CN104730745A - Electrostatic discharge protector and display panel - Google Patents
Electrostatic discharge protector and display panel Download PDFInfo
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- CN104730745A CN104730745A CN201510166592.9A CN201510166592A CN104730745A CN 104730745 A CN104730745 A CN 104730745A CN 201510166592 A CN201510166592 A CN 201510166592A CN 104730745 A CN104730745 A CN 104730745A
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- 230000001012 protector Effects 0.000 title abstract 4
- 230000005684 electric field Effects 0.000 claims abstract description 26
- 238000009413 insulation Methods 0.000 claims description 15
- 230000015572 biosynthetic process Effects 0.000 claims description 12
- 230000015556 catabolic process Effects 0.000 abstract description 7
- 230000003068 static effect Effects 0.000 description 6
- 239000002184 metal Substances 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 230000004048 modification Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000004973 liquid crystal related substance Substances 0.000 description 2
- 239000000758 substrate Substances 0.000 description 2
- 239000010409 thin film Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000005530 etching Methods 0.000 description 1
- 239000010408 film Substances 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000012528 membrane Substances 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
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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
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/1343—Electrodes
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- Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- Mathematical Physics (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Liquid Crystal (AREA)
- Gas-Filled Discharge Tubes (AREA)
Abstract
The embodiment of the invention provides an electrostatic discharge protector and a display panel. The electrostatic discharge protector and the display panel are used for solving the problems that in an existing display panel, when too many electrostatic charges are generated on electrode wires, breakdown is likely to happen to an insulating layer between the two electrode wires, the two electrode wires which should be insulated are connected, and consequently the display panel breaks down. The electrostatic discharge protector comprises a first discharge electrode and second discharge electrodes. The first discharge electrode is electrically connected with a first electrode wire, the second discharge electrodes are electrically connected with a second electrode wire, the first discharge electrode is insulated from the second discharge electrodes, and the maximum electric field intensity of an electric field between the first discharge electrode and each second discharge electrode is higher than the maximum electric field intensity of an electric field between the first electrode wire and the second electrode wire; both the first electrode wire and the second electrode wire are located in the display panel, and the first electrode wire is insulated from the second electrode wire.
Description
Technical field
The present invention relates to display technique field, particularly relate to a kind of electrostatic discharge protection device and display panel.
Background technology
The structure of display panels is color membrane substrates and array base palte sandwich one deck liquid crystal, wherein, array base palte includes the thin film transistor (TFT) (TFT for driving liquid crystal display, Thin-Film Transistor), data line and gate line, these lines can be referred to as electrode wires.
When making array base palte, need plated film, etching on the glass substrate, thus form various electrode wires, the electrode wires being positioned at different layers may be intersected, the structure that electrode wires after intersection is formed as shown in Figure 1, wherein, first electrode wires 11 and the second electrode wires 12 are positioned at different layers, insulation course is had between the layer at the first electrode wires 11 place and the layer at the second electrode wires 12 place, therefore, mutually insulated between the first electrode wires 11 and the second electrode wires 12.
But because display panel is in the process manufacturing, transport or use, electrode wires can produce static charge, when the static charge on cross one another two strip electrode lines is too much, Electro-static Driven Comb can be there is, thus the insulation course punctured between cross one another two strip electrode lines, make the two strip electrode line conductings that should insulate, thus display panel is broken down.
In sum, in existing display panel, when the static charge of the generation in electrode wires is too much, the insulation course between cross one another two strip electrode lines may be punctured, make the two strip electrode line conductings that should insulate, thus display panel is broken down.
Summary of the invention
Embodiments provide a kind of electrostatic discharge protection device and display panel; in order to solve in existing display panel; when the static charge of the generation in electrode wires is too much; the insulation course between two strip electrode lines may be punctured; make the two strip electrode line conductings that should insulate, cause the problem that display panel breaks down.
Based on the problems referred to above, a kind of electrostatic discharge protection device that the embodiment of the present invention provides, comprises the first sparking electrode and the second sparking electrode;
Described first sparking electrode is electrically connected with the first electrode wires, described second sparking electrode is electrically connected with the second electrode wires, mutually insulated between described first sparking electrode and described second sparking electrode, and the maximum field intensity in the maximum field intensity in electric field between described first sparking electrode and described second sparking electrode is greater than between described first electrode wires and described second electrode wires electric field;
Wherein, described first electrode wires and described second electrode wires are the electrode wires in display panel, and mutually insulated between described first electrode wires and described second electrode wires.
A kind of display panel that the embodiment of the present invention provides, comprises the electrostatic discharge protection device that the embodiment of the present invention provides.
The beneficial effect of the embodiment of the present invention comprises:
The electrostatic discharge protection device that the embodiment of the present invention provides and display panel, because the first sparking electrode in electrostatic discharge protection device is electrically connected with the first electrode wires, second sparking electrode is electrically connected with the second electrode wires, and the maximum field intensity in the electric field between the first sparking electrode and the second sparking electrode is greater than the maximum field intensity in the electric field between the first electrode wires and the second electrode wires, therefore, voltage breakdown between first sparking electrode and the second sparking electrode is lower than the voltage breakdown between the first electrode wires and the second electrode wires, that is, after the first electrode wires and the second electrode wires accumulate too much static charge, before the first electrode wires and the second electrode wires are discharged mutually, can first discharge between first sparking electrode and the second sparking electrode, thus the electric charge that the first discharge plume and the second electrode wires accumulate is discharged, avoid puncturing the insulation course between the first electrode wires and the second electrode wires, thus avoid damaging the display panel comprising the first electrode wires and the second electrode wires.
Accompanying drawing explanation
Fig. 1 is the structural representation of the first electrode wires in display panel of the prior art and the second electrode wires;
One of structural representation of the electrostatic discharge protection device that Fig. 2 provides for the embodiment of the present invention;
The structural representation two of the electrostatic discharge protection device that Fig. 3 provides for the embodiment of the present invention;
The structural representation three of the electrostatic discharge protection device that Fig. 4 provides for the embodiment of the present invention;
The structural representation four of the electrostatic discharge protection device that Fig. 5 provides for the embodiment of the present invention;
The structural representation five of the electrostatic discharge protection device that Fig. 6 provides for the embodiment of the present invention;
The structural representation six of the electrostatic discharge protection device that Fig. 7 provides for the embodiment of the present invention.
Embodiment
The electrostatic discharge protection device that the embodiment of the present invention provides and display panel, due to the maximum field intensity in the electric field that the maximum field intensity in the electric field between the first sparking electrode and the second sparking electrode is greater than between the first electrode wires and the second electrode wires, therefore, voltage breakdown between first sparking electrode and the second sparking electrode is lower than the voltage breakdown between the first electrode wires and the second electrode wires, that is, after the first electrode wires and the second electrode wires accumulate too much static charge, before the first electrode wires and the second electrode wires are discharged mutually, can first discharge between the first sparking electrode be electrically connected with the first electrode wires and the second sparking electrode be electrically connected with the second electrode wires, thus discharge the electric charge that the first discharge plume and the second electrode wires accumulate, avoid mutually discharging between the first electrode wires and the second electrode wires, puncture the insulation course between them, thus avoid damaging the display panel comprising the first electrode wires and the second electrode wires.
Below in conjunction with Figure of description, a kind of electrostatic discharge protection device provide the embodiment of the present invention and the embodiment of display panel are described.
A kind of electrostatic discharge protection device that the embodiment of the present invention provides, comprises the first sparking electrode and the second sparking electrode;
Described first sparking electrode is electrically connected with the first electrode wires, described second sparking electrode is electrically connected with the second electrode wires, mutually insulated between described first sparking electrode and described second sparking electrode, and the maximum field intensity in the maximum field intensity in electric field between described first sparking electrode and described second sparking electrode is greater than between described first electrode wires and described second electrode wires electric field, therefore, the voltage breakdown between described first sparking electrode and described second sparking electrode is less than the voltage breakdown between described first electrode wires and described second electrode wires;
Wherein, described first electrode wires and described second electrode wires are the electrode wires in display panel, and mutually insulated between described first electrode wires and described second electrode wires.
Wherein, first electrode wires and the second electrode wires can cross one another, and also can not intersect, and no matter the first electrode wires is mutually intersect or do not intersect with the second electrode wires, there is insulation course between first electrode wires and the second electrode wires, thus make the first electrode wires and the second electrode wires mutually insulated.The layer at the first sparking electrode place and the layer at the second sparking electrode place can be same layers, also can be different layers.
When the first electrode wires is not intersected with the second electrode wires, first sparking electrode and the second sparking electrode are all between the first electrode wires and the second electrode wires, and the minor increment between the first sparking electrode and the second sparking electrode is less than the minor increment between the first electrode wires and the second electrode wires, thus the maximum field intensity in the maximum field intensity guaranteeing in the electric field between the first sparking electrode and the second sparking electrode is greater than between the first electrode wires and the second electrode wires electric field.
Alternatively, the layer at the first sparking electrode place and the layer at the second sparking electrode place are same layer.When the layer at the first sparking electrode place and the layer at the second sparking electrode place are same layer, the layer at the first sparking electrode place and the layer at the first electrode wires place can be same layer, also can be different layers, the layer at the first sparking electrode place and the layer at the second electrode wires place can be same layer, also can be different layers, the layer at the first sparking electrode place can also be different layers with the layer at the layer at the first electrode wires place and the second electrode wires place.
Only mutually to intersect with the second electrode wires for the first electrode wires below and be described.When the first electrode wires is intersected mutually with the second electrode wires, first sparking electrode can be connected with any portion in the first electrode wires, second sparking electrode also can be connected with any portion in the second electrode wires, as long as the maximum field intensity in the maximum field intensity that can meet in the electric field between the first sparking electrode and the second sparking electrode is greater than between the first electrode wires and the second electrode wires electric field.
Preferably, the first sparking electrode connects the first electrode wires and the cross one another part of the second electrode wires.
When the layer at the first sparking electrode place and the layer at the second sparking electrode place are same layer, and the layer at the layer at the layer at the first sparking electrode place and the first electrode wires place and the second electrode wires place is when being different layers, the electrostatic discharge protection device that the embodiment of the present invention provides, as shown in Figure 2, the border of the first sparking electrode 23 exists at least one first point of discharge, at least one in described first point of discharge is just to the second sparking electrode 24; Described first point of discharge be the first sparking electrode 23 border on curvature be greater than point with the mutual curvature of the borderline each point of cross section (part that Fig. 2 bend is filled) of the second electrode wires 22 in the first electrode wires 21.
In Fig. 2 for the first sparking electrode 23 for oval, the second sparking electrode 24 are described for rectangle, certainly, the first sparking electrode 23 and the second sparking electrode 24 also can be other shapes.Because the first sparking electrode 23 is oval, therefore, the curvature of the borderline each point of the first sparking electrode 23 is all greater than the curvature of the borderline each point of the mutual cross section (part that Fig. 2 bend is filled) with the second electrode wires 22 in the first electrode wires 21.And, because the first sparking electrode 23 is oval, and the curvature at two end points places of major axis is maximum in ellipse, therefore, two of the major axis of ellipse end points just can increased the maximum field intensity of the electric field between the first sparking electrode 23 and the second sparking electrode 24 to the second sparking electrode 24.
In fig. 2, the rectangular box with cross represents the via hole between the first sparking electrode 23 and the first electrode wires 21, and the via hole between the second sparking electrode 24 and the second electrode wires 22.
First sparking electrode 23 can be positioned at directly over the first electrode wires 21, also can be positioned at the oblique upper of the first electrode wires 21.To be positioned at directly over the first electrode wires 21 (like this with the first sparking electrode 23 in Fig. 2, first sparking electrode 23 can be connected by means of only via hole with the first electrode wires 21), second sparking electrode 24 to be positioned at directly over the second electrode wires 22 (like this, the second sparking electrode 24 can be connected by means of only via hole with the second electrode wires 22) and to be described for example.In fig. 2, first sparking electrode 23 and the second sparking electrode 24 are positioned at same layer, are third layer metal, have insulation course between third layer metal and the second electrode wires 22, also there is insulation course between third layer metal and the first electrode wires 21, this scheme can be suitable in the technique of multiple layer metal.
In fig. 2, the first sparking electrode 23 connects the first electrode wires 21 and neutralizes the cross one another part of the second electrode wires 22, and certainly, the first sparking electrode 23 also can connect the other parts in the first electrode wires 21 except mutual cross section.
Preferably, the electrostatic discharge protection device that the embodiment of the present invention provides, as shown in Figure 3, the border of the second sparking electrode 24 exists at least one second point of discharge, at least one in described second point of discharge is just at least one first point of discharge borderline of the first sparking electrode 23; Described second point of discharge be the second sparking electrode 24 border on curvature be greater than point with the mutual curvature of the borderline each point of cross section of the first electrode wires 21 in the second electrode wires 22.
At least one point of discharge on first sparking electrode 23 is just at least one point of discharge on the second sparking electrode 24, can point discharge be formed like this, thus further increase the maximum field intensity of the electric field between the first sparking electrode 23 and the second sparking electrode 24.
Further; the electrostatic discharge protection device that the embodiment of the present invention provides; as shown in Figure 4, there is in the figure of the border formation of the first sparking electrode 23 angle that angle is less than 180 degree, and in described figure, angle is less than the angle of 180 degree just to described second sparking electrode 24.
The angle that angle is less than 180 degree in the figure that the border of the first sparking electrode 23 is formed forms a tip, and the first sparking electrode 23 can be discharged to the second sparking electrode 24 by this tip.In the figure of the border formation of the first sparking electrode 23, angle is less than borderline first point of discharge that the angle of 180 degree is the first sparking electrode 23.
Certainly, the angle that a more than angle can be had to be less than 180 degree in the figure that the border of the first sparking electrode 23 is formed.
As shown in Figure 4; in the electrostatic protection device that the embodiment of the present invention provides; there is in the figure of the border formation of the second sparking electrode 24 angle that angle is less than 180 degree, and in described figure, angle is less than the angle of 180 degree just at least one point of discharge in described first sparking electrode 23.
The angle that angle is less than 180 degree in the figure that the border of the second sparking electrode 24 is formed forms a tip, and the second sparking electrode 24 can be discharged to the first sparking electrode 23 by this tip.In the figure of the border formation of the second sparking electrode 24, angle is less than borderline second point of discharge that the angle of 180 degree is the second sparking electrode 24.
Certainly, the angle that a more than angle can be had to be less than 180 degree in the figure that the border of the second sparking electrode 24 is formed.
In the diagram, the figure that the border of the first sparking electrode 23 is formed is hexagon, the figure that the border of the second sparking electrode 24 is formed is pentagon, certainly, the figure that the figure of border formation of the first sparking electrode 23 and the border of the second sparking electrode 24 are formed also can be other shape, as long as form point discharge between the first sparking electrode 23 and the second sparking electrode 24, be greater than the maximum field intensity of the electric field between the first electrode wires 21 and the second electrode wires 22 with the maximum field intensity realizing the electric field between the first sparking electrode 23 and the second sparking electrode 24.
The layer at the first sparking electrode and the second sparking electrode place can be positioned at the same side of the layer at the first electrode wires place and the layer at the second electrode wires place, also can between the layer at the first electrode wires place and the layer at the second electrode wires place.
When the layer at the first sparking electrode place and the layer at the second sparking electrode place are same layer, and the layer at the layer at the first sparking electrode place and the first electrode wires place is when being same layer, the electrostatic discharge protection device that the embodiment of the present invention provides, as shown in Figure 5, the border of the first sparking electrode 51 exists at least one first point of discharge, at least one in described first point of discharge is just to the second sparking electrode 52; Described first point of discharge be the first sparking electrode 51 border on curvature be greater than point with the mutual curvature of the borderline each point of cross section (part that Fig. 5 bend is filled) of the second electrode wires 22 in the first electrode wires 21.
In Fig. 5 for the first sparking electrode 51 be an oval part, the second sparking electrode 52 is described for rectangle, certainly, the first sparking electrode 51 and the second sparking electrode 52 also can be other shapes.Due to the part that the first sparking electrode 23 is oval, therefore, the curvature of the borderline each point of the first sparking electrode 51 is all greater than the curvature of the borderline each point of the mutual cross section (part that Fig. 2 bend is filled) with the second electrode wires 22 in the first electrode wires 21.And, due to the part (comprising the part of point of maximum curvature) that the first sparking electrode 23 is oval, therefore, the point going rate maximum in ellipse just can increased the maximum field intensity of the electric field between the first sparking electrode 51 and the second sparking electrode 52 to the second sparking electrode 52.
In Figure 5, the via hole between the second sparking electrode 52 and the second electrode wires 22 is represented with the rectangular box of cross.
Second sparking electrode 52 can be positioned at directly over the second electrode wires 22, also the oblique upper of the second electrode wires 22 can be positioned at, to be positioned at directly over the second electrode wires 22 (like this, the second sparking electrode 52 can be connected by means of only via hole with the second electrode wires 22) with the second sparking electrode 52 in Fig. 5 to be described for example.In Figure 5, the first sparking electrode 23, second sparking electrode 24 and the first electrode wires 21 are positioned at same layer, have insulation course between this layer and the second electrode wires 22.
In Figure 5, the first sparking electrode 51 connects the first electrode wires 21 and neutralizes the cross one another part of the second electrode wires 22, and certainly, the first sparking electrode 51 also can connect the other parts in the first electrode wires 21 except mutual cross section.
Preferably, the electrostatic discharge protection device that the embodiment of the present invention provides, as shown in Figure 6, the border of the second sparking electrode 52 exists at least one second point of discharge, at least one in described second point of discharge is just at least one first point of discharge borderline of the first sparking electrode 51; Described second point of discharge be the second sparking electrode 52 border on curvature be greater than point with the mutual curvature of the borderline each point of cross section of the first electrode wires 21 in the second electrode wires 22.
At least one point of discharge on first sparking electrode 51 is just at least one point of discharge on the second sparking electrode 52, can point discharge be formed like this, thus further increase the maximum field intensity of the electric field between the first sparking electrode 51 and the second sparking electrode 52.
Further, the electrostatic discharge protection device that the embodiment of the present invention provides, as shown in Figure 7, have the angle that angle is less than 180 degree, and in described figure, angle is less than the angle of 180 degree just to the second sparking electrode 52 in the figure of the border formation of the first sparking electrode 51.
The angle that angle is less than 180 degree in the figure that the border of the first sparking electrode 51 is formed forms a tip, and the first sparking electrode 51 can be discharged to the second sparking electrode 52 by this tip.In the figure of the border formation of the first sparking electrode 51, angle is less than borderline first point of discharge that the angle of 180 degree is the first sparking electrode 51.
Certainly, the angle that a more than angle can be had to be less than 180 degree in the figure that the border of the first sparking electrode 51 is formed.
As shown in Figure 7; in the electrostatic protection device that the embodiment of the present invention provides; there is in the figure of the border formation of the second sparking electrode 52 angle that angle is less than 180 degree, and in described figure, angle is less than the angle of 180 degree just at least one point of discharge in described first sparking electrode 51.
The angle that angle is less than 180 degree in the figure that the border of the second sparking electrode 52 is formed forms a tip, and the second sparking electrode 52 can be discharged to the first sparking electrode 51 by this tip.In the figure of the border formation of the second sparking electrode 52, angle is less than borderline second point of discharge that the angle of 180 degree is the second sparking electrode 52.
Certainly, the angle that a more than angle can be had to be less than 180 degree in the figure that the border of the second sparking electrode 52 is formed.
In the figure 7, the figure that the border of the first sparking electrode 51 is formed is triangle, the figure that the border of the second sparking electrode 52 is formed is pentagon, certainly, the figure that the figure of border formation of the first sparking electrode 51 and the border of the second sparking electrode 52 are formed also can be other shape, as long as form point discharge between the first sparking electrode 51 and the second sparking electrode 52, be greater than the maximum field intensity of the electric field between the first electrode wires 21 and the second electrode wires 22 with the maximum field intensity realizing the electric field between the first sparking electrode 51 and the second sparking electrode 52.
In the electrostatic discharge protection device shown in Fig. 2 ~ Fig. 4, the first electrode wires, the second electrode wires, the first sparking electrode and the second sparking electrode are arranged in different three layers, all have insulation course between these three layers; In the electrostatic discharge protection device shown in Fig. 5 ~ Fig. 7, the first electrode wires, the first sparking electrode and the second sparking electrode are positioned at one deck, and the second electrode wires is positioned at another layer, have insulation course between this is two-layer.
The display panel that the embodiment of the present invention provides comprises the electrostatic discharge protection device that the embodiment of the present invention provides.
It will be appreciated by those skilled in the art that accompanying drawing is the schematic diagram of a preferred embodiment, the module in accompanying drawing or flow process might not be that enforcement the present invention is necessary.
It will be appreciated by those skilled in the art that the module in the device in embodiment can carry out being distributed in the device of embodiment according to embodiment description, also can carry out respective change and be arranged in the one or more devices being different from the present embodiment.The module of above-described embodiment can merge into a module, also can split into multiple submodule further.
The invention described above embodiment sequence number, just to describing, does not represent the quality of embodiment.
Obviously, those skilled in the art can carry out various change and modification to the present invention and not depart from the spirit and scope of the present invention.Like this, if these amendments of the present invention and modification belong within the scope of the claims in the present invention and equivalent technologies thereof, then the present invention is also intended to comprise these change and modification.
Claims (10)
1. an electrostatic discharge protection device, is characterized in that, comprises the first sparking electrode and the second sparking electrode;
Described first sparking electrode is electrically connected with the first electrode wires, described second sparking electrode is electrically connected with the second electrode wires, mutually insulated between described first sparking electrode and described second sparking electrode, and the maximum field intensity in the maximum field intensity in electric field between described first sparking electrode and described second sparking electrode is greater than between described first electrode wires and described second electrode wires electric field;
Wherein, described first electrode wires and described second electrode wires are the electrode wires in display panel, and mutually insulated between described first electrode wires and described second electrode wires.
2. electrostatic discharge protection device as claimed in claim 1, it is characterized in that, the layer at described first sparking electrode place and the layer at described second sparking electrode place are same layer.
3. electrostatic discharge protection device as claimed in claim 2, it is characterized in that the border of described first sparking electrode existing at least one first point of discharge, at least one in described first point of discharge is just to described second sparking electrode; Described first point of discharge be described first sparking electrode border on curvature be greater than point with the curvature of the borderline each point of the mutual cross section of described second electrode wires in described first electrode wires.
4. electrostatic discharge protection device as claimed in claim 3, is characterized in that, have the angle that angle is less than 180 degree, and in described figure, angle is less than the angle of 180 degree just to described second sparking electrode in the figure of the border formation of described first sparking electrode.
5. electrostatic discharge protection device as claimed in claim 3, is characterized in that, with the cross one another part of described second electrode wires in described first electrode wires of described first sparking electrode connection.
6. electrostatic discharge protection device as claimed in claim 3, it is characterized in that, the border of described second sparking electrode exists at least one second point of discharge, at least one in described second point of discharge is just at least one first point of discharge borderline of described first sparking electrode; Described second point of discharge be described second sparking electrode border on curvature be greater than point with the curvature of the borderline each point of the mutual cross section of described first electrode wires in described second electrode wires.
7. electrostatic discharge protection device as claimed in claim 5; it is characterized in that; there is in the figure of the border formation of described second sparking electrode the angle that angle is less than 180 degree, and in described figure, angle is less than the angle of 180 degree just at least one point of discharge in described first sparking electrode.
8. electrostatic discharge protection device as claimed in claim 2; it is characterized in that; insulation course is had between the layer at described second electrode wires place and the layer at described second sparking electrode place; and have insulation course between the layer at the layer at described first electrode wires place and described first sparking electrode place; described first sparking electrode is connected by via hole with described first electrode wires, and described second sparking electrode is connected by via hole with described second electrode wires.
9. electrostatic discharge protection device as claimed in claim 2; it is characterized in that; the layer at described second electrode wires place and the layer at described second sparking electrode place are same layer; have insulation course between the layer at described first electrode wires place and the layer at described first sparking electrode place, described first sparking electrode is connected by via hole with described first electrode wires.
10. a display panel, is characterized in that, comprise as arbitrary in claim 1 ~ 9 as described in electrostatic discharge protection device.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510166592.9A CN104730745B (en) | 2015-04-09 | 2015-04-09 | A kind of electrostatic discharge protection device and display panel |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510166592.9A CN104730745B (en) | 2015-04-09 | 2015-04-09 | A kind of electrostatic discharge protection device and display panel |
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| CN104730745A true CN104730745A (en) | 2015-06-24 |
| CN104730745B CN104730745B (en) | 2017-08-25 |
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| US20070146564A1 (en) * | 2005-12-23 | 2007-06-28 | Innolux Display Corp. | ESD protection circuit and driving circuit for LCD |
| CN101441372A (en) * | 2007-11-23 | 2009-05-27 | 上海广电Nec液晶显示器有限公司 | Electrostatic discharge protection device of LCD device and manufacturing method thereof |
| CN101630072A (en) * | 2008-07-18 | 2010-01-20 | 群康科技(深圳)有限公司 | Liquid crystal display panel |
| CN103676378A (en) * | 2013-12-16 | 2014-03-26 | 深圳市华星光电技术有限公司 | Array substrate, liquid crystal display panel and manufacturing method of array substrate |
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2015
- 2015-04-09 CN CN201510166592.9A patent/CN104730745B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN1560688A (en) * | 2004-03-10 | 2005-01-05 | 友达光电股份有限公司 | Electrostatic discharge guiding structure and liquid crystal display, with electrostatic discharge guiding structure |
| US20070146564A1 (en) * | 2005-12-23 | 2007-06-28 | Innolux Display Corp. | ESD protection circuit and driving circuit for LCD |
| CN101441372A (en) * | 2007-11-23 | 2009-05-27 | 上海广电Nec液晶显示器有限公司 | Electrostatic discharge protection device of LCD device and manufacturing method thereof |
| CN101630072A (en) * | 2008-07-18 | 2010-01-20 | 群康科技(深圳)有限公司 | Liquid crystal display panel |
| CN103676378A (en) * | 2013-12-16 | 2014-03-26 | 深圳市华星光电技术有限公司 | Array substrate, liquid crystal display panel and manufacturing method of array substrate |
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| CN104730745B (en) | 2017-08-25 |
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