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WO2013189158A1 - Array substrate, display apparatus, electronic apparatus, scanning method, and scanning device - Google Patents

Array substrate, display apparatus, electronic apparatus, scanning method, and scanning device Download PDF

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Publication number
WO2013189158A1
WO2013189158A1 PCT/CN2012/086592 CN2012086592W WO2013189158A1 WO 2013189158 A1 WO2013189158 A1 WO 2013189158A1 CN 2012086592 W CN2012086592 W CN 2012086592W WO 2013189158 A1 WO2013189158 A1 WO 2013189158A1
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WO
WIPO (PCT)
Prior art keywords
array substrate
line
time
scanning
sensing
Prior art date
Application number
PCT/CN2012/086592
Other languages
French (fr)
Chinese (zh)
Inventor
赵家阳
Original Assignee
京东方科技集团股份有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 京东方科技集团股份有限公司 filed Critical 京东方科技集团股份有限公司
Publication of WO2013189158A1 publication Critical patent/WO2013189158A1/en

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Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
    • G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
    • G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
    • G06F3/041—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
    • G06F3/0412—Digitisers structurally integrated in a display
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
    • G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
    • G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
    • G06F3/041—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
    • G06F3/0416—Control or interface arrangements specially adapted for digitisers
    • G06F3/0418—Control or interface arrangements specially adapted for digitisers for error correction or compensation, e.g. based on parallax, calibration or alignment
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
    • G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
    • G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
    • G06F3/041—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
    • G06F3/044—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by capacitive means
    • G06F3/0446—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by capacitive means using a grid-like structure of electrodes in at least two directions, e.g. using row and column electrodes
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G2320/00—Control of display operating conditions
    • G09G2320/02—Improving the quality of display appearance
    • G09G2320/0209—Crosstalk reduction, i.e. to reduce direct or indirect influences of signals directed to a certain pixel of the displayed image on other pixels of said image, inclusive of influences affecting pixels in different frames or fields or sub-images which constitute a same image, e.g. left and right images of a stereoscopic display
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G2330/00—Aspects of power supply; Aspects of display protection and defect management
    • G09G2330/02—Details of power systems and of start or stop of display operation
    • G09G2330/021—Power management, e.g. power saving
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
    • G09G3/20—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
    • G09G3/34—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters by control of light from an independent source
    • G09G3/36—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters by control of light from an independent source using liquid crystals
    • G09G3/3611—Control of matrices with row and column drivers
    • G09G3/3648—Control of matrices with row and column drivers using an active matrix

Definitions

  • Embodiments of the present invention relate to an array substrate, a display device, an electronic device, a scanning method, and a scanning device. Background technique
  • the touch sensor In the existing touch screen technology, according to the position of the touch sensor, it can be divided into three modes: out-cell, on-cell and in-cell, wherein the out-cell is directly connected to the outside of the LCD.
  • This method makes the overall thickness of the whole machine thicker and the light transmittance becomes lower.
  • the On-cell is an inductor on the outside of the LCD's Color Filter (CF). This method reduces the thickness of the whole machine, but increases the CF manufacturing process.
  • the in-cell touch technology is directly fabricated in the LCD, not only does not increase the thickness, but can also be produced with the LCD, without additional manufacturing processes. Since the inductive voltage of the in cell sensor is small and the noise inside the LCD is complicated, the influence on the in-cell sensor is large, and the touch function cannot be completed.
  • an array substrate includes a gate line and a data line, and a pixel electrode and a thin film transistor formed in a pixel region defined by the gate line and the data line, the array substrate further comprising: parallel to the gate line A sensing line perpendicular to the data line is used to determine the position of the touched point by performing discharge detection during the first time period when there is a touch action.
  • the sense lines are disposed above or below the gate lines.
  • the sensing line has a first width and a second width perpendicular to the data line, the second width being greater than the first width.
  • the first time period is an overlap time between a sharing time between adjacent two data line signals and a non-overlapping time between adjacent two gate line signals.
  • one sensing line is provided corresponding to each of the gate lines.
  • the gate lines and the sense lines are insulated from each other and a first capacitance is formed therebetween;
  • the data line and the sense line are insulated from each other with a second capacitance formed therebetween.
  • a display device is provided.
  • the array substrate described above is included.
  • an electronic device is provided.
  • the display device described above is included.
  • the method includes: acquiring a non-overlapping time between a sharing time between adjacent two data line signals on the array substrate and adjacent two grid line signals; comparing sharing time with non-overlapping time, obtaining sharing time and non-overlap time The overlapping time; scanning the sensing line of the array substrate according to the overlapping time to obtain a scanning result; and determining that the touch screen corresponding to the array substrate is touched when the scanning result is that the sensing line capacitance is increased.
  • the scanning method further includes: detecting a coordinate relationship of the touched point of the touch screen according to the data line, the gate line and the sensing line; transmitting according to the coordinate relationship Give the host corresponding to the touch screen, and determine the touch position through the host.
  • a scanning device is provided.
  • the method includes: an obtaining module, configured to acquire a non-overlapping time between a sharing time between two adjacent data line signals on an array substrate and adjacent two gate line signals; a comparison module, configured to compare sharing time with Overlap time, obtaining an overlap time of the shared time and the non-overlapping time; a scanning module, configured to scan the sensing line of the array substrate according to the overlapping time to obtain a scan result; and a confirmation module, wherein the scan result is a sensing line When the capacitance increases, confirm that the touch screen corresponding to the array substrate is touched.
  • the scanning device further includes: a detecting module, configured to detect a coordinate relationship of the touched screen touched point according to the data line, the gate line and the sensing line; and a transmission module, configured to transmit the coordinate relationship to the host corresponding to the touch screen.
  • the present invention avoids LCD noise by setting a set of scan lines on the corresponding gate lines on the array substrate and using the time when the LCD signals are not changed.
  • FIG. 1 is a schematic structural view of an array substrate according to an embodiment of the present invention.
  • FIG. 2 is a waveform diagram of a sense line discharge detection according to an embodiment of the present invention.
  • FIG. 3 is a waveform diagram showing a corresponding scanning method according to an embodiment of the present invention.
  • FIG. 4 is a schematic diagram showing the main structure of a scanning device according to an embodiment of the present invention. detailed description
  • FIG. 1 is a schematic structural view of an array substrate according to an embodiment of the invention.
  • the array substrate includes a gate line 16 and a data line 14, and a pixel electrode 10 and a thin film transistor 12 formed in a pixel region defined by the gate line and the data line.
  • the array substrate further includes: parallel to the gate line 16 and
  • the sensing line 18, which is perpendicular to the data line 14, is used to determine the position of the touched point by performing discharge detection during the first time period when there is a touch action.
  • the sense line 18 can correspond to the gate line 16.
  • one sensing line is provided corresponding to each of the gate lines 16, but the embodiment according to the present invention is not limited thereto.
  • the gate lines and the data lines cross each other.
  • the gate lines and the data lines are perpendicular to each other.
  • FIG. 2 is a diagram showing the waveform of the sense line discharge detection according to the embodiment of the present invention. If there is a touch action, the capacitance of the sense line 18 increases due to the addition of the capacitance C-finger generated by the touch body such as the finger, so the discharge time increase. And the embodiment of the present invention utilizes the time when the LCD signal has not changed (described later) for sensing, avoiding LCD noise.
  • the sensing line 18 is disposed above or below the gate line 16.
  • sensing line 18 and gate The wires 16 are insulated from each other to form a first capacitance CGS therebetween.
  • the sensing line 18 has a first width and a second width at intersection with the data line 14, the second width being greater than the first width.
  • the sensing line 18 may have a non-uniform width. At the intersection with the data line 14, the sensing line 18 may be appropriately set slightly wider. The advantage of this arrangement is to increase the sensing capacitance. Although the sensing line 18 and the data line 14 are shown crossing each other in FIG. 1, the sensing line 18 and the data line 14 are insulated from each other to form a second capacitance CGD therebetween, that is, between the sensing line 18 and the data line 14. A second capacitor CGD is formed at the intersection.
  • the first time period is an overlap time of a sharing time between adjacent two data line signals and a non-overlapping time between adjacent two gate line signals.
  • Embodiments of the present invention utilize the overlap time (T) of the two timings (T) of TP and OE for discharge detection of the sense line 18. Because it is a projection capacitive touch method, the noise impact of the LCD is particularly large. Therefore, it is necessary to perform a touch scan when there is no voltage change of each signal line (data, gate, Vcom, etc.) of the LCD to avoid interference of the noise of the LCD on the induced signal. .
  • a display device provided by an embodiment of the present invention includes the above array substrate.
  • Embodiments of the present invention provide an electronic device including the display device described above.
  • Step 301 Obtain a non-overlapping time between a sharing time between adjacent two data line signals on the array substrate and two adjacent gate line signals;
  • Step 303 Comparing the sharing time with the non-overlapping time, and obtaining an overlapping time of the sharing time and the non-overlapping time;
  • Step 305 Scan the sensing line of the array substrate according to the overlapping time to obtain a scan result
  • Step 307 When the scan result is that the sensing line capacitance increases, it is determined that the touch screen corresponding to the array substrate is touched.
  • FIG. 3 is a waveform diagram showing a corresponding scanning method according to an embodiment of the present invention. As shown in Figure 3, because of the projection capacitive touch mode, the noise of the LCD is particularly large. Therefore, it is necessary to perform touch scanning and sensing when the signal lines (data, gate, Vcom, etc.) of the LCD have no voltage change.
  • the timing with the LCD signal is as follows:
  • TP charge sharing time
  • OE gate line signals
  • the touch signal scanning is completed in the gap between the gate signal and the data signal, thereby solving the influence of the LCD noise.
  • the scanning method further includes: detecting, according to the data line, the grid line, and the sensing line, a coordinate relationship of the touched point of the touch screen; It is transmitted to the host corresponding to the touch screen, and the related processing is initiated by the host, that is, the touch position is obtained by the host.
  • the scanning device includes: an obtaining module 52, configured to acquire a non-overlapping time between a sharing time between adjacent two data line signals on the array substrate and two adjacent gate line signals;
  • the comparing module 54 is configured to compare the sharing time with the non-overlapping time to obtain an overlapping time of the sharing time and the non-overlapping time.
  • the scanning module 56 is configured to scan the sensing line of the array substrate according to the overlapping time to obtain a scanning result.
  • the confirmation module 58 is configured to confirm that the touch screen corresponding to the array substrate is touched when the scan result is that the sensing line capacitance increases.
  • the scanning device further includes a detecting module (not shown) for detecting a coordinate relationship of the touched point of the touch screen according to the data line, the gate line and the sensing line; and a transmission module (not shown) for using the coordinate The relationship is transmitted to the host corresponding to the touch screen, and the related processing is initiated by the host.
  • a detecting module (not shown) for detecting a coordinate relationship of the touched point of the touch screen according to the data line, the gate line and the sensing line
  • a transmission module (not shown) for using the coordinate The relationship is transmitted to the host corresponding to the touch screen, and the related processing is initiated by the host.
  • the display device and the electronic device according to an embodiment of the present invention may also include the above-described scanning device for performing touch detection.
  • the embodiment of the present invention is directly fabricated in the LCD by the in-cell touch technology, not only the thickness is not increased, but also Produced in the same way as the LCD, no additional manufacturing processes. And by setting a set of scan lines on the corresponding gate lines on the array substrate, and sensing by using the LCD signal without change time, the LCD noise is avoided, and the LCD aperture ratio is not affected.

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Human Computer Interaction (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Control Of Indicators Other Than Cathode Ray Tubes (AREA)
  • Liquid Crystal Display Device Control (AREA)
  • Liquid Crystal (AREA)
  • Position Input By Displaying (AREA)

Abstract

An array substrate, a display apparatus, an electronic apparatus, a scanning method, and a scanning device, which are used to solve a problem of signal scanning and signal interference of an in cell touchscreen. The array substrate comprises gate lines (16) and data lines (14), and pixel electrodes (10) and thin film transistors (12) formed within pixel areas defined by the gate lines (16) and the data lines (14). The array substrate further comprises induction lines (18) parallel to the gate lines (16) and perpendicular to the data lines (14), used to determine, when there is a touch action, a position of a touched point by performing discharge detection within a first time segment.

Description

阵列基板、 显示设备、 电子设备、 扫描方法以及扫描装置 技术领域  Array substrate, display device, electronic device, scanning method, and scanning device
本发明的实施例涉及一种阵列基板、 显示设备、 电子设备、 扫描方法以 及扫描装置。 背景技术  Embodiments of the present invention relate to an array substrate, a display device, an electronic device, a scanning method, and a scanning device. Background technique
现有触摸屏技术中， 根据触摸感应器（touch sensor )位置的不同， 可分 为 out-cell, on-cell和 in-cell三种方式，其中 out-cell是在 LCD外面直接加上 感应器， 这种方法使得整机整体厚度变厚， 而且透光率变低。 On-cell是在 LCD的彩色滤光片（Color Filter, CF)外侧制作感应器， 这种方法降低了整机 的厚度， 但是增加 CF的制作工序。 而 in-cell触摸技术直接在 LCD内制作， 不仅厚度不增加， 而且可以和 LCD—同制作， 没有额外的制作工序。 由于 in cell感应器的感应电压较小，并且 LCD内噪声复杂，对 in-cell感应器的影 响很大， 甚至不能完成触摸功能。  In the existing touch screen technology, according to the position of the touch sensor, it can be divided into three modes: out-cell, on-cell and in-cell, wherein the out-cell is directly connected to the outside of the LCD. This method makes the overall thickness of the whole machine thicker and the light transmittance becomes lower. The On-cell is an inductor on the outside of the LCD's Color Filter (CF). This method reduces the thickness of the whole machine, but increases the CF manufacturing process. The in-cell touch technology is directly fabricated in the LCD, not only does not increase the thickness, but can also be produced with the LCD, without additional manufacturing processes. Since the inductive voltage of the in cell sensor is small and the noise inside the LCD is complicated, the influence on the in-cell sensor is large, and the touch function cannot be completed.
因此， 现有技术中， in-cell触摸屏存在噪音较大的问题。 发明内容  Therefore, in the prior art, the in-cell touch screen has a problem of high noise. Summary of the invention
根据本发明的一个实施例提供一种阵列基板， 包括栅线和数据线， 以及 形成在栅线和数据线限定的像素区域内的像素电极和薄膜晶体管， 阵列基板 还包括： 平行于栅线并垂直于数据线的感应线， 用于在有触摸动作时， 通过 在第一时段内进行放电检测来确定被触摸点的位置。  According to an embodiment of the present invention, an array substrate includes a gate line and a data line, and a pixel electrode and a thin film transistor formed in a pixel region defined by the gate line and the data line, the array substrate further comprising: parallel to the gate line A sensing line perpendicular to the data line is used to determine the position of the touched point by performing discharge detection during the first time period when there is a touch action.
在一个实施例中， 感应线设置在栅线的上方或下方。  In one embodiment, the sense lines are disposed above or below the gate lines.
在一个实施例中，感应线具有第一宽度以及与数据线垂直处的第二宽度， 第二宽度大于第一宽度。  In one embodiment, the sensing line has a first width and a second width perpendicular to the data line, the second width being greater than the first width.
在一个实施例中， 第一时段为相邻的两条数据线信号之间的共享时间与 相邻的两条栅线信号之间的不重叠时间的交叠时间。  In one embodiment, the first time period is an overlap time between a sharing time between adjacent two data line signals and a non-overlapping time between adjacent two gate line signals.
在一个实施例中， 对应于每条栅线设置有一条感应线。  In one embodiment, one sensing line is provided corresponding to each of the gate lines.
在一个实施例中，栅线与感应线彼此绝缘，且在它们之间形成第一电容； 数据线与感应线彼此绝缘， 且在它们之间形成第二电容。 In one embodiment, the gate lines and the sense lines are insulated from each other and a first capacitance is formed therebetween; The data line and the sense line are insulated from each other with a second capacitance formed therebetween.
根据本发明的另一个实施例提供一种显示设备，  According to another embodiment of the present invention, a display device is provided.
包括上述的阵列基板。  The array substrate described above is included.
根据本发明的再一个实施例提供一种电子设备，  According to still another embodiment of the present invention, an electronic device is provided.
包括上述的显示设备。  The display device described above is included.
根据本发明的又一个实施例提供一种扫描方法，  According to still another embodiment of the present invention, a scanning method is provided,
包括： 获取阵列基板上的相邻两条数据线信号之间的共享时间与相邻的 两条栅线信号之间的不重叠时间； 比较共享时间与不重叠时间， 得到共享时 间与不重叠时间的交叠时间； 根据交叠时间对阵列基板的感应线进行扫描， 得到一扫描结果； 以及在扫描结果为感应线电容增加时， 确定阵列基板对应 的触摸屏被触摸。  The method includes: acquiring a non-overlapping time between a sharing time between adjacent two data line signals on the array substrate and adjacent two grid line signals; comparing sharing time with non-overlapping time, obtaining sharing time and non-overlap time The overlapping time; scanning the sensing line of the array substrate according to the overlapping time to obtain a scanning result; and determining that the touch screen corresponding to the array substrate is touched when the scanning result is that the sensing line capacitance is increased.
进一步地， 在扫描结果为感应线电容增加时， 确定阵列基板对应的触摸 屏被触摸之后， 扫描方法还包括： 根据数据线、 栅线与感应线检测触摸屏被 触摸点的坐标关系； 根据坐标关系传输给触摸屏对应的主机， 以及通过主机 确定触摸位置。  Further, after the scan result is that the sensing line capacitance is increased, after determining that the touch screen corresponding to the array substrate is touched, the scanning method further includes: detecting a coordinate relationship of the touched point of the touch screen according to the data line, the gate line and the sensing line; transmitting according to the coordinate relationship Give the host corresponding to the touch screen, and determine the touch position through the host.
根据本发明的又一个实施例提供一种扫描装置，  According to still another embodiment of the present invention, a scanning device is provided.
包括： 获取模块， 用于获取阵列基板上的相邻两条数据线信号之间的共 享时间与相邻的两条栅线信号之间的不重叠时间； 比较模块， 用于比较共享 时间与不重叠时间， 得到共享时间与不重叠时间的交叠时间； 扫描模块， 用 于根据交叠时间对阵列基板的感应线进行扫描， 得到一扫描结果； 以及确认 模块， 用于在扫描结果为感应线电容增加时， 确认阵列基板对应的触摸屏被 触摸。  The method includes: an obtaining module, configured to acquire a non-overlapping time between a sharing time between two adjacent data line signals on an array substrate and adjacent two gate line signals; a comparison module, configured to compare sharing time with Overlap time, obtaining an overlap time of the shared time and the non-overlapping time; a scanning module, configured to scan the sensing line of the array substrate according to the overlapping time to obtain a scan result; and a confirmation module, wherein the scan result is a sensing line When the capacitance increases, confirm that the touch screen corresponding to the array substrate is touched.
在一个实施例中， 扫描装置还包括： 检测模块， 用于根据数据线、 栅线 与感应线检测触摸屏被触摸点的坐标关系； 传输模块， 用于将坐标关系传输 给触摸屏对应的主机。  In one embodiment, the scanning device further includes: a detecting module, configured to detect a coordinate relationship of the touched screen touched point according to the data line, the gate line and the sensing line; and a transmission module, configured to transmit the coordinate relationship to the host corresponding to the touch screen.
本发明通过在阵列基板上对应栅线设置一组扫描线， 并利用 LCD信号 没有变化的时间进行感测， 避免 LCD噪音。 附图说明  The present invention avoids LCD noise by setting a set of scan lines on the corresponding gate lines on the array substrate and using the time when the LCD signals are not changed. DRAWINGS
为了更清楚地说明本发明实施例的技术方案， 下面将对实施例的附图作 简单地介绍，显而易见地，下面描述中的附图仅仅涉及本发明的一些实施例， 而非对本发明的限制。 In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the following will be made for the drawings of the embodiments. Briefly, the drawings in the following description are merely illustrative of the embodiments of the invention and are not intended to limit the invention.
图 1表示本发明实施例所述的阵列基板的结构示意图；  1 is a schematic structural view of an array substrate according to an embodiment of the present invention;
图 2表示本发明实施例所述的感应线放电检测波形图；  2 is a waveform diagram of a sense line discharge detection according to an embodiment of the present invention;
图 3表示本发明实施例所述的对应扫描方法的波形图； 以及  3 is a waveform diagram showing a corresponding scanning method according to an embodiment of the present invention;
图 4表示本发明实施例所述的扫描装置的主要结构示意图。 具体实施方式  FIG. 4 is a schematic diagram showing the main structure of a scanning device according to an embodiment of the present invention. detailed description
为使本发明实施例的目的、 技术方案和优点更加清楚， 下面将结合本发 明实施例的附图，对本发明实施例的技术方案进行清楚、 完整地描述。显然， 所描述的实施例是本发明的一部分实施例， 而不是全部的实施例。 基于所描 述的本发明的实施例， 本领域普通技术人员在无需创造性劳动的前提下所获 得的所有其他实施例， 都属于本发明保护的范围。  The technical solutions of the embodiments of the present invention are clearly and completely described in the following with reference to the accompanying drawings of the embodiments of the present invention. It is apparent that the described embodiments are part of the embodiments of the invention, rather than all of the embodiments. All other embodiments obtained by a person of ordinary skill in the art based on the described embodiments of the present invention without departing from the scope of the invention are within the scope of the invention.
图 1表示本发明实施例所述的阵列基板的结构示意图。  FIG. 1 is a schematic structural view of an array substrate according to an embodiment of the invention.
参见图 1所示， 阵列基板包括栅线 16和数据线 14, 以及形成在栅线和 数据线限定的像素区域内的像素电极 10和薄膜晶体管 12,阵列基板还包括： 平行于栅线 16并垂直于数据线 14的感应线 18, 用于在有触摸动作时， 通过 在第一时段内进行放电检测来确定被触摸点的位置。例如，感应线 18可以对 应于栅线 16设置。在一个实施例中，对应于每条栅线 16设置有一条感应线， 但根据本发明的实施例不限于此。  Referring to FIG. 1, the array substrate includes a gate line 16 and a data line 14, and a pixel electrode 10 and a thin film transistor 12 formed in a pixel region defined by the gate line and the data line. The array substrate further includes: parallel to the gate line 16 and The sensing line 18, which is perpendicular to the data line 14, is used to determine the position of the touched point by performing discharge detection during the first time period when there is a touch action. For example, the sense line 18 can correspond to the gate line 16. In one embodiment, one sensing line is provided corresponding to each of the gate lines 16, but the embodiment according to the present invention is not limited thereto.
例如， 栅线和数据线彼此交叉。 在一个实施例中， 栅线和数据线彼此垂 直。  For example, the gate lines and the data lines cross each other. In one embodiment, the gate lines and the data lines are perpendicular to each other.
通过本实施例的上述技术方案，在阵列基板上对应栅线 16设置一组感应 线 18,感应线 18的线宽、形状等可根据 IC要求进行设计。触摸工作方法是： 对感应线 18充电后放电， 并检测感应线 18的放电情况。 图 2表示本发明实 施例所述的感应线放电检测波形图， 如果有触摸动作时， 由于诸如手指的触 摸体产生的电容 C— finger的加入， 导致感应线 18上的电容增加， 所以放电 时间增加。 并且本发明的实施例利用 LCD信号没有变化的时间 （在稍后进 行描述 )进行感测， 避免 LCD噪音。  With the above technical solution of the embodiment, a set of sensing lines 18 are disposed on the corresponding array lines 16 on the array substrate, and the line width, shape and the like of the sensing lines 18 can be designed according to IC requirements. The touch working method is: discharging the sensing line 18 after charging, and detecting the discharge condition of the sensing line 18. FIG. 2 is a diagram showing the waveform of the sense line discharge detection according to the embodiment of the present invention. If there is a touch action, the capacitance of the sense line 18 increases due to the addition of the capacitance C-finger generated by the touch body such as the finger, so the discharge time increase. And the embodiment of the present invention utilizes the time when the LCD signal has not changed (described later) for sensing, avoiding LCD noise.
可选地，感应线 18设置在栅线 16的上方或下方。例如， 感应线 18和栅 线 16之间彼此绝缘， 以在它们之间形成第一电容 CGS。 Alternatively, the sensing line 18 is disposed above or below the gate line 16. For example, sensing line 18 and gate The wires 16 are insulated from each other to form a first capacitance CGS therebetween.
可选地， 感应线 18具有第一宽度以及与数据线 14交叉处的第二宽度， 第二宽度大于第一宽度。  Optionally, the sensing line 18 has a first width and a second width at intersection with the data line 14, the second width being greater than the first width.
在本实施例的上述技术方案中，感应线 18可以宽度不均匀，在与数据线 14的交叉处， 感应线 18可适当设置的略宽， 这样设置的好处是增大感应电 容。 图 1中虽然显示感应线 18和数据线 14彼此交叉，但感应线 18和数据线 14之间是彼此绝缘的， 以在它们之间形成第二电容 CGD, 即在感应线 18和 数据线 14的交叉处形成第二电容 CGD。  In the above technical solution of the embodiment, the sensing line 18 may have a non-uniform width. At the intersection with the data line 14, the sensing line 18 may be appropriately set slightly wider. The advantage of this arrangement is to increase the sensing capacitance. Although the sensing line 18 and the data line 14 are shown crossing each other in FIG. 1, the sensing line 18 and the data line 14 are insulated from each other to form a second capacitance CGD therebetween, that is, between the sensing line 18 and the data line 14. A second capacitor CGD is formed at the intersection.
优选地， 第一时段为相邻的两条数据线信号之间的共享时间与相邻的两 条栅线信号之间的不重叠时间的交叠时间。  Preferably, the first time period is an overlap time of a sharing time between adjacent two data line signals and a non-overlapping time between adjacent two gate line signals.
在本实施例的上述技术方案中， 在 LCD驱动中， 每相邻的两个数据线 14信号之间， 都会有一个电荷共享的时间 （TP ) , 用于降低功耗； 在每相邻 的两个栅线 16信号之间， 会有一个不重叠的时间 （OE ) , 用于防止相邻行 的串扰（如果上一行栅极在没有到关断之前， 本行数据信号输入就会使上一 行栅极误充电。为防止上述情况发生，使用 OE时间将上一行栅极提前关断 )。 本发明的实施例利用这个 TP和 OE这两个定时（ timing ) 的交叠时间 （ T ) 进行感应线 18的放电检测。 由于是投影电容式的触摸方式， LCD的噪音影 响特别大， 所以需要在 LCD各条信号线（data、 gate, Vcom等）没有电压 变化时进行触摸扫描， 以避免 LCD的噪声对感应信号的干扰。  In the above technical solution of the embodiment, in the LCD driving, there is a charge sharing time (TP) between each adjacent two data lines 14 signals for reducing power consumption; There is a non-overlapping time (OE) between the two gate lines 16 to prevent crosstalk between adjacent lines (if the previous row of gates is not turned off, the data signal input will be on the line) One row of gates is incorrectly charged. To prevent this from happening, use the OE time to turn off the previous row of gates in advance). Embodiments of the present invention utilize the overlap time (T) of the two timings (T) of TP and OE for discharge detection of the sense line 18. Because it is a projection capacitive touch method, the noise impact of the LCD is particularly large. Therefore, it is necessary to perform a touch scan when there is no voltage change of each signal line (data, gate, Vcom, etc.) of the LCD to avoid interference of the noise of the LCD on the induced signal. .
本发明的实施例提供的显示设备包括上述的阵列基板。  A display device provided by an embodiment of the present invention includes the above array substrate.
本发明的实施例提供电子设备包括上述的显示设备。  Embodiments of the present invention provide an electronic device including the display device described above.
根据本发明实施例的扫描方法包括：  A scanning method according to an embodiment of the present invention includes:
步骤 301 : 获取阵列基板上的相邻两条数据线信号之间的共享时间与相 邻的两条栅线信号之间的不重叠时间；  Step 301: Obtain a non-overlapping time between a sharing time between adjacent two data line signals on the array substrate and two adjacent gate line signals;
步骤 303: 比较共享时间与不重叠时间， 得到共享时间与不重叠时间的 交叠时间；  Step 303: Comparing the sharing time with the non-overlapping time, and obtaining an overlapping time of the sharing time and the non-overlapping time;
步骤 305: 根据交叠时间对阵列基板的感应线进行扫描， 得到一扫描结 果； 以及  Step 305: Scan the sensing line of the array substrate according to the overlapping time to obtain a scan result;
步骤 307: 在扫描结果为感应线电容增加时， 确定阵列基板对应的触摸 屏被触摸。 图 3表示本发明实施例所述的对应扫描方法的波形图。 参见图 3所示， 由于是投影电容式的触摸方式， LCD 的噪音影响特别大， 所以需要在 LCD 各条信号线（data、 gate, Vcom等）没有电压变化时进行 touch扫描和感应， 触摸信号与 LCD信号的时序如下： Step 307: When the scan result is that the sensing line capacitance increases, it is determined that the touch screen corresponding to the array substrate is touched. FIG. 3 is a waveform diagram showing a corresponding scanning method according to an embodiment of the present invention. As shown in Figure 3, because of the projection capacitive touch mode, the noise of the LCD is particularly large. Therefore, it is necessary to perform touch scanning and sensing when the signal lines (data, gate, Vcom, etc.) of the LCD have no voltage change. The timing with the LCD signal is as follows:
S: 感应线（ sensor line ) ； G: 极线； Data: 数据线  S: sensor line; G: polar line; Data: data line
每相邻的两个数据线信号之间， 都会有一个电荷共享的时间 （TP )用于 降低功耗； 在每相邻的两个栅线信号之间， 会有一个不重叠的时间 （OE )用 于防止相邻行的串扰（如果上一行栅极在没有到关断之前， 本行数据信号输 入就会使上一行栅极误充电。 为防止上述情况发生， 使用 OE时间将上一行 栅极提前关断） 。 本发明的实施例利用这个 TP和 OE这两个 timing的交叠 时间 （ T )进行感应线的放电检测。  There is a charge sharing time (TP) between each adjacent two data line signals to reduce power consumption; there is a non-overlapping time between each adjacent two gate line signals (OE ) Used to prevent crosstalk of adjacent lines (if the previous row of gates is not turned off, the data signal input of this line will cause the previous row of gates to be mischarged. To prevent this from happening, use OE time to the previous row.) Extremely shut down in advance). Embodiments of the present invention utilize this overlap time (T) of the two timings TP and OE for discharge detection of the sense line.
通过本实施例的上述技术方案， 通过调整优化 LCD信号， 在栅极信号 和数据信号间隙完成触摸信号扫描， 解决了 LCD噪音的影响。  Through the above technical solution of the embodiment, by adjusting and optimizing the LCD signal, the touch signal scanning is completed in the gap between the gate signal and the data signal, thereby solving the influence of the LCD noise.
可选地， 在扫描结果为感应线电容增加时， 确定阵列基板对应的触摸屏 被触摸之后， 扫描方法还包括： 根据数据线、 栅线与感应线检测触摸屏被触 摸点的坐标关系； 根据坐标关系传输给触摸屏对应的主机， 以及通过主机启 动相关处理， 即通过主机获得触摸位置。  Optionally, after the scan result is that the sensing line capacitance is increased, after determining that the touch screen corresponding to the array substrate is touched, the scanning method further includes: detecting, according to the data line, the grid line, and the sensing line, a coordinate relationship of the touched point of the touch screen; It is transmitted to the host corresponding to the touch screen, and the related processing is initiated by the host, that is, the touch position is obtained by the host.
本发明的实施例提供的扫描装置包括： 获取模块 52, 用于获取阵列基板 上的相邻两条数据线信号之间的共享时间与相邻的两条栅线信号之间的不重 叠时间； 比较模块 54, 用于比较共享时间与不重叠时间， 得到共享时间与不 重叠时间的交叠时间； 扫描模块 56, 用于根据交叠时间对阵列基板的感应线 进行扫描， 得到一扫描结果； 以及确认模块 58, 用于在扫描结果为感应线电 容增加时， 确认阵列基板对应的触摸屏被触摸。  The scanning device provided by the embodiment of the present invention includes: an obtaining module 52, configured to acquire a non-overlapping time between a sharing time between adjacent two data line signals on the array substrate and two adjacent gate line signals; The comparing module 54 is configured to compare the sharing time with the non-overlapping time to obtain an overlapping time of the sharing time and the non-overlapping time. The scanning module 56 is configured to scan the sensing line of the array substrate according to the overlapping time to obtain a scanning result. And the confirmation module 58 is configured to confirm that the touch screen corresponding to the array substrate is touched when the scan result is that the sensing line capacitance increases.
可选地， 扫描装置还包括检测模块（图中未示） ， 用于根据数据线、 栅 线与感应线检测触摸屏被触摸点的坐标关系； 传输模块（图中未示） ， 用于 将坐标关系传输给触摸屏对应的主机， 以及通过主机启动相关处理。  Optionally, the scanning device further includes a detecting module (not shown) for detecting a coordinate relationship of the touched point of the touch screen according to the data line, the gate line and the sensing line; and a transmission module (not shown) for using the coordinate The relationship is transmitted to the host corresponding to the touch screen, and the related processing is initiated by the host.
例如， 根据本发明实施例的显示设备和电子设备也可以包括上述扫描装 置， 以进行触摸检测。  For example, the display device and the electronic device according to an embodiment of the present invention may also include the above-described scanning device for performing touch detection.
根据本发明实施例的技术方案， 本领域技术人员应当发现， 本发明的实 施例通过 in-cell触摸技术直接在 LCD内制作， 不仅厚度不增加， 而且可以 和 LCD —同制作， 没有额外的制作工序。 并且通过在阵列基板上对应栅线 设置一组扫描线， 并利用 LCD信号没有变化的时间进行感测， 避免 LCD噪 音， 而且不影响 LCD开口率。 According to the technical solution of the embodiment of the present invention, those skilled in the art should find that the embodiment of the present invention is directly fabricated in the LCD by the in-cell touch technology, not only the thickness is not increased, but also Produced in the same way as the LCD, no additional manufacturing processes. And by setting a set of scan lines on the corresponding gate lines on the array substrate, and sensing by using the LCD signal without change time, the LCD noise is avoided, and the LCD aperture ratio is not affected.
以上所述仅是本发明的示范性实施方式， 而非用于限制本发明的保护范 围， 本发明的保护范围由所附的权利要求确定。  The above is only an exemplary embodiment of the present invention, and is not intended to limit the scope of the present invention. The scope of the present invention is defined by the appended claims.

Claims

权利要求书 Claim
1. 一种阵列基板， 包括： An array substrate comprising:
栅线和数据线；  Grid lines and data lines;
形成在栅线和数据线限定的像素区域内的像素电极和薄膜晶体管； 以及 平行于所述栅线并垂直于所述数据线的感应线， 用于在有触摸动作时， 通过在第一时段内进行放电检测来确定被触摸点的位置。  a pixel electrode and a thin film transistor formed in a pixel region defined by the gate line and the data line; and a sensing line parallel to the gate line and perpendicular to the data line, for passing in the first period when there is a touch action The discharge detection is performed to determine the position of the touched point.
2. 如权利要求 1所述的阵列基板， 其中， 所述感应线设置在所述栅线的 上方或下方。  The array substrate according to claim 1, wherein the sensing line is disposed above or below the gate line.
3. 如权利要求 1或 2所述的阵列基板， 其中， 所述感应线具有第一宽度 以及与所述数据线的交叉处的第二宽度， 所述第二宽度大于所述第一宽度。  The array substrate according to claim 1 or 2, wherein the sensing line has a first width and a second width at an intersection with the data line, and the second width is greater than the first width.
4. 如权利要求 1至 3中任一项所述的阵列基板， 其中， 所述第一时段为 相邻的两条所述数据线信号之间的共享时间与相邻的两条所述栅线信号之间 的不重叠时间的交叠时间。  The array substrate according to any one of claims 1 to 3, wherein the first time period is a sharing time between adjacent two of the data line signals and two adjacent ones of the gates The overlap time of the non-overlapping time between the line signals.
5. 如权利要求 1至 4中任一项所述的阵列基板， 其中， 对应于每条所述 栅线设置有一条感应线。  The array substrate according to any one of claims 1 to 4, wherein a sensing line is provided corresponding to each of the gate lines.
6. 如权利要求 1至 5中任一项所述的阵列基板， 其中， 所述栅线与所述 感应线彼此绝缘， 且在它们之间形成第一电容； 所述数据线与所述感应线彼 此绝缘， 且在它们之间形成第二电容。  The array substrate according to any one of claims 1 to 5, wherein the gate line and the sensing line are insulated from each other with a first capacitance formed therebetween; the data line and the sensing The wires are insulated from each other and a second capacitance is formed between them.
7. 一种显示设备， 包括权利要求 1至 6中任一项所述的阵列基板。  A display device comprising the array substrate according to any one of claims 1 to 6.
8. —种电子设备， 包括权利要求 7所述的显示设备。  8. An electronic device comprising the display device of claim 7.
9. 一种扫描方法， 包括：  9. A scanning method comprising:
获取阵列基板上的相邻两条数据线信号之间的共享时间与相邻的两条栅 线信号之间的不重叠时间；  Obtaining a non-overlapping time between a sharing time between adjacent two data line signals on the array substrate and adjacent two grid signals;
比较所述共享时间与所述不重叠时间， 得到所述共享时间与所述不重叠 时间的交叠时间；  Comparing the sharing time with the non-overlapping time to obtain an overlapping time of the sharing time and the non-overlapping time;
根据所述交叠时间对所述阵列基板的感应线进行扫描，得到一扫描结果； 以及  Scanning the sensing line of the array substrate according to the overlapping time to obtain a scanning result;
在所述扫描结果为所述感应线电容增加时， 确定所述阵列基板对应的触 摸屏被触摸。 When the scan result is that the sensing line capacitance increases, it is determined that the touch screen corresponding to the array substrate is touched.
10. 如权利要求 9所述的扫描方法， 其中， 在所述扫描结果为所述感应 线电容增加时， 确定所述阵列基板对应的触摸屏被触摸之后， 所述扫描方法 还包括： The scanning method according to claim 9, wherein, after the scanning result is that the sensing line capacitance is increased, after the touch screen corresponding to the array substrate is determined to be touched, the scanning method further includes:
根据所述数据线、 所述栅线与所述感应线检测所述触摸屏被触摸点的坐 标关系； 以及  Detecting, according to the data line, the gate line and the sensing line, a coordinate relationship of the touched point of the touch screen; and
根据所述坐标关系传输给所述触摸屏对应的主机， 以及通过所述主机确 定触摸位置。  And transmitting to the host corresponding to the touch screen according to the coordinate relationship, and determining a touch position by the host.
11. 一种扫描装置， 包括：  11. A scanning device comprising:
获耳4莫块， 用于获取阵列基板上的相邻两条数据线信号之间的共享时间 与相邻的两条栅线信号之间的不重叠时间；  Obtaining an ear block for acquiring a non-overlapping time between a sharing time between adjacent two data line signals on the array substrate and adjacent two gate line signals;
比较模块， 用于比较所述共享时间与所述不重叠时间， 得到所述共享时 间与所述不重叠时间的交叠时间；  a comparison module, configured to compare the sharing time with the non-overlap time, to obtain an overlap time of the sharing time and the non-overlapping time;
扫描模块， 用于根据所述交叠时间对所述阵列基板的感应线进行扫描， 得到一扫描结果； 以及  a scanning module, configured to scan the sensing line of the array substrate according to the overlapping time to obtain a scanning result;
确认模块， 用于在所述扫描结果为所述感应线电容增加时， 确认所述阵 列基板对应的触摸屏被触摸。  And a confirmation module, configured to confirm that the touch screen corresponding to the array substrate is touched when the scan result is increased by the sensing line capacitance.
12. 如权利要求 11所述的扫描装置， 还包括：  12. The scanning device of claim 11, further comprising:
检测模块， 用于根据所述数据线、 所述栅线与所述感应线检测所述触摸 屏被触摸点的坐标关系； 以及  a detecting module, configured to detect, according to the data line, the gate line and the sensing line, a coordinate relationship of the touched point of the touch screen; and
传输模块， 用于将所述坐标关系传输给所述触摸屏对应的主机。  And a transmission module, configured to transmit the coordinate relationship to a host corresponding to the touch screen.
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