CN103035204B - Repairing method of active matrix organic light-emitting diode (LED) display - Google Patents
Repairing method of active matrix organic light-emitting diode (LED) display Download PDFInfo
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- CN103035204B CN103035204B CN201210577902.2A CN201210577902A CN103035204B CN 103035204 B CN103035204 B CN 103035204B CN 201210577902 A CN201210577902 A CN 201210577902A CN 103035204 B CN103035204 B CN 103035204B
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Abstract
The invention discloses a repairing method of an active matrix organic light-emitting diode (LED) display. According to the repairing method, a double-end feeder circuit of a broken circuit portion of an adjacent faulty line forms a connecting bridge between two ends of the broken circuit portion, and the two ends of the broken circuit portion of the faulty line are communicated to finish repairing. According to the repairing method of the active matrix organic LED display, the characteristic that the double-end feeder circuit does not affect display is used, two ends of a single-end feeder circuit of a broken circuit are connected through the fact that a repairing section is cut out on the double-end feeder circuit, and so that the purpose of repairing the broken circuit is achieved.
Description
Technical field
The present invention relates to a kind of screen body method for repairing and mending of displayer, particularly relate to the method for the screen body line defect that a kind of reparation causes because of single-ended power line broken circuit.
Background technology
AMOLED(Active-Matrix Organic Light-Emitting Diode, active matrix organic light-emitting diode) display device is active illuminating device.Compare present main flow flat panel display TFT-LCD(Thin Film Transistor Liquid Crystal Display, Thin Film Transistor-LCD), AMOLED has the advantages such as high-contrast, wide viewing angle, low-power consumption, volume be thinner, being expected to the flat panel display of future generation become after LCD, is one of the maximum technology that receives publicity in current flat panel display.
Current AMOLED mainly uses LTPS-TFT(Low Temperature Poly Silicon Thin Film Transistor, low-temperature polysilicon film transistor) driving OLED luminescence.The forming process of low temperature polycrystalline silicon is as follows: the amorphous silicon of chemical vapor deposition (Chemical Vapor Deposition, CVD), after quasi-molecule laser annealing (Excimer Laser Annealing, ELA), forms polysilicon.The Silicon uniformity formed by ELA is poor, in order to obtain evenly display effect, usually adopt the mode of design compensation circuit to carry out the threshold voltage of compensation film transistor (TFT).Along with the introducing of compensating circuit, the quantity of signal wire also increases gradually, in order to reduce the quantity of drive IC, and reduces the width of display screen frame, and some signal wires can adopt the mode of single-ended power to write electric signal to display unit.The yield made because of low-temperature polysilicon film transistor is lower, and the circuit of part single-ended power there will be the situation of open circuit, causes final display screen to occur line defect, has a strong impact on display effect.
Summary of the invention
The technical problem to be solved in the present invention is to provide a kind of method for repairing and mending of active matrix organic light emitting diode display, when open circuit appears in the circuit of single-ended power, can be repaired by the method to open circuit.
In order to solve the problems of the technologies described above, the invention provides a kind of method for repairing and mending of active matrix organic light emitting diode display, this method for repairing and mending utilizes the both end power supplying route of open circuit place of contiguous faulty line to form connecting bridge between open circuit place two ends, open circuit place of faulty line two ends are communicated with, complete repairing.
Wherein, the both end power supplying route of open circuit place of utilization vicinity faulty line forms connecting bridge method and is between open circuit place two ends:
Open circuit place of A, detection failure circuit;
B, the both end power supplying circuit of contiguous described open circuit place to be cut off, intercept from described both end power supplying circuit and repair section;
C, the open circuit place two ends of described faulty line to be communicated with described repairing section respectively.
Further, cut-off described both end power supplying circuit comprises two both end power supplying circuits vertical with described faulty line both end power supplying circuit parallel with described faulty line with.
Further, both end power supplying circuit described in every root cuts off two places, described repairing section is formed between two place's breakpoints, two repairing section one end wherein perpendicular to described faulty line are communicated with the open circuit place two ends of described faulty line respectively, and the other end is communicated with the repairing section two ends being parallel to described faulty line.
Further, in described step B, the mode of cut is adopted to be cut off by described both end power supplying circuit.
Further, in described step C, the mode of laser bonding is adopted to be communicated with described repairing section at the open circuit place two ends of described faulty line.
Further, the mode of laser bonding is adopted to be communicated with the repairing section two ends being parallel to described faulty line by the repairing section other end perpendicular to described faulty line.
The method for repairing and mending of active matrix organic light emitting diode display of the present invention, both end power supplying circuit breaking is utilized not affect the feature of display, by intercepting repairing section on both end power supplying circuit, the single-ended power circuit two ends of open circuit are coupled together, thus reach the object of repairing open circuit.
Accompanying drawing explanation
Fig. 1 is the dot structure equivalent circuit diagram of active matrix organic light emitting diode display.
Fig. 2 is the local line rough schematic view of active matrix organic light emitting diode display.
Fig. 3 is the local pixel configuration schematic diagram of active matrix organic light emitting diode display.
Fig. 4 is the local pixel configuration schematic diagram after the data signal line open circuit of active matrix organic light emitting diode display.
Fig. 5 is the local line rough schematic view after the data signal line open circuit of active matrix organic light emitting diode display.
Fig. 6 is the process flow diagram of the method for repairing and mending of active matrix organic light emitting diode display of the present invention.
Fig. 7 is the local pixel configuration schematic diagram after method for repairing and mending according to the present invention blocks drive wire and initialization line.
Fig. 8 repairs the local pixel configuration schematic diagram after open circuit data signal line according to method for repairing and mending of the present invention.
Fig. 9 repairs the local line rough schematic view after open circuit data signal line according to method for repairing and mending of the present invention.
Embodiment
Below in conjunction with the drawings and specific embodiments, the invention will be further described, can better understand the present invention and can be implemented, but illustrated embodiment is not as a limitation of the invention to make those skilled in the art.
As shown in Fig. 1 ~ Fig. 3, active matrix organic light emitting diode display includes data signal line, drive wire, switching line and sweep trace etc.In order to avoid drive singal and initializing signal decay, drive wire VDD and initialization line Vref all have employed the mode of both end power supplying; And in order to reduce the width of frame, data signal line Vdata, the first sweep trace Sa1, the second sweep trace Sa2 and switching line EM all have employed the mode of single-ended power.If separated in the circuit of both end power supplying, because the two ends of signal from line write, can not impact the display effect of this line.But as shown in Figure 4 and Figure 5, if M+2 single data signal wire disconnects at shown position, then the luminous zone 1 of the pixel of M+2 row does not just receive the signal from Vdata from N+1 is capable, forms always bright or always dark line defect.
In order to repair the line defect because data signal line open circuit causes, the present invention utilizes the both end power supplying route of open circuit place of contiguous faulty line to form connecting bridge between open circuit place two ends, is communicated with at open circuit place of faulty line two ends, completes repairing.Particularly, as shown in Figure 6, the method for repairing and mending of active matrix organic light emitting diode display of the present invention, comprising:
Step 101: open circuit place of detection failure circuit;
Step 102: cut off by the both end power supplying circuit of contiguous described open circuit place, intercepts from described both end power supplying circuit and repairs section;
Step 103: the open circuit place two ends of described faulty line are communicated with described repairing section respectively.
Wherein, cut-off both end power supplying circuit comprises two both end power supplying circuits vertical with faulty line both end power supplying circuit parallel with faulty line with, and every root both end power supplying circuit cuts off two places, formed between two place's breakpoints and repair section, two repairing section one end wherein perpendicular to faulty line are communicated with the open circuit place two ends of faulty line respectively, and the other end is communicated with the repairing section two ends being parallel to faulty line.Cut-off part 2 can be completed by the mode of cut, and junction 3 can be completed by the mode of laser bonding.
Embodiment as shown in Figure 7, in the present embodiment, the drive wire of the most contiguous open circuit place and initialization line are cut off by illustrated method, the mode of cut-out can use cut; As shown in Figure 8, adopt the mode of laser bonding, the one section of initialization line intercepted is connected with data signal line one end of disconnection, the one section of initialization line intercepted is connected with the drive wire of intercepting, the drive wire intercepted is connected with another section of initialization line of intercepting, finally another section of initialization line intercepted is connected with the data signal line other end of disconnection.The signal of such data signal line can be transferred to the other end of open circuit by the drive wire of intercepting and initialization line.And drive wire and initialization line are owing to being both end power supplying, can't impact surrounding pixel after intercepting one section.Fig. 9 be by method for repairing and mending repair data signal wire of the present invention after local line rough schematic view.
The present embodiment just illustrates the method for repairing with the open circuit of data line.Correspondingly, adopt and block drive wire and the initialization line of both end power supplying, and the method repairing section of intercepting be connected with the two-termial line of open circuit can also the line defect that causes of other single-ended power line broken circuit such as restoration switch line, the first sweep trace, the second sweep trace.
Accordingly, the circuit of the active matrix/organic light emitting display except the present embodiment, intersects the both end power supplying circuit of interlayer mode if adopted, and all can repair by this method the line defect that single-ended power line broken circuit causes.
The above embodiment is only that protection scope of the present invention is not limited thereto in order to absolutely prove the preferred embodiment that the present invention lifts.The equivalent alternative or conversion that those skilled in the art do on basis of the present invention, all within protection scope of the present invention.Protection scope of the present invention is as the criterion with claims.
Claims (6)
1. a method for repairing and mending for active matrix organic light emitting diode display, is characterized in that, utilizes the both end power supplying route of open circuit place of contiguous faulty line to form connecting bridge between open circuit place two ends, is communicated with at open circuit place of faulty line two ends, completes repairing; Wherein, the signal of described both end power supplying route writes from the two ends of line;
Wherein, the both end power supplying route of open circuit place of utilization vicinity faulty line forms connecting bridge method and is between open circuit place two ends:
Open circuit place of A, detection failure circuit;
B, the both end power supplying circuit of contiguous described open circuit place to be cut off, intercept from described both end power supplying circuit and repair section;
C, the open circuit place two ends of described faulty line to be communicated with described repairing section respectively.
2. the method for repairing and mending of active matrix organic light emitting diode display according to claim 1, it is characterized in that, cut-off described both end power supplying circuit comprises two both end power supplying circuits vertical with described faulty line both end power supplying circuit parallel with described faulty line with.
3. the method for repairing and mending of active matrix organic light emitting diode display according to claim 2, it is characterized in that, both end power supplying circuit described in every root cuts off two places, described repairing section is formed between two place's breakpoints, two repairing section one end wherein perpendicular to described faulty line are communicated with the open circuit place two ends of described faulty line respectively, and the other end is communicated with the repairing section two ends being parallel to described faulty line.
4. the method for repairing and mending of active matrix organic light emitting diode display according to claim 1, is characterized in that, in described step B, adopts the mode of cut to be cut off by described both end power supplying circuit.
5. the method for repairing and mending of active matrix organic light emitting diode display according to claim 1, is characterized in that, in described step C, adopts the mode of laser bonding to be communicated with described repairing section at the open circuit place two ends of described faulty line.
6. the method for repairing and mending of active matrix organic light emitting diode display according to claim 3, it is characterized in that, adopt the mode of laser bonding to be communicated with the repairing section two ends being parallel to described faulty line by the repairing section other end perpendicular to described faulty line.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201210577902.2A CN103035204B (en) | 2012-12-27 | 2012-12-27 | Repairing method of active matrix organic light-emitting diode (LED) display |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201210577902.2A CN103035204B (en) | 2012-12-27 | 2012-12-27 | Repairing method of active matrix organic light-emitting diode (LED) display |
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| CN103035204A CN103035204A (en) | 2013-04-10 |
| CN103035204B true CN103035204B (en) | 2015-05-27 |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107731878B (en) | 2017-10-27 | 2020-04-28 | 京东方科技集团股份有限公司 | Display substrate, repairing method thereof and display panel |
| CN109949729A (en) * | 2019-04-29 | 2019-06-28 | 武汉华星光电半导体显示技术有限公司 | AMOLED panel is at box detection circuit and its method of repair data line |
| CN111146182A (en) * | 2020-02-14 | 2020-05-12 | 深圳第三代半导体研究院 | Micro-fine line repairing material and repairing method thereof |
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| CN102169267A (en) * | 2011-05-23 | 2011-08-31 | 深圳市华星光电技术有限公司 | Flat display panel and repairing method thereof |
| CN102437112A (en) * | 2011-12-15 | 2012-05-02 | 昆山工研院新型平板显示技术中心有限公司 | Method for repairing pixel circuit of active matrix organic light emitting display substrate |
| CN102437113A (en) * | 2011-12-15 | 2012-05-02 | 昆山工研院新型平板显示技术中心有限公司 | Repairing method of signal disconnection of active matrix organic light-emitting display array substrate |
| CN102509720A (en) * | 2011-12-15 | 2012-06-20 | 昆山工研院新型平板显示技术中心有限公司 | Repair method for data wires of array substrate of active matrix organic light emitting display |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JP2005326562A (en) * | 2004-05-13 | 2005-11-24 | Sony Corp | Liquid crystal panel and method for manufacturing same |
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| US5852305A (en) * | 1997-03-27 | 1998-12-22 | Lg Electronics Inc. | Liquid crystal display apparatus with repair structure |
| CN101408683A (en) * | 2008-11-21 | 2009-04-15 | 友达光电（苏州）有限公司 | Display panel repairing method and display panel repaired by using the same |
| CN102169267A (en) * | 2011-05-23 | 2011-08-31 | 深圳市华星光电技术有限公司 | Flat display panel and repairing method thereof |
| CN102437112A (en) * | 2011-12-15 | 2012-05-02 | 昆山工研院新型平板显示技术中心有限公司 | Method for repairing pixel circuit of active matrix organic light emitting display substrate |
| CN102437113A (en) * | 2011-12-15 | 2012-05-02 | 昆山工研院新型平板显示技术中心有限公司 | Repairing method of signal disconnection of active matrix organic light-emitting display array substrate |
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Effective date of registration: 20201215 Address after: No.146 Tianying Road, high tech Zone, Chengdu, Sichuan Province Patentee after: Chengdu CHENXIAN photoelectric Co.,Ltd. Address before: No. 188, CHENFENG Road, Kunshan high tech Zone, Kunshan City, Suzhou City, Jiangsu Province Patentee before: Kunshan New Flat Panel Display Technology Center Co.,Ltd. |
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