KR940007588A - LCD and its manufacturing method - Google Patents

LCD and its manufacturing method Download PDF

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Publication number
KR940007588A
KR940007588A KR1019920016300A KR920016300A KR940007588A KR 940007588 A KR940007588 A KR 940007588A KR 1019920016300 A KR1019920016300 A KR 1019920016300A KR 920016300 A KR920016300 A KR 920016300A KR 940007588 A KR940007588 A KR 940007588A
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South Korea
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gate
transparent pixel
liquid crystal
electrode
display device
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KR1019920016300A
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Korean (ko)
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KR100265751B1 (en
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김상수
장인식
김동규
송준호
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김광호
삼성전자 주식회사
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Priority to KR1019920016300A priority Critical patent/KR100265751B1/en
Priority to NL9300895A priority patent/NL194848C/en
Priority to DE4318028A priority patent/DE4318028B4/en
Priority to JP12928293A priority patent/JP2537329B2/en
Priority to US08/070,717 priority patent/US5517341A/en
Publication of KR940007588A publication Critical patent/KR940007588A/en
Priority to US08/602,104 priority patent/US5696566A/en
Priority to US08/606,345 priority patent/US5686977A/en
Priority to US08/906,961 priority patent/US5847780A/en
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Publication of KR100265751B1 publication Critical patent/KR100265751B1/en

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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
    • G02F1/136Liquid crystal cells structurally associated with a semi-conducting layer or substrate, e.g. cells forming part of an integrated circuit

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  • Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • Liquid Crystal (AREA)
  • Engineering & Computer Science (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Mathematical Physics (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)

Abstract

본 발명은 액정표시장치 및 그 제조방법에 관한 것으로, 일정간격으로 배열되고 수직방향으로 연장된 복수의 데이타배선들과, 일정간격으로 배열되고 상기 복수의 데이타배선들과 교차되도록 수평방향으로 연장된 복수의 게이트배선들과, 한쌍의 데이타배선들과 한쌍의 게이트배선들로 둘러싸인 각 영역들내에 한정되어 각각 형성된 복수의 투명화소전극들과, 상기 각 영역들의 한 구석에 형성되어 각 데이타배선으로부터 각 투명화소전극에 표시신호를 전달하기 위한 복수의 스위칭소자들과, 상기 각 투명화소전극의 일부분과 절연층을 개재하여 대향되어 스토리지 커패시터를 구성하기 위한 복수의 커패시터전극들로 이루어진 배면유리기판과 차광막, 칼라필터 및 보호막으로 이루어진 전면유리기판을 구비한 액정표시장치에 있어서, 상기 배면유리기판의 각 커패시터전극들은 상기 각 투명화소전극상의 한정된 화소표시영역 둘레의 투명화소전극부분과 대향되도록 형성되고, 상기 각 게이트 배선은 상기 각 스위칭소자 영역의 하부에 형성되어 상기 커패시터전극과 상기 스위칭소자에 의해 상호 연결되는 제1개게이트배선과 상기 제1게이트배선과 평행하게 형성되며 상기 제1게이트배선과 연결되는 제2게이트배선의 이중구조로 형성된 것을 특징으로 하는 액정표시장치를 제공한다. 따라서 본 발명은 종래 액정표시장치보다 향상된 개구율과 명암비를 얻을수 있으며, 액정표시소자 제조시의 수율향상을 도모할 수 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, wherein the plurality of data wires are arranged at regular intervals and extend in the vertical direction, and are horizontally arranged to intersect the plurality of data wires. A plurality of transparent pixel electrodes defined in each region surrounded by a plurality of gate wirings, a pair of data wirings and a pair of gate wirings, and a corner formed in each corner of each of the data wirings. A back glass substrate and a light shielding film comprising a plurality of switching elements for transmitting a display signal to the transparent pixel electrode, and a plurality of capacitor electrodes for forming a storage capacitor by facing a portion of each transparent pixel electrode through an insulating layer. A liquid crystal display device having a front glass substrate comprising a color filter and a protective film, wherein the rear surface Each capacitor electrode of the substrate is formed to face a transparent pixel electrode portion around a limited pixel display area on each transparent pixel electrode, and each gate line is formed under the switching element area so that the capacitor electrode and the switching are formed. The present invention provides a liquid crystal display device having a double structure of a first gate wiring connected to each other by a device and a second gate wiring connected to the first gate wiring and parallel to the first gate wiring. Therefore, the present invention can obtain an improved aperture ratio and contrast ratio than the conventional liquid crystal display device, and can improve the yield in manufacturing the liquid crystal display device.

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.

제5도는 본 발명에 따른 부가용량방식의 액정표시장치의 일예를 나타낸 평면도,5 is a plan view showing an example of an additional capacitance type liquid crystal display device according to the present invention;

제6도는 본 발명에 따른 부가용량방식의 액정표시장치의 일예를 나타낸 수직구조도,6 is a vertical structure diagram showing an example of an additional capacitance type liquid crystal display device according to the present invention;

제7도는 본 발명에 따른 부가용량방식의 액정표시장치의 이중화게이트배선의 동작원리를 나타낸 도면.7 is a view showing the operation principle of the redundant gate wiring of the liquid crystal display device of the additional capacitance method according to the present invention.

Claims (8)

일정간격으로 배열되고 수직방향으로 연장된 복수의 데이타배선들과, 일정간격으로 배열되고 상기 복수의 데이타배선들과 교차되도록 수평방향으로 연장된 복수의 게이트배선들과, 한쌍의 데이타배선들과 한쌍의 게이트배선들로 둘러싸인 각 영역들내에 한정되어 각각 형성된 복수의 투명화소전극들과, 상기 각 영역들의 한 구석에 형성되어 각 데이타배선으로부터 각 투명화소전극에 표시신호를 전달하기 위한 복수의 스위칭소자들과, 상기 각 투명화소전극의 일부분과 절연층을 개재하여 대향되어 스토리지 커패시터를 구성하기 위한 복수의 커패시터전극들로 이루어진 배면유리기판과 차광막, 칼라필터 및 보호막으로 이루어진 전면유리기판을 구비한 액정표시장치에 있어서, 상기 배면유리기판의 각 커패시터전극들은 상기 각 투명화소전극상의 한정된 화소표시영역 둘레의 투명화소전극부분과 대향하도록 형성되고, 상기 각 게이트 배선은 상기 각 스위칭소자영역의 하부에 형성되어 투명화소전극 부분과 대향 되도록 형성되고, 상기 각 게이트 제1개게이트배선과 상기 제1게이트배선과 평행하게 형성되며 상기 제1게이트배선과 연결되는 제2게이트배선의 이중구조로 형성된 것을 특징으로 하는 액정표시장치A plurality of data lines arranged at regular intervals and extending in the vertical direction, a plurality of gate lines arranged at regular intervals and extending in the horizontal direction so as to intersect the plurality of data lines, a pair of data lines and a pair A plurality of transparent pixel electrodes formed in each of the regions surrounded by gate wirings of the plurality of transparent pixel electrodes, and a plurality of switching elements formed in one corner of each of the regions for transferring display signals from each data wiring line to each transparent pixel electrode. And a back glass substrate made up of a plurality of capacitor electrodes for forming a storage capacitor facing each other through a portion of the transparent pixel electrode and an insulating layer, and a liquid crystal having a front glass substrate made of a light shielding film, a color filter, and a protective film. In the display device, each capacitor electrode of the back glass substrate is formed on each of the transparent pixel electrodes. Formed to face the transparent pixel electrode portion around the limited pixel display region of the gate pixel, wherein each gate line is formed under the switching element region so as to face the transparent pixel electrode portion, and the gates of the first gate line And a second structure formed in parallel with the first gate line and connected to the first gate line. 제1항에 있어서, 상기 스위칭자는 박막트랜지스터(TFT)로 MTM(Metal Insulator Metal)으로 이루어진 일군에서 선택된 어느 하나로 구성되는 것을 특징으로 하는 액정표시장치.The liquid crystal display device of claim 1, wherein the switch is a thin film transistor (TFT) and is formed of any one selected from a group consisting of metal insulator metal (MTM). 제1항에 있어서, 상기 게이트배선과 동시에 형성되는 스토리지 커패시터 전극을 고리모양으로 하여 투명화소전극의 주변부에서 설치하여 전면유리기판의 차광막하부에 위치하는 구조를 갖는 것을 특징으로 하는 액정표시장치.2. The liquid crystal display device according to claim 1, wherein the storage capacitor electrode formed at the same time as the gate wiring is formed in a ring shape and disposed at the periphery of the transparent pixel electrode and positioned under the light shielding film of the front glass substrate. 제1항에 있어서, 상기 제1 및 제2게이트배선으로 이중화된 게이트배선의 전체 선폭을 단일배선선폭과 같게하여 게이트배선과 데이타배선의 교차부 면적을 단일배선시와 동일하게 구성하는 것을 특징으로 하는 액정표시장치.The method of claim 1, wherein the area of the intersection portion of the gate line and the data line is configured to be the same as that of the single line by making the entire line width of the gate line doubled by the first and second gate lines equal to the single line width. Liquid crystal display device. 투명기판위에 전표면상에 소정두께의 금속층을 형성하는 공정; 상기 금속층을 패터닝하여 게이트배선 및 스토리지 커패시터전극을 동시에 형성하는 고정; 상기게이트배선 및 스토리지 커패시터전극이 모두 덮히도록 절연층을 형성하는 공정; 상기 스토리지 커패시터전극 상부의 절연층 위에 상기 스토리지 커패시터전극의 일부분과 대향하도록 투명화소전극을 형성하는 공정; 그리고, 상기 투명화소전극 형성후 통상의 알려진 방법으로 후속공정을 수행하여 상기 액정표시장치를 형성하는 공정을 구비하는 것을 특징으로 하는 액정표시장치의 제조방법.Forming a metal layer of a predetermined thickness on the entire surface on the transparent substrate; Patterning the metal layer to simultaneously form a gate wiring and a storage capacitor electrode; Forming an insulating layer to cover both the gate wiring and the storage capacitor electrode; Forming a transparent pixel electrode on an insulating layer on the storage capacitor electrode so as to face a portion of the storage capacitor electrode; And forming a liquid crystal display by performing a subsequent process by a conventionally known method after forming the transparent pixel electrode. 제5항에 있어서, 상기 금속층은 알루미늄, 혹은 크롬, 혹은 몰리브데늄, 혹은 탄탈륨, 혹은 이들의 합금으로 이루어진 일군에서 선택된 어느 하나의 금속으로 형성되는 불투명금속인 것을 특징으로 하는 액정표시장치의 제조방법.The liquid crystal display device of claim 5, wherein the metal layer is an opaque metal formed of any one metal selected from the group consisting of aluminum, chromium, molybdenum, tantalum, or an alloy thereof. Way. 제5항에 있어서, 상기 후속공정은 상기 게이트배선을 게이트전극으로 하는 박막트랜지스터의 소오스전극 및 드레인전극을 형성하는 공정인 것을 특징으로 하는 액정표시장치의 제조방법.6. The method of claim 5, wherein the subsequent step is a step of forming a source electrode and a drain electrode of the thin film transistor having the gate wiring as the gate electrode. 제7항에 있어서, 상기 화소전극과 연결되는 상기 소오스전극의 패턴은 이들 두 전극이 연결되는 부분의 상기 스토리지 커패시터전극패턴을 오버랩하여 형성되는 것을 특징으로 하는 액정표시장치의 제조방법.The method of claim 7, wherein the pattern of the source electrode connected to the pixel electrode is formed by overlapping the storage capacitor electrode pattern of a portion where the two electrodes are connected. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019920016300A 1992-06-01 1992-09-07 Lcd and its fabrication method KR100265751B1 (en)

Priority Applications (8)

Application Number Priority Date Filing Date Title
KR1019920016300A KR100265751B1 (en) 1992-09-07 1992-09-07 Lcd and its fabrication method
NL9300895A NL194848C (en) 1992-06-01 1993-05-26 Liquid crystal indicator device.
DE4318028A DE4318028B4 (en) 1992-06-01 1993-05-29 Liquid crystal display device and method for the production thereof
JP12928293A JP2537329B2 (en) 1992-06-01 1993-05-31 Liquid crystal display device and manufacturing method thereof
US08/070,717 US5517341A (en) 1992-06-01 1993-06-01 Liquid crystal display with TFT and capacitor electrodes with redundant connection
US08/602,104 US5696566A (en) 1992-06-01 1996-02-23 Liquid crystal display and a manufacturing method thereof
US08/606,345 US5686977A (en) 1992-06-01 1996-02-23 Liquid crystal display and a manufacturing method thereof
US08/906,961 US5847780A (en) 1992-06-01 1997-08-06 Liquid crystal display and a manufacturing method thereof

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1019920016300A KR100265751B1 (en) 1992-09-07 1992-09-07 Lcd and its fabrication method

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KR940007588A true KR940007588A (en) 1994-04-27
KR100265751B1 KR100265751B1 (en) 2000-09-15

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100313950B1 (en) * 1998-11-19 2002-09-17 엘지.필립스 엘시디 주식회사 Multi-domain liquid crystal display device
KR100488933B1 (en) * 1997-12-22 2005-08-31 비오이 하이디스 테크놀로지 주식회사 LCD and its manufacturing method

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6654090B1 (en) 1998-09-18 2003-11-25 Lg. Philips Lcd Co., Ltd. Multi-domain liquid crystal display device and method of manufacturing thereof

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0385529A (en) * 1989-08-30 1991-04-10 Hitachi Ltd Thin-film semiconductor display device
JP2870043B2 (en) * 1989-09-14 1999-03-10 富士通株式会社 Thin film transistor matrix and method of manufacturing the same
JP2772405B2 (en) * 1990-11-22 1998-07-02 株式会社日立製作所 Liquid crystal display

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100488933B1 (en) * 1997-12-22 2005-08-31 비오이 하이디스 테크놀로지 주식회사 LCD and its manufacturing method
KR100313950B1 (en) * 1998-11-19 2002-09-17 엘지.필립스 엘시디 주식회사 Multi-domain liquid crystal display device

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