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KR870002471A - 트위스 티드네마틱형 액정표시 소자 - Google Patents

트위스 티드네마틱형 액정표시 소자 Download PDF

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Publication number
KR870002471A
KR870002471A KR1019860005905A KR860005905A KR870002471A KR 870002471 A KR870002471 A KR 870002471A KR 1019860005905 A KR1019860005905 A KR 1019860005905A KR 860005905 A KR860005905 A KR 860005905A KR 870002471 A KR870002471 A KR 870002471A
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KR
South Korea
Prior art keywords
liquid crystal
polarizer
crystal display
display device
color
Prior art date
Application number
KR1019860005905A
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English (en)
Inventor
히데아끼 나까즈까
미끼오 가나자끼
야스히꼬 간도
도시히꼬 도조
신지 하세가와
Original Assignee
미따 가쯔시게
가부시기가이샤 히다찌세이다꾸쇼
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 미따 가쯔시게, 가부시기가이샤 히다찌세이다꾸쇼 filed Critical 미따 가쯔시게
Publication of KR870002471A publication Critical patent/KR870002471A/ko
Priority to KR2019900011934U priority Critical patent/KR920003853Y1/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
    • G02F1/137—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 characterised by the electro-optical or magneto-optical effect, e.g. field-induced phase transition, orientation effect, guest-host interaction or dynamic scattering
    • G02F1/139—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 characterised by the electro-optical or magneto-optical effect, e.g. field-induced phase transition, orientation effect, guest-host interaction or dynamic scattering based on orientation effects in which the liquid crystal remains transparent
    • G02F1/1396—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 characterised by the electro-optical or magneto-optical effect, e.g. field-induced phase transition, orientation effect, guest-host interaction or dynamic scattering based on orientation effects in which the liquid crystal remains transparent the liquid crystal being selectively controlled between a twisted state and a non-twisted state, e.g. TN-LC cell
    • G02F1/1397—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 characterised by the electro-optical or magneto-optical effect, e.g. field-induced phase transition, orientation effect, guest-host interaction or dynamic scattering based on orientation effects in which the liquid crystal remains transparent the liquid crystal being selectively controlled between a twisted state and a non-twisted state, e.g. TN-LC cell the twist being substantially higher than 90°, e.g. STN-, SBE-, OMI-LC cells
    • 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
    • G02F1/133528—Polarisers
    • G02F1/133533—Colour selective polarisers

Landscapes

  • Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Mathematical Physics (AREA)
  • Liquid Crystal (AREA)

Abstract

내용 없음

Description

트위스 티드네마틱형 액정표시 소자
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
제1도는 본 발명에 의한 액정표시소자에 있어서의 전극기판의 액정 분자배열방향과, 액정분자의 트위스트방향 및 편광기의 축간의 일반적인 상관관계도.
제2도는 본 발명에 의한 액정표시소자의 사시도.
제3도는 본 발명의 구체적인 실시예에 있어서의 제1도와 유사한 설명도.
* 도면의 주요부분에 대한 부호의 설명
6, 11 : 러빙방향 7, 21 : 러빙방향
8, 51 : 편광축 9, 16 : 편광축
10 : 트위스트 방향 11 : 상측전극기판
12 : 하측전극기판 15 : 상측편광기
16 : 하측편광기 17 : 액정분자
20 : 반사판

Claims (6)

  1. 서로대향배열되어 그 사이에 액정층이 협지된 한쌍의 전극 기판을 구비하고, 상기 액정층은 정의 유전이방사성을 가지는 네마틱액정을 포함함과 동시에 신광성물질이 첨가되고, 상기 각 전극기판은 적국기판에 인접한 액정분자가 소정방향으로 배열되는 표면구조를 가지고, 상기 액정층은 그 두께방향을 따라서 160°내지 360°범위내에서 트위스트된 나선구조를 가지고, 상기 액정층 양측의 상기 전극기판에 인접배열된 한쌍의 편광기를 구비하고, 상기 각 편광기는 이 편광기에 인접한 전극기판의 액정분자 배열방향에 대하여 소정각 만큼 경사진 편광축을 가지고, 상기 편광기중 적어도 하나는 편광기의 편광축과 전극기판의 액정분자 배열방향간의 불일치로 인해 야기되는 복굴절 효과에 의한 발색을 보상하는 분광특성을 가지므로써 소자로부터의 표시광을 대략 무색이 되게하는 색 편광기로 구성되는 것을 특징으로 하는 액정표시소자.
  2. 제1항에 있어서, 전극기판의 액정소자 배열방향에 대한 편광기광축의 상기 소정의 경사각은 20°내지 70°범위내에 있는 것을 특징으로 하는 액정표시소자.
  3. 제2항에 있어서, 상기 액정층의 두께d(㎛)와 상기 네마틱액정의 광학이방성 Δn의 곱 Δn·d은 0.7㎛ 내지 1.2㎛ 범위내에 있는 것을 특징으로 하는 액정표시소자.
  4. 제3항에 있어서, 상기 색편광기의 분광특성은 제9도의 커브(A)와 커브(B)간에 구획된 영역에 해당하도록 선택되는 것을 특징으로 하는 액정표시소자.
  5. 제2항에 있어서, 상기 편광기 중의 하나에 인접배열된 반사판을 포함하고, 한 편광기는 상기 색편광기로 구성되는 한편 다른 편광기는 중성편광기로 구성되는 것을 특징으로 하는 액정표시소자.
  6. 제3항에 있어서, 상기 색편광기는 자홍색편광기인 것을 특징으로 하는 액정표시소자.
    ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
KR1019860005905A 1985-08-02 1986-07-21 트위스 티드네마틱형 액정표시 소자 KR870002471A (ko)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR2019900011934U KR920003853Y1 (ko) 1985-08-02 1990-08-07 트위스티드 네마틱형 액정표시소자

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP60-169806 1985-08-02
JP60169806A JPS6231822A (ja) 1985-08-02 1985-08-02 液晶表示素子

Related Child Applications (1)

Application Number Title Priority Date Filing Date
KR2019900011934U Division KR920003853Y1 (ko) 1985-08-02 1990-08-07 트위스티드 네마틱형 액정표시소자

Publications (1)

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KR870002471A true KR870002471A (ko) 1987-03-31

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KR1019860005905A KR870002471A (ko) 1985-08-02 1986-07-21 트위스 티드네마틱형 액정표시 소자

Country Status (3)

Country Link
US (1) US4759612A (ko)
JP (1) JPS6231822A (ko)
KR (1) KR870002471A (ko)

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Also Published As

Publication number Publication date
JPS6231822A (ja) 1987-02-10
JPH0349412B2 (ko) 1991-07-29
US4759612A (en) 1988-07-26

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