CN105047125A - Shifting register, repairing method thereof, grid integrated drive circuit and corresponding device - Google Patents
Shifting register, repairing method thereof, grid integrated drive circuit and corresponding device Download PDFInfo
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- CN105047125A CN105047125A CN201510601160.6A CN201510601160A CN105047125A CN 105047125 A CN105047125 A CN 105047125A CN 201510601160 A CN201510601160 A CN 201510601160A CN 105047125 A CN105047125 A CN 105047125A
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Abstract
The invention discloses a shifting register, a repairing method thereof, a grid integrated drive circuit, a display panel and a display device. The shifting register comprises a shifting register processing circuit, and the shifting register processing circuit comprises multiple switch transistors. The shifting register further comprises at least one set of standby switch transistors. When the switch transistors in the shifting register processing circuit are abnormal due to technical problems, grids of the standby switch transistors are connected with grids of the abnormal switch transistors in the shifting register processing circuit through first reserved metal wires, and drains of the standby switch transistors are connected with drains of the abnormal switch transistors in the shifting register processing circuit through second reserved metal wires, so that the abnormal switch transistors are replaced by the standby switch transistors, and then the shifting register with functional abnormality can be repaired; the reject ratio of poor display, caused by the technical problems, of the display panel is reduced, and the production yield of the corresponding product is increased.
Description
Technical field
The present invention relates to display technique field, particularly relate to a kind of shift register, its restorative procedure, grid integrated drive electronics, display panel and display device.
Background technology
At present, display technique is widely used in TV, the display of mobile phone and public information, display panel for display frame is also varied, and colourful picture can be shown, but no matter be liquid crystal display panel of thin film transistor (TFT-LCD, ThinFilmTransistor-LiquidCrystalDisplay), or organic electroluminescence display panel (OLED, OrganicLightEmittingDiode) drive integrated circult (IC is all needed, IntegratedCircuit) control, along with the development of flat panel display, those skilled in the technology concerned adopt shift register technique to realize the function of the scanning of raster data model, namely the edge of display panel is utilized to build grid integrated drive electronics, to realize the function of raster data model IC, such design can be saved and be arranged separately raster data model IC in the frame region of display panel, be conducive to the narrow frame design realizing display panel, reduce the production cost of Related product simultaneously.
Shift register technique is that with the function of the shift LD and output that realize gate drive signal, this structure just can complete in the normal production technology of display panel by adopting switching transistor and electric capacity to build circuit in the neighboring area of display panel.Shift register cell needs clock signal, input signal, output signal, the sequential collocation of the signals such as reset signal, realizes shift LD and output function that grid drive sweep signal.Usually, each shift register cell comprises multiple switching transistor, once one of them switching transistor damages will cause sequential entanglement, abnormal signal, the problems such as screen abnormal show, and the damage of switching transistor can by the impurity particle in production run, scratch, the manufacture craft problems such as source-drain electrode bridging cause, therefore above-mentioned technological problems is very large on the impact of display product yield, and due to the precise structure of shift register cell, it is very high to the characteristic requirements of switching transistor, if the switching transistor of damage is simply excised, then easily cause the dysfunction of shift register cell, such as can cause shift register cell undercharge, the problems such as signal delay.
Therefore, how to repair the switching transistor damaged because of technological problems in shift register, thus reduce shift-register functions that display panel causes because of technological reason abnormal and fraction defective that display that is that cause is bad, be those skilled in the art's technical matterss urgently to be resolved hurrily.
Summary of the invention
Embodiments provide a kind of shift register, its restorative procedure, grid integrated drive electronics, display panel and display device, cause shift-register functions abnormal in order to solve the switching transistor damaged because of technological problems in the shift register that exists in prior art, thus the problem that the display causing display panel to cause because of technological reason is bad.
Embodiments provide a kind of shift register, comprise shift register treatment circuit, described shift register treatment circuit comprises multiple switching transistor, and described shift register also comprises: at least one group of backup circuit breaker transistor;
First reserved metal wire is set between the grid of the grid of described backup circuit breaker transistor and the switching transistor of described shift register treatment circuit;
The source electrode of described backup circuit breaker transistor is connected with the source electrode of the switching transistor of described shift register treatment circuit;
Second reserved metal wire is set between the drain electrode of the drain electrode of described backup circuit breaker transistor and the switching transistor of described shift register treatment circuit;
Described backup circuit breaker transistor is used for when the switching transistor of described shift register treatment circuit is abnormal, is substituted in described shift register treatment circuit abnormal switching transistor occurs by the described first reserved metal wire and the described second reserved metal wire.
In a kind of possible embodiment, in the above-mentioned shift register that the embodiment of the present invention provides, the switching transistor of described shift register treatment circuit and described backup circuit breaker transistor are synchronously formed.
In a kind of possible embodiment, in the above-mentioned shift register that the embodiment of the present invention provides, the source electrode of the described first reserved metal wire and described backup circuit breaker transistor to be arranged with layer with draining.
In a kind of possible embodiment, in the above-mentioned shift register that the embodiment of the present invention provides, the grid of the described second reserved metal wire and described backup circuit breaker transistor is arranged with layer.
In a kind of possible embodiment, in the above-mentioned shift register that the embodiment of the present invention provides, also comprise: jumper;
Described jumper and the 3rd metal level are arranged with layer;
Described 3rd metal level is the metal level except the gate metal layer of described backup circuit breaker transistor and source-drain electrode metal level.
Embodiments provide the restorative procedure of the above-mentioned shift register that a kind of embodiment of the present invention provides, comprising:
Cut off in described shift register treatment circuit and the source electrode of abnormal switching transistor and the connection of respective signal line occur, or the connection of drain electrode and respective signal line;
The grid of grid and the described backup circuit breaker transistor that abnormal switching transistor occurs in described shift register treatment circuit is connected by the first reserved metal wire;
The drain electrode of drain electrode and the described backup circuit breaker transistor that abnormal switching transistor occurs in described shift register treatment circuit is connected by the second reserved metal wire.
In a kind of possible embodiment, in the restorative procedure of the above-mentioned shift register that the embodiment of the present invention provides, one group of backup circuit breaker transistor comprises multiple switching transistor, and the restorative procedure of described shift register, also comprises:
To cut off in backup circuit breaker transistor group not for the source electrode of switching transistor repaired and the connection of the source electrode of the switching transistor for repairing.
In a kind of possible embodiment, in the restorative procedure of the above-mentioned shift register that the embodiment of the present invention provides, laser is adopted to carry out the action cut off and/or connect.
Embodiments provide a kind of grid integrated drive electronics, the above-mentioned shift register that the multiple embodiment of the present invention comprising cascade provide.
Embodiments provide a kind of display panel, comprise the above-mentioned grid integrated drive electronics that the embodiment of the present invention provides.
In a kind of possible embodiment, in the above-mentioned display panel that the embodiment of the present invention provides, comprise the above-mentioned grid integrated drive electronics that two groups of embodiment of the present invention provide, described in two groups, grid integrated drive electronics lays respectively at the neighboring area of the relative both sides of described display panel.
Embodiments provide a kind of display device, comprise the above-mentioned display panel that the embodiment of the present invention provides.
The beneficial effect of the embodiment of the present invention comprises:
Embodiments provide a kind of shift register, its restorative procedure, grid integrated drive electronics, display panel and display device, this shift register comprises shift register treatment circuit, shift register treatment circuit comprises multiple switching transistor, and shift register also comprises: at least one group of backup circuit breaker transistor; First reserved metal wire is set between the grid of the grid of backup circuit breaker transistor and the switching transistor of shift register treatment circuit; The source electrode of backup circuit breaker transistor is connected with the source electrode of the switching transistor of shift register treatment circuit; Second reserved metal wire is set between the drain electrode of the drain electrode of backup circuit breaker transistor and the switching transistor of shift register treatment circuit; Backup circuit breaker transistor is used for when the switching transistor of shift register treatment circuit is abnormal, is substituted in shift register treatment circuit abnormal switching transistor occurs by the first reserved metal wire and the second reserved metal wire.Like this by arranging backup circuit breaker transistor in a shift register, when switching transistor in shift register treatment circuit is because of technological problems appearance exception, by the first reserved metal wire, the grid of backup circuit breaker transistor is connected with the grid that abnormal switching transistor occurs in shift register treatment circuit, by the second reserved metal wire, the drain electrode of backup circuit breaker transistor is connected with the drain electrode that abnormal switching transistor occurs in shift register treatment circuit, thus the switching transistor that backup circuit breaker transistor substitutes generation exception can be realized, and then can the shift register of repair function exception, the fraction defective that the display that reduction display panel causes because of technological reason is bad, thus improve the production yield of corresponding product.
Accompanying drawing explanation
The structural representation of the shift register that Fig. 1 provides for the embodiment of the present invention;
The restorative procedure process flow diagram of the shift register that Fig. 2 provides for the embodiment of the present invention;
Fig. 3 and Fig. 4 be respectively shift register that the embodiment of the present invention provides repair after structural representation figure.
Embodiment
Below in conjunction with accompanying drawing, the embodiment of shift register, its restorative procedure, grid integrated drive electronics, display panel and display device that the embodiment of the present invention provides is described in detail.
Embodiments provide a kind of shift register, can comprise shift register treatment circuit, shift register treatment circuit comprises multiple switching transistor, and shift register can also comprise: at least one group of backup circuit breaker transistor; First reserved metal wire is set between the grid of the grid of backup circuit breaker transistor and the switching transistor of shift register treatment circuit; The source electrode of backup circuit breaker transistor is connected with the source electrode of the switching transistor of shift register treatment circuit; Second reserved metal wire is set between the drain electrode of the drain electrode of backup circuit breaker transistor and the switching transistor of shift register treatment circuit; Backup circuit breaker transistor is used for when the switching transistor of shift register treatment circuit is abnormal, is substituted in shift register treatment circuit abnormal switching transistor occurs by the first reserved metal wire and the second reserved metal wire.
The above-mentioned shift register that the embodiment of the present invention provides, as shown in Figure 1 (Fig. 1 only schematically illustrates the part circuit structure of shift register), comprise shift register treatment circuit, shift register treatment circuit comprises multiple switching transistor 01, and shift register also comprises: at least one group of backup circuit breaker transistor 02; First reserved metal wire 03 is set between the grid of the grid of backup circuit breaker transistor 02 and the switching transistor 01 of shift register treatment circuit; The source electrode of backup circuit breaker transistor 02 is connected with the source electrode of the switching transistor 01 of shift register treatment circuit; Second reserved metal wire 04 is set between the drain electrode of the drain electrode of backup circuit breaker transistor 02 and the switching transistor 02 of shift register treatment circuit; Backup circuit breaker transistor 02, for when the switching transistor 01 of shift register treatment circuit is abnormal, is substituted in shift register treatment circuit by the first reserved metal wire 03 and the second reserved metal wire 04 and abnormal switching transistor 01 occurs.Like this by arranging backup circuit breaker transistor in a shift register, when switching transistor in shift register treatment circuit is because of technological problems appearance exception, by the first reserved metal wire, the grid of backup circuit breaker transistor is connected with the grid that abnormal switching transistor occurs in shift register treatment circuit, by the second reserved metal wire, the drain electrode of backup circuit breaker transistor is connected with the drain electrode that abnormal switching transistor occurs in shift register treatment circuit, thus the switching transistor that backup circuit breaker transistor substitutes generation exception can be realized, and then can the shift register of repair function exception, the fraction defective that the display that reduction display panel causes because of technological reason is bad, thus improve the production yield of corresponding product.
In the specific implementation, in the above-mentioned shift register that the embodiment of the present invention provides, the switching transistor of shift register treatment circuit and backup circuit breaker transistor are synchronously formed, and namely the grid of the grid of the switching transistor of shift register treatment circuit, source-drain electrode and backup circuit breaker transistor, source-drain electrode are synchronously formed.Particularly, in the above-mentioned shift register that the embodiment of the present invention provides, the switching transistor of shift register treatment circuit and backup circuit breaker transistor synchronously can be formed in the manufacture craft of display panel, therefore without the need to increasing extra manufacture craft, contribute to the making increasing backup circuit breaker transistor in the original manufacture craft of display panel, thus backup circuit breaker transistor can be utilized to replace damaging because of technological problems in shift register treatment circuit abnormal switching transistor occurs, repair the dysfunction that shift register causes because of technological problems, and then reduce the bad fraction defective of display that display panel causes because of technological reason, thus improve the production yield of corresponding product.
In the specific implementation, in the above-mentioned shift register that the embodiment of the present invention provides, as shown in Figure 1, the source electrode and draining of the first reserved metal wire 03 and backup circuit breaker transistor 02 is arranged with layer.Particularly, in the above-mentioned shift register that the embodiment of the present invention provides, first reserved metal wire can be arranged with layer with the source electrode of backup circuit breaker transistor and draining, namely the first reserved metal wire can be arranged on source-drain electrode metal level, same step patterning processes is adopted to be formed with the source electrode of backup circuit breaker transistor with draining, be conducive to the manufacture craft simplifying display panel like this, reduce the production cost of display panel, certain first reserved metal wire also can be arranged in display panel other metal level, in this no limit.
In the specific implementation, in the above-mentioned shift register that the embodiment of the present invention provides, as shown in Figure 1, the second reserved metal wire 04 is arranged with layer with the grid of backup circuit breaker transistor 01.Particularly, in the above-mentioned shift register that the embodiment of the present invention provides, second reserved metal wire can be arranged with layer with the grid of backup circuit breaker transistor, namely the second reserved metal wire can be arranged on gate metal layer, adopt same step patterning processes to be formed with the grid of backup circuit breaker transistor, be conducive to the manufacture craft simplifying display panel like this, reduce the production cost of display panel, certain second reserved metal wire also can be arranged in display panel other metal level, in this no limit.
In the specific implementation, in the above-mentioned shift register that the embodiment of the present invention provides, as shown in Figure 1, can also comprise: jumper 05; Jumper 05 and the 3rd metal level are arranged with layer; 3rd metal level is the metal level except the gate metal layer of backup circuit breaker transistor and source-drain electrode metal level.Particularly, in the above-mentioned shift register that the embodiment of the present invention provides, in order to prevent being short-circuited between original metal routing in the cabling that increases and shift register treatment circuit because increasing backup circuit breaker transistor, the 3rd metal level can be adopted to make jumper, corresponding connection is realized to the region that original cabling intersects by jumper at newly-increased cabling, such as shown in Fig. 1, intersection region M then achieves wire jumper by jumper 05 and connects, thus the short circuit problem that can prevent newly-increased cabling from mutually intersecting with original cabling and cause, particularly, 3rd metal level can be original metal level in display panel, such as transparency electrode metal level, original metal level in display panel is utilized to make jumper like this, manufacture craft can be simplified, reduce production cost.
Based on same inventive concept, embodiments provide the restorative procedure of the above-mentioned shift register that a kind of embodiment of the present invention provides, as shown in Figure 2, can specifically comprise the following steps:
The source electrode of abnormal switching transistor and the connection of respective signal line is there is in S101, cut-out shift register treatment circuit, or the connection of drain electrode and respective signal line;
S102, to be connected in shift register treatment circuit by the first reserved metal wire the grid of abnormal switching transistor and the grid of backup circuit breaker transistor occur;
S103, to be connected in shift register treatment circuit by the second reserved metal wire the drain electrode of abnormal switching transistor and the drain electrode of backup circuit breaker transistor occur.
In the restorative procedure of the above-mentioned shift register that the embodiment of the present invention provides, when switching transistor in shift register treatment circuit is because of technological problems appearance exception, the connection of source electrode or drain electrode and the respective signal line that abnormal switching transistor occurs can be cut off, make it quit work, and then by the first reserved metal wire, the grid of the grid of the switching transistor of the exception of correspondence with backup circuit breaker transistor is connected; By the second reserved metal wire, the drain electrode that abnormal switching transistor occurs is connected with the drain electrode of backup circuit breaker transistor, thus achieve the switching transistor substituting generation exception with backup circuit breaker transistor, repair parafunctional shift register, the shift register of generating function exception is made to recover normal work, thus reduce the bad fraction defective of display that display panel causes because of technological reason, thus improve the production yield of corresponding product.
In the specific implementation, in the restorative procedure of the above-mentioned shift register that the embodiment of the present invention provides, multiple switching transistor can be comprised in one group of backup circuit breaker transistor, the restorative procedure of shift register, can also comprise: to cut off in backup circuit breaker transistor group not for the source electrode of switching transistor repaired and the connection of the source electrode of the switching transistor for repairing.Particularly, in the restorative procedure of the above-mentioned shift register that the embodiment of the present invention provides, when one group of backup circuit breaker transistor comprises multiple switching transistor, except the switching transistor for repairing, source electrode not for the switching transistor repaired needs cut-off with the connection of the source electrode of the switching transistor for repairing, and prevents unnecessary switching transistor from affecting the normal work of shift register treatment circuit.
In the specific implementation, in the restorative procedure of the above-mentioned shift register that the embodiment of the present invention provides, laser can be adopted to carry out the action cut off and/or connect.Particularly, in the restorative procedure of the above-mentioned shift register that the embodiment of the present invention provides, laser can be adopted to cut off the source electrode of switching transistor or the connection of drain electrode and respective signal line that exception occurs, can adopt laser that first, second reserved metal wire is carried out corresponding connection with the grid of backup circuit breaker transistor respectively with draining equally, thus realize the switching transistor that backup circuit breaker transistor substitutes generation exception, other modes that can realize can certainly be adopted to carry out cutting off and the action be connected, in this no limit.
Below with two specific embodiments, the shift register provide the embodiment of the present invention and restorative procedure are specifically described:
Embodiment one:
As shown in Figure 3, be described for the switching transistor T1 occurring source drain electrode bridging in scheming, namely switching transistor T1 damages due to occurring source drain electrode bridging, dysfunction is caused normally to work, therefore need the switching transistor T2 in backup circuit breaker transistor group to substitute, particularly, the position that 1 in Fig. 3 can be represented adopts laser cutting, cut off and the abnormal drain electrode of switching transistor T1 and the connection of signal wire occur, make it quit work; Adopt laser to be welded by the reserved metal wire of 2 positions represented in Fig. 3, the grid of switching transistor T2 is connected with the grid of switching transistor T1; Adopt laser to be welded by the reserved metal wire of 3 positions represented in Fig. 3, the drain electrode of switching transistor T2 is connected with the drain electrode of switching transistor T1; And adopt laser that 4 and 5 positions represented in Fig. 3 are adopted laser cutting, to ensure that the switching transistor not for repairing can not affect the normal work of shift register treatment circuit, so far the switching transistor T2 for repairing in backup circuit breaker transistor group can realize replacing abnormal switching transistor T1 occurs, repair shift register, shift register is normally worked.It should be noted that in above-described embodiment the action order in no particular order adopting laser cutting and welding, the order cut off and weld can be selected according to actual needs voluntarily.
Embodiment two:
As shown in Figure 4, be described for open damage of switching transistor T3 generation in scheming, namely switching transistor T3 causes short circuit between its source-drain electrode and grid owing to there being the existence of impurity particle in manufacturing process, thus cause dysfunction normally to work, therefore the switching transistor T4 in backup circuit breaker transistor group is needed to substitute, particularly, the position that 11 in Fig. 4 can be represented adopts laser cutting, cut off and the abnormal source electrode of switching transistor T3 and the connection of signal wire occur, make it quit work; Adopt laser to be welded by the reserved metal wire of 22 positions represented in Fig. 4, the grid of switching transistor T3 is connected with the grid of switching transistor T4; Adopt laser to be welded by the reserved metal wire of 33 positions represented in Fig. 4, the drain electrode of switching transistor T3 is connected with the drain electrode of switching transistor T4; And adopt laser that 44 and 55 positions represented in Fig. 4 are adopted laser cutting, to ensure that the switching transistor not for repairing can not affect the normal work of shift register treatment circuit, so far the switching transistor T4 for repairing in backup circuit breaker transistor group can realize replacing abnormal switching transistor T3 occurs, repair shift register, shift register is normally worked.It should be noted that in above-described embodiment the action order in no particular order adopting laser cutting and welding, the order cut off and weld can be selected according to actual needs voluntarily.
Based on same inventive concept, embodiments provide a kind of grid integrated drive electronics, the above-mentioned shift register that the multiple embodiment of the present invention comprising cascade provide.The principle of dealing with problems due to this grid integrated drive electronics is similar to above-mentioned shift register, and therefore the enforcement of this grid integrated drive electronics see the embodiment of above-mentioned shift register, can repeat part and repeat no more.
Based on same inventive concept, embodiments provide a kind of display panel, comprise the above-mentioned grid integrated drive electronics that the embodiment of the present invention provides.The principle of dealing with problems due to this display panel is similar to above-mentioned shift register, and therefore the enforcement of this display panel see the embodiment of above-mentioned shift register, can repeat part and repeat no more.
In the specific implementation, in the above-mentioned display panel that the embodiment of the present invention provides, comprise the above-mentioned grid integrated drive electronics that two groups of embodiment of the present invention provide, described in two groups, grid integrated drive electronics lays respectively at the neighboring area of the relative both sides of described display panel.Particularly, in the above-mentioned display panel that the embodiment of the present invention provides, two groups of grid integrated drive electronicss can be adopted to realize bilateral driving, and adopt the above-mentioned grid integrated drive electronics that the embodiment of the present invention provides, can switching transistor in shift register treatment circuit because of technological problems occur abnormal time, substituted by backup circuit breaker transistor and abnormal switching transistor occurs, and then can the shift register of repair function exception, the fraction defective that the display that reduction display panel causes because of technological reason is bad, thus improve the production yield of corresponding product.
Based on same inventive concept, embodiments provide a kind of display device, comprise the above-mentioned display panel that the embodiment of the present invention provides.This display device can be any product or parts with Presentation Function such as mobile phone, panel computer, televisor, display, notebook computer, digital album (digital photo frame), navigating instrument.The principle of dealing with problems due to this display device is similar to display panel, and therefore the enforcement of this display device see the enforcement of above-mentioned display panel, can repeat part and repeat no more.
Embodiments provide a kind of shift register, its restorative procedure, grid integrated drive electronics, display panel and display device, this shift register comprises shift register treatment circuit, shift register treatment circuit comprises multiple switching transistor, and shift register also comprises: at least one group of backup circuit breaker transistor; First reserved metal wire is set between the grid of the grid of backup circuit breaker transistor and the switching transistor of shift register treatment circuit; The source electrode of backup circuit breaker transistor is connected with the source electrode of the switching transistor of shift register treatment circuit; Second reserved metal wire is set between the drain electrode of the drain electrode of backup circuit breaker transistor and the switching transistor of shift register treatment circuit; Backup circuit breaker transistor is used for when the switching transistor of shift register treatment circuit is abnormal, is substituted in shift register treatment circuit abnormal switching transistor occurs by the first reserved metal wire and the second reserved metal wire.Like this by arranging backup circuit breaker transistor in a shift register, when switching transistor in shift register treatment circuit is because of technological problems appearance exception, by the first reserved metal wire, the grid of backup circuit breaker transistor is connected with the grid that abnormal switching transistor occurs in shift register treatment circuit, by the second reserved metal wire, the drain electrode of backup circuit breaker transistor is connected with the drain electrode that abnormal switching transistor occurs in shift register treatment circuit, thus the switching transistor that backup circuit breaker transistor substitutes generation exception can be realized, and then can the shift register of repair function exception, the fraction defective that the display that reduction display panel causes because of technological reason is bad, thus improve the production yield of corresponding product.
Obviously, those skilled in the art can carry out various change and modification to the present invention and not depart from the spirit and scope of the present invention.Like this, if these amendments of the present invention and modification belong within the scope of the claims in the present invention and equivalent technologies thereof, then the present invention is also intended to comprise these change and modification.
Claims (12)
1. a shift register, comprises shift register treatment circuit, and described shift register treatment circuit comprises multiple switching transistor, it is characterized in that, described shift register also comprises: at least one group of backup circuit breaker transistor;
First reserved metal wire is set between the grid of the grid of described backup circuit breaker transistor and the switching transistor of described shift register treatment circuit;
The source electrode of described backup circuit breaker transistor is connected with the source electrode of the switching transistor of described shift register treatment circuit;
Second reserved metal wire is set between the drain electrode of the drain electrode of described backup circuit breaker transistor and the switching transistor of described shift register treatment circuit;
Described backup circuit breaker transistor is used for when the switching transistor of described shift register treatment circuit is abnormal, is substituted in described shift register treatment circuit abnormal switching transistor occurs by the described first reserved metal wire and the described second reserved metal wire.
2. shift register as claimed in claim 1, is characterized in that, the switching transistor of described shift register treatment circuit and described backup circuit breaker transistor are synchronously formed.
3. shift register as claimed in claim 2, is characterized in that, the source electrode of the described first reserved metal wire and described backup circuit breaker transistor to be arranged with layer with draining.
4. shift register as claimed in claim 3, is characterized in that, the grid of the described second reserved metal wire and described backup circuit breaker transistor is arranged with layer.
5. the shift register as described in any one of claim 1-4, is characterized in that, also comprises: jumper;
Described jumper and the 3rd metal level are arranged with layer;
Described 3rd metal level is the metal level except the gate metal layer of described backup circuit breaker transistor and source-drain electrode metal level.
6. the restorative procedure of shift register as described in any one of claim 1-5, is characterized in that, comprising:
Cut off in described shift register treatment circuit and the source electrode of abnormal switching transistor and the connection of respective signal line occur, or the connection of drain electrode and respective signal line;
The grid of grid and the described backup circuit breaker transistor that abnormal switching transistor occurs in described shift register treatment circuit is connected by the first reserved metal wire;
The drain electrode of drain electrode and the described backup circuit breaker transistor that abnormal switching transistor occurs in described shift register treatment circuit is connected by the second reserved metal wire.
7. the restorative procedure of shift register as claimed in claim 6, it is characterized in that, one group of backup circuit breaker transistor comprises multiple switching transistor, and the restorative procedure of described shift register, also comprises:
To cut off in backup circuit breaker transistor group not for the source electrode of switching transistor repaired and the connection of the source electrode of the switching transistor for repairing.
8. the restorative procedure of shift register as claimed in claims 6 or 7, is characterized in that, adopts laser to carry out the action cut off and/or connect.
9. a grid integrated drive electronics, is characterized in that, comprises multiple shift registers as described in any one of claim 1-5 of cascade.
10. a display panel, is characterized in that, comprises grid integrated drive electronics as claimed in claim 9.
11. display panels as claimed in claim 10, is characterized in that, comprise two groups of grid integrated drive electronicss as claimed in claim 9, described in two groups, grid integrated drive electronics lays respectively at the neighboring area of the relative both sides of described display panel.
12. 1 kinds of display device, is characterized in that, comprise the display panel as described in claim 10 or 11.
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| WO2022183313A1 (en) * | 2021-03-01 | 2022-09-09 | 京东方科技集团股份有限公司 | Shift register, gate driver circuit, and display panel |
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