[go: up one dir, main page]

KR940701437A - 개선된 회색조를 나타내는 티엔(tn) 쎌(tn cell with improved grey-shade representation) - Google Patents

개선된 회색조를 나타내는 티엔(tn) 쎌(tn cell with improved grey-shade representation)

Info

Publication number
KR940701437A
KR940701437A KR1019930703903A KR930703903A KR940701437A KR 940701437 A KR940701437 A KR 940701437A KR 1019930703903 A KR1019930703903 A KR 1019930703903A KR 930703903 A KR930703903 A KR 930703903A KR 940701437 A KR940701437 A KR 940701437A
Authority
KR
South Korea
Prior art keywords
substrates
liquid crystal
optical
distance
cell
Prior art date
Legal status (The legal status 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 status listed.)
Granted
Application number
KR1019930703903A
Other languages
English (en)
Other versions
KR100235688B1 (ko
Inventor
플라흐 헤르베르트
아드리아누스 브레델스 파울루스
Original Assignee
위르겐 호이만, 라인하르트 슈틀러
메르크 파텐트 게젤샤프트 미트 베쉬랭크터 하프퉁
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 위르겐 호이만, 라인하르트 슈틀러, 메르크 파텐트 게젤샤프트 미트 베쉬랭크터 하프퉁 filed Critical 위르겐 호이만, 라인하르트 슈틀러
Publication of KR940701437A publication Critical patent/KR940701437A/ko
Application granted granted Critical
Publication of KR100235688B1 publication Critical patent/KR100235688B1/ko
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

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
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
    • C09K19/00—Liquid crystal materials
    • C09K19/02—Liquid crystal materials characterised by optical, electrical or physical properties of the components, in general
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
    • C09K19/00—Liquid crystal materials
    • C09K19/02—Liquid crystal materials characterised by optical, electrical or physical properties of the components, in general
    • C09K19/0208—Twisted Nematic (T.N.); Super Twisted Nematic (S.T.N.); Optical Mode Interference (O.M.I.)
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
    • C09K19/00—Liquid crystal materials
    • C09K19/52—Liquid crystal materials characterised by components which are not liquid crystals, e.g. additives with special physical aspect: solvents, solid particles
    • C09K19/58—Dopants or charge transfer agents
    • C09K19/586—Optically active dopants; chiral dopants
    • 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
    • G02F2203/00—Function characteristic
    • G02F2203/30—Gray scale

Landscapes

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

Abstract

본 발명은 양성 유전 이방성을 갖고, 전극이 장착된 2개의 기판과 정렬된 필름간의 비틀림 각도가 약 90°이고, 상기 기판간의 간격 d와 광학이방성 △n의 곱 d·△n이 0.15 내지 0.70μm인 네마틱 액정을 함유하는 TN 쎌에 관한 것이다. 상기 쎌은, 회색조능을 개선시키기 위해서 액정이 도핑 성분을 함유하여, 기판간의 간격 d와 액정의 피치길이 p의 비간섭 지수에 대해 0.1≤d/p≤0.5의 범위를 가짐을 특징으로 한다.

Description

개선된 회색조를 나타내는 티엔(TN) 쎌(TN CELL WITH IMPROVED GREY-SHADE REPRESENTATION)
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
제1도는 다양한 시각 θ에 대한 적용 전압의 함수로서 상기 쎌의 상대 콘트라스트를 나타낸다,
제4도 및 제5도는 제1도에 개시된 TN 쎌에 실질적으로 상응하는 TN 쎌에 대한 전광 특성 라인을 나타낸다.

Claims (3)

  1. 양성 유전 이방성을 갖고, 전극이 장착된 2개의 기판과 정합층간의 비틀림 각도가 필수적으로 약 90°이며, 상기 기판간의 간격 d와 광학이방성 △n의 곱 d·△n이 0.15 내지 0.70μm인 네마틱 액정을 함유하는 TN 쎌에 있어서, 상기 액정이 회색조능을 개선시키기 위해 도핑 성분을 함유하여 상기 쎌이 기판간의 간격 d와 액정 피치 p의 교란되지 않은 지수에 대해 0.1≤d/p≤0.5의 값을 가짐을 특징으로 하는 TN 쎌.
  2. 제1항에 있어서, 상기 도핑 성분이, 낮은 임계 전압 온도 의존성을 갖도록 선택된 TN 쎌.
  3. TV 셋트 또는 비디오 장치의 디스플레이로서, 또는 다중매체 재생을 위한 교통 안내 시스템, 광학 컴퓨터, 광학 장치, 또는 광학 성분을 함유하는 전자 장치의 컴퓨터 스크린으로서의 제1항에 따른 TN 쎌의 용도.
    ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
KR1019930703903A 1992-04-16 1993-04-06 개선된 회색조를 나타내는 티엔(tn) 쎌 Expired - Fee Related KR100235688B1 (ko)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DEP4212744.0 1992-04-16
DE4212744A DE4212744C2 (de) 1992-04-16 1992-04-16 TN-Zelle mit d. DELTAn zwischen 0,15 und 0,70 mum
PCT/EP1993/000857 WO1993021281A1 (de) 1992-04-16 1993-04-06 Tn-zelle mit verbesserter graustufendarstellung

Publications (2)

Publication Number Publication Date
KR940701437A true KR940701437A (ko) 1994-05-28
KR100235688B1 KR100235688B1 (ko) 1999-12-15

Family

ID=6456949

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019930703903A Expired - Fee Related KR100235688B1 (ko) 1992-04-16 1993-04-06 개선된 회색조를 나타내는 티엔(tn) 쎌

Country Status (7)

Country Link
EP (1) EP0592635B1 (ko)
JP (3) JP2003286483A (ko)
KR (1) KR100235688B1 (ko)
DE (2) DE4212744C2 (ko)
ES (1) ES2125978T3 (ko)
TW (1) TW344759B (ko)
WO (1) WO1993021281A1 (ko)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100223601B1 (ko) * 1997-05-29 1999-10-15 윤종용 액정 표시 장치

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4340271A1 (de) * 1993-11-26 1995-06-01 Nokia Deutschland Gmbh Flüssigkristallanzeige
DE19746289B4 (de) * 1996-10-31 2012-04-19 Merck Patent Gmbh Dotierstoffe

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT946051B (it) * 1970-12-04 1973-05-21 Hoffmann La Roche Cellula ottica
FR2356173A1 (fr) * 1976-06-21 1978-01-20 Gen Electric Procede pour ameliorer le temps de descente d'un dispositif d'affichage a composition de cristaux liquides nematique en helice
DE2827471C2 (de) * 1978-06-22 1982-09-02 Siemens AG, 1000 Berlin und 8000 München Flüssigkristallzelle mit einer induzierten cholesterischen Phase
DE3022818C2 (de) * 1980-06-19 1986-11-27 Merck Patent Gmbh, 6100 Darmstadt Flüssigkristall-Anzeigeelement
JPS57195221A (en) * 1981-05-28 1982-11-30 Optrex Corp Liquid crystal display element
DE3137058A1 (de) * 1981-09-17 1983-03-31 Siemens AG, 1000 Berlin und 8000 München Temperaturkompensierte fluessigkristallanzeige
DE3333677A1 (de) * 1983-09-17 1985-04-04 Merck Patent Gmbh, 6100 Darmstadt Fluessigkristall-phase
DE3523185A1 (de) * 1984-07-11 1986-01-23 Merck Patent Gmbh, 6100 Darmstadt Fluessigkristall-phase
JPS63167331A (ja) * 1986-12-29 1988-07-11 Sharp Corp ツイステツド・ネマチツク型液晶表示素子
JPS63220221A (ja) * 1987-03-10 1988-09-13 Sharp Corp カラ−液晶表示素子
JPH02821A (ja) * 1988-02-19 1990-01-05 Asahi Glass Co Ltd 液晶表示素子
JPH01243019A (ja) * 1988-03-24 1989-09-27 Sharp Corp カラー液晶表示装置
JPH01252932A (ja) * 1988-03-31 1989-10-09 Matsushita Electric Ind Co Ltd 液晶表示装置
JPH02144517A (ja) * 1988-11-26 1990-06-04 Fujitsu Ltd 液晶表示装置の製造方法
DE4007039A1 (de) * 1989-04-07 1990-10-11 Merck Patent Gmbh Elektrooptisches fluessigkristallsystem
JP2784205B2 (ja) * 1989-04-14 1998-08-06 コニカ株式会社 透過型液晶表示装置

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100223601B1 (ko) * 1997-05-29 1999-10-15 윤종용 액정 표시 장치
US8094272B2 (en) 1997-05-29 2012-01-10 Samsung Electronics Co., Ltd. Liquid crystal displays
US9217896B2 (en) 1997-05-29 2015-12-22 Samsung Display Co., Ltd. Liquid crystal displays

Also Published As

Publication number Publication date
JPH06510384A (ja) 1994-11-17
DE59309057D1 (de) 1998-11-19
ES2125978T3 (es) 1999-03-16
JP2004231968A (ja) 2004-08-19
DE4212744C2 (de) 1994-10-13
EP0592635B1 (de) 1998-10-14
JP2004027187A (ja) 2004-01-29
DE4212744A1 (de) 1993-10-28
JP3529776B2 (ja) 2004-05-24
KR100235688B1 (ko) 1999-12-15
EP0592635A1 (de) 1994-04-20
TW344759B (en) 1998-11-11
JP2003286483A (ja) 2003-10-10
WO1993021281A1 (de) 1993-10-28

Similar Documents

Publication Publication Date Title
US4984874A (en) Liquid crystal display device having retardation films
KR940001473Y1 (ko) 액정표시장치
KR970007437A (ko) 액정성광학필름 및 액정성광학필름으로 되는 액정표시소자용 보상필름 및 그 보상 필름을 갖춘 액정표시장치
KR850001558A (ko) 액정 표시소자
KR860002032A (ko) 쌍안정성(雙安定性)을 가진 액정 소자의 구동 방법
KR910012784A (ko) 액정 표시 소자
KR860002731A (ko) 전기광학 표시소자
KR910008460A (ko) 액정표시장치
KR890007109A (ko) 액정표시소자
KR940701437A (ko) 개선된 회색조를 나타내는 티엔(tn) 쎌(tn cell with improved grey-shade representation)
KR970048708A (ko) 액정 표시 소자
KR970071091A (ko) 액정 표시 장치
JPH03288823A (ja) 液晶電気光学素子
KR980003721A (ko) 액정표시소자
KR920004891A (ko) 액정 전기 광학 장치
US20060250547A1 (en) Optically compensated birefringence (OCB) mode liquid crystal display device
KR970059800A (ko) 플로팅전극을 갖는 평면전기장 액정표시소자
JPS6250812A (ja) 液晶表示素子
GB1509180A (en) Liquid crystal devices
KR900012118A (ko) 액정 표시장치
KR940005983A (ko) 키랄 액정을 반대방향 사선(disclination)이 발생되지 않도록 하면서 배향시키는 방법
KR100781409B1 (ko) 시야각이 개선된 액정 표시 장치
EP0588484A2 (en) A liquid crystal display
JPH02302725A (ja) 液晶表示装置
KR100495795B1 (ko) 액정 표시 장치

Legal Events

Date Code Title Description
PA0105 International application

St.27 status event code: A-0-1-A10-A15-nap-PA0105

R17-X000 Change to representative recorded

St.27 status event code: A-3-3-R10-R17-oth-X000

PG1501 Laying open of application

St.27 status event code: A-1-1-Q10-Q12-nap-PG1501

A201 Request for examination
PA0201 Request for examination

St.27 status event code: A-1-2-D10-D11-exm-PA0201

R17-X000 Change to representative recorded

St.27 status event code: A-3-3-R10-R17-oth-X000

E701 Decision to grant or registration of patent right
PE0701 Decision of registration

St.27 status event code: A-1-2-D10-D22-exm-PE0701

GRNT Written decision to grant
PR0701 Registration of establishment

St.27 status event code: A-2-4-F10-F11-exm-PR0701

PR1002 Payment of registration fee

St.27 status event code: A-2-2-U10-U12-oth-PR1002

Fee payment year number: 1

PG1601 Publication of registration

St.27 status event code: A-4-4-Q10-Q13-nap-PG1601

PR1001 Payment of annual fee

St.27 status event code: A-4-4-U10-U11-oth-PR1001

Fee payment year number: 4

PR1001 Payment of annual fee

St.27 status event code: A-4-4-U10-U11-oth-PR1001

Fee payment year number: 5

PR1001 Payment of annual fee

St.27 status event code: A-4-4-U10-U11-oth-PR1001

Fee payment year number: 6

FPAY Annual fee payment

Payment date: 20050926

Year of fee payment: 7

PR1001 Payment of annual fee

St.27 status event code: A-4-4-U10-U11-oth-PR1001

Fee payment year number: 7

LAPS Lapse due to unpaid annual fee
PC1903 Unpaid annual fee

St.27 status event code: A-4-4-U10-U13-oth-PC1903

Not in force date: 20060929

Payment event data comment text: Termination Category : DEFAULT_OF_REGISTRATION_FEE

PC1903 Unpaid annual fee

St.27 status event code: N-4-6-H10-H13-oth-PC1903

Ip right cessation event data comment text: Termination Category : DEFAULT_OF_REGISTRATION_FEE

Not in force date: 20060929

R18-X000 Changes to party contact information recorded

St.27 status event code: A-5-5-R10-R18-oth-X000