CN104252077A - Display substrate and display panel - Google Patents
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- CN104252077A CN104252077A CN201410498432.XA CN201410498432A CN104252077A CN 104252077 A CN104252077 A CN 104252077A CN 201410498432 A CN201410498432 A CN 201410498432A CN 104252077 A CN104252077 A CN 104252077A
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- 239000000758 substrate Substances 0.000 title claims abstract description 81
- 230000003068 static effect Effects 0.000 claims abstract description 70
- 230000005611 electricity Effects 0.000 claims abstract description 68
- 238000001514 detection method Methods 0.000 claims abstract description 35
- 239000002184 metal Substances 0.000 claims description 207
- 230000002093 peripheral effect Effects 0.000 claims description 10
- 230000005674 electromagnetic induction Effects 0.000 abstract description 15
- 230000005684 electric field Effects 0.000 abstract description 12
- 230000006698 induction Effects 0.000 description 9
- 238000010586 diagram Methods 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 230000015556 catabolic process Effects 0.000 description 2
- 238000005401 electroluminescence Methods 0.000 description 2
- WABPQHHGFIMREM-UHFFFAOYSA-N lead(0) Chemical compound [Pb] WABPQHHGFIMREM-UHFFFAOYSA-N 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 239000004973 liquid crystal related substance Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
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Abstract
The invention discloses a display substrate and a display panel. A static detection circuit composed of a primary coil, a secondary coil and a diode is added on the display substrate, the primary coil and the secondary coil are wound and insulated mutually, the primary coil is serially connected with a circuit on the display substrate to form a closed loop, and the secondary coil is serially connected with the diode to form a closed loop. After static electricity is conduced into the primary coil serially connected with the circuit via the circuit, an induced magnetic field and a induced electric field are generated between the primary coil and the secondary coil due to electromagnetic induction, the secondary coil generates induced current and corresponding voltage correspondingly, the diode serially connected with the secondary coil is damaged if the induced current generated by the secondary coil is too large, thus a path of static electricity conduction can be judged by detecting damage of the diode, in other words, the primary coil corresponding to the secondary coil serially connected with the damaged diode is the path of static electricity conduction, and accordingly static electricity conduction of the circuit connected with the primary coil is determined.
Description
Technical Field
The invention relates to the technical field of display, in particular to a display substrate and a display panel.
Background
Currently, Display devices such as Liquid Crystal Display (LCD), Electroluminescence (EL) Display panels, and electronic paper are well known. In the manufacturing process of the array substrate in the display panel, the process is various, and generally, the manufacturing process of the array substrate includes: in the manufacturing steps of the gate electrode, the active layer, the source drain electrode layer, the transparent electrode layer and other film layers, static electricity may be introduced into the manufacturing process of each step, however, the introduction of the static electricity may damage an effective circuit for image display in the display panel, thereby affecting the quality of a display picture, and since static electricity detection has certain difficulty, it is difficult to determine a path for introducing the static electricity at present, so that the effective circuit in the display panel affected by the introduction of the static electricity cannot be effectively protected.
Therefore, it is an urgent need to solve the problem of determining the electrostatic introduction path to improve the influence of the static electricity on the effective circuits in the display panel and ensure the quality of the display image.
Disclosure of Invention
The embodiment of the invention provides a display substrate and a display panel, which are used for solving the problem that the electrostatic leading-in path in the display substrate is difficult to detect in the prior art.
An embodiment of the present invention provides a display substrate, which is divided into a display area and a peripheral area, wherein the peripheral area has a plurality of lines, and the display substrate further includes: at least one static electricity detection circuit arranged in the peripheral area and used for detecting the static electricity condition of the line; the static electricity detection circuit includes: a primary coil, a secondary coil, and a diode; wherein,
the primary coil and the secondary coil are mutually wound and insulated;
the primary coil and the circuit are connected in series to form a closed loop;
the secondary coil and the diode are connected in series to form a closed loop.
In a possible implementation manner, in the display substrate provided in an embodiment of the present invention, the primary coil specifically includes: the metal structure comprises a plurality of sections of first metal sections and a plurality of sections of second metal sections, wherein the first metal sections and the second metal sections are arranged in different layers and are connected through via holes;
the secondary coil specifically includes: the metal section comprises a plurality of sections of third metal sections and a plurality of sections of fourth metal sections, wherein the third metal sections and the fourth metal sections are arranged in different layers and are connected through via holes.
In a possible implementation manner, in the above display substrate provided by the embodiment of the present invention, the first metal segment of the primary coil and the third metal segment of the secondary coil are disposed in the same layer and are insulated from each other, and an orthogonal projection of the first metal segment of the primary coil and the fourth metal segment of the secondary coil on the display substrate has an overlapping region;
the second metal section of the primary coil and the fourth metal section of the secondary coil are arranged on the same layer and are insulated from each other, and the second metal section of the primary coil and the third metal section of the secondary coil have an overlapping area in the orthographic projection of the display substrate.
In a possible implementation manner, in the display substrate provided in an embodiment of the present invention, the display substrate is an array substrate having a light shielding layer, a gate metal layer, and a source drain metal layer that are sequentially stacked;
the first metal section of the primary coil and the third metal section of the secondary coil are positioned on the light shielding layer, and the second metal section of the primary coil and the fourth metal section of the secondary coil are positioned on the gate metal layer; or,
the first metal section of the primary coil and the third metal section of the secondary coil are positioned on the light shielding layer, and the second metal section of the primary coil and the fourth metal section of the secondary coil are positioned on the source drain metal layer; or,
the first metal section of the primary coil and the third metal section of the secondary coil are located on the grid metal layer, and the second metal section of the primary coil and the fourth metal section of the secondary coil are located on the source drain metal layer.
In a possible implementation manner, in the display substrate provided in this embodiment of the present invention, the first metal segment of the primary coil and the third metal segment of the secondary coil are disposed in the same layer and are insulated from each other;
the second metal section of the primary coil and the fourth metal section of the secondary coil are arranged in different layers.
In a possible implementation manner, in the display substrate provided in an embodiment of the present invention, the display substrate is an array substrate having a light shielding layer, a gate metal layer, and a source drain metal layer that are sequentially stacked;
the first metal section of the primary coil and the third metal section of the secondary coil are positioned on the light shielding layer, and the second metal section of the primary coil and the fourth metal section of the secondary coil are respectively positioned on the grid metal layer and the source drain metal layer; or,
the first metal section of the primary coil and the third metal section of the secondary coil are located on the grid metal layer, and the second metal section of the primary coil and the fourth metal section of the secondary coil are located on the light shielding layer and the source drain metal layer respectively; or,
the first metal section of the primary coil and the third metal section of the secondary coil are located on the source and drain metal layer, and the second metal section of the primary coil and the fourth metal section of the secondary coil are located on the gate metal layer and the shading layer respectively.
In a possible implementation manner, in the display substrate provided in the embodiment of the present invention, a wire connecting the primary coil and the line is located in the source/drain metal layer;
and the lead for connecting the secondary coil and the diode is positioned on the source drain metal layer.
In a possible implementation manner, in the above display substrate provided by the embodiment of the present invention, the number of turns of the primary coil is less than that of the secondary coil.
The embodiment of the invention provides a display panel, which comprises the display substrate provided by the embodiment of the invention.
The embodiment of the invention has the beneficial effects that:
the embodiment of the invention provides a display substrate and a display panel, wherein a static electricity detection circuit consisting of a primary coil, a secondary coil and a diode is added on the display substrate, the primary coil and the secondary coil are mutually wound and insulated, the primary coil and a circuit on the display substrate are connected in series to form a closed loop, the secondary coil and the diode are connected in series to form a closed loop, when static electricity is led into the circuit on the display substrate, the static electricity can be led into the primary coil connected in series with the circuit through the circuit, further, an induced magnetic field and an induced electric field can be generated between the primary coil and the secondary coil due to electromagnetic induction, the secondary coil correspondingly generates induced current and corresponding voltage, and the diode connected in series with the secondary coil is damaged due to overlarge induced current generated by the secondary coil, so that the diode breakdown is caused, and therefore, the path for leading in the static electricity can be judged by, that is, the primary coil corresponding to the secondary coil in series with the broken-down diode is a path for electrostatic introduction. Therefore, the display substrate provided by the embodiment of the invention is additionally provided with the static electricity detection circuit, the detection of the static electricity leading-in path can be realized based on the electromagnetic induction principle, so that the condition of static electricity leading-in a corresponding line is determined, meanwhile, the static electricity detection circuit can also effectively relieve the influence of static electricity on an effective circuit for displaying images on the display panel, and the quality of display pictures is ensured.
Drawings
FIG. 1 is a schematic diagram illustrating a design principle of an electrostatic detection circuit according to an embodiment of the present invention;
FIG. 2 is a schematic diagram of an embodiment of a static detection circuit according to the present invention;
FIG. 3 is a second schematic diagram of a design object of the electrostatic detection circuit according to the embodiment of the present invention;
fig. 4 is a schematic diagram of an electrostatic detection circuit according to an embodiment of the present invention.
Detailed Description
The following describes in detail specific embodiments of a display substrate and a display panel according to embodiments of the present invention with reference to the accompanying drawings.
An embodiment of the present invention provides a display substrate, which is divided into a display area and a peripheral area, wherein the peripheral area has a plurality of lines, and the display substrate further includes: at least one static electricity detection circuit disposed in the peripheral area for detecting the occurrence of static electricity on the line, as shown in fig. 1, the static electricity detection circuit includes: a primary coil 01, a secondary coil 02, and a diode 03; wherein, the primary coil 01 and the secondary coil 02 are mutually wound and insulated; the primary coil 01 can be connected with a circuit in series through a lead to form a closed loop; the secondary coil 02 and the diode 03 are connected in series to form a closed loop.
The display substrate provided by the embodiment of the invention is additionally provided with a static electricity detection circuit for detecting the static electricity condition of the corresponding line on the display substrate, the static electricity detection circuit is arranged in the peripheral area of the display substrate and can avoid the influence on the normal display function caused by occupying the display area of the display substrate, the static electricity detection circuit comprises a primary coil 01, a secondary coil 02 and a diode 03, wherein the primary coil 01 is connected with the corresponding line in series through a lead wire to form a closed loop, the primary coil 02 and the diode 03 are connected in series to form a closed loop, the primary coil 01 and the secondary coil 02 are mutually wound and insulated, after the static electricity is introduced into the line, the static electricity is introduced into the primary coil 01 connected with the line, further an induction magnetic field and an induction electric field are generated between the primary coil 01 and the secondary coil 02 due to electromagnetic induction, and the corresponding secondary coil 02 can generate induction current and corresponding voltage, when the induced current generated by the secondary coil 02 is too large, the diode 03 connected in series with the secondary coil 02 is damaged, and the diode 03 breaks down, so that the path of the electrostatic induction can be determined by detecting the damage of the diode 03, that is, the primary coil 01 corresponding to the secondary coil 02 connected in series with the broken diode 03 is the path of the electrostatic induction. Therefore, the display substrate provided by the embodiment of the invention is additionally provided with the static electricity detection circuit, the detection of the static electricity leading-in path can be realized based on the electromagnetic induction principle, so that the condition of static electricity leading-in a corresponding line is determined, meanwhile, the static electricity detection circuit can also effectively relieve the influence of static electricity on an effective circuit for displaying images on the display panel, and the quality of display pictures is ensured.
In a specific implementation, in the display substrate provided in the embodiment of the present invention, in order to implement the coil structure of the primary coil 01 and the secondary coil 02, as shown in fig. 2 and fig. 3, the primary coil 01 may specifically include: the metal structure comprises a plurality of sections of first metal sections a and a plurality of sections of second metal sections b, wherein the first metal sections a and the second metal sections b are arranged in different layers and are connected through via holes m; the secondary coil 02, as shown in fig. 2 and 3, may specifically include: the metal section comprises a plurality of sections of third metal sections c and a plurality of sections of fourth metal sections d, wherein the third metal sections c and the fourth metal sections d are arranged in different layers and are connected through via holes m. Thus, the primary coil 01 and the secondary coil 02 can be connected by metal segments to realize a coil structure, and after static electricity is introduced into the primary coil 01, the primary coil 01 and the secondary coil 02 can generate an induced magnetic field and an induced electric field by electromagnetic induction.
Specifically, the structure of the display substrate provided in the embodiment of the present invention may be applied to an array substrate, and may also be applied to a color filter substrate, which is not limited herein.
In practical implementation, in the above display substrate provided by the embodiment of the present invention, in order to achieve mutual winding and mutual insulation between the primary coil 01 and the secondary coil 02, as shown in fig. 2, wherein, the metal segments on the same layer are represented by line segments of the same type, the metal segments on different layers are distinguished by line segments of different types, that is, the first metal segment a of the primary coil 01 and the third metal segment c of the secondary coil 02 may be disposed in the same layer and insulated from each other, and the first metal segment a of the primary coil 01 and the fourth metal segment d of the secondary coil 02 have an overlapping area in the orthographic projection of the display substrate, the second metal segment b of the primary coil 01 and the fourth metal segment d of the secondary coil 02 can be correspondingly arranged on the same layer and insulated from each other, and the second metal segment b of the primary coil 01 and the third metal segment c of the secondary coil 02 have an overlapping area in the orthographic projection of the display substrate. In this way, the first metal section a and the third metal section c, the second metal section b and the fourth metal section d are respectively arranged on two layers, orthographic projections of the first metal section a and the fourth metal section d which are arranged in different layers and the orthographic projections of the second metal section b and the third metal section c which are arranged in different layers on the display substrate have overlapping areas, the primary coil 01 and the secondary coil 02 can be wound and insulated with each other by adopting the coil structure formed by the metal sections which are arranged on the double-layer structure, and further after static electricity is introduced into the primary coil 01, an induction magnetic field and an induction electric field can be generated between the primary coil 01 and the secondary coil 02 through electromagnetic induction.
In specific implementation, when the display substrate provided in the embodiment of the present invention is an array substrate having a light shielding layer, a gate metal layer, and a source/drain metal layer stacked in sequence, the first metal segment a of the primary coil 01 and the third metal segment c of the secondary coil 02 may be disposed on the light shielding layer, and the second metal segment b of the primary coil 01 and the fourth metal segment d of the secondary coil 02 may be disposed on the gate metal layer correspondingly; alternatively, the first metal segment a of the primary coil 01 and the third metal segment c of the secondary coil 02 may be disposed on the light shielding layer, and the second metal segment b of the primary coil 01 and the fourth metal segment d of the secondary coil 02 may be disposed on the source drain metal layer; alternatively, the first metal segment a of the primary coil 01 and the third metal segment c of the secondary coil 02 may be disposed on the gate metal layer, and the second metal segment b of the primary coil 01 and the fourth metal segment d of the secondary coil 02 may be disposed on the source-drain metal layer, respectively.
Specifically, the primary coil 01 and the secondary coil 02 arranged in the three ways can realize a coil structure which is wound and insulated from each other, so that after static electricity is introduced into the primary coil 01, an induced magnetic field and an induced electric field are generated between the primary coil 01 and the secondary coil 02 through electromagnetic induction, and implementation conditions are provided for static electricity detection.
In specific implementation, in the display substrate provided in the embodiment of the present invention, in order to implement a coil structure in which the primary coil 01 and the secondary coil 02 are wound around each other and are insulated from each other, as shown in fig. 3, the metal segments on the same layer are represented by the same type of line segments, and the metal segments on different layers are distinguished by using different types of line segments, that is, the first metal segment a of the primary coil 01 and the third metal segment c of the secondary coil 02 may also be disposed on the same layer and insulated from each other, and the second metal segment b of the primary coil 01 and the fourth metal segment d of the secondary coil 02 may be disposed on different layers correspondingly. Thus, the plurality of metal segments forming the primary coil 01 and the secondary coil 02 are respectively arranged on three layers of different levels and are correspondingly connected through the through hole m, so that the primary coil 01 and the secondary coil 02 can be wound and insulated from each other, and further, after static electricity is introduced into the primary coil 01, an induction magnetic field and an induction electric field can be generated between the primary coil 01 and the secondary coil 02 through electromagnetic induction.
In specific implementation, when the display substrate provided in the embodiment of the present invention is an array substrate having a light shielding layer, a gate metal layer, and a source drain metal layer, which are sequentially stacked, the display substrate includes:
the first metal segment a of the primary coil 01 and the third metal segment c of the secondary coil 02 can be arranged on the shading layer, and the second metal segment b of the primary coil 01 and the fourth metal segment d of the secondary coil 02 can be correspondingly arranged on the gate metal layer and the source drain metal layer respectively, wherein the positions of the second metal segment b and the fourth metal segment d can be interchanged;
the first metal segment a of the primary coil 01 and the third metal segment c of the secondary coil 02 can be arranged on the gate metal layer, and the second metal segment b of the primary coil 01 and the fourth metal segment d of the secondary coil 02 can be correspondingly arranged on the light shielding layer and the source drain metal layer respectively, wherein the positions of the second metal segment b and the fourth metal segment d can be interchanged;
the first metal segment a of the primary coil 01 and the third metal segment c of the secondary coil 02 can also be arranged on the source-drain metal layer, and the second metal segment b of the primary coil 01 and the fourth metal segment d of the secondary coil 02 can be correspondingly arranged on the gate metal layer and the light shielding layer, respectively, wherein the positions of the second metal segment b and the fourth metal segment d can be interchanged.
Specifically, the primary coil 01 and the secondary coil 02 formed in the three manners can realize a coil structure which is wound and insulated from each other, and further, after static electricity is introduced into the primary coil 01, an induced magnetic field and an induced electric field are generated between the primary coil 01 and the secondary coil 02 through electromagnetic induction, so that implementation conditions are provided for static electricity detection.
In specific implementation, in the display substrate provided in the embodiment of the present invention, in order to detect the static electricity introduction condition of multiple lines on the display substrate, the primary coil of the static electricity detection circuit needs to be connected in series with the corresponding line through a lead wire to form a closed loop, so that a conducting wire connecting the primary coil 01 and the line may be disposed on the source-drain metal layer, and a conducting wire connecting the secondary coil 02 and the diode 03 may also be disposed on the source-drain metal layer, so that both the primary coil 01 and the secondary coil 02 form a closed loop, and when performing static electricity detection, an induced magnetic field and an induced electric field are generated between the primary coil 01 and the secondary coil 02 through electromagnetic induction, and further an induced current is generated in the closed loop formed by the secondary coil 02 and the diode 03, so as to provide a detection target for static electricity detection.
In specific implementation, in the display substrate provided by the embodiment of the invention, in order to facilitate detection of static electricity introduction, the number of turns of the primary coil 01 may be set to be less than that of the secondary coil 02, so that after the static electricity is introduced into the primary coil 01, the primary coil 01 and the secondary coil 02 generate an induced magnetic field and an induced electric field through electromagnetic induction, and further an induced current is correspondingly generated in a closed loop formed by the secondary coil 02 and the diode 03, and when the number of turns of the secondary coil is greater, the generated induced current is greater, that is, the coil of the secondary coil 02 can amplify the induced current, and therefore, the number of turns of the secondary coil 02 is greater than that of the primary coil 01, so as to facilitate detection of whether the static electricity is introduced.
In practical implementation, the specific operation principle of the static electricity detection circuit on the display substrate provided by the embodiment of the invention, as shown in fig. 4, when static electricity is introduced into the primary coil 01, an induced magnetic field and an induced electric field are generated between the primary coil 01 and the secondary coil 02 through electromagnetic induction, and the secondary coil 02 correspondingly generates an induced current and a corresponding voltage, if the generated induced current is too large, the diode 03 connected in series with the secondary coil 02 may be damaged, causing the diode 03 to break down, and thus, by detecting whether the diode 03 breaks down, whether static electricity is introduced or not can be determined, if the diode 03 is broken down, the primary coil 01 corresponding to the secondary coil 02 connected in series with the broken-down diode 03 is a path for introducing the static electricity, the line connected to the primary coil 01 has static electricity introduced therein, and if the diode 03 is not broken down, it indicates that the corresponding line has no static electricity introduced therein.
Based on the same inventive concept, embodiments of the present invention provide a display panel, including the display substrate provided in embodiments of the present invention. The display panel can be applied to any product or component with a display function, such as a mobile phone, a tablet personal computer, a television, a display, a notebook computer, a digital photo frame, a navigator and the like. Because the principle of solving the problems of the display panel is similar to that of the display substrate, the implementation of the display panel can be referred to the implementation of the display substrate, and repeated details are not repeated.
The embodiment of the invention provides a display substrate and a display panel, wherein a static electricity detection circuit consisting of a primary coil, a secondary coil and a diode is added on the display substrate, the primary coil and the secondary coil are mutually wound and insulated, the primary coil and a circuit on the display substrate are connected in series to form a closed loop, the secondary coil and the diode are connected in series to form a closed loop, when static electricity is led into the circuit on the display substrate, the static electricity can be led into the primary coil connected in series with the circuit through the circuit, further, an induced magnetic field and an induced electric field can be generated between the primary coil and the secondary coil due to electromagnetic induction, the secondary coil correspondingly generates induced current and corresponding voltage, and the diode connected in series with the secondary coil is damaged due to overlarge induced current generated by the secondary coil, so that the diode breakdown is caused, and therefore, the path for leading in the static electricity can be judged by, that is, the primary coil corresponding to the secondary coil in series with the broken-down diode is a path for electrostatic introduction. Therefore, the display substrate provided by the embodiment of the invention is additionally provided with the static electricity detection circuit, the detection of the static electricity leading-in path can be realized based on the electromagnetic induction principle, so that the condition of static electricity leading-in a corresponding line is determined, meanwhile, the static electricity detection circuit can also effectively relieve the influence of static electricity on an effective circuit for displaying images on the display panel, and the quality of display pictures is ensured.
It will be apparent to those skilled in the art that various changes and modifications may be made in the present invention without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include such modifications and variations.
Claims (9)
1. A display substrate is divided into a display area and a peripheral area, the peripheral area having a plurality of lines, the display substrate further comprising: at least one static electricity detection circuit arranged in the peripheral area and used for detecting the static electricity condition of the line; the static electricity detection circuit includes: a primary coil, a secondary coil, and a diode; wherein,
the primary coil and the secondary coil are mutually wound and insulated;
the primary coil and the circuit are connected in series to form a closed loop;
the secondary coil and the diode are connected in series to form a closed loop.
2. The display substrate of claim 1, wherein the primary coil specifically comprises: the metal structure comprises a plurality of sections of first metal sections and a plurality of sections of second metal sections, wherein the first metal sections and the second metal sections are arranged in different layers and are connected through via holes;
the secondary coil specifically includes: the metal section comprises a plurality of sections of third metal sections and a plurality of sections of fourth metal sections, wherein the third metal sections and the fourth metal sections are arranged in different layers and are connected through via holes.
3. The display substrate of claim 2, wherein the first metal segment of the primary coil and the third metal segment of the secondary coil are disposed in a same layer and insulated from each other, and the first metal segment of the primary coil and the fourth metal segment of the secondary coil have an overlapping area in an orthographic projection of the display substrate;
the second metal section of the primary coil and the fourth metal section of the secondary coil are arranged on the same layer and are insulated from each other, and the second metal section of the primary coil and the third metal section of the secondary coil have an overlapping area in the orthographic projection of the display substrate.
4. The display substrate according to claim 3, wherein the display substrate is an array substrate having a light-shielding layer, a gate metal layer, and a source-drain metal layer which are sequentially stacked;
the first metal section of the primary coil and the third metal section of the secondary coil are positioned on the light shielding layer, and the second metal section of the primary coil and the fourth metal section of the secondary coil are positioned on the gate metal layer; or,
the first metal section of the primary coil and the third metal section of the secondary coil are positioned on the light shielding layer, and the second metal section of the primary coil and the fourth metal section of the secondary coil are positioned on the source drain metal layer; or,
the first metal section of the primary coil and the third metal section of the secondary coil are located on the grid metal layer, and the second metal section of the primary coil and the fourth metal section of the secondary coil are located on the source drain metal layer.
5. The display substrate of claim 2, wherein the first metal segment of the primary coil and the third metal segment of the secondary coil are disposed in a same layer and insulated from each other;
the second metal section of the primary coil and the fourth metal section of the secondary coil are arranged in different layers.
6. The display substrate according to claim 5, wherein the display substrate is an array substrate having a light-shielding layer, a gate metal layer, and a source-drain metal layer which are sequentially stacked;
the first metal section of the primary coil and the third metal section of the secondary coil are positioned on the light shielding layer, and the second metal section of the primary coil and the fourth metal section of the secondary coil are respectively positioned on the grid metal layer and the source drain metal layer; or,
the first metal section of the primary coil and the third metal section of the secondary coil are located on the grid metal layer, and the second metal section of the primary coil and the fourth metal section of the secondary coil are located on the light shielding layer and the source drain metal layer respectively; or,
the first metal section of the primary coil and the third metal section of the secondary coil are located on the source and drain metal layer, and the second metal section of the primary coil and the fourth metal section of the secondary coil are located on the gate metal layer and the shading layer respectively.
7. The display substrate according to claim 4 or 6, wherein a wire connecting the primary coil and the wiring is located in the source-drain metal layer;
and the lead for connecting the secondary coil and the diode is positioned on the source drain metal layer.
8. The display substrate of any of claims 1-6, wherein the primary coil has fewer turns than the secondary coil.
9. A display panel comprising the display substrate according to any one of claims 1 to 8.
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| CN201410498432.XA CN104252077B (en) | 2014-09-25 | 2014-09-25 | Display substrate and display panel |
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| CN201410498432.XA CN104252077B (en) | 2014-09-25 | 2014-09-25 | Display substrate and display panel |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2019184780A1 (en) * | 2018-03-30 | 2019-10-03 | 京东方科技集团股份有限公司 | Display substrate, display device and wireless charging method |
| US11329508B2 (en) | 2018-03-30 | 2022-05-10 | Ordos Yuansheng Optoelectronics Co., Ltd. | Display substrate, display device and wireless charging method |
| CN109975360A (en) * | 2019-04-04 | 2019-07-05 | 云谷（固安）科技有限公司 | A kind of display panel, screen body crack detection device and method |
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| CN104252077B (en) | 2017-02-15 |
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