# US 2013/0155342 A1 · Array substrate, liquid crystal display panel and broken-line repairing method thereof > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 2013/0155342 A1 - Document ID: US20130155342A1 - Status: Published application - Kind: A1 - Application number: 13/698,871 - Filed: 2012-08-01 - Published: 2013-06-20 - Earliest claimed: 2011-08-02 - Assignees: Hefei Xinsheng Optoelectronics Technology Co., Ltd.; Boe Technology Group Co., Ltd. - Inventors: Song Wu - Web page: https://patentgrep.com/patent/US20130155342A1 ## CPC - H10P 74/23: {characterised by multiple measurements, corrections, marking or sorting processes} - G02F 1/136259: {Repairing; Defects} - H10H 29/142: {Two-dimensional arrangements, e.g. asymmetric LED layout} - G02F 1/136263: {Line defects} - G02F 2201/122: having a particular pattern - H10P: GENERIC PROCESSES OR APPARATUS FOR THE MANUFACTURE OR TREATMENT OF DEVICES COVERED BY CLASS H10 - 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 - H10H: INORGANIC LIGHT-EMITTING SEMICONDUCTOR DEVICES HAVING POTENTIAL BARRIERS ## Abstract According to the present disclosure, there is disclosed an array substrate, a liquid crystal display panel and a broken-line repairing method thereof. The array substrate comprises: signal lines, which includes a plurality of gate lines and a plurality of data lines intersecting with each other; and a plurality of pixel units defined by the gate lines and the data lines, wherein a thin film transistor, a common electrode and a pixel electrode, which is connected to a drain of the thin film transistor, are formed in each of the pixel units, for each of the pixel units, at the positions of two corners which are adjacent to one of the data lines, a first repair area and a second repair area are formed, respectively; within the first repair area and the second repair area, patterns of the pixel electrode and the data line overlap, and there is no pattern of the common electrode. ## Claims ### Claim 1 An array substrate, comprising: signal lines, which includes a plurality of gate lines and a plurality of data lines intersecting with each other; and a plurality of pixel units defined by the gate lines and the data lines, wherein a thin film transistor, a common electrode and a pixel electrode, which is connected to a drain of the thin film transistor, are formed in each of the pixel units, for each of the pixel units, at the positions of two corners which are adjacent to one of the data lines, a first repair area and a second repair area are formed, respectively; within the first repair area and the second repair area, patterns of the pixel electrode and the data line overlap, and there is no pattern of the common electrode. ### Claim 2 (depends on 1) The array substrate claimed as claim 1, wherein within the first repair area and the second repair area, the pixel electrode and the data line each are formed with protruding patterns, and the protruding patterns of the two overlap. ### Claim 3 (depends on 1) The array substrate claimed as claim 1, wherein for the pixel unit, at the position of one corner which is adjacent to one of the gate lines connected to the thin film transistor of the pixel unit and is not the place where the thin film transistor is located, a third repair area is formed; within the third repair area, patterns for the pixel electrode and the gate line overlap, and there is no pattern of the common electrode. ### Claim 4 (depends on 3) The array substrate claimed as claim 3, wherein within the third repair area, the pixel electrode is formed with a protruding pattern, and the protruding pattern and the pattern of the gate line overlap. ### Claim 5 (depends on 1) The array substrate claimed as claim 1, wherein in the array substrate, a data repair line is formed around a pixel region comprising all of the pixel units; for the pixel unit, at the positions of two corners which are adjacent to another data line, a fourth repair area and a fifth repair area are further formed; within the fourth repair area and the fifth repair area, patterns for the pixel electrode and the said another data line overlap, and there is no pattern of the common electrode. ### Claim 6 (depends on 5) The array substrate claimed as claim 5, wherein within the fourth repair area and the fifth repair area, the pixel electrode and the said another data line each are formed with protruding patterns, and the protruding patterns of the two overlap. ### Claim 7 (depends on 1) The array substrate claimed as claim 1, wherein a source of the thin film transistor is connected to a corresponding data line, and a gate of the thin film transistor is connected to a corresponding gate line. ### Claim 8 (depends on 1) The array substrate claimed as claim 1, wherein the thin film transistor is located at a position adjacent to one corner of the pixel unit. ### Claim 9 (depends on 1) A liquid crystal display panel, comprising: a color filter substrate an array substrate as claimed in claim 1, facing the color filter substrate; and a liquid crystal layer interposed between the color filter substrate and the array substrate, wherein, the array substrate comprising, signal lines, which includes a plurality of and a plurality of data lines intersecting with each other; and a plurality of pixel units defined by the gate lines and the data lines, wherein a thin film transistor, a common electrode and a pixel electrode, which is connected to a drain of the thin film transistor, are formed in each of the pixel units, for each of the pixel units, at the positions of two corners which are adjacent to one of the data lines, a first repair area and a second repair area are formed, respectively; within the first repair area and the second repair area, patterns of the electrode and the data line overlap, and there is no pattern of the common electrode. ### Claim 10 (depends on 3) A method for repairing a broken line for the signal lines in the array substrate claimed as claim 3, comprising: a1, detecting and determining the position of a breakpoint for the signal lines; a2, when the breakpoint of a data line is detected, by means of laser soldering, the pixel electrode in the first repair area on one side of the breakpoint of the data line is connected to the data line, and the pixel electrode in the second repair area on another side of the breakpoint of the data line is connected to the data line; when the breakpoint of a gate line is detected, by means of laser soldering, the pixel electrode in the third repair area on one side of the breakpoint of the gate line is connected to the gate line, and the drain of the thin film transistor on another side of the breakpoint of the gate line is connected to the gate line. ### Claim 11 (depends on 5) A method for repairing a broken line for the signal lines in the array substrate claimed as claim 5, comprising: c1, detecting and determining the position of a breakpoint for the signal lines; c2, when the breakpoint of a data line is detected, by means of laser soldering, the pixel electrode in the first repair area on one side of the breakpoint of the data line is connected to the data line, and the pixel electrode in the second repair area on another side of the breakpoint of the data line is connected to the data line; alternatively, by means of laser soldering, the pixel electrode in the fourth repair area on one side of the breakpoint of the data line is connected to the data line, and the pixel electrode in the fifth repair area on another side of the breakpoint of the data line is connected to the data line; when the breakpoint of a gate line is detected, by means of laser soldering, a drain of a thin film transistor on one side of the breakpoint of the gate line is connected to the gate line; by means of laser cutting, a data line on another side of the breakpoint of the gate line is cut off at two sides of two repair areas adjacent to the gate line; by means of laser soldering, pixel electrodes in the two repair areas are connected to the data line, respectively, and a drain of a thin film transistor connected to the data line is connected to the gate line; by means of laser soldering, the data line is connected to the data repair line. ### Claim 12 (depends on 9) The liquid crystal display panel claimed as claim 9, wherein within the first repair area and the second repair area, the pixel electrode and the data line each are formed with protruding patterns, and the protruding patterns of the two overlap. ### Claim 13 (depends on 9) The liquid crystal display panel claimed as claim 9, wherein for the pixel unit, at the position of one corner which is adjacent to one of the gate lines connected to the thin film transistor of the pixel unit and is not the place where the thin film transistor is located, a third repair area is formed; within the third repair area, patterns for the pixel electrode and the gate line overlap, and there is no pattern of the common electrode. ### Claim 14 (depends on 13) The liquid crystal display panel claimed as claim 13, wherein within the third repair area, the pixel electrode is formed with a protruding pattern, and the protruding pattern and the pattern of the gate line overlap. ### Claim 15 (depends on 9) The liquid crystal display panel claimed as claim 9, wherein in the array substrate, a data repair line is formed around a pixel region comprising all of the pixel units; for the pixel unit, at the positions of two corners which are adjacent to another data line, a fourth repair area and a fifth repair area are further formed; within the fourth repair area and the fifth repair area, patterns for the pixel electrode and the said another data line overlap, and there is no pattern of the common electrode. ### Claim 16 (depends on 15) The liquid crystal display panel claimed as claim 15, wherein within the fourth repair area and the fifth repair area, the pixel electrode and the said another data line each are formed with protruding patterns, and the protruding patterns of the two overlap. ### Claim 17 (depends on 9) The liquid crystal display panel claimed as claim 9, wherein a source of the thin film transistor is connected to a corresponding data line, and a gate of the thin film transistor is connected to a corresponding gate line. ### Claim 18 (depends on 9) The liquid crystal display panel claimed as claim 9, wherein the thin film transistor is located at a position adjacent to one corner of the pixel unit.