CN101510037B - LCD panel - Google Patents
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- CN101510037B CN101510037B CN2009101295748A CN200910129574A CN101510037B CN 101510037 B CN101510037 B CN 101510037B CN 2009101295748 A CN2009101295748 A CN 2009101295748A CN 200910129574 A CN200910129574 A CN 200910129574A CN 101510037 B CN101510037 B CN 101510037B
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Abstract
The invention provides a liquid crystal display panel, comprising an array substrate, a color filter substrate and a liquid crystal layer which is sealed between the array substrate and the color filter substrate; the touch-control area comprises a thin film transistor and a touch-control switch; the thin film transistor comprises a grid, a source electrode and a drain electrode, the grid is electrically connected with a scanning line, and the drain electrode is electrically connected with a signal detecting line; the touch-control switch comprises a first electrode, a second electrode and a semiconductor layer which are positioned on the array substrate, and a touch-control electrode which is positioned on the color filter substrate and correspondingly arranged above the semiconductor layer; wherein, the first electrode of the touch-control switch is electrically connected with a signal line, and the second electrode is electrically connected with the source electrode of the thin film transistor. By the structure of the touch-control area arranged in the liquid crystal display panel, the determination to the touch position is realized, and all the structures are finished in the conventional film manufacturing technique, therefore, additional liquid crystal display panels are not needed, thus being beneficial to lightening and thinning of liquid crystal display panels.
Description
Technical field
The present invention relates to technical field of liquid crystal display, particularly a kind of touch-control liquid crystal display panel.
Background technology
Growing along with science and technology, mobile phone, personal digital assistant (Personal DigitalAssistance, PDA), digitization tools such as notebook computer develops towards direction convenient, multi-functional and attractive in appearance, wherein display screen is man-machine communication interface indispensable in these equipment, at present, the display screen of main flow adopts liquid crystal indicator.
On the other hand, fast development and application along with infotech, radio mobile communication and information household appliances, in order to reach more convenient, lighter and handier and more humane purpose, many information products are by device inputs such as traditional keyboard or mouses, transfer to and use touch panel (Touch Panel) as input media, wherein touch control type LCD device more becomes main product.
Whether touch control type LCD device detects by detecting device has external force to put on the display panels surface, and accurately detects the position signalling (or claiming coordinate) that external force puts on the display panels surface, thereby controls the displaying contents of liquid crystal indicator.
At present, touch control type LCD device can adopt many different touch technologies to realize, for example condenser type, resistance-type, acoustic wave and infrared-type (optical profile type) etc.The touch control type LCD device that often use general present public arena is surperficial additional configuration one contact panel at display panels,
Contact panel and display panels fit together the realization touch-input function, but will certainly increase the general thickness and the weight of liquid crystal indicator like this, can't satisfy the demand of slimization of electronic equipment.Moreover, increase a slice contact panel and will reduce the penetrance of backlight of display device, thereby cause brightness and contrast's reduction.In addition, increasing contact panel on traditional display panels also can corresponding increase cost of parts and manufacturing cost.
Summary of the invention
The problem that the present invention solves provides a kind of in light weight, touch-control liquid crystal display panel that thickness is little.
For addressing the above problem, the invention provides a kind of display panels, comprising:
Array base palte;
Colored filter substrate is oppositely arranged with described array base palte;
Liquid crystal layer is closed between described array base palte and the colored filter substrate;
Described array base palte comprises:
Sweep trace,
Data line, with described sweep trace cross arrangement,
Signal detection line,
The common electrical bit line is used to provide reference voltage;
The touch area,
Comprise in the described touch area: thin film transistor (TFT) and touch switch,
Described thin film transistor (TFT) comprises grid, source electrode, drain electrode, and its grid electrically connects described sweep trace, and its drain electrode electrically connects described signal detection line,
Touch switch comprises first electrode, second electrode, the semiconductor layer that is positioned on the array base palte and is positioned at touch-control electrode on the colored filter substrate, described touch-control electrode is corresponding to the top of described semiconductor layer, first electrode of wherein said touch switch electrically connects a signal wire, and second electrode electrically connects the source electrode of described thin film transistor (TFT).
Described touch switch also comprises gate electrode, and described gate electrode is arranged on the below of the semiconductor layer of described touch switch, and the gate electrode of described touch switch electrically connects different sweep traces with the grid of described thin film transistor (TFT).
Described signal wire is the common electrical bit line.
Described signal wire is a sweep trace.
Described colored filter substrate also comprises public electrode, and described touch-control electrode is the part of public electrode.
Also be provided with a projection at described colored filter substrate towards a side of liquid crystal layer, described touch-control electrode is formed on the surface of described projection.
Described colored filter substrate also includes both alignment layers, and described touch-control electrode comes out from described both alignment layers.
Between second electrode of described touch switch and described signal detection line, also be provided with touch control capacitance.
Also be provided with peripheral circuit outside described display panels viewing area, described peripheral circuit provides a fixing voltage signal for signal detection line.
Described sweep trace and described data line square crossing are arranged and are limited a plurality of pixel regions, wherein every three pixel regions a described touch area are set.
Described display panels also comprises: detecting device, be positioned at outside the viewing area of described display panels, and described detecting device and described signal detection line are electrical connected.
Compared with prior art, described display panels is realized determining touch location by being arranged on structures such as thin film transistor (TFT) in the display panels touch area and touch switch, these structures all are to finish in the thin film fabrication technology of routine, therefore needn't increase contact panel separately in the display panels outside, thereby help the lightness and the slimming of display panels.
Description of drawings
Shown in accompanying drawing, above-mentioned and other purpose, feature and advantage of the present invention will be more clear.Reference numeral identical in whole accompanying drawings is indicated identical part.Painstakingly do not draw accompanying drawing, focus on illustrating purport of the present invention by physical size equal proportion convergent-divergent.
Fig. 1 is the equivalent circuit diagram of display panels in one embodiment of the present invention;
Fig. 2 is the partial enlarged drawing of pixel region among Fig. 1;
Fig. 3 is the partial enlarged drawing of touch area among Fig. 1;
Fig. 4 is the side sectional view of touch switch among Fig. 3;
The side sectional view of touch switch when Fig. 5 puts on display panels for external force;
Fig. 6 is the synoptic diagram of the detecting device of display panels.
Fig. 7 is the partial enlarged drawing of touch area in the another embodiment of the invention.
Embodiment
For above-mentioned purpose of the present invention, feature and advantage can be become apparent more, the specific embodiment of the present invention is described in detail below in conjunction with accompanying drawing.
Set forth a lot of details in the following description so that fully understand the present invention, implement but the present invention can also adopt other to be different from alternate manner described here, so the present invention has not been subjected to the restriction of following public specific embodiment.
Secondly, the present invention is described in detail in conjunction with synoptic diagram, when the embodiment of the invention is described in detail in detail; for ease of explanation; the sectional view of indication device structure can be disobeyed general ratio and be done local the amplification, and described synoptic diagram is example, and it should not limit the scope of protection of the invention at this.The three dimensions size that in actual fabrication, should comprise in addition, length, width and the degree of depth.
Below describe the embodiment of described display panels in detail.
Fig. 1 is the equivalent circuit diagram of display panels in the first embodiment of the invention, for ease of explanation, has only illustrated the structure of array base palte side among the figure, has omitted colored filter substrate.As shown in the figure, liquid crystal display panel array substrate comprises that multi-strip scanning line 11 (only illustrates G among the figure
N-1, G
nAnd G
N+1Article three) with many data lines 12, described multi-strip scanning line 11 is arranged with many data line 12 square crossings and is also limited a plurality of pixel regions 100, and the position parallel with sweep trace 11 also is provided with common electrical bit line V
Com
Fig. 2 is the partial enlarged drawing of pixel region 100 among Fig. 1.As shown in the figure, described pixel region 100 comprises: and thin film transistor (TFT) (Thin Film Transistor, TFT) 101, link to each other with data line 12 with sweep trace 11; Pixel electrode 104 links to each other with described thin film transistor (TFT) 101; By pixel electrode 104 and common electrical bit line V
ComThe memory capacitance 102 that constitutes; And, the liquid crystal capacitance 103 that constitutes by pixel electrode 104 and the public electrode that is arranged in the colored filter substrate (not shown).
Wherein, described thin film transistor (TFT) 101 comprises grid, source electrode, drain electrode and semiconductor layer (among the figure not label), and its grid electrically connects sweep trace G
n, its source electrode electrically connects data line 12, and its drain electrode electrically connects pixel electrode 104.
As depicted in figs. 1 and 2, in the time of described display panels work, multi-strip scanning line 11 can be scanned successively, as sweep trace G
nWhen being scanned, its pairing thin film transistor (TFT) 101 is opened, and at this moment, the data-signal on the data line 12 is transferred to pixel electrode 104 by thin film transistor (TFT) 101, liquid crystal capacitance 103 and memory capacitance 102 are charged, thereby realize the normal demonstration of this pixel region 100; As sweep trace G
nBe scanned finish after, its pairing thin film transistor (TFT) 101 is closed, at this moment, 102 pairs of liquid crystal capacitances of memory capacitance 103 power supply, thus keep the show state of pixel region 100.
As shown in Figure 1, the display panels in the present embodiment also comprises: the signal detection line 13 of touch area 110 and described touch area 110 correspondences.Wherein, signal detection line 13 be arranged in parallel with data line 12, with sweep trace 11 square crossing settings; Described touch area 110 is limited by described data line 12, signal detection line 13 and two described sweep traces 11 at least.
In the present embodiment, touch area 110 is arranged at a side of pixel region 100, every at least one pixel region 100 touch area 110 is set.For example, show for general colour, each display unit is made up of three pixel regions of red, green, blue, therefore, preferably, every three pixel regions of red, green, blue a touch area 110 (also promptly, every red, green, blue three row pixel regions one row touch area being set) is set, and touch area 110 can be adjacent with arbitrary pixel region in three pixel regions of red, green, blue.Among other embodiment of the present invention, also can the touch area all be set, promptly a touch area be set, perhaps a touch area is set every the certain number of pixels zone every a pixel region in each pixel region one side.
Fig. 3 is the partial enlarged drawing of touch area 110 among Fig. 1, as shown in the figure, touch area 110 comprises: thin film transistor (TFT) 111 and touch switch 112, and wherein thin film transistor (TFT) 111 comprises: grid 111a, source electrode 111b, drain electrode 111c and semiconductor layer (not shown); Wherein grid 111a electrically connects sweep trace Gn-1, and drain electrode 111c electrically connects signal detection line 13; Signal detection line 13 under normal circumstances (when not being subjected to external force) can not apply voltage, also can outside the display panels viewing area peripheral circuit be set, and provides a fixing voltage signal by this peripheral circuit for signal detection line.
Fig. 4 is the cut-open view of display panels described in the present embodiment, is the characteristics of outstanding present embodiment, only shows the part of touch area among the figure.As shown in the figure, described display panels comprises: array base palte 210 with the colored filter substrate 220 that described array base palte 210 is oppositely arranged, is closed in the liquid crystal layer (not shown) between described array base palte 210 and the colored filter substrate 220.
As shown in Figure 4, LCD array substrate 210 comprises: glass substrate 211, be formed on the gate electrode 112a of glass substrate 211 towards liquid crystal layer one side, cover the gate insulator 213 on the described gate electrode 112a, be positioned on the described gate insulator 213, the semiconductor layer 214 directly over the corresponding gate electrode 112a, respectively with the described semiconductor layer 214 partly overlapping first electrode 112b and the second electrode 112c, cover the passivation layer 217 of the described first electrode 112b and the second electrode 112c, and, the both alignment layers 218 of next-door neighbour's liquid crystal layer.Colored filter substrate 220 comprises: glass substrate 221, be formed on the black matrix" 222 of glass substrate 221 towards liquid crystal layer one side, cover the insulation course 223 on black matrix" 222 surfaces, cover the public electrode 225 on described insulation course 223 surfaces, cover the both alignment layers 226 on described public electrode 225 surfaces.
Described colored filter substrate 220 also comprises: touch-control electrode 112d, be positioned at the side of colored filter substrate 220 towards described liquid crystal layer, from looking perpendicular to the direction of colored filter substrate 220, this touch-control electrode 112b is corresponding to the top of described semiconductor layer, concrete touch-control electrode 112b be positioned at semiconductor layer 214 directly over.Can contact or leave the touch area of described array base palte to this touch-control electrode of effect 112d of colored filter substrate 220 by external force.In fact touch switch 112 in the present embodiment can be regarded as the thin film transistor (TFT) with two grids.The first electrode 112b of this touch switch, the second electrode 112c, semiconductor layer 214 have constituted a special thin film transistor (TFT) with the touch-control electrode 112d that is positioned on the colored filter substrate 220.Under the state that does not have the touch LCD display panel, as shown in Figure 4, the touch-control electrode 112d and the first electrode 112b, the second electrode 112c are separated insulation by liquid crystal layer, and this touch switch 112 is in closed condition; Under the state of touch LCD display panel, as shown in Figure 5, under the effect of external force F, described touch-control electrode 112d contacts with LCD array substrate 210, under the effect of touch-control electrode 112d, semiconductor layer 214 can produce induced charge, and the passage of semiconductor layer is opened, thereby makes this touch switch 112 be in open mode.
Preferably, in order to ensure when the no external force F, the pathway closure of semiconductor layer, can not produce induced charge because of other reason (as capacitive coupling), this touch switch 112 also comprises a gate electrode 112a, and it electrically connects sweep trace Gn, and this sweep trace Gn is in low level Vgl state in most of times, therefore under the normal condition, the semiconductor layer that is positioned at its top can not produce induced charge and passage is opened.
Preferably, in this enforcement, between the second electrode 112c of signal detection line 13 and touch switch 112 touch control capacitance 15 is set, two electrodes of this touch control capacitance 15 electrically connect the second electrode 112c of signal detection line 13 and touch switch 112 respectively.Because the setting of this touch control capacitance 15 can be after touch switch 112 be opened, before sweep trace Gn-1 was scanned, common electrical bit line Vcom had time enough to touch control capacitance 15 chargings.When sweep trace Gn-1 was scanned thin film transistor (TFT) 111 and is opened, touch control capacitance 15 can discharge, thereby the voltage signal on the signal detection line 13 is changed.
Touch-control electrode 112d in the present embodiment, can be extra being formed on the colored filter substrate, be independent of the public electrode on the colored filter substrate, but it is preferred, described touch-control electrode 112d is the part of colored filter substrate public electrode, needn't additionally make the touch-control electrode like this, help reducing cost.
More preferred, as shown in Figure 4 and Figure 5, with semiconductor layer 214 directly over corresponding position colored filter substrate 220 be provided with projection 224, touch-control electrode 112d is formed on the side towards liquid crystal layer of projection 224, as touch-control electrode 112d is the part of public electrode 225, then public electrode 225 covers insulation course 223 and projection 224 surfaces, is the touch-control electrode 112d of touch switch 112 in the part of the public electrode 225 on projection 224 surfaces.Like this, distance between touch-control electrode 112d and the array base palte 210 is less than the array base palte of other positions and the distance between the colored filter substrate, only need apply less external force and can make touch-control electrode 112d contact, help improving sensitivity and reliability with array base palte 210.
Preferred, enough height that projection 224 can be done, make both alignment layers 226 can't be formed on the touch-control electrode 112d, that is, make touch-control electrode 112d from both alignment layers 226, come out, can reduce the thickness of the insulation course between touch-control electrode 112d and the semiconductor layer 214 when touch-control electrode 112d contacts with array base palte 210 like this, it is more easy to make that semiconductor layer produces induced charge.
In order further to improve sensitivity, can also increase the channel width-over-length ratio of described touch switch simultaneously.
Described display panels can also comprise: detecting device is positioned at the demonstration of described display panels
The zone is peripheral, and described detecting device is connected with described signal detection line.
The principle of work of this display panels is as follows in the foregoing description:
In conjunction with Fig. 3 and shown in Figure 4, under normal situation about showing, no external force is applied on the colored filter substrate 220, therefore LCD array substrate 210 maintains a certain distance with colored filter substrate 220, touch-control electrode 112d on the colored filter substrate 220 does not contact with LCD array substrate 210, at this moment, owing to G in a frame picture
N-1With G
nCan do not scanned simultaneously, so signal detection line 13 no-voltage signals spread out of or what transmit is a voltage signal that sets in advance.Concrete, as shown in Figure 3, as sweep trace G
N-1Be scanned and be in high voltage V
GhThe time, sweep trace G
nBe low-voltage V
Gl, this moment, thin film transistor (TFT) 111 was opened, and touch switch 112 is because low-voltage V
GlBe in closed condition, so common electrical bit line V
ComSignal, can't be transferred on the signal detection line 13; In like manner, as sweep trace G
nBe scanned and be in high voltage V
GhThe time, sweep trace G
N-1Be low-voltage V
Gl, at this moment, touch switch 112 is opened, but thin film transistor (TFT) 111 is in closed condition, so common electrical bit line V
ComSignal, still can't be transferred on the signal detection line 13.
When external pressure F acted on display panels, for example under touch condition, the distance between LCD array substrate 210 and the filter sheet base plate 220 was changed, and this moment, touch switch 112 meetings be opened under the effect of touch-control electrode 112d.Be illustrated in figure 5 as the situation that touch switch 112 is opened under the state of pressing, as shown in the figure, LCD array substrate 210 contacts under external force with colored filter substrate 220, concrete, position at touch-control electrode 112d, both alignment layers 218 on the array base palte 210 contacts with both alignment layers 226 on the filter sheet base plate 220, therefore the distance of touch-control electrode 112d and semiconductor layer 214 diminishes, under the effect of the voltage (common electric voltage) of touch-control electrode 112d, semiconductor layer 214 can produce induced charges, and the passage between therefore between the first electrode 112b and the second electrode 112c is opened, and in general, the time of external touch can be much larger than the scanning required time of one frame picture, therefore, as shown in Figure 3, touch switch 112 is opened under the effect of touch-control electrode 112d, so, as sweep trace G
N-1Be scanned and make when thin film transistor (TFT) 111 is opened common electrical bit line V
ComSignal can be transferred on the signal detection line 13, the detecting device that is arranged on the periphery, viewing area can detect the change in voltage on the signal detection line 13.
As shown in Figure 6, in the present embodiment, the detecting device of display panels specifically comprises: detection module 301, signal amplification module 302, noise cancellation module 303 and coordinate determination module 304; Wherein,
Described detection module 301 is used for obtaining detection signal from signal detection line,
Described signal amplification module 302, the detection signal that is used to receive described detection signal and obtains amplification,
Described noise cancellation module 303 is used for eliminating the noise of the detection signal of amplification,
Described coordinate determination module 304 is used for being determined by coordinate signal X, the Y coordinate of described touch location.
Because sweep trace 11 is scanned successively, as sweep trace G
N-1When being scanned, detecting device can detect output signal by signal detection line 13, therefore, can determine that external force puts on the coordinate position of display panels (with the behavior horizontal ordinate at this sweep trace place, the ordinate of classifying as with the signal detection line place), thus can determine touch location.
The first electrode 112b of touch switch 112 can electrically connect common electrical bit line Vcom (this moment, the common electrical bit line was as the signal wire that detection signal is provided) among the present invention, in another embodiment of the present invention, also can electrically connect other signal wire.As shown in Figure 7, the first electrode 112b of touch switch 112 electrically connects sweep trace Gn-1.Therefore, when external force puts on display panels, make touch switch 112 under the effect of touch-control electrode 112d, open, when sweep trace Gn-1 is scanned and is in high voltage Vgh, the voltage signal of sweep trace Gn-1 is transferred on the signal detection line 13 by touch switch 112 and thin film transistor (TFT) 111, outside detecting device detects voltage signal to be changed, thereby determines the position that external force applies.
Preferably, in this enforcement, between the second electrode 112c of signal detection line 13 and touch switch 112 touch control capacitance 15 is set, two electrodes of this touch control capacitance 15 electrically connect the second electrode 112c of signal detection line 13 and touch switch 112 respectively.
This shows, LCD array substrate among the above embodiment and display panels, realize determining by the structures such as touch-control electrode, thin film transistor (TFT) and touch switch that are arranged in array base palte and the filter sheet base plate to touch location, these structures all are to finish in the thin film fabrication technology of routine, only changing the mask pattern can realize, therefore needn't increase contact panel separately in the display panels outside, thereby help the lightness and the slimming of display panels.
Need to prove, it will be appreciated by those skilled in the art that, just schematically, wherein the common electrical bit line also can be arranged in parallel with data line in the position of described common electrical bit line of above embodiment and signal detection line, and signal detection line also can be arranged in parallel with sweep trace; Common electrical bit line and signal detection line also can all be arranged in parallel with data line or sweep trace.
The structure of touch area can combine with various types of display panels in the foregoing description, forms touch-control liquid crystal display panel.
The above only is preferred embodiment of the present invention, is not the present invention is done any pro forma restriction.
Though the present invention discloses as above with preferred embodiment, yet be not in order to limit the present invention.Any those of ordinary skill in the art, do not breaking away under the technical solution of the present invention scope situation, all can utilize the method and the technology contents of above-mentioned announcement that technical solution of the present invention is made many possible changes and modification, or be revised as the equivalent embodiment of equivalent variations.Therefore, every content that does not break away from technical solution of the present invention, all still belongs in the scope of technical solution of the present invention protection any simple modification, equivalent variations and modification that above embodiment did according to technical spirit of the present invention.
Claims (10)
1. a display panels is characterized in that, comprising:
Array base palte;
Colored filter substrate is oppositely arranged with described array base palte;
Liquid crystal layer is closed between described array base palte and the colored filter substrate;
Described array base palte comprises:
Sweep trace,
Data line, with described sweep trace cross arrangement,
Signal detection line,
The common electrical bit line is used to provide reference voltage;
The touch area,
Comprise in the described touch area: thin film transistor (TFT) and touch switch,
Described thin film transistor (TFT) comprises grid, source electrode, drain electrode, and its grid electrically connects described sweep trace, and its drain electrode electrically connects described signal detection line,
Touch switch comprises first electrode, second electrode, the semiconductor layer that is positioned on the array base palte and is positioned at touch-control electrode on the colored filter substrate, described touch-control electrode is corresponding to the top of described semiconductor layer, first electrode of wherein said touch switch electrically connects a signal wire, and second electrode electrically connects the source electrode of described thin film transistor (TFT);
Described display panels also comprises detecting device, and described detecting device is positioned at outside the viewing area of described display panels, and described detecting device and described signal detection line are electrical connected.
2. display panels as claimed in claim 1, it is characterized in that, described touch switch also comprises gate electrode, and described gate electrode is arranged on the below of the semiconductor layer of described touch switch, and the gate electrode of described touch switch electrically connects different sweep traces with the grid of described thin film transistor (TFT).
3. display panels as claimed in claim 1 or 2 is characterized in that, described signal wire is the common electrical bit line.
4. display panels as claimed in claim 1 or 2 is characterized in that, described signal wire is a sweep trace.
5. display panels as claimed in claim 1 is characterized in that described colored filter substrate also comprises public electrode, and described touch-control electrode is the part of public electrode.
6. display panels as claimed in claim 1 is characterized in that, also is provided with a projection at described colored filter substrate towards a side of liquid crystal layer, and described touch-control electrode is formed on the surface of described projection.
7. display panels as claimed in claim 6 is characterized in that described colored filter substrate also includes both alignment layers, and described touch-control electrode comes out from described both alignment layers.
8. display panels as claimed in claim 1 is characterized in that, also is provided with touch control capacitance between second electrode of described touch switch and described signal detection line.
9. display panels as claimed in claim 1 is characterized in that, also is provided with peripheral circuit outside described display panels viewing area, and described peripheral circuit provides a fixing voltage signal for signal detection line.
10. display panels as claimed in claim 1 is characterized in that, described sweep trace and described data line square crossing are arranged and limited a plurality of pixel regions, wherein every three pixel regions a described touch area are set.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009101295748A CN101510037B (en) | 2009-03-31 | 2009-03-31 | LCD panel |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009101295748A CN101510037B (en) | 2009-03-31 | 2009-03-31 | LCD panel |
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| CN101510037A CN101510037A (en) | 2009-08-19 |
| CN101510037B true CN101510037B (en) | 2011-10-19 |
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Families Citing this family (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102033372B (en) * | 2009-09-24 | 2013-08-28 | 北京京东方光电科技有限公司 | TFT-LCD array substrate and manufacturing, detecting and driving methods thereof |
| CN102033347B (en) * | 2009-09-30 | 2012-12-19 | 群康科技(深圳)有限公司 | In-cell touch liquid crystal display (LCD) |
| CN102566182B (en) * | 2009-12-28 | 2014-04-16 | 友达光电（苏州）有限公司 | Liquid crystal display panel and touch control detection method thereof |
| CN101738770B (en) * | 2009-12-28 | 2012-04-25 | 友达光电（苏州）有限公司 | Liquid crystal display (LCD) panel and touch detection method thereof |
| CN103299359B (en) * | 2011-04-08 | 2014-12-17 | 夏普株式会社 | Display device, method for driving same |
| CN102183861B (en) * | 2011-05-20 | 2013-07-10 | 北京京东方光电科技有限公司 | Array substrate, manufacturing method thereof and liquid crystal display panel |
| CN102955311B (en) * | 2012-10-30 | 2015-12-09 | 南京中电熊猫液晶显示科技有限公司 | A kind of liquid crystal indicator of embedded touch control |
| CN104409462B (en) * | 2014-12-18 | 2017-07-04 | 京东方科技集团股份有限公司 | Array base palte and its manufacture method, display device |
| CN105116579B (en) | 2015-09-30 | 2019-05-03 | 深圳市华星光电技术有限公司 | Liquid crystal display panel and its driving method |
| CN108089358A (en) * | 2016-11-23 | 2018-05-29 | 十速兴业科技（深圳）有限公司 | Liquid crystal display panel and its display device with operation inducing function |
| CN109491543B (en) * | 2018-11-06 | 2020-12-25 | 京东方科技集团股份有限公司 | Touch display panel, manufacturing method and driving method |
| CN109445640B (en) * | 2018-12-18 | 2022-02-15 | 昆山龙腾光电股份有限公司 | Display screen and electronic equipment with same |
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Address after: 215300 No. 1, Longteng Road, Kunshan, Jiangsu Patentee after: Kunshan Longteng Au Optronics Co Address before: 215300 No. 1, Longteng Road, Kunshan, Jiangsu Patentee before: Kunshan Longteng Optronics Co., Ltd. |
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