CN105320337A - Electrostatic protection structure and circuit substrate with same - Google Patents
Electrostatic protection structure and circuit substrate with same Download PDFInfo
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- CN105320337A CN105320337A CN201410368165.4A CN201410368165A CN105320337A CN 105320337 A CN105320337 A CN 105320337A CN 201410368165 A CN201410368165 A CN 201410368165A CN 105320337 A CN105320337 A CN 105320337A
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- conducting wire
- electrostatic protection
- protection structure
- central area
- substrate
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Abstract
The invention discloses an electrostatic protection structure and a circuit substrate with the same. The electrostatic protection structure comprises a substrate, at least one first conducting circuit, an insulation layer and at least one second conducting circuit, wherein the substrate is provided with a central area and a peripheral area surrounding the central area; the first conducting circuit is arranged in the peripheral area; the insulation layer covers the first conducting circuit; the second conducting circuit is arranged on the insulation layer; the first conducting circuit and the second conducting circuit surround the central area from multiple sides. The electrostatic protection structure can have better electrostatic protection effect and is prevented from electrostatic breakdown or damage.
Description
[technical field]
The present invention relates to a kind of electrostatic protection structure, particularly a kind ofly to avoid by the electrostatic protection structure of electrostatic breakdown or destruction and the circuit substrate with electrostatic protection structure.
[background technology]
Electric product all can have the problem of electrostatic, when there is static discharge, generally can produce with spark and electric current, can run through circuit board time serious, dissolve circuit top layer and cause fault, the damage of electric product.
In addition, along with science and technology constantly progress, various massaging device is constantly weeded out the old and bring forth the new, such as mobile phone, flat computer, ultra-thin notebook computer and satellite navigation etc.Except generally with except keyboard or mouse input or manipulation, touch technology is utilized to be a kind of quite intuition and welcome control mode to manipulate massaging device.Wherein, touch control display apparatus has the input operation interface of hommization and intuitive, makes the user of any age level all can directly choose with finger or pointer or manipulate massaging device.
Wherein, some touch control display apparatus is by contact panel and display panel combination, then transmits touch signal and display signal with respective signal line.Other touch control display apparatus are directly incorporated on display panel by touch-control circuit to obtain touch-control display panel, makes touch-control display panel have low cost, high penetration and the advantage such as lightening.No matter that above-mentioned a kind of touch-control display panel, if when running into electrostatic problem, usually because the frame of display panel is metal or stainless steel, electrostatic is caused not easily to be exported and to cause product by electrostatic breakdown or destruction.
[summary of the invention]
The object of the present invention is to provide a kind of electrostatic protection structure and there is the circuit substrate of this electrostatic protection structure, preferably electrostatic defending effect and avoiding by electrostatic breakdown or destruction can be had.
For reaching above-mentioned purpose, a kind of electrostatic protection structure of the present invention comprises a substrate, at least one first conducting wire, an insulation course and at least one second conducting wire.Substrate has a central area and a surrounding zone, and surrounding zone is around central area.First conducting wire is arranged in surrounding zone.Insulation course covers on the first conducting wire.Second conducting wire is arranged on the insulating layer.Wherein, the first conducting wire and the second conducting wire are all that multiaspect surrounds central area.
In one embodiment, electrostatic protection structure also comprises one first earth terminal, and it is configured on substrate, and is electrically connected the first conducting wire or the second conducting wire.
In one embodiment, the second conducting wire is arranged on surrounding zone or on central area.
In one embodiment, the first conducting wire and the second Dou Shi two sides, conducting wire or three bread enclose central area.
In one embodiment, the first at least part of conducting wire and the second conducting wire overlap and arrange.
In one embodiment, have one first conducting element in insulation course, the first conducting element is electrically connected the first conducting wire and the second conducting wire.
For reaching above-mentioned purpose, a kind of circuit substrate of the present invention comprises an electrostatic protection structure and a circuit structure.Electrostatic protection structure comprises a substrate, at least one first conducting wire, an insulation course and at least one second conducting wire.Substrate has a central area and a surrounding zone, and surrounding zone is around central area.First conducting wire is arranged in surrounding zone.Insulation course covers on the first conducting wire.Second conducting wire is arranged on the insulating layer.Wherein, the first conducting wire and the second conducting wire are all that multiaspect surrounds central area.Circuit structure is arranged in central area.
In one embodiment, circuit substrate also comprises a flexible circuit board, and it has one second earth terminal, and is electrically connected the first conducting wire or the second conducting wire.
In one embodiment, circuit substrate also comprises one second conducting element, and it is electrically connected the first conducting wire and the second conducting wire.
In one embodiment, circuit structure is touch-control circuit structure, display circuit structure or touch display circuit structure.
From the above, in electrostatic protection structure of the present invention and circuit substrate, the first conducting wire is arranged in the surrounding zone of substrate, and insulation course covers on the first conducting wire, and the second conducting wire is arranged on the insulating layer.In addition, the first conducting wire and the second conducting wire are all that multiaspect surrounds central area.Like this, when circuit substrate runs into electrostatic invasion, can pass through the first conducting wire and the second conducting wire multiaspect and surround the setting of central area and by electrostatic guide to earth terminal, therefore can prevent the electrostatic in the external world from scurrying into central area and causing the destruction of circuit structure.
[accompanying drawing explanation]
Figure 1A is the schematic diagram of a kind of electrostatic protection structure of present pre-ferred embodiments.
Figure 1B is in Figure 1A, linearly the cross-sectional schematic of A-A.
Fig. 2 A to Fig. 2 C is the schematic diagram that the present invention's difference implements the electrostatic protection structure of aspect respectively.
Fig. 3 is the schematic diagram of a kind of circuit substrate of present pre-ferred embodiments.
Fig. 4 A is the different cross-sectional schematic implementing the circuit substrate of aspect.
Fig. 4 B to Fig. 4 D is the different application schematic diagram of circuit substrate.
[embodiment]
Below with reference to relevant drawings, illustrate according to present pre-ferred embodiments electrostatic protection structure and there is the circuit substrate of electrostatic protection structure, wherein identical element is illustrated with identical reference symbol.
Please refer to shown in Figure 1A and Figure 1B, wherein, Figure 1A is the schematic diagram of a kind of electrostatic protection structure 1 of present pre-ferred embodiments, and Figure 1B is in Figure 1A, the linearly cross-sectional schematic of A-A.
Electrostatic protection structure 1 comprises a substrate 11, at least one first conducting wire 12, insulation course 13 (Figure 1A does not show), and at least one second conducting wire 14.
Substrate 11 has central area 111 and a surrounding zone 112.Central area 111 center sections at substrate 11, and the region being circuit (touch control sensing circuit in such as Figure 1A central area 111) is arranged.Surrounding zone 112 is looped around the periphery of central area 111.Wherein, substrate 11 can be that light-permeable material is made, and its material is such as glass, quartz or analog, plastics, rubber, glass fibre or other macromolecular material; Such as, or substrate 11 also can be that light tight material is made, and is metal-glass fiber composite plate, metal-ceramic composite plate, or printed circuit board (PCB), or other material, and the present invention does not limit.
First conducting wire 12 is arranged in surrounding zone 112, and insulation course 13 covers on the first conducting wire 12, and the second conducting wire 14 is arranged on insulation course 13.The present embodiment is with first conducting wire 12 and second conducting wire 14, and the first conducting wire 12 and the second conducting wire 14 are vertical bar shaped circuit is respectively example.But, in other enforcement aspect, the quantity of the first conducting wire 12 or the second conducting wire 14 also can be most, to become the conducting wire of many rings.Insulation course 13 can position on central area 111, or position is on surrounding zone 112, also can simultaneously position on central area 111 and surrounding zone 112; And the second conducting wire 14 can position on central area 111, or on surrounding zone 112, also can simultaneously position on central area 111 and surrounding zone 112.In the present embodiment, insulation course 13 be position on surrounding zone 112, and cover the first conducting wire 12, and the second conducting wire 14 also position on surrounding zone 112, and position is on insulation course 13, make insulation course 13 can isolate the first conducting wire 12 and the second conducting wire 14.At this, " isolation " can be the isolation of interlayer, also can be electrical isolation.The present embodiment is isolated into example with interlayer, below will illustrate again.
First conducting wire 12 or the second conducting wire 114 can be the combinations of homogenous material or multiple material, its material is such as but not limited to being indium tin oxide (indium-tinoxide, ITO), indium-zinc oxide (indium-zincoxide, IZO) or metal (such as aluminum metal, Nai meter Yin).In addition, the material of insulation course 13 can be such as monox (SiOx) or silicon nitride (SiNx), and the present invention does not all limit.
First conducting wire 12 and the second conducting wire 14 are all that multiaspect surrounds central area 111.At this, " multiaspect encirclement " refers to that the first conducting wire 12 and/or the second two sides, conducting wire 14 surround central area 111, or three bread enclose central area 111.As shown in Figure 1A, first conducting wire 12 of the present embodiment and the second conducting wire 14 are that three bread enclose central area 111 (left side of position outside central area 111, upside and right side) simultaneously.
In addition, as shown in Figure 1B, the insulation course 13 of the present embodiment has at least one through hole H1 and one first conducting element C1.First conducting element C1 can be conducting adhesion material, such as but not limited to being elargol or scolding tin, and is filled in through hole H1, makes the first conducting wire 12 and the second conducting wire 14 can pass through the first conducting element C1 and be electrically connected.Certainly, implement in aspect at another, insulation course 13 can not have through hole, and is through insulation course 13 and comes electrical isolation first conducting wire 12 and the second conducting wire 14.Or in another enforcement aspect, the first conducting element C1 also can be wire, and through wire, the first conducting wire 12 and the second conducting wire 14 are electrically connected.
In addition, electrostatic protection structure 1 also can comprise one first earth terminal E1, and the first earth terminal E1 configures on the substrate 11, and is electrically connected the first conducting wire 12 or the second conducting wire 14.Wherein, the first earth terminal E1 can be the earth terminal being arranged on central area 111, or is arranged on the earth terminal of surrounding zone 112.At this, be arranged on the earth terminal of surrounding zone 112 for example.Therefore, the first conducting element C1 that first conducting wire 12 and the second conducting wire 14 are through in insulation course 13 is electrically connected, and second conducting wire 14 through the first earth terminal E1 ground connection, the first conducting wire 12 and the second conducting wire 14 can be electrically connected (ground connection that the first earth terminal E1 can be electrically connected to system) with the first earth terminal E1 respectively.
In addition, first conducting wire 12 of the present embodiment and the second conducting wire 14 are that part overlaps and arranges, and but, implement in aspect at another, the first conducting wire 12 and the second conducting wire 14 also can overlap completely and arrange or do not overlap completely.Therefore, the central area 111 of substrate 11 is surrounded by the first conducting wire 12 and the second conducting wire 14 multiaspect, when running into the problem of electrostatic, what can pass through two conducting wires of the first conducting wire 12 and the second conducting wire 14 arranges by electrostatic guide to ground connection, therefore can prevent extraneous static from destroying the circuit structure of position at central area 111.
In addition, please respectively with reference to shown in figure 2A to Fig. 2 C, it is the different schematic diagram implementing electrostatic protection structure 1a, 1b, 1c of aspect respectively.
As shown in Figure 2 A, main different of electrostatic protection structure 1a and electrostatic protection structure 1 are, the first conducting wire 12a of electrostatic protection structure 1a and the second conducting wire 14a is that two sides surrounds central area 111 (left side of position outside central area 111 and upside) simultaneously.
In addition, as shown in Figure 2 B, main different of electrostatic protection structure 1b and electrostatic protection structure 1 are, the first conducting wire 12b and the second conducting wire 14b of electrostatic protection structure 1b do not overlap completely, and the second 14b position, conducting wire is in the periphery of the first conducting wire 12b.Therefore, the insulation course 13 of the present embodiment does not have through hole H1 and the first conducting element C1, and the first conducting wire 12b and the second conducting wire 14b is electrically connected with the first earth terminal E1 respectively and difference ground connection.
In addition, as shown in Figure 2 C, be from main different of electrostatic protection structure 1, the first conducting wire 12c of electrostatic protection structure 1c and the second conducting wire 14c is electrically connected with the first earth terminal E1 and difference ground connection respectively, therefore the insulation course 13 of electrostatic protection structure 1c also can not have through hole H1 and the first conductive material C1.Certainly, the insulation course 13 of electrostatic protection structure 1c also can have through hole H1 and the first conductive material C1, and the present invention does not limit.
In addition, other technical characteristic of electrostatic protection structure 1a, 1b, 1c with reference to the similar elements of electrostatic protection structure 1, can repeat no more.
Please refer to shown in Fig. 3, it is the schematic diagram of a kind of circuit substrate 2 of present pre-ferred embodiments.
Circuit substrate 2 comprises electrostatic protection structure 1 and a circuit structure 3.Much more no longer electrostatic protection structure 1, at above-mentioned middle detailed description, explains.But, electrostatic protection structure 1a, 1b or 1c that also can be above-mentioned, or one of them of its change aspect replaces electrostatic protection structure 1, and the present invention does not limit.
Circuit structure 3 can be touch-control circuit structure, display circuit structure or touch display circuit structure, and is arranged in central area 111.Circuit structure 3 shown by Fig. 3 is matrix structures of thin film transistor (TFT) (TFT), makes circuit substrate 2 can be thin film transistor base plate.But, in different enforcement aspects, circuit structure 3 can certainly be touch control sensing circuit, or other circuit.
Circuit substrate 2 also can comprise flexible circuit board 5, flexible circuit board 5 is such as soft printed circuit (FlexiblePrintCircuit, FPC) plate, and there is one second earth terminal E2, the second earth terminal E2 is electrically connected the first conducting wire 12 or the second conducting wire 14.At this, the second earth terminal E2 and the second conducting wire 14 are electrically connected.
Therefore, the central area 111 of substrate 11 is surrounded by the first conducting wire 12 and the second conducting wire 14 multiaspect, when circuit substrate 2 runs into the problem of electrostatic, can pass through arranging electrostatic guide to earth terminal of the first conducting wire 12 and the second conducting wire 14, therefore can prevent extraneous electrostatic from scurrying into central area 111 and causing the destruction of circuit structure 3, make circuit substrate 2 have preferably electrostatic defending effect.
One carry, circuit substrate 2 can be applicable on such as contact panel, display panel or touch-control display panel, or also can be applicable on the circuit board of other form again.
For contact panel, as shown in Figure 4 A, if when circuit substrate 2a is external hanging type (Out-Cell) contact panel, substrate 11 is such as glass substrate, and circuit structure 3 can be touch control sensing circuit.In addition, circuit substrate 2a also can comprise black matrix" BM and be arranged on surrounding zone 112, and position is between the first conducting wire 12 and substrate 11.Therefore, as shown in Figure 4 B, circuit substrate 2a can be turned upside down, make the first conducting wire 12 and the second conducting wire 14 contiguous at display panel 4, and be combined into as touch-control display panel with display panel 4.At the present embodiment, glass cover-plate (CoverLens) can be set again or protect touch-control display panel.But, if one chip glass (OneGlassSolution; During the aspect of OGS) contact panel, substrate 11 itself is glass cover-plate, does not need to arrange glass cover-plate in addition.
Again as shown in Figure 4 C, when the aspect of externally embedded type (On-Cell) contact panel, substrate 11 is such as the transparent substrates of colored optical filtering substrates, and circuit structure 3 is touch control sensing circuits, and be formed directly into the outer surface of transparent substrates, the i.e. uper side surface of substrate 11, and be combined into as touch-control display panel with thin film transistor base plate 6, both can sandwiching liquid crystal layer.
In addition, when the aspect of embedded (In-Cell) contact panel, as shown in Figure 4 D, substrate 11 is such as the transparent substrates of colored optical filtering substrates, and circuit structure 3 is touch control sensing circuits, and be formed directly into transparent substrates in the face of the side of thin film transistor base plate 6 on the surface; Or substrate 11 also can be the transparent substrates of thin film transistor base plate, and circuit structure 3 is touch control sensing circuits, and be formed directly into the side on the surface (not shown) of transparent substrates in the face of colored optical filtering substrates.
In addition, in another embodiment, refer again to shown in Fig. 3, substrate 11 is such as the transparent substrates of thin film transistor base plate, and circuit structure 3 is such as display circuit structure (such as film transistor matrix structure), therefore, circuit substrate 2 can be thin film transistor base plate, and be applied in display panel, such as liquid crystal display (LCD) panel or Organic Light Emitting Diode (OLED) display panel.
In sum, in electrostatic protection structure of the present invention and circuit substrate, the first conducting wire is arranged in the surrounding zone of substrate, and insulation course covers on the first conducting wire, and the second conducting wire is arranged on the insulating layer.In addition, the first conducting wire and the second conducting wire are all that multiaspect surrounds central area.Like this, when circuit substrate runs into electrostatic invasion, can pass through the first conducting wire and the second conducting wire multiaspect and surround the setting of central area and by electrostatic guide to earth terminal, therefore can prevent the electrostatic in the external world from scurrying into central area and causing the destruction of circuit structure.
The above is only illustrative, instead of restrictive.Anyly do not depart from the spirit and scope of the present invention, and to its equivalent modifications of carrying out or change, all should comprise in the appended claims.
Claims (10)
1. an electrostatic protection structure, is characterized in that, comprising:
One substrate, has a central area and a surrounding zone, surrounding said central district, described surrounding zone;
At least one first conducting wire, is arranged in described surrounding zone;
One insulation course, covers on described first conducting wire; And
At least one second conducting wire, is arranged on described insulation course;
Wherein, described first conducting wire and described second conducting wire are all that multiaspect surrounds described central area.
2. electrostatic protection structure as claimed in claim 1, is characterized in that, also comprise:
One first earth terminal, configuration on the substrate, and is electrically connected described first conducting wire or described second conducting wire.
3. electrostatic protection structure as claimed in claim 1, it is characterized in that, described second conducting wire is arranged on described surrounding zone or on described central area.
4. electrostatic protection structure as claimed in claim 1, is characterized in that, described first conducting wire and described second Dou Shi two sides, conducting wire or three bread enclose described central area.
5. electrostatic protection structure as claimed in claim 1, it is characterized in that, at least part of described first conducting wire and described second conducting wire overlap and arrange.
6. electrostatic protection structure as claimed in claim 1, is characterized in that having one first conducting element in described insulation course, and described first conducting element is electrically connected described first conducting wire and described second conducting wire.
7. a circuit substrate, is characterized in that, comprising:
One electrostatic protection structure, comprising:
One substrate, has a central area and a surrounding zone, surrounding said central district, described surrounding zone;
At least one first conducting wire, is arranged in described surrounding zone;
One insulation course, covers on described first conducting wire; And
At least one second conducting wire, is arranged on described insulation course;
Wherein, described first conducting wire and described second conducting wire are all that multiaspect surrounds described central area; And
One circuit structure, is arranged in described central area.
8. circuit substrate as claimed in claim 7, is characterized in that, also comprise:
One flexible circuit board, has one second earth terminal, and is electrically connected described first conducting wire or described second conducting wire.
9. circuit substrate as claimed in claim 7, is characterized in that, also comprise:
One second conducting element, is electrically connected described first conducting wire and described second conducting wire.
10. circuit substrate as claimed in claim 7, it is characterized in that, described circuit structure is touch-control circuit structure, display circuit structure or touch display circuit structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410368165.4A CN105320337A (en) | 2014-07-29 | 2014-07-29 | Electrostatic protection structure and circuit substrate with same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410368165.4A CN105320337A (en) | 2014-07-29 | 2014-07-29 | Electrostatic protection structure and circuit substrate with same |
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| CN105320337A true CN105320337A (en) | 2016-02-10 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201410368165.4A Pending CN105320337A (en) | 2014-07-29 | 2014-07-29 | Electrostatic protection structure and circuit substrate with same |
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| CN106094374A (en) * | 2016-06-17 | 2016-11-09 | 京东方科技集团股份有限公司 | Circuit substrate, display floater and display device |
| CN106405959A (en) * | 2016-10-13 | 2017-02-15 | 武汉华星光电技术有限公司 | Electrostatic protection structure of liquid crystal panel |
| CN106527816A (en) * | 2016-12-01 | 2017-03-22 | 京东方科技集团股份有限公司 | Touch substrate, preparation method thereof and touch display device |
| CN107065272A (en) * | 2017-06-09 | 2017-08-18 | 京东方科技集团股份有限公司 | Display panel and display device |
| CN107885388A (en) * | 2017-08-25 | 2018-04-06 | 友达光电股份有限公司 | Panel with electrostatic protection structure |
| CN109407883A (en) * | 2018-09-27 | 2019-03-01 | 合肥鑫晟光电科技有限公司 | A kind of touch screen and preparation method thereof, display device |
| WO2019140954A1 (en) * | 2018-01-19 | 2019-07-25 | 京东方科技集团股份有限公司 | Display panel, display device, and preparation method therefor |
| CN110702955A (en) * | 2019-09-19 | 2020-01-17 | 南京中电熊猫平板显示科技有限公司 | Electrostatic protection device and anti-static test circuit |
| CN114764991A (en) * | 2021-01-12 | 2022-07-19 | 群创光电股份有限公司 | Display panel and window |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106094374A (en) * | 2016-06-17 | 2016-11-09 | 京东方科技集团股份有限公司 | Circuit substrate, display floater and display device |
| WO2017215366A1 (en) * | 2016-06-17 | 2017-12-21 | 京东方科技集团股份有限公司 | Circuit substrate, display panel and display device |
| US10921660B2 (en) | 2016-06-17 | 2021-02-16 | Boe Technology Group Co., Ltd. | Circuit board, display panel and display device |
| CN106405959B (en) * | 2016-10-13 | 2019-09-27 | 武汉华星光电技术有限公司 | A kind of electrostatic protection structure of liquid crystal display panel |
| CN106405959A (en) * | 2016-10-13 | 2017-02-15 | 武汉华星光电技术有限公司 | Electrostatic protection structure of liquid crystal panel |
| CN106527816A (en) * | 2016-12-01 | 2017-03-22 | 京东方科技集团股份有限公司 | Touch substrate, preparation method thereof and touch display device |
| US11134593B2 (en) | 2016-12-01 | 2021-09-28 | Boe Technology Group Co., Ltd. | Touch substrate, manufacturing method thereof, and touch display device |
| WO2018099404A1 (en) * | 2016-12-01 | 2018-06-07 | 京东方科技集团股份有限公司 | Touch substrate and preparation method therefor, and touch display device |
| CN106527816B (en) * | 2016-12-01 | 2019-03-29 | 京东方科技集团股份有限公司 | A kind of touch base plate and preparation method thereof, touch control display apparatus |
| CN107065272A (en) * | 2017-06-09 | 2017-08-18 | 京东方科技集团股份有限公司 | Display panel and display device |
| CN107885388A (en) * | 2017-08-25 | 2018-04-06 | 友达光电股份有限公司 | Panel with electrostatic protection structure |
| WO2019140954A1 (en) * | 2018-01-19 | 2019-07-25 | 京东方科技集团股份有限公司 | Display panel, display device, and preparation method therefor |
| CN109407883A (en) * | 2018-09-27 | 2019-03-01 | 合肥鑫晟光电科技有限公司 | A kind of touch screen and preparation method thereof, display device |
| CN110702955A (en) * | 2019-09-19 | 2020-01-17 | 南京中电熊猫平板显示科技有限公司 | Electrostatic protection device and anti-static test circuit |
| CN114764991A (en) * | 2021-01-12 | 2022-07-19 | 群创光电股份有限公司 | Display panel and window |
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Application publication date: 20160210 |