CN108459765A - The circuit protection structure of touch control display - Google Patents
The circuit protection structure of touch control display Download PDFInfo
- Publication number
- CN108459765A CN108459765A CN201810171195.4A CN201810171195A CN108459765A CN 108459765 A CN108459765 A CN 108459765A CN 201810171195 A CN201810171195 A CN 201810171195A CN 108459765 A CN108459765 A CN 108459765A
- Authority
- CN
- China
- Prior art keywords
- floating wiring
- touch control
- control display
- circuit protection
- protection structure
- 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.)
- Granted
Links
Classifications
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
- G06F3/041—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F2203/00—Indexing scheme relating to G06F3/00 - G06F3/048
- G06F2203/041—Indexing scheme relating to G06F3/041 - G06F3/045
- G06F2203/04107—Shielding in digitiser, i.e. guard or shielding arrangements, mostly for capacitive touchscreens, e.g. driven shields, driven grounds
Abstract
System of the present invention is a kind of circuit protection structure of touch control display, it includes a substrate, substrate is equipped with an at least conductive net layer, conductive net layer both sides extend outward plural peripheral conductor wire more respectively, and on substrate and on the outside of conductive net layer and peripheral conductor wire, it is further provided at least one ground wire for being electrically connected at ground terminal, and at least one floating wiring is set on substrate, and between the peripheral conductor wire of plural number and ground wire.The setting of wherein floating wiring can reduce the voltage difference between peripheral conductor wire and ground wire, the situation of migration (migration) is generated to avoid floating wiring, lead to that circuit goes to pot and generates short circuit, therefore by the setting of floating wiring, the service life of the circuit protection structure of touch control display can be effectively improved.
Description
Technical field
In relation to a kind of technology of protection touch control display circuit, particularly relating to one kind can prevent from migrating for system of the present invention
(migration) the circuit protection structure of touch control display.
Background technology
Touch screen is that one kind can contact screen such as finger or glue nib and other items, make on screen according to contact
Haptic feedback system can drive various linked sets according to the program of preprogramming, to replace mechanical push button panel in the past,
Touch screen can more show audio-visual picture on the button being pressed simultaneously, to produce lively effect.
Touch screen can be divided into resistance-type, condenser type or infrared-type etc., wherein the touch-control firefly of resistance-type according to principle difference
Curtain forms an electric field between tying up to two conductive layers, upper and lower conductive layers can be allowed to contact when user presses screen, cause short circuit
Change with resistance, to become by the change for measuring voltage, calculates user's contacting points position.
Capacitance touching control screen then utilizes the principle of capacitance storage charge, since human body itself charges, when user's finger connects
When touching screen, the capacitance of capacitance touching control screen panel can be influenced, can be become at this time according to the electric current that four corners are caused
Change difference, extrapolates the current position of user's finger.
Infrared touch control screen is then the opposite both sides of the glass panel on touch screen surface layer, installs multiple infrared ray hairs
Emitter and receiver, transmitter emits infrared ray when running, to form infrared ray grid staggeredly, when user touches glass
When panel, finger can interdict infrared ray grid, therefore by the position interdicted, it can be seen that the touch points of user's finger.
But either above-mentioned which type of touch screen, in order to be connected to each transistor or pixel, touch-control in touch screen
All include carrying out conductive communication equipped with a conductive layer in screen.Traditional conductive layer is mostly with tin indium oxide (ITO) film etc.
Conductive material is made, but has gradually been substituted using metal grill (Metal Mesh) at present, since metal grill is by pole
Thin metal wire intersects composition, and metal grill impedance is less than 10 ohm, pliability height, and manufacturing cost is also come than tin indium oxide
Low, transparency is also good compared with tin indium oxide, is advantageously applied to large-sized panel such as laptop and desktop computer, therefore
Metal grill (Metal Mesh) is gradually using substituting tin indium oxide (ITO), the conductive layer as touch screen.
But if metal grill is under high temperature and the environment of high humility, when metal grill positive and negative anodes are powered, because of high humidity
And the environment of high humidity, the positive electron of metal grill can run toward cathode due to law of conservation of charge, make to be connected with positive electricity metal grill
Conductor wire can take away metal ion due to the drift of positive electron, and the state in turn resulting in migration (migration) occurs, and makes
At situations such as line shorts, the opposite service life for reducing touch screen.
In view of this, the present invention is directed to the missing of above-mentioned known techniques then, a kind of circuit protection of touch control display is proposed
Framework, the problems such as effectively to overcome this above-mentioned.
Invention content
The main purpose of the present invention is providing a kind of circuit protection structure of touch control display, can reduce ground wire with it is outer
The case where enclosing the voltage difference between conductor wire, migration (migration) is generated to avoid peripheral conductor wire thereby reduces periphery and leads
Situations such as short circuit or consume, occurs for electric wire, effectively improves the service life of touch screen.
Another object of the present invention is providing a kind of circuit protection structure of touch control display, simple in structure, can be effective
It is cost declining and production time, opposite that production efficiency can be improved, help to promote economic benefit.
For the purpose for reaching above-mentioned, the present invention provides a kind of circuit protection structure of touch control display comprising a substrate can
For transparent substrate, and substrate is equipped with an at least conductive net layer, at least one ground wire, and at least one floating wiring, wherein
Conductive net layer extends outward plural peripheral conductor wire respectively, and then ring is located at conductive net layer to ground wire and plural periphery is led
On the outside of electric wire, and it is electrically connected a ground terminal, floating wiring is then located between the peripheral conductor wire of plural number and ground wire, to reduce
Voltage difference between peripheral conductor wire and ground wire avoids peripheral conductor wire from generating the case where migrating (migration).
It is wherein provided with the floating wiring of plural number between the peripheral conductor wire of plural number and ground wire, the floating wiring of plural number is more mutual
It is disposed side by side on substrate.
Wherein floating wiring is further provided with an at least breakpoint, and multistage is divided into floating wiring.
Wherein floating wiring at least 2 microns (μm) at a distance from ground wire, floating wiring at a distance from peripheral conductor wire also
It is at least 2 microns (μm).
Wherein floating wiring, ground wire and peripheral conductor wire may respectively be metal wire, indium tin oxide (Indium tin
Oxide, ITO) line or indium-zinc oxide (Indium zinc oxide, IZO) line.Conductive net layer is then for metal grill
(metal mesh)。
The film resistor (sheet resistance) of wherein floating wiring is smaller than 150 ohm (Ω).
It is beneath by specific embodiment elaborate, when be easier to understand the purpose of the present invention, technology contents, feature and its
The effect of reached.
Description of the drawings
Fig. 1 systems are the stereogram of first embodiment of the invention.
Fig. 2 systems are the vertical view of first embodiment of the invention.
Fig. 3 systems are the vertical view of second embodiment of the invention.
Fig. 4 systems are the vertical view of third embodiment of the invention.
Fig. 5 systems are the vertical view of fourth embodiment of the invention.
Fig. 6 systems are the vertical view of fifth embodiment of the invention.
Reference numeral：
1 circuit protection structure
10 substrates
20 conductive net layers
22 peripheral conductor wires
30 ground wires
32 ground terminals
40 floating wiring
42 floating wiring
420 breakpoints
A distances
B distances
Specific implementation mode
System of the present invention is a kind of circuit protection structure of touch control display, by the knot for changing touch control display conductive layer
Structure can reduce the generation of migration (migration), to promote the service life of touch control display.
Please refer to Fig. 1 and Fig. 2, with the present invention will be described in detail control display circuit protection structure 1 how to reach it is above-mentioned it
Effect.As shown, circuit protection structure 1 includes a substrate 10, substrate 10 can be transparent substrate, and the setting of transparent substrate can carry
Rise light transmittance, the photosensitive degree of advantageous touch screen.Substrate 10 is equipped with an at least conductive net layer 20, and the present embodiment citing is led
20 system of electric network layer is metal grill, and metal grill is formed by the metal wires weaving such as superfine gold thread, silver wire or copper wire,
And the both sides of conductive net layer 20 extend outward plural peripheral conductor wire 22 more respectively, wherein plural number periphery 22 system of conducting wire along
And the setting of the both sides of conductive net layer 20 side by side.At least one ground wire 30 can be metal wire, indium tin oxide (Indium tin
Oxide, TO) line or indium-zinc oxide (Indium zinc oxide, IZO) line, ground wire 30 is located on substrate 10, and ring is set
In conductive net layer 20 and peripheral 22 outside of conductor wire of plural number, and it is electrically connected a ground terminal 32.Two floating wiring
(floating line) 40 can be metal wire, indium tin oxide (Indium tin oxide, ITO) line or indium-zinc oxide
(Indium zinc oxide, IZO) line, and the film resistor (sheet resistance) of floating wiring 40 is less than 150 ohm
(Ω)；Wherein two floating wiring 40 are located on substrate 10, and the peripheral conductor wire of the plural number for being located at 20 both sides of conductive net layer
Between 22 and ground wire 30, wherein floating wiring 40 and 30 distance a of ground wire and floating wiring 40 and peripheral conductor wire
22 distance b all at least 2 microns (μm), and floating wiring 40 more walks line position setting along ground wire 32, effectively to reduce
Peripheral conductor wire 22 and ground wire 30 between voltage difference, can reduce because law of conservation of charge make peripheral conductor wire 22 just from
Sub and past cathode is run, and peripheral conductor wire 22 is caused to generate the situations such as migration (migration).
Next Fig. 3 is please referred to, to illustrate the second embodiment of the present invention, as shown, the substrate 10 of the present embodiment, leading
The structure of electric network layer 20, the peripheral conductor wire 22 of plural number, ground wire 30 and ground terminal 32, and setting position all with it is above-mentioned
First embodiment is identical, therefore not repeated description.The structure that the present embodiment is different from the first embodiment is the knot of floating wiring 40
The floating wiring 40 of structure, the present embodiment is identical with the first embodiment, and is all arranged in 20 both sides of conductive net layer, and led positioned at periphery
Between electric wire 22 and ground wire 30, but the present embodiment citing all has a plurality of floating wiring in the both sides of conductive net layer 20
40, and the plural floating wiring 40 of 20 both sides of conductive net layer is more arranged side by side on the substrate 10 mutually, wherein with ground wire 30
Closest to floating wiring 40 distance a, be at least 2 microns (μm), with peripheral conductor wire 22 closest to floating wiring 40
Distance b, also at least 2 microns (μm).Peripheral conductor wire 22 and ground wire 30 can be reduced by the setting of above-mentioned floating wiring 40
Between voltage difference, the case where the cation of peripheral conductor wire 22 can be reduced and run toward cathode, and peripheral conductor wire 22 is caused to produce
Raw migration (migration).
Next Fig. 4 is please referred to, to illustrate the 3rd embodiment of the present invention, as shown, the substrate 10 of the present embodiment, leading
The structure of electric network layer 20, the peripheral conductor wire 22 of plural number, ground wire 30 and ground terminal 32, and setting position all with it is above-mentioned
First embodiment is identical, therefore not repeated description.The structure that the present embodiment is different from the first embodiment is the knot of floating wiring 42
Structure, two floating wiring 42 of the present embodiment are also separately positioned on 20 both sides of conductive net layer, and positioned at peripheral conductor wire 22 and ground connection
Between line 30, but each floating wiring 42 of the present embodiment is equipped with an at least breakpoint 420, floating wiring 42 is divided into more
Section, wherein ground wire 30 and 42 distance a of floating wiring, is at least 2 microns (μm), peripheral conductor wire 22 and floating wiring 42
Distance b, also at least 2 microns (μm).The setting of the floating wiring 42 of 3rd embodiment also can effectively reduce peripheral conductor wire 22 with
And the voltage difference between ground wire 30, the positively charged cation of peripheral conductor wire 22 can be reduced and run toward cathode, peripheral conduction is caused
Line 22 generates migration (migration) situation.
Next Fig. 5 is please referred to, to illustrate the fourth embodiment of the present invention, as shown, the substrate 10 of the present embodiment, leading
The structure of electric network layer 20, the peripheral conductor wire 22 of plural number, ground wire 30 and ground terminal 32, and setting position all with it is above-mentioned
First embodiment is identical, therefore not repeated description.The structure that the present embodiment is different from the first embodiment is the knot of floating wiring 42
The floating wiring 42 of structure, the present embodiment is equipped with an at least breakpoint 420, and multistage, and the present embodiment are divided into floating wiring 42
Floating wiring 42 be equipped with it is a plurality of, with respectively 20 both sides of conductive net layer be arranged it is a plurality of have the floating of breakpoint 420 connect
Line 42, and the plural floating wiring 42 of 20 both sides of conductive net layer is more arranged side by side mutually on the substrate 10, wherein with ground wire
30 closest to floating wiring 42 distance a, be at least 2 microns (μm), with peripheral conductor wire 22 closest to floating wiring 42
Distance b, also at least 2 microns (μm).By the setting of the floating wiring of fourth embodiment 42, peripheral conductor wire also can be effectively reduced
Voltage difference between 22 and ground wire 30, the cation that can reduce peripheral conductor wire 22 are run toward cathode, lead to peripheral conductor wire
22 generate migration (migration) situation.
Next Fig. 6 is please referred to, to illustrate the 5th embodiment of the present invention, as shown, the substrate 10 of the present embodiment, leading
The structure of electric network layer 20, the peripheral conductor wire 22 of plural number, ground wire 30 and ground terminal 32, and setting position all with it is above-mentioned
First embodiment is identical, therefore not repeated description.The structure that the present embodiment is different from the first embodiment be floating wiring 40,42 it
Structure, the present embodiment citing have a plurality of floating wiring 40,42, and the periphery for being separately positioned on 20 both sides of conductive net layer is conductive
Between line 22 and ground wire 30, and plural floating wiring 40,42 is arranged side by side mutually on the substrate 10, wherein plural floating wiring
40,42 can be not have the floating wiring 40 of breakpoint, or the floating wiring 42 equipped with breakpoint, wherein with ground wire 30 closest to it
The distance a of floating wiring 42 is at least 2 microns (μm), with peripheral conductor wire 22 closest to 40 distance b of floating wiring, also
At least 2 microns (μm).The floating wiring 42 or the not floating wiring 40 of breakpoint for either having breakpoint, all can effectively reduce periphery
Voltage difference between conductor wire 22 and ground wire 30, can reduce the cation for making peripheral conductor wire 22 because of law of conservation of charge
And run toward cathode, cause peripheral conductor wire 22 to generate migration (migration) situation.
In conclusion the present invention is arranged by floating wiring between ground wire and peripheral conductor wire, ground wire can be reduced
With the voltage difference between peripheral conductor wire, peripheral conductor wire is avoided to generate the case where migrating (migration), thereby reduces periphery
Conductor wire generates situations such as short circuit or consume, can effectively improve the service life of touch screen, and the configuration of the present invention is simple, can drop
Cost and production time, opposite can be improved production efficiency, help to promote economic benefit.
Only as described above, only the preferred embodiments of the invention is not used for limiting the range of implementation of the invention.
Therefore i.e. all features according to described in the present patent application range and spiritual equivalent change or modification for it, it should all be included in the present invention's
In claim.
Claims (10)
1. a kind of circuit protection structure of touch control display, which is characterized in that including：
One substrate；
An at least conductive net layer is located on the substrate, and the conductive net layer extends outward plural peripheral conductor wire respectively；
At least one ground wire, is located on the substrate, and ring is located on the outside of the conductive net layer and such peripheral conductor wire, and electricity
Property connection one ground terminal；And
At least one floating wiring is located on the substrate, and between such peripheral conductor wire and the ground wire.
2. the circuit protection structure of touch control display as described in claim 1, wherein such periphery conductor wire and the ground wire
Between be more provided with the plural floating wiring, such floating wiring is arranged side by side more mutually on the substrate.
3. it is disconnected that the circuit protection structure of touch control display as described in claim 1, the wherein floating wiring are further provided at least one
The floating wiring is divided into multistage by point.
4. the circuit protection structure of touch control display as described in claim 1, the wherein floating wiring and the ground wire away from
From at least 2 microns.
5. the circuit protection structure of touch control display as described in claim 1, the wherein floating wiring and the periphery conductor wire
At least 2 microns of distance.
6. the circuit protection structure of touch control display as described in claim 1, the wherein floating wiring system are metal wire, indium tin
Oxide line or indium-zinc oxide line.
7. the circuit protection structure of touch control display as described in claim 1, wherein the ground connection linear system are metal wire, indium tin oxygen
Compound line or indium-zinc oxide line.
8. the conductive linear system of the circuit protection structure of touch control display as described in claim 1, the wherein periphery is metal wire, indium
Tin-oxide line or indium-zinc oxide line.
9. the circuit protection structure of touch control display as described in claim 1, wherein the conductive net series of strata are metal grill.
10. the circuit protection structure of touch control display as described in claim 1, the film resistor of the wherein floating wiring are less than
150 ohm.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810171195.4A CN108459765B (en) | 2018-03-01 | 2018-03-01 | Circuit protection device of touch display |
| TW107107635A TWI656465B (en) | 2018-03-01 | 2018-03-07 | Circuit protection architecture of touch display |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810171195.4A CN108459765B (en) | 2018-03-01 | 2018-03-01 | Circuit protection device of touch display |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108459765A true CN108459765A (en) | 2018-08-28 |
| CN108459765B CN108459765B (en) | 2021-06-01 |
Family
ID=63219678
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810171195.4A Active CN108459765B (en) | 2018-03-01 | 2018-03-01 | Circuit protection device of touch display |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN108459765B (en) |
| TW (1) | TWI656465B (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203149524U (en) * | 2013-02-08 | 2013-08-21 | 胜华科技股份有限公司 | Touch panel with electrostatic protection |
| CN103576984A (en) * | 2013-07-17 | 2014-02-12 | 友达光电股份有限公司 | Touch panel and touch display panel |
| US20140152916A1 (en) * | 2012-12-04 | 2014-06-05 | Mitsubishi Electric Corporation | Touchscreen |
| CN104360771A (en) * | 2014-11-21 | 2015-02-18 | 业成光电（深圳）有限公司 | Touch control device capable of reinforcing static protection effect |
| CN104603730A (en) * | 2012-09-10 | 2015-05-06 | 苹果公司 | Corrosion mitigation for metal traces |
| CN205899517U (en) * | 2016-07-11 | 2017-01-18 | 上海天马有机发光显示技术有限公司 | Touch -control display panel and device |
-
2018
- 2018-03-01 CN CN201810171195.4A patent/CN108459765B/en active Active
- 2018-03-07 TW TW107107635A patent/TWI656465B/en active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104603730A (en) * | 2012-09-10 | 2015-05-06 | 苹果公司 | Corrosion mitigation for metal traces |
| US20140152916A1 (en) * | 2012-12-04 | 2014-06-05 | Mitsubishi Electric Corporation | Touchscreen |
| CN203149524U (en) * | 2013-02-08 | 2013-08-21 | 胜华科技股份有限公司 | Touch panel with electrostatic protection |
| CN103576984A (en) * | 2013-07-17 | 2014-02-12 | 友达光电股份有限公司 | Touch panel and touch display panel |
| CN104360771A (en) * | 2014-11-21 | 2015-02-18 | 业成光电（深圳）有限公司 | Touch control device capable of reinforcing static protection effect |
| CN205899517U (en) * | 2016-07-11 | 2017-01-18 | 上海天马有机发光显示技术有限公司 | Touch -control display panel and device |
Also Published As
| Publication number | Publication date |
|---|---|
| TWI656465B (en) | 2019-04-11 |
| TW201937352A (en) | 2019-09-16 |
| CN108459765B (en) | 2021-06-01 |
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