CN102012572B - Method for repairing display panel and display panel repaired by same - Google Patents
Method for repairing display panel and display panel repaired by same Download PDFInfo
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- CN102012572B CN102012572B CN2010105365992A CN201010536599A CN102012572B CN 102012572 B CN102012572 B CN 102012572B CN 2010105365992 A CN2010105365992 A CN 2010105365992A CN 201010536599 A CN201010536599 A CN 201010536599A CN 102012572 B CN102012572 B CN 102012572B
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Abstract
The invention provides a method for repairing a display panel and the display panel repaired by the same. The display panel comprises first signal wires, second signal wires, repair wires and conducting wires, wherein the first signal wires intersect with the second signal wires vertically; the repair wires are used for repairing the first signal wires; the conducting wires are parallel to the second signal wires and the conducting wires and the second signal wires are arranged at intervals; one of the second signal wires has the defect. In the method, the second signal wire with the defect is repaired by utilizing the conducting wires and two first signal wires, wherein the second signal wires can be scanning wires or data wires.
Description
The application is the dividing an application of application for a patent for invention that is called " display panel that display panel repairing method and adopting said method are repaired " application number 2008102031583 in the name that on November 21st, 2008 proposed to State Intellectual Property Office.
Technical field
The present invention relates to the display panel that a kind of display panel repairing method and adopting said method are repaired, particularly relate to a kind of display panel repairing method of sweep trace or data line and display panel that adopting said method is repaired repaired.
Background technology
Usually, display panel (for example display panels) has the glass infrabasal plate.Be formed with a plurality of pixel circuits, many signal line (for example sweep trace and data line) on this glass infrabasal plate.Each picture element receives corresponding controlling signal (for example sweep signal and pixel voltages) via signal lines respectively, thereby these a little signal wires and pixel circuit can form the viewing area on this glass infrabasal plate.
In addition, this glass infrabasal plate more can be provided with many patch cords (Repair Line), or claims rescue line (Rescue Line).These a little patch cords are that part is formed on the glass infrabasal plate and is overlapped in this a little signal wires, in order to when the signal wire generation breaking phenomena as alternate route, that is be sent in the pixel circuit of correspondence in order to controlling signal is changed by patch cord.
Yet; At present patch cord is mostly in order to the data line of repairing display panel; When the sweep trace generation breaking phenomena of level or bad point (that is H-line Open situation takes place), this panel with sweep trace defective generally only can directly be scrapped, thereby increases the processing procedure cost.
Summary of the invention
One of the object of the invention is to provide a kind of method for repairing and mending of display panel; It is characterized in that: this display panel comprises some first signal wires, some secondary signal lines, at least two patch cords and some conductor wires; Those first signal wires and the mutual vertical interlaced of those secondary signal lines; Those patch cords are in order to repairing those first signal wires, and this parallel conductive line is in those secondary signal lines, and are provided with at interval with those secondary signal lines; One of them person of those secondary signal lines has defective, and this method for repairing and mending comprises:
Be breaking at 2 first signal wires of the both sides of this defective, use forming 2 first signal line segments between two secondary signal lines of the adjacent both sides of this defective, and at least one this conductor wire crisscross those first signal line segments;
Electric connection has secondary signal line and those first signal line segments of this defective;
Electric connection crisscrosses this conductor wire and those first signal line segments of those first signal line segments; And
Utilize those patch cords to repair cut those first signal wires.
According to above-mentioned method for repairing and mending, wherein this method for repairing and mending more comprises step: intercepting one conduction line segment crisscrosses those first signal line segments.
According to above-mentioned method for repairing and mending, wherein those first signal line segments are adjacent to this defective.
According to above-mentioned method for repairing and mending, wherein this secondary signal line is sweep trace or data line.
According to above-mentioned method for repairing and mending, wherein this conductor wire is shading metal wire or electric capacity metal wire.
According to above-mentioned method for repairing and mending, wherein the step of this secondary signal line of this electric connection and those first signal line segments is to utilize method for laser welding to carry out.
According to above-mentioned method for repairing and mending, wherein the step of this conductor wire of this electric connection and those first signal line segments is to utilize method for laser welding to carry out.
Two of the object of the invention is to provide a kind of display panel, it is characterized in that: said display panel comprises:
Substrate;
Some first signal wires are arranged on this substrate abreast;
Some secondary signal lines, vertical interlaced are in those first signal wires, and wherein one of them person of those secondary signal lines has defective;
2 first signal line segments are arranged between the two secondary signal lines of both sides of this defective, and are electrically connected at the secondary signal line with this defective respectively, wherein those first signal line segments be breaking at this defective both sides 2 first signal wires and form;
At least one conductor wire is parallel to those secondary signal lines, and is electrically connected at those first signal line segments respectively; And
At least two patch cords are electrically connected at those cut first signal wires respectively.
According to above-mentioned display panel, wherein this display panel more comprises: the conduction line segment, intercepting is electrically connected at those first signal line segments from this conductor wire.
According to above-mentioned display panel, wherein those first signal line segments are adjacent to this defective.
According to above-mentioned display panel, wherein this secondary signal line is sweep trace or data line.
According to above-mentioned display panel, wherein this conductor wire is shading metal wire or electric capacity metal wire.
According to above-mentioned display panel, wherein the electric connection of this secondary signal line and those first signal line segments is to utilize Laser Welding (LBW) to fetch realization.
According to above-mentioned display panel, wherein the electric connection of this conductor wire and those first signal line segments is to utilize Laser Welding (LBW) to fetch realization.
Display panel repairing method of the present invention can to reduce the situation that panel is directly scrapped, reduce unnecessary cost consumption in order to repair sweep trace or data line.
For letting the foregoing of the present invention can be more obviously understandable, hereinafter is special lifts preferred embodiment, and cooperates appended graphicly, elaborates as follows.
Description of drawings
Fig. 1 shows the schematic top plan view according to the display panel before the repairing of the first embodiment of the present invention.
Fig. 2 shows the local schematic top plan view according to the display panel before the repairing of the first embodiment of the present invention.
Fig. 3 shows the method flow diagram according to the method for repairing and mending of the first embodiment of the present invention.
Fig. 4, Fig. 5, Fig. 6, Fig. 7 A show the local schematic top plan view according to the display panel of the first embodiment of the present invention.
Fig. 7 B shows the local schematic top plan view according to the display panel of the second embodiment of the present invention.
Fig. 8 shows the schematic top plan view according to the display panel of the third embodiment of the present invention.
Embodiment
Please see figures.1.and.2, Fig. 1 illustrates the schematic top plan view according to the display panel before the repairing of the first embodiment of the present invention, and Fig. 2 illustrates the local schematic top plan view according to the display panel before the repairing of the first embodiment of the present invention.The display panel repairing method of present embodiment is in order to display panel 100 is repaired; Display panel 100 after this method for repairing and mending and adopting said method are repaired can be applicable in various display or the system; For example: LCD (Liquid Crystal Display; LCD), display of organic electroluminescence (Organic Electro Luminescence Display; OEL), organic light emitting diode display (Organic Light Emission Diode Display; OLED), Plasmia indicating panel (Plasma Display Panel, PDP), field emission display (Field Emission Display), CNT display or electric ink (E-ink) display etc.In the present embodiment, display panel 100 is to be that example is explained with the display panels, and at this moment, display panel 100 can not be provided with respect to backlight module (illustrating), and forms liquid crystal indicator.So be not limited thereto, the present invention also can be applicable to the display panel of other pattern.
As depicted in figs. 1 and 2, the display panel 100 of present embodiment comprises substrate 110, some first signal wires 120, some secondary signal lines 130, at least two patch cords 140 and some conductor wires 150.Substrate 110 can be brittle base (for example glass substrate) or flexible base plate (for example plastic base), and in one embodiment, substrate 110 for example is thin film transistor (TFT) (Thin Film Transistor; TFT) array base palte, at this moment, display panel 100 can for example be a display panels, it can more comprise liquid crystal layer (not illustrating) and colored filter (Color Filter; CF) substrate (not illustrating).These first signal wires 120 are to be arranged at abreast on the substrate 110; These secondary signal lines 130 are that vertical interlaced is in these first signal wires 120; To form viewing area 101; Viewing area 101 can be provided with several picture element regions 160, and each picture element region 160 is provided with pixel electrode 161 and driving component 162 (for example TFT), in order to show image.Can form outer peripheral areas 102 around the viewing area 101, in order to for example pad (Bonding Pad) 170, driving circuit assembly (for example drive IC, FPC) to be set, the space that perhaps provides circuit to lay.In the present embodiment; First signal wire 120 for example is the data line of arranged perpendicular; Secondary signal line 130 for example is the sweep trace of horizontal arrangement; Wherein one of them person of these secondary signal lines 130 (like secondary signal line 131) has defective d, thereby has at this and to form horizontal signal thread breakage situation (also being H-line Open) on the secondary signal line 131 of defective d.
As depicted in figs. 1 and 2; These patch cords 140 of present embodiment are in order to repair these first signal wires 120; Use when these first signal wires 120 wherein any one takes place to repair when defective or signal can't transmit smoothly; Patch cord 140 is configurable on outer peripheral areas 102, and partially overlaps these first signal wires 120, and wherein each patch cord 140 can be continuous conductors (as shown in Figure 1) or is made up of a plurality of conducting line segment.The conductor wire 150 of present embodiment is to be parallel to secondary signal line 130, and is provided with these secondary signal line 130 compartment of terrains, thereby conductor wire 150 is to partially overlap these first signal wires 120.In the present embodiment; Conductor wire 150 for example is the shading metal wire, in order to avoid the light leak problem, at this moment; The position of conductor wire 150 is under the consideration that does not influence electrical performance; Between these secondary signal lines 130, for example between the pixel electrode 161 and secondary signal line 130 of each picture element region 160, and be floating state (Floating State).In another embodiment, conductor wire 150 for example is the electric capacity metal wire, in order to form storage capacitors (like Cs on Common) in each picture element region 160.
Please with reference to Fig. 3 and Fig. 4, Fig. 3 illustrates the method flow diagram according to the method for repairing and mending of the first embodiment of the present invention, and Fig. 4 illustrates the local schematic top plan view according to the display panel of the first embodiment of the present invention.When the method for repairing and mending that utilizes present embodiment come repairing display panel 100 have the secondary signal line 131 of defective d the time; At first; Be breaking at 2 first signal wires 120 (step S201) of this defective d both sides; Use and form 2 first signal line segments 121,122 between two secondary signal lines 130 of the adjacent both sides of this defective d; And this moment, at least one conductor wire 151 was to crisscross these first signal line segments 121,122, and wherein these first signal line segments the 121, the 122nd partially overlap secondary signal line 131 and conductor wire 151.When cutting off these first signal wires 120, for example laser capable of using blows these first signal wires 120, with these first signal line segments 121,122 of intercepting.
Please with reference to Fig. 5, it illustrates the local schematic top plan view according to the display panel of one embodiment of the invention.Then, electrically connect this secondary signal line with defective d 131 and these first signal line segments 121,122 (step S202).At this moment, method for laser welding capable of using comes the overlapping of welding secondary signal line 131 and these first signal line segments 121,122, thereby forms weld A, B at above-mentioned overlapping, to electrically connect secondary signal line 131 and these first signal line segments 121,122.
As shown in Figure 5, then, electrically connect this conductor wire that crisscrosses these first signal line segments 121,122 151 and these first signal line segments 121,122 (step S203).At this moment, method for laser welding capable of using comes the overlapping of welding conductor wire 151 and these first signal line segments 121,122, thereby forms weld C, D at above-mentioned overlapping equally, to electrically connect conductor wire 151 and these first signal line segments 121,122.Therefore, path A → C → D → B can form a repairing path, uses to walk around defective d (broken string place) and repair secondary signal line 131.
Please with reference to Fig. 6, it illustrates the local schematic top plan view according to the display panel of the first embodiment of the present invention.Then, utilize these patch cords 140 to repair cut these first signal wires 120 (step S204).At this moment, method for laser welding capable of using comes the overlapping of cut these first signal wires 120 of welding and these patch cords 140, to repair cut these first signal wires 120.Therefore, these first signal wires 120 of display panel 100 can be accomplished to repair with the secondary signal line 131 with defective d and transmit signal.
Please with reference to Fig. 3 and Fig. 7 A, Fig. 7 A illustrates the local schematic top plan view according to the display panel of the first embodiment of the present invention.In the present embodiment, this method for repairing and mending can more comprise step: intercepting one conduction line segment 152 crisscrosses these first signal line segments 121,122 (step S205).At this moment, for example laser capable of using blows conductor wire 151, uses from conductor wire 151 and comes intercepting conduction line segment 152.When conductor wire 151 for example was the shading metal wire, S205 was optional for this step, but can reduce the unnecessary load of the secondary signal line 131 after the repairing.When conductor wire 151 for example was the electric capacity metal wire, this step S205 can avoid secondary signal line 131 and conductor wire 151 situation that is short-circuited.
Please with reference to Fig. 7 B, Fig. 7 B illustrates the local schematic top plan view according to the display panel of the second embodiment of the present invention.It should be noted that in first embodiment first signal line segment 121,122 can be the both sides (shown in Fig. 7 A) adjacent to defective d, that is these first signal line segments the 121, the 122nd, respectively from 120 interceptings of first signal wire of the adjacent both sides of defective d.So be not limited thereto; In a second embodiment; These first signal line segments 121,122 also can lay respectively at the optional position (shown in Fig. 7 B) of defective d both sides, that is these first signal line segments the 121, the 122nd, respectively from 120 interceptings of any first signal wire of defective d both sides.
Therefore, the display panel repairing method of present embodiment can have the secondary signal line 131 of defective d in order to repairing, even this secondary signal line 131 is the sweep trace of horizontal arrangement, also can successfully repair.Thereby the display panel 100 repaired of the method for repairing and mending of present embodiment and the adopting said method problem that can avoid horizontal scanning line (or gate line) to repair, reducing the situation that panel is scrapped, and reduce unnecessary cost consumption.
Please with reference to Fig. 8, it illustrates the schematic top plan view according to the display panel of the third embodiment of the present invention.In the 3rd embodiment; The first signal wire 120a of display panel 100a for example is the sweep trace of horizontal arrangement; And secondary signal line 130a for example is the data line of arranged perpendicular; Likewise, on secondary signal line 131a, have defective d, and form vertical signal thread breakage situation (also being V-line Open).At this moment, these patch cords 140a is disposed on the outer peripheral areas 102, in order to repair the first signal wire 120a.And conductor wire 150a vertically disposes, to be parallel to secondary signal line 131a.Therefore, when repairing secondary signal line 131a, in like manner, above-mentioned method for repairing and mending capable of using is repaired secondary signal line 131a (data line), uses the display panel 100a with defective d can be reused again.
Embodiment by the invention described above can know, display panel repairing method of the present invention can be in order to repairing sweep trace or data line, thereby can reduce the situation that panel is directly scrapped, and reduce unnecessary cost consumption.
In sum; Though the present invention discloses as above with preferred embodiment; But said preferred embodiment is not that the those of ordinary skill in affiliated field is not breaking away from the spirit and scope of the present invention in order to restriction the present invention; All can do various changes and retouching, so protection scope of the present invention is as the criterion with the scope that claim defines.
Claims (12)
1. the method for repairing and mending of a display panel; It is characterized in that: this display panel comprises some first signal wires, some secondary signal lines, at least two patch cords and some conductor wires; Those first signal wires and the mutual vertical interlaced of those secondary signal lines, those patch cords are in order to repair those first signal wires, and this parallel conductive line is in those secondary signal lines; This conductor wire is the shading metal wire; It is provided with for floating state and with those secondary signal lines at interval, and one of them person of those secondary signal lines has defective, and this method for repairing and mending comprises:
Intercepting 2 first signal line segments in 2 first signal wires of the both sides of this defective use forming those first signal line segments between two secondary signal lines of the adjacent both sides of this defective, and at least one this conductor wire crisscross those first signal line segments respectively;
Electric connection has secondary signal line and those first signal line segments of this defective;
Electric connection crisscrosses this conductor wire and those first signal line segments of those first signal line segments; And
Utilize those patch cords to repair cut those first signal wires.
2. method for repairing and mending according to claim 1 is characterized in that: those first signal line segments are adjacent to this defective.
3. method for repairing and mending according to claim 1 is characterized in that: this secondary signal line is a sweep trace.
4. method for repairing and mending according to claim 1 is characterized in that: this secondary signal line is a data line.
5. method for repairing and mending according to claim 1 is characterized in that: the step of this secondary signal line of this electric connection and those first signal line segments is to utilize method for laser welding to carry out.
6. method for repairing and mending according to claim 1 is characterized in that the step of this conductor wire of this electric connection and those first signal line segments is to utilize method for laser welding to carry out.
7. display panel, it is characterized in that: said display panel comprises:
Substrate;
Some first signal wires are arranged on this substrate abreast;
Some secondary signal lines, vertical interlaced are in those first signal wires, and wherein one of them person of those secondary signal lines has defective;
2 first signal line segments are arranged between the two secondary signal lines of both sides of this defective, and are electrically connected at the secondary signal line with this defective respectively, and wherein those first signal line segments are the 2 first signal wire institutes interceptings from the both sides of this defective;
At least one conductor wire is parallel to those secondary signal lines, and this conductor wire is the shading metal wire, and it is for floating state and be electrically connected at those first signal line segments respectively; And
At least two patch cords are electrically connected at those cut first signal wires respectively.
8. display panel according to claim 7 is characterized in that: those first signal line segments are adjacent to this defective.
9. display panel according to claim 7 is characterized in that: this secondary signal line is a sweep trace.
10. display panel according to claim 7 is characterized in that: this secondary signal line is a data line.
11. display panel according to claim 7 is characterized in that: the electric connection of this secondary signal line and those first signal line segments is to utilize Laser Welding (LBW) to fetch realization.
12. display panel according to claim 7 is characterized in that: the electric connection of this conductor wire and those first signal line segments is to utilize Laser Welding (LBW) to fetch realization.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010105365992A CN102012572B (en) | 2008-11-21 | 2008-11-21 | Method for repairing display panel and display panel repaired by same |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2010105365992A CN102012572B (en) | 2008-11-21 | 2008-11-21 | Method for repairing display panel and display panel repaired by same |
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| CN2008102031583A Division CN101408683B (en) | 2008-11-21 | 2008-11-21 | Display panel repairing method and display panel repaired by using the same |
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| CN102012572A CN102012572A (en) | 2011-04-13 |
| CN102012572B true CN102012572B (en) | 2012-07-04 |
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| CN110690225A (en) * | 2019-09-02 | 2020-01-14 | 武汉华星光电半导体显示技术有限公司 | Array substrate, data line breakpoint repairing method thereof and display device |
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