CN202523030U - Touch panel - Google Patents

Touch panel Download PDF

Info

Publication number
CN202523030U
CN202523030U CN2012200722767U CN201220072276U CN202523030U CN 202523030 U CN202523030 U CN 202523030U CN 2012200722767 U CN2012200722767 U CN 2012200722767U CN 201220072276 U CN201220072276 U CN 201220072276U CN 202523030 U CN202523030 U CN 202523030U
Authority
CN
China
Prior art keywords
circuit
contact panel
sensing
protection circuit
lead
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN2012200722767U
Other languages
Chinese (zh)
Inventor
谢璨名
刘纯汉
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
CPT Video Wujiang Co Ltd
Chunghwa Picture Tubes Ltd
Original Assignee
CPT Video Wujiang Co Ltd
Chunghwa Picture Tubes Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by CPT Video Wujiang Co Ltd, Chunghwa Picture Tubes Ltd filed Critical CPT Video Wujiang Co Ltd
Priority to CN2012200722767U priority Critical patent/CN202523030U/en
Application granted granted Critical
Publication of CN202523030U publication Critical patent/CN202523030U/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Images

Abstract

The utility model discloses a touch panel which comprises a substrate, a touch component array, a lead, an electrostatic discharge line, a circuit board, a sensing circuit, a protection line and an insulating layer, wherein the substrate is provided with an active area and a peripheral area; the peripheral area is provided with a jointing area; and the touch component array is located in the active area and has a sensing series. The lead is located in the peripheral area and electrically connected with one end of one corresponding sensing series and extends to the jointing area; the electrostatic discharge line is located in the peripheral area and surrounds the touch component array; the circuit board is jointed with the substrate in the jointing area; the sensing circuit is located on the circuit board and electrically connected with the lead in the jointing area; the protection line is located on the circuit board and electrically connected with the electrostatic discharge line in the jointing area and connected to the grounding voltage; and the insulating layer is located on the circuit board, covers the sensing circuit and the protection line and exposes at least one opening of the protection line. Due to the technical scheme, the touch panel disclosed by the utility model has better anti-static ability.

Description

Contact panel
Technical field
The utility model relates to a kind of panel, and particularly relevant for a kind of contact panel.
Background technology
Contact panel is divided into electric resistance touch-control panel, capacitance type touch-control panel, optical touch control panel, sound wave type contact panel and electromagnetic touch-control panel haply according to the difference of its sensing mode.In addition, according to the configuration relation of contact panel and display panel, contact panel can be divided into two kinds of external labeling type and integrated/in-building types (on-cell/in-cell) again haply.The contact panel of external labeling type is normally made touch control component earlier to form contact panel on a substrate, this contact panel is attached on the outside surface of display panel again.Integrated contact panel then is directly touch control component to be integrated in display panel inside.
No matter be external labeling type contact panel or integrated/in-building type contact panel, on making, all faced the rate of good that static discharge caused reduction problem with using.For instance, as user during with the finger touches contact panel, the static discharge phenomenon possibly produce, and then causes touch control line to be destroyed.Particularly, when the static discharge energy was excessive, static charge was easy to directly get into controller or electrode in the contact panel through the contact panel surface, and then the assembly or the electrode of controller inside damaged.
In sum, because the static discharge phenomenon can't avoid in processing procedure and in the use fully, the electro-static discharge protective ability that therefore how to promote contact panel is one of important issue of facing of deviser.
Summary of the invention
The utility model provides a kind of contact panel, has antistatic effect preferably.
The utility model proposes a kind of contact panel, and it comprises that substrate, touch control component array, a plurality of leads, static discharge circuit, circuit board, sensing circuit, first protection circuit and the insulation course.Substrate has active region and surrounding zone, and has the bonding land in the surrounding zone.The touch control component array is arranged at the active region of substrate, and the touch control component array comprises a plurality of sensing serial.Lead-in wire is arranged in the surrounding zone, wherein the end electric connection of each lead-in wire and corresponding one of them sensing serial and extend to the bonding land.Static discharges that circuit is positioned at the surrounding zone and around the touch control component array.Circuit board in the bonding land with substrates.Sensing circuit is disposed on the circuit board, in the bonding land, electrically connects with lead-in wire.The first protection circuit is disposed on the circuit board and with sensing circuit and is electrically insulated, and it discharges the circuit electric connection with static in the bonding land, and is connected to first ground voltage.Insulation course is configured on the circuit board, covers the sensing circuit and the first protection circuit, has at least one opening that exposes the first protection circuit.
In an embodiment of the utility model, also comprise conductive pad, conductive pad is disposed in the opening, electrically connects with the first protection circuit.
In an embodiment of the utility model, the width of the above-mentioned opening live width with the first protection circuit in fact is identical.
In an embodiment of the utility model, above-mentioned sensing circuit is connected to second ground voltage, and second ground voltage is different with first ground voltage.
In an embodiment of the utility model, the second above-mentioned ground voltage does not electrically connect first ground voltage.
In an embodiment of the utility model, the first above-mentioned protection circuit more is connected to system voltage.
In an embodiment of the utility model, above-mentioned static discharges circuit and comprises loop line.
In an embodiment of the utility model, the two ends of above-mentioned loop line extend to the bonding land of substrate.
In an embodiment of the utility model, the first above-mentioned protection circuit comprises loop line, around sensing circuit.
In an embodiment of the utility model, more comprise the mainboard and the second protection circuit, the second protection circuit is disposed on the mainboard and with the first protection circuit and electrically connects, and wherein the first protection circuit is connected to first ground voltage via the second protection circuit.
In an embodiment of the utility model, the first above-mentioned ground voltage is a system earth voltage.
In an embodiment of the utility model, the first above-mentioned protection circuit more is connected to system voltage via the second protection circuit.
In an embodiment of the utility model, more comprise zener diode, wherein zener diode is coupled between system voltage and the 3rd ground voltage.
In an embodiment of the utility model, above-mentioned mainboard has screw hole, and the second protection circuit is connected with screw hole, and wherein the first protection circuit is connected to first ground voltage via the second protection circuit and screw hole.
In an embodiment of the utility model, above-mentioned touch control component array comprises a plurality of first sensing serial lines and a plurality of second sensing serial.First sensing serial is disposed on the substrate, and first sensing serial is parallel.Second sensing serial is disposed on the substrate, and second sensing serial is parallel, and the bearing of trend of first sensing serial intersects at the bearing of trend of second sensing serial.
In an embodiment of the utility model, above-mentioned lead-in wire comprises many first lead-in wires and many second lead-in wires.Many first lead-line configuration are on substrate, and wherein each first lead-in wire electrically connects and extend to the bonding land with an end of corresponding one of them first sensing serial, and first sensing serial is via first lead-in wire and sensing circuit electric connection.Many second lead-line configuration are on substrate, and wherein each second lead-in wire electrically connects and extend to the bonding land with an end of corresponding one of them second sensing serial, and second sensing serial is via second lead-in wire and sensing circuit electric connection.
In an embodiment of the utility model, each above-mentioned first sensing serial comprises a plurality of first sensor pads and a plurality of first bridging line, and first bridging line connects first sensor pad.
In an embodiment of the utility model, above-mentioned static discharges circuit and first bridging line has same material.
In an embodiment of the utility model, above-mentioned static discharges circuit and first sensor pad has same material.
In an embodiment of the utility model, each above-mentioned second sensing serial comprises a plurality of second sensor pads and a plurality of second bridging line, and second bridging line connects second sensor pad.
In an embodiment of the utility model, above-mentioned static discharges circuit and second bridging line has same material.
In an embodiment of the utility model, above-mentioned static discharges circuit and second sensor pad has same material.Based on above-mentioned, in the contact panel of the utility model, static discharges circuit around the touch control component array, and is connected to ground voltage via the protection circuit on the circuit board.Particularly, owing to protect the opening exposure of circuit via insulation course, so electrostatic energy discharges circuit through static and the protection circuit promptly is discharged to ground voltage, to avoid the assembly in the electrostatic breakdown contact panel.Thus, contact panel has display quality and long serviceable life preferably.
Owing to adopt technique scheme, the utlity model has antistatic effect preferably.
For letting the above-mentioned feature and advantage of the utility model can be more obviously understandable, hereinafter is special lifts embodiment, and cooperates appended graphic elaborating as follows.
Description of drawings:
Figure 1A is according to looking synoptic diagram on the contact panel of an embodiment of the utility model.
Figure 1B is the diagrammatic cross-section along the I-I ' of Figure 1A.
Fig. 2 be the utility model an embodiment contact panel on look synoptic diagram.
Fig. 3 be the utility model an embodiment contact panel on look synoptic diagram.
Fig. 4 be the utility model an embodiment contact panel on look synoptic diagram.
Fig. 5 be the utility model an embodiment contact panel on look synoptic diagram.
Fig. 6 be the utility model an embodiment contact panel on look synoptic diagram.
Among the figure:
10: contact panel;
100: substrate;
102: active region;
104: the surrounding zone;
106: the bonding land;
110: the touch control component array;
120: the first sensing serial;
122: the first sensor pads;
Bridging line in 124: the first;
126: the first lead-in wires;
130: the second sensing serial;
132: the second sensor pads;
Bridging line in 134: the second;
136: the second lead-in wires;
140: static discharges circuit;
150: circuit board;
152: sensing circuit;
154: the first protection circuits;
156,174: diode;
160: insulation course;
162: opening;
164: conductive pad;
170: mainboard;
172: the second protection circuits;
176: zener diode;
178: screw hole;
A-F: path;
D1: first direction;
D2: second direction;
VDD: system voltage;
VGND: first ground voltage;
V ' GND: the 3rd ground voltage;
Embodiment:
Figure 1A is according to looking synoptic diagram on the contact panel of the embodiment of the utility model, and Figure 1B is the diagrammatic cross-section along the I-I ' of Figure 1A.Please be simultaneously with reference to Figure 1A and Figure 1B, the contact panel 10 of present embodiment comprises that substrate 100, touch control component array 110, many first, second lead-in wires 126,136, static discharge circuit 140, circuit board 150, sensing circuit 152, first protection circuit 154 and the insulation course 160.
Substrate 100 has active region 102 and surrounding zone 104, and has bonding land 106 in the surrounding zone 104.In the present embodiment, substrate 100 for example is hard substrate or flexible base plate.Surrounding zone 104 be positioned at active region 102 around.Bonding land 106 is arranged in surrounding zone 104, so bonding land 106 is the wherein side edge that are positioned at active region 102.
Touch control component array 110 is arranged in the active region 102 of substrate 100, and touch control component array 110 for example is to comprise a plurality of sensing serial, and sensing serial comprises a plurality of first sensing serial 120 and a plurality of second sensing serial 130.In the present embodiment, first sensing serial 120 is disposed on the substrate 100, and first sensing serial 120 is parallel.First sensing serial 120 for example is to comprise that a plurality of first sensor pads 122 and a plurality of first bridging line, 124, the first bridging lines 124 connect first sensor pad 122.In the present embodiment, the material of first sensor pad 122 for example is to comprise transparent conductive oxide, and the material of first bridging line 124 for example is to comprise metal.On the practice, metal comprises aluminium, copper, molybdenum, molybdenum aluminium alloy, titanium, titanium-aluminium alloy, silver, silver palladium alloy or combinations thereof, and transparent conductive oxide comprises indium zinc oxide, tin indium oxide or combinations thereof.
In the present embodiment, second sensing serial 130 is disposed on the substrate 100, and second sensing serial 130 is parallel, and the bearing of trend of first sensing serial 120 intersects at the bearing of trend of second sensing serial 130.First sensing serial 120 for example is to extend along first direction D1, and second sensing serial 130 for example is that first sensing serial 120 and second sensing serial 130 are electrically insulated each other along second direction D2 extension.In the present embodiment, first direction D1 for example is an X-direction, and second direction D2 for example is a Y direction.In the present embodiment, second sensing serial 130 for example is to comprise that a plurality of second sensor pads 132 and a plurality of second bridging line, 134, the second bridging lines 134 connect second sensor pad 132.In the present embodiment, the material of second sensor pad 132 for example is identical with the material of second bridging line 134, such as transparent conductive oxide.
First, second lead-in wire 126,136 is arranged in surrounding zone 104, and wherein each first, second lead-in wire 126,136 for example is to electrically connect and extend to bonding land 106 with an end of one of them corresponding first, second sensing serial 120,130.Say that at length first, second lead-in wire 126,136 for example is to comprise many first lead-in wires 126 and many second lead-in wires 136.First lead-in wire 126 is disposed on the substrate 100, wherein the end electric connection of each first lead-in wire 126 and corresponding one of them first sensing serial 120 and extend to bonding land 106.Thus, first sensing serial 120 electrically connects via first lead-in wire 126 and sensing circuit 152.Second lead-in wire 136 is disposed on the substrate 100, wherein the end electric connection of each second lead-in wire 136 and corresponding one of them second sensing serial 130 and extend to bonding land 106.Thus, second sensing serial 130 electrically connects via second lead-in wire 136 and sensing circuit 152.
Static release circuit 140 is positioned at surrounding zone 104 and around touch control component array 110, wherein static release circuit 140 is electrically insulated with touch control component array 110.In the present embodiment, it for example is to comprise a loop line that static discharges circuit 140, and wherein the two ends of loop line extend to the bonding land 106 of substrate 100.In general, static discharges circuit 140 and forms by having low-impedance conductive material, and static release circuit 140 has suitable live width usually, so the impedance meeting of static release circuit 140 is less than the impedance of touch control component array 110.In the present embodiment; Can discharge the circuit 140 and first bridging line 124 by make static with light shield; Therefore static release circuit 140 can have identical materials with first bridging line 124, such as aluminium, copper, molybdenum, molybdenum aluminium alloy, titanium, titanium-aluminium alloy, silver, silver palladium alloy or combinations thereof.Certainly, in other embodiments, static discharges circuit 140 also can be made with first, second sensor pad 122,132 or second bridging line 134.Yet; Usually has bigger impedance owing to form the transparent conductive oxide of first, second sensor pad 122,132; And static discharges circuit 140 and is positioned at non-display area in fact, therefore is preferably to use to have low-impedance opaque metal material and make static and discharge circuit 140.
Circuit board 150 engages with substrate 100 in bonding land 106.In the present embodiment, circuit board 150 for example is flexible circuit board (FPC).Sensing circuit 152 is disposed on the circuit board 150, in bonding land 106, electrically connects with first, second lead-in wire 126,136, and then electrically connects with touch control component array 110.What must one carry is because sensing circuit 152 is the common knowledge in the affiliated field with the mode that first, second lead-in wire 126,136 electrically connects in bonding land 106, therefore in Figure 1A, not show both entity connected modes.
The first protection circuit 154 is disposed on the circuit board 150 and with sensing circuit 152 and is electrically insulated.The first protection circuit 154 discharges circuit 140 with static and electrically connects in bonding land 106, and is connected to the first ground voltage VGND.Say that at length it for example is plan pin (dummy pin) (not illustrating) and 154 electric connections of the first protection circuit through circuit board 150 that static discharges circuit 140.In the present embodiment, sensing circuit 152 for example is to be connected to second ground voltage, and second ground voltage is different with the first ground voltage VGND.Second ground voltage for example is a system earth voltage.In one embodiment, first ground voltage and second ground voltage do not electrically connect.In the present embodiment, the first protection circuit 154 for example is to comprise loop line, around sensing circuit 152.The material of the first protection circuit 154 for example is the low-impedance metal material of tool, such as copper.
Insulation course 160 is disposed on the circuit board 150, covers the sensing circuit 152 and the first protection circuit 154, has at least one opening 162 that exposes the first protection circuit 154.In the present embodiment, insulation course 160 for example is to have a plurality of openings 162, and it exposes the first protection circuit 154 that is positioned at relative both sides respectively.In general, insulation course 160 can be the overlayer of circuit board 150 itself or the insulation course of extra formation, the material of insulation course 160 for example be silicone (SR), polyimide (Polyimide, PI) or other materials that are fit to.Wherein, the width of opening 162 for example be in fact with first the protection circuit 154 live width identical or less than first the protection circuit 154 live width.Setting that it should be noted that opening 162 normally is produced in the insulation course 160 in advance, rather than the position of just destroying according to static discharge when electrostatic discharge problem takes place forms opening 162.Moreover; (do not illustrate) in one embodiment; Circuit board 150 also can have double panel structure, and wherein the first protection circuit 154 is formed between first substrate and second substrate, and insulation course 160 is formed on second substrate; This moment, opening was formed in the insulation course 160 and second substrate, to expose the first protection circuit 154.In other words, the utility model can be applicable in the various circuit boards.
In the present embodiment, more dispose conductive pad 164 in the opening 162, conductive pad 164 electrically connects via the opening 162 and the first protection circuit 154.The material of conductive pad 164 for example is the low-impedance metal material of tool, such as copper.In the present embodiment, static discharges circuit 140, the first protection circuit 154 and conductive pad 164 and constitutes the Low ESR discharge path, and static can promptly be discharged to the first ground voltage VGND through this Low ESR discharge path.Special one what carry is that though be to be example so that conductive pad 164 to be set in opening 162 in the present embodiment, the utility model is not limited thereto.In other words; In other embodiments; Also can omit the setting of conductive pad 164; The first protection circuit 154 is exposed via opening 162, and so the static release circuit 140 and the first protection circuit 154 also can constitute the Low ESR discharge path, make static promptly be discharged to the first ground voltage VGND through this Low ESR discharge path.
In the present embodiment, static discharges circuit 140 around touch control component array 110, and is connected to the first ground voltage VGND via the protection of first on the circuit board 150 circuit 154.Thus, the external static electrification discharge charge can discharge circuit 140 and the first protection circuit 154 via static and effectively discharges and conduct to ground connection place.In other words; Static discharges circuit 140 and the first protection circuit 154 forms the Low ESR discharge path; Thus, can avoid static to flow into touch control component array 110 and damage member such as first, second sensor pad 122,132, make contact panel 10 have sensing function and display quality preferably.Particularly, because the first protection circuit 154 exposes around sensing circuit 152 and via the opening 162 of insulation course 160, therefore can further avoid sensing circuit 152 to receive electrostatic breakdown, and then promote the display quality and the serviceable life of contact panel 10.
In order further to promote the discharge effect that static discharges the circuit 140 and the first protection circuit 154, can design to the earth terminal of the first protection circuit 154.For instance, as shown in Figure 2 in one embodiment, the first protection circuit 154 is connected, further to be connected to system voltage VDD with diode 156.Thus, when the electrostatic belt negative electricity, static can be discharged to the first ground voltage VGND through path A, and when electrostatic belt positive electricity, static can be discharged to system voltage VDD through path B, effectively positive charge and negative charge are discharged.
In the above embodiments, be static to be directed at the first ground voltage VGND of circuit board 150, but the utility model is not limited thereto via the first protection circuit 154.In one embodiment; As shown in Figure 3; Display panel 10 for example is more to comprise the mainboard 170 and the second protection circuit 172; The second protection circuit 172 is disposed on the mainboard 170 and with the first protection circuit 154 and electrically connects, and wherein the first protection circuit 154 is connected to the first ground voltage VGND via the second protection circuit 172.In the present embodiment, via the second protection circuit 172 static is directed at the ground voltage of mainboard 170, wherein mainboard 170 usually can be by being connected the earth to reach ground connection with member such as chase.
In one embodiment, as shown in Figure 4, the second protection circuit 172 is connected, further to be connected to system voltage VDD with diode 174.Thus, when the electrostatic belt negative electricity, static can be discharged to the first ground voltage VGND through path C, and when electrostatic belt positive electricity, static can be discharged to system voltage VDD through path D, effectively positive charge and negative charge are discharged.In addition, as shown in Figure 5, the second protection circuit 172 is connected with diode 174 and zener diode 176, wherein zener diode 176 is coupled between system voltage VDD and the 3rd ground voltage V ' GND.Thus, static can be led off to ground voltage through zener diode 176.Say that at length when the electrostatic belt negative electricity, static can be discharged to the first ground voltage VGND through path E, when electrostatic belt positive electricity, static can be discharged to the 3rd ground voltage V ' GND through path F, effectively positive charge and negative charge are discharged.On the other hand, as shown in Figure 6, the second protection circuit 172 also can be connected with the screw hole 178 of mainboard 170, and wherein the first protection circuit 154 is connected to the first ground voltage VGND via the second protection circuit 172 with screw hole 178.In the present embodiment, static release circuit 140 is by the system authority ground connection such as screw hole 178 such as mainboard 170.
In sum, in the contact panel of the utility model, static discharges circuit around the touch control component array, and is connected to ground voltage via the protection circuit on the circuit board.Thus, the external static electrification discharge charge can discharge circuit via static and effectively discharges with the protection circuit and conduct to ground connection place.In other words, static discharges circuit and forms the Low ESR discharge path with the protection circuit, thus, can avoid static to flow into the touch control component array and damages member such as sensor pad, makes contact panel have preferable sensing function and display quality.Particularly,, therefore can further avoid sensing circuit to receive electrostatic breakdown, and then promote the display quality and the serviceable life of contact panel because the protection circuit exposes around sensing circuit and via the opening of insulation course.
On the other hand, can static be directed at the ground voltage of mainboard by the protection circuit on the circuit board further is connected to the protection circuit on the mainboard.In addition, can make positive charge and negative charge can be discharged to system voltage and ground voltage respectively, or further make positive charge be discharged to ground voltage by the protection circuit is connected with diode through zener diode.
Moreover; Because discharging circuit, can make static with other members of sensor pad, bridging line or the touch control component array of sensing serial; Just use with light shield and form static release circuit, therefore can significantly not increase the cost of manufacture and the Production Time of contact panel in fact.
Though the utility model with embodiment openly as above; Right its is not in order to limit the utility model; The personnel that have common knowledge in the technical field under any; In spirit that does not break away from the utility model and scope,, include in the claim of the utility model when doing a little change and retouching.

Claims (21)

1. a contact panel is characterized in that, comprising:
One substrate has an active region and a surrounding zone, and has a bonding land in this surrounding zone;
One touch control component array is arranged at this active region of this substrate, and this touch control component array comprises a plurality of sensing serial;
A plurality of leads is arranged in this surrounding zone, wherein the end electric connection of each lead-in wire and corresponding one of them sensing serial and extend to this bonding land;
One static discharges circuit, is positioned at this surrounding zone and around this touch control component array;
One circuit board, in this bonding land with this substrates;
One sensing circuit is disposed on this circuit board, in this bonding land, electrically connects with those lead-in wires;
One first protects circuit, is disposed on this circuit board and with this sensing circuit to be electrically insulated, and it discharges circuit electric connection with this static in this bonding land, and wherein this first protection circuit is connected to one first ground voltage; And
One insulation course is disposed on this circuit board, covers this sensing circuit and this first protection circuit, has at least one opening that exposes this first protection circuit.
2. contact panel as claimed in claim 1 is characterized in that, also comprises a conductive pad, and this conductive pad is disposed in the said opening, electrically connects with the said first protection circuit.
3. contact panel as claimed in claim 1 is characterized in that, the width of the wherein said opening live width with the said first protection circuit in fact is identical.
4. contact panel as claimed in claim 1 is characterized in that, wherein said sensing circuit is connected to one second ground voltage, and said second ground voltage is different with said first ground voltage.
5. contact panel as claimed in claim 1 is characterized in that, the wherein said first protection circuit more is connected to a system voltage.
6. contact panel as claimed in claim 1 is characterized in that, wherein said static discharges circuit and comprises a loop line.
7. contact panel as claimed in claim 6 is characterized in that, the two ends of wherein said loop line extend to this bonding land of this substrate.
8. contact panel as claimed in claim 1 is characterized in that, the wherein said first protection circuit comprises a loop line, around said sensing circuit.
9. contact panel as claimed in claim 1; It is characterized in that; More comprise a mainboard and one second protection circuit; This second protection circuit is disposed on this mainboard and with the said first protection circuit and electrically connects, and the wherein said first protection circuit is connected to said first ground voltage via the said second protection circuit.
10. contact panel as claimed in claim 9 is characterized in that, wherein said first ground voltage is a system earth voltage.
11. contact panel plate as claimed in claim 9 is characterized in that, the wherein said first protection circuit more is connected to a system voltage via the said second protection circuit.
12. contact panel as claimed in claim 11 is characterized in that, more comprises a zener diode, wherein this zener diode is coupled between said system voltage and one the 3rd ground voltage.
13. contact panel as claimed in claim 9; It is characterized in that; Wherein said mainboard has a screw hole, and the said second protection circuit is connected with said screw hole, and the wherein said first protection circuit is connected to said first ground voltage via said second protection circuit and said screw hole.
14. contact panel as claimed in claim 1 is characterized in that, wherein said sensing serial comprises:
A plurality of first sensing serial are disposed on the said substrate, and said first sensing serial is parallel; And
A plurality of second sensing serial are disposed on the said substrate, and said second sensing serial is parallel, and the bearing of trend of said first sensing serial intersects at the bearing of trend of said second sensing serial.
15. contact panel as claimed in claim 14 is characterized in that, wherein said lead-in wire comprises:
Many first lead-in wires are disposed on this substrate, and wherein each first lead-in wire electrically connects and extend to this bonding land with an end of corresponding one of them first sensing serial, and said first sensing serial is via said first lead-in wire and the electric connection of this sensing circuit; And
Many second lead-in wires are disposed on this substrate, and wherein each second lead-in wire electrically connects and extend to this bonding land with an end of corresponding one of them second sensing serial, and said second sensing serial is via said second lead-in wire and the electric connection of this sensing circuit.
16. contact panel as claimed in claim 14 is characterized in that, wherein each said first sensing serial comprises a plurality of first sensor pads and a plurality of first bridging line, and said first bridging line connects said first sensor pad.
17. contact panel as claimed in claim 16 is characterized in that, wherein said static discharges circuit and said first bridging line has same material.
18. contact panel as claimed in claim 16 is characterized in that, wherein said static discharges circuit and said first sensor pad has same material.
19. contact panel as claimed in claim 14 is characterized in that, wherein each said second sensing serial comprises a plurality of second sensor pads and a plurality of second bridging line, and said second bridging line connects said second sensor pad.
20. contact panel as claimed in claim 19 is characterized in that, wherein said static discharges circuit and said second bridging line has same material.
21. contact panel as claimed in claim 19 is characterized in that, wherein said static discharges circuit and said second sensor pad has same material.
CN2012200722767U 2012-03-01 2012-03-01 Touch panel Expired - Fee Related CN202523030U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2012200722767U CN202523030U (en) 2012-03-01 2012-03-01 Touch panel

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2012200722767U CN202523030U (en) 2012-03-01 2012-03-01 Touch panel

Publications (1)

Publication Number Publication Date
CN202523030U true CN202523030U (en) 2012-11-07

Family

ID=47105971

Family Applications (1)

Application Number Title Priority Date Filing Date
CN2012200722767U Expired - Fee Related CN202523030U (en) 2012-03-01 2012-03-01 Touch panel

Country Status (1)

Country Link
CN (1) CN202523030U (en)

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103207721A (en) * 2013-04-03 2013-07-17 友达光电(苏州)有限公司 Touch cell array and touch panel with same
CN103226404A (en) * 2012-11-30 2013-07-31 深圳市骏达光电有限公司 Touch screen functional block, touch screen and electronic equipment
CN103941895A (en) * 2013-01-18 2014-07-23 和鑫光电股份有限公司 Touch panel
CN103984430A (en) * 2013-02-08 2014-08-13 胜华科技股份有限公司 Touch panel with electrostatic protection
CN104063080A (en) * 2013-03-21 2014-09-24 柏腾科技股份有限公司 Power-saving touchpad device
CN104298380A (en) * 2013-07-16 2015-01-21 宏达国际电子股份有限公司 Touch control panel
CN104866127A (en) * 2014-02-25 2015-08-26 宸鸿科技(厦门)有限公司 Anti-static touch panel
CN105988608A (en) * 2014-11-20 2016-10-05 宸鸿科技(厦门)有限公司 Electrostatic protection touch control panel
CN106527808A (en) * 2016-11-15 2017-03-22 业成科技(成都)有限公司 Touch panel structure
CN109426384A (en) * 2017-08-31 2019-03-05 宏碁股份有限公司 Touch panel and touch panel detection method
CN109753175A (en) * 2017-11-07 2019-05-14 南昌欧菲显示科技有限公司 Inductive module and preparation method

Cited By (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103226404A (en) * 2012-11-30 2013-07-31 深圳市骏达光电有限公司 Touch screen functional block, touch screen and electronic equipment
CN103941895A (en) * 2013-01-18 2014-07-23 和鑫光电股份有限公司 Touch panel
CN103941895B (en) * 2013-01-18 2017-09-08 和鑫光电股份有限公司 Contact panel
CN103984430A (en) * 2013-02-08 2014-08-13 胜华科技股份有限公司 Touch panel with electrostatic protection
CN104063080A (en) * 2013-03-21 2014-09-24 柏腾科技股份有限公司 Power-saving touchpad device
CN103207721B (en) * 2013-04-03 2016-02-03 友达光电(苏州)有限公司 Touch cell array and comprise its contact panel
CN103207721A (en) * 2013-04-03 2013-07-17 友达光电(苏州)有限公司 Touch cell array and touch panel with same
CN104298380B (en) * 2013-07-16 2017-05-24 宏达国际电子股份有限公司 Touch control panel
CN104298380A (en) * 2013-07-16 2015-01-21 宏达国际电子股份有限公司 Touch control panel
CN104866127A (en) * 2014-02-25 2015-08-26 宸鸿科技(厦门)有限公司 Anti-static touch panel
CN105988608A (en) * 2014-11-20 2016-10-05 宸鸿科技(厦门)有限公司 Electrostatic protection touch control panel
CN105988608B (en) * 2014-11-20 2019-08-13 宸鸿科技(厦门)有限公司 Electrostatic protection touch panel
CN106527808A (en) * 2016-11-15 2017-03-22 业成科技(成都)有限公司 Touch panel structure
CN109426384A (en) * 2017-08-31 2019-03-05 宏碁股份有限公司 Touch panel and touch panel detection method
CN109426384B (en) * 2017-08-31 2021-06-04 宏碁股份有限公司 Touch panel and touch panel detection method
CN109753175A (en) * 2017-11-07 2019-05-14 南昌欧菲显示科技有限公司 Inductive module and preparation method

Similar Documents

Publication Publication Date Title
CN202523030U (en) Touch panel
JP5957132B1 (en) Touch panel
US9552101B2 (en) Touch screen assembly
US10175813B2 (en) Touch panel board with guard portion and flexible wiring board connecting guard portion to ground wire
CN103092397B (en) The contact panel of tool electrostatic discharge (ESD) protection and use its electronic installation
CN104375689A (en) touch control display device
US10359890B2 (en) Touch screen, touch panel, and display apparatus
JP2017044829A (en) Liquid crystal display device
US20140092023A1 (en) Touch display module and handheld electronic apparatus
CN103379723A (en) Electronic device
CN107463293B (en) Touch panel
CN112506371A (en) Touch substrate and touch display device
TWM484749U (en) Touch panel and touch display panel
US20130069892A1 (en) Touch-sensitive device and touch-sensitive display device
CN106354320B (en) Touch screen, preparation method thereof and touch display device
TWI566151B (en) Touch panel and electronic device
TW201535172A (en) Touch panel and touch display panel
CN106886325B (en) Touch panel and electronic device
CN107957808B (en) Touch panel, interface circuit, and information processing apparatus
CN106445218B (en) Touch control panel and circuit board thereof
KR101602332B1 (en) Liquid crystal display device and method of fabricating the same
CN105873342B (en) Display device
JP3138344B2 (en) Liquid crystal display
CN114550583B (en) Display module, touch display module and electronic equipment
JP6529866B2 (en) Capacitive sensor, touch panel and electronic device

Legal Events

Date Code Title Description
C14 Grant of patent or utility model
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20121107

Termination date: 20170301

CF01 Termination of patent right due to non-payment of annual fee