CN100501807C - Array base plate and display panel comprising same, and display device and its repairing method - Google Patents
Array base plate and display panel comprising same, and display device and its repairing method Download PDFInfo
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- CN100501807C CN100501807C CNB2006101542915A CN200610154291A CN100501807C CN 100501807 C CN100501807 C CN 100501807C CN B2006101542915 A CNB2006101542915 A CN B2006101542915A CN 200610154291 A CN200610154291 A CN 200610154291A CN 100501807 C CN100501807 C CN 100501807C
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Abstract
The disclosed array substrate for display comprises a substrate with an active area and peripheral area, multiple signal lines on substrate, and at least one repair structure with a first/second repair line on the peripheral area. Wherein, the second repair line comprises a first branch line, and a second branch line; the first branch lies between the first repair line and second branch.
Description
Technical field
The present invention relates to a kind of array base palte and method for repairing and mending thereof, and particularly relate to a kind of array base palte and method for repairing and mending thereof with patch cord of at least two branch lines.
Background technology
Along with the progress of manufacturing capacity and the increase of consumer demand amount, the flat-panel screens industry has entered the mass-produced stage.In a large amount of processes of making, have the situation that flaw takes place unavoidably and take place.With the thin film transistor base plate in the manufacturing panel is example, need form thousands of, atomic thin signal wire on the minimum glass substrate of area.Therefore segment signal line often taking place because of forming process generation flaw, and produces fracture or the not good problem of signal transmission capabilities in forming process.
Therefore, a kind of patch cord (repair line) just produces in response to this situation.So-called patch cord is exactly in the process that forms metal level, forms the linear structure of crossing over many signal line in the lump.In case certain signal line generation flaw then by burn through patch cord and insulation course, makes the signal wire that flaw takes place be connected with corresponding patch cord, and signal can be transmitted by patch cord.Thus, can simply repair the panel that flaw takes place and become spendable non-defective unit.
But existing repair line structure is owing to cross over many signal wires, can produce RC loading and reduces signal transmission capabilities.And the signal wire of crossing over along with patch cord the more, and the situation that signal reduces is just more serious, makes patch cord can't bring into play the effect of expection.
Summary of the invention
In view of this, purpose of the present invention is exactly in that a kind of array base palte and method for repairing and mending thereof are provided, and patch cord is extended at least two branch lines, and make two branch lines cross over different signal line-groups respectively, effectively reduces the influence that the RC load is caused.
According to purpose of the present invention, a kind of array base palte is proposed, comprise substrate, many signal line and at least one preparing structure.Substrate has active region and in abutting connection with the neighboring area of active region, signal wire is arranged on the substrate.Preparing structure is arranged on the neighboring area, and preparing structure has at least one first patch cord and at least one second patch cord.Second patch cord has first branch line and second branch line, and first branch line is between first patch cord and second branch line.First and second group signal wire of the first patch cord crossover signal line.
According to purpose of the present invention, a kind of method for repairing and mending of array base palte is proposed.Array base palte has many signal line and at least one first patch cord and one second patch cord, and second patch cord has first branch line and second branch line.First group of signal wire of the first branch line crossover signal line, second group of signal wire of the second branch line crossover signal line.Method for repairing and mending comprises: at first, when one of them the signal wire generation defective in first group of signal wire, electrically connect first branch line and signal wire; When wherein another signal wire generation defective in second group of signal wire, electrically connect second branch line and another signal wire.
Another object of the present invention is to provide a kind of display panel, comprises aforesaid array base palte.
Another object of the present invention is to provide a kind of display device, comprises aforesaid array base palte.
For the present invention's above-mentioned purpose, feature and advantage can be become apparent, several preferred embodiments cited below particularly, and conjunction with figs. are described in detail below.
Description of drawings
Figure 1A illustrates the schematic top plan view of first kind of array base palte of the embodiment of the invention;
Figure 1B illustrates among Figure 1A the diagrammatic cross-section along profile line A～A ';
Fig. 1 C illustrates the schematic top plan view of second kind of array base palte of the embodiment of the invention;
Synoptic diagram after the array base palte that Fig. 1 D illustrates the present invention is repaired;
Another synoptic diagram after the array base palte that Fig. 1 E illustrates the present invention is repaired;
Fig. 2 A illustrates the schematic top plan view of first kind of array base palte of the embodiment of the invention two; And
Fig. 2 B illustrates the schematic top plan view of second kind of array base palte of the embodiment of the invention two.
Description of reference numerals
10: thin film transistor (TFT)
11: electric capacity
20,21,22,23: line of cut
100,100a, 200,200a: array base palte
110,210: substrate
112,212: active region
114,214: the neighboring area
120,121,122: signal wire
120a, 220a: first group of signal wire
120b, 220b: second group of signal wire
120c: the 3rd group of signal wire
120d: the 4th group of signal wire
120e, 220c: sweep trace
125,126,127: connection pad
125a, 225a: the first winding pad
125b, 225b: the second winding pad
125c: the 3rd winding pad
125d: the 4th winding pad
125e, 225c: sweep trace connection pad
141,241: the first patch cords
142,242: the second patch cords
142a, 142c, 242a, 242c: first branch line
142b, 242b: second branch line
143: the three patch cords
144: the four patch cords
144a, 144c: three branch
144b: the 4th branch line
Embodiment
Embodiment one
Please refer to Figure 1A, illustrate the schematic top plan view of first kind of array base palte of the embodiment of the invention.Array base palte 100 comprises substrate 110, many signal line 120 and at least one preparing structure 140a.Array base palte 100 can be applied to comprise display panels, organic EL display panel (as: organic LED display panel (OLED), polymer LED panel (PLED)) or other display panel.Substrate 110 comprises transparency carrier (glass, quartz or other material), flexible base plate (as plastics, polyester, poly-methyl propanamide or other material), or light tight substrate (as silicon wafer, pottery or other material).Substrate 110 has active region 112 and in abutting connection with the neighboring area 114 of active region 112, signal wire 120 is arranged on the substrate 110 and connects a plurality of connection pads 125 respectively.In the present embodiment, signal wire 120 comprises data line (data line) and sweep trace (scan line) 120e, and embodiments of the invention are the example explanation with data line (data line).Wherein data line is divided into first group of signal wire 120a, second group of signal wire 120b, the 3rd group of signal wire 120c and the 4th group of signal wire 120d.Sweep trace 120e and data line are arranged in a crossed manner on substrate 110 mutually.Connection pad 125 also comprises the first winding pad 125a, the second winding pad 125b, the 3rd winding pad 125c, the 4th winding pad 125d and sweep trace connection pad 125e.Signal wire 120 can constitute a plurality of pixel regions (not label), shown in the partial enlarged drawing among Figure 1A, forms pixel region by sweep trace 120e and first group of signal wire 120a.Comprise in each pixel region thin film transistor (TFT) (thin film transistor, TFT) 10 and electric capacity 11, electric capacity 11 is coupled to pixel electrode (not illustrating) again.The structure of thin film transistor (TFT) 10 is made of grid, dielectric layer, active layer, source/drain region, protective seam and pixel electrode; and its kenel comprises top gate type (top-gate type), bottom gate type (bottomgate type); comprise breach of faith road etch pattern (back channel etching, BCE) or the structure of etch-stop (Etching-stopper) type or other kenel.The material that constitutes the active layer of TFT can be amorphous silicon, polysilicon, microcrystal silicon, monocrystalline silicon or above-mentioned combination, and also can partly mix doping of P type or N type of active layer.Preparing structure 140a is arranged on the neighboring area 114, and preparing structure 140a has at least one first patch cord 141 and at least one second patch cord 142.Second patch cord 142 has the first branch line 142a and the second branch line 142b, and the first branch line 142a is between first patch cord 141 and the second branch line 142b.In the present embodiment, first group of signal wire 121, second group of signal wire 122, the 3rd group of signal wire 123 and the 4th group of signal wire 124 are connected with the first winding pad 125a, the second winding pad 125b, the 3rd winding pad 125c and the 4th winding pad 125d respectively, and sweep trace 120e then is connected with sweep trace connection pad 125e.Array base palte 100 also can comprise preparing structure 140b, and preparing structure 140b comprises the 3rd patch cord 143 and the 4th patch cord 144 that is arranged on the neighboring area 114.The 4th patch cord 144 has three branch 144a and the 4th branch line 144b, and three branch 144a is between the 3rd patch cord 143 and the 4th branch line 144b.Wherein, first patch cord 141 and the first branch line 142a cross over first group of signal wire 120a and second group of signal wire 120b, and second branch line is only crossed over second group of signal wire 120b; The 3rd patch cord 143 and three branch 144a cross over the 3rd group of signal wire 120c and the 4th group of signal wire 120d, and the 4th branch line 144b only crosses over the 4th group of signal wire 120d.
In addition, first patch cord 141 and second patch cord 142 are arranged on the opposite side of substrate 110 respectively with the 3rd patch cord 143 and the 4th patch cord 144 and are symmetrical structure.
In addition, please refer to Figure 1B, it illustrates among Figure 1A the diagrammatic cross-section along profile line A～A '.In the present embodiment, be that example is done explanation with the array base palte 100 of bottom gate thin film transistor, patch cord and metal level (comprise sweep trace, grid or other) form in the lump.Therefore second patch cord 142 is arranged on the substrate 110, and insulation course 150 is arranged between second patch cord 142 and the signal wire 120.Therefore, in the time will using patch cord 142, with insulation course 150 burn throughs to couple patch cord 142 and signal wire 120.
Please refer to Fig. 1 C, it illustrates the schematic top plan view of second kind of array base palte of the embodiment of the invention.The main difference part of array base palte 100a and array base palte 100 is, the first patch cord 141a and the first branch line 142c of preparing structure 140c only cross over first group of signal wire 120a, and the 3rd patch cord 143a and the three branch 144c of preparing structure 140d only cross over the 3rd group of signal wire 120c.
Please refer to Fig. 1 D, it illustrates the synoptic diagram after array base palte of the present invention is repaired.With array base palte 100 is example, when first group of one of them signal wire of signal wire 120a, when for example defective (defect) takes place data line 121, electrically connects the first branch line 142a and signal wire 121.Ways of connecting is that the insulation course 150 between the patch cord of Figure 1B and the signal wire 120 is run through, and for example directly produces the name a person for a particular job first branch line 142a and signal wire 121 of welding and couple on connection pad 126.And weaken for fear of transmission signals, generally speaking, the second branch line 142b and second patch cord 142 are cut off with line of cut 20; And the first branch line 142a cut off with line of cut 21 in adjacent signal line 121 parts, just the first branch line 142a is cut off between signal wire 121 and next signal line that flaw takes place.Preferably, line of cut 20,21 is finished with cut.
Please refer to Fig. 1 E, another synoptic diagram that it illustrates array base palte of the present invention after repairing.With array base palte 100a is example, when second group of one of them signal wire of data line 120b, when for example defective takes place signal wire 122, electrically connects the second branch line 142b and signal wire 122.Ways of connecting runs through the insulation course 150 between patch cord and the signal wire 120 equally, for example directly produces the name a person for a particular job second branch line 142b and signal wire 122 of welding and couple on connection pad 127.And weaken for fear of transmission signals, generally speaking, the first branch line 142c and second patch cord 142 are cut off with line of cut 22; And the second branch line 142b cut off with line of cut 23 in adjacent signal line 122 parts, just between the signal wire 122 that flaw takes place and next signal line, the second branch line 142b is cut off.It should be noted that, the foregoing description explanation all is to be example with signal wire on one side and with respect to the repairing method of a certain the defective that patch cord was taken place, yet, the signal wire on two limits also take place the repairing method of defective or signal wire generation defective part be with respect to many patch cords also applicable it, be not limited to this.
Embodiment two
Please refer to Fig. 2 A and Fig. 2 B, it illustrates the schematic top plan view of first kind of array base palte of the embodiment of the invention two respectively.Array base palte 200,200a have two first patch cords 241 and second patch cord 242.With array base palte 200 is example, and substrate 210 has active region 212 and in abutting connection with the neighboring area 214 of active region 212, sweep trace 220c and first group of signal wire 220a and second group of signal wire 220b are vertically installed on the substrate 210 mutually.First group of signal wire 220a and second group of signal wire 220b connect the first winding pad 225a and the second winding pad 225b of connection pad 225 respectively, and sweep trace 220c connects sweep trace connection pad 225c.Preparing structure 240 is arranged on the neighboring area 214, and preparing structure 240 has first patch cord 241 and second patch cord 242.Second patch cord 242 has the first branch line 242a and the second branch line 242b, and the first branch line 242a is between first patch cord 241 and the second branch line 242b.In the present embodiment, signal wire 220 is divided into first group of signal wire 220a, second group of signal wire 220b and sweep trace 220c, is connected with the first winding pad 225a and the second winding pad 225b of connection pad 250 respectively.First patch cord 241 and the first branch line 242a cross over first group of signal wire 220a and second group of signal wire 220b, and the second branch line 242b only crosses over second group of signal wire 220b.And the main difference part of array base palte 200a and array base palte 200 is that the first branch line 242c of preparing structure 240a only crosses over first group of signal wire 220a.
During as for the signal wire generation flaw of present embodiment, use the method that patch cord is repaired, roughly the same with embodiment do not given unnecessary details at this.
Yet the those of ordinary skill of the technical field under the present invention, technology of the present invention as can be known is not limited thereto.For example, signal wire can be numbered and be divided into groups with odd number-even number (odd-even), corresponding different respectively repairing branch lines.Also signal wire can be divided into groups, and make not signal wire on the same group form different length, will repair branch line and form stepped correspondence with it, all belong to scope of the present invention.Under the substrate area permission, when preferably adopting the display module of chip on the film (COF:chip on film) structure, be suitable for the structure of embodiment, yet, be not limited to this; Limited in substrate area, can't patch cord be set at the sweep trace input end, when preferably adopting the display module of glass top chip (COG:chip on glass) structure, be suitable for the structure of embodiment two, yet, be not limited to this.Though and the foregoing description is that example is done explanation so that data line is repaired, in fact the present invention also can repair sweep trace.
Moreover the above embodiments of the present invention can be applicable in the display device.Display device comprises screen, TV, mobile computer, touch panel (touch panel), display screen (as: the mobile phone of portable electric product, digital camera, digital VTR, digital audio-video is dialled the machine of putting, digital secretary (as: PDA (personal digital assistant), blackberry (black berry), or other similar products like), handheld game device (as: GameBoy, PSP (playstation portable), Nintendo DS Lite, or other similar game machine)), the automobile AV device, outdoor or indoor display board, outdoor or indoor indicator boards etc. are various for the display device that show.Except above-mentioned display device utilization type, also comprise different types of display device, comprise organic light emitting diode display (Organic Light-Emitting DiodesDisplay; OLED), plasma scope (Plasma Display Panel; PDP), LCD (Liquid Crystal Display; LCD) and Field Emission Display (Field Emission Display; FED) etc.
Disclosed array base palte of the above embodiment of the present invention and method for repairing and mending thereof on one of them bar patch cord, extend at least two branch lines.Each branch line correspondence is on the same group signal wire not.Therefore the signal wire quantity of each branch line leap reduces, and can reduce the signal attenuation that is produced because of the RC load, makes patch cord can bring into play the effect of expection.
The above embodiments only are used for exemplifying embodiment of the present invention, and explain technical characterictic of the present invention, are not to be used for limiting category of the present invention.Any those skilled in the art can unlabored change or the arrangement of the identity property scope that all belongs to the present invention and advocated, and interest field of the present invention should be as the criterion with the scope of claim.
Claims (31)
1. array base palte comprises:
Substrate has active region and in abutting connection with the neighboring area of this active region;
Many signal line are arranged on this substrate; And
At least one preparing structure, be arranged on this neighboring area, and this preparing structure has at least one first patch cord and at least one second patch cord, wherein, this second patch cord has first branch line and second branch line, this first branch line is between this first patch cord and this second branch line, and this first patch cord is crossed over first group of signal wire and second group of signal wire of described signal wire, and this first branch line and this second branch line correspondence be on the same group signal wire not.
2. array base palte as claimed in claim 1, wherein said signal wire connects a plurality of connection pads respectively.
3. array base palte as claimed in claim 1, this first branch line is wherein crossed over this first group of signal wire and this second group of signal wire of described signal wire.
4. array base palte as claimed in claim 3, this second branch line is wherein crossed over this second group of signal wire of described signal wire.
5. array base palte as claimed in claim 1, wherein, this preparing structure also comprises the 3rd patch cord and the 4th patch cord, the 3rd patch cord and the 4th patch cord are arranged on this neighboring area, and the 4th patch cord has three branch and the 4th branch line, and this three branch is between the 3rd patch cord and the 4th branch line.
6. array base palte as claimed in claim 5, the 3rd patch cord is wherein crossed over the 3rd group of signal wire and the 4th group of signal wire of described signal wire.
7. array base palte as claimed in claim 6, this three branch is wherein crossed over the 3rd group of signal wire and the 4th group of signal wire of described signal wire.
8. array base palte as claimed in claim 7, the 4th branch line is wherein crossed over the 4th group of signal wire of described signal wire.
9. array base palte as claimed in claim 5, the 3rd patch cord is wherein crossed over the 3rd group of signal wire of described signal wire.
10. array base palte as claimed in claim 9, this three branch is wherein crossed over the 3rd group of signal wire of described signal wire.
11. array base palte as claimed in claim 10, the 4th branch line is wherein crossed over the 4th group of signal wire of described signal wire.
12. array base palte as claimed in claim 5, wherein this first patch cord and this second patch cord are arranged at respectively on the opposite side of this substrate with the 3rd patch cord and the 4th patch cord.
13. array base palte as claimed in claim 5, wherein this first patch cord and this second patch cord, with the 3rd patch cord and the 4th patch cord be symmetry.
14. the method for repairing and mending of an array base palte, this array base palte has many signal line, with at least one first patch cord and one second patch cord, and this second patch cord has first branch line and second branch line, this first branch line is crossed over first group of signal wire of described signal wire, this second branch line is crossed over second group of signal wire of described signal wire, this first patch cord is crossed over first group of signal wire and second group of signal wire of described signal wire, this first branch line and this second branch line correspondence be on the same group signal wire not, and this method for repairing and mending comprises:
(a) when one of them the signal wire generation defective in this first group of signal wire, electrically connect this first branch line and this signal wire; And
(b) when wherein another signal wire generation defective in this second group of signal wire, electrically connect this second branch line and another this signal wire.
15. method for repairing and mending as claimed in claim 14, wherein step (a) also comprises:
(a1) cut off this second branch line.
16. method for repairing and mending as claimed in claim 14, wherein this array base palte also is included in the insulation course between this first patch cord, this second patch cord and the described signal wire, and step (a) also comprises:
(a2) run through this insulation course; And
(a3) this first branch line of welding and this signal wire.
17. method for repairing and mending as claimed in claim 16 wherein also comprises after the step (a3):
(a4) cut off this first branch line in contiguous this signal wire part.
18. method for repairing and mending as claimed in claim 14, wherein step (b) also comprises:
(b1) cut off this first branch line.
19. method for repairing and mending as claimed in claim 18, wherein this array base palte also is included in the insulation course between this first patch cord, this second patch cord and the described signal wire, and step (b) also comprises:
(b2) run through this insulation course; And
(b3) this second branch line of welding and another this signal wire.
20. method for repairing and mending as claimed in claim 19 wherein also comprises after the step (b3):
(b4) cut off this second branch line in contiguous another this signal wire part.
21. an array base palte comprises:
Substrate;
Many signal line are arranged on this substrate; And
At least one preparing structure, be arranged on this substrate, and this preparing structure has at least one first patch cord and at least one second patch cord, this second patch cord has first branch line and second branch line, this first branch line is between this first patch cord and this second branch line, this first patch cord is crossed over first group of signal wire and second group of signal wire of described signal wire, and this first branch line and this second branch line correspondence be on the same group signal wire not;
Wherein, one of at least person of this first branch line and this second branch line sees through at least one welding point and one of them welding of described signal wire, and this first patch cord, this first branch line and this second branch line has one of at least at least one line of cut.
22. array base palte as claimed in claim 21, this first branch line is wherein crossed over first group of signal wire of described signal wire.
23. array base palte as claimed in claim 22, wherein this first branch line sees through this welding point and the signal wire welding wherein of this first group of signal wire, and this line of cut, is positioned on this second branch line.
24. array base palte as claimed in claim 22, wherein this line of cut is adjacent to this welding point place on this first branch line.
25. array base palte as claimed in claim 22, this second branch line is wherein crossed over second group of signal wire of described signal wire.
26. array base palte as claimed in claim 25, wherein this second branch line sees through this welding point and this one of them signal wire welding of second group of signal wire, and this line of cut, is positioned on this first branch line.
27. array base palte as claimed in claim 25, wherein this line of cut is adjacent to this welding point place on this second branch line.
28. a display panel comprises array base palte as claimed in claim 1.
29. a display device comprises array base palte as claimed in claim 1.
30. a display panel comprises array base palte as claimed in claim 21.
31. a display device comprises array base palte as claimed in claim 21.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2006101542915A CN100501807C (en) | 2006-09-20 | 2006-09-20 | Array base plate and display panel comprising same, and display device and its repairing method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2006101542915A CN100501807C (en) | 2006-09-20 | 2006-09-20 | Array base plate and display panel comprising same, and display device and its repairing method |
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| Publication Number | Publication Date |
|---|---|
| CN1928954A CN1928954A (en) | 2007-03-14 |
| CN100501807C true CN100501807C (en) | 2009-06-17 |
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| CNB2006101542915A Active CN100501807C (en) | 2006-09-20 | 2006-09-20 | Array base plate and display panel comprising same, and display device and its repairing method |
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| WO2018068183A1 (en) * | 2016-10-10 | 2018-04-19 | Boe Technology Group Co., Ltd. | Display panel, display apparatus, and method of repairing a signal line thereof |
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