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KR850001438A - 액정표시 장치 - Google Patents

액정표시 장치 Download PDF

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Publication number
KR850001438A
KR850001438A KR1019840003975A KR840003975A KR850001438A KR 850001438 A KR850001438 A KR 850001438A KR 1019840003975 A KR1019840003975 A KR 1019840003975A KR 840003975 A KR840003975 A KR 840003975A KR 850001438 A KR850001438 A KR 850001438A
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KR
South Korea
Prior art keywords
liquid crystal
display device
angle
azimuth
equal
Prior art date
Application number
KR1019840003975A
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English (en)
Other versions
KR900008064B1 (ko
Inventor
암스투쯔 헤르만 (외 3)
Original Assignee
칼 피도욱스, 게르트 뤼크
비비시 브라운, 보베리 앤드 컴파니 리미티드
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=25693920&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=KR850001438(A) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Priority claimed from CH381983A external-priority patent/CH664027A5/de
Priority claimed from CH583583A external-priority patent/CH665491A5/de
Application filed by 칼 피도욱스, 게르트 뤼크, 비비시 브라운, 보베리 앤드 컴파니 리미티드 filed Critical 칼 피도욱스, 게르트 뤼크
Publication of KR850001438A publication Critical patent/KR850001438A/ko
Application granted granted Critical
Publication of KR900008064B1 publication Critical patent/KR900008064B1/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 
    • G02F1/17—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 variable-absorption elements not provided for in groups G02F1/015 - G02F1/169
    • 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

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

Abstract

내용 없음

Description

액정표시 장치
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
제1도는 본 발명에 따른 액정표시장치의 횡단면도.
제1a도는 내부반사기와 액정표시장치의 단면도.
제2도는 변수로써 층중간부의 경사각 θ와, 동작전압 U와, 다이어그램내의 파라메트로써 액정의 전체비틀림 각 ø와의 관게를 예시한 그래프.
제10도는 제4도에 따른 배열에 대한 제8도에 대응하는 곡선.

Claims (10)

  1. 보우더(3)와 셀을 형성한 2면-평행 지지판(1,2)과, 셀속에 정유전성 애니스트로피, 키랄 첨가제와 함께 충입된 네마틱 액정(5)과, 지지판(1,2)의 내면에 위치한 전극층(6,7)과, 방위층상의 액정의 국부광축이 상기 면판에 관하여 5°이상의 경사각을 가지는 것으로 적어도 하나 이상이 인접 액정분자와 일직선상되는 위에 놓이는 방위층(8,9)과, 광이 적어도 하나의 편측기를 통해 두번째 표시장치에 인입, 인출되는 형태로 배열된 적어도 하나 이상의 편측기(10)로 구성된 액정표시장치에 있어서, 상기 지지판(1,2) 사이의 거리가 10μm 이하이며, 상기 셀내의 액정(5)의 전체 비틀림의 크기 ø가 180°보다 같거나 크고 360°보다는 작으며, 액정(5)의 층두께(d)와 피치(p) 사이의 비의 크기가 0.50과 같거나 또는 더 크고, 0.95와 같거나 작음을 특징으로 하는 액정표시장치.
  2. 제1항에 있어서, 복굴절율(Δn)과 층두께(d)의 적은 0.60μm와 1.40μm사이에 있으며, 양호하게는 0.80μm와 1.20μm사이에 있음을 특징으로 하는 액정표시장치.
  3. 제2항에 있어서, 셀내에서의 액정(5)의 비틀림각의 크기가 240°와 300°사이에 있으며, 양호하게는 270°임을 특징으로 하는 액정표시장치.
  4. 제3항에 있어서, 액정(5)의 유전성 애니소트로피가 5와 같거나 이보다 더 큼을 특징으로 하는 액정표시장치.
  5. 제1항에 있어서, 다른 방위층상의 경사각은 5°보다 작음을 특징으로 하는 액정표시장치.
  6. 제1항에 있어서, 단지 하나의 전면편파기(10)와 금속성을 확산반사하는 반사기(12)(13)가 후면 지지판(2)뒤에 배치되고, 전면 편파기(10)의 진동방향이 20°와 70°사이의 크기, 양호하게는 30°와 60°사이의 크기를 가지는 전면방위층(8)의 바위방향과 각을 만듬을 특징으로 하는 액정표시장치.
  7. 제1항에 있어서, 전면편파기(10)와 후면편파기(11)가 제공되고, 상기 전면편파기(10)의 진동방향이 전면방위층(8)의 방위방향과 제1각(β)를 만들며, 후면편측기(11)의 진동방향이 후면방위층(9)의 방위방향과 제2각(γ)를 만들며, 상기 각(β,γ)의 크기가 20°와 70°사이, 양호하게는 30°와 60°사이에 놓임을 특징으로 하는 액정표시장치.
  8. 제7항에 있어서, 금속성을 확산반사하는 반사기(12)가 후면편측기(11)뒤에 배치됨을 특징으로 하는 액정표시장치.
  9. 제7항에 있어서, 제1각(β)과 제2각(γ)의 합이 대략 ±90°와 같거나 또는 대략 0°와 같으며, 상기 각은 입사관의 방향에서 시계방향센스의 "정"값으로써 계수됨을 특징으로 하는 액정표시장치.
  10. 제1항에 있어서, 스페이서(4)는 표시장치의 관찰영역위에 배치됨을 특징으로 하는 액정표시장치.
    ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
KR1019840003975A 1983-07-12 1984-07-09 액정 표시장치 KR900008064B1 (ko)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
CH3819/83-6 1983-07-12
CH381983A CH664027A5 (de) 1983-07-12 1983-07-12 Fluessigkristallanzeige.
CH583583A CH665491A5 (de) 1983-10-28 1983-10-28 Fluessigkristallanzeige.
CH5835/83-3 1983-10-28

Publications (2)

Publication Number Publication Date
KR850001438A true KR850001438A (ko) 1985-03-18
KR900008064B1 KR900008064B1 (ko) 1990-10-31

Family

ID=25693920

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019840003975A KR900008064B1 (ko) 1983-07-12 1984-07-09 액정 표시장치

Country Status (14)

Country Link
US (2) US4634229A (ko)
EP (1) EP0131216B1 (ko)
KR (1) KR900008064B1 (ko)
CA (1) CA1242784A (ko)
DD (1) DD222433A5 (ko)
DE (2) DE3467044D1 (ko)
FR (1) FR2549268B1 (ko)
GB (1) GB2143336B (ko)
HK (1) HK54890A (ko)
IN (1) IN161652B (ko)
NL (1) NL8402189A (ko)
NO (1) NO167241C (ko)
PH (1) PH24617A (ko)
SG (1) SG20690G (ko)

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EP0131216A2 (de) 1985-01-16
DE3467044D1 (en) 1987-12-03
DE3423993C2 (ko) 1988-06-23
NO167241B (no) 1991-07-08
KR900008064B1 (ko) 1990-10-31
FR2549268A1 (fr) 1985-01-18
NO842799L (no) 1985-01-14
EP0131216B1 (de) 1987-10-28
NL8402189A (nl) 1985-02-01
NO167241C (no) 1991-10-16
US4697884B1 (ko) 1990-08-28
GB8417776D0 (en) 1984-08-15
SG20690G (en) 1990-07-06
EP0131216A3 (en) 1985-03-13
US4634229A (en) 1987-01-06
DE3423993A1 (de) 1985-01-24
CA1242784A (en) 1988-10-04
DD222433A5 (de) 1985-05-15
IN161652B (ko) 1988-01-09
GB2143336B (en) 1987-04-01
PH24617A (en) 1990-08-17
HK54890A (en) 1990-07-27
GB2143336A (en) 1985-02-06
US4697884A (en) 1987-10-06
FR2549268B1 (fr) 1985-12-13

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