CN108172599A - AMOLED display panels and its restorative procedure - Google Patents
AMOLED display panels and its restorative procedure Download PDFInfo
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- CN108172599A CN108172599A CN201711395719.XA CN201711395719A CN108172599A CN 108172599 A CN108172599 A CN 108172599A CN 201711395719 A CN201711395719 A CN 201711395719A CN 108172599 A CN108172599 A CN 108172599A
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- area
- data line
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K59/00—Integrated devices, or assemblies of multiple devices, comprising at least one organic light-emitting element covered by group H10K50/00
- H10K59/10—OLED displays
- H10K59/12—Active-matrix OLED [AMOLED] displays
- H10K59/131—Interconnections, e.g. wiring lines or terminals
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K59/00—Integrated devices, or assemblies of multiple devices, comprising at least one organic light-emitting element covered by group H10K50/00
- H10K59/10—OLED displays
- H10K59/12—Active-matrix OLED [AMOLED] displays
- H10K59/1201—Manufacture or treatment
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- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
- Manufacturing & Machinery (AREA)
- Electroluminescent Light Sources (AREA)
Abstract
The invention discloses a kind of AMOLED display panels and its restorative procedures, the AMOLED display panels include viewing area and periphery circuit area, data line is set in the viewing area, the periphery circuit area includes first area, second area and third region, one end of the data line extends to first area, and the other end extends to second area；Repair line is provided in the periphery circuit area, the repair line extends to the second area from the first area via the third region, the repair line intersects in the first area with data line insulation, and the repair line intersects in the second area with data line insulation；The repair line is configured as the data line and occurs to repair the data line during short circuit in the viewing area.The present invention can repair the data line for poor short circuit occur, will show in picture that there is the abnormal pixel of display is reduced in acceptable range, improves the yield of final products.
Description
Technical field
The present invention relates to display technology fields, more particularly to a kind of AMOLED display panels and its restorative procedure.
Background technology
FPD is widely used in each electronic product such as TV, computer, tablet computer and smart mobile phone, in electricity
Have the function of in sub-information industry very important.As the emerging representative of FPD, AMOLED (Active Matrix
Organic Light Emitting Diode, active matrix organic light-emitting diode) display panel has from main light emission, visual angle
It is wide, bright in luster, contrast is high, operating temperature range is wide and the advantages that suitable for Flexible Displays, growth momentum is swift and violent in recent years.
AMOLED display panels include crisscross data line and scan line, further include positioned at data line and scan line
Intersection region dot structure, multiple dot structures in matrix array arrange.One typical AMOLED dot structure is by two
A thin film transistor (TFT) (2T, T represent Transistor), a storage capacitance (1C, C represent Capacitor) and organic light emission two
Pole pipe OLED is formed, in 2T1C structures.Wherein, a transistor is as switching tube, for control data line to storage capacitance into
The access of row charging；Another transistor then as driving tube, receives driving power (Vdd) and provides driving electricity for OLED
Stream；Storage capacitance is then mainly used for being applied to the driving voltage of driving tube grid in the maintenance of OLED glow phases.Wherein, in order to
Dot structure inputs driving power, further includes a plurality of power cord in AMOLED display panels, typically each row dot structure is matched
A power cord is equipped with, an identical power cord is all connected to positioned at all pixels structure of same row, from the power cord
Obtain driving power.
With AMOLED display panels PPI (Pixels Per Inch, the number of pixels that per inch is possessed) increasingly
Height, the spacing of signal lead is less and less in display panel, and it is one in display panel that with other signal wires short circuit, which occurs, for data line
The defects of kind relatively conventional, particularly data line and the problem of short circuit occurs with its power cord side by side.Refering to Fig. 1 and Fig. 2, by
In AMOLED display panels there are electrically conductive particles (particle) 1, electrically conductive particles 1 can cause adjacent data line 2 and power cord 3
Occur short-circuit (the phenomenon that such may also can be happened between data line and other signal wires).Data line 2 occurs short circuit and then can
The display of a column of pixels Px being connect with the data line 2 is caused all to be abnormal, as shown in Fig. 2, being formed in picture is shown
Line defect 4 (correspond to a column of pixels), it is such the defects of be unacceptable, there are the AMOLED display panels of line defect 4
It will be judged as defective work.
Invention content
In view of this, the present invention provides a kind of AMOLED display panels and its restorative procedure, by there is short circuit not
Good data line is repaired, and will show in picture that there is the abnormal pixel of display is reduced in acceptable range, improves most
The yield of finished product.
In order to realize above-mentioned purpose, present invention employs following technical solutions：
A kind of AMOLED display panels including viewing area and periphery circuit area, set data line in the viewing area, described
Periphery circuit area includes first area and the second area of the opposite sides positioned at the viewing area, further includes connection described first
Region and the third region of second area, one end of the data line extend to the first area, the data line it is another
End extends to the second area；
Repair line is provided in the periphery circuit area, the repair line is from the first area via the third region
The second area is extended to, the repair line intersects in the first area with data line insulation, the repair line
Intersect in the second area with data line insulation；The repair line is configured as the data line in the display
Occur to repair the data line during short circuit in area.
Wherein, when short circuit occurs in the viewing area for the data line, the number is cut off in the position that short circuit occurs
According to line, the data line is divided into the first segment data line including extending to the first area and extends to secondth area
The second segment data line in domain, the repair line are electrically connected to the first segment data line, the reparation in the first area
Line is electrically connected to the second segment data line in the second area.
Wherein, the periphery circuit area is provided with a plurality of repair line.
Wherein, the periphery circuit area is provided with 5~10 repair lines.
Wherein, the repair line and the data line bit are in different structure sheafs, the repair line and the data line
Between be provided with interlayer insulating film.
Wherein, the power cord with the data line parallel arranged is provided in the viewing area, the data line is described
Short circuit occurs in viewing area to refer to short cut with each other between the data line and the power cord.
Wherein, the first driving unit is provided on the first area and is fanned out to cabling, the data line passes through the fan
Go out cabling and be connected to first driving unit, the repair line is located at the cabling and described of being fanned out in the first area
Between viewing area.
Wherein, first driving unit is chip on film.
The present invention also provides a kind of restorative procedure of AMOLED display panels as described above, including：Obtain data
The position of short circuit occurs in viewing area for line；The data line is cut off in the position that short circuit occurs, the data line is divided into
Including extending to the first segment data line of the first area and extending to the second segment data line of the second area；Described
The repair line is electrically connected to the first segment data line by first area；It is in the second area, the repair line is electric
Property is connected to the second segment data line.
Wherein, using laser cutting parameter, the data line is cut off in the position that short circuit occurs；Using laser welding work
The first segment data line and the second segment data line is electrically connected in the repair line by skill.
The AMOLED display panels and its restorative procedure provided in the embodiment of the present invention, passes through the object-line in display panel
Road area sets repair line, and the repair line can repair the data line for poor short circuit occur, will exist in display picture
The abnormal pixel of display is reduced, and will e.g. be shown in picture and is lacked because the line defect that data line poor short circuit is formed improves for point
Fall into so that there are the defects of fall and within the acceptable range, improve the yields of final products.
Description of the drawings
Fig. 1 is the structure diagram that poor short circuit occurs for data line and power cord in AMOLED display panels；
Fig. 2 is such as the graphical representation of exemplary of the corresponding display picture of the AMOLED display panels of Fig. 1；
Fig. 3 is the structure diagram of AMOLED display panels provided in an embodiment of the present invention；
Fig. 4 is structure diagram of the AMOLED display panels after repair data line such as Fig. 3；
Fig. 5 is such as the enlarged diagram of part A in Fig. 4；
Fig. 6 is such as the graphical representation of exemplary of the corresponding display picture of the AMOLED display panels of Fig. 4.
Specific embodiment
To make the object, technical solutions and advantages of the present invention clearer, below in conjunction with the accompanying drawings to the specific reality of the present invention
The mode of applying is described in detail.The example of these preferred embodiments is illustrated in the accompanying drawings.Shown in attached drawing and according to
The embodiments of the present invention of attached drawing description are only exemplary, and the present invention is not limited to these embodiments.
Here, it should also be noted that, in order to avoid because having obscured the present invention during unnecessary details, in the accompanying drawings only
It shows the structure and/or processing step closely related with scheme according to the present invention, and is omitted little with relationship of the present invention
Other details.
A kind of AMOLED display panels are present embodiments provided, as shown in figure 3, the AMOLED display panels include display
Area 10 and periphery circuit area 20, the periphery circuit area 20 are surrounded on the side of the viewing area 10.
Wherein, data line 11, scan line 12, power cord 13 and dot structure Px are provided in the viewing area 10, it is a plurality of
Data line 11 and multi-strip scanning line 12 are criss-cross arranged, and the dot structure Px is located at the intersection of data line 11 and scan line 12
Region, multiple dot structure Px arrange (merely exemplary in attached drawing 1 to show several dot structure Px) in matrix array, each
Row dot structure Px is configured with a power cord 13, the power cord 13 and 11 parallel arranged of data line.Each pixel knot
Data line 11, scan line 12 and power cord 13 is electrically connected in structure Px.
Wherein, the periphery circuit area 20 includes the first area 20a and the of the opposite sides positioned at the viewing area 10
Two region 20b further include the third region 20c for connecting the first area 20a and second area 20b.The first area 20a
In be provided with the first driving unit 21, the second driving unit 22 is provided in the third region 20c.The one of the data line 11
End extends to the first area 20a and is connected to first driving unit 21, and the other end of the data line 11 extends to
The second area 20b, first driving unit 21 provides data by the data line 11 to the dot structure Px to be believed
Number.The scan line 12 extends to the third region 20c and is connected to second driving unit 22, and second driving is single
Member 22 provides scanning signal by the scan line 12 to the dot structure Px.The power cord 13 extends to firstth area
Domain 20a is simultaneously connected to first driving unit 21, and first driving unit 21 is also by the power cord 13 to the picture
Plain structure Px provides power supply.
Wherein, chip on film (Chip on Film, COF) may be used in first driving unit 21.Described second drives
Moving cell 22 then could be provided as GOA (Gate driver On Array) circuit.Further, it is also set on the first area
It is equipped with and is fanned out to cabling 23, the data line 11 and the power cord 13 are connected to first driving by the cabling 23 that is fanned out to
Unit 21.
In the present embodiment, as shown in figure 3, repair line 30 is additionally provided in the periphery circuit area 20, the repair line 30
The second area 20b is extended to from the first area 20a via the third region 20c, the repair line 30 is described
In the 20a of first area with the data line 11 insulation intersect, the repair line 30 in the second area 20b with the data
The insulation of line 11 is intersecting.The repair line 30 is configured as when the data line 11 occurs short-circuit in the viewing area 10 to institute
Data line 11 is stated to be repaired.
Wherein, in the first area 20a, the repair line 30 is being fanned out to cabling 23 and the viewing area positioned at described
Between 10.And on the direction of the AMOLED display panels, the repair line 30 and the data line 11 are to be located at
In different structure sheafs, interlayer insulating film is provided between the repair line 30 and the data line 11.
The repair line 30 can repair the data line 11 for poor short circuit occur, by the aobvious of AMOLED display panels
Show in picture that there is the abnormal pixel of display is reduced.Wherein, there are poor short circuits to refer to the data line 11 for the data line 11
It short cut with each other with other signal wires in viewing area 10.It is mutual with the data line 11 and the power cord 13 in the present embodiment
Its restorative procedure is illustrated for short circuit.
Specifically, refering to attached drawing 4 and Fig. 5, the restorative procedure of AMOLED display panels as described above includes：
Step S100, the position that short circuit occurs in viewing area 10 for data line 11 is obtained.In the present embodiment, corresponding to picture
The position of plain structure Pxi is since there are electrically conductive particles (particle) 14, electrically conductive particles 14 can cause adjacent 11 He of data line
Short circuit occurs for power cord 13.
Step S200, the data line 11 is cut off in the position that short circuit occurs, the data line 11 is divided into including prolonging
It extends to the first segment data line 11a of the first area 20a and extends to the second segment data line 11b of the second area 20b.
Specifically, as shown in Figure 4 and Figure 5, in the dot structure Pxi for poor short circuit occur, cut off using laser cutting parameter described in
Data line 11 forms breakpoint 15a, 15b in the both sides of electrically conductive particles 14, and the data line 11, which is divided into, as a result, extends to institute
It states the first segment data line 11a of first area 20a and extends to the second segment data line 11b of the second area 20b.
Step S300, in the first area 20a, the repair line 30 is electrically connected to the first segment data line
11a；In the second area 20b, the repair line 30 is electrically connected to the second segment data line 11b.Specifically, as schemed
Shown in 4 and Fig. 5, using laser welding process, the repair line 30 described in the first area 20a and the first segment data line
The position that 11a intersects forms pad 16a, the repair line 30 described in the second area 20b and the second segment data line
The position that 11b intersects forms pad 16b, and the repair line 30 is electrically connected the first segment data line 11a as a result,
With the second segment data line 11b.
It is described after being repaired by more than restorative procedure to the data line 11 for poor short circuit occur refering to Fig. 4
Correspond to a row dot structure Px of the dot structure Pxi in AMOLED display panels, before the dot structure Pxi
Dot structure Px can receive normal data-signal from the first segment data line 11a, and positioned at the dot structure
Dot structure Px after Pxi then can receive normal data-signal from the second segment data line 11b, quite only
Data-signal cannot be received and there is display exception by stating dot structure Pxi.Fig. 6 is that the AMOLED display panels such as Fig. 4 are corresponding
Show the graphical representation of exemplary of picture, in Fig. 6, display exception occurs for only dot structure Pxi, and there are pixel bad point (Pxi), phases
Than in picture as shown in Figure 2 of the prior art, showing in picture because the line defect improvement that data line poor short circuit is formed is
Point defect.In AMOLED display panels, the area of pixel is very little, and there are a few pixels bad points in display panel
It is acceptable.Therefore, the AMOLED display panels and its restorative procedure that the embodiment more than provides, can will show picture
The middle line defect formed by data line poor short circuit improves as point defect so that there are the defects of fall within the acceptable range,
Improve the yield of final products.
Wherein, a repair line 30 is exemplarily only shown in the present embodiment.In some other embodiments,
The AMOLED display panels are also provided with the greater number of repair line 30, can set according to actual needs described
The quantity of repair line 30.As noted previously, as the AMOLED display panels still at least can there are pixels after repairing
Bad point, therefore can there are the quantity that the quantity of pixel bad point sets the repair line 30 according to that can receive.More preferably
Technical solution in, the quantity of the repair line 30 is set as 5~10.
In conclusion the AMOLED display panels and its restorative procedure that are provided in the embodiment of the present invention, it can be to occurring
The data line of poor short circuit is repaired, and will show in picture that there is the abnormal pixel of display is reduced in acceptable range,
Improve the yield of final products.
It should be noted that herein, relational terms such as first and second and the like are used merely to a reality
Body or operation are distinguished with another entity or operation, are deposited without necessarily requiring or implying between these entities or operation
In any this practical relationship or sequence.Moreover, term " comprising ", "comprising" or its any other variant are intended to
Non-exclusive inclusion, so that process, method, article or equipment including a series of elements not only will including those
Element, but also including other elements that are not explicitly listed or further include as this process, method, article or equipment
Intrinsic element.In the absence of more restrictions, the element limited by sentence "including a ...", it is not excluded that
Also there are other identical elements in process, method, article or equipment including the element.
The above is only the specific embodiment of the application, it is noted that for the ordinary skill people of the art
For member, under the premise of the application principle is not departed from, several improvements and modifications can also be made, these improvements and modifications also should
It is considered as the protection domain of the application.
Claims (10)
1. a kind of AMOLED display panels including viewing area and periphery circuit area, set data line in the viewing area, described outer
It encloses line areas to include being located at first area and the second area of the opposite sides of the viewing area, further includes connection firstth area
Domain and the third region of second area；It is characterized in that, one end of the data line extends to the first area, the data
The other end of line extends to the second area；
Repair line is provided in the periphery circuit area, the repair line extends from the first area via the third region
To the second area, the repair line intersects in the first area with data line insulation, and the repair line is in institute
It states in second area and intersects with data line insulation；The repair line is configured as the data line in the viewing area
Occur to repair the data line during short circuit.
2. AMOLED display panels according to claim 1, which is characterized in that when the data line is in the viewing area
When short circuit occurs, the data line is cut off in the position that short circuit occurs, the data line is divided into including extending to described the
The first segment data line in one region and the second segment data line for extending to the second area, the repair line is in firstth area
Domain is electrically connected to the first segment data line, and the repair line is electrically connected to second segment data in the second area
Line.
3. AMOLED display panels according to claim 2, which is characterized in that the periphery circuit area is provided with a plurality of institute
State repair line.
4. AMOLED display panels according to claim 3, which is characterized in that the periphery circuit area is provided with 5~10
Repair line described in item.
5. AMOLED display panels according to claim 2, which is characterized in that the repair line and the data line bit in
In different structure sheafs, interlayer insulating film is provided between the repair line and the data line.
6. AMOLED display panels according to claim 1, which is characterized in that be provided in the viewing area and the number
According to the power cord of line parallel arranged, short circuit occurs in the viewing area and refers to the data line and the power supply for the data line
It short cut with each other between line.
7. AMOLED display panels according to claim 1, which is characterized in that the first drive is provided on the first area
Moving cell and cabling is fanned out to, the data line is connected to first driving unit, the repair line by the cabling that is fanned out to
It is located at described be fanned out between cabling and the viewing area in the first area.
8. AMOLED display panels according to claim 1, which is characterized in that first driving unit is thin for flip
Film.
9. a kind of restorative procedure of AMOLED display panels as described in claim 1-8 is any, which is characterized in that including：
Obtain the position that short circuit occurs in viewing area for data line；
The data line is cut off in the position that short circuit occurs, the data line is divided into including extending to the first area
First segment data line and the second segment data line for extending to the second area；
In the first area, the repair line is electrically connected to the first segment data line；In the second area, by institute
It states repair line and is electrically connected to the second segment data line.
10. the restorative procedure of AMOLED display panels according to claim 9, which is characterized in that
Using laser cutting parameter, the data line is cut off in the position that short circuit occurs；
Using laser welding process, the first segment data line and second segment data is electrically connected in the repair line
Line.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711395719.XA CN108172599A (en) | 2017-12-21 | 2017-12-21 | AMOLED display panels and its restorative procedure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711395719.XA CN108172599A (en) | 2017-12-21 | 2017-12-21 | AMOLED display panels and its restorative procedure |
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| Publication Number | Publication Date |
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| CN108172599A true CN108172599A (en) | 2018-06-15 |
Family
ID=62523154
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| Application Number | Title | Priority Date | Filing Date |
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| CN201711395719.XA Pending CN108172599A (en) | 2017-12-21 | 2017-12-21 | AMOLED display panels and its restorative procedure |
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| US11374034B2 (en) | 2019-06-13 | 2022-06-28 | Au Optronics Corporation | Display panel and method for manufacturing the same |
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Application publication date: 20180615 |