CN103165072A - Touch device and driving method thereof - Google Patents

Touch device and driving method thereof Download PDF

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Publication number
CN103165072A
CN103165072A CN2011104208467A CN201110420846A CN103165072A CN 103165072 A CN103165072 A CN 103165072A CN 2011104208467 A CN2011104208467 A CN 2011104208467A CN 201110420846 A CN201110420846 A CN 201110420846A CN 103165072 A CN103165072 A CN 103165072A
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CN
China
Prior art keywords
electrode
control device
contactor control
described
signal
Prior art date
Application number
CN2011104208467A
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Chinese (zh)
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CN103165072B (en
Inventor
陈新立
简传枝
杨冠懿
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群康科技(深圳)有限公司
奇美电子股份有限公司
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Priority to CN201110420846.7A priority Critical patent/CN103165072B/en
Publication of CN103165072A publication Critical patent/CN103165072A/en
Application granted granted Critical
Publication of CN103165072B publication Critical patent/CN103165072B/en

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Abstract

The invention provides a touch device and a driving method of the touch device. The touch device comprises a touch panel provided with a substrate, a plurality of first electrodes and a plurality of second electrodes, a sensing drive circuit and a covered electrode. The first electrodes are arranged on the substrate at intervals. The second electrodes are arranged on the substrate at intervals. The covered electrode is arranged at one side of the substrate. Signals of the covered electrode are controlled by the sensing drive circuit so that the signals are synchronous with signals of the first electrodes or signals of the second electrodes.

Description

Contactor control device and driving method thereof

Technical field

The invention relates to a kind of driving method, especially in regard to a kind of contactor control device and driving method thereof.

Background technology

Recently, flat display apparatus (Flat Panel Display, FPD) technology has development rapidly, and, low power consumption frivolous because of its build and the advantageous characteristic such as radiationless, replaced conventional cathode ray tube (Cathode Ray Tube gradually, CRT) display device, and be applied to various electronic product.

In addition, in recent years, contact panel also is widely used on general consumer electronics commodity gradually, for example device for mobile communication, digital camera, digital music player (MP3), personal digital aid (PDA) (PDA), satellite navigator (GPS), palmtop computer (hand-held PC), even brand-new super mobile computer (Ultra Mobile PC, UMPC) etc.Above-mentioned contact panel becomes the touch-control display module in conjunction with display screen.

Fig. 1 is a kind of schematic diagram of known touch control display apparatus 1, and touch control display apparatus comprises a display panel 11 and a contact panel 12, and contact panel 12 is arranged at a side of display panel 11.In known technology, interfere with each other in order to prevent display panel 11 and the signal of contact panel 12, therefore a shielding layer 13 is set between display panel 11 and contact panel 12.Shielding layer 13 is to be made by conductive material, interferes with contact panel 12 with the signal that prevents display panel 11.

Yet shielding layer 13 can form capacity effect with the electrode on contact panel 12, and then increases the weight of the sensing load of 12 pairs of electric capacity of contact panel, and the touch-control sensitivity of contact panel 12 is descended.

Therefore, how to provide a kind of contactor control device and driving method thereof, can reach simultaneously screening effect and reduction to the sensing load of electric capacity, and then promote touch-control usefulness, real is one of current important topic.

Summary of the invention

Because above-mentioned problem, purpose of the present invention can reach the also sensing load of reduction to electric capacity of screening effect simultaneously for providing a kind of, and then promotes contactor control device and the driving method thereof of touch-control usefulness.

For reaching above-mentioned purpose, comprise according to a kind of contactor control device of the present invention have a substrate, a contact panel, a sensing driving circuit and a shielding electrode of a plurality of the first electrode and a plurality of the second electrodes.The first electrode is arranged at substrate and is intervally installed.The second electrode is arranged at substrate and is intervally installed.This shielding electrode is arranged at a side of substrate.The signal that this sensing driving circuit is controlled this shielding electrode make its with these first electrodes and one of them person's of these second electrodes signal for synchronizeing.

For reaching above-mentioned purpose, the present invention proposes a kind of driving method of contactor control device, wherein contactor control device comprise have a substrate, a contact panel, a shielding electrode and a sensing driving circuit of a plurality of the first electrode and a plurality of the second electrodes, this sensing driving circuit is controlled respectively these first electrodes, these second electrodes and this shielding electrode of electric connection.Driving method comprises: transmit a first signal to these the first electrodes; Transmit a secondary signal to these the second electrodes; And transmitting a mask signal to shielding electrode, mask signal is synchronizeed with one of them person of first signal and secondary signal.

From the above, in contactor control device of the present invention and driving method thereof, a mask signal is to be sent to shielding electrode, and one of them person of the secondary signal of the first signal of mask signal and the first electrode and the second electrode is synchronizeed.Whereby, there is no potential difference (PD) between shielding electrode and the first electrode or the second electrode, so that it is zero that the capacity effect of shielding electrode and the first electrode or the second electrode is close to, thereby can reduce contactor control device to the sensing load of electric capacity, and then promotes the touch-control sensitivity of contactor control device.In addition, shielding electrode can to the signal formation capture-effect of display panel, can allow the signal between display panel and contact panel can not interfere with each other.

Description of drawings

For above-mentioned purpose of the present invention, feature and advantage can be become apparent, below in conjunction with accompanying drawing, the specific embodiment of the present invention is elaborated, wherein:

Fig. 1 is a kind of schematic diagram of known touch control display apparatus;

Fig. 2 is the decomposing schematic representation of a kind of contactor control device of preferred embodiment of the present invention;

Fig. 3 is the schematic side view of contactor control device shown in Figure 2;

Fig. 4 to Fig. 6 is the first signal, secondary signal of preferred embodiment of the present invention and the sequential chart of the different aspects of mask signal;

Fig. 7 is the schematic side view of another contactor control device of preferred embodiment of the present invention;

Fig. 8 is first electrode of another contactor control device of preferred embodiment of the present invention and the schematic top plan view of the second electrode;

Fig. 9 A and Fig. 9 B are the schematic side view of another contactor control device of preferred embodiment of the present invention;

Figure 10 A to Figure 10 C is the schematic diagram that the difference of the shielding electrode of preferred embodiment of the present invention changes aspect;

Figure 11 is the flow chart of steps of driving method of a kind of contactor control device of preferred embodiment of the present invention; And

Figure 12 is the block schematic diagram of a kind of image display system of preferred embodiment of the present invention.

The main element symbol description:

1: touch control display apparatus

11: display panel

12: contact panel

13: shielding layer

2,3,4,4a, 4b, 5a, 5b: contactor control device

20,30: contact panel

21,31: substrate

22,32,42,42a, 42b, X1~XN: the first electrode

23,33,43,43a, 43b, Y1~YN: the second electrode

24,34: the sensing driving circuit

25,25a, 35,45a, 45b: shielding electrode

251: strip shaped electric poles section

252: wire

26,36,46a, 46b: insulation course

451,453: main part

452,454, B: connecting portion

57a, 57b: display panel

571: common electrode

C: mask signal

S 1: first signal

S 2: secondary signal

S01~S03: the step of driving method

Embodiment

Hereinafter with reference to relevant drawings, a kind of contactor control device and driving method thereof according to preferred embodiment of the present invention are described, wherein identical element will be illustrated with identical reference marks.

Fig. 2 is the decomposing schematic representation of a kind of contactor control device 2 of preferred embodiment of the present invention, and Fig. 3 is the schematic side view of contactor control device 2.Please refer to Fig. 2 and shown in Figure 3, make flowing mode with it with the structure of explanation contactor control device 2.

Contactor control device 2 comprise have a substrate 21, a contact panel 20, a sensing driving circuit 24 and a shielding electrode 25 of a plurality of the first electrode 22 and a plurality of the second electrodes 23.Wherein, substrate 21 can be a dull and stereotyped or film, and its material can be for example glass, plastic cement or other tool dielectric materials.In the present embodiment, substrate 21 is a glass substrate.

The first electrode 22 is arranged at substrate 21 and is intervally installed.In the present embodiment, " setting " can refer to directly link or indirectly link.In this, the first electrode 22 directly is arranged on a surface of substrate 21.The first electrode 22 is to be made by conductive material, electrically conducting transparent material for example, as indium tin oxide (ITO) or indium-zinc oxide (IZO), and these first electrodes 22 are intervally installed and are arranged in parallel, and the shape of the first electrode 22 is take strip as example.

The second electrode 23 is arranged at substrate 21 and is intervally installed, and the second electrode 23 can directly be arranged on substrate 21 or by at least one rete and be arranged on substrate 21; In this, the second electrode 23 and the first electrode 22 are positioned at the same side of substrate 21, and an insulation course 26 is to be arranged between the first electrode 22 and the second electrode 23.The second electrode 23 is made by conductive material equally, and for example electrically conducting transparent, and these second electrodes 23 is intervally installed and is arranged in parallel, and the shape of the second electrode 23 is take strip as example.

It should be noted that, defined the first electrode 22 of the present embodiment also can be used as the second electrode, and the second electrode 23 can be used as the first electrode, and is commutative between both.Define these first electrodes 22 in this and be column electrode, these second electrodes 23 be the row electrode, and these first electrodes 22 and these second electrodes 23 for being crisscross arranged, and form an angle on the space.It seems in projecting direction, these first electrodes 22 are to be in fact 90 degree with these second electrodes 23.

Shielding electrode 25 can be arranged at the same side of substrate 21 and the first electrode 22 or the second electrode 23, or is arranged at the opposite side of substrate 21; In this, the first electrode 22 and the second electrode 23 are positioned at the same side of substrate 21, and shielding electrode 25 is arranged at the opposite side of substrate 21, and namely substrate 21 is between shielding electrode 25 and the first electrode 22 and the second electrode 23.

As shown in Figure 3, sensing driving circuit 24 is to be electrically connected with the second electrode 23 and shielding electrode 25, and in order to driving the second electrode 23 and shielding electrode 25, and make the signal of shielding electrode 25 synchronize with one of them person of the signal of these first electrodes 22 and these the second electrodes 23; In this, the signal of shielding electrode 25 is to synchronize with the signal of these the second electrodes 23.In this, signal refers to that synchronously the frequency of two signals is identical with phase place essence.In addition, the driving of the first electrode 22 also can be undertaken by sensing driving circuit 24.

Because the capacitor stores energy theorem is W=1/2*CV 2, wherein W refers to energy, and C refers to capacitance, and V refers to the potential difference (PD) at capacitor two ends.Therefore when the signal of shielding electrode 25 is synchronizeed with the signal of these the second electrodes 23, between shielding electrode 25 and the second electrode 23, formed capacitor there is no and stores any energy and electric charge, so that can not form capacity effect between shielding electrode 25 and the second electrode 23, thereby can reduce the impact of the capacitance sensing load of contactor control device 2.

Below drive respectively these first electrodes 22 and these the second electrodes 23 as example take sensing driving circuit 24, with the start of explanation sensing driving circuit 24.Sensing driving circuit 24 transmits respectively a first signal to these the first electrodes 22, transmit respectively a secondary signal to these the second electrodes 23, and transmit a mask signal to shielding electrode 25, below illustrate the sequential chart of first signal, secondary signal and the different aspects of mask signal with Fig. 4 to Fig. 6.

Please refer to shown in Figure 4ly, sensing driving circuit 24 transmits respectively first signal S 1To these first electrodes Y 1~Y N, wherein, first signal S 1Quantity and the first electrode Y 1~Y NQuantity identical.Fig. 3 is only with first signal S 1Be transferred into respectively two the first electrode Y 1, Y 2Explain.In this, sensing driving circuit 24 is that P-SCAN drives these first electrodes Y 1~Y N, in the namely unit interval, only have first electrode driven.As each first electrode Y 1~Y NBe scanned when driving, sensing driving circuit 24 transmits secondary signal S 2To these second electrodes X 1~X N, namely drive simultaneously these second electrodes X 1~X N, make first signal S 1With secondary signal S 2Work period (duty cycle) overlapping.Wherein, secondary signal S 2Quantity and the second electrode X 1~X NQuantity identical.And sensing driving circuit 24 sensing the second electrode X 1~X NOn signal obtain position of touch to be applied to touch-control and to calculate.And the secondary signal S of the mask signal C of shielding electrode 25 and these the second electrodes 23 2Synchronously.In this, mask signal C and secondary signal S 2Amplitude essence identical, or amplitude is worse than in 10% mutually, so that capacity effect to each other is down to is minimum.In addition, first signal S 1Amplitude greater than secondary signal S 2Amplitude.

Please refer to shown in Figure 5ly, be the secondary signal S in Fig. 5 with sequential chart main difference shown in Figure 4 2Respectively at first signal S 1Just occur afterwards, and both work periods are not overlapping.In this, the mask signal C of shielding electrode 25 and these second electrodes X 1~X NSecondary signal S 2Synchronously.

Please refer to shown in Figure 6ly, be the secondary signal S in Fig. 6 with sequential chart main difference shown in Figure 5 2At first signal S 1Occur afterwards, but both work periods (duty cycle) overlap.In this, the mask signal C of shielding electrode 25 and these second electrodes X 1~X NSecondary signal S 2Synchronously.

Fig. 7 is the schematic side view of another contactor control device 3 of preferred embodiment of the present invention.Contactor control device 3 comprise have a substrate 31, a contact panel 30, a sensing driving circuit 34 and a shielding electrode 35 of a plurality of the first electrode 32 and a plurality of the second electrodes 33.Be with contactor control device 2 main differences, the first electrode 32 of contactor control device 3 and the second electrode 33 lay respectively at the opposite side of substrate 31, and shielding electrode 35 is arranged at a side of the first electrode 32 by an insulation course 36.In this, sensing driving circuit 34 is and the first electrode 32, the second electrode 33 are electrically connected with shielding electrode 35, and the signal of the signal of shielding electrode 35 and these the second electrodes 33 is to synchronize.

Fig. 8 is first electrode 42 of another contactor control device 4 of preferred embodiment of the present invention and the schematic top plan view of the second electrode 43.Be with above-mentioned main difference, the first electrode 42 and the second electrode 43 are to be positioned at same plane.In this, the first electrode 42 and the second electrode 43 have respectively for example rhombus or the tetragonal electrode part of flat shape and bridge part, and these electrode parts are be positioned at same plane and do not connect mutually.In addition, the bridge part of the first electrode 42 and the second electrode 43 overlappings is that an insulation course (figure does not show) is set, with the signal of isolated the first electrode 42 and the second electrode 43.

Fig. 9 A is the schematic side view of another contactor control device 5a of preferred embodiment of the present invention.Be different from above-mentioned aspect, contactor control device 5a more comprises a display panel 57a, and display panel 57a and substrate 21 are oppositely arranged.The present embodiment does not limit the kind of display panel 57a, and it is display panels, organic LED display panel, Plasmia indicating panel, Field Emission Display panel etc. for example.Shielding electrode 25 and produces bridging effect to the signal of display panel 57a between display panel 57a and the first electrode 22 and the second electrode 23.

Fig. 9 B is the schematic side view of another contactor control device 5b of preferred embodiment of the present invention.Be with contactor control device 5a main difference, the shielding electrode 25 of contactor control device 5b be positioned at display panel 57b within, but be arranged in display panel 57b, between community electrode 571 on optical filtering substrate and these the second electrodes 23, and then the signal below 571 produces bridging effect to avoid affecting the signal of the first electrode 22 and the second electrode 23 on common electrode.

In addition, shielding electrode 25 shown in Figure 2 is plane, i.e. pattern-free.Yet shielding electrode of the present invention can have multiple variation aspect, below illustrates with Figure 10 A to Figure 10 C.

Please refer to shown in Figure 10 A, the shielding electrode 25a of the another kind of aspect of preferred embodiment of the present invention is strip, be that shielding electrode 25a has a plurality of strip shaped electric poles section 251, the strip shaped electric poles section 251 parallel intervals of establishing side by side arrange, and by wire 252 connection with the transmission mask signal.Wherein, the pattern that the pattern of the strip shaped electric poles section 251 of shielding electrode 25a can corresponding the second electrode 23; For example, the pattern of a strip shaped electric poles section 251 can design by corresponding many second shared areas of electrode 23.In addition, the shielding electrode 25a of the strip compensating circuit of can arranging in pairs or groups again carries out the compensation of signal, avoiding the distance because of each shielding electrode 25a distance sensing driving circuit, and exerts an influence.Wherein, compensating circuit can be for example for the line route of the mask signal of each strip shaped electric poles section 251 isometric the compensation not.

Please refer to shown in Figure 10 B, Figure 10 B is the first electrode 42a of another contactor control device 4a of preferred embodiment of the present invention and the schematic top plan view of the second electrode 43a.The first electrode 42a and the second electrode 43a are arranged at the isoplanar.Shielding electrode 45a and the first electrode 42a or the second electrode 43a are arranged at the isoplanar; In this, shielding electrode 45a and the first electrode 42a and the second electrode 43a are arranged at the isoplanar.Shielding electrode 45a is formed between the first electrode 42a and the second electrode 43a, and has a plurality of main parts 451 and a plurality of connecting portions 452, and the main part 451 that each connecting portion 452 connects in twos is with the whole shielding electrode 45a of conducting.Certainly, connecting portion 452 is striding across the first electrode 42a or the second electrode 43a place need arrange an insulation course 46a (dotted line place) to reach electrical isolation.In addition, the second electrode 43a that is separated also needs a junction B to come cross-over connection, and connecting portion 452, B can be linear or shaped form; In this, connecting portion 452, B are take linear as example.

Please refer to shown in Figure 10 C, Figure 10 C is the first electrode 42b of another contactor control device 4b of preferred embodiment of the present invention and the schematic top plan view of the second electrode 43b.The first electrode 42b and the second electrode 43b are arranged at the isoplanar.Shielding electrode 45b and the first electrode 42b or the second electrode 43b are arranged at the isoplanar; In this, shielding electrode 45a and the first electrode 42b and the second electrode 43b are arranged at the isoplanar.Shielding electrode 45a is formed between the first electrode 42a and the second electrode 43a, and has a plurality of main parts 453 and a plurality of connecting portions 454, the main part 453 that each connecting portion 454 connects in twos.Certainly, connecting portion 454 is striding across the first electrode 42b or the second electrode 43b place need arrange an insulation course 46b to reach electrical isolation.In addition, the second electrode 43a that is separated also needs a junction B to come cross-over connection, and in this, connecting portion 454, B are snakelike (snake-like), can reach metal and be difficult for reflective effect.In addition, main part 453 shapes of shielding electrode 45b yet main part 451 shapes with Figure 10 B are not identical, in this, be to have the section of expanding as example take main part 453, and connecting portion 454 are to be connected across between two main parts 453.

Figure 11 is the flow chart of steps of driving method of a kind of contactor control device of preferred embodiment of the present invention, and driving method can be applicable to above-mentioned arbitrary contactor control device, is to be applied to contactor control device 2 explain for example in this.Contactor control device 2 comprise have a substrate, a contact panel 20, a shielding electrode 25 and a sensing driving circuit 24 of a plurality of the first electrode 22 and a plurality of the second electrodes 23, this sensing driving circuit 24 is controlled respectively these first electrodes 22, these second electrodes 23 and this shielding electrode 25 that is electrically connected.Driving method comprises: transmit a first signal S 1To these first electrodes Y 1~Y N(S01), transmit a secondary signal S 2To these second electrodes X 1~X N(S02) and transmit a mask signal to shielding electrode 25, mask signal C and first signal S 1And secondary signal S 2One of them person be synchronous (S03).

Wherein, first signal S 1Can give in proper order these first electrodes Y 1~Y N, or give simultaneously these first electrodes Y 1~Y N, secondary signal S 2Can give in proper order these second electrodes X 1~X N, or give simultaneously these second electrodes X 1~X NIn this, first signal S 1In proper order to these first electrodes Y 1~Y N, secondary signal S 2Simultaneously to these second electrodes X 1~X NIn addition, because the other technologies feature of driving method describes in detail in the lump in above-described embodiment, therefore its details repeats no more in this.

In sum, in contactor control device of the present invention and driving method thereof, a mask signal is to be sent to shielding electrode, and one of them person of the secondary signal of the first signal of mask signal and the first electrode and the second electrode is synchronizeed.Whereby, there is no potential difference (PD) between shielding electrode and the first electrode or the second electrode, so that it is zero that the capacity effect of shielding electrode and the first electrode or the second electrode is close to, thereby can reduce contactor control device to the sensing load of electric capacity, and then promotes the touch-control sensitivity of contactor control device.In addition, shielding electrode can to the signal formation capture-effect of display panel, can allow the signal between display panel and contact panel can not interfere with each other.

Figure 12 shows image display system block schematic diagram according to an embodiment of the invention, it may be implemented in above-mentioned arbitrary contactor control device, for example: panel computer (tablet personal computer), projector, e-book, notebook computer, mobile phone, digital camera, personal digital aid (PDA) (PDA), desktop computer, televisor, vehicle display or portable DVD player.And this input block is to be coupled to contactor control device, in order to provide input signal (for example, signal of video signal) to contactor control device, makes the contactor control device show image.

Although the present invention discloses as above with preferred embodiment; so it is not to limit the present invention, any those skilled in the art, without departing from the spirit and scope of the present invention; when can do a little modification and perfect, so protection scope of the present invention is when with being as the criterion that claims were defined.

Claims (21)

1. contactor control device comprises:
One contact panel, this contact panel has:
One substrate;
A plurality of the first electrodes are arranged at this substrate and are intervally installed;
A plurality of the second electrodes are arranged at this substrate and are intervally installed;
One shielding electrode is arranged at a side of this substrate; And
One sensing driving circuit, the signal of controlling this shielding electrode make its with described the first electrode and described second one of them person's of electrode signal for synchronizeing.
2. contactor control device as claimed in claim 1, is characterized in that, described the first electrode and described the second electrode are isoplanar or Different Plane.
3. contactor control device as claimed in claim 1, is characterized in that, described the first electrode be arranged in parallel each other, and described the second electrode be arranged in parallel each other.
4. contactor control device as claimed in claim 1, is characterized in that, described the first electrode and described the second electrode are positioned at the opposite side of this substrate.
5. contactor control device as claimed in claim 1, is characterized in that, described the first electrode and described the second electrode are positioned at the same side of this substrate, and be provided with an insulation course between described the first electrode and described the second electrode.
6. contactor control device as claimed in claim 1, is characterized in that, this shielding electrode is plane or is strip.
7. contactor control device as claimed in claim 1, is characterized in that, this shielding electrode comprises a plurality of main parts and a plurality of connecting portion, and each described connecting portion connects main part in twos.
8. contactor control device as claimed in claim 1, is characterized in that, this shielding layer and described the first electrode or described the second electrode isoplanar.
9. contactor control device as claimed in claim 1 also comprises:
One display panel is oppositely arranged with this substrate.
10. contactor control device as claimed in claim 9, is characterized in that, this display panel has community electrode, and this shielding electrode is between one of them of this common electrode and described the first electrode and described the second electrode.
11. contactor control device as claimed in claim 10 is characterized in that, this shielding electrode is to be arranged on this substrate.
12. contactor control device as claimed in claim 10 is characterized in that, this shielding electrode is arranged on this common electrode.
13. contactor control device as claimed in claim 1, it is characterized in that, this sensing driving circuit transmits a first signal to described the first electrode, transmit a secondary signal to described the second electrode, and transmit a mask signal to this shielding electrode, and this mask signal is synchronizeed with one of them person of this first signal and this secondary signal.
14. the driving method of a contactor control device, it is characterized in that, this contactor control device comprises a plurality of the first electrodes, a plurality of the second electrode, a shielding electrode and a sensing driving circuit, this sensing driving circuit is controlled respectively described first electrode of electric connection, described the second electrode and this shielding electrode, and this driving method comprises:
Transmit a first signal to described the first electrode;
Transmit a secondary signal to described the second electrode; And
Transmit a mask signal to this shielding electrode, this mask signal is synchronizeed with one of them person of this first signal and this secondary signal.
15. the driving method of contactor control device as claimed in claim 14 is characterized in that, this first signal is in proper order to described the first electrode or simultaneously to described the first electrode.
16. the driving method of contactor control device as claimed in claim 14 is characterized in that, this secondary signal is in proper order to described the second electrode or simultaneously to described the second electrode.
17. the driving method of contactor control device as claimed in claim 14 is characterized in that, one of them person of this first signal and this secondary signal is identical in fact with the amplitude of this mask signal.
18. the driving method of contactor control device as claimed in claim 14 is characterized in that, the work period of this secondary signal is overlapping with work period at least a portion of this first signal.
19. the driving method of contactor control device as claimed in claim 14 is characterized in that, the amplitude of this first signal is greater than the amplitude of this secondary signal.
20. an image display system comprises:
Contactor control device as claimed in claim 1; And
One input block is coupled to this contactor control device, in order to provide input signal to this contactor control device, makes this contactor control device show image.
21. image display system as claimed in claim 20 is characterized in that, this image display system comprises:
One panel computer, a projector, an e-book, a notebook computer, a mobile phone, a digital camera, a personal digital assistant, a desktop computer, a televisor, a vehicle display or a portable DVD player.
CN201110420846.7A 2011-12-15 2011-12-15 Touch device and driving method thereof CN103165072B (en)

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Application Number Priority Date Filing Date Title
CN201110420846.7A CN103165072B (en) 2011-12-15 2011-12-15 Touch device and driving method thereof

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CN103165072A true CN103165072A (en) 2013-06-19
CN103165072B CN103165072B (en) 2015-06-24

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TWI579750B (en) * 2016-07-01 2017-04-21 友達光電股份有限公司 Touch panel and method for manufacturing the same

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Publication number Priority date Publication date Assignee Title
CN101587250A (en) * 2009-07-03 2009-11-25 友达光电股份有限公司 Display device and its application method
CN101634915A (en) * 2008-07-21 2010-01-27 奇信电子股份有限公司 Touch detection circuit structure for bistable electronic display
CN101813844A (en) * 2009-02-20 2010-08-25 精工电子有限公司 Touch panel and possess the display device of this touch panel
TW201113779A (en) * 2009-10-07 2011-04-16 Wintek Corp Touch panel and display device using the same

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101634915A (en) * 2008-07-21 2010-01-27 奇信电子股份有限公司 Touch detection circuit structure for bistable electronic display
CN101813844A (en) * 2009-02-20 2010-08-25 精工电子有限公司 Touch panel and possess the display device of this touch panel
CN101587250A (en) * 2009-07-03 2009-11-25 友达光电股份有限公司 Display device and its application method
TW201113779A (en) * 2009-10-07 2011-04-16 Wintek Corp Touch panel and display device using the same

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TWI579750B (en) * 2016-07-01 2017-04-21 友達光電股份有限公司 Touch panel and method for manufacturing the same

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