KR0151269B1 - Lcd device - Google Patents

Lcd device

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Publication number
KR0151269B1
KR0151269B1 KR1019950003369A KR19950003369A KR0151269B1 KR 0151269 B1 KR0151269 B1 KR 0151269B1 KR 1019950003369 A KR1019950003369 A KR 1019950003369A KR 19950003369 A KR19950003369 A KR 19950003369A KR 0151269 B1 KR0151269 B1 KR 0151269B1
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KR
South Korea
Prior art keywords
line
repair
liquid crystal
substrate
crystal display
Prior art date
Application number
KR1019950003369A
Other languages
Korean (ko)
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KR960032046A (en
Inventor
이정선
Original Assignee
구자홍
엘지전자주식회사
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Application filed by 구자홍, 엘지전자주식회사 filed Critical 구자홍
Priority to KR1019950003369A priority Critical patent/KR0151269B1/en
Publication of KR960032046A publication Critical patent/KR960032046A/en
Application granted granted Critical
Publication of KR0151269B1 publication Critical patent/KR0151269B1/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
    • G02F1/136—Liquid crystal cells structurally associated with a semi-conducting layer or substrate, e.g. cells forming part of an integrated circuit
    • G02F1/1362—Active matrix addressed cells
    • G02F1/136259—Repairing; Defects
    • 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
    • G02F1/136—Liquid crystal cells structurally associated with a semi-conducting layer or substrate, e.g. cells forming part of an integrated circuit
    • G02F1/1362—Active matrix addressed cells
    • G02F1/136286—Wiring, e.g. gate line, drain line
    • 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
    • G02F1/136—Liquid crystal cells structurally associated with a semi-conducting layer or substrate, e.g. cells forming part of an integrated circuit
    • G02F1/1362—Active matrix addressed cells
    • G02F1/136259—Repairing; Defects
    • G02F1/136263—Line defects
    • 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
    • G02F1/136—Liquid crystal cells structurally associated with a semi-conducting layer or substrate, e.g. cells forming part of an integrated circuit
    • G02F1/1362—Active matrix addressed cells
    • G02F1/136259—Repairing; Defects
    • G02F1/136272—Auxiliary lines

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  • Physics & Mathematics (AREA)
  • Nonlinear Science (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)
  • Liquid Crystal (AREA)

Abstract

본 발명은 액정표시장치에 관한 것으로, 게이트라인과 리페어라인이 겹쳐지지 않도록 한 액정표시장치의 리페어구조에 관한 것이다.BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a liquid crystal display device, and more particularly, to a repair structure of a liquid crystal display device in which a gate line and a repair line do not overlap.

본 발명은 게이트라인과, 상기 게이트라인에 교차하는 방향으로 형성된 데이터라인, 그리고 박막트랜지스터 및 화소전극을 갖는 제1 기판과, 블랙매트릭스층, 칼라필터층, 그리고 공통전극을 갖는 제2 기판을 구비한 액정표시 장치에 있어서,The present invention includes a gate line, a data line formed in a direction crossing the gate line, a first substrate having a thin film transistor and a pixel electrode, and a second substrate having a black matrix layer, a color filter layer, and a common electrode. In the liquid crystal display device,

상기 제1 기판의 상단과 하단에 형성된 제1, 제2 리페어라인과,First and second repair lines formed on an upper end and a lower end of the first substrate,

상기 제1 기판의 일측에 형성되고, 상기 제1 리페어라인과 제2 리페어라인을 서로 연결시키는 제3 리페어라인이 형성된 구동회로부로 구성된 것을 특징으로 하는 액정표시장치를 제공한다.A liquid crystal display device comprising: a driving circuit unit formed on one side of the first substrate and having a third repair line connecting the first repair line and the second repair line to each other.

Description

액정표시장치LCD Display

제1도는 종래의 액정표시장치의 리페어구조를 도시한 평면도.1 is a plan view showing a repair structure of a conventional liquid crystal display device.

제2도는 본 발명의 액정표시장치의 리페어구조를 도시한 평면도.2 is a plan view showing a repair structure of the liquid crystal display device of the present invention.

제3도는 본 발명의 액정표시장치의 리페어구조를 도시한 수직구조도.3 is a vertical structure diagram showing a repair structure of the liquid crystal display device of the present invention.

* 도면의 주요부분에 대한 부호의 설명* Explanation of symbols for main parts of the drawings

1 : 게이트라인 2 : 데이타라인1: gate line 2: data line

21 : PCB 22, 23 : TCP21: PCB 22, 23: TCP

24, 25 : 제1리페어라인 26, 27 : 제2리페어라인24, 25: first repair line 26, 27: second repair line

28, 29 : 외부 리페어라인 30 : 더미라인28, 29: external repair line 30: dummy line

본 발명은 액정표시장치(liquid crystal display)에 관한 것으로, 특히 액정 표시장치의 리페어(repair)구조에 관한 것이다.BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to liquid crystal displays, and more particularly to a repair structure of liquid crystal displays.

제1도는 종래의 액정표시장치의 리페어구조를 도시한 것이다.1 shows a repair structure of a conventional liquid crystal display.

제1도에 도시된 바와 같이 매트릭스형태의 액정표시장치는 복수개의 게이트라인(1)과 이 게이트라인(1)과 직교하는 복수개의 데이타라인(2)을 갖추고 있으며, 상기 게이트라인(1)과 데이타라인(2)이 교차하는 지점에 액정셀(도시되지 않음)이 형성되어 픽셀부를 구성하고 있다.As shown in FIG. 1, a matrix type liquid crystal display includes a plurality of gate lines 1 and a plurality of data lines 2 orthogonal to the gate lines 1. Liquid crystal cells (not shown) are formed at points where the data lines 2 intersect to form pixel units.

상기와 같이 구성된 액정표시장치에서 게이트라인중에서 어느 한 라인이 끊어질 경우(참조부호 3부분), 그 라인에 해당하는 액정셀에 신호전달이 불가능하게 된다.In the liquid crystal display device configured as described above, when any one of the gate lines is broken (reference numeral 3), signal transmission to the liquid crystal cell corresponding to the line becomes impossible.

따라서 이를 보수하기 위한 리페어라인(15)이 픽셀부 주변의 가장자리에 픽셀부를 둘러싸며 형성되어 있다.Therefore, a repair line 15 for repairing the same is formed surrounding the pixel portion at an edge around the pixel portion.

즉, 도시된 바와 같이 참조부호 3부분이 끊어졌을 경우, 이 부분에 해당하는 게이트라인과 리페어라인(15)을 도전체(14)로 연결함으로써 끊어진 부분(3)이 있는 게이트라인에도 신호가 공급되도록 하는 것이다.That is, as shown in the drawing, when the three reference numerals are broken, the signal is supplied to the gate line having the broken portion 3 by connecting the gate line and the repair line 15 corresponding to the portions with the conductor 14. It is.

그러나 상기 종래기술에 있어서는 게이트라인과 리페어라인이 교차되어 형성되기 때문에 서로 겹쳐지는 부분이 발생하며, 이로 인해 서로 단락이 일어나지 않도록 두 라인 사이에 절연층을 형성해야 하는등 공정이 복잡해지고, 두 라인이 겹쳐짐으로써 원치 않는 커패시턴스가 발생하는 문제가 있다.However, in the prior art, since the gate line and the repair line are formed to cross each other, overlapping portions occur, and thus, a process is complicated, such that an insulating layer must be formed between the two lines so that a short circuit does not occur. There is a problem that unwanted capacitance occurs due to this overlap.

본 발명은 상술한 문제를 해결하기 위한 것으로, 게이트라인과 리페어라인이 겹쳐지지 않도록 한 액정표시장치의 리페어구조를 제공하는데 그 목적이 있다.SUMMARY OF THE INVENTION The present invention has been made to solve the above-described problem, and an object thereof is to provide a repair structure of a liquid crystal display device in which a gate line and a repair line do not overlap.

상기 목적을 달성하기 위한 본 발명의 액정표시장치는 게이트라인과 상기 게이트라인에 교차하는 방향으로 형성된 데이터라인, 그리고 박막트랜지스터 및 화소전극을 갖는 제1 기판과, 블랙매트릭스층, 칼라필터층, 그리고 공통전극을 갖는 제2 기판을 구비한 액정표시장치에 있어서, 상기 제1 기판의 상단과 하단에 형성된 제1, 제2 리페어라인과, 상기 제1 기판의 일측에 형성되고, 상기 제1 리페어라인과 제2 리페어라인을 서로 연결시키는 제3 리페어라인이 형성된 구동회로부로 구성된다.The liquid crystal display device of the present invention for achieving the above object is a first substrate having a gate line, a data line formed in a direction crossing the gate line, and a thin film transistor and a pixel electrode, a black matrix layer, a color filter layer, and a common A liquid crystal display device having a second substrate having an electrode, the liquid crystal display device comprising: first and second repair lines formed at an upper end and a lower end of the first substrate, and formed at one side of the first substrate; The driving circuit unit includes a third repair line connecting the second repair lines to each other.

상기 구동회로부는 상기 제3 리페어라언을 갖는 PCB기판과, 상기 제3 리페어라인의 양단을 각각 상기 제1 리페어라인과 제2 리페어라인에 연결하는 연결수단으로 구성되며, 상기 연결수단은 상기 구동회로부상에 형성된 더미라인으로 구성된다.The driving circuit unit includes a PCB substrate having the third repair language, and connecting means for connecting both ends of the third repair line to the first repair line and the second repair line, respectively. It consists of a dummy line formed on the float.

이하, 첨부된 도면을 참조하여 본 발명을 상세히 설명한다.Hereinafter, with reference to the accompanying drawings will be described in detail the present invention.

제2도에 본 발명에 의한 액정표시장치의 리페어구조를 평면적으로 도시하였다.2 is a plan view showing a repair structure of the liquid crystal display device according to the present invention.

제2도에 도시된 바와 같이 매트릭스형태의 액정표시장치는 복수개의 게이트라인(1)과 이 게이트라인(1)과 직교하는 복수개의 데이타라인(2)을 갖추고 있으며, 상기 게이트라인(1)과 데이타라인(2)이 교차하는 지점에 액정셀(도시되지 않음)이 형성되어 픽셀부를 구성하고 있다.As shown in FIG. 2, a matrix type liquid crystal display device includes a plurality of gate lines 1 and a plurality of data lines 2 orthogonal to the gate lines 1, Liquid crystal cells (not shown) are formed at points where the data lines 2 intersect to form pixel units.

상기 게이트라인(1)들과 데이타라인(2)들은 픽셀부가 구성된 액정패널(20)의 주변에 설치되는 PCB(21)와 상기 액정패널(20)을 연결하는 TCP(Tape Carried Package)(22, 23)상의 구동회로(도시하지 않음)에 각각 연결되어 있다.The gate lines 1 and the data lines 2 include a tape carrier package (TCP) 22 which connects the liquid crystal panel 20 and the PCB 21 installed around the liquid crystal panel 20 including the pixel unit. 23 are respectively connected to a driving circuit (not shown).

상기와 같이 구성된 액정표시장치에서 어느 한 라인이 끊어질 경우(참조 부호 A부분), 그 라인에 해당하는 액정셀에 신호전달이 불가능하게 된다.When any one line is broken in the liquid crystal display device configured as described above (part A), signal transmission to the liquid crystal cell corresponding to the line becomes impossible.

따라서 이를 보수하기 위한 리페어라인이 픽셀부를 둘러싸며 형성되는 바, 상기 리페어라인은 게이트라인(1)과 평행하게 게이트라인들의 상부 외곽부에 형성된 제1리페어라인(24,25)과, 게이트라인들의 하부 외곽부에 형성된 제2리페어라인(26,27)과, 상기 TCP(23)상의 게이트라인 구동회로부와 접속된 PCB(21)상에 상기 게이트라인(1)들과 수직방향으로 형성된 제3리페어 라인(28, 29)으로 구성되는데, 상기 제3리페어라인(28)은 TCP(23)상에 형성된 더미라인(30)에 의해 제1리페어라인(24)과 제2리페어라인(27)과 각각 전기적으로 연결되고, 제3리페어라인(29)도 역시 TCP(23)상에 형성된 더미라인(30)에 의해 제1리페어라인(25)과 제2리페어라인(26)과 각각 전기적으로 연결됨으로써 두개의 전기적 경로(path)를 형성한다.Therefore, a repair line for repairing the same is formed around the pixel part, and the repair line includes first repair lines 24 and 25 formed at upper edge portions of the gate lines in parallel with the gate line 1, and the repair lines of the gate lines. Second repair lines 26 and 27 formed in the lower outer portion, and third repair lines formed perpendicular to the gate lines 1 on the PCB 21 connected to the gate line driving circuit part on the TCP 23. Lines 28 and 29, wherein the third repair line 28 is formed with the first repair line 24 and the second repair line 27 by a dummy line 30 formed on the TCP 23, respectively. The third repair line 29 is also electrically connected to the first repair line 25 and the second repair line 26 by the dummy line 30 formed on the TCP 23, respectively. To form an electrical path.

제3도는 본 발명에 의한 액정표시장치의 리페어구조를 도시한 수직구조도로서, 액정패널이 구성되어 있는 기판(20)상에 형성된 리페어라인(24)과 PCB(21)상에 형성된 리페어라인(28)이 TCP(23) 하부에 형성되어 TCP(23)상에 형성된 더미라인(도시되지 않음)에 의해 연결되게 된다.3 is a vertical structural diagram showing a repair structure of a liquid crystal display device according to the present invention, in which a repair line 24 formed on a substrate 20 having a liquid crystal panel and a repair line 28 formed on a PCB 21 are provided. ) Is formed under the TCP 23 to be connected by a dummy line (not shown) formed on the TCP 23.

상기와 같이 리페어라인을 형성할 경우, 제2도에 도시된 바와 같이 어떤 데이타라인이 소정부분(A)에서 끊어졌을때, 이 부분에 해당하는 데이타라인의 리페어라인(24)을 접속(참조부호 B, C)시키면 도시된 바와 같은 경로로 데이타의 전달이 정상적으로 이루어지게 된다.When a repair line is formed as described above, when a data line is broken in a predetermined portion A as shown in FIG. 2, the repair line 24 of the data line corresponding to this portion is connected (reference numeral B). , C), the data transfer is normally performed as shown.

제3도는 액정패널부가 구성된 기판(20)과 액정패널 주변에 구성되는 PCB(21), 그리고 상기 액정패널을 연결하는 구동회로부가 형성되어 있는 TCP(23) 부분의 수직구조를 도시한 것으로, 도시된 바와 같이 액정패널이 구성되어 있는 기판(20)상에 형성된 리페어라인(24)과 PCB(21)상에 형성된 리페어라인(28)이 TCP(23)에 의해 연결되어 있다.FIG. 3 illustrates a vertical structure of a substrate 20 having a liquid crystal panel portion, a PCB 21 formed around the liquid crystal panel, and a TCP 23 portion having a driving circuit portion connecting the liquid crystal panel. As described above, the repair line 24 formed on the substrate 20 having the liquid crystal panel and the repair line 28 formed on the PCB 21 are connected by TCP 23.

이상과 같이 본 발명은 리페어라인을 게이트라인과 겹쳐지지 않도록 형성함으로써 제조공정을 용이하게 하고, 리페어라인과 게이트라인간의 원하지 않는 기생커패시턴스의 발생을 방지한다.As described above, the present invention facilitates the manufacturing process by forming the repair line so as not to overlap the gate line, and prevents generation of unwanted parasitic capacitance between the repair line and the gate line.

Claims (2)

게이크라인과 상기 게이트라인에 교차하는 방향으로 형성된 데이터라인, 그리고 박막트랜지스터 및 화소전극을 갖는 제1 기판과, 블랙매트릭스층, 칼라필터층, 그리고 공통전극을 갖는 제2 기판을 구비한 액정표시장치에 있어서, 상기 제1 기판의 상단과 하단에 형성된 제1, 제2 리페어라인과, 상기 제1 기판의 일측에 형성되고, 상기 제1 리페어라인과 제2 리페어라인을 서로 연결시키는 제3 리페어라인이 형성된 구동회로부를 포함하여 구성되는 것을 특징으로 하는 액정표시장치.A liquid crystal display comprising a data line formed in a direction crossing the gate line and the gate line, a first substrate having a thin film transistor and a pixel electrode, and a second substrate having a black matrix layer, a color filter layer, and a common electrode. The third repair line of claim 1, wherein first and second repair lines formed at upper and lower ends of the first substrate, and third repair lines formed at one side of the first substrate and connect the first repair line and the second repair line to each other. And a driving circuit unit formed thereon. 제1항에 있어서, 상기 구동회로부는 상기 제3 리페어라인을 갖는 PCB기판과, 상기 제3 리페어라인의 양단을 각각 상기 제1 리페어라인과 제2 리페어라인에 연결하는 연결수단을 포함하는 것을 특징으로 하는 액정표시장치.The method of claim 1, wherein the driving circuit unit comprises a PCB substrate having the third repair line, and connecting means for connecting both ends of the third repair line to the first repair line and the second repair line, respectively. A liquid crystal display device.
KR1019950003369A 1995-02-21 1995-02-21 Lcd device KR0151269B1 (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100704783B1 (en) * 1999-12-18 2007-04-09 삼성전자주식회사 Liquid crystal display module capable of line repair without rework
KR100885766B1 (en) * 2002-10-18 2009-02-26 하이디스 테크놀로지 주식회사 Thin film transistor liquid crystal display

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6014191A (en) 1996-07-16 2000-01-11 Samsung Electronics Co., Ltd. Liquid crystal display having repair lines that cross data lines twice and cross gate lines in the active area and related repairing methods
KR100483521B1 (en) * 1997-06-25 2005-08-10 삼성전자주식회사 Pixel Structure of Liquid Crystal Display
KR100551443B1 (en) * 1998-02-20 2006-05-10 삼성전자주식회사 LCD panel for polycrystalline silicon thin film transistor
KR100529562B1 (en) * 1998-04-30 2006-02-08 삼성전자주식회사 Liquid Crystal Display with Multiple Repair Lines

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100704783B1 (en) * 1999-12-18 2007-04-09 삼성전자주식회사 Liquid crystal display module capable of line repair without rework
KR100885766B1 (en) * 2002-10-18 2009-02-26 하이디스 테크놀로지 주식회사 Thin film transistor liquid crystal display

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