KR970071080A - 액정표시소자 제조방법 - Google Patents

액정표시소자 제조방법 Download PDF

Info

Publication number
KR970071080A
KR970071080A KR1019960012248A KR19960012248A KR970071080A KR 970071080 A KR970071080 A KR 970071080A KR 1019960012248 A KR1019960012248 A KR 1019960012248A KR 19960012248 A KR19960012248 A KR 19960012248A KR 970071080 A KR970071080 A KR 970071080A
Authority
KR
South Korea
Prior art keywords
liquid crystal
voltage
chiral dopant
crystal cell
lower substrates
Prior art date
Application number
KR1019960012248A
Other languages
English (en)
Other versions
KR0183206B1 (ko
Inventor
김완수
Original Assignee
구자홍
Lg 전자주식회사
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 구자홍, Lg 전자주식회사 filed Critical 구자홍
Priority to KR1019960012248A priority Critical patent/KR0183206B1/ko
Publication of KR970071080A publication Critical patent/KR970071080A/ko
Application granted granted Critical
Publication of KR0183206B1 publication Critical patent/KR0183206B1/ko

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
    • G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333—Constructional arrangements; Manufacturing methods
    • G02F1/1337—Surface-induced orientation of the liquid crystal molecules, e.g. by alignment layers
    • 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
    • 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
    • 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
    • G02F1/1337—Surface-induced orientation of the liquid crystal molecules, e.g. by alignment layers
    • G02F1/133796—Surface-induced orientation of the liquid crystal molecules, e.g. by alignment layers having conducting property

Landscapes

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

Abstract

일정 방향으로 트위스트되도록 배향규제력이 부여된 배향막이 내측에 형성된 상하기판 사이로 삽입된 액정층으로 구성된 액정셀내에 배향규제력에 의해 결정되는 액정분자의 트위스트방향과 반대방향의 트위스트성질을 보유하는 카이랄도판트를 첨가한 후, 액정셀에 높은 전압을 인가하고 다시 벤드구조가 유지되는 최소의 전압까지 전압을 낮추어서 형성된 벤드구조가 안정되게 한다.

Description

액정표시소자 제조방법
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
제5도는 본 발명에 따른 트위스트네마틱 벤드 액정셀의 구조를 나타내는 도면이고, (a)는 배향방향이 결정된 액정셀에 액정이 주입된 것을 나타내는 도면이고, (b)는 (a)의 Y-Y'선 단면도이고, (c)는 액정에 카이랄도판트가 첨가된 경우의 단면도이며, (d)는 전압을 인가했을 때의 단면도.

Claims (8)

  1. 서로 다른 방향의 배향방향이 결정된 상하기판 사이에 주입된 액정에 카이랄도판트를 액정에 첨가하는 단계와, 상기한 액정셀에 전합(Vsat)을 인가하는 단계와, 상기한 액정셀에 인가되는 전압을 일정 전압(Vc)으로 다시 낮추는 단계로 구성된 트위스트네마틱 벤드 액정셀 제조방법.
  2. 제1항에 있어서, 상기한 액정이 좌수 트위스트되는 것을 특징으로 하는 트위스트네마틱 벤드 액정셀 제조방법.
  3. 제1항에 있어서, 상기한 카이랄도판트가 우수 카이랄도판트인 것을 특징으로 하는 트위스트네마틱 벤드 액정셀 제조방법.
  4. 제1항에 있어서, 상기한 전압(Vc)이 벤드구조가 유지되는 최소 전압인 것을 특징으로 하는 트위스트네마틱 액정셀 제조방법.
  5. 상하기판에 배향막을 성막하는 단계와, 배향막이 성막된 상하 기판에 배향방향을 결정하는 단계와, 상기한 기판 사이로 액정을 주입하는 단계와, 상기한 액정에 카이랄도판트를 첨가하는 단계와, 액정셀에 전압(Vsat)을 인가하는 단계와, 상기한 액정셀에 인가되는 전압을 일정 전압(Vc)으로 다시 낮추는 단계로 구성된 액정표시장치 제조방법.
  6. 제5항에 있어서, 상기한 액정이 좌수 트위스트되는 것을 특징으로 하는 트위스트네마틱 벤드 액정셀 제조방법.
  7. 제5항에 있어서, 상기한 카이랄도판트가 우수 카이랄도판트인 것을 특징으로 하는 트위스트네마틱 벤드 액정셀 제조방법.
  8. 제5항에 있어서, 상기한 전압(Vc)이 벤드구조가 유지되는 최소 전압인 것을 특징으로 하는 트위스트네마틱 액정셀 제조방법.
    ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
KR1019960012248A 1996-04-22 1996-04-22 액정표시소자 제조방법 KR0183206B1 (ko)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1019960012248A KR0183206B1 (ko) 1996-04-22 1996-04-22 액정표시소자 제조방법

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1019960012248A KR0183206B1 (ko) 1996-04-22 1996-04-22 액정표시소자 제조방법

Publications (2)

Publication Number Publication Date
KR970071080A true KR970071080A (ko) 1997-11-07
KR0183206B1 KR0183206B1 (ko) 1999-05-01

Family

ID=19456351

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019960012248A KR0183206B1 (ko) 1996-04-22 1996-04-22 액정표시소자 제조방법

Country Status (1)

Country Link
KR (1) KR0183206B1 (ko)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6927825B1 (en) * 1999-05-14 2005-08-09 Sanyo Electric Co., Ltd. Liquid crystal display using liquid crystal with bend alignment and driving method thereof

Also Published As

Publication number Publication date
KR0183206B1 (ko) 1999-05-01

Similar Documents

Publication Publication Date Title
KR970007437A (ko) 액정성광학필름 및 액정성광학필름으로 되는 액정표시소자용 보상필름 및 그 보상 필름을 갖춘 액정표시장치
KR20020078897A (ko) 강유전성 액정 표시소자 및 그 제조방법
ATE121204T1 (de) Flüssigkristallvorrichtung.
KR870011494A (ko) 액정 표시 장치
KR880011616A (ko) 액정 디스플레이 장치
KR840002532A (ko) 액정표시장치
KR920003071A (ko) 전기 광학 장치
KR950019852A (ko) 액정 배향 방법, 액정 배향 방법을 이용한 액정 소자 제조 방법, 그리고 액정 배향 방법을 이용하여 제조된 액정 소자
KR890008597A (ko) 액정 표시소자
KR100725218B1 (ko) 듀얼모드 액정표시장치 및 그의 구동방법
KR970071080A (ko) 액정표시소자 제조방법
KR890008594A (ko) 액정표시장치
KR960042183A (ko) 강유전상 및/또는 반강유전상을 가진 액정을 이용한 액정표시소자
KR900008303A (ko) 강 유전성 액정 소자
KR970011957A (ko) 액정 표시 소자
KR940005977A (ko) 강유전성 액정 표시장치
KR980003721A (ko) 액정표시소자
KR970076049A (ko) 배향 안정화된 강유전성 액정표시소자
KR970062766A (ko) 프리틸트방향의 제어가 가능한 액정셀 제조방법
KR970071050A (ko) 액정 디스플레이 액정용 강유전성 액정 도판트
KR900012118A (ko) 액정 표시장치
KR970028731A (ko) 액정 표시 장치
KR970076002A (ko) 단일 배향막을 갖는 광시야각 tft-lcd
KR940003343Y1 (ko) 액정표시장치
KR960018684A (ko) 액정표시장치

Legal Events

Date Code Title Description
A201 Request for examination
E902 Notification of reason for refusal
E701 Decision to grant or registration of patent right
GRNT Written decision to grant
FPAY Annual fee payment

Payment date: 20061002

Year of fee payment: 9

LAPS Lapse due to unpaid annual fee