CN101408681B - Display panel - Google Patents
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- CN101408681B CN101408681B CN200810203155XA CN200810203155A CN101408681B CN 101408681 B CN101408681 B CN 101408681B CN 200810203155X A CN200810203155X A CN 200810203155XA CN 200810203155 A CN200810203155 A CN 200810203155A CN 101408681 B CN101408681 B CN 101408681B
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- patch cord
- display panel
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Abstract
The invention provides a displaying panel. The displaying panel can detect the mended circuit strictly to avoid detection missing. The displaying panel comprises a base plate, a plurality of signal lines, a first mending line, a second mending line and a third mending line; the signal lines are arranged on the base plate, the first mending line and the second mending line are arranged at two opposite sides of the signal lines, and the third mending line is connected with or partially overlapped on the first mending line and the second mending line.
Description
Technical field
The present invention relates to a kind of display panel, but particularly relate to a kind of display panel of display panel of fix-up circuit.
Background technology
See also Figure 10 A, it illustrates the schematic top plan view of existing display panel.Usually, display panel 900 (for example display panels) has a glass infrabasal plate 910.Be formed with a plurality of pixel circuits (not illustrating), many signal line 920 (for example sweep trace and data line) on this glass infrabasal plate 910.Each picture element receives the controlling signal (for example sweep signal and pixel voltages) of driving circuit assembly 930 (as drive IC) respectively via signal lines, thereby these a little signal wires 920 can form a viewing area 901 with pixel circuit on this glass infrabasal plate 910.
In addition, this glass infrabasal plate more can be provided with many patch cords (Repair Line) 940, or claims rescue line (Rescue Line).These a little patch cords 940 are partly to be formed at also partly to be overlapped in this a little signal wires 920 on the glass infrabasal plate 910, in order to circuit as an alternative when breaking phenomenas take place for signal wire 920, that is be sent in the later pixel circuit of trip point 902 in order to controlling signal is changed by patch cord 940.
See also Figure 10 B, it illustrates existing schematic top plan view with display panel of p-wire.At present, whether the signal wire 920 of detection display panel 900 breaking phenomena takes place or goes bad the mode of putting and can utilize p-wire (Shorting Bar) 950 to connect a signal wire 920 and a test cell (not illustrating), test to signal wire 920 with input test signal, there are trip point or bad point to exist if detect signal wire 920, then utilize patch cord 940 to repair.Follow-up, excise p-wire 950 again, and in conjunction with driving circuit assembly 930 (shown in Figure 10 A).Yet, because the test signal of p-wire 950 is to be directly inputted in the signal wire 920 to test, and the fullpath after not repairing by panel, the welding point 903 of part patch cord for example, thereby whether the panel that can't use test line 950 positively detects after repairing repair success, also can't judge the repairing yield of panel exactly.
Summary of the invention
The object of the present invention is to provide a kind of display panel, this display panel can positively carry out the detection behind the circuit mending, avoids taking place the situation of omission, and can judge the repairing yield of panel exactly.
For reaching above-mentioned purpose, the present invention adopts following technical scheme: a kind of display panel, and it comprises:
Substrate;
Many signal line are arranged on the described substrate;
First patch cord is arranged at the input field of described signal wire, and partly is overlapped in described signal wire, and described first patch cord has splicing ear;
Second patch cord be arranged at the tail region of described signal wire to small part, and part is overlapped in described signal wire;
The 3rd patch cord, be arranged on the substrate, be used for connecting or part is overlapped in described first patch cord and described second patch cord, wherein said the 3rd patch cord part circuit at least is positioned at the outside of the input terminal of described signal wire, and described the 3rd patch cord has at least one truncation points; And
The driving circuit assembly has conduction path and amplifier, and conduction path connects described first patch cord and described second patch cord, and conduction path is connected with the splicing ear of first patch cord; Amplifier is arranged in the described conduction path.
Compared to prior art, display panel of the present invention can positively carry out the detection behind the circuit mending, avoids taking place the situation of omission, and can judge the repairing yield of panel exactly.
For foregoing of the present invention can be become apparent, preferred embodiment cited below particularly, and cooperate appended graphicly, be described in detail below:
Description of drawings
Fig. 1, Fig. 2 and Fig. 3 show the schematic top plan view according to the display panel of one embodiment of the invention;
Fig. 4 shows the schematic top plan view according to the display panel with short-circuit test line of one embodiment of the invention;
Fig. 5 shows the schematic top plan view according to the display panel with chopping signal line of one embodiment of the invention;
Fig. 6 shows the schematic top plan view according to the display panel with amplifier of one embodiment of the invention;
Fig. 7 shows the schematic top plan view of blocking the display panel behind the 3rd patch cord according to one embodiment of the invention;
Fig. 8 shows the schematic top plan view that the display panel behind the driving circuit assembly is set according to one embodiment of the invention; And
Fig. 9 shows the schematic top plan view according to the display panel of another embodiment of the present invention;
Figure 10 A shows the schematic top plan view according to existing display panel; And
Figure 10 B shows the schematic top plan view that has the display panel of p-wire according to existing.
Embodiment
Please refer to Fig. 1, it illustrates the schematic top plan view according to the display panel of one embodiment of the invention.
The display panel 100 of present embodiment can be applicable on the various display, for example: LCD (Liquid Crystal Display, LCD), display of organic electroluminescence (Organic ElectroLuminescence Display, OEL), organic light emitting diode display (Organic Light EmissionDiode Display, OLED), Plasmia indicating panel (Plasma Display Panel, PDP), field emission display (Field Emission Display), nano carbon tube display or electric ink (E-ink) display etc.In the present embodiment, display panel 100 is to be that example illustrates with the display panels, and at this moment, display panel 100 can not be provided with respect to a 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 shown in Figure 1, the display panel 100 of present embodiment comprises substrate 110, many signal line 120, first patch cord 130, second patch cord 140 and the 3rd patch cord 150.Substrate 110 can be brittle base (for example glass substrate) or flexible base plate (for example plastic base), in one embodiment, substrate 110 for example is thin film transistor (TFT) (Thin Film Transistor, TFT) matrix base plate, at this moment, display panel 100 can for example be a display panels, and it can more comprise liquid crystal layer (not illustrating) and colored filter (Color Filter, CF) substrate (not illustrating).These signal wires 120 on the placement substrate 110, pass a viewing area 101, in order to show image abreast.Each signal wire 120 has input terminal 121, in order to input signal, for example: sweep signal, data-signal or test signal.Wherein viewing area 101 can be provided with a plurality of picture elements (not illustrating) and a plurality of driving component (not illustrating).At least one side of viewing area 101 can form outer peripheral areas 102, in order to driving circuit assembly 160 electronic packages such as (for example drive IC) (please earlier with reference to Fig. 8) for example to be set, or the space that provides circuit to lay.In the present embodiment, signal wire 120 for example is a plurality of sweep traces (not illustrating) and a plurality of data lines, and it is respectively abreast on the placement substrate 110, and interlaced in the viewing area 101.And these signal wires 120 can form input field 103 and tail region 104, input field 103 is sides that are positioned at these signal wires 120, and between the input terminal 121 and viewing area 101 of signal wire 120, tail region 104 is the relative opposite sides that are positioned at these signal wires 120.
Please refer to Fig. 2, it illustrates the schematic top plan view according to the display panel of one embodiment of the invention.First patch cord 130 of present embodiment is the input field 103 that is arranged at these signal wires 120, and part is overlapped in first end of these signal wires 120.Second patch cord 140 is the tail regions 104 that are arranged at these signal wires 120 to small part, and part is overlapped in second end of these signal wires 120.The 3rd patch cord 150 is to be arranged at outer peripheral areas 102, and connect (as shown in Figure 2) or partly be overlapped in (as shown in Figure 1) first patch cord 130 and second patch cord 140, wherein the circuit of part at least 152 of the 3rd patch cord 150 is the outsides that are positioned at the input terminal 121 of signal wire 120.The outside of described input terminal 121 is meant that with input terminal 121 be boundary, with respect to the opposite side of viewing area 101.The truncation points 151 that the 3rd patch cord 150 has at least one truncation points 151, the three patch cords 150 preferably is formed at the outside of the input terminal 121 of signal wire 120, blocks the 3rd patch cord 150 after carrying out circuit test at display panel 100.In one embodiment, after display panel 100 carries out circuit test, can come cut-out substrate 110 (please earlier with reference to Fig. 7) along the outside of the input terminal 121 of signal wire 120, with the truncation points 151 that forms the 3rd patch cord 150.In another embodiment, after display panel 100 carries out circuit test, for example can utilize that laser blows this truncation points 151, with the truncation points 151 that forms the 3rd patch cord 150.
Please refer to Fig. 3, it illustrates the schematic top plan view according to the display panel of one embodiment of the invention.First patch cord 130, second patch cord 140 or the 3rd patch cord 150 that it should be noted that present embodiment can be continuous conductors or is made of a plurality of conducting line segment.When first patch cord 130, second patch cord 140 or the 3rd patch cord 150 are when being made of a plurality of conducting line segment, these conducting line segments are that part overlaps mutually.
Please refer to Fig. 4, it illustrates the schematic top plan view according to the display panel with short-circuit test line of one embodiment of the invention.When display panel 100 carries out circuit test, can utilize a test cell or test macro (not illustrating) to come the input terminal 121 of input test signal in signal wire 120, whether normal with test signal line 120.As shown in Figure 4, in one embodiment, display panel 100 more comprises many short-circuit test lines 170 (Shorting Bar), and it is arranged on the substrate 110, and be positioned at the outside of the input terminal 121 of signal wire 120, use after display panel 100 tests and be removed or block (for example cut).Short-circuit test line 170 is to be electrically connected at test cell or test macro, and every short-circuit test line 170 is to be connected in segment signal line 120, in order to the input terminal 121 of input test signal in signal wire 120.Whether in one embodiment, display panel 100 is provided with three short-circuit test lines 170, normal in order to survey the red sub-picture element (not illustrating), green sub-picture element (not illustrating) and the blue sub-picture element (not illustrating) that consolidate in the viewing area 101 respectively.
Please refer to Fig. 5, it illustrates the schematic top plan view according to the display panel with chopping signal line of one embodiment of the invention.When display panel 100 detect in these signal wires 120 wherein one display panel 100 is carried out circuit mending when having trip point 122 or bad point, wherein this signal wire 120 with trip point 122 or bad point promptly forms chopping signal line 123.At this moment, electrically connect the chopping signal line 123 and first patch cord 130, and electrically connect the chopping signal line 123 and second patch cord 140, to carry out circuit mending.At this moment, overlapping place that can utilize laser to come the welding chopping signal line 123 and first patch cord 130, and overlapping place of the chopping signal line 123 and second patch cord 140, thereby at above-mentioned overlapping place formation welding point 124.Then, when the 3rd patch cord 150 parts are overlapped in first patch cord 130 and second patch cord 140, can utilize laser to come overlapping place of welding the 3rd patch cord 150 and first patch cord 130, and overlapping place of the 3rd patch cord 150 and second patch cord 140, electrically connect the 3rd patch cord 150 and first patch cord 130 to form welding point 153, and electrically connect the 3rd patch cord 150 and second patch cord 140.
As shown in Figure 5, behind display panel 100 circuit mendings, then, again display panel 100 is carried out circuit test, whether repair success with test display panel 100.At this moment, but input test signal is in the input terminal 121 of chopping signal line 123, test signal can be in regular turn via input terminal 121, first patch cord 130, the 3rd patch cord 150 and second patch cord 140 of chopping signal line 123, and then send back chopping signal line 123, whether repair success with test both opens signal wire 123.Therefore, in the test process after display panel 100 is repaired, test signal can be passed through complete patch cord path (first patch cord 130, second patch cord 140), thereby positively whether test both opens signal wire 123 repairs success.
Please refer to Fig. 6, it illustrates the schematic top plan view according to the display panel with amplifier of one embodiment of the invention.In one embodiment, display panel 100 more can comprise amplifier 180, and it is arranged in the signal path (first patch cord 130, second patch cord 140 or the 3rd patch cord 150) of above-mentioned patch cord, in order to amplifying signal, to improve problem of signal attenuation.
Please refer to Fig. 7 and Fig. 8, Fig. 7 illustrates the schematic top plan view of blocking the display panel behind the 3rd patch cord according to one embodiment of the invention, and Fig. 8 illustrates the schematic top plan view that the display panel behind the driving circuit assembly is set according to one embodiment of the invention.After display panel 100 after this repairs carries out circuit test, then,, block the 3rd patch cord 150 when confirming that chopping signal line 123 repaired when successful, at this moment, but cut-out substrate 110 or utilize laser to blow this truncation points 151.Then, driving circuit assembly 160 is set on the outer peripheral areas 102 of display panel 100, and is electrically connected at signal wire 120.Driving circuit assembly 160 for example is driving circuit, chip for driving, FPC (Flexible PrintedCircuits, FPC), printed circuit board (PCB) (Printed circuit board, PCB), printed circuit board (PCB) assembly (Printed-Circuit Board Assembly, PCBA), crystal grain mantle (COF), coil type packaged film (TAB) or above-mentioned combination in any, its can utilize crystal grain mantle structure packing technique (COF), glass flip chip joining technique (COG) or automatically band carry a solder technology (TAB) and be arranged on the outer peripheral areas 102 of display panel 100.Driving circuit assembly 160 has conduction path 161, in order to be electrically connected at first patch cord 130 and second patch cord 140.In the present embodiment, first patch cord 130 can have splicing ear, with an end of the conduction path 161 that is connected in driving circuit assembly 160, the other end of conduction path 161 can be connected in by the 3rd patch cord 150 of the part after blocking, or is directly connected in second patch cord 140.In one embodiment, driving circuit assembly 160 can comprise amplifier 162, and it is arranged in the conduction path 161, in order to amplifying signal.
Therefore, the display panel 100 of present embodiment can utilize the 3rd patch cord 150 to form the signal path of patch cord, whether repairs success with the display panel 100 that positively detects after repairing, and avoids taking place the situation of omission.Wherein, the 3rd patch cord 150 can be blocked in patch cord test back.
Please refer to Fig. 9, it illustrates the schematic top plan view according to the display panel of another embodiment of the present invention.In another embodiment, the first patch cord 130a can repair line segment 131a by a plurality of first and be formed, at this moment, the 3rd patch cord 150a is the outside that is arranged at the input terminal 121 of signal wire 120, and connect or part is overlapped in these and first repairs line segment 131a, and the end of the second patch cord 140a is a side that extends to input field 103, is overlapped in the 3rd patch cord 150a with connection or part.After the display panel after the repairing 100 is tested, can come cut-out substrate 110 along the outside (that is along dotted line C) of input terminal 121, thereby remove the 3rd patch cord 150a simultaneously.
By the embodiment of the invention described above as can be known, the signal path that display panel of the present invention can be pre-formed patch cord positively carries out the detection behind the circuit mending, avoids taking place the situation of omission, thereby can judge the repairing yield of panel exactly.
In sum; though the present invention discloses as above with preferred embodiment; but described preferred embodiment is not in order to restriction the present invention; those of ordinary skill in the field; without departing from the spirit and scope of 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 (6)
1. display panel, it is characterized in that: described display panel comprises:
Substrate;
Many signal line have an input field and a tail region, are arranged on the described substrate;
First patch cord is arranged at the input field of described signal wire, and partly is overlapped in described signal wire, and described first patch cord has splicing ear;
Second patch cord be arranged at the tail region of described signal wire to small part, and part is overlapped in described signal wire;
The 3rd patch cord, be arranged on the substrate, be used for connecting or part is overlapped in described first patch cord and described second patch cord, wherein said the 3rd patch cord part circuit at least is positioned at the outside of the input terminal of described signal wire, and described the 3rd patch cord has at least one truncation points; And
The driving circuit assembly has conduction path and amplifier, and conduction path connects described first patch cord and described second patch cord, and conduction path is connected with the splicing ear of first patch cord; Amplifier is arranged in the described conduction path.
2. display panel according to claim 1, it is characterized in that: the chopping signal line that comprises trip point in described many signal line, described first patch cord electrically connects described chopping signal line in described input field, described second patch cord electrically connects described chopping signal line in described tail region.
3. display panel according to claim 2 is characterized in that: described first patch cord and described chopping signal line have the welding point in overlapping place; Described second patch cord and described chopping signal line have the welding point in overlapping place.
4. display panel according to claim 3, it is characterized in that: described the 3rd repair line part is overlapped in described first patch cord and described second patch cord, described the 3rd patch cord and described first patch cord have the welding point in overlapping place, and described the 3rd patch cord and described second patch cord have the welding point in overlapping place.
5. display panel according to claim 1 is characterized in that: described display panel more comprises:
Many short-circuit test lines are arranged on the described substrate, are positioned at the outside of the input terminal of described signal wire; Every described short-circuit test line connects the part bar in described many signal line.
6. display panel according to claim 1 is characterized in that: described first patch cord, described second patch cord or described the 3rd patch cord are to be made of the multistage lead.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200810203155XA CN101408681B (en) | 2008-11-21 | 2008-11-21 | Display panel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200810203155XA CN101408681B (en) | 2008-11-21 | 2008-11-21 | Display panel |
Publications (2)
| Publication Number | Publication Date |
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| CN101408681A CN101408681A (en) | 2009-04-15 |
| CN101408681B true CN101408681B (en) | 2010-06-16 |
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| CN200810203155XA Active CN101408681B (en) | 2008-11-21 | 2008-11-21 | Display panel |
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Families Citing this family (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI405016B (en) | 2010-08-25 | 2013-08-11 | Au Optronics Corp | Display panel |
| CN101950110B (en) * | 2010-09-03 | 2013-03-27 | 友达光电股份有限公司 | Display panel |
| US8866985B2 (en) | 2011-05-23 | 2014-10-21 | Shenzhen China Star Optoelectronics Technology Co., Ltd. | Display panel and repair method thereof |
| CN102402089A (en) * | 2011-12-02 | 2012-04-04 | 深圳市华星光电技术有限公司 | Liquid crystal display device and method for repairing disconnected lines |
| CN103135265B (en) * | 2011-12-05 | 2015-09-16 | 上海中航光电子有限公司 | The repair line of liquid crystal indicator and restorative procedure thereof |
| CN102707475B (en) * | 2012-05-30 | 2015-02-11 | 深圳市华星光电技术有限公司 | Manufacturing method and repair wire structure of display panel |
| WO2014026321A1 (en) * | 2012-08-13 | 2014-02-20 | 深圳市华星光电技术有限公司 | Two-dimensional display panel and repairing method thereof |
| TWI498627B (en) * | 2013-09-27 | 2015-09-01 | Au Optronics Corp | Display, repair method of displays and manufacture method of displays |
| CN104407481B (en) * | 2014-12-09 | 2017-05-10 | 京东方科技集团股份有限公司 | Array substrate, detection method of failure of signal line, display panel and display device |
| CN106297646A (en) * | 2015-05-20 | 2017-01-04 | 上海和辉光电有限公司 | A kind of array base palte and restorative procedure thereof |
| CN104898341B (en) * | 2015-06-05 | 2018-10-09 | 南京中电熊猫液晶显示科技有限公司 | Repair wire structure of liquid crystal display panel |
| CN105575305B (en) * | 2016-03-17 | 2018-10-30 | 京东方科技集团股份有限公司 | A kind of signal wire broken wire repairing circuit, method and display panel |
| CN107340659A (en) * | 2017-06-20 | 2017-11-10 | 惠科股份有限公司 | A kind of restorative procedure of display panel, display device and display panel |
| CN108172599A (en) * | 2017-12-21 | 2018-06-15 | 武汉华星光电半导体显示技术有限公司 | AMOLED display panels and its restorative procedure |
| CN108538863B (en) * | 2018-05-17 | 2021-09-17 | 京东方科技集团股份有限公司 | Display substrate, repairing method thereof and display device |
| CN109637996B (en) * | 2018-12-18 | 2021-04-02 | 武汉华星光电半导体显示技术有限公司 | OLED display panel |
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