KR20080082145A - Liquid crystal display and repair method thereof - Google Patents

Abstract

An LCD(Liquid Crystal Display) and a method for repairing the same are provided to deal with an opening defect of a data link line or a gate link line effectively by forming a data link repair line overlapping the data link line or a gate link repair line overlapping the gate link line. A first substrate and a second substrate are respectively prepared. Gate lines, gate link lines, and data link repair lines(106) are formed above the first substrate. An insulating layer is formed above the first substrate. Data lines(102) overlapping the gate lines, data link lines(104) each overlapping respective data link repair lines at least two times, and gate link repair lines each overlapping respective gate link lines at least two times are formed above the first substrate. When one of the data link lines is opened, overlapping regions of the corresponding data link line and the data link repair lines are short-circuited. When one of the gate link lines is opened, overlapping regions of the corresponding gate link line and the gate link repair lines are short-circuited.

Description

Liquid Crystal Display and Repair Method {LIQUID CRYSTAL DISPLAY AND REPAIR METHOD THEREOF}

1 is a plan view showing a general liquid crystal display device.

FIG. 2 is a plan view showing part A of FIG. 1 in detail; FIG.

3 is a plan view showing a liquid crystal display according to a preferred embodiment of the present invention.

FIG. 4 is a plan view showing part C of FIG. 3 in detail.

FIG. 5 is a cross-sectional view taken along the line II of FIG. 4. FIG.

FIG. 6 is a plan view illustrating a repair method of a liquid crystal display according to an exemplary embodiment of the present invention, and FIG.

7 is a cross-sectional view taken along the line II-II of FIG. 6.

8 is a plan view showing another modified example of the liquid crystal display according to the preferred embodiment of the present invention.

** Description of the symbols for the main parts of the drawings **

101: first substrate

AA: active area NA: inactive area

102: data line 103: gate line

104, 204: data link line 105, 205: gate link line

106, 206: data link repair line 107, 207: gate link repair line

108, 208: data pads 109, 209: gate pads

110: insulation layer

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a liquid crystal display device and a repair method thereof, and more particularly, to a liquid crystal display device and a repair method capable of efficiently coping with an open phenomenon of a data link line or a gate link line.

BACKGROUND ART In general, liquid crystal display devices have tended to be gradually widened due to their light weight, thinness, and low power consumption. Accordingly, the liquid crystal display device is widely used as a portable computer such as a notebook PC, office automation equipment, audio / video equipment, and the like.

In general, a liquid crystal display device displays a desired image on a screen by adjusting the amount of light transmitted according to image signals applied to a plurality of control switching elements arranged in a matrix.

The liquid crystal display includes a liquid crystal panel in which a color filter substrate as an upper substrate and a thin film transistor array substrate as a lower substrate are opposed to each other, and a liquid crystal layer is filled therebetween; And a driver for supplying scan signals and image information to the liquid crystal panel to operate the liquid crystal panel.

A plurality of data lines and a gate line are vertically and horizontally disposed in the liquid crystal panel to define a plurality of pixels, and each pixel is provided with a switching element to be electrically connected to the data line and the gate line. In addition, the thin film transistor array substrate and the color filter substrate are each provided with a pixel electrode and a common electrode. As the image signal is applied, the liquid crystal is driven by an electric field formed between the pixel electrode and the common electrode to display an image.

A data pad portion and a gate pad portion are formed at the ends of the data line and the gate line to connect the driver, that is, the data drive integrated circuit and the gate drive integrated circuit. Here, a data link line is formed between the data line and the data pad unit, and a gate link line is formed between the gate line and the gate pad unit.

Hereinafter, a general liquid crystal display device will be described with reference to FIGS. 1 and 2.

FIG. 1 is a plan view illustrating a general liquid crystal display, and for convenience of description, only a lower substrate is illustrated among upper and lower substrates constituting a liquid crystal panel.

FIG. 2 is a plan view illustrating part A of FIG. 1 in detail and illustrates only a data link line and a data pad.

As shown in FIG. 1, a general liquid crystal display device includes an active area AA including pixels defined by intersections of a plurality of data lines 2 and gate lines 3, and an active area AA of the active area AA. A substrate 1 on which a non-active region NA forming a periphery is formed; A data link line (4) formed in said inactive region (NA) and connected to said data line (2); A gate link line 5 formed in the inactive region NA and connected to the gate line 3; A data pad (8) formed in the inactive region (NA) and formed at an end of the data link line (4); And a gate pad 9 formed in the inactive region NA and formed at an end of the gate link line 5.

In the liquid crystal display having the structure as described above, the data link line 4 is opened after the manufacturing process or completion, or the gate link line 5 is opened, although not shown in the drawing. Problem occurs.

This open phenomenon may be caused by foreign matter being deposited and then falling off in the process of patterning the metal material to form the data link line 4 or the gate link line 5, and the data link line 4 or the gate link. It may be caused by disconnection by the static electricity formed in the line (3).

As such, when the data link line 4 or the gate link line 5 is opened, the electrical connection between the data pad 8 and the data line 2 is disconnected or between the gate pad 9 and the gate line 3. Due to the disconnection of the electrical connection, the signal transmission to the data line 2 or the gate line 3 is not performed smoothly, and thus the display quality of the liquid crystal display device is degraded.

Accordingly, the present invention has been made to solve the problems of the prior art, an object of the present invention is to provide a data link repair line overlapping with the data link line or a gate link repair line overlapping with the gate link repair line data link The present invention provides a liquid crystal display and a repair method that can efficiently cope with the open phenomenon of a line or a gate link line.

A liquid crystal display according to an exemplary embodiment of the present invention for achieving the above object, the active region including a pixel defined by the intersection of a plurality of data lines and gate lines, and a ratio forming a peripheral portion of the active region A substrate on which an active region is formed; A data link line formed in the inactive region and connected to the data line; A gate link line formed in the inactive region and connected to the gate line; One or more data link repair lines formed to overlap with the data link lines, for repairing when the data link lines are opened; And at least one gate link repair line configured to overlap the gate link line and to repair when the gate link line is opened.

Hereinafter, a method of manufacturing a liquid crystal display device including a structure of a liquid crystal display device and a repair method of the liquid crystal display device according to an exemplary embodiment of the present invention will be described with reference to the accompanying drawings.

FIG. 3 is a plan view illustrating a liquid crystal display according to an exemplary embodiment of the present invention. For the convenience of description, only the lower substrate of the upper substrate and the lower substrate constituting the liquid crystal panel is illustrated.

FIG. 4 is a plan view illustrating the C part of FIG. 3 in detail and illustrates only the data link line, the data pad, and the data link repair line.

FIG. 5 is a cross-sectional view taken along the line II of FIG. 4. FIG.

FIG. 6 is a plan view illustrating a repairing method of a liquid crystal display according to an exemplary embodiment of the present invention, in which a repair is performed using a data link line when a part of the data link line is opened.

FIG. 7 is a cross-sectional view taken along the line II-II of FIG. 6.

8 is a plan view illustrating another modified example of the liquid crystal display according to the exemplary embodiment of the present invention.

First, the structure of a liquid crystal display device according to an exemplary embodiment of the present invention will be described with reference to FIGS. 3 to 6.

As shown in FIG. 3, an LCD according to an exemplary embodiment of the present invention includes an active region AA including pixels defined by intersections of a plurality of data lines 102 and gate lines 103, and A first substrate 101 on which a non-active region NA forming a periphery of the active region AA is formed; A data link line 104 formed in the inactive region NA and connected to the data line 102; A gate link line 105 formed in the inactive region NA and connected to the gate line 103; One or more data link repair lines (106) formed to overlap the data link lines (104) and for repairing when the data link lines (104) are opened; And at least one gate link repair line 107 formed to overlap the gate link line 105 and to be repaired when the gate link line 105 is opened.

The first substrate 101 is a thin film transistor array substrate, which corresponds to a lower substrate among upper and lower substrates of the liquid crystal panel of the liquid crystal display. Accordingly, the first substrate used in describing the configuration of the liquid crystal display device according to the present invention is a thin film transistor array substrate which is a lower substrate of the liquid crystal panel.

As shown in FIG. 3, the first substrate 101 is largely divided into an active region AA and an inactive region NA.

The active area AA is an area in which an image is displayed in the liquid crystal panel of the liquid crystal display, and the data line 102 and the gate line 103 cross each other to provide pixels. Although not shown in the drawings, a thin film transistor serving as a switching element is formed in each pixel.

The thin film transistor includes a gate electrode, an insulating layer, a semiconductor layer, a source electrode, and a drain electrode. The gate electrode branches in the gate line 103 and the source electrode branches in the data line 102.

The inactive area NA is an area forming a periphery of the active area AA. The inactive area NA includes a data link line 104 and a data pad 108 connected to the data line 102. A gate link line 105 and a gate pad 109 connected to the gate line 103 are formed.

In addition, a data link repair line 106 overlapping the data link line 104 and a gate link repair line 107 overlapping the gate link line 105 are formed in the inactive region NA. .

As shown in FIG. 3, a data pad 108 is formed at one end of the data link line 104 formed in the inactive region NA of the first substrate 101, and a data line 102 is formed at the other end thereof. ) Is formed. That is, the data link line 104 connects between the data line 102 and the data pad 108.

A group of data pads 108 shown in region C of FIG. 3 is a portion connected to one data drive integrated circuit (not shown) when the manufacturing process of the liquid crystal display device is completed, and is outside the region C of FIG. A plurality of different groups of data pads 108 shown in FIG. 3 are also connected to one data drive integrated circuit when the manufacturing process of the liquid crystal display device is completed.

3, 4, and 5, the data link repair line 106 formed in the inactive area NA of the first substrate 101 may overlap the lower portion of the data link line 104. One or more are formed.

The data link repair line 106 has the form of a closed curve overlapping each of the data link lines 104 at least twice as shown in FIGS. 3 and 4.

In addition, as illustrated in FIG. 5, the data link repair line 106 overlaps each data link line 104 and an insulating layer (see 110 in FIG. 5).

Therefore, when an open failure occurs in the data link line 104, the repair is performed by shortening a portion where the corresponding data link line 104 and the data link repair line 106 overlap with each other. The data signal transmitted to the data pad 108 connected to the data link line 104 having the open failure is transmitted to the data line 102 through the data link repair line 106 instead of the data link line 104.

In addition, the data link repair line 106 may be formed of the same metal on the same layer as the gate line 103 in the manufacturing process of the liquid crystal display. That is, as shown in FIG. 5, the data link repair line 106 is positioned below the data link line 104 with the insulating layer 110 interposed therebetween.

In the description of the present invention, three data link repair lines 106 are formed for each data link line 104 connected to a group of data pads 108, but within the scope not departing from the gist of the present invention. It is possible to modify the number thereof sufficiently.

That is, in the case of a model in which a large number of open defects of the data link line 104 occur after the manufacturing process or completion of the liquid crystal display device, a large number of data link repair lines 106 are formed, and the manufacturing process or completion of the liquid crystal display device is performed. In the case of a model in which less open failure of the data link line 104 occurs later, various designs may be possible, such as forming a small number of data link repair lines 106.

In addition, although the data link repair line 106 is formed as a closed curve with respect to the data link line 104 connected to a group of data pads 108 as shown in region C of FIG. The shape of the data link repair line 106 is not limited thereto, and the data link repair line 106 may be connected to the data link line 204 connected to a plurality of groups of data pads 208, such as the data link repair line 206 illustrated in FIG. 8. Various modifications, such as forming a closed curve, are possible.

As shown in FIG. 3, a gate pad 109 is formed at one end of the gate link line 105 formed in the inactive region NA of the first substrate, and a gate line 103 is formed at the other end thereof. .

As shown in FIG. 3, a gate pad 109 is formed at one end of the gate link line 105 formed in the inactive region NA of the first substrate, and a gate line 103 is formed at the other end thereof. . That is, the gate link line 105 connects between the gate line 103 and the gate pad 109.

As shown in FIG. 3, the gate pads 109 formed in one or more groups are connected to one gate drive integrated circuit (not shown) when the manufacturing process of the liquid crystal display device is completed.

As illustrated in FIG. 3, at least one gate link repair line 107 formed in the inactive region NA of the first substrate 101 is formed to overlap the upper portion of the gate link line 105.

Although the gate link repair line 107 is schematically illustrated in FIG. 3, the detailed description is similar to that of the data link repair line 106, and thus, portions not shown in detail in the drawing are the data link repair lines described above. Reference will be made to (106).

As shown in FIG. 3, the gate link repair line 107 has a closed curve overlapping at least twice with each of the gate link lines 105.

In addition, although not shown in detail in the drawings, the gate link repair lines 107 overlap with each gate link line 105 and an insulating layer therebetween.

Therefore, when the open failure occurs in the gate link line 105, the repair is performed by shorting a portion where the corresponding gate link line 105 and the gate link repair line 107 overlapping the open failure occur. Accordingly, the scan signal transmitted to the gate pad 109 connected to the gate link line 105 having the open failure is transmitted to the gate line 103 through the gate link repair line 107 instead of the gate link line 105. Delivered.

In addition, the gate link repair line 107 may be formed of the same metal on the same layer as the data line 102 during the manufacturing process of the liquid crystal display. That is, the gate link repair line 107 is positioned above the data link line 104 with an insulating layer interposed therebetween.

In the description of the present invention, three gate link repair lines 107 are formed for each gate link line 105 connected to a group of gate pads 109. However, within the scope not departing from the gist of the present invention. It is possible to modify the number thereof sufficiently.

That is, in the case of a model in which a large number of open defects occur in the gate link line 105 after the manufacturing process or completion of the liquid crystal display device, a large number of gate link repair lines 107 are formed and the manufacturing process or completion of the liquid crystal display device is performed. In the case of a model in which less open defects of the gate link line 105 are generated later, various designs such as forming a small number of gate link repair lines 107 may be possible.

In addition, although the gate link repair line 107 is formed as a closed curve with respect to the gate link line 105 connected to a group of the gate pad 109, the shape of the gate link repair line 107 according to the present invention The present invention is not limited thereto, and various modifications, such as forming a closed curve with respect to the gate link line 205 connected to the plurality of groups of the gate pads 209, such as the gate link repair line 207 illustrated in FIG. 8, may be performed. .

Hereinafter, a method of manufacturing a liquid crystal display including a repairing method of a liquid crystal display according to an exemplary embodiment of the present invention will be described with reference to FIGS. 6 and 7.

The manufacturing method of the liquid crystal display device including the repair method of the liquid crystal display device according to the preferred embodiment of the present invention is as follows.

First, a first substrate 101 and a second substrate (not shown) are prepared. Here, the first substrate 101 is a substrate to be a thin film transistor array substrate which is a lower substrate of the liquid crystal panel through a liquid crystal display device manufacturing process, and the second substrate (not shown) is a liquid crystal panel through a liquid crystal display device manufacturing process. The substrate to be the color filter substrate, which is the upper substrate of the substrate.

Next, a metal material is deposited on the first substrate 101 to form a gate line 103, a gate link line 105, and a data link repair line 106, and then use a photolithography process technology. The gate line 103, the gate link line 105, and the data link repair line 106 are formed on the first substrate 101 by patterning by a mask process.

Subsequently, an inorganic insulating material such as a silicon oxide film, a silicon nitride film, or other insulating material is deposited on the first substrate 101 on which the gate line 103, the gate link line 105, and the data link repair line 106 are formed. The insulating layer 110 is formed.

Next, although not shown in the figure, an amorphous silicon layer is deposited on the insulating layer 11 for use as a channel region of a thin film transistor as a switching element. Subsequently, an ohmic contact layer made of a material such as n + amorphous silicon doped with silicide or n-type impurities at a high concentration is formed on the amorphous silicon layer.

Next, at least two of the data lines 102 overlapping the gate lines 103 on the first substrate 101 including the ohmic contact layer and the amorphous silicon layer, and each of the data link repair lines 106 A metal material layer for forming the data link line 104 overlapped once and the gate link repair line 107 overlapping each gate link line 105 at least twice are formed.

Subsequently, the metal material layer is selectively patterned by a mask process using a photolithography process technology to overlap the gate line 103 on the first substrate 101, and the data links 102. A data link line 104 overlapping with the repair line 106 at least twice and a gate link repair line 107 overlapping with each of the gate link lines 105 are formed.

Then, as shown in " D " shown in Figs. 6 and 7, when the data link line 104 is opened, the corresponding data link line 104 and the data link repair line 106 in which the open failure has occurred are 6 and 7, the overlapped portion is shortened as shown in FIGS. 6 and 7, and although not shown in the drawing, when the gate link line 105 is opened, the gate link line 105 and the gate having the defective open are generated. The portion where the link repair line 107 overlaps is shorted.

At this time, a means for shorting the data link line 104 and the data link repair line 106 or shorting the gate link line 105 and the gate link repair line 107 may be a laser irradiation equipment.

Here, since the laser irradiation equipment can accurately irradiate a laser beam through the first substrate 101 at a point to be shortened, repairing the data link line 104 or the gate link line 105. Can be applied both before and after completion of the liquid crystal display.

That is, as mentioned above, in the repair method of the liquid crystal display according to the present invention, when the open defects of the data link line 104 and the gate link line 105 are found before and after the completion of the liquid crystal display, the defects are detected. It can be done at any time regardless of

Although not mentioned in the description of the manufacturing method of the liquid crystal display device including the repairing step of the liquid crystal display device according to the present invention, the open failure of the data link line 104 and the gate link line 105 as described above. Before or after the repairing step, a liquid crystal layer is formed between the first substrate 101 and the second substrate (not shown).

As described in detail above, the liquid crystal display and the repair method according to the present invention have the following effects.

The liquid crystal display and the repair method according to the present invention provide a data link repair line overlapping with a data link line and an insulating layer therebetween, or a gate link repair line overlapping with a gate link line and an insulating layer interposed therebetween, thereby providing data. When an open failure occurs in the link line or the gate link line, the repair may be performed by shortening a portion where the data link line or the gate link line in which the open failure occurs and the data link repair line or the gate link repair line overlap.

Therefore, the liquid crystal display and the repairing method according to the present invention provide a data link repair line or a gate link repair line in which a signal transmitted to a data pad or gate pad connected to a corresponding data pad or gate pad having an open failure is repaired. Since it is transmitted to the data line or the gate line through, there is an advantage of improving the display quality of the liquid crystal display.

In addition, since the repair work as described above is performed by means of a laser irradiation equipment or the like, the repair work according to the present invention has an advantage that can be performed irrespective of the open failure detection time of the data link line and the gate link line. That is, if an open defect of the data link line and the gate link line is found after the manufacturing process or completion of the liquid crystal display device, the repair operation may be performed at any point in time.

Claims (36)

A substrate having an active region including pixels defined by intersections of a plurality of data lines and a gate line, and an inactive region forming a periphery of the active region; A gate link line formed in the inactive region and connected to the gate line and a data link line connected to the data line; And At least one link repair line formed to overlap at least one of the gate link line and the data link line and to be repaired when the at least one is opened; Liquid crystal display device comprising a. The liquid crystal display of claim 1, wherein an insulating layer is formed between any one of the at least one gate link line and the data link line and a link repair line. The liquid crystal display of claim 1, wherein the link repair line is formed on the same layer as any one of the at least one gate line and the data line. The method of claim 1, wherein the link repair line, One or more data link repair lines formed to overlap the data link lines, for repairing when the data link lines are opened; and At least one gate link repair line formed to overlap the gate link line, and to be repaired when the gate link line is opened; Liquid crystal display comprising a. The liquid crystal display of claim 1, wherein the link repair line forms a closed curve and overlaps at least two times with at least one of each of the at least one gate link line and the data link line. A substrate having an active region including pixels defined by intersections of a plurality of data lines and a gate line, and an inactive region forming a periphery of the active region; A data link line formed in the inactive region and connected to the data line; A gate link line formed in the inactive region and connected to the gate line; One or more data link repair lines formed to overlap with the data link lines, for repairing when the data link lines are opened; And At least one gate link repair line formed to overlap the gate link line, and to be repaired when the gate link line is opened; Liquid crystal display device comprising a. 7. The liquid crystal display device according to claim 6, wherein an insulating layer is formed between the data link line and the data link repair line. The liquid crystal display of claim 6, wherein an insulating layer is formed between the gate link line and the gate link repair line. 7. The liquid crystal display of claim 6, wherein the data link repair line is formed of the same metal as the gate line on the same layer as the gate line. 7. The liquid crystal display device according to claim 6, wherein the data link repair line is formed of the same metal as the gate link line on the same layer as the gate link line. 7. The liquid crystal display of claim 6, wherein the gate link repair line is formed of the same metal as the data line on the same layer as the data line. 7. The liquid crystal display of claim 6, wherein the gate link repair line is formed of the same metal as the data link line on the same layer as the data link line. 7. The liquid crystal display of claim 6, wherein the data link repair line forms a closed curve and overlaps each data link line at least twice. 7. The liquid crystal display of claim 6, wherein the gate link repair line forms a closed curve and overlaps the gate link line at least twice. A substrate having an active region including pixels defined by intersections of a plurality of data lines and a gate line, and an inactive region forming a periphery of the active region; A data link line formed in the inactive region and connected to the data line; A gate link line formed in the inactive region and connected to the gate line; And One or more data link repair lines formed to overlap with the data link lines, for repairing when the data link lines are opened; Liquid crystal display device comprising a. The liquid crystal display of claim 15, wherein an insulating layer is formed between the data link line and the data link repair line. The liquid crystal display of claim 15, wherein the data link repair line is formed of the same metal as the gate link line on the same layer as the gate link line. The liquid crystal display of claim 15, wherein the data link repair line is formed of the same metal as the gate link line on the same layer as the gate link line. The liquid crystal display of claim 15, wherein each of the data link repair lines forms a closed curve and overlaps each of the data link lines at least twice. A substrate having an active region including pixels defined by intersections of a plurality of data lines and a gate line, and an inactive region forming a periphery of the active region; A data link line formed in the inactive region and connected to the data line; A gate link line formed in the inactive region and connected to the gate line; And At least one gate link repair line formed to overlap the gate link line, and to be repaired when the gate link line is opened; Liquid crystal display device comprising a. 21. The liquid crystal display device according to claim 20, wherein an insulating layer is formed between the gate link line and the gate link repair line. 21. The liquid crystal display of claim 20, wherein the gate link repair line is formed of the same metal as the data line on the same layer as the data line. 21. The liquid crystal display of claim 20, wherein the gate link repair line is formed of the same metal as the data link line on the same layer as the data link line. 21. The liquid crystal display of claim 20, wherein the gate link repair line forms a closed curve and overlaps the gate link line at least twice. Preparing a first substrate and a second substrate; Forming a gate line, a gate link line, and a data link repair line on the first substrate; Forming an insulating layer on the first substrate; A data line overlapping the gate line, a data link line overlapping the data link repair line at least twice, and a gate link repair line overlapping the gate link line at least twice, on the first substrate Making; And  Shortening a portion where the corresponding data link line and the data link repair line overlap when the data link line is opened; and shorting a portion where the corresponding gate link line and the gate link repair line overlap when the gate link line is opened. ; Method of manufacturing a liquid crystal display device comprising a. 26. The method of claim 25, wherein the data link repair line is formed of the same metal as the gate link line in the same layer as the gate link line, And the gate link repair line is formed on the same layer as the data link line and the data link line on the same layer as the data link line. 27. The apparatus of claim 25, wherein the data link repair lines form a closed curve and overlap at least twice with each of the data link lines, The gate link repair line forms a closed curve and overlaps each gate link line at least twice. The method of claim 25, wherein after preparing the first substrate and the second substrate, And forming a liquid crystal layer between the first substrate and the second substrate. Preparing a first substrate and a second substrate; Forming a gate line, a gate link line, and a data link repair line in the same layer on the first substrate; Forming an insulating layer on the first substrate; Forming a data line overlapping a gate line and a data link line overlapping each data link repair line at least twice on the first substrate; And Shorting a portion where the data link line and the data link repair line overlap when the data link line is opened; Method of manufacturing a liquid crystal display device comprising a.  30. The method of claim 29, wherein the data link repair line is formed of the same metal as the gate link line on the same layer as the gate link line. 30. The method of claim 29, wherein the data link repair line forms a closed curve and overlaps each data link line at least twice. The method of claim 29, wherein after preparing the first substrate and the second substrate, And forming a liquid crystal layer between the first substrate and the second substrate. Preparing a first substrate and a second substrate; Forming a gate line and a gate link line in the same layer on the first substrate; Forming an insulating layer on the first substrate; Forming a data line overlapping a gate line on the first substrate, a data link line extending from the gate line, and a gate link repair line overlapping each gate link line at least twice in the same layer; And Shorting a portion where the corresponding gate link line and the gate link repair line overlap when the gate link line is opened; Method of manufacturing a liquid crystal display device comprising a. 34. The method of claim 33, wherein the gate link repair line is formed of the same metal as the data link line on the same layer as the data link line. 34. The method of claim 33, wherein the gate link repair line forms a closed curve and overlaps each gate link line at least twice. The method of claim 33, wherein after preparing the first substrate and the second substrate, And forming a liquid crystal layer between the first substrate and the second substrate.

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