KR960018659A - 필름형 보상 셀을 구비한 액정디스플레이 및 그의 제조방법 - Google Patents

필름형 보상 셀을 구비한 액정디스플레이 및 그의 제조방법 Download PDF

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KR960018659A
KR960018659A KR1019940030779A KR19940030779A KR960018659A KR 960018659 A KR960018659 A KR 960018659A KR 1019940030779 A KR1019940030779 A KR 1019940030779A KR 19940030779 A KR19940030779 A KR 19940030779A KR 960018659 A KR960018659 A KR 960018659A
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liquid crystal
cell
compensation cell
solid state
alignment
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KR1019940030779A
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KR100326440B1 (ko
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김시환
박의열
강성로
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윤종용
삼성전관 주식회사
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    • 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
    • G02F1/1393—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 birefringence of the liquid crystal being electrically controlled, e.g. ECB-, DAP-, HAN-, PI-LC cells
    • G02F1/1395—Optically compensated birefringence [OCB]- cells or PI- 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
    • G02F1/137—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)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Liquid Crystal (AREA)

Abstract

투명전극과 배향막이 형성된 2매의 그라스기판의 사이 공간에 유전 이방성의 액정을 주입하고, 이를 밀봉재로 실링하여 형성된 구동 셀을 보유하는 LCD에 있어서, STN LCD의 유색 발생을 효과적으로 보상함과 아울러, 디스플레이의 박막화를 달성하기 위하여, 일측면에 배향 홈이 형성된 2매의 수지 필름의 사이에 상온에서 고체상태로 되는 액정을 형성하여 보상 셀을 구성하고, 이 보상 셀을 구동 셀의 일축변에 적층하여 이루어지는 필름형 보상 셀을 구비하는 LCD를 제안함과 아울러; 상기 LCD를 실현하기 위하여, 수지 필름을 핫 플레이트 상에서 전이온도전까지 가열한 후, 그 일측 표면을 러빙하여 배향 홈을 형성하고; 상온에서 고체 상태를 유지하는 액정을 용매로 녹여 상기 배향 홈의 상측에 도포한 다음 용매를 증발시켜 액정층을 형성하며; 상기 액정층의 상측에 배향 홈이 형성된 다른 수지 필름을 배치라여 열 압착한 다음, 이를 다시 가열하여 상기 고체상의 액정을 앨정화하여 액정 분자를 배향 홈에 맞도록 배열한 마음 냉각시켜 보상 셀을 형성하게 되는 필름형 보상 셀을 구비한 LCD의 제조방법을 제안한다.

Description

필름형 보상 셀을 구비한 액정디스플레이 및 그의 제조방법
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
도면은 본 발명에 의한 필름형 보상 셀을 구비한 LCD를 도시한 단면도.

Claims (6)

  1. 투명전극과 배향막이 형성된 2매의 그라스기판의 사이 공간에 유전 이방성의 액정을 주입하고, 이를 밀봉재로 실링하여 형성된 구동 셀을 보유하는 앨정디스플레이에 있어서, 일측 표면에 형성된 배향 홈이 서로 대향 배치된 2매의 수지 필름 사이에, 상온에서 고체 상태로 되는 액정층을 형성하여 보상 셀을 구성하고; 이러한 보상 셀을 구동 셀을 구동 셀의 일측면에 적층하여 이루어짐을 특징으로 하는 필름형 보상 셀을 구비한 액정디스플레이.
  2. 수지 필름을 핫 플레이드상에서 전이 온도전까지 가열한 후, 그 일측 표면을 러빙하여 베향홈을 형성하고; 상온에서 고체 상태를 유지하는 액정을 용매로 녹여 상기 배향 홈의 상측에 도포한 다음 용매를 증발시켜 액정층을 형성하며; 상기 액정층의 상측에 배향 홈이 형성된 다른 수지 필름을 배치하여 열 압착한 다음, 이를 다시 가열하여 상기 고체상의 액정을 액정화하여 액정 분자를 배향 홈에 맞도륵 배열한 다음 냉각시켜 보상 셀을 형성함과 아울러; 상기 보상셀을 구동 셀의 트위스트 각에 대하여, 반대방향으로 배치 및 부착하여 이루어짐을 특징으로 하는 필름형 보사 셀을 구비한 액정디스플레이의 제조방법.
  3. 제2항에 있어서, 수직 필름은 전이 온도가 150℃ 이상으로 되는 열가소성 수지로 됨을 특징으로 하는 필름형 보상 셀을 구비한 액정디스플레이의 제조방법.
  4. 제2항에 있어서, 상온에서 고체 상태를 유지하는 액정은 100℃∼130℃에서 액정화되는 4-Cyclobutylcarbonyloxy-4′-ethoxy-azobenzen을 이루어짐을 특징으로 하는 필름형 보상 셀을 구비한 액정디스플레이의 제조방법.
  5. 제2항에 있어서, 용매는 아세톤을 사용하는 것을 특징으로 하는 필름형 보상 셀을 구비한 액쟁디스플레이의 제조방법.
  6. 제2항 또는 제5항에 있어서, 상온에서 고체 상태를 유지하는 액정과 용매는 1 : 3의 중량비로 혼합됨을 특징으로 하는 필름형 보상 셀을 구비한 액정디스플레이의 제조방법.
    ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
KR1019940030779A 1994-11-22 1994-11-22 필름형보상셀을구비한액정디스플레이및그의제조방법 KR100326440B1 (ko)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100708803B1 (ko) * 2005-05-09 2007-04-18 삼성전자주식회사 액정표시장치의 제조방법 및 제조장치

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* Cited by examiner, † Cited by third party
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JPH01273017A (ja) * 1988-04-26 1989-10-31 Toyota Motor Corp 液晶表示素子

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100708803B1 (ko) * 2005-05-09 2007-04-18 삼성전자주식회사 액정표시장치의 제조방법 및 제조장치

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