CN101510137A - Display device and touch control detecting method - Google Patents
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- CN101510137A CN101510137A CNA200910118690XA CN200910118690A CN101510137A CN 101510137 A CN101510137 A CN 101510137A CN A200910118690X A CNA200910118690X A CN A200910118690XA CN 200910118690 A CN200910118690 A CN 200910118690A CN 101510137 A CN101510137 A CN 101510137A
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Abstract
The invention discloses a display unit, which comprises a plurality of pixel cells, a plurality of gate lines, a reading line and a plurality of touch control units. The gate lines are used for determining whether to open the pixel cells; and the touch control units are respectively and electrically coupled to the reading line and corresponding gate lines, and comprise switch elements. When one of the touch control units is touched, the switch element of the touched touch control unit is conducted to couple the waveform of the gate line corresponding to the touched touch control unit to the reading line, and the time sequence of the waveform of the reading line is utilized for judging the position of the touched touch control unit. The invention also provides a touch control detection method, which couples the waveform of the gate line to the reading line and judges the position, quantity and/or touch time span of the touched touch control unit by using the waveform of the reading line.
Description
Technical field
The present invention relates to a kind of display device and touch control detecting method of carrying out the Touch Screen function.
Background technology
Touch Screen provides human-computer interaction a new interface, in the use more intuition, more meet human nature.Indium tin oxide (ITO) the module detection signal of the Touch Screen technology of traditional type by adding has the cost height, contrasts shortcoming low, that module thickness increases.For addressing the above problem, the countermeasure in many panel manufacturings that touch controllable function directly are integrated into display device is suggested.Wherein the Touch Screen of push type (Press type) has and not influenced by ambient light and use the advantage that meets the human nature intuition.For example, by detect thin film transistor (TFT) array (TFT Array) substrate and colored filter (Color Filter, CF) common voltage (Vcom) current potential that is transmitted during substrate contacts comes picked up signal, and then learns the position of pushing; Or utilize the change of pushing the front and back liquid crystal capacitance to cooperate the effect of the common voltage amplitude of oscillation (Vcom swing), the potential difference (PD) that is produced detects pressing position.But, all can't obtain function of multi-spot touch with upper type, there is the restriction on using.
Summary of the invention
One of purpose of the present invention is to provide a kind of display device, can carry out the Touch Screen function and can reach function of multi-spot touch.
A further object of the present invention is to provide a kind of touch control detecting method.
One embodiment of the invention proposes a kind of display device, and it comprises: a plurality of pixel cells, many gate lines, a read line and a plurality of touch control units; These gate lines are used for decision and whether open these pixel cells, and a corresponding person and each touch control unit that these touch control units are electrically coupled to read line and these gate lines respectively comprise an on-off element.Wherein, when one in these touch control units when touched, the on-off element conducting of touched touch control unit, to read line, and the sequential of utilizing the waveform on the read line is to judge the position of touched touch control unit with the waveform of coupling and the touched corresponding gate line of touch control unit.
In an embodiment of the present invention, aforesaid each touch control unit more comprises an inductance capacitance and a liquid crystal capacitance of connecting with inductance capacitance; One first end of inductance capacitance is electrically coupled to the corresponding person in these gate lines, and one second end of inductance capacitance is coupled to a predeterminated voltage by liquid crystal capacitance, and second end of inductance capacitance is electrically coupled to read line by on-off element.
In an embodiment of the present invention, aforementioned each touch control unit more comprises a thin film transistor (TFT), first source/drain electrode of thin film transistor (TFT) is electrically coupled to the corresponding person in these gate lines, second source/drain electrode of thin film transistor (TFT) is electrically coupled to read line, and the grid of thin film transistor (TFT) is suitable for being coupled to a predeterminated voltage by on-off element.Further, first of thin film transistor (TFT) source/drain electrode is by the corresponding person's electric property coupling in an inductance capacitance and these gate lines.
Yet another embodiment of the invention proposes a kind of touch control detecting method, is executed in a display device; Display device comprises a plurality of pixel cells, many gate lines, a read line and a plurality of touch control units; These gate lines are used for decision and whether open these pixel cells, and these touch control units are electrically coupled to the corresponding person in read line and these gate lines respectively.Touch control detecting method comprises step: when at least one touch control unit in these touch control units is touched, be coupled on the read line with the waveform of touched corresponding at least one gate line of at least one touch control unit; And the sequential of utilizing the waveform on the read line is judged the position of at least one touched touch control unit.
In an embodiment of the present invention, aforesaid touch control detecting method more comprises step: utilize waveform on the read line umber of pulse in a predetermined time interval to judge the quantity of at least one touched touch control unit.
In an embodiment of the present invention, aforesaid touch control detecting method more comprises step: utilize the umber of pulse of the waveform of corresponding same gate line in the waveform on the read line to judge the touching time span of at least one touched touch control unit.
A kind of display device that further embodiment of this invention proposes, it comprises one first substrate and one second substrate, second substrate presss from both sides with first substrate establishes a liquid crystal layer.First substrate comprises a gate line, a read line and an electric conductor, is folded with a dielectric layer between electric conductor and the gate line and forms an inductance capacitance, and electric conductor is preset as and does not electrically communicate with read line; Second substrate comprises an electrode layer and one and the electrical connector that is electrically insulated of electrode layer, and the existence because of liquid crystal layer between electrode layer and the aforementioned electric conductor forms a liquid crystal capacitance of connecting with inductance capacitance.Wherein, when an external force acted on electrical connector, electrical connector made electric conductor electrically communicate with read line, with the waveform of coupled gates line to read line.Further, electrical connector can be set to comprise that a thrust and that is based in second substrate covers the conductive layer of thrust.
A kind of display device that another embodiment of the present invention proposes, it comprises one first substrate and one second substrate, second substrate presss from both sides with first substrate establishes a liquid crystal layer.First substrate comprises a gate line, a read line and a thin film transistor (TFT), and first source/drain electrode of thin film transistor (TFT) is electrically coupled to gate line, and second source/drain electrode of thin film transistor (TFT) is electrically coupled to read line; Second substrate comprises an electrical connector, and electrical connector is not preset as and is connected with the grid of thin film transistor (TFT).Wherein, when an external force acted on electrical connector, electrical connector was connected with the grid of thin film transistor (TFT) providing a predeterminated voltage to make the thin film transistor (TFT) conducting, with the waveform of coupled gates line to read line.Further, folder is established a dielectric layer and is formed an inductance capacitance between first of thin film transistor (TFT) source/drain electrode and the gate line; Electrical connector can be set to comprise that a thrust and that is based in second substrate covers the conductive layer of thrust.
The embodiment of the invention is by being coupled to the waveform of gate line on the read line when touch control unit is touched, utilizes waveform on the read line to judge position, quantity and/or the touching time span of touched touch control unit again.For example, utilize the sequential of the waveform on the read line to judge the position of touched touch control unit, utilize the umber of pulse of waveform in predetermined time interval on the read line to judge the quantity of touched touch control unit and utilize the umber of pulse of the waveform of corresponding same gate line in the waveform on the read line to judge the touching time span of touched touch control unit.Therefore, display device that the embodiment of the invention provides and touch control detecting method can be reached function of multi-spot touch, and applicability strengthens greatly.
For above-mentioned and other purposes, feature and advantage of the present invention can be become apparent, preferred embodiment cited below particularly, and cooperate appended accompanying drawing, be described in detail below.
Description of drawings
By reference above stated specification and following accompanying drawing, technical characterictic of the present invention and advantage are obtained to be understood fully.
Fig. 1 is a partial schematic diagram of a kind of display device of embodiment of the invention proposition;
Fig. 2 is a dashed circle enlarged diagram partly that is relevant to Fig. 1 of first embodiment of the invention;
Fig. 3 A and Fig. 3 B are the partial structurtes synoptic diagram that is relevant to the display device shown in Figure 1 of first embodiment of the invention;
Fig. 4 is a dashed circle enlarged diagram partly that is relevant to Fig. 1 of second embodiment of the invention;
Fig. 5 A and Fig. 5 B are the partial structurtes synoptic diagram that is relevant to the display device shown in Figure 1 of second embodiment of the invention;
Fig. 6 is a dashed circle enlarged diagram partly that is relevant to Fig. 1 of third embodiment of the invention;
Fig. 7 A and Fig. 7 B are the partial structurtes synoptic diagram that is relevant to the display device shown in Figure 1 of third embodiment of the invention;
The sequential of utilizing the waveform on the read line that Fig. 8 illustrates a kind of touch control detecting method that the embodiment of the invention proposes is judged the step of the position of touched touch control unit;
Fig. 9 illustrates the umber of pulse of waveform in a predetermined time interval on the read line utilized of touch control detecting method that the embodiment of the invention proposes and judges the step of the quantity of touched touch control unit;
The umber of pulse of utilizing the waveform of corresponding same gate line in the waveform on the read line that Figure 10 illustrates touch control detecting method that the embodiment of the invention proposes is judged the step of the touching time span of touched touch control unit.
Wherein, Reference numeral
10: display device
12: thin-film transistor array base-plate
GLm, GLm+1 ..., Gn: gate line
DL: data line
R1, R2, R3: read line
T1, T2: thin film transistor (TFT)
G: grid
D: drain electrode
S: source electrode
Cst: storage capacitors
Clc: liquid crystal capacitance
C1: inductance capacitance
C2: liquid crystal capacitance
SW: on-off element
Vcom: predeterminated voltage
121: dielectric layer
123: electric conductor
125: discontinuous conductive layer
127: conductive layer
13: liquid crystal layer
14: colored filter substrate
141: electrode layer
143: electrical connector
1430: thrust
1432: conductive layer
T: predetermined time interval
Embodiment
About aforementioned and other technology contents, characteristics and effect of the present invention, in the detailed description of a following cooperation preferred embodiment with reference to the accompanying drawings, can clearly present.The direction term of being mentioned in following examples, for example: upper and lower a, left side or right side etc. only are the directions with reference to attached drawings.Therefore, the direction term of use is to be used for illustrating not to be to be used for limiting the present invention.
Referring to Fig. 1, it is a partial schematic diagram of a kind of display device of embodiment of the invention proposition.Display device 10 comprises a thin-film transistor array base-plate 12, a colored filter substrate (not illustrating among Fig. 1) and is located in liquid crystal layer (not illustrating among Fig. 1) between thin-film transistor array base-plate 12 and the colored filter substrate.
As shown in Figure 1, thin-film transistor array base-plate 12 is provided with many gate lines G Lm, GLm+1 ..., GLn, many data line DL (only illustrating a conduct among Fig. 1 for example) and many read line R1, R2, R3.Data line DL and gate lines G Lm, GLm+1 ..., GLn is arranged in a crossed manner, read line R1, R2, R3 and the substantially parallel setting of data line DL.
Referring to Fig. 2, it is a dashed circle enlarged diagram partly that is relevant to Fig. 1 of first embodiment of the invention.As shown in Figure 2, the crossover location of data line DL and gate lines G Lm is provided with a pixel cell (shown in left-hand broken line frame among Fig. 2), and pixel cell comprises a thin film transistor (TFT) T1, a storage capacitors Cst and a liquid crystal capacitance Clc.The grid of thin film transistor (TFT) T1 is electrically coupled to gate lines G Lm, the drain electrode of thin film transistor (TFT) T1 is electrically coupled to data line DL, and storage capacitors Cst and liquid crystal capacitance Clc are connected in parallel and are electrically coupled between the source electrode and predeterminated voltage Vcom (present embodiment is a common voltage) of thin film transistor (TFT) T1.The crossover location of read line R1 and gate lines G Lm is provided with a touch control unit (shown in right side frame of broken lines among Fig. 2), and touch control unit comprises an on-off element SW, an inductance capacitance C1 and a liquid crystal capacitance C2 who connects with inductance capacitance C1.The end of inductance capacitance C1 is electrically coupled to gate lines G Lm, and the other end of inductance capacitance C1 is coupled to a predeterminated voltage Vcom and is electrically coupled to read line R1 by on-off element SW by liquid crystal capacitance C2.
Referring to Fig. 3 A and Fig. 3 B, it is relevant to a partial structurtes synoptic diagram of the display device 10 of first embodiment of the invention.As shown in Figure 3A, thin-film transistor array base-plate 12 is provided with gate lines G Lm, read line R1, dielectric layer 121, electric conductor 123 and discontinuous conductive layer 125; Establish dielectric layer 121 because of folder between gate lines G Lm and the electric conductor 123 and form as shown in Figure 2 inductance capacitance C1; The part of discontinuous conductive layer 125 and electric conductor 123 be electric property coupling and another part and read line R1 phase electric property coupling mutually, owing to conductive layer 125 is discontinuous electric conductor 123 is not preset as and electrically communicates with read line R1.Colored filter substrate 14 is established liquid crystal layer 13 with thin-film transistor array base-plate 12 folders, and it is provided with electrode layer 141 and electrical connector 143.Electrode layer 141 be as can providing predeterminated voltage Vcom with electrode (for example ITO common electrode) altogether, and forms as shown in Figure 2 liquid crystal capacitance C2 because of the existence of liquid crystal layer 13 between the electric conductor 123 on electrode layer 141 and the thin-film transistor array base-plate 12.Electrical connector 143 is electrically insulated each other with electrode layer 141, and the 125 common on-off element SW that form as shown in Figure 2 of the discontinuous conductive layer on electrical connector 143 and the thin-film transistor array base-plate 12.In the present embodiment, electrical connector 143 is set to comprise that a thrust 1430 and that is based in colored filter substrate 14 covers the conductive layer 1432 of thrust 1430; Conductive layer 1432 can be an ITO layer.
Shown in Fig. 3 B, when an external force acts on electrical connector 143, electrical connector 143 make discontinuous conductive layer 125 respectively with electric conductor 123 and read line R1 two parts of electric property coupling electrically communicate (that is the on-off element SW conducting among Fig. 2) mutually, this moment, electric conductor 123 electrically communicated with read line R1, and the waveform of gate lines G Lm is coupled on the read line R1.
Referring to Fig. 4, it is relevant to the dashed circle enlarged diagram partly of Fig. 1 of second embodiment of the invention.As shown in Figure 4, the crossover location of data line DL and gate lines G Lm is provided with a pixel cell (shown in left-hand broken line frame among Fig. 4), and pixel cell comprises a thin film transistor (TFT) T1, a storage capacitors Cst and a liquid crystal capacitance Clc.The grid of thin film transistor (TFT) T1 is electrically coupled to gate lines G Lm, the drain electrode of thin film transistor (TFT) T1 is electrically coupled to data line DL, and storage capacitors Cst and liquid crystal capacitance Clc are connected in parallel and are electrically coupled between the source electrode and predeterminated voltage Vcom (present embodiment is a common voltage) of thin film transistor (TFT) T1.The crossover location of read line R1 and gate lines G Lm is provided with a touch control unit (shown in right side frame of broken lines among Fig. 4), and touch control unit comprises an on-off element SW and a thin film transistor (TFT) T2.The source electrode of thin film transistor (TFT) T2 is electrically coupled to gate lines G Lm, and the drain electrode of thin film transistor (TFT) T2 is electrically coupled to read line R1, and the grid of thin film transistor (TFT) T1 is suitable for being coupled to predeterminated voltage Vcom by on-off element SW.
Referring to Fig. 5 A and Fig. 5 B, it is a partial structurtes synoptic diagram that is relevant to the display device 10 of second embodiment of the invention.Shown in Fig. 5 A, thin-film transistor array base-plate 12 is provided with gate lines G Lm, read line R1, thin film transistor (TFT) T2 and conductive layer 127; The source S of thin film transistor (TFT) T2 is electrically coupled to gate lines G Lm by conductive layer 127, and the drain D of thin film transistor (TFT) T2 is electrically coupled to read line R1.Colored filter substrate 14 is established liquid crystal layer 13 with thin-film transistor array base-plate 12 folders, and it is provided with electrode layer 141 and electrical connector 143.Electrode layer 141 can provide predeterminated voltage Vcom with electrode (for example ITO common electrode) altogether for conduct.Electrical connector 143 is electrically insulated mutually with electrode layer 141, the common on-off element SW that forms as shown in Figure 4 of the grid G of itself and thin film transistor (TFT) T2.Electrical connector 143 is not preset as and is connected with the grid G of thin film transistor (TFT) T2.In the present embodiment, electrical connector 143 is set to comprise that a thrust 1430 and that is based in colored filter substrate 14 covers the conductive layer 1432 of thrust 1430; Conductive layer 1432 can be an ITO layer.
Shown in Fig. 5 B, when an external force acts on electrical connector 143, electrical connector 143 be connected with the grid G of thin film transistor (TFT) T2 (that is the on-off element SW conducting among Fig. 4) make thin film transistor (TFT) T2 conducting so that a predeterminated voltage Vcom to be provided, be coupled on the read line R1 with waveform gate lines G Lm.
Referring to Fig. 6, it is a dashed circle enlarged diagram partly that is relevant to Fig. 1 of third embodiment of the invention.As shown in Figure 6, itself and Fig. 4 are basic identical, and the crossover location of data line DL and gate lines G Lm is provided with a pixel cell (shown in left-hand broken line frame among Fig. 6), and pixel cell comprises a thin film transistor (TFT) T1, a storage capacitors Cst and a liquid crystal capacitance Clc.The crossover location of read line R1 and gate lines G Lm is provided with a touch control unit (shown in right side frame of broken lines among Fig. 6), and touch control unit comprises an on-off element SW and a thin film transistor (TFT) T2.Difference is: the source electrode of thin film transistor (TFT) T2 shown in Figure 6 is electrically coupled to gate lines G Lm by an inductance capacitance C1, but not as shown in Figure 4 directly be coupled to gate lines G Lm.
Referring to Fig. 7 A and Fig. 7 B, it is a partial structurtes synoptic diagram that is relevant to the display device 10 of third embodiment of the invention.Shown in Fig. 7 A, thin-film transistor array base-plate 12 is provided with gate lines G Lm, read line R1, thin film transistor (TFT) T2 and dielectric layer 121; The source S of thin film transistor (TFT) T2 and gate lines G Lm establish dielectric layer 121 because of folder and form as shown in Figure 6 inductance capacitance C1, and the drain D of thin film transistor (TFT) T2 is electrically coupled to read line R1.Colored filter substrate 14 is established liquid crystal layer 13 with thin-film transistor array base-plate 12 folders, and it is provided with electrode layer 141 and electrical connector 143.Electrode layer 141 is as providing predeterminated voltage Vcom with electrode (for example ITO common electrode) altogether.Electrical connector 143 is electrically insulated mutually with electrode layer 141, the common on-off element SW that forms as shown in Figure 6 of the grid G of itself and thin film transistor (TFT) T2.Electrical connector 143 is not preset as and is connected with the grid G of thin film transistor (TFT) T2.In the present embodiment, electrical connector 143 is set to comprise that a thrust 1430 and that is based in colored filter substrate 14 covers the conductive layer 1432 of thrust 1430; Conductive layer 1432 can be an ITO layer.
Shown in Fig. 7 B, when an external force acts on electrical connector 143, electrical connector 143 be connected with the grid G of thin film transistor (TFT) T2 (that is the on-off element SW conducting among Fig. 6) make thin film transistor (TFT) T2 conducting so that a predeterminated voltage Vcom to be provided, be coupled on the read line R1 with waveform gate lines G Lm.
Referring to Fig. 8, Fig. 9 and Figure 10, specifically describe a kind of touch control detecting method that is executed in display device 10 shown in Figure 1 below in conjunction with correlative type.
As shown in Figure 8, when display device 10 the touch control unit of electric property coupling is touched mutually with gate lines G Lm+1 and read line R2 the time, the waveform of the corresponding gate lines G Lm+1 of touch control unit will be coupled on the read line R2 therewith; Therefore can learn that from Fig. 8 the pulse in the waveform on the read line R2 appears at the position of the waveform of corresponding gate lines G Lm+1, can judge that according to the position (that is sequential of waveform) of the pulse in the waveform on the read line R2 touch control unit of electric property coupling is touched mutually with gate lines G Lm+1 and read line R2.In brief, utilize the sequential of the waveform on the read line can judge the position of touched touch control unit.
As shown in Figure 9, when having only single touch control unit touched, the umber of pulse of the waveform on the read line R2 in predetermined time interval T is one; When two touch control units were touched, the umber of pulse of the waveform on the read line R2 in predetermined time interval T had two; When three touch control units were touched, the umber of pulse of the waveform on the read line R2 in predetermined time interval T had three, by that analogy.In other words, utilize the umber of pulse of waveform in a predetermined time interval on the read line can judge the quantity of touched touch control unit.Need to prove, when a plurality of touch control units are touched, a plurality of touch control units of being touched are not limited in a plurality of touch control units that are electrically coupled to same read line as shown in Figure 9, and these touched touch control units also can be a plurality of touch control units that are electrically coupled to different read lines.
As shown in figure 10, display device 10 the touch control unit of electric property coupling is touched mutually with gate lines G Lm+1 and read line R2, the umber of pulse of the waveform of corresponding gate lines G Lm+1 is two in the waveform on the read line, and the touching time span that can judge touch control unit in view of the above is 2T.In other words, utilize the umber of pulse of the waveform of corresponding same gate line in the waveform on the read line can judge the touching time span of touched touch control unit.
Total the above, previous embodiment of the present invention is by being coupled to the waveform of gate line on the read line when touch control unit is touched, utilizes waveform on the read line to judge position, quantity and/or the touching time span of touched touch control unit again.For example, utilize the sequential of the waveform on the read line to judge the position of touched touch control unit, utilize the umber of pulse of waveform in predetermined time interval on the read line to judge the quantity of touched touch control unit and utilize the umber of pulse of the waveform of corresponding same gate line in the waveform on the read line to judge the touching time span of touched touch control unit.Therefore, display device that previous embodiment of the present invention provides and touch control detecting method can be reached function of multi-spot touch, and applicability is strengthened greatly.
In addition, those skilled in the art also can do suitable change to display device and touch control detecting method that previous embodiment of the present invention proposes, for example the structural arrangements of appropriate change pixel cell and/or touch control unit, with the electrical connection exchange of each transistorized source electrode and drain electrode, the structural arrangements of thin-film transistor array base-plate and/or structural arrangements of colored filter substrate or the like.
Certainly; the present invention also can have other various embodiments; under the situation that does not deviate from spirit of the present invention and essence thereof; those of ordinary skill in the art work as can make various corresponding changes and distortion according to the present invention, but these corresponding changes and distortion all should belong to the protection domain of the appended claim of the present invention.
Claims (12)
1. a display device is characterized in that, comprising:
A plurality of pixel cells;
Many gate lines are used for decision and whether open described pixel cell;
One read line; And
A plurality of touch control units are electrically coupled to a corresponding person of this read line and described gate line respectively, and each described touch control unit comprises an on-off element;
Wherein, when one in the described touch control unit when touched, this on-off element conducting of this touched touch control unit, to this read line, and the sequential of utilizing the waveform on this read line is to judge the position of this touched touch control unit with the waveform of coupling and corresponding this gate line of touched this touch control unit.
2. display device according to claim 1 is characterized in that, each described touch control unit also comprises an inductance capacitance and a liquid crystal capacitance of connecting with this inductance capacitance; One first end of this inductance capacitance is electrically coupled to the corresponding person in the described gate line, one second end of this inductance capacitance is coupled to a predeterminated voltage by this liquid crystal capacitance, and this second end of this inductance capacitance is electrically coupled to this read line by this on-off element.
3. display device according to claim 1, it is characterized in that, each described touch control unit also comprises a thin film transistor (TFT), first source/drain electrode of this thin film transistor (TFT) is electrically coupled to the corresponding person in the described gate line, second source/drain electrode of this thin film transistor (TFT) is electrically coupled to this read line, and the grid of this thin film transistor (TFT) is suitable for being coupled to a predeterminated voltage by this on-off element.
4. display device according to claim 3 is characterized in that, this of this thin film transistor (TFT) first source/drain electrode is by the corresponding person's electric property coupling in an inductance capacitance and the described gate line.
5. touch control detecting method, be executed in a display device, it is characterized in that, this display device comprises a plurality of pixel cells, many gate lines, a read line and a plurality of touch control units, described gate line is used for decision and whether opens described pixel cell, and described touch control unit is electrically coupled to the corresponding person in this read line and the described gate line respectively; This touch control detecting method comprises step:
When at least one touch control unit in the described touch control unit was touched, the waveform of coupling and corresponding at least one this gate line of this at least one touch control unit was to this read line; And
Utilize the sequential of the waveform on this read line to judge the position of this touched at least one touch control unit.
6. touch control detecting method according to claim 5 is characterized in that, also comprises step:
Utilize waveform on this read line umber of pulse in a predetermined time interval to judge the quantity of this touched at least one touch control unit.
7. touch control detecting method according to claim 5 is characterized in that, also comprises step:
Utilize in the waveform on this read line the umber of pulse of the waveform of corresponding same this gate line to judge the touching time span of this touched at least one touch control unit.
8. display device is characterized in that it comprises:
One first substrate comprises a gate line, a read line and an electric conductor, is folded with a dielectric layer between this electric conductor and this gate line and forms an inductance capacitance, and this electric conductor is preset as and does not electrically communicate with this read line; And
One second substrate, press from both sides with this first substrate and to establish a liquid crystal layer, this second substrate comprises an electrode layer and one and the electrical connector that is electrically insulated of this electrode layer, and the existence because of this liquid crystal layer between this electrode layer and this electric conductor forms a liquid crystal capacitance of connecting with this inductance capacitance;
Wherein, when an external force acted on this electrical connector, this electrical connector made this electric conductor electrically communicate with this read line, with the waveform of this gate line that is coupled to this read line.
9. display device according to claim 8 is characterized in that, this electrical connector comprises that a thrust and that is based in this second substrate covers the conductive layer of this thrust.
10. display device is characterized in that it comprises:
One first substrate comprises a gate line, a read line and a thin film transistor (TFT), and first source/drain electrode of this thin film transistor (TFT) is electrically coupled to this gate line, and second source/drain electrode of this thin film transistor (TFT) is electrically coupled to this read line; And
One second substrate presss from both sides with this first substrate and to establish a liquid crystal layer, and this second substrate comprises an electrical connector, and this electrical connector is not preset as and is connected with the grid of this thin film transistor (TFT);
Wherein, when an external force acted on this electrical connector, this electrical connector was connected with the grid of this thin film transistor (TFT) providing a predeterminated voltage to make this thin film transistor (TFT) conducting, with the waveform of this gate line that is coupled to this read line.
11. display device according to claim 10 is characterized in that, folder is established a dielectric layer and is formed an inductance capacitance between this of this thin film transistor (TFT) first source/drain electrode and this gate line.
12. display device according to claim 10 is characterized in that, this electrical connector comprises that a thrust and that is based in this second substrate covers the conductive layer of this thrust.
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| CN101901076A (en) * | 2010-07-12 | 2010-12-01 | 明基电通有限公司 | Disturbing signal position detecting device, touch-control display system and relevant operation method |
| CN101957510A (en) * | 2010-09-30 | 2011-01-26 | 友达光电股份有限公司 | Touch sensing device and touch sensing method |
| CN102033348A (en) * | 2009-09-29 | 2011-04-27 | 乐金显示有限公司 | Liquid crystal display device |
| CN102096500A (en) * | 2009-12-15 | 2011-06-15 | 矽统科技股份有限公司 | Touch sensing method for detecting positions of touching of touch sensor |
| CN102183853A (en) * | 2011-05-20 | 2011-09-14 | 北京京东方光电科技有限公司 | Touch liquid crystal display screen |
| CN102346597A (en) * | 2011-10-14 | 2012-02-08 | 友达光电股份有限公司 | Method for judging touch position of touch panel |
| CN102043503B (en) * | 2009-10-23 | 2012-06-27 | 奇景光电股份有限公司 | Reading device and multichannel reading device for touch-control panel |
| CN102650914A (en) * | 2011-08-18 | 2012-08-29 | 北京京东方光电科技有限公司 | Liquid crystal touch screen and manufacturing method thereof |
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