CN110333631B - Driving array substrate, display panel and display device - Google Patents
Driving array substrate, display panel and display device Download PDFInfo
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- CN110333631B CN110333631B CN201910571699.XA CN201910571699A CN110333631B CN 110333631 B CN110333631 B CN 110333631B CN 201910571699 A CN201910571699 A CN 201910571699A CN 110333631 B CN110333631 B CN 110333631B
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- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/1343—Electrodes
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- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/136—Liquid crystal cells structurally associated with a semi-conducting layer or substrate, e.g. cells forming part of an integrated circuit
- G02F1/1362—Active matrix addressed cells
- G02F1/136259—Repairing; Defects
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- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/136—Liquid crystal cells structurally associated with a semi-conducting layer or substrate, e.g. cells forming part of an integrated circuit
- G02F1/1362—Active matrix addressed cells
- G02F1/136286—Wiring, e.g. gate line, drain line
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- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/136—Liquid crystal cells structurally associated with a semi-conducting layer or substrate, e.g. cells forming part of an integrated circuit
- G02F1/1362—Active matrix addressed cells
- G02F1/136259—Repairing; Defects
- G02F1/136263—Line defects
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Abstract
The invention relates to a driving array substrate, a display panel and a display device. The driving array substrate comprises a substrate, a plurality of scanning lines arranged along a first direction of the substrate, a plurality of data lines arranged along a second direction of the substrate, a plurality of thin film transistors and a plurality of pixel electrodes. The surface of the substrate is divided into a plurality of pixel areas by a plurality of scanning lines and a plurality of data lines. Each pixel electrode covers the corresponding pixel area, and two first notches are formed in at least one of two sides of each pixel electrode and two sides of the adjacent data lines. Each thin film transistor is arranged in the corresponding pixel region, the grid electrode of each thin film transistor is connected with the corresponding scanning line, the source electrode of each thin film transistor is connected with the corresponding data line, and the drain electrode of each thin film transistor is connected with the corresponding pixel electrode.
Description
Technical Field
The invention relates to the field of display, in particular to a driving array substrate, a display panel and display equipment.
Background
With the development of liquid crystal display technology, the production yield of liquid crystal display panels has become a target pursued by various liquid crystal manufacturers. The driving array substrate is an important component of the liquid crystal panel, and during the manufacturing process of the driving array substrate, a phenomenon that a certain data line is broken occurs at a certain probability, and at this time, the broken line needs to be repaired to improve the yield. In a conventional data line repairing method, holes are dug in the upper and lower sides of a broken data line, a pixel transparent electrode ITO (Indium Tin Oxide) covered by the dug holes is removed, and then metal lines are led out from the two holes to connect the broken data line so as to repair the broken data line.
In production practice, the inventor finds that, since the side of the pixel transparent electrode ITO close to the data line is easy to remain when being removed, the data line and the pixel transparent electrode ITO are easy to be short-circuited when a new data metal line is added subsequently.
Disclosure of Invention
In view of the above, it is necessary to provide a driving array substrate, a display panel and a display device, aiming at the technical problem that the repair data lines are easy to be short-circuited.
The embodiment of the invention provides a driving array substrate, which comprises a substrate, a plurality of scanning lines, a plurality of data lines, a plurality of thin film transistors and a plurality of pixel electrodes, wherein the plurality of scanning lines are arranged along a first direction of the substrate;
the surface of the substrate is divided into a plurality of pixel areas by a plurality of scanning lines and a plurality of data lines;
each pixel electrode covers the corresponding pixel area, and two first notches are formed in at least one of two sides of each pixel electrode and two sides of the adjacent data line;
each thin film transistor is arranged in the corresponding pixel region, the grid electrode of each thin film transistor is connected with the corresponding scanning line, the source electrode of each thin film transistor is connected with the corresponding data line, and the drain electrode of each thin film transistor is connected with the corresponding pixel electrode.
In one embodiment, the two first notches are respectively located at two ends of one side of the pixel electrode.
In one embodiment, each side of the pixel electrode close to the adjacent data line is provided with two first notches.
In one embodiment, the pixel electrode is further provided with a second gap, and the second gap is located between the two first gaps.
In one embodiment, the number of the second notches is one, and the second notch is located between the two first notches.
In one embodiment, the pixel electrode is a transparent electrode.
In one embodiment, the transparent electrode is an indium tin oxide transparent electrode.
In one embodiment, the shape of the second notch is the same as the shape of the first notch.
The embodiment of the invention also provides a display panel, which comprises the driving array substrate, a color film substrate matched with the driving array substrate, and a liquid crystal layer arranged between the driving array substrate and the color film substrate.
The embodiment of the invention also provides display equipment which comprises the display panel provided by the embodiment.
According to the driving array substrate, the pixel electrode is designed, the two notches are formed in one side, close to the data line, of the pixel electrode, when a section of the data line corresponding to the two notches is broken, the metal wire can be led out from the two notches to repair the data line, short circuit caused by incomplete clearing of the pixel electrode is avoided, and the repair rate and the production yield of the driving array panel are improved.
Drawings
Fig. 1 is a schematic top view of a driving array substrate having two first gap pixel electrodes according to an embodiment of the present invention;
FIG. 2 is a diagram illustrating a repair data line according to an embodiment of the present invention;
fig. 3 is a schematic top view of a driving array substrate with a second notch pixel electrode according to an embodiment of the invention.
Detailed Description
For better understanding of the objects, technical solutions and effects of the present invention, the present invention will be further explained with reference to the accompanying drawings and examples. Meanwhile, the following described examples are only for explaining the present invention, and are not intended to limit the present invention.
As shown in fig. 1, an embodiment of the invention provides a driving array substrate, which includes a substrate 1, a plurality of data lines 11, a plurality of scan lines 12, a plurality of thin film transistors 2, and a plurality of pixel electrodes 3.
The data lines 11 and the scan lines 12 are conductive lines provided on the substrate 1. The scan lines 12 are arranged along a first direction of the substrate 1, and the data lines 11 are arranged along a second direction of the substrate 1. The data lines 11 and the scan lines 12 are overlapped with each other to divide the surface of the substrate 1 into a plurality of pixel regions, that is, any two adjacent data lines 11 and any two adjacent scan lines 12 are crossed with each other to form a pixel region on the surface of the substrate 1.
Each Thin Film Transistor 2 (TFT) is provided in a corresponding pixel region. The gate of each thin film transistor 2 is connected to the corresponding scan line 12, the source of each thin film transistor 2 is connected to the corresponding data line 11, and the drain of each thin film transistor 2 is connected to the corresponding pixel electrode 3. Wherein the pixel electrode 3 covers the pixel region. The pixel electrode 3 covering the pixel region means that the pixel electrode 3 directly or indirectly covers the corresponding pixel region on the substrate 1, for example, in each pixel region, the thin film transistor 2 may be disposed on the substrate 1, and the pixel electrode 3 covers part of the thin film transistor 2 and covers other regions of the substrate 1 in the pixel region. For another example, in each pixel region, the substrate 1 may be provided with the pixel electrode 3 first, and then the thin film transistor 2, the pixel electrode 3 directly covers the corresponding pixel region on the substrate 1, and the thin film transistor 2 covers a portion of the pixel electrode 3. Of course, other functional layers, such as a passivation layer, or a common electrode layer for improving display performance, etc., may be disposed between the pixel electrode 3 and the substrate 1 as needed, which can be known and implemented by those skilled in the art, and will not be described herein again.
Each pixel electrode 3 is covered in the corresponding pixel region, so that each pixel electrode 3 has two sides adjacent to the data lines 11 and two ends adjacent to the scan lines 12. At least one of two adjacent sides of each pixel electrode 3 and the data line 11 has two first notches 31. Wherein, two first notches 31 can be opened at any two positions of the side. For example, two first notches 31 may be respectively formed at two ends of one side of the pixel electrode 3 adjacent to the scanning line 12, and there are two first notches in total; one first notch 31 may be formed in the middle of one side of the pixel electrode 3 adjacent to the scan line 12 and at one end of the side, so that two first notches are formed in total. When a section of the data line 11 corresponding to the two first notches is broken, a metal line may be directly led out from the first notch 31 to repair the broken data line 11, that is, the metal line is led out from the data line 11 corresponding to one of the first notches 31, one end of the metal line is connected to the data line 11 corresponding to the first notch 31, and the other end of the metal line passes through the pixel electrode 3, passes out from the other first notch 31, and is connected to the data line 11 corresponding to the other first notch 31, so that the repair of the data line 11 is completed. Optionally, the metal wire is arranged to pass through the pixel electrode 3, a channel communicating the two first notches 31 can be cleaned on the pixel electrode 3 in advance along a direction parallel to the data line 11, and then the metal wire is led out to pass through the pixel electrode 3 along the channel to repair the data line 11. There are many ways to clear the channel, and alternatively, a laser cutting method may be used to burn off a part of the pixel electrode 3 that needs to be cleared. There are many methods for disposing the metal lines, and the metal lines may be deposited along the channels by CVD (Chemical Vapor Deposition). Chemical vapor deposition refers to a method of synthesizing a coating or a nano material by reacting chemical gas or vapor on the surface of a substrate. The data lines 11 and the scanning lines 12 may be arranged in this manner. Therefore, the metal lines may be made of the same material as the data lines 11, so as to reduce contact resistance or other electrical effects between different materials and avoid affecting the performance of the driving array substrate. Of course, the broken data line 11 can be repaired by using a conductive line made of other conductive materials, such as indium tin oxide (ito) conductive material. The repairing method can improve the yield of driving the array substrate, and can avoid the residual part of the pixel electrode 3 at the corner close to the data line 11, thereby avoiding the condition that the pixel area of the panel fails due to the short circuit of the data line 11 and the pixel electrode 3.
At least one of two adjacent sides of each pixel electrode 3 and the data line 11 has two first notches 31, which means that one of the two sides of the pixel electrode 3 may have two first notches 31, or both the two sides may have two first notches 31.
The shape of the first notch 31 may be a square, a parallelogram, a sector, etc., as long as the notch can be opened, and the notch is in line contact with the adjacent data line 11, that is, the portion where the notch and the data line 11 meet is a line segment, and has a certain width, so that the metal line for repair can be conveniently led out without being in false contact with other conductors to cause short circuit.
Alternatively, the scan line 12 is used to transmit a scan signal to the thin film transistor 2, and the source and the drain of the thin film transistor 2 are turned on after the gate of the thin film transistor 2 receives the scan signal. At this time, the data line 11 is used to transmit a display signal to the source of the thin film transistor 2. After the source of the thin film transistor 2 receives the display signal, the source and the drain of the thin film transistor 2 are turned on, so that the source transmits the display signal to the drain, the drain is connected to the pixel electrode 3, that is, the pixel electrode 3 also receives the display signal. The pixel electrode 3 is configured to supply a display voltage to the liquid crystal. Optionally, the display signal is transmitted from the data line 11 to the pixel electrode 3 in a voltage form, that is, the data line 11 transmits the display voltage to the pixel electrode 3, the pixel electrode 3 provides the display voltage to the liquid crystal, the liquid crystal is driven by the display voltage to rotate, so that the polarization direction of the light passing through the liquid crystal can be changed, and the transmittance of the light can be controlled by matching with the polarizer and the analyzer, that is, the polarizer and the upper polarizer of the display panel respectively correspond to the lower polarizer and the upper polarizer of the display panel, so as to realize image display.
According to the driving array substrate provided by the embodiment of the invention, the two first notches 31 are formed in the pixel electrode 3, so that when a section of the data line 11 corresponding to the two first notches 31 is broken, namely, when a section of the data line 11 corresponding to the two first notches 31 is broken, the metal wires can be respectively led out from the parts of the two notches corresponding to the data line 11 to repair the data line 11, and the broken parts of the data line 11 are reconnected, so that the yield of the driving array substrate is improved. According to the driving array substrate provided by the embodiment of the invention, because the first gap 31 structure exists on the pixel electrode 3, when broken wires are repaired, the situation that the data wire 11 and the pixel electrode 3 are short-circuited due to the fact that the residual part of the pixel electrode 3 is removed to be in contact with a newly led-out metal wire can not occur, so that the repairing success rate can be improved, and the production yield of the driving array substrate can be improved.
In one embodiment, two first notches 31 are respectively located at two ends of one side of the pixel electrode 3. That is, the first notches 31 are formed at both ends of the pixel electrode 3 on the side close to the adjacent data line 11. The first notches 31 are formed at two ends of one side of the pixel electrode 3, so that the first notches 31 can cover the broken line point of the data line 11 to the maximum extent, namely, two first notches 31 which can be used for repairing the broken line point can be found on one corresponding pixel electrode 3 at any broken line point of the data line 11.
In one embodiment, two first notches 31 are formed on each side of the pixel electrode 3 close to the adjacent data lines 11. The two first notches 31 formed on each side of the pixel electrode 3 may or may not correspond to each other in position. The two sides of the pixel electrode 3 close to the adjacent data lines 11 are a first side and a second side respectively, the two first notches 31 arranged on the first side can be located at any two positions of the first side, and the two first notches 31 arranged on the second side can also be located at any two positions of the second side. For example, two first notches 31 are formed in the first side of the pixel electrode 3, and two first notches 31 may be formed in each of the two ends of the first side, where the first side has two notches in total; the second side of the pixel electrode 3 is provided with two first notches 31, or two first notches 31 may be respectively provided at two ends of the second side, and the second side has two first notches 31 in total, and at this time, the two first notches 31 at the first side and the two first notches 31 at the second side are both corresponding in position. For another example, the positions of the first notches 31 on both sides do not correspond: a first notch 31 is respectively arranged at two ends of the first side, a first notch 31 is arranged at one end of the second side of the pixel electrode 3, and a first notch 31 is arranged in the middle of the second side; at this time, the first notch 31 opened at one end of the second side corresponds to the first notch 31 opened at the same end of the first side, and the first notch 31 opened at the middle of the second side does not correspond to the first notch 31 opened at the other end of the first side.
Two first gaps 31 are respectively formed in two sides of one pixel electrode 3, when one data line 11 is broken, two first gaps 31 are respectively formed in two sides of each pixel electrode 3, and therefore, gaps capable of repairing broken lines of the data line 11 exist in two sides of the data line, and the repair success rate can be improved during repair. For example, in the case of repair, a newly drawn metal wire may be made relatively thin in consideration of influences on light shielding and aperture ratio, and thus, a wire break may occur. During repair, if a fault occurs, the metal wire is broken, and the two first notches 31 on the other side of the data wire 11 can be used for repair, so that the repair chance is increased once, the repair success rate is equivalently improved, and the production yield of the driving array substrate is improved.
On the other hand, the two first notches 31 formed on the two sides of one pixel electrode 3 may be arranged to be complementary in position, for example, a first notch 31 is formed at the first end of the first side of the pixel electrode 3, and a first notch 31 is formed in the middle of the first side; a notch is formed in the middle of the second side of the pixel electrode 3, and a notch is formed at the second end of the second side. When the data line 11 is disconnected, the two first notches 31 on the two sides of the data line 11 are different in position, but a pair of first notches 31 closest to the disconnection position can be always found, so that the data line 11 with the disconnection is repaired by leading out the metal wire from the pair of first notches 31 closest to the disconnection position. Thus, the pair of first notches 31 which saves most material can be selected to repair the broken data line 11, and the cost is saved. Therefore, in the driving array substrate provided by the embodiment of the invention, the two first notches 31 are formed at each side of the pixel electrode 3 close to the adjacent data line 11, so that various repairing options can be provided for repairing the broken data line 11, the difficulty of broken line repairing is reduced, the repairing success rate is improved, the production yield of the driving array substrate is improved, and the material cost is also saved.
In one embodiment, the pixel electrode 3 further defines a second gap 32, and the second gap 32 is located between the two first gaps 31. The second notch 32 is provided on the same side as the first notch 31, and is used for matching with the first notch 31, leading out a metal wire, and repairing the broken data line 11. The second notch 32 may be a square, parallelogram, fan-shaped, or the like, as long as the notch can be opened, and the notch and the adjacent data line 11 are in line contact, that is, the portion where the notch and the data line 11 meet is a line segment, and has a certain width, so that the metal line for repair can be conveniently led out without being in error contact with other conductors to cause short circuit. Alternatively, the second notch 32 may be provided in plurality and distributed between the two first notches 31 on the same side. Optionally, two first notches 31 on the same side are opened at two ends, and the plurality of second notches 32 are opened between the two first notches 31 on the same side at equal intervals. Thus, when the data line 11 adjacent to the side is short-circuited, two gaps closest to the broken line can be always found, and the gold wire is led out from the two gaps to repair the data line 11. For example, when the line short of the data line 11 occurs near the middle of the pixel electrode 3, it is inevitable to find that the two second notches 32 near the middle are closest to the broken line, and therefore, reference may be made to a method of repairing the broken line using the first notch 31: and in the direction parallel to the data line 11, a channel for communicating the two second gaps 32 is cleaned between the two second gaps 32 closest to the broken line on the pixel electrode 3, then a metal line is led out from the data line 11 corresponding to one of the second gaps 32, one end of the metal line is connected with one section of the data line 11 near one second gap 32 at the broken line, the other end of the metal line penetrates through the other second gap 32 along the channel, and is connected with one section of the data line 11 near the other second gap 32 at the broken line, so that the repair of the data line 11 is completed. Similarly, the method of disposing the metal wire is also the same as the method of drawing the metal wire from the first notch 31 in the other embodiments described above; the method for setting the channel is the same as the method for clearing the channel from between the two first gaps 31 in the other embodiments, and is not described herein again. In the embodiment of the invention, the second notch 32 is arranged between the two first notches 31, so that when the adjacent data line 11 is broken, the length of a newly added metal line can be reduced during repair, and the material cost is saved.
In one embodiment, a second notch 32 is provided between two first notches 31 on the same side. Wherein, two first gaps 31 are respectively arranged at two ends of the same side, and a second gap 32 is arranged between the two first gaps 31. In the pixel electrode 3 with the first notch 31 and the second notch 32 configured in this way, when the adjacent data lines 11 are broken, one first notch 31 with the shortest distance to the broken line and the other notch with the shortest distance to the broken line, namely the second notch 32 located in the middle are always found, and the broken data lines 11 are repaired by drawing metal wires from the two notches, wherein the length of the metal wires can be at least half of the length of the repaired gold wires from the first notches 31 at the two ends. Therefore, the second notch 32 is formed between the two first notches 31 formed at the two ends of the same side, so that the length of a newly added metal wire when the data wire 11 is repaired can be saved, and the material cost is saved.
In one embodiment, the pixel electrode 3 is a transparent electrode. The pixel electrode 3 is an electrode covering the substrate and used for supplying a display voltage to the liquid crystal. Since the liquid crystal is disposed above the transparent electrode for controlling the transmittance of light, the pixel electrode 3 needs to be made of a transparent material to avoid the influence of light shielding on the display performance. Alternatively, the pixel electrode 3 may employ indium tin oxide as a transparent electrode. The indium tin oxide has high light passing rate, strong conductive capability and small adverse effect on display performance. Alternatively, the pixel electrode 3 may also be made of a graphene material, and also has a transparent conductive property.
In one embodiment, the shape of the second notch 32 is the same as the shape of the first notch 31. The second notch 32 and the first notch 31 are identical in shape, and manufacturing cost can be saved. The first notch 31 and the second notch 32 are both notches opened on the pixel electrode 3 and are thus part of the shape of the pixel electrode 3. In the process of driving the array substrate, the pixel electrode 3 is formed by exposure and development. Similarly to the fabrication of the data lines 11 and the scan lines 12, when fabricating the pixel electrode 3, a layer of the pixel electrode 3 is deposited on the substrate by CVD or MOCVD (Metal Organic Chemical Vapor Deposition), and the layer of the pixel electrode 3 covers the surface of the substrate. Then, a layer of photoresist is covered on the pixel electrode 3 layer, and the photoresist is exposed and developed under the cooperation of a mask plate to form the final shape of the pixel electrode 3. Optionally, in the exposure process, after the photoresist is exposed and irradiated, the irradiated portion is insoluble to some solvent, and the unexposed portion is soluble, so when the exposed shape of the mask plate is made into the final shape of the pixel electrode 3, the exposed shape of the photoresist is the final shape of the pixel electrode 3, the unexposed portion can be dissolved by a specific solvent, and the portion outside the final shape of the pixel electrode 3 in the layer of the pixel electrode 3 is exposed, and this portion needs to be removed, so that this portion can be removed by a special solvent or other means, and since the portion needing to be protected is covered and protected by the photoresist, the portion needing to be protected is not affected and remains as the final shape of the pixel electrode 3, which is the development process. After development, the pixel electrode 3 layer is a plurality of pixel electrodes 3. As long as a notch is formed in the exposure pattern of the mask plate for the exposure matching, the pixel electrode 3 is also notched. If the shapes of the first notch 31 and the second notch 32 are different, different methods and processes are required to set patterns corresponding to the first notch 31 and the second notch 32 on the mask plate, which increases the steps for manufacturing the mask plate and increases the manufacturing cost of the mask plate. Therefore, if the shapes of the first notch 31 and the second notch 32 are set to be the same, the patterns corresponding to the first notch 31 and the second notch 32 on the mask plate can be set in the same manner, so that the complicated manufacturing steps are saved, and the cost is saved.
Optionally, it is considered that the driving array substrate and the color film substrate are matched with each other, and display is performed by controlling the transmittance of the backlight through liquid crystal, a black matrix is arranged at a position of the data line 11 corresponding to the color film substrate, and the black matrix is used for shielding light interference between adjacent pixel regions and shielding routing paths of the data line 11 and the scanning line 12. In order to minimize the influence of the first and second gaps 31 and 32 on the display effect, the first and second gaps 31 and 32 may be square shapes each having a length of 5 micrometers and a width of 5 micrometers, in consideration of the width of the scan line 12 and the width of the black matrix.
In one embodiment, third notches may be formed at two ends of the pixel electrode 3. Namely, two third notches are formed at one end of the two ends of the pixel electrode 3 close to the adjacent scanning lines 12, which is far away from the corresponding thin film transistor 2. Thus, when a segment of the scanning line 12 corresponding to two third gaps is broken, a similar method to the method for repairing the data line 11 may be adopted, a channel parallel to the scanning line 12 is cleaned between the two third gaps of the pixel electrode 3, then a metal line is led out from the scanning line 12 corresponding to one of the third gaps, one end of the metal line is connected to the segment of the scanning line 12 near one of the third gaps at the broken line, the other end of the metal line penetrates out from the other third gap along the channel, and is connected to the segment of the scanning line near the other third gap at the broken line of the scanning line 12, so that the broken scanning line 12 is reconnected, and the repair of the broken scanning line 12 is completed. Of course, the channel setting method and the new metal lead setting method of the scan line 12 are also the same as those in the other embodiments, and are not described herein again.
Optionally, a fourth gap may be opened between the two third gaps. Optionally, the opening manner of the second notch 32 may be similar, for example, a plurality of fourth notches may be opened; the plurality of fourth gaps can be arranged at equal intervals or at unequal intervals. Of course, only one fourth gap may be disposed between the two third gaps, so as to reduce the length of the metal wire used for repairing the scanning line 12, and save the material cost for repairing the scanning line 12. Of course, the third notch and the fourth notch may also be provided in the same shape with reference to the shape configuration of the first notch 31 and the second notch 32. Alternatively, the first notch 31, the second notch 32, the third notch, and the fourth notch may all be provided in the same shape.
The embodiment of the invention also provides a display panel, which comprises the driving array substrate, a color film substrate matched with the driving array substrate, and a liquid crystal layer arranged between the driving array substrate and the color film substrate.
An embodiment of the present invention further provides a display device, including the driving array substrate provided in any of the above embodiments, or including the display panel provided in the above embodiment. The display device may be a mobile phone, a computer, a television, etc.
The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.
Claims (10)
1. A driving array substrate is characterized by comprising a substrate, a plurality of scanning lines arranged along a first direction of the substrate, a plurality of data lines arranged along a second direction of the substrate, a plurality of thin film transistors and a plurality of pixel electrodes;
the surface of the substrate is divided into a plurality of pixel areas by the plurality of scanning lines and the plurality of data lines;
each pixel electrode covers the corresponding pixel area, two first notches are formed in at least one of two sides of each pixel electrode and two sides of the adjacent data lines, and the notches are in line contact with the adjacent data lines;
the first notch is used for leading out a metal wire, one end of the metal wire is connected with the data wire corresponding to the first notch, and the other end of the metal wire penetrates through the pixel electrode, penetrates out of the other first notch and is connected with the data wire part corresponding to the other first notch, so that the broken data wire is repaired; the metal wire is made of the same material as the data wire;
each thin film transistor is arranged in the corresponding pixel region, the grid electrode of each thin film transistor is connected with the corresponding scanning line, the source electrode of each thin film transistor is connected with the corresponding data line, and the drain electrode of each thin film transistor is connected with the corresponding pixel electrode.
2. The driving array substrate of claim 1, wherein the two first gaps are respectively located at two ends of one side of the pixel electrode.
3. The driving array substrate of claim 1, wherein two first notches are formed on each side of the pixel electrode adjacent to the data line.
4. The driving array substrate according to claim 1 or 2, wherein the pixel electrode further defines a second gap, and the second gap is located between the two first gaps.
5. The driving array substrate of claim 4, wherein the second gap is one, and the second gap is located between the two first gaps.
6. The driving array substrate of claim 5, wherein the pixel electrode is a transparent electrode.
7. The driving array substrate of claim 6, wherein the transparent electrode is an indium tin oxide transparent electrode.
8. The driving array substrate of claim 5, wherein the second notch has the same shape as the first notch.
9. A display panel, comprising the driving array substrate according to any one of claims 1 to 8, a color filter substrate matched with the driving array substrate, and a liquid crystal layer disposed between the driving array substrate and the color filter substrate.
10. A display device characterized by comprising the display panel according to claim 9.
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