CN106338870A - Electrostatic protection circuit and liquid crystal display - Google Patents
Electrostatic protection circuit and liquid crystal display Download PDFInfo
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- CN106338870A CN106338870A CN201610990516.4A CN201610990516A CN106338870A CN 106338870 A CN106338870 A CN 106338870A CN 201610990516 A CN201610990516 A CN 201610990516A CN 106338870 A CN106338870 A CN 106338870A
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- 239000004973 liquid crystal related substance Substances 0.000 title claims abstract description 43
- 230000003068 static effect Effects 0.000 claims abstract description 57
- 239000010409 thin film Substances 0.000 claims abstract description 55
- 230000005611 electricity Effects 0.000 claims abstract description 48
- 230000000694 effects Effects 0.000 claims abstract description 32
- 239000002184 metal Substances 0.000 claims description 8
- 238000010586 diagram Methods 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
Classifications
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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
- G02F1/136204—Arrangements to prevent high voltage or static electricity failures
-
- 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
-
- 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
- G02F1/1368—Active matrix addressed cells in which the switching element is a three-electrode device
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- Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Mathematical Physics (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Thin Film Transistor (AREA)
- Semiconductor Integrated Circuits (AREA)
- Liquid Crystal (AREA)
Abstract
The invention provides an electrostatic protection circuit and a liquid crystal display. The electrostatic protection circuit comprises a scan line, a common electrode line, a first thin film transistor, a second thin film transistor, a first connecting member and a second connecting member. The first connecting member and the second connecting member each include a first branch and a second branch. The first branch and the second branch are in a needle tip shape. The sharp point of the first branch is directed at one end of the sharp point of the second branch and is not in contact with each other so as to form a sharp discharge effect to output the static electricity on the scanning line to the common electrode line or to output the static electricity on the common electrode line to the scanning line. The electrostatic protection circuit of the present invention achieves an anti-static effect when generating static electricity, and does not affect the normal charging of the pixel during normal operation, such that the display screen of the liquid crystal display is not affected.
Description
Technical Field
The invention relates to the technical field of manufacturing of liquid crystal displays, in particular to an electrostatic protection circuit and a liquid crystal display.
Background
Liquid crystal displays are currently commonly used flat panel displays, and among them, thin film transistor liquid crystal displays are the mainstream products in liquid crystal displays. In the continuous development of liquid crystal displays, the performance and reliability of products are continuously enhanced, and especially, the electrostatic protection capability is steadily increased in the continuous improvement along with the continuous updating of the design and the continuous improvement of the process, so that the reliability of the products is greatly enhanced.
Referring to fig. 1, fig. 1 is a schematic circuit diagram of an electrostatic discharge protection circuit in a conventional lcd. The electrostatic protection circuit comprises a scanning line M2, a common electrode line M1 and two thin film transistors T1 and T2, and is used for outputting static electricity on the scanning line M2 to the common electrode line M1 or outputting static electricity on the common electrode line M1 to the scanning line M2. However, when the scan line M2 normally operates, the high voltage on the scan line turns on the thin film transistor T1, so that the voltage on the scan line M2 is partially dropped, and the pixel cannot be normally charged, which affects the display image of the lcd.
Therefore, it is necessary to provide an electrostatic discharge protection circuit and a liquid crystal display to solve the problems of the prior art.
Disclosure of Invention
The present invention provides an electrostatic discharge protection circuit to solve the technical problem that a part of voltage is lost when an electrostatic discharge protection circuit in an existing liquid crystal display is in a normal operating state, so that pixels cannot be charged normally, and a display image of the liquid crystal display is affected.
In order to solve the above problems, the technical scheme provided by the invention is as follows:
the invention provides an electrostatic protection circuit, which comprises:
a scan line connected with the first connection member;
the common electrode wire is connected with the second connecting component;
a first thin film transistor, a source of which is connected to the common electrode line, and a gate and a drain of which are connected to the first connection member;
a second thin film transistor, a source of which is connected to the scan line, and a gate and a drain of which are connected to the second connection member; wherein,
the first connecting component and the second connecting component both comprise a first branch and a second branch, the first branch and the second branch are in a needle point shape, one end of a sharp point of the first branch faces one end of a sharp point of the second branch and are not in contact with each other, so that a point discharge effect is formed, and static electricity on the scanning line is output to the common electrode line or static electricity on the common electrode line is output to the scanning line.
In the electrostatic protection circuit of the invention, the first branch and the second branch are metal wirings.
In the electrostatic protection circuit according to the present invention, in the first connection member, the other end of the first branch is connected to the scan line, and the other end of the second branch is connected to the source and the drain of the first thin film transistor.
In the electrostatic protection circuit according to the present invention, in the second connection member, the other end of the first branch is connected to the common electrode line, and the other end of the second branch is connected to the source and the drain of the second thin film transistor.
In the esd protection circuit of the present invention, the first thin film transistor and the second thin film transistor are both N-type thin film transistors.
According to the above object of the present invention, there is also provided a liquid crystal display including an electrostatic discharge protection circuit, including:
a scan line connected with the first connection member;
the common electrode wire is connected with the second connecting component;
a first thin film transistor, a source of which is connected to the common electrode line, and a gate and a drain of which are connected to the first connection member;
a second thin film transistor, a source of which is connected to the scan line, and a gate and a drain of which are connected to the second connection member; wherein,
the first connecting component and the second connecting component both comprise a first branch and a second branch, the first branch and the second branch are in a needle point shape, one end of a sharp point of the first branch faces one end of a sharp point of the second branch and are not in contact with each other, so that a point discharge effect is formed, and static electricity on the scanning line is output to the common electrode line or static electricity on the common electrode line is output to the scanning line.
In the liquid crystal display of the invention, the first branch and the second branch are metal wirings.
In the liquid crystal display device of the present invention, in the first connection member, the other end of the first branch is connected to the scanning line, and the other end of the second branch is connected to the source and the drain of the first thin film transistor.
In the liquid crystal display of the present invention, in the second connection member, the other end of the first branch is connected to the common electrode line, and the other end of the second branch is connected to the source and the drain of the second thin film transistor.
In the liquid crystal display of the present invention, the first thin film transistor and the second thin film transistor are both N-type thin film transistors.
The electrostatic protection circuit of the invention forms a tip effect through the first connecting part and the second connecting part, and when the electrostatic protection circuit works normally, the circuit is disconnected through the first connecting part and the second connecting part; when static electricity is generated, the static electricity is output through a tip effect, so that an anti-static effect can be achieved when the static electricity is generated; when the liquid crystal display works normally, the normal charging of the pixels can not be influenced, so that the display picture of the liquid crystal display can not be influenced; the technical problem that the display picture of a liquid crystal display is influenced because a part of voltage can be lost when the conventional electrostatic protection circuit is in a normal working state so that pixels cannot be charged normally is solved.
In order to make the aforementioned and other objects of the present invention more comprehensible, preferred embodiments accompanied with figures are described in detail below:
drawings
The technical solution and other advantages of the present invention will become apparent from the following detailed description of specific embodiments of the present invention, which is to be read in connection with the accompanying drawings.
FIG. 1 is a schematic circuit diagram of an electrostatic discharge protection circuit of a conventional LCD;
FIG. 2 is a schematic circuit diagram of an ESD protection circuit according to a preferred embodiment of the present invention;
fig. 3 is an enlarged schematic view of the first and second connection parts of the preferred embodiment of the electrostatic protection circuit of the present invention.
Detailed Description
To further illustrate the technical means and effects of the present invention, the following detailed description is given with reference to the preferred embodiments of the present invention and the accompanying drawings. It is to be understood that the described embodiments are merely exemplary of the invention, and not restrictive of the full scope of the invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, but the present invention may be practiced in other ways than those specifically described and will be readily apparent to those of ordinary skill in the art without departing from the spirit of the present invention, and therefore the present invention is not limited to the specific embodiments disclosed below.
Referring to fig. 2, fig. 2 is a schematic circuit diagram of an esd protection circuit according to a preferred embodiment of the present invention;
as shown in fig. 1, the electrostatic protection circuit of the preferred embodiment includes a scan line M2, a common electrode line M1, a first thin film transistor T1, a second thin film transistor T2, a first connection part S1, and a second connection part S2. Wherein, the scan line M2 is connected to the first connecting part S1; the common electrode line M1 is connected with the second connection member S2; the source of the first thin film transistor T1 is connected to the common electrode line M1, and the gate and the drain of the first thin film transistor T1 are connected to the first connection part S1; the source of the second thin film transistor T2 is connected to the scan line M2, and the gate and drain of the second thin film transistor T2 are connected to the second connection member S2.
Referring to fig. 2 and 3, fig. 3 is an enlarged schematic view of the first connecting part and the second connecting part of the preferred embodiment of the esd protection circuit according to the invention;
further, the first connecting component S1 includes a first branch L1 and a second branch L2, the first branch L1 and the second branch L2 are needle-tip shaped, and a tip end of the first branch L1 faces a tip end of the second branch L2 and does not contact with each other, so as to form a tip effect to output the static electricity on the scan line M2 to the common electrode line M1;
in the first connection part S1, the other end of the first branch L1 is connected to the scan line M2, and the other end of the second branch L2 is connected to the source and drain of the first thin film transistor T1.
Similarly, the second connection member S2 includes a first branch L1 and a second branch L2, the first branch L1 and the second branch L2 are needle-tip shaped, and a tip end of the first branch L1 faces a tip end of the second branch L2 and does not contact with each other, so as to form a tip effect to output the static electricity on the common electrode line M1 to the scan line M2;
in the second connection member S2, the other end of the first branch L1 is connected to the common electrode line M1, and the other end of the second branch L2 is connected to the source and drain of the second thin film transistor T2.
Preferably, in the preferred embodiment, the first branch L1 and the second branch L2 on the first connecting component S1 and the second connecting component S2 are metal wires, and the metal wires are needle-pointed to form a tip effect, so that when static electricity is generated, the static electricity can be output through the tip effect, and thus the protection effect is achieved; in addition, the first branch L1 and the second branch L2 are not in contact with each other, so that the electrostatic protection circuit can be disconnected during normal work, the voltage during normal work cannot be lost, and the pixel can be charged normally.
In the present preferred embodiment, the first and second thin film transistors T1 and T2 are N-type thin film transistors.
The electrostatic protection circuit of the preferred embodiment is used in two situations: a working state when static electricity is generated and a working state when static electricity is not generated (normal operation);
specifically, when static electricity is generated on the scan line M2, the static electricity flows to the first thin film transistor T1 through the first connection member S1, and is finally output to the common electrode line M1. When the static current is transmitted to the first branch L1, the line between the first branch L1 and the second branch L2 is turned on due to the tip effect, and the static current is output to the common electrode line M1;
when no static electricity is generated on the scan line M2, since the first branch L1 and the second branch L2 are not in contact with each other, the voltage on the scan line M2 is not lost in a normal state, and the pixel can be charged normally, so that the display frame of the liquid crystal display is not affected.
Also, when static electricity is generated on the common electrode line M1, the static electricity flows through the second connection member S2 to the second thin film transistor T2 and is finally output to the scan line M2. When the static current is transmitted to the first branch L1, the line between the first branch L1 and the second branch L2 is turned on due to the tip effect, and the static current is output to the scan line M2;
when no static electricity is generated on the common electrode line M1, since the first branch L1 and the second branch L2 are not in contact with each other, the voltage on the common electrode line M1 is not lost in a normal state, and the pixel can be charged normally, so that the display picture of the liquid crystal display is not affected.
The electrostatic protection circuit of the preferred embodiment forms a tip effect through the first connecting part and the second connecting part, and when the electrostatic protection circuit works normally, the circuit is disconnected through the first connecting part and the second connecting part; when static electricity is generated, the static electricity is output through a tip effect, so that an anti-static effect can be achieved when the static electricity is generated; when the liquid crystal display works normally, the normal charging of the pixels can not be influenced, so that the display picture of the liquid crystal display can not be influenced; the technical problem that the display picture of a liquid crystal display is influenced because a part of voltage can be lost when the conventional electrostatic protection circuit is in a normal working state so that pixels cannot be charged normally is solved.
An embodiment of the present invention further provides a liquid crystal display, which includes an electrostatic protection circuit including a scan line, a common electrode line, a first thin film transistor, a second thin film transistor, a first connection member, and a second connection member. Wherein, the scanning line is connected with the first connecting component; the common electrode wire is connected with the second connecting component; the source electrode of the first thin film transistor is connected with the common electrode wire, and the grid electrode and the drain electrode of the first thin film transistor are connected with the first connecting component; the source electrode of the second thin film transistor is connected with the scanning line, and the grid electrode and the drain electrode of the second thin film transistor are connected with the second connecting component.
Furthermore, the first connecting component comprises a first branch and a second branch, the first branch and the second branch are in a needle point shape, and a point end of the first branch faces a point end of the second branch and is not contacted with each other, so that a point effect is formed to output static electricity on the scanning line to the common electrode line;
in the first connection member, the other end of the first branch is connected to the scan line, and the other end of the second branch is connected to the source and drain of the first thin film transistor.
Similarly, the second connecting component comprises a first branch and a second branch, the first branch and the second branch are in a needle point shape, one end of a point of the first branch faces one end of a point of the second branch and is not contacted with each other, and the first branch forms a point effect to output static electricity on the common electrode wire to the scanning line;
in the second connection member, the other end of the first branch is connected to the common electrode line, and the other end of the second branch is connected to the source and drain electrodes of the second thin film transistor.
Preferably, in the preferred embodiment, the first branch and the second branch on the first connecting component and the second connecting component are metal wires, and the metal wires are in a needle point shape to form a tip effect, so that when static electricity is generated, the static electricity can be output through the tip effect, and thus a protective effect is achieved; in addition, the first branch and the second branch are not in contact with each other, so that the electrostatic protection circuit can be disconnected during normal work, the voltage during normal work cannot be lost, and the pixels can be charged normally.
In the present preferred embodiment, the first thin film transistor and the second thin film transistor are N-type thin film transistors.
The electrostatic protection circuit of the preferred embodiment is used in two situations: a working state when static electricity is generated and a working state when static electricity is not generated (normal operation);
specifically, when static electricity is generated on the scan line, the static current passes through the first connection member to the first thin film transistor, and is finally output to the common electrode line. When the static current is transmitted to the first branch, the line between the first branch and the second branch is conducted due to the tip effect, and then the static current is output to the common electrode line;
when no static electricity is generated on the scanning line, because the first branch and the second branch are not contacted with each other, the voltage on the scanning line cannot be lost in a normal state, the pixel can be normally charged, and the display picture of the liquid crystal display cannot be influenced.
Similarly, when static electricity is generated on the common electrode line, the static electricity flows through the second connection member to the second thin film transistor and is finally output to the scan line. When the static current is transmitted to the first branch, the line between the first branch and the second branch is conducted due to the tip effect, and then the static current is output to the scanning line;
when static electricity is not generated on the common electrode wire, because the first branch and the second branch are not in contact with each other, the voltage on the common electrode wire is not lost in a normal state, pixels can be normally charged, and the display picture of the liquid crystal display cannot be influenced.
The liquid crystal display of the preferred embodiment forms a tip effect by the first connecting part and the second connecting part, and when the liquid crystal display works normally, the line is disconnected by the first connecting part and the second connecting part; when static electricity is generated, the static electricity is output through a tip effect, so that an anti-static effect can be achieved when the static electricity is generated; when the liquid crystal display works normally, the normal charging of the pixels can not be influenced, so that the display picture of the liquid crystal display can not be influenced; the technical problem that the display picture of a liquid crystal display is influenced because a part of voltage can be lost when the conventional electrostatic protection circuit is in a normal working state so that pixels cannot be charged normally is solved.
The electrostatic protection circuit and the liquid crystal display form a tip effect through the first connecting part and the second connecting part, and when the electrostatic protection circuit and the liquid crystal display normally work, a circuit is disconnected through the first connecting part and the second connecting part; when static electricity is generated, the static electricity is output through a tip effect, so that an anti-static effect can be achieved when the static electricity is generated; when the liquid crystal display works normally, the normal charging of the pixels can not be influenced, so that the display picture of the liquid crystal display can not be influenced; the technical problem that the display picture of a liquid crystal display is influenced because a part of voltage can be lost when the conventional electrostatic protection circuit is in a normal working state so that pixels cannot be charged normally is solved.
In summary, although the present invention has been described with reference to the preferred embodiments, the above-described preferred embodiments are not intended to limit the present invention, and those skilled in the art can make various changes and modifications without departing from the spirit and scope of the present invention, therefore, the scope of the present invention shall be determined by the appended claims.
Claims (10)
1. An electrostatic discharge protection circuit, comprising:
a scan line connected with the first connection member;
the common electrode wire is connected with the second connecting component;
a first thin film transistor, a source of which is connected to the common electrode line, and a gate and a drain of which are connected to the first connection member;
a second thin film transistor, a source of which is connected to the scan line, and a gate and a drain of which are connected to the second connection member; wherein,
the first connecting component and the second connecting component both comprise a first branch and a second branch, the first branch and the second branch are in a needle point shape, one end of a sharp point of the first branch faces one end of a sharp point of the second branch and are not in contact with each other, so that a point discharge effect is formed, and static electricity on the scanning line is output to the common electrode line or static electricity on the common electrode line is output to the scanning line.
2. The ESD protection circuit of claim 1, wherein the first and second branches are metal traces.
3. The electrostatic protection circuit according to claim 1, wherein in the first connection member, the other end of the first branch is connected to the scan line, and the other end of the second branch is connected to a source and a drain of the first thin film transistor.
4. The electrostatic protection circuit according to claim 1, wherein in the second connection member, the other end of the first branch is connected to the common electrode line, and the other end of the second branch is connected to a source and a drain of the second thin film transistor.
5. The ESD circuit of claim 1, wherein the first TFT and the second TFT are N-type TFTs.
6. A liquid crystal display comprising an electrostatic discharge protection circuit, comprising:
a scan line connected with the first connection member;
the common electrode wire is connected with the second connecting component;
a first thin film transistor, a source of which is connected to the common electrode line, and a gate and a drain of which are connected to the first connection member;
a second thin film transistor, a source of which is connected to the scan line, and a gate and a drain of which are connected to the second connection member; wherein,
the first connecting component and the second connecting component both comprise a first branch and a second branch, the first branch and the second branch are in a needle point shape, one end of a sharp point of the first branch faces one end of a sharp point of the second branch and are not in contact with each other, so that a point discharge effect is formed, and static electricity on the scanning line is output to the common electrode line or static electricity on the common electrode line is output to the scanning line.
7. The LCD of claim 6, wherein the first and second branches are metal traces.
8. The liquid crystal display device according to claim 6, wherein in the first connection member, the other end of the first branch is connected to the scan line, and the other end of the second branch is connected to a source and a drain of the first thin film transistor.
9. The liquid crystal display device according to claim 6, wherein in the second connection member, the other end of the first branch is connected to the common electrode line, and the other end of the second branch is connected to a source and a drain of the second thin film transistor.
10. The liquid crystal display of claim 6, wherein the first thin film transistor and the second thin film transistor are both N-type thin film transistors.
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| CN201610990516.4A CN106338870A (en) | 2016-11-10 | 2016-11-10 | Electrostatic protection circuit and liquid crystal display |
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| CN201610990516.4A CN106338870A (en) | 2016-11-10 | 2016-11-10 | Electrostatic protection circuit and liquid crystal display |
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| CN109283763A (en) * | 2018-11-16 | 2019-01-29 | 信利半导体有限公司 | Board structure, display panel and method for producing panel |
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| CN105487317A (en) * | 2016-01-25 | 2016-04-13 | 京东方科技集团股份有限公司 | Substrate and display device |
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| WO2019075779A1 (en) * | 2017-10-18 | 2019-04-25 | 深圳市华星光电半导体显示技术有限公司 | Electrostatic protection circuit structure, display panel and display apparatus |
| CN108242446A (en) * | 2018-01-12 | 2018-07-03 | 京东方科技集团股份有限公司 | electrostatic protection structure, array substrate, display panel and display device |
| CN108242446B (en) * | 2018-01-12 | 2021-01-26 | 京东方科技集团股份有限公司 | Electrostatic protection structure, array substrate, display panel and display device |
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Application publication date: 20170118 |