KR970048754A - 액정 표시 장치 - Google Patents

액정 표시 장치 Download PDF

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Publication number
KR970048754A
KR970048754A KR1019950046242A KR19950046242A KR970048754A KR 970048754 A KR970048754 A KR 970048754A KR 1019950046242 A KR1019950046242 A KR 1019950046242A KR 19950046242 A KR19950046242 A KR 19950046242A KR 970048754 A KR970048754 A KR 970048754A
Authority
KR
South Korea
Prior art keywords
liquid crystal
backlight unit
light guide
crystal display
guide plate
Prior art date
Application number
KR1019950046242A
Other languages
English (en)
Inventor
이성규
Original Assignee
김주용
현대전자산업 주식회사
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 김주용, 현대전자산업 주식회사 filed Critical 김주용
Priority to KR1019950046242A priority Critical patent/KR970048754A/ko
Priority to GB9624868A priority patent/GB2307767A/en
Priority to JP8336426A priority patent/JPH1054987A/ja
Priority to DE19649918A priority patent/DE19649918A1/de
Publication of KR970048754A publication Critical patent/KR970048754A/ko

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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
    • G02F1/133526—Lenses, e.g. microlenses or Fresnel lenses
    • 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
    • G02B6/0051—Diffusing 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
    • 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)
  • Nonlinear Science (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Mathematical Physics (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Liquid Crystal (AREA)
  • Devices For Indicating Variable Information By Combining Individual Elements (AREA)
  • Transforming Electric Information Into Light Information (AREA)
  • Planar Illumination Modules (AREA)

Abstract

본 발명은 액정표시 장치 및 그 제조 방법을 개시한다.개시된 장치는 도광판,도광판의 상부면에 형성되는 확산판,도광판의 장방향 측단부에 제공되는 형광 램프를 구비하는 백 라이트 유닛과,상기 백 라이트 유닛의 확산판의 상부면에 부착되는 것으로서 화소가 형성되는 액정 패널을 포함하는 액정 표시 장치에 있어서,상기 백 라이트 유닛의 확산판의 상부면에 배열된 집광 렌즈를 구비하는 것을 특징으로 한다.광원으로서 백 라이트 유닛으로부터의 빛의 이용 효율이 증가된다.

Description

액정 표시 장치
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
제2도는 본 발명의 일 실시예에 따라,액정 표시 장치에 구비되는 백 라이트 유닛의 확산판의 상부면에 집광 렌즈가 형성된 것을 보여주는 도면.
제3도는 본 발명에 따른 액정 표시 장치의 부분 사시도.

Claims (1)

  1. 도광판,도광판의 상부면에 형성되는 확산판,도광판의 장방향 측단부에 제공되는 형광 램프를 구비하는 백 라이트 유닛과,상기 백 라이트 유닛의 확산판의 상부면에 부착되는 것으로서 화소가 형성되는 액정 패널을 포함하는 액정 표시 장치에 있어서,상기 백 라이트 유닛의 확산판의 상부면에 배열된 집광 렌즈를 구비하는 것을 특징으로 하는 액정 표시 장치.
    ※ 참고사항: 최초출원 내용에 의하여 공개하는 것임.
KR1019950046242A 1995-12-02 1995-12-02 액정 표시 장치 KR970048754A (ko)

Priority Applications (4)

Application Number Priority Date Filing Date Title
KR1019950046242A KR970048754A (ko) 1995-12-02 1995-12-02 액정 표시 장치
GB9624868A GB2307767A (en) 1995-12-02 1996-11-29 Back light unit in a liquid crystal display
JP8336426A JPH1054987A (ja) 1995-12-02 1996-12-02 液晶表示装置
DE19649918A DE19649918A1 (de) 1995-12-02 1996-12-02 Flüssigkristall-Anzeigeeinrichtung

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1019950046242A KR970048754A (ko) 1995-12-02 1995-12-02 액정 표시 장치

Publications (1)

Publication Number Publication Date
KR970048754A true KR970048754A (ko) 1997-07-29

Family

ID=19437481

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019950046242A KR970048754A (ko) 1995-12-02 1995-12-02 액정 표시 장치

Country Status (4)

Country Link
JP (1) JPH1054987A (ko)
KR (1) KR970048754A (ko)
DE (1) DE19649918A1 (ko)
GB (1) GB2307767A (ko)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2003162901A (ja) 2001-11-27 2003-06-06 Fujitsu Display Technologies Corp バックライトおよび液晶表示装置
KR20050083468A (ko) * 2004-02-23 2005-08-26 엘지전자 주식회사 마이크로렌즈 어레이 시트가 적용된 조명 기구를 구비한액정 표시 장치 및 마이크로렌즈 어레이 시트의 제조 방법

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4798448A (en) * 1988-02-16 1989-01-17 General Electric Company High efficiency illumination system for display devices
US5396406A (en) * 1993-02-01 1995-03-07 Display Technology Industries Thin high efficiency illumination system for display devices
GB9309777D0 (en) * 1993-05-11 1993-06-23 Secretary Fo State For Defence Spartial light modulators

Also Published As

Publication number Publication date
DE19649918A1 (de) 1997-06-05
GB9624868D0 (en) 1997-01-15
JPH1054987A (ja) 1998-02-24
GB2307767A (en) 1997-06-04

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E601 Decision to refuse application