KR930022119A - Optical retardation compensation film and its manufacturing method - Google Patents

Optical retardation compensation film and its manufacturing method Download PDF

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Publication number
KR930022119A
KR930022119A KR1019920007398A KR920007398A KR930022119A KR 930022119 A KR930022119 A KR 930022119A KR 1019920007398 A KR1019920007398 A KR 1019920007398A KR 920007398 A KR920007398 A KR 920007398A KR 930022119 A KR930022119 A KR 930022119A
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KR
South Korea
Prior art keywords
liquid crystal
polymer
compensation film
phase difference
layer
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KR1019920007398A
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Korean (ko)
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KR940009144B1 (en
Inventor
이종천
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박경팔
삼성전관 주식회사
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Priority to KR1019920007398A priority Critical patent/KR940009144B1/en
Publication of KR930022119A publication Critical patent/KR930022119A/en
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Publication of KR940009144B1 publication Critical patent/KR940009144B1/en

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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
    • G02F1/133—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
    • G02F1/13363—Birefringent elements, e.g. for optical compensation
    • 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
    • G02F1/1334—Constructional arrangements; Manufacturing methods based on polymer dispersed liquid crystals, e.g. microencapsulated liquid crystals
    • 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
    • G02F1/13378—Surface-induced orientation of the liquid crystal molecules, e.g. by alignment layers by treatment of the surface, e.g. embossing, rubbing or light irradiation
    • G02F1/133784—Surface-induced orientation of the liquid crystal molecules, e.g. by alignment layers by treatment of the surface, e.g. embossing, rubbing or light irradiation by rubbing

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

Abstract

본 발명은 광 위상차 보상 필름에 관한 것으로서 플리머 분산 액정을 이용한 광 위상차 보상 필름에 관한 것이다. 본 발명은 플리머에 액정이 분산되어 있는 산란형 광제어층을 갖추는데, 상기 액정은 어느 일방을 향하여 배향처리되어 있다. 이러한 본 발명은 액정 표시 소자의 광위상차 보상용으로 적용될 수 있는데, 액정표시 소자의 광제어 특성에 부합되는 것을 특성의 액정을 사용할 수 있으므로 효과적인 광 위상차 보정이 가능하다.BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an optical retardation compensation film and to an optical retardation compensation film using a polymer dispersed liquid crystal. The present invention includes a scattering type light control layer in which liquid crystal is dispersed in a polymer, and the liquid crystal is aligned in one direction. The present invention can be applied to the compensation of the optical phase difference of the liquid crystal display device, and since the liquid crystal can be used to meet the light control characteristics of the liquid crystal display device, effective optical phase difference correction is possible.

Description

광 위상차 보상 필름 및 그 제조방법Optical retardation compensation film and its manufacturing method

본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음Since this is an open matter, no full text was included.

제2도는 본 발명에 따른 광위상차 보상 필름의 한 실시예의 개략적 단면도.2 is a schematic cross-sectional view of one embodiment of an optical phase difference compensation film according to the present invention.

제3도는 본 발명의 다른 실시예의 개략적 단면도.3 is a schematic cross-sectional view of another embodiment of the present invention.

Claims (6)

소정 두께의 플리머층과, 상기 플리머층에 연속적으로 또는 방울상으로 분산되어 있는 액정과, 상기 액정이 분산된 플리머층의 양측에 위치되는 고분자 필름층을 구비하되, 상기 액정은 상기 플리머의 평면방향의 어느 일측방으로 배향된 것을 특징으로 하는 광위상차 보상 필름.A polymer layer having a predetermined thickness, a liquid crystal continuously or droplet-shaped dispersed in the polymer layer, and a polymer film layer positioned on both sides of the polymer layer in which the liquid crystal is dispersed, wherein the liquid crystal is a plane of the polymer. Orientation in any one direction of the direction, characterized in that the optical phase difference compensation film. 제1항에 있어서, 상기 액정의 방울은 다수 단독적으로 분산되어 있는 것을 특징으로 하는 광위상차 보상필름.The optical phase compensation film of claim 1, wherein a plurality of droplets of the liquid crystal are dispersed alone. 제1항에 있어서, 상기 액정의 방울은 그 인근의 액정 방울과 연계되어 상기 플리머층내에서 하나의 골격을 형성하는 것을 특징으로 하는 광위상차 보상필름.The optical phase difference compensation film of claim 1, wherein the droplet of the liquid crystal forms a skeleton in the plymer layer in association with a nearby liquid crystal droplet. 제1항에 내지 제3항중의 어느 한 항에 있어서, 상기 고분자 필름층의 각내면은 상기 액정의 배향방향으로 러빙처리된 것을 특징으로 하는 광위상차 보상 필름.The optical phase difference compensation film according to any one of claims 1 to 3, wherein the inner surface of the polymer film layer is rubbed in the alignment direction of the liquid crystal. 열 또는 자외선에 의해 폴리머로 변화되는 모노머에 포지티브형 액정을 혼합하여 액정 분산 플리머의 원료를 제조하는 단계와, 두매의 투명 필름을 소정 간격 유지 시킨채 이들의 사이에 상기 액정분산 플리머의 원료를 공급하는 단계와, 상기 투명 필름의 상하에서 상기 투명 필름의 평면방향으로 평행한 자기장을 형성하면서 상기 소재에 열 또는 자외선을 조사하여 상기 모너머를 폴리머로 변환시킴과 아울러 상기 자기장의 방향을 상기 액정이 배향되도록 하는 단계를 포함하는 것을 특징으로 하는 광위상차 보상 필름의 제조방법.A method of manufacturing a raw material of a liquid crystal dispersion polymer by mixing a positive liquid crystal with a monomer which is changed into a polymer by heat or ultraviolet rays, and the raw material of the liquid crystal dispersion polymer between them while maintaining two transparent films at predetermined intervals. Supplying heat and ultraviolet rays to the material to form a magnetic field parallel to the planar direction of the transparent film above and below the transparent film to convert the monomer into a polymer, and to change the direction of the magnetic field. Method for producing a photo-phase difference compensation film comprising the step of causing the liquid crystal to be aligned. 열 또는 자외선에 의해 폴리머로 변화되는 모노머에 포지티브형 액정을 혼합하여 액정 분산 폴리머의 원료를 제조하는 단계와, 두매의 투명 고분자 필름의 마련하여 그 표면을 소정 방향으로 러빙처리하여 배향막을 형성하는 단계와, 상기 두매의 필름을 그 각 표면의 러빙 처리면이 동방향으로 배열되어 서로 마주보도록 위치시켜 고정하는 단계와, 상기 두매의 필름사이에 액정 분산 폴리머의 원료를 공급하는 단계와, 상기 투명 필름의 상하에서 상기 투명 필름의 평면방향으로 평행한 자기장을 형성하면서 상기 소재에 열 또는 자외선을 조사하여 상기 모노머를 폴리머로 변환시킴과 아울러 상기 자기장의 방향을 상기 액정이 배향되도록 하는 단계를 포함하는 것을 특징으로 하는 광위상차 보상 필름의 제조방법.Preparing a raw material of the liquid crystal dispersion polymer by mixing a positive liquid crystal to a monomer which is changed into a polymer by heat or ultraviolet rays; and preparing two alignment polymer films and rubbing the surface thereof in a predetermined direction to form an alignment layer. And positioning and fixing the two films so that the rubbing treatment surfaces of the respective surfaces thereof are arranged in the same direction so as to face each other, and supplying a raw material of the liquid crystal dispersion polymer between the two films, and the transparent film Irradiating heat or ultraviolet light to the material to form a magnetic field parallel to the planar direction of the transparent film above and below to convert the monomer into a polymer and to direct the liquid crystal to be oriented in the direction of the magnetic field. Method for producing a photo-phase difference compensation film characterized in that. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019920007398A 1992-04-30 1992-04-30 Film compensated light phase KR940009144B1 (en)

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Application Number Priority Date Filing Date Title
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KR940009144B1 KR940009144B1 (en) 1994-10-01

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100757637B1 (en) * 2000-07-21 2007-09-10 코니카 미놀타 홀딩스 가부시키가이샤 Optical Compensation Film, and Polarizing Plate and Liquid Crystal Display Using the Same

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100757637B1 (en) * 2000-07-21 2007-09-10 코니카 미놀타 홀딩스 가부시키가이샤 Optical Compensation Film, and Polarizing Plate and Liquid Crystal Display Using the Same

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KR940009144B1 (en) 1994-10-01

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