CN203950283U - A kind of touch display panel and display device - Google Patents
A kind of touch display panel and display device Download PDFInfo
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- CN203950283U CN203950283U CN201420258926.6U CN201420258926U CN203950283U CN 203950283 U CN203950283 U CN 203950283U CN 201420258926 U CN201420258926 U CN 201420258926U CN 203950283 U CN203950283 U CN 203950283U
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Abstract
The utility model provides a kind of touch display panel and display device.This touch display panel comprises array base palte, array base palte comprises substrate and is arranged on common electrode layer, thin film transistor (TFT) and the data line being connected with thin film transistor (TFT) and the pixel electrode on substrate, common electrode layer comprises mutually insulated and spaced touch-control drive electrode and public electrode, array base palte also comprises the screen layer insulating mutually with common electrode layer, and screen layer blocks between touch-control drive electrode and public electrode corresponding the interval region of linear position data.This touch display panel is by arranging screen layer, the interval region that can linear position data to the correspondence in common electrode layer blocks, thereby can form to the electric signal on source electrode and data line good shielding, greatly reduce the noise problem that source electrode and data line exist in charging process, and then the demonstration of touch display panel and touch-control can synchronously be carried out.
Description
Technical field
The utility model relates to display technique field, particularly, relates to a kind of touch display panel and display device.
Background technology
At present, embedded (In Cell) touch display panel, owing to not needing additionally to increase the preparation section of touch display panel, has the aperture opening ratio of display pixel and transmittance is affected to minimum characteristic, so have good application prospect.
Certain layer in the multiplexing array base palte of the common meeting of embedded touch display panel is as touch-control drive electrode; as multiplexing public electrode; be about to public electrode when showing as public electrode (public electrode is applied in common electrode signal when showing), when touch-control as touch-control drive electrode (public electrode is applied in touch-control when the touch-control and drives signal).Realizing this multiplexing function just need to carry out laterally and longitudinally cutting apart to public electrode, wherein, cut apart longitudinally and will cut apart along the direction of data line, originally the public electrode of respective data lines and source electrode zone is divided falls, this divided region of falling has not just had the shielding of public electrode, this can make the noise of touch display panel when showing and touch-control synchronously carries out very large, cause the whole touch display panel can only timesharing demonstration and touch-control, thus cause the touch-control of touch display panel and display effect poor.
Utility model content
The utility model, for the above-mentioned technical matters existing in prior art, provides a kind of touch display panel and display device.This touch display panel is by arranging screen layer, the interval region that can linear position data to the correspondence in common electrode layer blocks, thereby can form to the electric signal on source electrode and data line good shielding, greatly reduce the noise problem that source electrode and data line exist in charging process, and then the demonstration of touch display panel and touch-control can normally be carried out.
The utility model provides a kind of touch display panel, comprise array base palte, described array base palte comprises substrate and is arranged on the common electrode layer on described substrate, thin film transistor (TFT) and the data line and the pixel electrode that are connected with described thin film transistor (TFT), described common electrode layer comprises mutually insulated and spaced touch-control drive electrode and public electrode, in the displaying time of a frame picture, described touch-control drive electrode loads common electrode signal for timesharing ground and touch-control drives signal, described array base palte also comprises the screen layer insulating mutually with described common electrode layer, described screen layer blocks between described touch-control drive electrode and described public electrode corresponding the interval region of described linear position data.
Preferably, described screen layer is positioned at top and/or the below of described common electrode layer.
Preferably, described screen layer loads common electrode signal.
Preferably, described thin film transistor (TFT) comprises source electrode, drain electrode, grid and active layer, and described source electrode and described drain electrode are arranged on the top of described active layer with layer and lay respectively at the two ends of described active layer; Described grid is arranged on the top of described source electrode and described drain electrode; Described pixel electrode and described common electrode layer are all positioned at the top of described thin film transistor (TFT), and described pixel electrode is connected with described drain electrode; Described source electrode arranges and is connected with layer with described data line.
Preferably, described screen layer and described grid arrange with layer.
Preferably, described screen layer adopts identical material and forms simultaneously with described grid.
Preferably, described pixel electrode is positioned at the top of described common electrode layer, and described screen layer and described pixel electrode arrange with layer.
Preferably, described pixel electrode is positioned at the below of described common electrode layer, and described screen layer and described pixel electrode arrange with layer.
Preferably, described screen layer adopts identical material and forms simultaneously with described pixel electrode.
Preferably, described array base palte also comprises black matrix, and described black matrix is positioned at the below of described active layer, and described black matrix blocks described active layer completely.
The utility model also provides a kind of display device, comprises above-mentioned touch display panel.
The beneficial effects of the utility model: touch display panel provided by the utility model, by screen layer is set, the interval region that can linear position data to the correspondence in common electrode layer blocks, thereby can form very the electric signal on source electrode and data line
Good shielding, greatly reduces the noise that source electrode and data line exist in charging process and asks
Topic, and then the demonstration of touch display panel and touch-control can normally be carried out.
Accompanying drawing explanation
Fig. 1 is the structure cut-open view of the array base palte of touch display panel in the utility model embodiment 1;
Fig. 2 is the structure cut-open view of a kind of array base palte of touch display panel in the utility model embodiment 2;
Fig. 3 is the structure cut-open view of another array base palte of touch display panel in the utility model embodiment 2;
Fig. 4 is the structure cut-open view of the array base palte of touch display panel in the utility model embodiment 3;
Fig. 5 is the structure cut-open view of a kind of array base palte of touch display panel in the utility model embodiment 4;
Fig. 6 is the structure cut-open view of another array base palte of touch display panel in the utility model embodiment 4;
Fig. 7 is the structure cut-open view of the array base palte of touch display panel in the utility model embodiment 5.
Description of reference numerals wherein:
1. substrate; 2. thin film transistor (TFT); 21. source electrodes; 22. drain electrodes; 23. grids; 24. active layers; 3. common electrode layer; 31. interval regions; 4. pixel electrode; 5. screen layer; 6. the first insulation course; 7. gate insulation layer; 8. the second insulation course; 9. resin bed; 10. black matrix; 11. color retes.
Embodiment
For making those skilled in the art understand better the technical solution of the utility model, below in conjunction with the drawings and specific embodiments, a kind of touch display panel provided by the utility model and display device are described in further detail.
Unless otherwise defined, technical term used herein or scientific terminology should be and in field, have the ordinary meaning that the personage of general technical ability understands under the utility model." first " of using in the utility model patent application specification and claims, " second " and similar word do not represent any order, quantity or importance, and are just used for distinguishing different ingredients.Equally, the similar words such as " " or " " do not represent restricted number yet, and mean and have at least one." connection " or " being connected " etc. similarly word be not defined in connection physics or machinery, but can comprise electrical connection, no matter be directly or indirectly." top ", " below " etc. are only for representing relative position relation, and after being described the absolute position change of object, this relative position relation also correspondingly changes.
Embodiment 1:
The present embodiment provides a kind of touch display panel, comprise array base palte, as shown in Figure 1, array base palte comprises substrate 1 and is arranged on the common electrode layer 3 on substrate 1, thin film transistor (TFT) 2 and the data line (not shown in figure 1) being connected with thin film transistor (TFT) 2 and pixel electrode 4, common electrode layer 3 comprises mutually insulated and spaced touch-control drive electrode and public electrode, in the displaying time of a frame picture, touch-control drive electrode loads common electrode signal for timesharing ground and touch-control drives signal, array base palte also comprises the screen layer 5 insulating mutually with common electrode layer 3, screen layer 5 blocks between touch-control drive electrode and public electrode corresponding the interval region 31 of linear position data.
In the present embodiment, screen layer 5 is positioned at the above and below of common electrode layer 3.Screen layer 5 loads common electrode signal, and in the present embodiment, screen layer 5 is connected with public electrode by via hole.
The setting of screen layer 5 can form and block the interval region 31 of corresponding linear position data between touch-control drive electrode and public electrode, thereby can form to the electric signal on data line good shielding, greatly reduce the noise problem that data line exists in charging process, and then the demonstration of touch display panel and touch-control can normally be carried out.
Wherein, thin film transistor (TFT) 2 comprises source electrode 21, drain electrode 22, grid 23 and active layer 24, and source electrode 21 and drain electrode 22 are arranged on the top of active layer 24 with layer and lay respectively at the two ends of active layer 24; Grid 23 is arranged on the top of source electrode 21 and drain electrode 22; Pixel electrode 4 and common electrode layer 3 are all positioned at the top of thin film transistor (TFT) 2, and pixel electrode 4 is connected with drain electrode 22; Source electrode 21 arranges and is connected with layer with data line, and screen layer 5 can form to the electric signal on source electrode 21 good shielding simultaneously.Between active layer 24 and source electrode 21 and drain electrode 22, be also provided with the first insulation course 6, between grid 23 and source electrode 21 and drain electrode 22, be also provided with gate insulation layer 7, between pixel electrode 4 and common electrode layer 3, be also provided with the second insulation course 8.The first insulation course 6 and the second insulation course 8 are the passivation layer that resin material forms.
In the present embodiment, pixel electrode 4 is positioned at the top of common electrode layer 3, between grid 23 and common electrode layer 3, is provided with resin bed 9.
In the present embodiment, screen layer 5 is provided with two, and a screen layer 5 is arranged between thin film transistor (TFT) 2 and common electrode layer 3, and another screen layer 5 is arranged on the top of common electrode layer 3.The noise that the setting of two screen layers 5 can be better exists in charging process source electrode 21 and data line shields, thereby the demonstration and the touch-control that are more conducive to touch display panel normally carry out.
In two screen layers 5, the screen layer 5 being arranged between thin film transistor (TFT) 2 and common electrode layer 3 arranges with layer with grid 23, and adopts identical material to form with grid 23 simultaneously.The screen layer 5 that is arranged on common electrode layer 3 tops arranges with layer with pixel electrode 4, and adopts identical material to form with pixel electrode 4 simultaneously.So form screen layer 5, make touch display panel in preparation process without increasing extra preparation technology and step, thereby simplified the preparation of touch display panel, improved preparation efficiency.It should be noted that mutually insulated all between screen layer 5 and grid 23 and pixel electrode 4.
In the present embodiment, array base palte also comprises black matrix 10, and black matrix 10 is positioned at the below of active layer 24, and black matrix 10 blocks active layer 24 completely.The black matrix 10 so arranging can block and be irradiated to backlight on active layer 24, thereby can avoid the leakage current problem bigger than normal that caused by backlight illumination due to active layer 24, and then can guarantee the normal work of thin film transistor (TFT) 2 and array base palte touch display panel normally to be shown.
In the present embodiment, array base palte also comprises color rete 11, and color rete 11 is arranged on the top of the pixel electrode 4 in relative top.Arranging of color rete 11 can make this touch display panel carry out colour demonstration.
In addition, touch display panel also comprises induction substrate, and induction substrate and array base palte are oppositely arranged.On induction substrate, be provided with induction electrode, common electrode layer 3 on array base palte had both been used as the public electrode while showing, touch-control drive electrode during again as touch-control, this touch display panel is embedded touch display panel, embedded touch display panel, owing to showing and shared common electrode layer 3 during touch-control, does not need additionally to increase the preparation section of touch display panel.When touch-control, touch-control drive electrode receives touch-control and drives signal, and induction electrode drives signal respond to and receive touch-control sensing signal to this touch-control, thereby completes the touch-control to this touch display panel.
The driving method of above-mentioned touch display panel is, touch-control driving and the display driver of touch display panel are synchronous, touch-control drive electrode in a touch display panel array base palte at one time part applies common electrode signal, and another part applies touch-control and drives signal.
In the present embodiment, touch display panel can comprise n viewing area, described n is more than or equal to 2 integer, the corresponding multirow pixel in described viewing area, the driving method of described touch-control display panel comprises: in the process of lining by line scan, scan in n viewing area one and to the viewing area output display signal of scanning time, to an input touching signals in n-1 the viewing area not scanning.This driving method is undertaken by the display driver of touch display panel and touch-control are driven to stagger at one time, thereby the demonstration of this touch display panel and touch-control can synchronously be carried out, and then has greatly improved the touch-control report point rate of touch display panel; In addition, the setting of screen layer in touch display panel, the noise that can make touch display panel produce when showing and touch-control synchronously carries out is shielded well, thereby both guaranteed that touch display panel can normally carry out simultaneous display and touch-control, and can guarantee that again touch display panel showed and the normal effect of touch-control.
Embodiment 2:
The present embodiment provides a kind of touch display panel, and as different from Example 1, screen layer is only provided with one.As shown in Figure 2, screen layer 5 is positioned at the below of common electrode layer 3, and this screen layer 5 is arranged between thin film transistor (TFT) 2 and common electrode layer 3, and this screen layer 5 and the same layer setting of grid 23, and adopts identical material to form simultaneously; Or as shown in Figure 3, screen layer 5 is positioned at the top of common electrode layer 3, and this screen layer 5 and the same layer setting of pixel electrode 4, and adopt identical material to form simultaneously.
In the present embodiment, other structures of touch display panel are in the same manner as in Example 1, repeat no more herein.
Although the screen layer 5 in the present embodiment only has one, but still the noise that can exist in charging process source electrode 21 and data line shields, and just with respect to two screen layers 5 in embodiment 1, shield effectiveness is slightly too late.
Embodiment 3:
The present embodiment provides a kind of touch display panel, different from embodiment 1-2, and as shown in Figure 4, pixel electrode 4 is positioned at the below of common electrode layer 3, between grid 23 and pixel electrode 4, is provided with resin bed 9.
In the present embodiment, screen layer 5 is provided with two, and two screen layers 5 are all positioned at the below of common electrode layer 3, and two screen layers 5 are all arranged between thin film transistor (TFT) 2 and common electrode layer 3.One of them screen layer 5 arranges with layer with grid 23, and adopts identical material to form simultaneously, and another screen layer 5 arranges with layer with pixel electrode 4, and adopts identical material to form simultaneously.
In the present embodiment 5 pairs of source electrodes 21 of two screen layers and data line in charging process, exist the shield effectiveness of noise can reach with embodiment 1 in same effect.
In the present embodiment, other structures of touch display panel are in the same manner as in Example 1, repeat no more herein.
Embodiment 4:
The present embodiment provides a kind of touch display panel, different from embodiment 1-3, and on the basis of embodiment 3, screen layer is only provided with one, and screen layer is positioned at the below of common electrode layer.This screen layer is arranged between thin film transistor (TFT) and common electrode layer, and as shown in Figure 5, this screen layer 5 arranges with layer with grid 23, and adopt identical material to form simultaneously, or, as shown in Figure 6, this screen layer 5 arranges with layer with pixel electrode 4, and adopts identical material to form simultaneously.
In the present embodiment, other structures of touch display panel are in the same manner as in Example 3, repeat no more herein.
Although the screen layer 5 in the present embodiment only has one, but still the noise that can exist in charging process source electrode 21 and data line shields, and just with respect to two screen layers 5 in embodiment 3, shield effectiveness is slightly too late.
Embodiment 5:
The present embodiment provides a kind of touch display panel, different from embodiment 1-4, in the present embodiment, array base palte does not comprise resin bed, pixel electrode 4 is positioned at the top of common electrode layer 3, is provided with color rete 11 (as shown in Figure 7) between grid 23 and common electrode layer 3; Or pixel electrode is positioned at the below of common electrode layer, between grid and pixel electrode, be provided with color rete.
In the present embodiment, as shown in Figure 7, screen layer 5 is provided with two, a top that is positioned at common electrode layer 3, and screen layer 5 arranges and adopts identical material to form simultaneously with layer with pixel electrode 4; Another is positioned at the below of common electrode layer 3, and screen layer 5 arranges and adopts identical material to form simultaneously with layer with grid 23.
In the present embodiment, identical in any one of other structures of touch display panel and embodiment 1-4 repeats no more herein.
Color rete 11 adopts red R, green G, blue B resin material to make, red R, green G, blue B resin material can make touch display panel carry out colour demonstration, also there is insulation function, can make mutually insulated between common electrode layer 3 in relative below or pixel electrode 4 and grid 23.So arrange, can make the thickness of touch display panel thinner, save the manufacturing cost of touch display panel.
Embodiment 6:
The present embodiment provides a kind of display device, comprises the touch display panel of above-described embodiment 1-5 in arbitrary.
Touch display panel in arbitrary by employing embodiment 1-5, has not only reduced the noise of display device when demonstration and touch-control, and has improved demonstration and the touch-control effect of display device.
The beneficial effects of the utility model: touch display panel provided by the utility model, by screen layer is set, the interval region that can linear position data to the correspondence in common electrode layer blocks, thereby can form to the electric signal on source electrode and data line good shielding, greatly reduce the noise problem that source electrode and data line exist in charging process, and then the demonstration of touch display panel and touch-control can normally be carried out.
It should be noted that, the top that is positioned at common electrode layer of describing in the utility model embodiment and/or below represent to be positioned at different layers with common electrode layer, can adopt twice technique to form, and are not used in its position relationship of restriction.
Be understandable that, above embodiment is only used to principle of the present utility model is described and the illustrative embodiments that adopts, yet the utility model is not limited to this.For those skilled in the art, in the situation that not departing from spirit of the present utility model and essence, can make various modification and improvement, these modification and improvement are also considered as protection domain of the present utility model.
Claims (11)
1. a touch display panel, comprise array base palte, described array base palte comprises substrate and is arranged on the common electrode layer on described substrate, thin film transistor (TFT) and the data line and the pixel electrode that are connected with described thin film transistor (TFT), described common electrode layer comprises mutually insulated and spaced touch-control drive electrode and public electrode, in the displaying time of a frame picture, described touch-control drive electrode loads common electrode signal for timesharing ground and touch-control drives signal, it is characterized in that, described array base palte also comprises the screen layer insulating mutually with described common electrode layer, described screen layer blocks between described touch-control drive electrode and described public electrode corresponding the interval region of described linear position data.
2. touch display panel according to claim 1, is characterized in that, described screen layer is positioned at top and/or the below of described common electrode layer.
3. touch display panel according to claim 1 and 2, is characterized in that, described screen layer loads common electrode signal.
4. touch display panel according to claim 3, it is characterized in that, described thin film transistor (TFT) comprises source electrode, drain electrode, grid and active layer, and described source electrode and described drain electrode are arranged on the top of described active layer with layer and lay respectively at the two ends of described active layer; Described grid is arranged on the top of described source electrode and described drain electrode; Described pixel electrode and described common electrode layer are all positioned at the top of described thin film transistor (TFT), and described pixel electrode is connected with described drain electrode; Described source electrode arranges and is connected with layer with described data line.
5. touch display panel according to claim 4, is characterized in that, described screen layer and described grid arrange with layer.
6. touch display panel according to claim 5, is characterized in that, described screen layer adopts identical material and forms simultaneously with described grid.
7. touch display panel according to claim 4, is characterized in that, described pixel electrode is positioned at the top of described common electrode layer, and described screen layer and described pixel electrode arrange with layer.
8. touch display panel according to claim 4, is characterized in that, described pixel electrode is positioned at the below of described common electrode layer, and described screen layer and described pixel electrode arrange with layer.
9. according to the touch display panel described in claim 7 or 8, it is characterized in that, described screen layer adopts identical material and forms simultaneously with described pixel electrode.
10. touch display panel according to claim 4, is characterized in that, described array base palte also comprises black matrix, and described black matrix is positioned at the below of described active layer, and described black matrix blocks described active layer completely.
11. 1 kinds of display device, is characterized in that, comprise the touch display panel described in claim 1-10 any one.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420258926.6U CN203950283U (en) | 2014-05-20 | 2014-05-20 | A kind of touch display panel and display device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420258926.6U CN203950283U (en) | 2014-05-20 | 2014-05-20 | A kind of touch display panel and display device |
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| Publication Number | Publication Date |
|---|---|
| CN203950283U true CN203950283U (en) | 2014-11-19 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420258926.6U Withdrawn - After Issue CN203950283U (en) | 2014-05-20 | 2014-05-20 | A kind of touch display panel and display device |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104035615A (en) * | 2014-05-20 | 2014-09-10 | 京东方科技集团股份有限公司 | Touch display panel and display device |
| CN105094426A (en) * | 2015-07-20 | 2015-11-25 | 武汉华星光电技术有限公司 | Panel and panel preparation method |
| WO2018035973A1 (en) * | 2016-08-26 | 2018-03-01 | 武汉华星光电技术有限公司 | Array substrate, liquid crystal display panel, and manufacturing method |
-
2014
- 2014-05-20 CN CN201420258926.6U patent/CN203950283U/en not_active Withdrawn - After Issue
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104035615A (en) * | 2014-05-20 | 2014-09-10 | 京东方科技集团股份有限公司 | Touch display panel and display device |
| WO2015176469A1 (en) * | 2014-05-20 | 2015-11-26 | 京东方科技集团股份有限公司 | Touch display panel and display device |
| CN104035615B (en) * | 2014-05-20 | 2016-03-02 | 京东方科技集团股份有限公司 | A kind of touch display panel and display device |
| CN105094426A (en) * | 2015-07-20 | 2015-11-25 | 武汉华星光电技术有限公司 | Panel and panel preparation method |
| WO2017012166A1 (en) * | 2015-07-20 | 2017-01-26 | 武汉华星光电技术有限公司 | Panel and panel preparation method |
| CN105094426B (en) * | 2015-07-20 | 2018-10-19 | 武汉华星光电技术有限公司 | Panel and panel preparation method |
| WO2018035973A1 (en) * | 2016-08-26 | 2018-03-01 | 武汉华星光电技术有限公司 | Array substrate, liquid crystal display panel, and manufacturing method |
| US10114259B2 (en) | 2016-08-26 | 2018-10-30 | Wuhan China Star Optoelectronics Technology Co., Ltd | Array substrate, liquid crystal display panel and manufacturing method |
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| C14 | Grant of patent or utility model | ||
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| AV01 | Patent right actively abandoned |
Granted publication date: 20141119 Effective date of abandoning: 20160302 |
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| C25 | Abandonment of patent right or utility model to avoid double patenting |