03-13 2015-11-18 휴렛-팩커드 디벨롭먼트 컴퍼니, 엘.피. 콜리메이팅 반사체를 갖는 백라이트
KR102367068B1 (ko) * 2015-03-31 2022-02-24 삼성전자주식회사 디스플레이 장치
CN105044980B (zh) * 2015-08-07 2018-03-20 创维液晶器件(深圳)有限公司 一种防漏光背光模组及液晶显示装置

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3030792B2 (ja) * 1991-09-27 2000-04-10 東ソー株式会社 バックライト
US5211467A (en) * 1992-01-07 1993-05-18 Rockwell International Corporation Fluorescent lighting system
JP3768542B2 (ja) * 1992-06-09 2006-04-19 株式会社デンソー 表示装置
JPH06148561A (ja) * 1992-11-06 1994-05-27 Sharp Corp 光源装置
JPH06250024A (ja) * 1993-02-25 1994-09-09 Sharp Corp 面光源装置

Also Published As

Publication number Publication date
KR100231016B1 (ko) 1999-11-15
JP3330489B2 (ja) 2002-09-30
CN1168479A (zh) 1997-12-24
US5986727A (en) 1999-11-16
KR970071075A (ko) 1997-11-07
JPH09274807A (ja) 1997-10-21
CN1103060C (zh) 2003-03-12

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Legal Events

Date Code Title Description
PF Patent in force
PC Patent ceased (i.e. patent has lapsed due to the failure to pay the renewal fee)

Effective date: 20080405