CN103941950B - Electromagnetic-type touch panel, electromagnetic-type touch display panel and electromagnetic-type touch display device - Google Patents
Electromagnetic-type touch panel, electromagnetic-type touch display panel and electromagnetic-type touch display device Download PDFInfo
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- CN103941950B CN103941950B CN201310264718.7A CN201310264718A CN103941950B CN 103941950 B CN103941950 B CN 103941950B CN 201310264718 A CN201310264718 A CN 201310264718A CN 103941950 B CN103941950 B CN 103941950B
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Abstract
The embodiment of the invention discloses an electromagnetic-type touch panel, an electromagnetic-type touch display panel and an electromagnetic-type touch display device. The electromagnetic-type touch panel comprises a first substrate and a touch structure layer arranged on the first substrate, wherein the touch structure layer comprises multiple first wires, multiple second wires, and multiple inductive coils, the multiple second wires intersect with the multiple first wires in an insulating mode, and the inductive coils are arranged at the positions where the first wires intersect with the second wires. The electromagnetic-type touch panel further comprises a first switch unit and a second switch unit, wherein the first switch unit comprises multiple first switches connected with the first wires in series, and the second switch unit comprises multiple second switches connected with the second wires in series. Due to the fact that the first switch unit and the second switch unit are turned on alternately, the number of ports for shunt induced current is greatly reduced, the intensity of detected effective signals is improved, and the signal to noise ratio is increased.
Description
Technical field
The present invention relates to inductance touches field, more particularly to a kind of inductance touch-screen, the inductance comprising the inductance touch-screen
Touch display panel, the inductance touch display unit comprising the inductance touch-screen, the inductance comprising the inductance touch display panel
Touch display unit.
Background technology
In recent years, with hommization, the development of facilitation, touch-screen, the display floater with touch function and display dress
Put and increasingly favored by people.According to the difference of operation principle, touch-screen has multiple species, such as electric resistance touch screen
(Resistive-type Touch Panel), capacitance touch screen (Capacitive-type Touch Panel), inductance are touched
Screen (Electromagnetic-type Touch Panel) etc..Wherein, electric resistance touch screen, the advantage of capacitance touch screen can be
Directly operated with hand.But when with pen to write, because palm is typically placed on touch-screen, the touch of hand and pen is difficult to accurately
Differentiate.Inductance touch-screen mainly includes the multiple inductance coils or antenna along X and Y-direction arrangement, and a position is pointed to
Device (such as time writer).Even if palm is positioned on touch-screen, inductance touch-screen can also accurately determine the position of time writer
Put.
A kind of inductance touch-screen, its circuit are disclosed in the Chinese patent application file of Application No. 200810065796.3
Structural representation is as shown in Figure 1.As shown in figure 1, the inductance touch-screen includes a plurality of X-direction detection line 11, with the inspection of a plurality of X-direction
The a plurality of Y-direction detection line 12 that the insulation of survey line 11 intersects, multiple coils 13 arranged in arrays are (with 3 × 3 coil matrix in figure
As a example by), each coil 13 is arranged at the infall of X-direction detection line 11 and Y-direction detection line 12.Each coil 13 has two
End, first end is connected to corresponding X-direction detection line 11 and Y-direction detection line 12 simultaneously, and the other end passes through public electrode wire 17
Ground connection.Each X-direction detection line 11 and Y-direction detection line 12 are connected to corresponding X-direction detection electricity by a current amplifier
Road 15 and Y-direction detection circuit 16.If time writer causes a certain inductance coil 13 to produce induced-current, then the induced-current meeting
Detect that circuit 15 and the Y-direction detection detection of circuit 16 are obtained by X-direction, so that it is determined that touching the position coordinates for occurring.
But, can further be seen that from Fig. 1, because X-direction detection line 11 and Y-direction detection line 12 pass through inductance
One end of coil 13 is connected, therefore for any one inductance coil 13, with the inductor wire shown in the dotted line frame circle in scheming
As a example by circle, its induced-current I for producing0Can via the X-direction detection line 11 and Y-direction detection line 12 that are electrically connected to each other transmit to
All detection ports.That is induced-current I0Can be via all detections of the path transmission shown in dotted line in figure to X-direction and Y-direction
Port, each port can detect respectively induced-current Ix1, Ix2, Ix3, Iy1, Iy2, Iy3.That is, any one
The electric current that inductance coil sensing is produced can all be divided into six parts, i.e. Ix1, Ix2, Ix3, Iy1, Iy2, Iy3.X-direction detects circuit 15
Need from Ix1, Ix2, the electric current of a maximum is selected in Ix3 to determine the X-direction coordinate of touch location；Y-direction detection electricity
Road 16 is needed from Iy1, Iy2, and the electric current of a maximum is selected in Iy3 to determine the Y-direction coordinate of touch location.But due to sense
Induced current I0One point is six, greatly reduces the intensity of useful signal so that signal to noise ratio is reduced.Further, since six current values
Difference between Ix1, Ix2, Ix3, Iy1, Iy2, Iy3 can be because lead mutually between X-direction detection line 11 and Y-direction detection line 12
Lead to and reduce so that detection difficulty increases.
The content of the invention
An embodiments of the invention technical problem to be solved is, the inductance coil in prior art at touch location
The induced-current of generation branches to all detection ports, and the valid signal strengths for detecting are less, and signal to noise ratio is relatively low.
In order to solve above-mentioned technical problem, The embodiment provides a kind of inductance touch-screen, including：First substrate
With the touch structure sheaf being arranged on the first substrate, the touch structure sheaf includes：A plurality of first wire；A plurality of second leads
Line, intersects with a plurality of first wire insulation；Multiple inductance coils, each inductance coil is arranged at first wire and
The infall of two wires, each inductance coil includes a first terminal electrically connected with first wire and the second wire, with
And one ground connection Second terminal；The inductance touch-screen also includes：One first switch unit, including multiple first switches, it is each
First wired in series described in first switch and；One second switch unit, including multiple second switches, each second switch and
Second wired in series；Wherein, the first switch unit is opened with the second switch units alternately, when the magnetic line of force is passed through
During one inductance coil, the induced-current that the inductance coil is produced is transmitted to correspondence connection by the first terminal of the inductance coil
First wire and the second wire, so that the inductance touch-screen determines the position coordinates for touching by the induced-current.Tool
Body is said, when the first switch unit is opened, the second switch unit is closed, and the inductance touch-screen is by the sensing
Electric current determines the first direction coordinate value of touch location；When the second switch unit is opened, the first switch unit is closed,
The inductance touch-screen determines the second direction coordinate value of touch location by the induced-current.
Embodiments of the invention additionally provide a kind of inductance touch display panel, including above-mentioned inductance touch-screen.
Embodiments of the invention additionally provide a kind of inductance touch display unit including above-mentioned inductance touch display panel.
Embodiments of the invention additionally provide a kind of inductance touch display unit and touch including display floater and above-mentioned inductance
Screen, the display floater is arranged with the inductance touch screen stack-ups.
In terms of existing technologies, the inductance touch-screen that embodiments of the invention are provided, comprising the inductance touch-screen
Inductance touch display panel, the inductance touch display unit comprising the inductance touch-screen, comprising the inductance touch display panel
Inductance touch display unit in, the first switch unit is opened with the second switch units alternately, is so greatly reduced
The quantity of the faradic port of shunting, increases the actual induction electric current that test side detects, and improves having of detecting
Effect signal strength signal intensity, there is provided signal to noise ratio.
Description of the drawings
Fig. 1 is the electrical block diagram of the inductance touch-screen of prior art；
Fig. 2 is the overlooking the structure diagram of the inductance touch-screen that the embodiment of the present invention one is provided；
Fig. 3 is the overlooking the structure diagram of the inductance touch-screen that the embodiment of the present invention two is provided；
Fig. 4 is the sectional view of the inductance touch display panel that the embodiment of the present invention three is provided；
Fig. 5 is the pel array overlooking the structure diagram that the embodiment of the present invention three is provided.
Specific embodiment
The core concept of the present invention is that the test side of (X-direction) in a first direction increases first switch unit, in second party
Increase second switch unit to the test side of (Y-direction), and first switch unit is opened with second switch units alternately.First
The detection in direction (X-direction) is carried out when different with the detection of second direction (Y-direction), i.e., first direction (X-direction) is detected
When, all test sides of second direction (Y-direction) are closed；When second direction (Y-direction) is detected, by first direction (X side
To) all test sides close.So for one-time detection, the induced-current that any one inductance coil is produced only is shunted
To all test sides of first direction (X-direction), or all test sides of second direction (Y-direction) are only branched to, so significantly
The quantity for shunting faradic port is reduced, the actual induction electric current that test side detects is increased, is improve and is detected
Valid signal strengths, there is provided signal to noise ratio.
Embodiment one
The overlooking the structure diagram of the inductance touch-screen that the embodiment of the present invention one is provided is as shown in Figure 2.Can from Fig. 2
Go out, the inductance touch-screen 1 includes：First substrate 10 and the touch structure sheaf being arranged on first substrate 10.
The touch structure sheaf includes：A plurality of first wire 101；A plurality of second wire 102, leads 101 lines exhausted with a plurality of first
Edge intersects；Multiple inductance coils 103, each inductance coil 103 is arranged at the infall of the first wire 101 and the second wire 102,
Each inductance coil 103 includes a first terminal 1031 electrically connected with the first wire 101 and the second wire 102, and one connects
The Second terminal 1032 on ground.Insulating barrier (being not drawn in figure) is provided between the wire 102 of usual first wire 101 and second, electricity
Sense coil 103 can be with the first wire 101 positioned at same layer, using identical material, it is also possible to is located at the second wire 102 same
Layer, using identical material.In addition, the first terminal 1031 of inductance coil 103 includes the first sub- terminal 1031A, with corresponding the
One wire 101 is electrically connected；Second sub- terminal 1031B, electrically connects with corresponding second wire 102.The Second terminal of inductance coil 103
1032 can be grounded by a public electrode wire 107.In Fig. 2 by public electrode wire 107 have it is a plurality of as a example by but it is also possible to be whole
Block structure (such as ITO).Public electrode wire 107 can be with one of the first wire 101, the second wire 102, inductance coil 103
Positioned at same layer, using identical material.In addition, generally parallel between a plurality of first wire 101 or substantially parallel setting, a plurality of the
Usual parallel or substantially parallel setting between two wires 102.
The inductance touch-screen 1 also includes：One first switch unit 108, including multiple first switches 109, open per one first
Close 109 to connect with the first wire 101 described in；One second switch unit 111, including multiple second switches 112, open per one second
Close 112 to connect with one second wire 102.In Fig. 2, so that first switch 109, second switch 112 are as thin film transistor (TFT) as an example, so
First switch 109, second switch 112 can be directly arranged on first substrate 10.But, first switch 109, second switch
112 can also have a device or circuit of switching function using other, such as field-effect transistor (MOSFET), can be arranged at outer
In portion IC.Thin film transistor (TFT) or field-effect transistor can be N-type, or p-type.
Wherein, first switch unit 108 replaces opening with second switch unit 111, when the magnetic line of force passes through an inductance coil
When 103, the induced-current that the inductance coil 103 is produced is transmitted to correspondence by the first terminal 1031 of the inductance coil 103 and connected
The first wire 101 for connecing and the second wire 102, so that inductance touch-screen 1 determines the position coordinates for touching by induced-current.
Specifically, when first switch unit 108 is opened, second switch unit 111 is closed, and inductance touch-screen 1 is true by induced-current
Determine first direction (X-direction) coordinate value of touch location；When second switch unit 111 is opened, first switch unit 108 is closed,
Inductance touch-screen 1 determines second direction (Y-direction) coordinate value of touch location by induced-current.
So that first switch 109, second switch 112 are as thin film transistor (TFT) as an example, first switch unit 108 also includes one first
Control line 110, while controlling the on off state of multiple first switches 109；Second switch unit 111 includes one second control line
113, while controlling the on off state of multiple second switches 112.In addition, inductance touch-screen 1 also includes that first direction detects circuit
105 and second direction detection circuit 106；First direction detection is electrically connected to by a first switch 109 per one first wire 101
Circuit 105；Second direction is electrically connected to by a second switch 112 per one second wire 102 and detects circuit 106.Specifically,
Circuit 105 is detected by the first switch 109 of series connection with it and first direction per one first wire 101, the first wire 101 and the
The source/drain electrical connection of one switch 109, the drain/source of first switch 109 is electrically connected with first direction detection circuit 105,
The grid of first switch 109 is electrically connected with the first control line 110.Per the second switch that one second wire 102 passes through series connection with it
112 detect circuit 106 with second direction, and the second wire 102 is electrically connected with the source/drain of second switch 112, second switch
112 drain/source is electrically connected with second direction detection circuit 106, and the grid of second switch 112 is electric with the second control line 113
Connection.First control line 110 is applied in the first control signal CK, and the second control line 113 is applied in the second control signal CKB；The
One control signal CK and the second control signal CKB inversion signal each other.When CK is useful signal, CKB is invalid signals, first
First switch 109 in switch element 108 is opened, if now there is inductance coil 103 to produce induced-current, then first direction is examined
Slowdown monitoring circuit 105 can detect induced-current Ix1, Ix2, Ix3 from the first wire of each bar 101, compare each induced-current
The size of Ix1, Ix2, Ix3, chooses maximum of which electric current to determine first direction (X-direction) coordinate of touch location.Work as CK
For invalid signals when, CKB is useful signal, and the second switch 112 in second switch unit 111 is opened, if now there is inductor wire
Circle 103 produces induced-current, then second direction detection circuit 106 can detect induced electricity from the second wire of each bar 102
Stream Iy1, Iy2, Iy3, compare each induced-current Iy1, and the size of Iy2, Iy3 chooses maximum of which electric current to determine touch
Second direction (Y-direction) coordinate of position.It follows that first switch unit 108 replaces opening with second switch unit 111.
The detection of first direction (X-direction) is carried out when different with the detection of second direction (Y-direction), i.e., first direction (X-direction) is carried out
During detection, all test sides of second direction (Y-direction) are closed；When second direction (Y-direction) is detected, by first direction
All test sides of (X-direction) are closed.So for one-time detection, the induced-current that any one inductance coil is produced is only
Branch to all test sides of first direction (X-direction), or only branch to all test sides of second direction (Y-direction), so
The quantity for shunting faradic port is greatly reduced, the actual induction electric current that test side detects is increased, inspection is improve
The valid signal strengths for measuring, there is provided signal to noise ratio.
In addition, the intensity in order to further increase detection signal, inductance touch-screen 1 also includes multiple current amplifiers 114,
First direction is electrically connected to by a first switch 109 and a current amplifier 114 per one first wire 101 and detects circuit 105；
Second direction is electrically connected to by a second switch 111 and a current amplifier 114 per one second wire 102 and detects circuit 106.
Certainly, first switch 109 can be adjusted arbitrarily with the sequencing of current amplifier 114, second switch 112 and current amplifier
114 sequencing can also be adjusted arbitrarily.
Embodiment two
The overlooking the structure diagram of the inductance touch-screen that the embodiment of the present invention two is provided is as shown in Figure 3.The present embodiment is provided
The improvement made on the basis of the inductance touch-screen that embodiment one is provided of inductance touch-screen, with the identical part of embodiment one not
Repeat again, emphasis narration difference part.
From figure 3, it can be seen that inductance touch-screen 1 also includes the switch element 116 of first control circuit 115 and the 3rd；The
Three switch elements 116 include multiple three switches 117, connect with one first wire 101 per one the 3rd switch 117, the first control
Circuit 115 controls the plurality of 3rd switch 117 and opens one by one when first switch unit 108 is opened；And/or, inductance touch-screen 1
Also include the switch element 119 of second control circuit 118 and the 4th；4th switch element 119 includes multiple four switches 120, often
One the 4th switch 120 is connected with one second wire 102, and second control circuit 118 controls the plurality of 4th switch 120 and opens second
Close when unit 111 is opened and open one by one.It should be noted that in the present embodiment, inductance touch-screen 1 can only include the first control
The switch element 116 of circuit 115 and the 3rd, or only include the switch element 119 of second control circuit 118 and the 4th, it is also possible to it is same
When include the switch element 116 of first control circuit 115 and the 3rd, the switch element 119 of second control circuit 118 and the 4th.
Used as preferred embodiment, above-mentioned first control circuit 115 and/or second control circuit 118 can be displacement
Register circuit, can have TFT to constitute, and be arranged on first substrate 10；Can also be arranged in exterior I C.In addition, the first control
The switch element 116 of circuit 115 and the 3rd can be adjusted arbitrarily with the sequencing of current amplifier 114, first switch 109；The
Two control circuits 118 and the 4th switch element 119 can also be any with the sequencing of current amplifier 114, second switch 112
Adjustment.
Embodiment three
It is any one in the inductance touch display panel that the embodiment of the present invention three is provided, including above-described embodiment one, enforcement two
The inductance touch-screen of individual offer.The inductance touch display panel can be display panels or Electronic Paper or plasma display surface
Plate or organic LED display panel.
When the inductance touch display panel is display panels, its sectional view is as shown in Figure 4.Can from Fig. 4
Go out, the inductance touch display panel 2 also includes the second substrate 20 being oppositely arranged with first substrate 10, and be arranged at described
Liquid crystal layer 30 between one substrate 10 and second substrate 20.First substrate 10, second substrate 20 can adopt glass, quartz, modeling
The materials such as material.Pel array 40, its overlooking the structure diagram such as Fig. 5 institutes are additionally provided between liquid crystal layer 30 and first substrate 10
Show.From figure 5 it can be seen that pel array 40 includes a plurality of privates 401 and a plurality of privates 402 of insulation intersection.
Pel array 40 also includes being arranged at the TFT of privates 401 and the infall of privates 402.Touching structure sheaf can be with picture
Pixel array 40 makes together, and the two is prepared in same technological process；Even touching structure sheaf can be partly or entirely direct
Using existing structure in pel array 40.For example, the first wire 101 is located at same layer and using identical with privates 401
Material, the second wire 102 is located at same layer and using identical material with privates 402.Or, the first wire 101 is directly adopted
With privates 401, the second wire 102 directly adopts privates 402, now, inductance detection and shows the two time-sharing work.
In the present embodiment with privates as scan line, privates as data wire as a example by, but actually privates, privates can
Think the two lines that insulation intersects in scan line, data wire, storage capacitor electrode line, bias line, patch cord, control line etc..Separately
Outward, usual parallel or substantially parallel setting, usual parallel or base between a plurality of privates 402 between a plurality of privates 401
Originally it be arranged in parallel.
Example IV
The inductance touch display unit that the embodiment of the present invention four is provided, including the inductance that provides of above-described embodiment three touch it is aobvious
Show panel.
The inductance touch display unit that the embodiment of the present invention four is provided, it is also possible to including display floater and above-described embodiment
First, the inductance touch-screen that any one is provided in two is implemented, the display floater is arranged with the inductance touch screen stack-ups.
Obviously, those skilled in the art can carry out the essence of various changes and modification without deviating from the present invention to the present invention
God and scope.So, if these modifications of the present invention and modification belong to the scope of the claims in the present invention and its equivalent technologies
Within, then the present invention is also intended to comprising these changes and modification.
Claims (19)
1. a kind of inductance touch-screen, including：First substrate and the touch structure sheaf being arranged on the first substrate, the touch
Structure sheaf includes：A plurality of first wire；A plurality of second wire, intersects with a plurality of first wire insulation；Multiple inductance coils,
Each inductance coil is arranged at the infall of first wire and the second wire, and each inductance coil includes one and described first
Wire and the first terminal of the second wire electrical connection, and the Second terminal of a ground connection；
The inductance touch-screen also includes：One first switch unit, including multiple first switches, described in each first switch and
First wired in series；One second switch unit, including multiple second switches, the second wire string described in each second switch and
Connection；
Wherein, the first switch unit is opened with the second switch units alternately, when the magnetic line of force passes through an inductance coil,
The induced-current that the inductance coil is produced transmits the first wire for connecting to correspondence and the by the first terminal of the inductance coil
Two wires, so that the inductance touch-screen determines the position coordinates for touching by the induced-current；The first switch list
When unit opens, the second switch unit is closed, and the inductance touch-screen determines the of touch location by the induced-current
One direction coordinate value；When the second switch unit is opened, the first switch unit is closed, and the inductance touch-screen passes through institute
State the second direction coordinate value that induced-current determines touch location.
2. inductance touch-screen according to claim 1, it is characterised in that the first terminal includes：First sub- terminal, with
Correspondence the first wire electrical connection；Second sub- terminal, with the electrical connection of corresponding second wire.
3. inductance touch-screen according to claim 1, it is characterised in that the first switch and/or the second switch
For thin film transistor (TFT), it is arranged on the first substrate.
4. inductance touch-screen according to claim 1, it is characterised in that the first switch and/or the second switch
For field-effect transistor, in being arranged at exterior I C.
5. inductance touch-screen according to claim 1, it is characterised in that the inductance touch-screen is also examined including first direction
Slowdown monitoring circuit and second direction detection circuit；Each first wire is electrically connected to the first party by first switch described in
To detection circuit；Each second wire is electrically connected to the second direction and detects circuit by second switch described in.
6. inductance touch-screen according to claim 5, it is characterised in that the inductance touch-screen is also put including multiple electric currents
Big device, is electrically connected to the first direction and detects circuit per one first wire by a first switch and a current amplifier；Often
One second wire is electrically connected to the second direction and detects circuit by a second switch and a current amplifier.
7. inductance touch-screen according to claim 1, it is characterised in that the first switch unit is also including one first control
Line processed, while controlling the on off state of the plurality of first switch；The second switch unit includes one second control line, while
Control the on off state of the plurality of second switch.
8. inductance touch-screen according to claim 7, it is characterised in that the inductance touch-screen also includes the first control electricity
Road and the 3rd switch element；3rd switch element includes multiple three switches, leads with described in one first per one the 3rd switch
Line is connected, and the first control circuit control the plurality of 3rd is switched opens one by one when the first switch unit is opened；
And/or, the inductance touch-screen also includes second control circuit and the 4th switch element；4th switch element includes multiple
4th switch, per one the 4th switch and the second wired in series described in, the second control circuit control the plurality of 4th is opened
Open one by one when the second switch unit is opened pass.
9. inductance touch-screen according to claim 8, it is characterised in that the first control circuit and/or described second
Control circuit is shift register circuit.
10. inductance touch-screen according to claim 8, it is characterised in that the first control circuit and/or described second
Control circuit is arranged on the first substrate.
11. inductance touch-screens according to claim 8, it is characterised in that the first control circuit and/or described second
Control circuit is arranged in exterior I C.
12. a kind of inductance touch display panels, including the inductance touch-screen as described in any one of claim 1-11.
13. inductance touch display panels according to claim 12, it is characterised in that the inductance touch display panel is
Display panels or Electronic Paper or Plasmia indicating panel or organic LED display panel.
14. inductance touch display panels according to claim 12, it is characterised in that the inductance touch display panel is also
Including the second substrate being oppositely arranged with the first substrate, and the liquid being arranged between the first substrate and second substrate
Crystal layer.
15. inductance touch display panels according to claim 12, it is characterised in that the inductance touch display panel is also
Including the pel array being arranged on the first substrate, the pel array includes a plurality of privates that insulation intersects and many
Bar privates.
16. inductance touch display panels according to claim 15, it is characterised in that first wire and the described 3rd
Wire is located at same layer and using identical material, and second wire is located at same layer and using identical material with the privates
Material；Or, first wire directly adopts privates, second wire directly to adopt privates, and inductance to examine
Survey and show time-sharing work.
The 17. inductance touch display panels according to claim 15 or 16, it is characterised in that the privates, the 4th
Wire is the two lines of intersection of insulating in scan line, data wire, storage capacitor electrode line, bias line, patch cord, control line.
18. a kind of inductance touch display units, including the inductance touch display panel as described in any one of claim 12-17.
A kind of 19. inductance touch display units, including display floater and the inductance touch-screen described in any one of claim 1-11,
The display floater is arranged with the inductance touch screen stack-ups.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310264718.7A CN103941950B (en) | 2013-06-28 | 2013-06-28 | Electromagnetic-type touch panel, electromagnetic-type touch display panel and electromagnetic-type touch display device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310264718.7A CN103941950B (en) | 2013-06-28 | 2013-06-28 | Electromagnetic-type touch panel, electromagnetic-type touch display panel and electromagnetic-type touch display device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103941950A CN103941950A (en) | 2014-07-23 |
| CN103941950B true CN103941950B (en) | 2017-05-17 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310264718.7A Active CN103941950B (en) | 2013-06-28 | 2013-06-28 | Electromagnetic-type touch panel, electromagnetic-type touch display panel and electromagnetic-type touch display device |
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| Country | Link |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104731438B (en) * | 2015-03-25 | 2018-11-23 | 深圳市华星光电技术有限公司 | Inductance touch-control module, inductance touch control display device and its manufacturing method |
| CN104866162B (en) * | 2015-06-12 | 2018-07-03 | 深圳市华星光电技术有限公司 | Inductive touch control structure, touch control display apparatus and its manufacturing method |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09146683A (en) * | 1995-11-27 | 1997-06-06 | Nec Home Electron Ltd | Tablet device |
| CN101526679A (en) * | 2008-03-07 | 2009-09-09 | 群康科技(深圳)有限公司 | Touch-control liquid crystal display device |
| CN101825959A (en) * | 2009-03-05 | 2010-09-08 | 鸿富锦精密工业（深圳）有限公司 | Electromagnetic input device |
-
2013
- 2013-06-28 CN CN201310264718.7A patent/CN103941950B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09146683A (en) * | 1995-11-27 | 1997-06-06 | Nec Home Electron Ltd | Tablet device |
| CN101526679A (en) * | 2008-03-07 | 2009-09-09 | 群康科技(深圳)有限公司 | Touch-control liquid crystal display device |
| CN101825959A (en) * | 2009-03-05 | 2010-09-08 | 鸿富锦精密工业（深圳）有限公司 | Electromagnetic input device |
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| Publication number | Publication date |
|---|---|
| CN103941950A (en) | 2014-07-23 |
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