KR950001353A - Color filter of liquid crystal display element and its manufacturing method - Google Patents

Color filter of liquid crystal display element and its manufacturing method Download PDF

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Publication number
KR950001353A
KR950001353A KR1019930009843A KR930009843A KR950001353A KR 950001353 A KR950001353 A KR 950001353A KR 1019930009843 A KR1019930009843 A KR 1019930009843A KR 930009843 A KR930009843 A KR 930009843A KR 950001353 A KR950001353 A KR 950001353A
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KR
South Korea
Prior art keywords
color filter
black
metal
black pigment
liquid crystal
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Application number
KR1019930009843A
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Korean (ko)
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KR100290758B1 (en
Inventor
강경철
조규철
Original Assignee
이헌조
주식회사 금성사
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Priority to KR1019930009843A priority Critical patent/KR100290758B1/en
Publication of KR950001353A publication Critical patent/KR950001353A/en
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Publication of KR100290758B1 publication Critical patent/KR100290758B1/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
    • G02F1/133509—Filters, e.g. light shielding masks
    • G02F1/133514—Colour filters
    • G02F1/133516—Methods for their manufacture, e.g. printing, electro-deposition or photolithography
    • 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
    • G02F1/133509—Filters, e.g. light shielding masks
    • G02F1/133512—Light shielding layers, e.g. black matrix

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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)
  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Devices For Indicating Variable Information By Combining Individual Elements (AREA)
  • Liquid Crystal (AREA)
  • Optical Filters (AREA)

Abstract

본 발명은 크롬 금속막을 사용하는 경우의 반사율이 높은 것과, 공통 전극인 ITO 투명 도전막 형성시의 칼라 필터 단차로 인해 단선되는 문제 및 ITO 투명 도전막을 크롬 금속막과 접촉시킴으로서 ITO 투명 도전막의 면저항을 감소시키기 위한 것으로, 투명 유리 기판 위에 화소간의 광을 차단하는 블랙 매트리스와, 색재층 및 투명 도전 막으로 구성된 칼라 필터에 있어서, 상기 블랙 매트리스가 블랙 안료와 금속의 이중구조로 구성함을 특징으로 하는 액정 표시 소자의 칼라 필터 및 그 제조 방법이다.The present invention has a high reflectance in the case of using a chromium metal film, a problem of disconnection due to a color filter step when forming an ITO transparent conductive film, which is a common electrode, and a surface resistance of the ITO transparent conductive film by bringing the ITO transparent conductive film into contact with the chrome metal film. In order to reduce, a black mattress for blocking light between pixels on a transparent glass substrate, and a color filter composed of a color material layer and a transparent conductive film, characterized in that the black mattress is composed of a dual structure of black pigment and metal It is a color filter of a liquid crystal display element, and its manufacturing method.

Description

액정 표시 소자의 칼라 필터 및 그 제조 방법Color filter of liquid crystal display element and its manufacturing method

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

제 1 도는 본 발명 액정 표시 소자의 칼라 필터의 구성도, 제 2 도는 본 발명 액정 표시 소자의 칼라 필터 제조 방법에 따른 순차 공정도.1 is a configuration diagram of a color filter of a liquid crystal display device of the present invention, and FIG.

Claims (5)

투명 유리 기판 위에 화소간의 광을 차단하는 블랙 매트리스와, 색재층 및 투명 도전막으로 구성된 칼라 필터에 있어서, 상기 블랙 매트리스가 블랙 안료와 금속의 이중 구조로 구성함을 특징으로 하는 액정 표시 소자의 칼라 피터.A color filter comprising a black mattress that blocks light between pixels on a transparent glass substrate, and a color material layer and a transparent conductive film, wherein the black mattress has a double structure of black pigment and a metal. Peter. 제 1 항에 있어서, 블랙 안료와 금속의 두께가 색재층의 두께와 동일한 두께로 형성함을 특징으로 하는 액정 표시 소자의 칼라 필터.The color filter of a liquid crystal display device according to claim 1, wherein the thickness of the black pigment and the metal is formed to the same thickness as that of the color material layer. 제 1 항에 있어서, 블랙 안료 상부에 금속을 형성함을 특징으로 하는 액정 표시 소자의 칼라 필터.The color filter of claim 1, wherein a metal is formed on the black pigment. 제 3 항에 있어서, 금속이 블랙 안료보다 적게 형성함을 특징으로 하는 액정 표시 소자의 칼라 필터.4. The color filter of a liquid crystal display device according to claim 3, wherein the metal is formed less than the black pigment. 투명 유리 기판 위에 블랙 안료를 스핀 코팅한 후 포스트 베이킹하는 단계와, 소정의 포토마스크를 사용하여 자외선에 노광한 후 현상 공정을 거쳐 블랙 안료인 블랙 매트릭스를 칼라 필터층 두께보다 얇게 형성하는 단계와, 상기 블랙 매트릭스 위에 진공 증착 및 스퍼터리 방식으로 금속을 데포지션한 후 사진 식각 기술을 사용하여 금속을 블랙 안료 패턴보다 작게 하고 두께는 블랙 안료와 칼라 필터층의 두께 차이만큼 데포지션하여 기판 표면에 평탄화 시키는 단계와, 칼라 필터층을 형성하기 위해 색재 안료를 스핀 코팅하고 자외선 노광 및 현상 공정을 3회 반복하여 칼라 필터를 형성하는 단계와, 블랙 매트릭스와 칼라 필터가 형성된 기판 위에 공통 전극으로서 투명 도전막을 스퍼터링 방법으로 형성하는 단계로 구성함을 특징으로 하는 액정 표시 소자의 칼라 필터 제조 방법.Spin-coating a black pigment on a transparent glass substrate, and then post-baking, exposing to a UV light using a predetermined photomask, and then developing a black matrix, which is a black pigment, to be thinner than the thickness of the color filter layer through the development process; Depositing the metal on the black matrix by vacuum deposition and sputtering, and then using a photolithography technique to make the metal smaller than the black pigment pattern and depositing the thickness by the difference between the thickness of the black pigment and the color filter layer to planarize the surface of the substrate. And forming a color filter by spin coating a colorant pigment to form a color filter layer and repeating the ultraviolet exposure and developing processes three times, and sputtering a transparent conductive film as a common electrode on the substrate on which the black matrix and the color filter are formed. Liquid crystal table characterized by comprising the step of forming Method of manufacturing a color filter of the test device. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019930009843A 1993-06-02 1993-06-02 Color filter of liquid crystal display and producing method thereof KR100290758B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1019930009843A KR100290758B1 (en) 1993-06-02 1993-06-02 Color filter of liquid crystal display and producing method thereof

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Application Number Priority Date Filing Date Title
KR1019930009843A KR100290758B1 (en) 1993-06-02 1993-06-02 Color filter of liquid crystal display and producing method thereof

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KR950001353A true KR950001353A (en) 1995-01-03
KR100290758B1 KR100290758B1 (en) 2001-06-01

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100254870B1 (en) * 1997-07-14 2000-05-01 구본준 Color filter structure and its manufacturing method of lcd device
KR20040031820A (en) * 2002-10-04 2004-04-14 허인 Ask wireless calling bell using for saw resonator
KR100846959B1 (en) * 2007-05-11 2008-07-17 삼성에스디아이 주식회사 Color filter, manufacturing methode thereof and liquide crystal display therewith

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0820635B2 (en) * 1991-02-13 1996-03-04 スタンレー電気株式会社 Color filter device

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100254870B1 (en) * 1997-07-14 2000-05-01 구본준 Color filter structure and its manufacturing method of lcd device
KR20040031820A (en) * 2002-10-04 2004-04-14 허인 Ask wireless calling bell using for saw resonator
KR100846959B1 (en) * 2007-05-11 2008-07-17 삼성에스디아이 주식회사 Color filter, manufacturing methode thereof and liquide crystal display therewith

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KR100290758B1 (en) 2001-06-01

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