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KR910006901A - 액정 표시장치 - Google Patents

액정 표시장치 Download PDF

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Publication number
KR910006901A
KR910006901A KR1019900015239A KR900015239A KR910006901A KR 910006901 A KR910006901 A KR 910006901A KR 1019900015239 A KR1019900015239 A KR 1019900015239A KR 900015239 A KR900015239 A KR 900015239A KR 910006901 A KR910006901 A KR 910006901A
Authority
KR
South Korea
Prior art keywords
liquid crystal
crystal display
display panel
display device
wide
Prior art date
Application number
KR1019900015239A
Other languages
English (en)
Other versions
KR940000593B1 (ko
Inventor
마사코 나카무라
마사하루 바바
Original Assignee
스루오 스토무
도시바 라이테크 가부시기가이샤
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 스루오 스토무, 도시바 라이테크 가부시기가이샤 filed Critical 스루오 스토무
Publication of KR910006901A publication Critical patent/KR910006901A/ko
Application granted granted Critical
Publication of KR940000593B1 publication Critical patent/KR940000593B1/ko

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Classifications

    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
    • G09F9/00—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual 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
    • G02F1/1336—Illuminating devices
    • G02F1/133602—Direct backlight
    • G02F1/133606—Direct backlight including a specially adapted diffusing, scattering or light controlling members
    • 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
    • G02F1/133604—Direct backlight with lamps
    • 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
    • G02F1/133611—Direct backlight including means for improving the brightness uniformity

Landscapes

  • Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • General Physics & Mathematics (AREA)
  • Mathematical Physics (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Optics & Photonics (AREA)
  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Liquid Crystal (AREA)
  • Illuminated Signs And Luminous Advertising (AREA)
  • Devices For Indicating Variable Information By Combining Individual Elements (AREA)

Abstract

내용 없음.

Description

액정표시장치
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
제1도는 본 발명의 한 실시예에 관한 액정표시장치 전체의 분해사시도.
제2도는 제1도의 장치의 정면도.
제3도는 제1도의 장치의 단면도.

Claims (4)

  1. 투과형액정으로 구성되는 표시면을 가지는 액정표시판과, 이 액정표시판의 배면측에 설치되는 관형램프를 구비하고, 상기 액정표시판의 배면을 조사하는 백라이트 광원장치를 구비한 액정표시장치에 있어서, 상기 액정표시판에서 시야각이 넓은 방향과 상기 광원장치에서 휘도얼룩이 적은 방향을 일치시킨것을 특징으로 하는 액정표시장치.
  2. 제1항에 있어서, 관형램프의 축방향과 시야각이 넓은 방향을 일치시킨것을 특징으로 하는 액정표시장치.
  3. 제2항에 있어서, 관형램프가 형광램프인 것을 특징으로 하는 액정표시장치.
  4. 제1항에 있어서, 관형램프는 U자형 형광램프이고, U자형 램프의 직선부와 시야각이 넓은 방향을 일치시킨것들 특징으로 하는 액정표시장치.
    ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
KR1019900015239A 1989-09-28 1990-09-26 액정표시장치 KR940000593B1 (ko)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP1250433A JPH03113481A (ja) 1989-09-28 1989-09-28 液晶表示装置
JP89-250433 1989-09-28
JP1-250433 1989-09-28

Publications (2)

Publication Number Publication Date
KR910006901A true KR910006901A (ko) 1991-04-30
KR940000593B1 KR940000593B1 (ko) 1994-01-26

Family

ID=17207811

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019900015239A KR940000593B1 (ko) 1989-09-28 1990-09-26 액정표시장치

Country Status (3)

Country Link
EP (1) EP0420072A3 (ko)
JP (1) JPH03113481A (ko)
KR (1) KR940000593B1 (ko)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0593908A (ja) * 1991-09-30 1993-04-16 Sony Corp 液晶表示装置
US5471327A (en) * 1993-05-14 1995-11-28 Kaiser Optical Systems, Inc. Holographic diffuser for back-lit display
FR2710439B1 (fr) * 1993-09-21 1995-11-24 Sextant Avionique Module d'éclairage pour instruments à matrice à cristaux liquides.
ATE431922T1 (de) 2001-04-18 2009-06-15 Ibm Illuminator, ihn enthaltende flüssigkristallanzeige mit lampenfassung
DE20304341U1 (de) * 2003-03-18 2004-07-29 Aeg Gesellschaft für Moderne Informationssysteme mbH Flüssigkristallanzeige zur Approximation einer gekrümmten Oberfläche
US7804554B2 (en) * 2005-12-09 2010-09-28 Sony Corporation Surface emitting device and liquid crystal display

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4171874A (en) * 1975-02-03 1979-10-23 General Electric Company Evenly illuminated display devices
JPS60202464A (ja) * 1984-03-27 1985-10-12 シチズン時計株式会社 液晶表示装置
JPS6240151A (ja) * 1985-08-14 1987-02-21 Hitachi Ltd 蛍光ランプ
US4766524A (en) * 1986-02-07 1988-08-23 Hitachi, Ltd. Back light device for uniformly illuminating a liquid crystal display plate
JPS6363083A (ja) * 1986-09-03 1988-03-19 大日本印刷株式会社 面光源

Also Published As

Publication number Publication date
JPH03113481A (ja) 1991-05-14
KR940000593B1 (ko) 1994-01-26
EP0420072A2 (en) 1991-04-03
EP0420072A3 (en) 1992-05-06

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