[go: up one dir, main page]

KR930008501A - 액정표시장치 및 그 백라이트배열 - Google Patents

액정표시장치 및 그 백라이트배열 Download PDF

Info

Publication number
KR930008501A
KR930008501A KR1019920010130A KR920010130A KR930008501A KR 930008501 A KR930008501 A KR 930008501A KR 1019920010130 A KR1019920010130 A KR 1019920010130A KR 920010130 A KR920010130 A KR 920010130A KR 930008501 A KR930008501 A KR 930008501A
Authority
KR
South Korea
Prior art keywords
light
fluorescent tube
liquid crystal
crystal display
display device
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.)
Ceased
Application number
KR1019920010130A
Other languages
English (en)
Inventor
이마이 사또시
Original Assignee
사도우겡 이찌로
로무가부시기가이샤
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 사도우겡 이찌로, 로무가부시기가이샤 filed Critical 사도우겡 이찌로
Publication of KR930008501A publication Critical patent/KR930008501A/ko
Ceased 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
    • G02B6/0013—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
    • G02B6/002—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 by shaping at least a portion of the light guide, e.g. with collimating, focussing or diverging surfaces
    • G02B6/0021—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 by shaping at least a portion of the light guide, e.g. with collimating, focussing or diverging surfaces for housing at least a part of the light source, e.g. by forming holes or recesses
    • 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
    • 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
    • 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
    • G02B6/0066—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
    • G02B6/007—Incandescent lamp or gas discharge lamp
    • G02B6/0071—Incandescent lamp or gas discharge lamp with elongated shape, e.g. tube

Landscapes

  • Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Mathematical Physics (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Liquid Crystal (AREA)
  • Transforming Electric Information Into Light Information (AREA)
  • Planar Illumination Modules (AREA)
  • Devices For Indicating Variable Information By Combining Individual Elements (AREA)

Abstract

형광관(17)에서 나오는 빛이 광전도판(30, 32)을 통해 표시장치를 배면으로 전도되는 에지식 백라이트를 갖는 투과형 액정표시장치에 있어서, 광전도판(30, 32)은 형광관(17)의 원통형의 외벽을 따라 만곡되고 그 전체가 형광관(17)과 접촉하는 광도입부(31, 33)를 가지며, 형광관(17)에서 나오는 빛은 높은 효율로 표시면에 전도된다.

Description

액정표시장치 및 그 백라이트배열
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
제1도는 본 발명의 액정표시장치의 전형적인 실시예를 도시한 횡단면도.
제2도는 본 발명의 액정표시장치의 다른 실시예를 도시한 횡단면도.

Claims (3)

  1. 액정표시장치에 있어서, 상반되는 면을 갖는 투과형 액정표시수단과, 광도입부(31,33)를 가지며 표시수단의 일면에 이웃하는 광전도판수단(30, 32) 및 적어도 두개의 접촉영역에서 광전도판수단(30, 32)의 광도입부(31, 33)와 접촉하는 광원수단(17)을 구비하는 것을 특징으로 하는 백라이트를 갖는 액정표시장치.
  2. 에지식 백라이트 배열에 있어서, 적어도 두개의 접촉영역에서 광전도판수단(30, 32)의 광도입부(31, 33)와 접촉하는 광원수단(17)과, 광원수단(17)에 이웃하는 광도입부(31, 33)에서 나오는 빛을 액정표시면으로 전도하는 광전도판수단(30, 32)을 구비하는 것을 특징으로 하는 에지식 백라이트배열.
  3. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
KR1019920010130A 1991-11-07 1992-06-11 액정표시장치 및 그 백라이트배열 Ceased KR930008501A (ko)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP91-321085 1991-11-07
JP3321085A JPH05127161A (ja) 1991-11-07 1991-11-07 液晶表示装置及びそのバツクライト

Publications (1)

Publication Number Publication Date
KR930008501A true KR930008501A (ko) 1993-05-21

Family

ID=18128650

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019920010130A Ceased KR930008501A (ko) 1991-11-07 1992-06-11 액정표시장치 및 그 백라이트배열

Country Status (3)

Country Link
US (1) US5253089A (ko)
JP (1) JPH05127161A (ko)
KR (1) KR930008501A (ko)

Families Citing this family (28)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6002829A (en) 1992-03-23 1999-12-14 Minnesota Mining And Manufacturing Company Luminaire device
US5528720A (en) 1992-03-23 1996-06-18 Minnesota Mining And Manufacturing Co. Tapered multilayer luminaire devices
US5428468A (en) * 1993-11-05 1995-06-27 Alliedsignal Inc. Illumination system employing an array of microprisms
US5555329A (en) * 1993-11-05 1996-09-10 Alliesignal Inc. Light directing optical structure
US5521725A (en) * 1993-11-05 1996-05-28 Alliedsignal Inc. Illumination system employing an array of microprisms
US6129439A (en) * 1993-11-05 2000-10-10 Alliedsignal Inc. Illumination system employing an array of multi-faceted microprisms
US5396350A (en) * 1993-11-05 1995-03-07 Alliedsignal Inc. Backlighting apparatus employing an array of microprisms
JP2848772B2 (ja) * 1993-11-12 1999-01-20 スタンレー電気株式会社 面光源装置
US5598281A (en) * 1993-11-19 1997-01-28 Alliedsignal Inc. Backlight assembly for improved illumination employing tapered optical elements
US7108414B2 (en) 1995-06-27 2006-09-19 Solid State Opto Limited Light emitting panel assemblies
US5838403A (en) * 1996-02-14 1998-11-17 Physical Optics Corporation Liquid crystal display system with internally reflecting waveguide for backlighting and non-Lambertian diffusing
US6072551A (en) * 1996-02-14 2000-06-06 Physical Optics Corporation Backlight apparatus for illuminating a display with controlled light output characteristics
US6219117B1 (en) * 1996-06-12 2001-04-17 Alps Electric Co., Ltd. Liquid crystal display device
TW464784B (en) * 1996-12-06 2001-11-21 Alps Electric Co Ltd Liquid crystal display device
US6464372B1 (en) * 2000-06-27 2002-10-15 Osram Sylvania Inc. Lamp device and assembly
KR100883094B1 (ko) * 2002-07-04 2009-02-11 삼성전자주식회사 백라이트 어셈블리 및 이를 이용한 액정표시장치
CN101142442A (zh) * 2005-03-17 2008-03-12 富士通株式会社 照明装置和液晶显示装置
US20070091642A1 (en) * 2005-10-14 2007-04-26 Lg Electronics, Inc. Light guide plate and backlight unit having the same
EP1775611A1 (en) * 2005-10-14 2007-04-18 LG Electronics Inc. Back light unit with means for improving the light source coupling into the incident surface of a light guiding plate
TWI330288B (en) * 2006-01-17 2010-09-11 Au Optronics Corp Backlight module
US7672549B2 (en) 2007-09-10 2010-03-02 Banyan Energy, Inc. Solar energy concentrator
US8412010B2 (en) 2007-09-10 2013-04-02 Banyan Energy, Inc. Compact optics for concentration and illumination systems
US7664350B2 (en) 2007-09-10 2010-02-16 Banyan Energy, Inc. Compact optics for concentration, aggregation and illumination of light energy
CN101504125B (zh) * 2008-02-04 2012-05-30 北京京东方光电科技有限公司 背光源
KR20130130707A (ko) 2010-10-28 2013-12-02 반얀 에너지, 인크 집광 및 조명 시스템을 위한 방향전환 광소자
TWI572945B (zh) * 2016-03-15 2017-03-01 恆顥科技股份有限公司 穿戴式顯示裝置
CN105842775A (zh) * 2016-04-25 2016-08-10 深圳市华星光电技术有限公司 导光板、背光模组及显示装置
KR102520718B1 (ko) * 2017-10-19 2023-04-11 삼성전자주식회사 디스플레이 장치

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2619367A1 (de) * 1976-04-30 1977-11-17 Siemens Ag Fluessigkristallanzeige mit zusatzbeleuchtung
GB2161969B (en) * 1984-07-17 1988-03-09 Stc Plc Edge lit liquid crystal display device
GB8816952D0 (en) * 1988-07-15 1988-08-17 Emi Plc Thorn Display device
US4974122A (en) * 1989-03-28 1990-11-27 Rockwell International Corporation Compact LCD luminaire
US5050946A (en) * 1990-09-27 1991-09-24 Compaq Computer Corporation Faceted light pipe

Also Published As

Publication number Publication date
US5253089A (en) 1993-10-12
JPH05127161A (ja) 1993-05-25

Similar Documents

Publication Publication Date Title
KR930008501A (ko) 액정표시장치 및 그 백라이트배열
KR930006488A (ko) 액정 표시 장치
KR890004187A (ko) 광원장치
KR100312052B1 (ko) 광 발생부앞에 광 투과 부재를 갖는 액정 디스플레이
KR900018724A (ko) 모서리-조명 액정표시장치
KR880008227A (ko) 액정 표시 패널용 조명 시스템
KR920006895A (ko) 배면광을 가진 액정표시장치를 백라이팅하기 위한 시스템
KR900016933A (ko) 배면광 장치(back light)
KR960011487A (ko) 시각에 대한 디스플레이 품질의 의존성이 감소된 투과형 액정 디스플레이
KR960008384A (ko) 액정표시에 사용하기 위한 배광장치
JP2002133935A (ja) 面光源装置及び画像表示装置
US6375336B1 (en) Spread illumination apparatus
KR910014738A (ko) 액정표시장치
JP3328669B2 (ja) エッジライト照明装置
KR890006055A (ko) 백라이트장치
KR960008382A (ko) 액정 표시 장치용 배광 장치
KR910006901A (ko) 액정 표시장치
US8529080B2 (en) Lamp fixing member, backlight assembly having the same, and display apparatus having the backlight assembly
KR100441843B1 (ko) 액정표시장치의 백라이트 어셈블리
JP2002082625A (ja) 面状光源装置
KR100293812B1 (ko) 분리형 몰드 프레임을 갖는 백 라이트 유니트
KR960015032A (ko) 면 광원 장치
KR950033594A (ko) 도광판 및 그것을 이용한 평면 조광장치
KR200227828Y1 (ko) 백 라이트 유니트
KR970075976A (ko) 액정표시장치 모듈

Legal Events

Date Code Title Description
PA0109 Patent application

Patent event code: PA01091R01D

Comment text: Patent Application

Patent event date: 19920611

PG1501 Laying open of application
A201 Request for examination
PA0201 Request for examination

Patent event code: PA02012R01D

Patent event date: 19960702

Comment text: Request for Examination of Application

Patent event code: PA02011R01I

Patent event date: 19920611

Comment text: Patent Application

E902 Notification of reason for refusal
PE0902 Notice of grounds for rejection

Comment text: Notification of reason for refusal

Patent event date: 19990210

Patent event code: PE09021S01D

AMND Amendment
E902 Notification of reason for refusal
PE0902 Notice of grounds for rejection

Comment text: Notification of reason for refusal

Patent event date: 19990609

Patent event code: PE09021S01D

AMND Amendment
E601 Decision to refuse application
PE0601 Decision on rejection of patent

Patent event date: 19991001

Comment text: Decision to Refuse Application

Patent event code: PE06012S01D

Patent event date: 19990609

Comment text: Notification of reason for refusal

Patent event code: PE06011S01I

Patent event date: 19990210

Comment text: Notification of reason for refusal

Patent event code: PE06011S01I

AMND Amendment
J201 Request for trial against refusal decision
PJ0201 Trial against decision of rejection

Patent event date: 19991230

Comment text: Request for Trial against Decision on Refusal

Patent event code: PJ02012R01D

Patent event date: 19991001

Comment text: Decision to Refuse Application

Patent event code: PJ02011S01I

Appeal kind category: Appeal against decision to decline refusal

Decision date: 20010629

Appeal identifier: 1999101004846

Request date: 19991230

PB0901 Examination by re-examination before a trial

Comment text: Amendment to Specification, etc.

Patent event date: 19991230

Patent event code: PB09011R02I

Comment text: Request for Trial against Decision on Refusal

Patent event date: 19991230

Patent event code: PB09011R01I

Comment text: Amendment to Specification, etc.

Patent event date: 19990806

Patent event code: PB09011R02I

Comment text: Amendment to Specification, etc.

Patent event date: 19990409

Patent event code: PB09011R02I

B601 Maintenance of original decision after re-examination before a trial
PB0601 Maintenance of original decision after re-examination before a trial
J301 Trial decision

Free format text: TRIAL DECISION FOR APPEAL AGAINST DECISION TO DECLINE REFUSAL REQUESTED 19991230

Effective date: 20010629

PJ1301 Trial decision

Patent event code: PJ13011S01D

Patent event date: 20010630

Comment text: Trial Decision on Objection to Decision on Refusal

Appeal kind category: Appeal against decision to decline refusal

Request date: 19991230

Decision date: 20010629

Appeal identifier: 1999101004846