KR940015597A - LCD and its manufacturing method - Google Patents

LCD and its manufacturing method Download PDF

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Publication number
KR940015597A
KR940015597A KR1019920023343A KR920023343A KR940015597A KR 940015597 A KR940015597 A KR 940015597A KR 1019920023343 A KR1019920023343 A KR 1019920023343A KR 920023343 A KR920023343 A KR 920023343A KR 940015597 A KR940015597 A KR 940015597A
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South Korea
Prior art keywords
color filter
passivation layer
color
forming
thickness
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KR1019920023343A
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Korean (ko)
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KR960000260B1 (en
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강진규
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박경팔
삼성전관 주식회사
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    • GPHYSICS
    • G02OPTICS
    • G02FOPTICAL 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
    • G02F1/00Devices 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
    • G02F1/01Devices 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 
    • G02F1/13Devices 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
    • G02F1/133Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333Constructional arrangements; Manufacturing methods
    • G02F1/1335Structural association of cells with optical devices, e.g. polarisers or reflectors

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

Abstract

본 발명은 액정표시장치 및 그 제조방법에 관한 것으로서 최적화된 분광특성을 갖는 즉, 단차를 갖는 막두께로 형성된 제1색 내지 제3색 칼라필터 패턴 상에 고감도이며 현상(DEVELOPING)이 용이하고 벌착성이 우수한 젤라틴(GELATIN)계, 폴리비닐(POLY VINYL)계의 네가티브 포토레지스트를 사용한 제1및 제2보호막을 증착시키므로써, 표면 평활화를 이룰수 있게 되어 보다 선명하고 표시얼룩이 없는 칼라 액정표시장치를 실현할수 있다.BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a liquid crystal display device and a method of manufacturing the same. The present invention relates to a liquid crystal display device and a method of manufacturing the same. By depositing the first and second protective films using a gelatine-based and polyvinyl-based negative photoresist with excellent adhesion, the surface smoothness can be achieved, resulting in a color liquid crystal display device that is clearer and free of display stains. It can be realized.

Description

액정표시장치 및 그 제조방법LCD 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 액정표시소자를 나타내는 단면도이다.2 is a cross-sectional view showing a liquid crystal display device according to the present invention.

Claims (7)

유기기판상에 박막트랜지스터의 열화를 방지하기 위하여 소정간격으로 형성된 다수의 블랙 매트릭스와, 상기 각 블랙 매트릭스 사이의 공간에 최적화된 분광특성을 갖도록 단차를 가지고 각각 분리되어 순차적으로 형성되는 제1색 내지 제3색 필터층과, 상기 제1색 내지 제3색 필터층 가장 단차가 높은 제1칼라필터를 기준으로 상기 블랙 매트릭스 사이와 최적화된 두께로 설계된 제2색 및 제3색 패턴의 상부에 소정의 두께로 형성된 제1보호막과, 한 평면상에 형성된 상기 제1색 필터층과 상기 제1보호막의 상부에 증착된 제2보호막가, 상기 제2보호막중 제1색 내지 제3색 필터패턴이 형성된 부분의 상부에 증착된 ITO투명전극과, 상기 보호막 및 ITO가 증착된 패턴상에 형성된 배향막으로 구성됨을 특징으로 하는 액정 표시장치.In order to prevent deterioration of the thin film transistor on the organic substrate, a plurality of black matrices formed at predetermined intervals, and the first colors to be formed separately and sequentially formed with steps to have spectral characteristics optimized for the spaces between the black matrices. A predetermined thickness between the third color filter layer and the second color and third color patterns designed with an optimized thickness between the black matrix based on the first color filter having the highest step between the first and third color filter layers. A first passivation layer formed of the first passivation layer, a first passivation layer formed on one plane, and a second passivation layer deposited on the first passivation layer; And an alignment film formed on the protective film and the pattern on which the ITO is deposited. 제1항에 있어서, 상기 제1및 제2보호막은 젤라틴계, 또는 폴리비닐계 네가티브 포토레지스트로 구성됨을 특징으로 하는 액정 표시장치.The liquid crystal display device of claim 1, wherein the first and second protective layers comprise a gelatin-based or polyvinyl-based negative photoresist. 제1항에 있어서, 상기 제1및 제2보호막은 상기 블랙 매트릭스의 상부에 단차를 가지고 각각 분리되게 설계된 제1색 내지 제3색 패턴의 상부에 형성되어 각 칼라필터의 단차를 줄이도록 한 것을 특징으로 하는 액정 표시장치.The method of claim 1, wherein the first and second passivation layers are formed on top of the first to third color patterns designed to be separated from each other with a step on top of the black matrix to reduce the step of each color filter. Characterized in liquid crystal display device. 투명 유리기판 상에 박막 트랜지스터의 열화를 방지하기 위하여 소정간격으로 소정패턴의 블랙 매트릭스를 형성하는 단계, 상기 블랙 매트릭스 사이에 최적화된 분광특성을 갖는 막두께로 각각 분리되게 제1색, 제2색 및 제3색 필터층을 순차로 형성하는 단계, 최적 두께로 설계된 상기 제1색 내지 제3색 필터층중 가장 단차가 높은 칼라 필터 부분에 칼라필터 형성용 마스크를 사용하여 상기 블랙 매트릭스 사이와, 제2색 및 제3색 패턴 상부에 소정의 두께로 제1보호막을 형성하는 단계; 상기 제1색 필터층과 제1보호막의 상부에 다시 제2보호막을 도포하는 단계; 상기 제2보호막중 제1색 내지 제3색 패턴이 형성된 부분의 상부에 IOT구동전극을 증착하는 단계 및 상기 제2보호막과 IOT가 증착된 패턴상에 배향막을 형성하는 단계로 구성됨을 특징으로 하는 액정표시장치의 제조방법.Forming a black matrix of a predetermined pattern at predetermined intervals to prevent deterioration of the thin film transistor on the transparent glass substrate, and separating the first and second colors into separate film thicknesses having optimized spectral characteristics therebetween. And sequentially forming a third color filter layer, using a color filter forming mask on a portion of the color filter having the highest step among the first to third color filter layers designed to an optimal thickness, between the black matrix, and a second layer. Forming a first passivation layer on the color and the third color pattern with a predetermined thickness; Applying a second passivation layer on top of the first color filter layer and the first passivation layer; And depositing an IOT driving electrode on an upper portion of the first to third color patterns of the second passivation layer and forming an alignment layer on the pattern on which the second passivation layer and the IOT are deposited. Method of manufacturing a liquid crystal display device. 제4항에 있어서, 상기 제1내지 제3색 필터층은 유리기판 상에 스피터링법. E-빔법 또는 이베퍼레이터링법을 이용하여 광차폐용 금속을 증착한뒤 사진 식각법에 의해 패턴을 형성하여 블랙 매트릭스를 형성하는 단계; 상기 블랙 매트릭스가 형성된 유리기판 상에 착색 포토레지스트를 코딩한 후 건조하는 단계; 상기 포토레지스트가 노광시 산화되는 것을 막아주기 위해서 상기 포토레지스트 위에 상호차단막을 코팅한 수 건조하는 단계; 및 노광, 현상에 의하여 소정간격으로 상기 블랙 매트릭스 사이에 칼라필터, R,G,B가 최적 분광특성을 가질 수 있는 막두께를 설계하여 제1내지 제3색 필터패턴을 최적두께로 형성한뒤, 그 각각에 대해 하드베이크를 실시하는 단계로 형성됨을 특징으로 하는 액정 표시장치의 제조방법.The method of claim 4, wherein the first to third color filter layers are sputtered on a glass substrate. Depositing a metal for light shielding using an E-beam method or an evaporator method and then forming a pattern by photolithography to form a black matrix; Coding a colored photoresist on the glass substrate on which the black matrix is formed and then drying it; Water-drying a mutual barrier film over the photoresist to prevent the photoresist from being oxidized upon exposure; And by designing a film thickness in which color filters, R, G, and B have optimal spectral characteristics between the black matrices at predetermined intervals by exposure and development, and forming first to third color filter patterns to an optimum thickness. And hard-baking the respective liquid crystals. 제4항 및 제5항에 있어서, 상기 제1색 내지 제3색 필터패턴은 1.8-2.4μm, μmm, 1.5-1.8μm의 두께로 형성됨을 특징으로 하는 액정 표시장치의 제조방법.The method of claim 4, wherein the first to third color filter patterns are formed in a thickness of 1.8-2.4 μm, μmm, and 1.5-1.8 μm. 제4항에 있어서, 상기 제1및 제2보호막은 물에 현상이 용이한 젤라틴계 네가티브 포토레지스트에 폴리비닐렌 및 폴리아믹 용액을 미량 혼합, 분산시켜 내열성을 향상시킨 재료로 형성됨을 특징으로 하는 액정 표시장치의 제조방법.The method of claim 4, wherein the first and the second protective film is formed of a material that improves heat resistance by mixing and dispersing a small amount of polyvinylene and polyamic solution in a gelatin negative photoresist that is easily developed in water. Method of manufacturing a liquid crystal display device. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019920023343A 1992-12-04 1992-12-04 Lcd device and its manufacturing method KR960000260B1 (en)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100496556B1 (en) * 2000-10-31 2005-06-22 치 메이 옵토일렉트로닉스 코포레이션 Active matrix liquid crystal display and method of making the same
KR100490052B1 (en) * 1997-07-15 2005-09-02 삼성전자주식회사 Liquid Crystal Display with Minimal Electromagnetic Interference
KR100700490B1 (en) * 2005-04-27 2007-03-28 삼성에스디아이 주식회사 LCD and fabricating method of the same

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100719753B1 (en) * 2000-09-30 2007-05-17 엘지.필립스 엘시디 주식회사 Liquid crystal display and manufacturing method thereof

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100490052B1 (en) * 1997-07-15 2005-09-02 삼성전자주식회사 Liquid Crystal Display with Minimal Electromagnetic Interference
KR100496556B1 (en) * 2000-10-31 2005-06-22 치 메이 옵토일렉트로닉스 코포레이션 Active matrix liquid crystal display and method of making the same
KR100700490B1 (en) * 2005-04-27 2007-03-28 삼성에스디아이 주식회사 LCD and fabricating method of the same

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KR960000260B1 (en) 1996-01-04

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