KR950014933A - 액정 표시 장치 - Google Patents

액정 표시 장치 Download PDF

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Publication number
KR950014933A
KR950014933A KR1019940030736A KR19940030736A KR950014933A KR 950014933 A KR950014933 A KR 950014933A KR 1019940030736 A KR1019940030736 A KR 1019940030736A KR 19940030736 A KR19940030736 A KR 19940030736A KR 950014933 A KR950014933 A KR 950014933A
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KR
South Korea
Prior art keywords
liquid crystal
panel
display
ohp
panels
Prior art date
Application number
KR1019940030736A
Other languages
English (en)
Other versions
KR0169154B1 (ko
Inventor
노리오 미우라
히사오 우에하라
아쯔요시 다니오까
가즈히꼬 모리와끼
마꼬도 시미즈
마사히로 오꾸야마
Original Assignee
다까노 야스아끼
상요덴기 가부시끼가이샤
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 다까노 야스아끼, 상요덴기 가부시끼가이샤 filed Critical 다까노 야스아끼
Publication of KR950014933A publication Critical patent/KR950014933A/ko
Application granted granted Critical
Publication of KR0169154B1 publication Critical patent/KR0169154B1/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
    • G02F1/1347—Arrangement of liquid crystal layers or cells in which the final condition of one light beam is achieved by the addition of the effects of two or more layers or cells
    • G02F1/13476—Arrangement of liquid crystal layers or cells in which the final condition of one light beam is achieved by the addition of the effects of two or more layers or cells in which at least one liquid crystal cell or layer assumes a scattering state
    • 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
    • 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
    • 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
    • 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
    • G02F1/133626—Illuminating devices providing two modes of illumination, e.g. day-night
    • G02F1/133627—Projection-direct viewing

Landscapes

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

Abstract

OHP 및 모니터 양쪽에 사용하는 디스플레이 장치를 제공하여 경제성을 향상시킨다.
표시 광체(1)내에 2장의 액정 패널(2, 4) 및 양 패널(2, 4) 사이에 형광 램프(5)를 구비한 구조이다. 이로써, OHP에 사용하는 경우는 패널(2)를 투과 상태로 설정해서 OHP 광원(6)으로부터의 광을 투과시켜서 패널(4)에 조사하고, 스크린에 화면을 확대 촬영한다. 모니터에 사용하는 경우는 패널(2)를 차광 상태로 설정해서 형광 램프(5)로부터의 광을 확산 반사시켜서 패널(4)로 조사하고, 직시 화상을 제공한다.

Description

액정 표시 장치
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
제2도는 본 발명의 실시예에 관한 액정 표시 장치를 모니터에 사용한 단면도,
제3도는 본 발명의 제1 및 제2실시예에 관한 액정 패널의 단면도.

Claims (3)

  1. 표시 화소마다 전압을 인가해서 액정을 경사시킴으로써 투과광을 조절하여 표시를 제공하는 액정 표시 장치에 있어서, 표시 광체 내에 소정의 전극을 갖는 2장의 기판 간에 액정 또는 액정을 함유하는 층을 끼워 구성된 제1 및 제2의 액정 패널이 서로 평행하게 배치되고, 상기 2장의 액정 패널 간에 조명 수단이 설치되며, 상기 2장의 액정 패널은 별도로 구동되는 것을 특징으로 하는 액정 표시 장치.
  2. 제1항에 있어서, 상기 제1 및 제2의 액정 패널은 동일한 구조인 것을 특징으로 하는 액정 표시 장치.
  3. 제1 또는 2항에 있어서, 상기 제1액정 패널은 상기 제2 액정 패널에 의한 표시 화면의 표시 영역을 제어하는 것을 특징으로 하는 액정 표시 장치.
    ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
KR1019940030736A 1993-11-25 1994-11-22 액정 표시 장치 KR0169154B1 (ko)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP93-295729 1993-11-25
JP29572993A JP3213462B2 (ja) 1993-11-25 1993-11-25 液晶表示装置

Publications (2)

Publication Number Publication Date
KR950014933A true KR950014933A (ko) 1995-06-16
KR0169154B1 KR0169154B1 (ko) 1999-03-20

Family

ID=17824419

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019940030736A KR0169154B1 (ko) 1993-11-25 1994-11-22 액정 표시 장치

Country Status (3)

Country Link
US (1) US5537233A (ko)
JP (1) JP3213462B2 (ko)
KR (1) KR0169154B1 (ko)

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Also Published As

Publication number Publication date
US5537233A (en) 1996-07-16
JP3213462B2 (ja) 2001-10-02
KR0169154B1 (ko) 1999-03-20
JPH07146473A (ja) 1995-06-06

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