CN203338322U - Touch display device - Google Patents
Touch display device Download PDFInfo
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- CN203338322U CN203338322U CN2013204261675U CN201320426167U CN203338322U CN 203338322 U CN203338322 U CN 203338322U CN 2013204261675 U CN2013204261675 U CN 2013204261675U CN 201320426167 U CN201320426167 U CN 201320426167U CN 203338322 U CN203338322 U CN 203338322U
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Abstract
The utility model discloses a touch display device, and relates to the field of display. The touch display device can increase the point report rate. The touch display device comprises a display module, a touch module and a control module. The control module sends out a control signal and controls the touch module to send out a touch signal; the touch display device enters a sub touch time period from a sub display time period; the control module sends out another control signal, the display module sends out a driving signal at the same time, and the display module is controlled to display a picture which needs displaying; the touch display device enters the sub display time period from the sub touch time period; a display time period comprises at least two sub display time periods, a touch time period comprises at least two sub touch time periods, and one sub touch time period is set between every two adjacent sub display time periods in a spaced mode.
Description
Technical field
The utility model relates to the demonstration field, relates in particular to a kind of touch control display apparatus.
Background technology
Digitizer has become people's life, has produced indispensable important element.Display device, as the digital device video signal output terminal, for being directly passed to operator message, belongs to requisite device.Along with scientific and technical development, the function of display device is not limited only to receiving video signals and is shown, but has the control command input function, namely existing touch control display apparatus, by the direct input command of screen, even can replace the auxiliary devices for inputting such as keyboard.
The inventor finds in realizing process of the present utility model, and in the prior art, the gap that touch control display apparatus only refreshes in two width display frames is scanned, and detects whether the touching signals from the user is arranged.But the detection mode of this touching signals makes the newspaper point rate of touch control display apparatus lower, causes touch control display apparatus sometimes can't effectively receive the touch-control order from the user, has reduced user's experience.
The utility model content
Technical problem to be solved in the utility model is to provide a kind of touch control display apparatus, can improve the newspaper point rate of touch control display apparatus.
For solving the problems of the technologies described above, the utility model adopts following technical scheme:
The utility model provides a kind of touch control display apparatus, and a frame of described touch control display apparatus comprises displaying time section and touch-control time period,
Described touch control display apparatus comprises display module, touch-control module and control module, and described control module is sent control signal, controls described touch-control module and sends touching signals, and described touch control display apparatus enters the sub-touch-control time period by sub-displaying time section; Described control module is sent described control signal, and described display module sends the driving signal simultaneously, controls the demonstration that described display module carries out display frame, and described touch control display apparatus enters sub-displaying time section by the sub-touch-control time period;
Wherein, described displaying time section at least comprises two sub-displaying time sections, and the described touch-control time period at least comprises two sub-touch-control time periods, is separated with the sub-touch-control time period between between two adjacent sub-displaying time sections.
Preferably, when described control module is sent control signal and is high level signal, control described touch-control module and send touching signals, described touch control display apparatus enters the sub-touch-control time period by sub-displaying time section; It is low level signal that described control module is sent control signal, described display module sends while driving signal to be high level signal simultaneously, control the demonstration that described display module carries out display frame, described touch control display apparatus enters sub-displaying time section by the sub-touch-control time period.
Preferably, described displaying time section comprises the first sub-displaying time section and two sub-displaying time sections of the second sub-displaying time section, the lasting duration of the described first sub-displaying time section and the described second sub-displaying time section equates, in the described first sub-displaying time section or the described second sub-displaying time section, described display module shows half range display frame;
The described touch-control time period comprises the first sub-touch-control time period and two sub-touch-control time periods of the second sub-touch-control time period, and two sub-touch-control time periods of the described first sub-touch-control time period and the described second sub-touch-control time period equate.
Preferably, the lasting duration of the described first sub-touch-control time period and the described second sub-touch-control time period is 2 milliseconds.
The accompanying drawing explanation
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, in below describing embodiment, the accompanying drawing of required use is briefly described, apparently, accompanying drawing in the following describes is only embodiment more of the present utility model, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain according to these accompanying drawings other accompanying drawing.
The structural representation that Fig. 1 is the touch control display apparatus in the utility model embodiment;
The working timing figure that Fig. 2 is the touch control display apparatus in the utility model embodiment.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the utility model embodiment is clearly and completely described, obviously, described embodiment is the utility model part embodiment, rather than whole embodiment.Embodiment based in the utility model, those of ordinary skills are not making under the creative work prerequisite the every other embodiment obtained, and all belong to the scope of the utility model protection.
The utility model embodiment provides a kind of driving method of touch control display apparatus, and a frame of described touch control display apparatus comprises displaying time section and touch-control time period, wherein:
Described displaying time section at least comprises two sub-displaying time sections, and the described touch-control time period at least comprises two sub-touch-control time periods, is separated with the sub-touch-control time period between between two adjacent sub-displaying time sections.
Control signal is controlled described touch control display apparatus and is entered the sub-touch-control time period by sub-displaying time section, and described touch control display apparatus sends touching signals; Described control signal and the described touch control display apparatus of driving signal controlling enter sub-displaying time section by the sub-touch-control time period, carry out the demonstration of display frame.
Wherein, in order to prevent that touching signals from having disturbed the normal demonstration of display frame, under control signal is controlled, described touch control display apparatus enters the sub-touch-control time period by sub-displaying time section, when touch control display apparatus in sub-touch-control during the time period, touch control display apparatus sends touching signals, stops the demonstration to display frame; Under control signal and driving signal controlling, described touch control display apparatus enters sub-displaying time section by the sub-touch-control time period, relative, stops sending touching signals, and touch control display apparatus continues not the demonstration of the display frame of demonstration fully.
In the technical scheme of the utility model embodiment, one frame of described touch control display apparatus comprises displaying time section and touch-control time period, and the described touch-control time period comprises at least two sub-touch-control time periods, greatly improved the newspaper point rate of touch control display apparatus, reduce touch control display apparatus and can't effectively detect and obtain the possibility of user's touch-control order, and improved the mutual fluency between touch control display apparatus and user, improved user's experience.
In a frame time of described touch control display apparatus, the displaying time section can comprise a sub-displaying time section arbitrarily, same, the touch-control time period also can comprise a sub-touch-control time period arbitrarily, but in a frame time, the number of sub-displaying time section should equate with the number of sub-touch-control time period or differ one, so that be separated with the sub-touch-control time period between between two adjacent sub-displaying time sections.
For example, in a frame time, the displaying time section comprises three sub-displaying time sections, and the touch-control time period comprises two sub-touch-control time periods, and a frame of touch control display apparatus starts with sub-displaying time section, with sub-displaying time section, finishes; Or, in a frame time, the displaying time section comprises four sub-displaying time sections, the touch-control time period comprises four sub-touch-control time periods, and a frame of touch control display apparatus starts with sub-displaying time section, finishes with the sub-touch-control time period.
Although in a frame time of described touch control display apparatus, the displaying time section can comprise a sub-displaying time section arbitrarily, the touch-control time period also can comprise a sub-touch-control time period arbitrarily, if but sub-displaying time section and sub-touch-control time period are too much, hardware requirement to touch control display apparatus is also higher, is unfavorable for promoting the use of of this driving method.Thereby, in the utility model embodiment, preferred, the displaying time section comprises the first sub-displaying time section and two sub-displaying time sections of the second sub-displaying time section, accordingly, the described touch-control time period comprises the first sub-touch-control time period and two sub-touch-control time periods of the second sub-touch-control time period.
The display frequency of the display frame of existing touch control display apparatus is 60Hz, and owing to only between two shown width display frames, carrying out the detection of touching signals, thereby newspaper point rate is also 60Hz.In the utility model embodiment, the described touch-control time period comprises the first sub-touch-control time period and two sub-touch-control time periods of the second sub-touch-control time period, the newspaper point rate that is this touch control display apparatus is 120Hz, be equivalent to the double of prior art, greatly reduce the possibility that touch control display apparatus could effectively detect and obtain user's touch-control order, and improved the mutual fluency between touch control display apparatus and user, improved user's experience.Simultaneously, the newspaper point rate of 120Hz can fully meet user's user demand, and higher newspaper point rate may reduce the display effect of touch control display apparatus, increases the work load of touch control display apparatus simultaneously, the increase of output power that causes touch control display apparatus, reduce user's experience.
Because the display panel of existing touch control display apparatus is mostly display panels, the scanning of display frame realizes by gate driver circuit, and gate driver circuit comprises the grid shift register cell of a plurality of cascades.Concrete, the picture element matrix that display panels is arranged by horizontal and vertical directions forms, the video information shown is added on corresponding pieces of data line as grey scale signal, within a certain period of time, the grid shift register cell of cascade is output signal successively, scans successively each pixel column from the first row to last column, in each pixel column scanning process, the memory capacitance of each pixel column is charged to corresponding level value, and then keeps this level value until scanning next time.
When a width display frame starts to show, touch control display apparatus will send one and drive the grid shift register cell of signal with cascaded, driving signal in the grid shift register cell of cascade transmits step by step, be that first order grid shift register cell receives the driving signal from touch control display apparatus, after sending the grid line signal to grid line corresponding to first order grid shift register cell, drive signal to transmit to second level grid shift register cell this.Transmit and drive signal so step by step, realized lining by line scan, refreshing line by line of display panels.
In the utility model embodiment, owing to inserting a sub-touch-control time period between two sub-displaying time sections, and at sub-touch-control in the time period, the grid shift register cell of cascade is not worked, ended some grid shift register cells wherein and driven the action of signal to the transmission of next stage grid shift register cell, made and drive signal to rest in this some grid shift register cell.But the grid shift register cell is poor to the storage capacity of electric charge, thereby the time that the driving signal in some grid shift register cells retains is very short, probably disappear totally within a preset time interval, make after control module starts display module, the grid shift register cell of this cascade can't work.
Therefore, after the sub-touch-control time period finishes, when sub-displaying time section starts, touch control display apparatus need send and drive signal to first grid shift register cell that participates in scanning in the grid shift register cell in cascade, with the grid shift register cell work of cascaded.
Driving for the ease of the grid shift register cell to cascade, in the utility model embodiment, preferably, the lasting duration of the described first sub-displaying time section and the described second sub-displaying time section equates, in the described first sub-displaying time section or the described second sub-displaying time section, described touch control display apparatus shows half range display frame, i.e. half of the view picture display frame that the shown display frame of touch control display apparatus is required demonstration; Accordingly, included the described first sub-touch-control time period and two sub-touch-control time periods of the described second sub-touch-control time period of described touch-control time period equate.
Concrete, in the utility model embodiment, suppose that this touch control display apparatus comprises the grid shift register cell of n cascade, in the first sub-displaying time section, control signal is low level signal, in the grid shift register cell of this n cascade, drives signal to input first shift register cell, drive signal to be equivalent to the digital carry signal (STV) of shift register cell in prior art, front n/2 grid shift register cell is driven.When control signal is sent high level signal, the first sub-displaying time section finishes, and described touch control display apparatus entered for the first sub-touch-control time period, at the first sub-touch-control in the time period, touch control display apparatus sends touching signals, the grid shift register cell cease operation of cascade.
Next, control signal becomes low level signal, after the first sub-touch-control time period finished, the grid shift register cell of cascade has shown front half range display frame in the first sub-displaying time section, mean while entering the second sub-displaying time section, touch control display apparatus must be to the grid shift register cell input drive signal of (1+n/2) level, be equivalent to the STV start signal that makes shift register cell work on, so that the grid shift register cell of cascade can work, half range display frame after continuing to show.
In the utility model embodiment, described control signal is high level signal, and its scope is preferably 1.8 volts to 5 volts.Described driving signal is equivalent to the STV signal of grid shift register cell, but the twice input gate driver circuit in a frame time of the driving signal in the utility model embodiment, the process that comprises twice unlatching shift register cell.
In prior art, the time interval for scanning, detection touching signals between every two width display frames is 4 milliseconds, preferred, in the utility model embodiment, the described first sub-touch-control time period and the described second sub-touch-control time period can be set to 2 milliseconds, mean, after each touch-control module starts, within this time of 2 milliseconds, can continue to send touching signals.
The described first sub-touch-control time period and the described second sub-touch-control time period are only 2 milliseconds, thereby can make touch control display apparatus improve the newspaper point rate of touch-control module under the prerequisite of the display effect that does not affect display frame.
Further, the utility model embodiment also provides a kind of touch control display apparatus, and a frame of described touch control display apparatus comprises displaying time section and touch-control time period.
As shown in Figure 1, described touch control display apparatus comprises the display module that shows display frame, the touch-control module that sends touching signals and control module, described control module is sent control signal, control described touch-control module and send touching signals, described touch control display apparatus enters the sub-touch-control time period by sub-displaying time section; When described control signal is sent described control signal, described display module sends the driving signal simultaneously, controls the demonstration that described display module carries out display frame, and described touch control display apparatus enters sub-displaying time section by the sub-touch-control time period.
Wherein, described displaying time section at least comprises two sub-displaying time sections, and the described touch-control time period at least comprises two sub-touch-control time periods, is separated with the sub-touch-control time period between between two adjacent sub-displaying time sections.
Concrete, when the display panel of touch control display apparatus is display panels, the scanning of display frame is that the gate driver circuit comprised by display module is realized, gate driver circuit comprises the grid shift register cell of a plurality of cascades.
In the utility model embodiment, described displaying time section comprises the first sub-displaying time section and two sub-displaying time sections of the second sub-displaying time section, the lasting duration of the described first sub-displaying time section and the described second sub-displaying time section equates, in the described first sub-displaying time section or the described second sub-displaying time section, described display module shows half range display frame.
Similarly, the described touch-control time period comprises the first sub-touch-control time period and two sub-touch-control time periods of the second sub-touch-control time period, and two sub-touch-control time periods of the described first sub-touch-control time period and the described second sub-touch-control time period equate.
As shown in Figure 2, a frame of described touch control display apparatus comprises displaying time section T and touch-control time period t, in the prior art, displaying time section T is 16.7ms, the touch-control time period is 4ms, and the first sub-displaying time section and second sub-displaying time section duration are all T/2, are about 8.35ms; The first sub-touch-control time period and the second sub-duration touch-control time period are all t/2, are 2ms.
When each width display frame starts to show, described touch control display apparatus enters in the first sub-displaying time section, control module is turn-offed control signal, and display module sends the driving signal to the first order grid shift register cell in the grid shift register cell of n cascade, in succession sending the grid line signal with the grid shift register cell of cascaded is scanned, after the time of T/2, display module in touch control display apparatus has shown front half range display frame, be that the first order to the n/2 level grid shift register cell in display module has participated in the scanning that this width shows image.
Then, control module is sent the control signal into high level, touch control display apparatus entered for the first sub-touch-control time period, send touching signals, the scanning of the grid shift register cell of cascade is simultaneously ended, through t/2 after the time, control module is sent low level control signal, make described touch control display apparatus enter the second sub-displaying time section by the first sub-touch-control time period, in order to make display module can continue to show rear half range display frame, display module is to the grid shift register cell output drive signal of (1+n/2) level, be equivalent to the STV start signal that makes shift register cell work on, to drive remaining grid shift register cell to participate in scanning, guarantee the normal demonstration of display frame.
After the time of T/2, control module is sent control signal again, and touch control display apparatus entered for the second touch-control time period, and through t/2, after the time, a frame driving process of touch-control display module finishes.
Wherein, the control module in the utility model embodiment can realize by the driving circuit based on existing touch control display apparatus.
It should be noted that, described display module can be only be exported a road to a grid shift register cell and drive signal, for example, and only to the grid shift register cell output drive signal of (1+n/2) level, in order to improve the speed of response of display module, also can drive signal to the corresponding output multi-channel of a plurality of grid shift register cells, wherein, each road drives between signal has the small mistiming, for example, to (1+n/2) level, (2+n/2) level, the grid shift register cell of (3+n/2) level and (4+n/2) level is exported respectively corresponding driving signal, wherein, (2+n/2) grade driving signal lag that the grid shift register cell is corresponding is in driving signal corresponding to (1+n/2) level grid shift register cell, similarly, (3+n/2) grade driving signal lag that the grid shift register cell is corresponding is in driving signal corresponding to (2+n/2) level grid shift register cell, (3+n/2) grade driving signal lag that the grid shift register cell is corresponding is in driving signal corresponding to (4+n/2) level grid shift register cell, each drives the mistiming between signal to equate.Afterwards, (1+n/2) level transmits to (5+n/2) level the driving signal obtained, similarly, (2+n/2) level transmits to (6+n/2) level the driving signal obtained, (3+n/2) level transmits to (7+n/2) level the driving signal obtained, (4+n/2) level transmits to (8+n/2) level the driving signal obtained, until touch control display apparatus shows complete this width display frame.
The touch control display apparatus provided in the utility model embodiment can be any product or parts with Presentation Function such as liquid crystal panel, Electronic Paper, oled panel, mobile phone, panel computer, televisor, display, notebook computer, digital album (digital photo frame), navigating instrument.
The above; it is only embodiment of the present utility model; but protection domain of the present utility model is not limited to this; anyly be familiar with those skilled in the art in the technical scope that the utility model discloses; can expect easily changing or replacing, within all should being encompassed in protection domain of the present utility model.Therefore, protection domain of the present utility model should be as the criterion with the protection domain of described claim.
Claims (4)
1. a touch control display apparatus, a frame of described touch control display apparatus comprises displaying time section and touch-control time period, it is characterized in that,
Described touch control display apparatus comprises display module, touch-control module and control module, and described control module is sent control signal, controls described touch-control module and sends touching signals, and described touch control display apparatus enters the sub-touch-control time period by sub-displaying time section; Described control module is sent control signal, and described display module sends the driving signal simultaneously, controls the demonstration that described display module carries out display frame, and described touch control display apparatus enters sub-displaying time section by the sub-touch-control time period;
Wherein, described displaying time section at least comprises two sub-displaying time sections, and the described touch-control time period at least comprises two sub-touch-control time periods, is separated with the sub-touch-control time period between between two adjacent sub-displaying time sections.
2. touch control display apparatus according to claim 1, is characterized in that,
When described control module is sent control signal and is high level signal, control described touch-control module and send touching signals, described touch control display apparatus enters the sub-touch-control time period by sub-displaying time section; It is low level signal that described control module is sent control signal, described display module sends while driving signal to be high level signal simultaneously, control the demonstration that described display module carries out display frame, described touch control display apparatus enters sub-displaying time section by the sub-touch-control time period.
3. touch control display apparatus according to claim 1, is characterized in that,
Described displaying time section comprises the first sub-displaying time section and two sub-displaying time sections of the second sub-displaying time section, the lasting duration of the described first sub-displaying time section and the described second sub-displaying time section equates, in the described first sub-displaying time section or the described second sub-displaying time section, described display module shows half range display frame;
The described touch-control time period comprises the first sub-touch-control time period and two sub-touch-control time periods of the second sub-touch-control time period, and two sub-touch-control time periods of the described first sub-touch-control time period and the described second sub-touch-control time period equate.
4. touch control display apparatus according to claim 3, is characterized in that,
The lasting duration of the described first sub-touch-control time period and the described second sub-touch-control time period is 2 milliseconds.
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|---|---|---|---|
| CN2013204261675U CN203338322U (en) | 2013-07-17 | 2013-07-17 | Touch display device |
Applications Claiming Priority (1)
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| CN2013204261675U CN203338322U (en) | 2013-07-17 | 2013-07-17 | Touch display device |
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| CN203338322U true CN203338322U (en) | 2013-12-11 |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103412672A (en) * | 2013-07-17 | 2013-11-27 | 北京京东方光电科技有限公司 | Touch display device and driving method thereof |
| CN104036738A (en) * | 2014-03-27 | 2014-09-10 | 京东方科技集团股份有限公司 | Shifting register unit, gate drive circuit and display device |
| CN107704128A (en) * | 2017-09-26 | 2018-02-16 | 北京集创北方科技股份有限公司 | Data processing method and device, storage medium and processor |
| WO2020215851A1 (en) * | 2019-04-25 | 2020-10-29 | 京东方科技集团股份有限公司 | Circuit control method and control device, display module and display device |
-
2013
- 2013-07-17 CN CN2013204261675U patent/CN203338322U/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103412672A (en) * | 2013-07-17 | 2013-11-27 | 北京京东方光电科技有限公司 | Touch display device and driving method thereof |
| WO2015007051A1 (en) * | 2013-07-17 | 2015-01-22 | 京东方科技集团股份有限公司 | Touch display apparatus and driving method thereof |
| US9513731B2 (en) | 2013-07-17 | 2016-12-06 | Boe Technology Group Co., Ltd. | Touch display device and a driving method thereof |
| CN104036738A (en) * | 2014-03-27 | 2014-09-10 | 京东方科技集团股份有限公司 | Shifting register unit, gate drive circuit and display device |
| CN104036738B (en) * | 2014-03-27 | 2016-06-01 | 京东方科技集团股份有限公司 | A kind of shift register cell, gate driver circuit and display unit |
| CN107704128A (en) * | 2017-09-26 | 2018-02-16 | 北京集创北方科技股份有限公司 | Data processing method and device, storage medium and processor |
| WO2020215851A1 (en) * | 2019-04-25 | 2020-10-29 | 京东方科技集团股份有限公司 | Circuit control method and control device, display module and display device |
| US11397485B2 (en) | 2019-04-25 | 2022-07-26 | Hefei Xinsheng Optoelectronics Technology Co., Ltd. | Circuit control method and control device, display module and display device |
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Owner name: JINGDONGFANG SCIENCE AND TECHNOLOGY GROUP CO., LTD Free format text: FORMER OWNER: BEIJING BOE PHOTOELECTRICITY SCIENCE + TECHNOLOGY CO., LTD. Effective date: 20150703 Owner name: BEIJING BOE PHOTOELECTRICITY SCIENCE + TECHNOLOGY Effective date: 20150703 |
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Effective date of registration: 20150703 Address after: 100015 Jiuxianqiao Road, Beijing, No. 10, No. Patentee after: BOE Technology Group Co., Ltd. Patentee after: Beijing BOE Photoelectricity Science & Technology Co., Ltd. Address before: 100176 Beijing city Daxing District economic and Technological Development Zone of Beijing Road No. 8 Patentee before: Beijing BOE Photoelectricity Science & Technology Co., Ltd. |
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