CN101765289A - Electrostatic discharge protective structure and displaying device using the same - Google Patents
Electrostatic discharge protective structure and displaying device using the same Download PDFInfo
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- CN101765289A CN101765289A CN200910258896A CN200910258896A CN101765289A CN 101765289 A CN101765289 A CN 101765289A CN 200910258896 A CN200910258896 A CN 200910258896A CN 200910258896 A CN200910258896 A CN 200910258896A CN 101765289 A CN101765289 A CN 101765289A
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- electrostatic discharge
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Abstract
The invention relates to an electrostatic discharge protective structure, which is composed of an electric conduction adhesive tape and is suitable for leading electric charges to a grounding piece. The electric conduction adhesive tape comprises an insulation adhesive layer and an electric conduction layer which is configured on the insulation adhesive layer. The electrostatic discharge protective structure comprises an adhered part and a grounding part, wherein, the grounding part is extended out from the adhered part, and a connecting section and a grounding section which are adhered are formed on the grounding part by folding part of the electric conduction adhesive tape in a reversing way. The connecting section is adhered between the adhered part and the grounding section, and part of the insulation adhesive layer of the connecting section and part of the insulation adhesive layer of the grounding section are adhered, and part of electric conduction layer of the grounding section is contacted with the grounding piece. The electrostatic discharge protective structure is only composed of the electric conduction adhesive tape, thereby having the advantages of thin thickness and low production cost. Moreover, the invention provides a displaying device which uses the electrostatic discharge protective structure.
Description
Technical field
The invention relates to a kind of static discharge (electrostatic discharge, ESD) safeguard structure, and particularly relevant for a kind of electrostatic discharge protection structure that constitutes by conductive tape and the display unit of using it.
Background technology
Static discharge causes electronic component impaired easily, causes shorten the useful life of electronic installation, so in electronic installation, design has the electrostatic discharge protective measure usually.
As mentioned above, also be provided with multiple electrostatic discharge protective measure in the liquid crystal indicator.Fig. 1 is the partial cutaway schematic of known a kind of liquid crystal indicator.Please refer to Fig. 1, the peripheral circuit 110 and the drive circuit board 120 of known display panels are positioned on the chase 130, peripheral circuit 110 is by flexible circuit board (flexible printed circuit board, FPCB) 140 and be electrically connected to drive circuit board 120, wherein drive circuit board 120 has ground mat 122.Known technology is by the screw 150 that passes ground mat 122 drive circuit board 120 to be attached on the chase 130, and this screw 150 has conducting function.
The electrostatic discharge protective measure of above-mentioned framework is to adopt conductive aluminum foil 160 to add that conducting resinl 170 leads ground mat 122 with the static in the external world via chase 130 and screw 150.In addition, in order to prevent conducting resinl 170 contact wafers 112 or other electronic components, between conducting resinl 170 and wafer 112 and electronic component, insulating barrier 180 need be set, and the surface back to conducting resinl 170 of insulating barrier 180 is covered with another glue-line 190.Be covered on the peripheral circuit 110 of display panels by this glue-line 190, the function of fixer LCD panel and drive circuit board 120 can be provided.
In known electrostatic discharge protection structure, because of conducting resinl 170 can not directly be covered on the peripheral circuit 110 of display floater, so insulating barrier 180 and glue-line 190 need be set in addition.Yet this will make whole electrostatic discharge protection structure become complicated, cause thickness thicker and production cost is higher, and use the production cost and the thickness of the liquid crystal indicator of this electrostatic discharge protection structure also to increase thereupon.
Summary of the invention
The invention provides a kind of electrostatic discharge protection structure, to reduce production costs and thickness.
The present invention provides a kind of display unit in addition, to reduce production costs and thickness.
For reaching above-mentioned purpose, the present invention proposes a kind of electrostatic discharge protection structure, and it is made of conductive tape, and is suitable for electric charge is directed at earthing member.This conductive tape comprises the insulation glue-line and is disposed at the conductive layer of insulation on the glue-line.This electrostatic discharge protection structure comprises paste section and grounding parts, and wherein grounding parts is extended by the paste section, and grounding parts forms bonding linkage section and ground connection section by partially conductive adhesive tape reflexed.Linkage section is connected between paste section and the ground connection section, and the SI semi-insulation glue-line of the SI semi-insulation glue-line of linkage section and ground connection section is bonding, and the partially conductive layer of ground connection section contact earthing member.
In one embodiment of this invention, the linkage section of above-mentioned grounding parts and ground connection section have perforate respectively, for retaining element grounding parts are fixed in earthing member.
In one embodiment of this invention, the area of above-mentioned linkage section is greater than the area of ground connection section, and the SI semi-insulation glue-line of grounding parts by linkage section is pasted on earthing member.
In one embodiment of this invention, above-mentioned conductive tape more comprises at the light shield layer that insulate between glue-line and the conductive layer.
In one embodiment of this invention, above-mentioned conductive layer comprises aluminium foil layer.
For reaching above-mentioned purpose, the present invention proposes a kind of display unit in addition, and it comprises display floater, at least one circuit board, earthing member and above-mentioned electrostatic discharge protection structure.Display floater has peripheral circuit, and circuit board is positioned at by the display floater, and circuit board is electrically connected to peripheral circuit.Peripheral circuit is pasted in the paste section of electrostatic discharge protection structure.
In one embodiment of this invention, above-mentioned display unit more comprises retaining element.The linkage section of grounding parts and ground connection section have perforate respectively, for retaining element grounding parts are fixed in earthing member.
In one embodiment of this invention, the material of above-mentioned retaining element is the insulation material.
In one embodiment of this invention, the area of above-mentioned linkage section is greater than the area of ground connection section, and the SI semi-insulation glue-line of grounding parts by linkage section is pasted on earthing member.
In one embodiment of this invention, above-mentioned earthing member comprises the ground mat of being located at circuit board.
In one embodiment of this invention, above-mentioned earthing member earthing member comprises a framework.
In one embodiment of this invention, above-mentioned display unit more comprises the framework that is used to carry display floater.
In one embodiment of this invention, above-mentioned display unit more comprises retaining element.The linkage section of circuit board and grounding parts and ground connection section have perforate respectively, for retaining element grounding parts and circuit board are scheduled framework together.
In one embodiment of this invention, above-mentioned paste section more is bent to the side back to display floater of framework, the back side back to display floater of the partially conductive layer contact framework of ground connection section.The area of linkage section is greater than the area of ground connection section, and grounding parts is pasted on the back side of framework by the SI semi-insulation glue-line of linkage section.
In one embodiment of this invention, above-mentioned display floater comprises the first relative substrate and second substrate, and peripheral circuit is located at first substrate, and the paste section more affixes to the edge of second substrate.
Electrostatic discharge protection structure of the present invention is except providing the fixing function by the paste section, because with partially conductive adhesive tape reflexed so that the ground connection section to be exposed to outer surface be the surface of conductive layer, so also can be by the partially conductive layer contact earthing member of ground connection section, to reach the effect of electrostatic discharge protective.Because electrostatic discharge protection structure of the present invention only is made of conductive tape, so can significantly reduce cost and make the integral thickness attenuation.In addition, display unit of the present invention is because of using this electrostatic discharge protection structure, so can reduce production costs and thickness.
For above-mentioned and other purposes, feature and advantage of the present invention can be become apparent, preferred embodiment cited below particularly, and conjunction with figs. are described in detail below.
Description of drawings
Fig. 1 is the partial cutaway schematic of known a kind of liquid crystal indicator.
Fig. 2 is the generalized section of a kind of electrostatic discharge protection structure of one embodiment of the invention.
Fig. 3 is the schematic perspective view of a kind of electrostatic discharge protection structure of another embodiment of the present invention.
Fig. 4 is the partial cutaway schematic of display unit of the display unit of one embodiment of the invention.
Fig. 5 is the partial cutaway schematic of the display unit of another embodiment of the present invention.
Fig. 6 is the schematic perspective view of the employed electrostatic discharge protection structure reflexed of the display unit of Fig. 5 to the framework back side.
Fig. 7 is the schematic diagram that the grounding parts of the employed electrostatic discharge protection structure of display unit of Fig. 5 is pasted on framework.
Description of reference numerals
50: earthing member
110: peripheral circuit
112: wafer
120: drive circuit board
122: ground mat
130: chase
140: flexible circuit board
150: screw
160: conductive aluminum foil
170: conducting resinl
180: insulating barrier
190: glue-line
200,200 ': electrostatic discharge protection structure
202: conductive tape
204: the insulation glue-line
205: the zone
206: conductive layer
210: the paste section
220,220 ': grounding parts
222,222 ': linkage section
223,227: perforate
224,224 ': the ground connection section
225: the ground connection section be exposed to outer surface
300,300 ': display unit
310: display floater
312: peripheral circuit
314: the first substrates
316: the second substrates
320: circuit board
330: earthing member
340: flexible circuit board
350: retaining element
360: framework
362: the back side of framework
Embodiment
Fig. 2 is the generalized section of a kind of electrostatic discharge protection structure of one embodiment of the invention.Please refer to Fig. 2, electrostatic discharge protection structure 200 Pastings of present embodiment are in electronic product to be protected, so that the effect of electrostatic discharge protective to be provided.This electrostatic discharge protection structure 200 is made of conductive tape 202, and is suitable for electric charge is directed at the earthing member 50 of electronic product.Earthing member 50 can be the ground mat of framework or circuit board, but is not limited thereto, also can be according to the actual demand adjustment.This conductive tape 202 comprises insulation glue-line 204 and is disposed at the conductive layer 206 of insulation on the glue-line 204 that wherein conductive layer 206 for example is aluminium foil layer or other suitable electric conducting materials.This electrostatic discharge protection structure 200 comprises paste section 210 and grounding parts 220, and wherein grounding parts 220 is extended by paste section 210, and grounding parts 220 forms bonding linkage section 222 and ground connection section 224 by partially conductive adhesive tape 202 reflexeds.Linkage section 222 is connected between paste section 210 and the ground connection section 224, and the SI semi-insulation glue-line 204 of linkage section 222 binds mutually with the SI semi-insulation glue-line 204 of ground connection section 224, and the partially conductive layer 206 contact earthing member 50 of ground connection section 224.
What deserves to be mentioned is when electrostatic discharge protection structure 200 is applied to portions of electronics product (as display unit), to have the function of shading, light shield layer (figure does not show) can be set between insulation glue-line 204 and conductive layer 206 in order to make electrostatic discharge protection structure 200.So, can prevent light leak and influence the display quality of electronic product, or prevent that irradiate light is to the inner member of electronic product and cause the life-span of element or usefulness to be subjected to bad influence.
Fig. 3 is the schematic perspective view of a kind of electrostatic discharge protection structure of another embodiment of the present invention.Please refer to Fig. 3, the electrostatic discharge protection structure 200 ' of present embodiment is similar to the electro-static discharge structure of Fig. 2 200, difference be in the grounding parts 220 ' of electrostatic discharge protection structure 200 ' and electrostatic discharge protection structure 200 grounding parts 220 different.Particularly, the area of the linkage section 222 ' of grounding parts 220 ' is greater than the area of ground connection section 224 ', and grounding parts 220 ' can be pasted on earthing member (figure does not show) by the SI semi-insulation glue-line 204 of linkage section 222 '.
Below will be that example illustrates that electrostatic discharge protection structure of the present invention is applied to the specific embodiment of electronic product with the display unit, only electrostatic discharge protection structure of the present invention be defined in the display unit.
Fig. 4 is the partial cutaway schematic of display unit of the display unit of one embodiment of the invention.Please refer to Fig. 4, the display unit 300 of present embodiment comprises display floater 310, at least one circuit board 320, earthing member 330 and above-mentioned electrostatic discharge protection structure 200.Display floater 310 has peripheral circuit 312, and it is other that circuit board 320 is positioned at display floater 310, is electrically connected to peripheral circuit 312.This circuit board 320 for example is to be electrically connected to peripheral circuit 312 by flexible circuit board 340.Circuit board 320 for example is a drive circuit board.
In addition, the linkage section 222 and the ground connection section 224 of grounding parts 220 have perforate 223,227 respectively, and this two perforate 223,227 communicates.Display unit 300 more comprises retaining element 350, and this retaining element 350 passes perforate 223,227 and grounding parts 220 is fixed in earthing member 330.Retaining element 350 for example can be locking part (as screw), fastener etc., but not as limit.In addition, display unit 300 more comprises the framework 360 that is used to carry display floater 310, and this framework 360 also can be used for bearer circuit plate 320.Above-mentioned retaining element 350 can further pass circuit board 320 and circuit board 320 is fixed in framework 360.
Be different from known technology, the electrostatic discharge protection structure 200 of present embodiment can directly static be led earthing member 330 by conductive layer 206, and do not need, so the material of above-mentioned retaining element 350 can be selected the insulation material for use via retaining element 350.In addition, compared to known technology, because the display unit 300 employed electrostatic discharge protection structures 200 of present embodiment have the advantage of the low and thin thickness of cost, so can reduce the production cost and the thickness of display unit 300.
Fig. 5 is the partial cutaway schematic of the display unit of another embodiment of the present invention, Fig. 6 is the schematic perspective view of the employed electrostatic discharge protection structure reflexed of the display unit of Fig. 5 to the framework back side, is pasted on the schematic diagram of framework and Fig. 7 is the grounding parts of the employed electrostatic discharge protection structure of display unit of Fig. 5.Please earlier with reference to Fig. 5 and Fig. 6, the display unit 300 ' of present embodiment is similar to above-mentioned display unit 300, and difference is in the electrostatic discharge protection structure 200 ' that uses Fig. 3 in the display unit 300 ' of present embodiment.Peripheral circuits 312 are pasted in the paste section 210 of electrostatic discharge protection structure 200 ', and the side back to display floater 310 from a lateral buckling of the carrying display floater 310 of framework 360 to framework 360.The back side 362 back to display floater 310 of the partially conductive layer 206 contact framework 360 of the ground connection section 224 ' of the grounding parts 220 ' of electrostatic discharge protection structure 200 '.In addition, please refer to Fig. 6 and Fig. 7, grounding parts 220 ' is pasted on the back side 362 of framework 360 by the SI semi-insulation glue-line 204 (as the zone of label 205 indications) of linkage section 222 '.
In the present embodiment, the material of framework 360 for example is that iron or other have the material of conductivity, and the material of retaining element 350 for example has conductivity, so can static be directed at the earthing member 330 of being located at circuit board 320 by framework 360 and retaining element 350.Though earthing member 330 is ground mats of being located at circuit board 320 in the present embodiment, in another embodiment, earthing member can be made of a plurality of parts, and framework 360 can be directly as the wherein parts of earthing member.
The display unit 300 ' of present embodiment has similar advantage to above-mentioned display unit 300, will no longer repeat at this.
In sum, the present invention has following advantage at least:
1. the paste section of electrostatic discharge protection structure of the present invention can provide fixing function, and because of with partially conductive adhesive tape reflexed so that the ground connection section to be exposed to outer surface be the surface of conductive layer, so can be by the partially conductive layer contact earthing member of ground connection section, so that static is directed at earthing member, and then reach the effect of electrostatic discharge protective.Because electrostatic discharge protection structure of the present invention only is made of conductive tape, so can significantly reduce cost and make the integral thickness attenuation of electrostatic discharge protection structure.
2. because the electrostatic discharge protection structure that display unit of the present invention is used has the advantage of the low and thin thickness of production cost, so can reduce the production cost and the thickness of display unit of the present invention.
Though the present invention with preferred embodiment openly as above; right its is not in order to limit the present invention; the ordinary technical staff in the technical field of the invention; without departing from the spirit and scope of the present invention; when can doing a little change and retouching, so protection scope of the present invention is as the criterion when the protection range that look claims defines.
Claims (17)
1. an electrostatic discharge protection structure is made of a conductive tape, and is suitable for electric charge is directed at an earthing member, and this conductive tape comprises an insulation glue-line and be disposed at a conductive layer on this insulation glue-line that this electrostatic discharge protection structure comprises:
One paste section; And
One grounding parts, extend by this paste section, this grounding parts forms a bonding linkage section and a ground connection section by this conductive tape reflexed of part, this linkage section is connected between this paste section and this ground connection section, and it is bonding that the part of this insulation glue-line of the part of this linkage section and this ground connection section is somebody's turn to do the insulation glue-line, and this conductive layer of the part of this ground connection section contacts this earthing member.
2. electrostatic discharge protection structure according to claim 1, wherein this linkage section of this grounding parts and this ground connection section have a perforate respectively, for a retaining element this grounding parts are fixed in this earthing member.
3. electrostatic discharge protection structure according to claim 1, wherein the area of this linkage section is greater than the area of this ground connection section, and this grounding parts this insulation glue-line of part by this linkage section is pasted on this earthing member.
4. electrostatic discharge protection structure according to claim 1, wherein this conductive tape more comprises the light shield layer between this insulation glue-line and this conductive layer.
5. electrostatic discharge protection structure according to claim 1, wherein this conductive layer comprises an aluminium foil layer.
6. display unit comprises:
One display floater has a peripheral circuit;
At least one circuit board is positioned at by this display floater, and this circuit board is electrically connected to this peripheral circuit;
One earthing member;
One electrostatic discharge protection structure is made of a conductive tape, and this conductive tape comprises an insulation glue-line and be disposed at a conductive layer on this insulation glue-line that this electrostatic discharge protection structure comprises:
This peripheral circuit is pasted in one paste section; And
One grounding parts, extend by this paste section, this grounding parts forms a bonding linkage section and a ground connection section by this conductive tape reflexed of part, this linkage section is connected between this paste section and this ground connection section, and it is bonding that the part of this insulation glue-line of the part of this linkage section and this ground connection section is somebody's turn to do the insulation glue-line, and this conductive layer of the part of this ground connection section contacts this earthing member.
7. display unit according to claim 6 more comprises a retaining element, and this linkage section of this grounding parts and this ground connection section have a perforate respectively, for this retaining element this grounding parts are fixed in this earthing member.
8. display unit according to claim 7, wherein the material of this retaining element is the insulation material.
9. display unit according to claim 6, wherein the area of this linkage section is greater than the area of this ground connection section, and this grounding parts this insulation glue-line of part by this linkage section is pasted on this earthing member.
10. display unit according to claim 6, wherein this earthing member comprises a ground mat of being located at this circuit board.
11. display unit according to claim 6, wherein this earthing member comprises a framework.
12. display unit according to claim 6 more comprises a framework that is used to carry this display floater.
13. display unit according to claim 12 more comprises a retaining element, this linkage section of this circuit board and this grounding parts and this ground connection section have a perforate respectively, for this retaining element this grounding parts and this circuit board are fixed in this framework.
14. display unit according to claim 12, wherein this paste section more is bent to the side back to this display floater of this framework, this conductive layer of the part of this ground connection section contacts the back side back to this display floater of this framework, and the area of this linkage section is greater than the area of this ground connection section, and this grounding parts is pasted on this back side of this framework by this insulation glue-line of part of this linkage section.
15. display unit according to claim 6, wherein this conductive tape more comprises the light shield layer between this insulation glue-line and this conductive layer.
16. display unit according to claim 6, wherein this display floater comprises one first relative substrate and one second substrate, and this peripheral circuit is located at this first substrate, and this paste section more affixes to the edge of this second substrate.
17. display unit according to claim 6, wherein this conductive layer comprises an aluminium foil layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910258896A CN101765289B (en) | 2009-12-30 | 2009-12-30 | Electrostatic discharge protective structure and displaying device using the same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910258896A CN101765289B (en) | 2009-12-30 | 2009-12-30 | Electrostatic discharge protective structure and displaying device using the same |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101765289A true CN101765289A (en) | 2010-06-30 |
| CN101765289B CN101765289B (en) | 2012-09-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200910258896A Expired - Fee Related CN101765289B (en) | 2009-12-30 | 2009-12-30 | Electrostatic discharge protective structure and displaying device using the same |
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| Country | Link |
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| CN (1) | CN101765289B (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105873342A (en) * | 2015-01-20 | 2016-08-17 | 群创光电股份有限公司 | Display device |
| CN107454295A (en) * | 2017-08-31 | 2017-12-08 | 广东欧珀移动通信有限公司 | CCD camera assembly and mobile terminal |
| CN109144334A (en) * | 2018-07-18 | 2019-01-04 | 青岛海信医疗设备股份有限公司 | A kind of capacitance touching control formula display device and display parameters detection method |
| CN109256040A (en) * | 2018-10-26 | 2019-01-22 | 厦门天马微电子有限公司 | Display panel and display device |
| WO2019071817A1 (en) * | 2017-10-12 | 2019-04-18 | 惠科股份有限公司 | Display device |
| CN112349207A (en) * | 2020-11-10 | 2021-02-09 | 京东方科技集团股份有限公司 | Backlight module and display panel |
| CN113838838A (en) * | 2020-06-24 | 2021-12-24 | 群创光电股份有限公司 | Display device |
| WO2023226644A1 (en) * | 2022-05-24 | 2023-11-30 | 京东方科技集团股份有限公司 | Electronic device protection structure, circuit board, display module and manufacturing method |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000243677A (en) * | 1999-02-18 | 2000-09-08 | Matsushita Electric Ind Co Ltd | Circuit device manufacturing apparatus |
| TWI313763B (en) * | 2004-02-16 | 2009-08-21 | Au Optronics Corp | Electrostatic discharge guiding structure and liquid crystal display having the same |
| JP2006236870A (en) * | 2005-02-28 | 2006-09-07 | Seiko Instruments Inc | Display device |
| US7456432B2 (en) * | 2006-11-20 | 2008-11-25 | Tpo Displays Corp. | System having electrostatic discharge protection structure and method for manufacturing the same |
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2009
- 2009-12-30 CN CN200910258896A patent/CN101765289B/en not_active Expired - Fee Related
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105873342A (en) * | 2015-01-20 | 2016-08-17 | 群创光电股份有限公司 | Display device |
| CN105873342B (en) * | 2015-01-20 | 2018-02-09 | 群创光电股份有限公司 | Display device |
| CN107454295A (en) * | 2017-08-31 | 2017-12-08 | 广东欧珀移动通信有限公司 | CCD camera assembly and mobile terminal |
| WO2019071817A1 (en) * | 2017-10-12 | 2019-04-18 | 惠科股份有限公司 | Display device |
| CN109144334A (en) * | 2018-07-18 | 2019-01-04 | 青岛海信医疗设备股份有限公司 | A kind of capacitance touching control formula display device and display parameters detection method |
| CN109144334B (en) * | 2018-07-18 | 2021-11-16 | 青岛海信医疗设备股份有限公司 | Capacitive touch display device and display parameter detection method |
| CN109256040A (en) * | 2018-10-26 | 2019-01-22 | 厦门天马微电子有限公司 | Display panel and display device |
| CN113838838A (en) * | 2020-06-24 | 2021-12-24 | 群创光电股份有限公司 | Display device |
| CN112349207A (en) * | 2020-11-10 | 2021-02-09 | 京东方科技集团股份有限公司 | Backlight module and display panel |
| WO2023226644A1 (en) * | 2022-05-24 | 2023-11-30 | 京东方科技集团股份有限公司 | Electronic device protection structure, circuit board, display module and manufacturing method |
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| CN101765289B (en) | 2012-09-26 |
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Granted publication date: 20120926 Termination date: 20201230 |