WO2022057530A1 - 驱动控制模组、驱动控制方法、双层面板和显示装置 - Google Patents

驱动控制模组、驱动控制方法、双层面板和显示装置 Download PDF

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Publication number
WO2022057530A1
WO2022057530A1 PCT/CN2021/112229 CN2021112229W WO2022057530A1 WO 2022057530 A1 WO2022057530 A1 WO 2022057530A1 CN 2021112229 W CN2021112229 W CN 2021112229W WO 2022057530 A1 WO2022057530 A1 WO 2022057530A1
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WIPO (PCT)
Prior art keywords
panel
control
touch
frame
circuit
Prior art date
Application number
PCT/CN2021/112229
Other languages
English (en)
French (fr)
Inventor
李鹏涛
韩锐
于洁
马青
尹大根
崔栋
田丽
Original Assignee
京东方科技集团股份有限公司
北京京东方光电科技有限公司
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.)
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Application filed by 京东方科技集团股份有限公司, 北京京东方光电科技有限公司 filed Critical 京东方科技集团股份有限公司
Priority to US17/904,181 priority Critical patent/US20230067469A1/en
Priority to GB2218204.2A priority patent/GB2610964A/en
Publication of WO2022057530A1 publication Critical patent/WO2022057530A1/zh

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/02—Constructional features of telephone sets
    • H04M1/0202—Portable telephone sets, e.g. cordless phones, mobile phones or bar type handsets
    • H04M1/026—Details of the structure or mounting of specific components
    • H04M1/0266—Details of the structure or mounting of specific components for a display module assembly
    • 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
    • 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
    • G06F3/04184—Synchronisation with the driving of the display or the backlighting unit to avoid interferences generated internally
    • 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/02—Constructional features of telephone sets
    • H04M1/0202—Portable telephone sets, e.g. cordless phones, mobile phones or bar type handsets
    • H04M1/0249—Details of the mechanical connection between the housing parts or relating to the method of assembly
    • 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

Definitions

  • the present disclosure relates to the technical field of touch display, and in particular, to a drive control module, a drive control method, a double-layer panel and a display device.
  • the first panel is a touch display panel
  • the second panel is a display panel.
  • the first panel 71 and the second panel 72 are adhered to each other by adhesive glue. Since the first panel 71 and the second panel 72 are relatively close to each other, the first panel 71 There is a capacitance between the second panel 72 and the second panel 72.
  • the first panel will be coupled by the capacitance and the voltage will change. If the changes in different areas of the second panel 72 are different, the first panel 71 is different. It will also be different if the area is capacitively coupled.
  • the touch detection principle of the first panel 71 is to obtain the touch coordinates by detecting voltage changes. If the touch detection process is always affected by the second panel 72, the touch accuracy and precision of the first panel 71 will be greatly affected, and in severe cases, malfunction will occur.
  • an embodiment of the present disclosure provides a drive control module applied to a double-layer panel, wherein the double-layer panel includes a first panel and a second panel, the first panel is a touch display panel, and the The second panel is a display panel, and the drive control module includes a control circuit;
  • control circuit is electrically connected to the first panel and the second panel respectively, and is used for controlling the touch stage of the first panel to be arranged in the interval stage of the second panel;
  • the first panel is used for touch detection in the touch stage
  • the interval phase includes at least one of a scan blank phase, a frame start time of a frame display time, and a frame end time of a frame display time.
  • the interval phase includes a scan blank phase
  • the scan blank phase includes an inter-frame blank period
  • the control circuit is configured to control the first panel to perform a touch control phase in the inter-frame blank period. touch detection, and controlling the inter-frame blanking period of the first panel to at least partially overlap the inter-frame blanking period of the second panel.
  • control circuit is configured to control the refresh rate of the first panel to be the same as the refresh rate of the second panel, and to control frame synchronization between the first panel and the second panel.
  • control circuit is specifically configured to control the inter-frame blanking period of the first panel to overlap with the inter-frame blanking period of the second panel, so that the touch stage of the first panel is set at the in the blank time period between frames of the second panel.
  • control circuit is specifically configured to control the interval between the scan start time of the first panel and the scan start time of the second panel to be less than or equal to the first error time, and the interval stage includes a The frame start time of the frame picture display time or the frame end time of a frame picture display time.
  • the ratio between the first error time and the display time of one frame of picture is less than or equal to 0.05.
  • the ratio of the duration of the touch phase to the duration of the blank period between frames is greater than or equal to 0.2 and less than or equal to 0.6;
  • the touch stage is set in the blank period between frames of the first panel, and the time difference between the start time of the touch stage and the start time of the blank period between frames is the same as the blank time between frames.
  • the ratio between segment durations is less than or equal to 0.4.
  • control circuit is specifically configured to control the second panel to stop display driving when the first panel performs touch detection.
  • control circuit is further configured to control the second panel to continue to display the current picture when the first panel performs touch detection, and control the display from the second panel when the first panel enters the display stage.
  • the grid lines to be scanned in the panel start to continue scanning;
  • the to-be-scanned grid line is a grid line next to the grid line to be scanned last in the second panel before touch detection is performed on the first panel.
  • control circuit includes a first drive control sub-circuit, a control sub-circuit and a second drive control sub-circuit;
  • the first drive control sub-circuit is electrically connected to the first panel, and is used for outputting a touch indication signal according to the touch state of the first panel;
  • the control sub-circuit is electrically connected to the first drive control sub-circuit and the second drive control sub-circuit respectively, and is used for receiving the touch indication signal, and when the touch indication signal indicates the first When the panel enters the touch stage, a drive stop control signal is provided to the second drive control sub-circuit, and when the touch indication signal indicates that the first panel enters the display stage, the second drive control sub-circuit is provided with a drive stop control signal.
  • the second drive control sub-circuit is electrically connected to the second panel, and is configured to control and stop scanning all the row gate lines included in the second panel in response to the received drive stop control signal, and record it in the received Before the drive stop control signal, the number N of rows where the last scanned gate line in the second panel is located, and in response to the drive control signal, control the N+1th gate line from the second panel
  • the row grid line continues to scan;
  • N is a positive integer.
  • the second drive control sub-circuit is specifically configured to, in response to the drive stop control signal, control to provide a first voltage signal to all gate lines included in the second panel, so as to control to stop scanning all the rows. gate lines, and control to stop supplying data voltages to the data lines included in the second panel.
  • the first voltage signal is a DC voltage signal.
  • the second drive control sub-circuit is specifically configured to, in response to the drive stop control signal, control to provide a predetermined gate drive signal to all gate lines included in the second panel, and to control the second panel to be provided with a predetermined gate drive signal. All data lines included provide predetermined voltage signals;
  • the predetermined gate driving signal is a signal generated by the superposition of the second voltage signal and the touch driving signal
  • the predetermined voltage signal is a signal generated by the superposition of the third voltage signal and the touch driving signal
  • the touch driving signal is a signal on a touch driving line in the first panel when the first panel is in a touch state.
  • the second voltage signal and the third voltage signal are DC voltage signals.
  • the first drive control sub-circuit is specifically configured to continuously detect the touch state of the first panel after the first panel is activated.
  • control circuit is further configured to control the first panel to be activated first, and to control the activation of the second panel after the first panel is activated, when the double-layer panel is activated.
  • an embodiment of the present disclosure further provides a drive control method, which is applied to the above-mentioned drive control module, and the drive control method includes:
  • the control circuit controls the touch stage of the first panel to be arranged in the interval stage of the second panel;
  • the interval phase includes at least one of a scan blank phase, a frame start time of a frame display time, and a frame end time of a frame display time.
  • the interval phase includes a scan blank phase
  • the scan blank phase includes an inter-frame blank period
  • the drive control method specifically includes:
  • the control circuit controls the first panel to perform touch detection in the touch stage in the inter-frame blanking period, and controls the inter-frame blanking period of the first panel and the inter-frame blanking period of the second panel at least partially overlap.
  • the drive control method specifically includes: the control circuit controls the refresh rate of the first panel to be the same as the refresh rate of the second panel, and controls the first panel and the refresh rate of the second panel. frame synchronization between the second panels.
  • the driving control method specifically includes: when the first panel performs touch detection, the control circuit controls the second panel to stop display driving.
  • control circuit is further configured to control the second panel to continue to display the current picture when the first panel performs touch detection, and control the display from the second panel when the first panel enters the display stage.
  • the grid lines to be scanned in the panel start to continue scanning;
  • the to-be-scanned grid line is a grid line next to the grid line to be scanned last in the second panel before touch detection is performed on the first panel.
  • At least one embodiment of the present disclosure further provides a double-layer panel including the above-mentioned drive control module.
  • Figure 1 is a structural diagram of a related double-layer panel
  • FIG. 2 is a structural diagram of a drive control module according to an embodiment of the present disclosure
  • Fig. 3 is in at least one embodiment, the time sequence relationship diagram of the blank time period B2 between frames of the first panel, the blank time period B1 between frames of the second panel and the touch stage T0 of the first panel;
  • FIG. 4 is a schematic diagram showing the timing relationship between the blanking period B2 between frames of the first panel, the blanking period B1 between frames of the second panel, and the touch phase T0 of the first panel in at least one embodiment;
  • FIG. 5 is a schematic diagram showing the timing relationship between the blanking period B2 between frames of the first panel, the blanking period B1 between frames of the second panel, and the touch stage T0 of the first panel in at least one embodiment;
  • FIG. 6 is a schematic diagram illustrating the timing relationship between the blanking period B2 between frames of the first panel, the blanking period B1 between frames of the second panel, and the touch stage T0 of the first panel in at least one embodiment
  • FIG. 7 is a schematic diagram illustrating the timing relationship between the blank period B2 between frames of the first panel, the blank period B1 between frames of the second panel, and the touch phase T0 of the first panel in at least one embodiment
  • FIG. 8 shows waveforms of gate driving signals on the gate lines and voltage signals on the data lines in at least one embodiment during the touch stage T0, before the touch stage T0, and after the touch stage T0 picture;
  • FIG. 9 is a structural diagram of at least one embodiment of a control circuit in a drive control module according to at least one embodiment of the present invention.
  • 11 is a waveform diagram of a gate driving signal on each gate line when the touch stage T0 is set between the display times of two frames;
  • FIG. 13 is a schematic structural diagram of a double-layer panel according to at least one embodiment of the present disclosure.
  • the transistors used in all the embodiments of the present disclosure may be triodes, thin film transistors, field effect transistors, or other devices with the same characteristics.
  • one pole is called the first pole, and the other pole is called the second pole.
  • control electrode when the transistor is a triode, the control electrode may be the base electrode, the first electrode may be the collector electrode, and the second electrode may be the emitter electrode; or the control electrode may be the base electrode electrode, the first electrode can be an emitter electrode, and the second electrode can be a collector electrode.
  • the control electrode when the transistor is a thin film transistor or a field effect transistor, the control electrode may be a gate electrode, the first electrode may be a drain electrode, and the second electrode may be a source electrode;
  • the control electrode may be a gate electrode, the first electrode may be a source electrode, and the second electrode may be a drain electrode.
  • the drive control module described in the embodiment of the present disclosure is applied to a double-layer panel, wherein the double-layer panel includes a first panel and a second panel, the first panel is a touch display panel, and the second panel is a display panel Panel, as shown in FIG. 2 , the drive control module includes a control circuit 20;
  • the control circuit 20 is electrically connected to the first panel 71 and the second panel 72 respectively, and the touch stage for the first panel is arranged in the interval stage of the second panel;
  • the first panel is used for touch detection in the touch stage
  • the interval phase includes at least one of a scan blank phase, a frame start time of a frame display time, and a frame end time of a frame display time.
  • the scanning blanking period includes an inter-frame blanking period and an intra-frame blanking period
  • the blank time period between frames refers to: a blank time period between the display times of two frames
  • the blank time period in the frame refers to: when at least two display stages are set within a frame of picture display time, the blank time period in the frame is a blank time period between two adjacent display stages ;
  • the second panel does not perform display driving.
  • the frame start time of one frame of picture display time refers to: the opening time of the first M rows of grid lines in the one-frame picture display time, where M is a positive integer;
  • the frame end time of one frame of picture display time refers to the opening time of the last M lines of grid lines in one frame of picture display time.
  • the ratio between the opening time of M rows of grid lines and the display time of one frame is less than or equal to 0.05, but not limited thereto.
  • the drive control module can control the touch stage of the first panel to be arranged in the interval stage of the second panel, so that when the first panel 71 performs touch detection,
  • the second panel 72 stops display driving, which can prevent the second panel 72 from affecting the touch detection accuracy of the first panel 71 through capacitance; or, the control circuit can control when the first panel 71 starts to perform touch detection.
  • the second panel 72 is about to finish display driving, or the control circuit can control the second panel 72 to start display driving when the first panel 71 finishes touch detection, that is, the The touch stage only partially coincides with the frame start time of the second panel 72 or the frame end time of the second panel 72 , which can improve the situation where the second panel 72 affects the touch detection accuracy of the first panel 71 through capacitance.
  • the first panel 71 and the second panel 72 are bonded to realize a BD Cell (double-layer panel). There is a capacitance between the two panels.
  • the voltage of the second panel 72 changes, the voltage of the first panel 71 will change due to capacitive coupling; and the touch detection principle of the first panel 71 is to detect the voltage change to obtain a capacitance value change, and then The touch coordinates are obtained. If the second panel 72 is always disturbed during the detection process, the accuracy and precision of the touch detection will be greatly affected, and the touch function may be abnormal in severe cases.
  • the control circuit 20 controls the second panel 72 to stop display driving, or controls The second panel 72 has just started to perform display driving or is about to finish display driving, so that during the touch detection process of the first panel 71 , the second panel 72 has no gate scanning and source scanning operations, or the second panel 72 has no gate scanning and source scanning operations. At the frame start time or the frame end time, this can prevent or improve the situation that the second panel 72 affects the touch detection accuracy of the first panel 71 through capacitance.
  • the first panel may be a TDDI (Touch and Display Driver Integration) panel
  • the TDDI panel is a self-capacitive touch display panel
  • the multiplexed common electrodes may be touch electrodes, but not limited thereto.
  • the interval phase includes a scan blank phase
  • the scan blank phase includes an inter-frame blank period
  • the control circuit is configured to control the first panel to perform a touch control phase in the inter-frame blank period. touch detection, and controlling the inter-frame blanking period of the first panel to at least partially overlap the inter-frame blanking period of the second panel.
  • the first panel performs touch detection at the touch stage in the inter-frame blanking period, and the inter-frame blanking period of the first panel and the inter-frame blanking time of the second panel are determined.
  • the segments at least partially overlap, that is, the inter-frame blanking period of the first panel coincides with the inter-frame blanking period of the second panel or the interval is shorter.
  • the refresh rate of the first panel, the touch frequency of the first panel, and the refresh rate of the second panel may be equal, for example, may all be 60 Hz, but not limited.
  • the refresh rate of the first panel and the refresh rate of the second panel may not be equal, and the touch frequency of the first panel is equal to the refresh rate of the second panel.
  • the refresh rate of the first panel may be 120 Hz
  • the refresh rate of the second panel may be 60 Hz
  • the touch frequency of the first panel may also be 60 Hz, so that the During the blank time period, the first panel is controlled to perform touch detection.
  • control circuit is used to control the refresh rate of the first panel to be the same as the refresh rate of the second panel, and to control the frame synchronization between the first panel and the second panel, so that all The touch stage of the first panel and the inter-frame blank period of the second panel at least partially overlap, or the time interval between the touch stage and the inter-frame blank period of the second panel is short.
  • the refresh rate of the first panel and the refresh rate of the second panel may both be 60 Hz, and the touch frequency of the first panel may be 60 Hz, but not limited thereto.
  • the frame synchronization between the first panel and the second panel may refer to:
  • the blank period between frames of the first panel coincides with the blank period between frames of the second panel; or,
  • the interval time between the blank period between frames of the first panel and the blank period of time between frames of the second panel is less than a predetermined time
  • the ratio between the predetermined time and the display time of one frame of picture may be less than or equal to 0.05, but not limited thereto.
  • control circuit is specifically configured to control the blank time period between frames of the first panel and the blank time period between frames of the second panel to overlap, so that the touch control of the first panel
  • the stage is set in the blank period between frames of the second panel, so that the second panel stops the display driving action during the touch detection process of the first panel, which can prevent the second panel from affecting the first panel through the capacitance. Touch detection accuracy.
  • the interval stage includes a frame start time of a frame of picture display time or a frame end time of a frame of picture display time;
  • the control circuit may be specifically configured to control the interval between the scan start time of the first panel and the scan start time of the second panel to be less than or equal to the first error time.
  • the ratio between the first error time and the display time of one frame of picture may be less than or equal to 0.05, but not limited thereto.
  • the scan start time is the start time of a frame of image display time, but it is not limited thereto.
  • the ratio of the duration of the touch phase to the duration of the blank period between frames is greater than or equal to 0.2 and less than or equal to 0.6;
  • the touch stage is set in the blank period between frames of the first panel, and the time difference between the start time of the touch stage and the start time of the blank period between frames is the same as the blank time between frames.
  • the ratio between segment durations is less than or equal to 0.4.
  • the touch stage T0 of the first panel is set in the blank period B2 between frames of the first panel, and the touch stage T0 of the first panel is set in the blank period B1 between frames of the second panel.
  • the refresh rate of the first panel is the same as the refresh rate of the second panel (for example, the refresh rate may both be 60 Hz), and the touch stage T0 of the first panel is set at the In the inter-frame blanking period B2, the interval between the inter-frame blanking period B2 of the first panel and the inter-frame blanking period B1 of the second panel may be 592 microseconds (B1 is delayed by 592 microseconds than B2), T0 is set at the frame end time F21 of the second panel.
  • the interval time between B2 and B1 may refer to the time interval between the start time of B2 and the start time of B1.
  • the refresh rate of the first panel is the same as the refresh rate of the second panel (for example, the refresh rate may be both 60 Hz), and the touch stage T0 of the first panel is set at the In the inter-frame blanking period B2, there may be a certain time interval between the inter-frame blanking period B2 of the first panel and the inter-frame blanking period B1 of the second panel (B1 is delayed by a certain time than B2), and T0
  • One part is set at the frame end time F21 of the second panel, and the other part T0 is set at the blank time period B1 between frames of the second panel.
  • the refresh rate of the first panel is the same as the refresh rate of the second panel (for example, the refresh rate may be both 60 Hz), and the touch stage T0 of the first panel is set at the In the inter-frame blanking period B2, a certain period of time may be separated between the inter-frame blanking period B2 of the first panel and the inter-frame blanking period B1 of the second panel (B2 is delayed by a certain time than B1), and T0 is set At the frame start time F22 of the second panel.
  • the refresh rate of the first panel is the same as the refresh rate of the second panel (for example, the refresh rate may both be 60 Hz), and the touch stage T0 of the first panel is set at the In the inter-frame blanking period B2, there may be a certain interval between the inter-frame blanking period B2 of the first panel and the inter-frame blanking period B1 of the second panel (B2 is delayed by a certain time than B1), and T0 A part is set at the frame start time F22 of the second panel, and the other part T0 is set at the blank time period B1 between frames of the second panel.
  • the display time of the first frame of the second panel is marked F1
  • the display time of the second frame of the second panel is marked F2
  • the display time of F1 and B1 is the display time of the second panel.
  • the inter-frame blanking period of the second panel between F2 in the inter-frame blanking period B1, all gate lines in the second panel can be closed; when the touch stage T0 of the first panel is included in the During the blank period B1 between frames, after the touch phase T0 ends and after F2 begins, the second drive control circuit controls to sequentially provide corresponding gate drive signals to the plurality of rows of gate lines included in the second panel .
  • the display time of the first frame of the first panel is marked with F11
  • the display time of the second frame of the first panel is marked with F12
  • the display time of F11 and F12 is marked with B2.
  • the blank time period between frames for the first panel in between.
  • the grid lines of the first row included in the second panel are labeled G1
  • the grid lines of the second row included in the second panel are labeled G2
  • the grid lines labeled GN are included in the second panel.
  • the Nth row of grid lines, labeled GN+1 is the N+1th row of grid lines included in the second panel
  • the labeled GP is the Pth row of grid lines included in the second panel.
  • P is greater than N+1, and P is A positive integer
  • the second panel includes P rows of grid lines;
  • the grid lines of the first row included in the first panel are labeled G11
  • the grid lines of the second row included in the first panel are labeled G12
  • the grid lines labeled G1N are included in the first panel.
  • the Nth row of grid lines, labeled G1N+1 is the N+1th row of grid lines included in the first panel
  • the one labeled G1R is the Rth row of grid lines included in the first panel, where R is greater than N+1, and R is Positive integer
  • the first panel includes R rows of grid lines.
  • control circuit is configured to control the second panel 72 to stop performing display driving when the first panel 71 performs touch detection.
  • the drive control module can control the second panel 72 to stop display driving when the first panel 71 performs touch detection, so as to realize the touch detection process on the first panel 71 , the second panel stops the display driving operation, which can prevent the second panel 72 from affecting the touch detection accuracy of the first panel 71 through the capacitance.
  • the control circuit 20 controls the second panel 72 to stop performing display driving, so that the second panel 72 stops displaying and driving.
  • 72 suspends gate scanning and source scanning, so that when the first panel 71 performs touch detection, the second panel 72 has no gate scanning and source scanning operations, which can prevent the second panel 72 from affecting the first panel through capacitance. 71 touch detection accuracy.
  • control circuit 20 is further configured to control the second panel 72 to continue to display the current screen when the first panel 71 performs touch detection, and control the first panel 71 to enter the display stage. Continue scanning from the grid lines to be scanned in the second panel 72;
  • the to-be-scanned gate line is the gate line next to the last scanned gate line in the second panel 72 before the touch detection is performed on the first panel 71 .
  • the control circuit 20 controls the first panel 71
  • the two panels 72 continue to perform display driving, and can control the gate driving scanning from the gate lines to be scanned in the second panel 72 to continue to perform gate driving scanning, so as to improve the display effect of the second panel 72 .
  • the to-be-scanned gate line is the first gate line in the second panel 72 . row grid;
  • the to-be-scanned gate line is the N+1th row gate line in the second panel 72; N is positive integer.
  • control circuit 20 is configured to control the first panel 71 to perform touch detection during an inter-frame blank period between two frame display times.
  • the control circuit 20 controls the first panel 71 to perform touch detection, and controls the second panel 72 to stop display driving, so that the The touch detection accuracy of the first panel 71 is not affected by the second panel 72 .
  • control circuit 20 is configured to control the first panel 71 and the second panel 72 to be in the inter-frame blank time period at the same time, then in the inter-frame blank time period, the second If the panel 72 has no display driving action, the first panel 71 can be controlled by the control circuit 20 to perform touch detection during the blank period between frames, so even if the drive integrated circuit has no display hold function, it can be While the display effect of the second panel 72 is improved, the touch detection accuracy of the first panel 71 is improved.
  • the display time of the first frame of the second panel is indicated by F1
  • the display time of the second frame of the second panel is indicated by F2
  • the time between F1 and F2 is indicated by B1.
  • all gate lines in the second panel can be closed; when the touch stage T0 of the first panel is included in the inter-frame blank period B1 , after the touch stage T0 ends and after F2 starts, the second drive control circuit controls to sequentially provide corresponding gate drive signals to the plurality of rows of gate lines included in the second panel.
  • the first row of grid lines included in the second panel is labeled G1
  • the second row of grid lines included in the second panel is labeled G2
  • the Nth row included in the second panel is labeled GN.
  • the grid lines, labeled GN+1 are the Nth row grid lines included in the second panel
  • the ones labeled GP are the P th grid lines included in the second panel, P is greater than N+1, P is a positive integer
  • the second The panel includes P rows of grid lines.
  • control circuit may include a first drive control sub-circuit 11, a control sub-circuit 12 and a second drive control sub-circuit 13, wherein,
  • the first drive control sub-circuit 11 is electrically connected to the first panel 71 for outputting a touch indication signal according to the touch state of the first panel 71;
  • the control sub-circuit 12 is electrically connected to the first driving control sub-circuit 11 and the second driving control sub-circuit 13 respectively, and is used for receiving the touch indication signal, and when the touch indication signal indicates the When the first panel 71 enters the touch stage, a drive stop control signal is provided to the second drive control sub-circuit 13, and when the touch indication signal indicates that the first panel 71 enters the display stage, a drive stop control signal is provided to the second drive control sub-circuit 13.
  • the second drive control sub-circuit 13 provides a drive control signal;
  • the second drive control sub-circuit 13 is electrically connected to the second panel 72 for receiving the drive stop control signal and the drive control signal, and for controlling the drive stop control signal in response to the received drive stop control signal Stop scanning all the row gate lines included in the second panel 72, and record the row number N where the last scanned gate line in the second panel 72 is located before receiving the drive stop control signal; the The second drive control sub-circuit 13 is further configured to control the gate line in the N+1th row in the second panel 72 to continue scanning in response to the drive control signal;
  • N is a positive integer.
  • the interval phase may include a scan blank phase, and the scan blank phase may be an intra-frame blank period, but is not limited thereto.
  • the first drive control sub-circuit 11 When the drive control module described in at least one embodiment of the present disclosure is in operation, the first drive control sub-circuit 11 outputs a touch indication signal according to the touch state, and the control sub-circuit 12 outputs a touch indication signal to the second drive control sub-circuit according to the touch indication signal.
  • the circuit 13 provides a drive stop control signal or a drive control signal, the second drive control sub-circuit 13 receives the drive stop control signal or the drive control signal, and the second drive control sub-circuit 13 controls the drive stop control signal in response to the drive stop control signal. All row gate lines included in the second panel 72 are turned off, and N is recorded, and the second drive control sub-circuit 13 controls the N+1th row from the second panel 72 in response to the drive control signal. The grid lines continue to be scanned.
  • the drive control module described in at least one embodiment of the present disclosure can reduce the influence of the second panel on the touch precision of the first panel.
  • the second driving control sub-circuit 13 when the second driving control sub-circuit 13 receives the driving stop control signal, the second driving control sub-circuit controls the second panel 72 All included row gate lines are turned off, so that the second panel 72 suspends gate scanning and source scanning, so that during the touch detection process of the first panel 71, the second panel 72 has no gate scanning and source scanning operations, This can prevent the second panel 72 from affecting the touch detection accuracy of the first panel 71 through capacitance.
  • a display hold function is added to a driver IC (Integrated Circuit, integrated circuit) of the second panel, so that the second panel can suspend gate scanning and detection when the first panel performs touch detection.
  • Source scanning and when the first panel stops touch detection, the second panel can be controlled to continue to perform display driving, and gate scanning and source scanning are performed from the gate lines to be scanned in the second panel.
  • the first drive control sub-circuit may be used to continuously detect the touch state of the first panel 71 after the first panel 71 is activated.
  • the first drive control sub-circuit 11 can continuously detect the touch state of the first panel, so as to be able to control the gate line scanning action of the second panel 72 in real time according to the touch state , to improve the touch detection accuracy of the first panel.
  • the second drive control sub-circuit may be specifically configured to, in response to the drive stop control signal, provide a first voltage signal to all gate lines included in the second panel, so as to control all the gate lines included in the second panel. All the gate lines are turned off, and the control stops supplying data voltages to the data lines included in the second panel.
  • the second drive control sub-circuit After the second drive control sub-circuit receives the drive stop control signal, it can control to supply the first voltage signal to the gate lines in the second panel, and control to stop supplying the first voltage signal to the data lines included in the second panel data voltage to reduce the influence on the touch detection operation of the first panel.
  • the first voltage signal may be a DC voltage signal, so that the first voltage signal provided to the grid lines in the second panel is a DC voltage signal, so that no voltage fluctuation will occur and affect the touch of the first panel. Control detection operation.
  • the one marked with T0 is the touch stage (the touch stage is the time period during which the first panel performs touch detection).
  • the Nth row of gate lines included in the second panel GN is turned on (GN outputs a high voltage, and the transistors in the pixel circuit included in the second panel that are electrically connected to the gate lines are n-type transistors), and in the touch stage T0, all row gate lines included in the second panel are When turned off (that is, all row gate lines output low voltage), the data line D0 included in the second panel does not provide data voltage; after the touch phase T0 ends, the N+1 row gate line included in the second panel is turned off. GN+1 starts scanning.
  • the grid line in the N+1th row included in the second panel is labeled GN+1, and the grid line in the Mth row included in the second panel is labeled GM.
  • M is a positive integer, and M is greater than N+ 1.
  • the second drive control sub-circuit may be specifically configured to, in response to the drive stop control signal, control to provide a predetermined gate drive signal to all gate lines included in the second panel, and control providing predetermined voltage signals to all data lines included in the second panel;
  • the predetermined gate driving signal is a signal generated by the superposition of the second voltage signal and the touch driving signal
  • the predetermined voltage signal is a signal generated by the superposition of the third voltage signal and the touch driving signal
  • the touch driving signal is a signal on the touch driving line in the first panel when the first panel is in a touch state.
  • the gate drive signal on the gate line in the second panel can be controlled, and the second panel
  • the voltage signal on the data line in the panel changes synchronously with the touch driving signal on the touch driving line in the first panel, so as to reduce the influence of the voltage change on the second panel on the touch operation of the first panel.
  • the second voltage signal and the third voltage signal may be DC voltage signals, but not limited thereto.
  • the touch driving signal TP on the touch driving line in the first panel is a square wave signal.
  • the gate driving signal on the gate line in the second panel and the The voltage signal on the data line in the second panel changes in synchronization with the TP.
  • FIG. 11 only the gate driving signal on the gate line GN of the Nth row and the voltage signal on a data line D0 are shown.
  • other gate lines on the second panel are The gate driving signal on D0 may be the same as the gate driving signal on GN, and the voltage signals on other data lines on the second panel may be the same as the voltage signals on D0, but not limited thereto.
  • the potential of TP can be switched between 4V and 0V
  • the potential of GN can be switched between 6V and 2V
  • the potential of D0 can be switched between -4V to -8V, but not limited.
  • control circuit may be further configured to control the first panel to be activated first, and the second panel to be activated after the first panel is activated when the dual-layer panel is activated. panel.
  • the time-sharing startup can be adopted when the double-layer panel is turned on, and the first panel is started first, and then the second panel is started. Turning on will interfere with the first panel, resulting in inaccurate calibration of the base value of the first panel. Therefore, when the double-layer panel is started, the control circuit can control the first panel to start first, and control the first panel to start after starting the first panel. Then start the second panel.
  • the drive control method described in at least one embodiment of the present disclosure is applied to the above-mentioned drive control module, and the drive control method includes:
  • the control circuit controls the touch stage of the first panel to be arranged in the interval stage of the second panel;
  • the interval phase includes at least one of a scan blank phase, a frame start time of a frame display time, and a frame end time of a frame display time.
  • the scanning blanking period includes an inter-frame blanking period and an intra-frame blanking period
  • the blank time period between frames refers to: a blank time period between the display times of two frames
  • the blank time period in the frame refers to: when at least two display stages are set within a frame of picture display time, the blank time period in the frame is a blank time period between two adjacent display stages ;
  • the second panel does not perform display driving.
  • the frame start time of one frame of picture display time refers to: the opening time of the first M rows of grid lines in the one-frame picture display time, where M is a positive integer;
  • the frame end time of one frame of picture display time refers to the opening time of the last M lines of grid lines in one frame of picture display time.
  • the ratio between the opening time of M rows of grid lines and the display time of one frame is less than or equal to 0.05, but not limited thereto.
  • the control circuit controls the touch stage of the first panel to be arranged in the interval stage of the second panel, so that when the first panel performs touch detection When the second panel stops display driving, it can prevent the second panel from affecting the touch detection accuracy of the first panel through capacitance; or, the control circuit can control the touch detection when the first panel starts to perform touch detection.
  • the second panel is about to finish display driving, or the control circuit may control the second panel to start display driving when the first panel finishes touch detection, that is, the touch stage is only associated with The frame start time of the second panel or the frame end time of the second panel at least partially overlap, which can improve the situation that the second panel affects the touch detection accuracy of the first panel through capacitance.
  • the interval phase may include a scan blank phase, and the scan blank phase includes an inter-frame blank period, and the drive control method specifically includes:
  • the control circuit controls the first panel to perform touch detection in the touch stage in the inter-frame blanking period, and controls the inter-frame blanking period of the first panel and the inter-frame blanking period of the second panel at least partially overlap.
  • the first panel performs touch detection at the touch stage in the inter-frame blanking period, and the inter-frame blanking period of the first panel and the inter-frame blanking time of the second panel are determined.
  • the segments at least partially overlap, that is, the inter-frame blanking period of the first panel coincides with the inter-frame blanking period of the second panel or the interval is shorter.
  • the driving control method may specifically include: the control circuit controls the refresh rate of the first panel to be the same as the refresh rate of the second panel, and controls the first panel and the refresh rate of the second panel. Frame synchronization between the second panels, so that the touch phase of the first panel and the blank period between frames of the second panel at least partially overlap, or, the touch phase and the second panel The time interval between the blank periods between frames is short.
  • the refresh rate of the first panel and the refresh rate of the second panel may both be 60 Hz, and the touch frequency of the first panel may be 60 Hz, but not limited thereto.
  • the frame synchronization between the first panel and the second panel may refer to:
  • the blank period between frames of the first panel coincides with the blank period between frames of the second panel; or,
  • the interval time between the blank period between frames of the first panel and the blank period of time between frames of the second panel is less than a predetermined time
  • the driving control method specifically includes: when the first panel performs touch detection, the control circuit controls the second panel to stop display driving.
  • the control circuit controls the second panel to stop display driving, so as to realize the process of touch detection on the first panel.
  • the second panel stops the display driving action, which can prevent the second panel from affecting the touch detection accuracy of the first panel through the capacitance.
  • the drive control method described in at least one embodiment of the present disclosure may further include:
  • the control circuit controls the second panel to continue to display the current screen
  • control circuit controls to continue scanning from the gate lines to be scanned in the second panel
  • the to-be-scanned grid line is a grid line next to the grid line to be scanned last in the second panel before touch detection is performed on the first panel.
  • the control circuit controls the second panel to continue to display Display driving, and can control the gate driving scanning from the gate line to be scanned in the second panel to continue, so as to improve the display effect of the second panel.
  • the driving control method further includes: in a blank period between frames between display times of two frames, the control circuit controls the first panel to perform touch detection.
  • the control circuit controls the first panel to perform touch detection, and controls the second panel to stop display driving, so that the first panel The accuracy of touch detection is not affected by the second panel.
  • the driving control method further includes: the control circuit controls the first panel and the second panel to be in the blank time period between frames at the same time.
  • control circuit may control the first panel and the second panel to be in the inter-frame blank time period at the same time, then in the inter-frame blank time period, the second panel is not driven for display action, the first panel can be controlled by the control circuit to perform touch detection during the blank time period between frames, so even if the driving integrated circuit has no display hold function, the display effect of the second panel can be controlled without affecting the display effect of the second panel. At the same time, the touch detection accuracy of the first panel is improved.
  • control circuit may include a first drive control subcircuit, a control subcircuit and a second drive control subcircuit; as shown in FIG. 12 , the drive control method includes:
  • the first drive control sub-circuit outputs a touch indication signal according to the touch state of the first panel
  • the control sub-circuit receives the touch indication signal; when the touch indication signal instructs the first panel to enter the touch phase, the control sub-circuit provides drive stop control to the second drive control sub-circuit a signal, when the touch indication signal instructs the first panel to enter the display stage, the control sub-circuit provides a drive control signal to the second drive control sub-circuit;
  • the second drive control sub-circuit controls to stop scanning all row gate lines included in the second panel in response to the received drive stop control signal, and records that before receiving the drive stop control signal, The number N of rows where the last scanned gate line in the second panel is located; the second drive control sub-circuit controls the gate from the N+1th row in the second panel in response to the drive control signal line continues to scan;
  • N is a positive integer.
  • the first driving control sub-circuit outputs a touch indication signal according to the touch state
  • the control sub-circuit provides the second driving control sub-circuit with a driving stop according to the touch indication signal.
  • a control signal or a driving control signal the second driving control sub-circuit receives the driving stop control signal or the driving control signal, and the second driving control sub-circuit controls the control signal included in the second panel in response to the driving stop control signal. All row gate lines are turned off and N is recorded, and the second driving control sub-circuit controls to continue scanning from the N+1 th gate line in the second panel in response to the driving control signal.
  • the driving control method described in at least one embodiment of the present disclosure can reduce the influence of the second panel on the touch precision of the first panel.
  • the drive control method further includes: after the first panel is activated, the first drive control sub-circuit continues to detect the touch state of the first panel.
  • the first drive control sub-circuit can continuously detect the touch state of the first panel, so as to be able to control the scanning action of the gate lines of the second panel in real time according to the touch state, Improve the touch detection accuracy of the first panel.
  • the second drive control sub-circuit controls to stop scanning all the row gate lines included in the second panel may include:
  • the second drive control sub-circuit controls to provide a first voltage signal to all gate lines included in the second panel in response to the drive stop control signal, so as to control to stop scanning of all row gate lines, and to control to stop scanning to the gate lines.
  • the data lines included in the second panel provide data voltages.
  • the second drive control sub-circuit can control to supply the first voltage signal to the gate lines in the second panel, and control to stop supplying the data lines included in the second panel with the first voltage signal data voltage to reduce the influence on the touch detection operation of the first panel.
  • the first voltage signal may be a DC voltage signal, so that the first voltage signal provided to the grid lines in the second panel is a DC voltage signal, so that no voltage fluctuation will occur and affect the touch of the first panel. Control detection operation.
  • the second drive control sub-circuit controls to stop scanning all the row gate lines included in the second panel may include:
  • the second drive control sub-circuit controls to provide a predetermined gate drive signal to all gate lines included in the second panel, and controls to provide a predetermined gate drive signal to all data lines included in the second panel in response to the drive stop control signal voltage signal;
  • the predetermined gate driving signal is a signal generated by the superposition of the second voltage signal and the touch driving signal
  • the predetermined voltage signal is a signal generated by the superposition of the third voltage signal and the touch driving signal
  • the touch driving signal is a signal on a touch driving line in the first panel when the first panel is in a touch state.
  • the second drive control sub-circuit when the second drive control sub-circuit receives the drive stop control signal (that is, when the first panel is in the touch phase), it can control the gate drive on the gate lines in the second panel signal, and the voltage signal on the data line in the second panel changes synchronously with the touch drive signal on the touch drive line in the first panel, so as to reduce the voltage change on the second panel to the first panel. Effects of touch operations.
  • the second voltage signal and the third voltage signal may be DC voltage signals, but not limited thereto.
  • the second voltage signal and the third voltage signal are DC voltage signals.
  • the drive control method may further include:
  • control circuit controls the activation of the first panel first, and controls the activation of the second panel after activation of the first panel.
  • the time-sharing startup can be adopted when the double-layer panel is turned on, and the first panel is started first, and then the second panel is started. Turning on will interfere with the first panel, resulting in inaccurate calibration of the base value of the first panel. Therefore, when the double-layer panel is started, the control circuit can control the first panel to start first, and control the first panel to start after starting the first panel. Then start the second panel.
  • the double-layer panel according to at least one embodiment of the present disclosure includes the above-mentioned driving control module.
  • the double-layer panel can be applied to a vehicle-mounted display device.
  • the first panel may be an LTPS (low temperature polysilicon) TDDI panel
  • the second panel may be an a-Si (amorphous silicon) mono display panel (the mono display panel does not include a color filter substrate). display panel), but not limited thereto.
  • both the first panel and the second panel are panels using liquid crystal display, but not limited thereto.
  • the drive control module can be integrated in an FPGA (Field Programmable Gate Array, programmable logic array) chip.
  • FPGA Field Programmable Gate Array, programmable logic array
  • the double-layer panel described in at least one embodiment of the present disclosure may include a drive control module integrated in an FPGA chip 70 , a first panel 71 and a second panel 72 ;
  • the FPGA chip 70 receives image information, and provides the processed image information to the first panel 71 and the second panel 72;
  • the drive control module in the FPGA chip 70 detects the touch state of the first panel, and provides a drive control signal or a drive stop control signal to the second panel 72 according to the touch state to control the second panel 72 to perform Display driver or stop display driver.
  • the display device includes the above-mentioned double-layer panel.
  • the display device may be any product or component with display function, such as a vehicle display device, a mobile phone, a tablet computer, a TV, a monitor, a notebook computer, a digital photo frame, and a navigator.

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Abstract

一种驱动控制模组、驱动控制方法、双层面板和显示装置。所述驱动控制模组应用于双层面板，所述双层面板包括第一面板（71）和第二面板（72），所述第一面板（71）为触控显示面板，所述第二面板（72）为显示面板，所述驱动控制模组包括控制电路（20）；所述控制电路（20）分别与所述第一面板（71）和所述第二面板（72）电连接，用于控制所述第一面板（71）的触控阶段设置于所述第二面板（72）的间隔阶段内；所述第一面板（71）用于在所述触控阶段内进行触控检测；所述间隔阶段包括扫描空白阶段、一帧画面显示时间的帧开始时间、一帧画面显示时间的帧结束时间中的至少一个。该驱动控制模组能够减少第二面板（72）对第一面板（71）触控精度的影响。

Description

驱动控制模组、驱动控制方法、双层面板和显示装置
相关申请的交叉引用
本申请主张在2020年9月16日在中国提交的中国专利申请号No.202010974951.4的优先权，其全部内容通过引用包含于此。
技术领域
本公开涉及触控显示技术领域，尤其涉及一种驱动控制模组、驱动控制方法、双层面板和显示装置。
背景技术
在相关的双层面板中，第一面板为触控显示面板，第二面板为显示面板。如图1所示，所述第一面板71和所述第二面板72通过贴合胶相互贴合，由于所述第一面板71和所述第二面板72相离较近，第一面板71和第二面板72之间存在电容，当第二面板72发生电压变化时，第一面板会被所述电容耦合而发生电压变化，若第二面板72不同区域变化不同，则第一面板71不同区域被电容耦合的情况也会不同。而第一面板71的触控检测原理是通过检测电压变化而得出触控坐标，若是在触控检测过程中一直受到第二面板72的影响，则第一面板71的触控准确性和精度将受到很大影响，严重时会发生功能失常。
发明内容
在一个方面中，本公开实施例提供了一种驱动控制模组，应用于双层面板，所述双层面板包括第一面板和第二面板，所述第一面板为触控显示面板，所述第二面板为显示面板，所述驱动控制模组包括控制电路；
所述控制电路分别与所述第一面板和所述第二面板电连接，用于控制所述第一面板的触控阶段设置于所述第二面板的间隔阶段内；
所述第一面板用于在所述触控阶段内进行触控检测；
所述间隔阶段包括扫描空白阶段、一帧画面显示时间的帧开始时间、一 帧画面显示时间的帧结束时间中的至少一个。
可选的，所述间隔阶段包括扫描空白阶段，所述扫描空白阶段包括帧间空白时间段，所述控制电路用于控制所述第一面板在其帧间空白时间段中的触控阶段进行触控检测，并控制所述第一面板的帧间空白时间段与所述第二面板的帧间空白时间段至少部分交叠。
可选的，所述控制电路用于控制第一面板的刷新率与所述第二面板的刷新率相同，并控制所述第一面板和所述第二面板之间帧同步。
可选的，所述控制电路具体用于控制所述第一面板的帧间空白时间段与所述第二面板的帧间空白时间段重合，以使得所述第一面板的触控阶段设置于所述第二面板的帧间空白时间段中。
可选的，所述控制电路具体用于控制所述第一面板的扫描开始时间和所述第二面板的扫描开始时间之间间隔的时间小于或等于第一误差时间，所述间隔阶段包括一帧画面显示时间的帧开始时间或一帧画面显示时间的帧结束时间。
可选的，所述第一误差时间与一帧画面显示时间之间的比值小于或等于0.05。
可选的，所述触控阶段持续的时间与所述帧间空白时间段持续的时间的比值大于或等于0.2而小于或等于0.6；
所述触控阶段设置于所述第一面板的帧间空白时间段内，所述触控阶段的开始时间与该帧间空白时间段的开始时间之间的时间差，与所述帧间空白时间段持续的时间之间的比值小于或等于0.4。
可选的，所述控制电路具体用于当所述第一面板进行触控检测时，控制第二面板停止进行显示驱动。
可选的，所述控制电路还用于当所述第一面板进行触控检测时，控制第二面板继续显示当前画面，并在所述第一面板进入显示阶段时，控制从所述第二面板中的待扫描栅线开始继续进行扫描；
所述待扫描栅线为在所述第一面板进行触控检测前，所述第二面板中的最后被扫描的栅线的下一行栅线。
可选的，所述控制电路包括第一驱动控制子电路、控制子电路和第二驱 动控制子电路；
所述第一驱动控制子电路与所述第一面板电连接，用于根据所述第一面板的触控状态输出触控指示信号；
所述控制子电路分别与所述第一驱动控制子电路和所述第二驱动控制子电路电连接，用于接收所述触控指示信号，并当所述触控指示信号指示所述第一面板进入触控阶段时，向所述第二驱动控制子电路提供驱动停止控制信号，并当所述触控指示信号指示所述第一面板进入显示阶段时，向所述第二驱动控制子电路提供驱动控制信号；
所述第二驱动控制子电路与所述第二面板电连接，用于响应于接收到的所述驱动停止控制信号，控制停止扫描所述第二面板包括的所有行栅线，并记录在接收到所述驱动停止控制信号前，所述第二面板中的最后被扫描的栅线位于的行数N，并响应于所述驱动控制信号，控制从所述第二面板中的第N+1行栅线继续进行扫描；
N为正整数。
可选的，所述第二驱动控制子电路具体用于响应于所述驱动停止控制信号，控制向所述第二面板包括的所有栅线提供第一电压信号，以控制停止扫描所述所有行栅线，并控制停止向所述第二面板包括的数据线提供数据电压。
可选的，所述第一电压信号为直流电压信号。
可选的，所述第二驱动控制子电路具体用于响应于所述驱动停止控制信号，控制向所述第二面板包括的所有栅线提供预定栅极驱动信号，控制向所述第二面板包括的所有数据线提供预定电压信号；
所述预定栅极驱动信号为第二电压信号与触控驱动信号叠加后生成的信号，所述预定电压信号为第三电压信号与所述触控驱动信号叠加后生成的信号；
所述触控驱动信号为第一面板处于触控状态时，所述第一面板中的触控驱动线上的信号。
可选的，所述第二电压信号和所述第三电压信号为直流电压信号。
可选的，所述第一驱动控制子电路具体用于在所述第一面板启动后，持续检测所述第一面板的触控状态。
可选的，所述控制电路还用于在所述双层面板启动时，控制先启动所述第一面板，并控制在启动所述第一面板后启动所述第二面板。
在第二个方面中，本公开实施例还提供了一种驱动控制方法，应用于上述的驱动控制模组，所述驱动控制方法包括：
控制电路控制第一面板的触控阶段设置于第二面板的间隔阶段内；
所述间隔阶段包括扫描空白阶段、一帧画面显示时间的帧开始时间、一帧画面显示时间的帧结束时间中的至少一个。
可选的，所述间隔阶段包括扫描空白阶段，所述扫描空白阶段包括帧间空白时间段，所述驱动控制方法具体包括：
所述控制电路控制所述第一面板在其帧间空白时间段中的触控阶段进行触控检测，并控制所述第一面板的帧间空白时间段与第二面板的帧间空白时间段至少部分交叠。
可选的，本公开至少一实施例所述的驱动控制方法具体包括：所述控制电路控制第一面板的刷新率与所述第二面板的刷新率相同，并控制所述第一面板和所述第二面板之间帧同步。
可选的，本公开至少一实施例所述的驱动控制方法具体包括：当所述第一面板进行触控检测时，所述控制电路控制第二面板停止进行显示驱动。
可选的，所述控制电路还用于当所述第一面板进行触控检测时，控制第二面板继续显示当前画面，并在所述第一面板进入显示阶段时，控制从所述第二面板中的待扫描栅线开始继续进行扫描；
所述待扫描栅线为在所述第一面板进行触控检测前，所述第二面板中的最后被扫描的栅线的下一行栅线。
在第三个方面中，本公开至少一实施例还提供了一种双层面板，包括上述的驱动控制模组。
相关
附图说明
图1是相关的双层面板的结构图；
图2是本公开实施例所述的驱动控制模组的结构图；
图3是在至少一实施例中，第一面板的帧间空白时间段B2、第二面板的 帧间空白时间段B1和第一面板的触控阶段T0的时序关系示意图；
图4是在至少一实施例中，第一面板的帧间空白时间段B2、第二面板的帧间空白时间段B1和第一面板的触控阶段T0的时序关系示意图；
图5是在至少一实施例中，第一面板的帧间空白时间段B2、第二面板的帧间空白时间段B1和第一面板的触控阶段T0的时序关系示意图；
图6是在至少一实施例中，第一面板的帧间空白时间段B2、第二面板的帧间空白时间段B1和第一面板的触控阶段T0的时序关系示意图；
图7是在至少一实施例中，第一面板的帧间空白时间段B2、第二面板的帧间空白时间段B1和第一面板的触控阶段T0的时序关系示意图；
图8是在至少一施例中，在触控阶段T0、在触控阶段T0之前，以及，在触控阶段T0之后，各栅线上的栅极驱动信号和数据线上的电压信号的波形图；
图9是本发明至少一实施例所述的驱动控制模组中的控制电路的至少一一实施例的结构图；
图10是在触控阶段T0，第一面板中的触控驱动线上的触控驱动信号TP、第二面板中的栅线上的栅极驱动信号和第二面板中的数据线上的电压信号同步变化的示意图；
图11是触控阶段T0设置于两帧画面显示时间之间时，各栅线上的栅极驱动信号的波形图；
图12是本公开至少一实施例所述的驱动控制方法的流程图；
图13是本公开至少一实施例所述的双层面板的结构示意图。
具体实施方式
下面将结合本公开实施例中的附图，对本公开实施例中的技术方案进行清楚、完整地描述，显然，所描述的实施例仅仅是本公开一部分实施例，而不是全部的实施例。基于本公开中的实施例，本领域普通技术人员在没有做出创造性劳动前提下所获得的所有其他实施例，都属于本公开保护的范围。
本公开所有实施例中采用的晶体管均可以为三极管、薄膜晶体管或场效应管或其他特性相同的器件。在本公开实施例中，为区分晶体管除控制极之 外的两极，将其中一极称为第一极，另一极称为第二极。
在实际操作时，当所述晶体管为三极管时，所述控制极可以为基极，所述第一极可以为集电极，所述第二极可以发射极；或者，所述控制极可以为基极，所述第一极可以为发射极，所述第二极可以集电极。
在实际操作时，当所述晶体管为薄膜晶体管或场效应管时，所述控制极可以为栅极，所述第一极可以为漏极，所述第二极可以为源极；或者，所述控制极可以为栅极，所述第一极可以为源极，所述第二极可以为漏极。
本公开实施例所述的驱动控制模组，应用于双层面板，所述双层面板包括第一面板和第二面板，所述第一面板为触控显示面板，所述第二面板为显示面板，如图2所示，所述驱动控制模组包括控制电路20；
所述控制电路20分别与所述第一面板71和所述第二面板72电连接，用于所述第一面板的触控阶段设置于所述第二面板的间隔阶段内；
所述第一面板用于在所述触控阶段内进行触控检测；
所述间隔阶段包括扫描空白阶段、一帧画面显示时间的帧开始时间、一帧画面显示时间的帧结束时间中的至少一个。
在本公开至少一实施例中，所述扫描空白阶段包括帧间空白时间段和帧内空白时间段；
所述帧间空白时间段指的是：两帧画面显示时间之间的空白时间段；
所述帧内空白时间段指的是：当在一帧画面显示时间之内设置有至少两个显示阶段时，所述帧内空白时间段为两个相邻的显示阶段之间的空白时间段；
在所述帧间空白时间段和所述帧内空白时间段内，所述第二面板不进行显示驱动。
在本公开至少一实施例中，一帧画面显示时间的帧开始时间指的是：一帧画面显示时间中的最开始M行栅线打开时间，M为正整数；
一帧画面显示时间的帧结束时间指的是：一帧画面显示时间中的最后M行栅线打开时间。
在具体实施时，M行栅线打开时间与一帧画面显示时间之间的比值小于或等于0.05，但不以此为限。
本公开至少一实施例所述的驱动控制模组能够控制所述第一面板的触控阶段设置于所述第二面板的间隔阶段内，使得当所述第一面板71进行触控检测时，所述第二面板72停止显示驱动，可以防止第二面板72通过电容影响第一面板71的触控检测精度；或者，所述控制电路可以控制当所述第一面板71开始进行触控检测时，所述第二面板72即将结束显示驱动，或者，所述控制电路可以控制当所述第一面板71结束触控检测时，所述第二面板72刚开始进行显示驱动，也即，所述触控阶段仅与第二面板72的帧开始时间或第二面板72的帧结束时间至少部分重合，能够改善第二面板72通过电容影响第一面板71的触控检测精度的情况。
在本公开至少一实施例中，所述第一面板71和第二面板72通过贴合实现BD Cell(双层面板)，由于两者玻璃距离较近，第一面板71和第二面板72之间存在电容，当第二面板72发生电压变化时，第一面板71会由于电容耦合而发生电压变化；而所述第一面板71的触控检测原理是检测电压变化得出电容值变化，进而得出触控坐标，若是检测过程中一直受到第二面板72干扰，则触控检测的准确性和精度将受到很大影响，情况严重时会发生触控功能失常。基于此，本公开至少一实施例所述的驱动控制模组在工作时，当所述第一面板71进行触控检测时，所述控制电路20控制第二面板72停止进行显示驱动，或控制所述第二面板72刚开始进行显示驱动或即将结束显示驱动，以实现在第一面板71进行触控检测过程中，第二面板72无栅极扫描和源极扫描动作，或者第二面板72处于帧开始时间或帧结束时间，这样可以防止或改善第二面板72通过电容影响第一面板71的触控检测精度的情况。
在本公开至少一实施例中，所述第一面板可以为TDDI(Touch and Display Driver Integration，触控与显示驱动器集成)面板，TDDI面板为自容式触控显示面板，可以复用公共电极为触控电极，但不以此为限。
可选的，所述间隔阶段包括扫描空白阶段，所述扫描空白阶段包括帧间空白时间段，所述控制电路用于控制所述第一面板在其帧间空白时间段中的触控阶段进行触控检测，并控制所述第一面板的帧间空白时间段与所述第二面板的帧间空白时间段至少部分交叠。
在具体实施时，所述第一面板在其帧间空白时间段中的触控阶段进行触 控检测，并所述第一面板的帧间空白时间段与所述第二面板的帧间空白时间段至少部分交叠，也即使得第一面板的帧间空白时间段与所述第二面板的帧间空白时间段重合或间隔时间较短。
在本公开至少一实施例中，所述第一面板的刷新率、所述第一面板的触控频率和所述第二面板的刷新率可以相等，例如可以都为60Hz，但不以为限。
可选的，所述第一面板的刷新率和所述第二面板的刷新率也可以不相等，第一面板的触控频率与所述第二面板的刷新率相等。例如，所述第一面板的刷新率可以为120Hz，所述第二面板的刷新率可以为60Hz，所述第一面板的触控频率也可以为60Hz，从而使得能够在第二面板的帧间空白时间段，控制所述第一面板进行触控检测。
在优选情况下，所述控制电路用于控制第一面板的刷新率与所述第二面板的刷新率相同，并控制所述第一面板和所述第二面板之间帧同步，以使得所述第一面板的触控阶段与所述第二面板的帧间空白时间段至少部分交叠，或者，所述触控阶段与所述第二面板的帧间空白时间段之间相隔时间短。
例如，第一面板的刷新率与所述第二面板的刷新率可以都为60Hz，所述第一面板的触控频率可以为60Hz，但不以此为限。
在本公开至少一实施例中，所述第一面板和第二面板之间帧同步指的可以是：
所述第一面板的帧间空白时间段和所述第二面板的帧间空白时间段重合；或者，
所述第一面板的帧间空白时间段和所述第二面板的帧间空白时间段之间的间隔时间小于预定时间；
但不以此为限。
在具体实施时，所述预定时间与一帧画面显示时间之间的比值可以小于或等于0.05，但不以此为限。
根据一种具体实施方式，所述控制电路具体用于控制所述第一面板的帧间空白时间段与所述第二面板的帧间空白时间段重合，以使得所述第一面板的触控阶段设置于所述第二面板的帧间空白时间段中，以实现在第一面板进行触控检测过程中，第二面板停止显示驱动动作，这样可以防止第二面板通 过电容影响第一面板的触控检测精度。
根据另一种具体实施方式，所述间隔阶段包括一帧画面显示时间的帧开始时间或一帧画面显示时间的帧结束时间；
所述控制电路可以具体用于控制所述第一面板的扫描开始时间和所述第二面板的扫描开始时间之间间隔的时间小于或等于第一误差时间。
在具体实施时，所述第一误差时间与一帧画面显示时间之间的比值可以小于或等于0.05，但不以此为限。
在本公开至少一实施例中，所述扫描开始时间即为一帧画面显示时间的开始时间，但不以此为限。
在具体实施时，所述触控阶段持续的时间与所述帧间空白时间段持续的时间的比值大于或等于0.2而小于或等于0.6；
所述触控阶段设置于所述第一面板的帧间空白时间段内，所述触控阶段的开始时间与该帧间空白时间段的开始时间之间的时间差，与所述帧间空白时间段持续的时间之间的比值小于或等于0.4。
如图3所示，当第一面板的刷新率与第二面板的刷新率相同，并所述第一面板的帧间空白时间段B2和所述第二面板的帧间空白时间段B1重合时，第一面板的触控阶段T0设置于所述第一面板的帧间空白时间段B2中，并第一面板的触控阶段T0设置于第二面板的帧间空白时间段B1中。
如图4所示，第一面板的刷新率与第二面板的刷新率相同(例如所述刷新率可以都为60Hz)，所述第一面板的触控阶段T0设置于所述第一面板的帧间空白时间段B2内，所述第一面板的帧间空白时间段B2和所述第二面板的帧间空白时间段B1之间可以间隔592微秒(B1比B2延迟592微秒)，T0设置于所述第二面板的帧结束时间F21。
在具体实施时，B2和B1的间隔时间指的可以是：B2的开始时间与B1的开始时间之间间隔的时间。
如图5所示，第一面板的刷新率与第二面板的刷新率相同(例如所述刷新率可以都为60Hz)，所述第一面板的触控阶段T0设置于所述第一面板的帧间空白时间段B2内，所述第一面板的帧间空白时间段B2和所述第二面板的帧间空白时间段B1之间可以间隔一定时间(B1比B2延迟一定时间)，T0 的一部分设置于所述第二面板的帧结束时间F21，T0的另一部分设置于第二面板的帧间空白时间段B1。
如图6所示，第一面板的刷新率与第二面板的刷新率相同(例如所述刷新率可以都为60Hz)，所述第一面板的触控阶段T0设置于所述第一面板的帧间空白时间段B2内，所述第一面板的帧间空白时间段B2和所述第二面板的帧间空白时间段B1之间可以间隔一定时间(B2比B1延迟一定时间)，T0设置于所述第二面板的帧开始时间F22。
如图7所示，第一面板的刷新率与第二面板的刷新率相同(例如所述刷新率可以都为60Hz)，所述第一面板的触控阶段T0设置于所述第一面板的帧间空白时间段B2内，所述第一面板的帧间空白时间段B2和所述第二面板的帧间空白时间段B1之间可以间隔一定时间(B2比B1延迟一定时间)，T0的一部分设置于所述第二面板的帧开始时间F22，T0的另一部分设置于第二面板的帧间空白时间段B1。
如图3-图7所示，标号为F1的为所述第二面板的第一帧画面显示时间，标号为F2的为第二面板的第二帧画面显示时间，标号为B1的为F1和F2之间的第二面板的帧间空白时间段，在帧间空白时间段B1内，第二面板中的所有栅线可以都关闭；当所述第一面板的触控阶段T0包含于所述帧间空白时间段B1时，在触控阶段T0结束后，并在F2开始后，所述第二驱动控制电路控制向所述第二面板包括的多行栅线依次提供相应的栅极驱动信号。
如图3-图7所示，标号为F11的为第一面板的第一帧画面显示时间，标号为F12的为第一面板的第二帧画面显示时间，标号为B2的为F11和F12之间的第一面板的帧间空白时间段。
在图3-图7中，标号为G1的为第二面板包括的第一行栅线，标号为G2的为第二面板包括的第二行栅线，标号为GN的为第二面板包括的第N行栅线，标号为GN+1的为第二面板包括的第N+1行栅线，标号为GP的为第二面板包括的第P行栅线，P大于N+1，P为正整数，第二面板包括P行栅线；
在图3-图7中，标号为G11的为第一面板包括的第一行栅线，标号为G12的为第一面板包括的第二行栅线，标号为G1N的为第一面板包括的第N行栅线，标号为G1N+1的为第一面板包括的第N+1行栅线，标号为G1R的 为第一面板包括的第R行栅线，R大于N+1，R为正整数，第一面板包括R行栅线。
可选的，在本公开至少一实施例中，所述控制电路用于当所述第一面板71进行触控检测时，控制第二面板72停止进行显示驱动。
本公开至少一实施例所述的驱动控制模组能够控制当所述第一面板71进行触控检测时，控制第二面板72停止进行显示驱动，以实现在第一面板71进行触控检测过程中，第二面板停止显示驱动动作，这样可以防止第二面板72通过电容影响第一面板71的触控检测精度。
本公开至少一实施例所述的驱动控制模组在工作时，当所述第一面板71进行触控检测时，所述控制电路20控制第二面板72停止进行显示驱动，以使得第二面板72暂停栅极扫描和源极扫描，实现在第一面板71进行触控检测过程中，第二面板72无栅极扫描和源极扫描动作，这样可以防止第二面板72通过电容影响第一面板71的触控检测精度。
在具体实施时，所述控制电路20还用于当所述第一面板71进行触控检测时，控制第二面板72继续显示当前画面，并在所述第一面板71进入显示阶段时，控制从所述第二面板72中的待扫描栅线开始继续进行扫描；
所述待扫描栅线为在所述第一面板71进行触控检测前，所述第二面板72中的最后被扫描的栅线的下一行栅线。
当所述第一面板71进行触控检测时，所述第二面板72继续显示当前画面，在所述第一面板71从触控检测状态进入显示阶段时，所述控制电路20控制所述第二面板72继续进行显示驱动，并能够控制从所述第二面板72中的待扫描栅线开始继续进行栅极驱动扫描，提升第二面板72的显示效果。
在本公开至少一实施例中，当所述最后被扫描的栅线为所述第二面板72中的最后一行栅线时，所述待扫描栅线为所述第二面板72中的第一行栅线；
当所述最后被扫描的栅线为所述第二面板72中的第N行栅线时，所述待扫描栅线为所述第二面板72中的第N+1行栅线；N为正整数。
可选的，所述控制电路20用于在两帧画面显示时间之间的帧间空白时间段，控制所述第一面板71进行触控检测。
在本公开至少一实施例中，在所述帧间空白时间段，所述控制电路20控 制所述第一面板71进行触控检测，并控制第二面板72停止进行显示驱动，以使得所述第一面板71的触控检测精度不受第二面板72影响。
在具体实施时，所述控制电路20用于控制所述第一面板71和所述第二面板72同时处于所述帧间空白时间段，则在所述帧间空白时间段，所述第二面板72无显示驱动动作，则可以通过所述控制电路20控制所述第一面板71在所述帧间空白时间段进行触控检测，则即使驱动集成电路无显示保持功能，也可以在不影响第二面板72的显示效果的同时，提升第一面板71的触控检测精度。
如图8所示，标号为F1的为所述第二面板的第一帧画面显示时间，标号为F2的为第二面板的第二帧画面显示时间，标号为B1的为F1和F2之间的帧间空白时间段，在帧间空白时间段B1内，第二面板中的所有栅线可以都关闭；当所述第一面板的触控阶段T0包含于所述帧间空白时间段B1时，在触控阶段T0结束后，并在F2开始后，所述第二驱动控制电路控制向所述第二面板包括的多行栅线依次提供相应的栅极驱动信号。
在图8中，标号为G1的为第二面板包括的第一行栅线，标号为G2的为第二面板包括的第二行栅线，标号为GN的为第二面板包括的第N行栅线，标号为GN+1的为第二面板包括的第N行栅线，标号为GP的为第二面板包括的第P行栅线，P大于N+1，P为正整数，第二面板包括P行栅线。
如图9所示，所述控制电路可以包括第一驱动控制子电路11、控制子电路12和第二驱动控制子电路13，其中，
所述第一驱动控制子电路11与所述第一面板71电连接，用于根据所述第一面板71的触控状态输出触控指示信号；
所述控制子电路12分别与所述第一驱动控制子电路11和所述第二驱动控制子电路13电连接，用于接收所述触控指示信号，并当所述触控指示信号指示所述第一面板71进入触控阶段时，向所述第二驱动控制子电路13提供驱动停止控制信号，并当所述触控指示信号指示所述第一面板71进入显示阶段时，向所述第二驱动控制子电路13提供驱动控制信号；
所述第二驱动控制子电路13与所述第二面板72电连接，用于接收所述驱动停止控制信号和所述驱动控制信号，并用于响应于接收到的所述驱动停 止控制信号，控制停止扫描所述第二面板72包括的所有行栅线，并记录在接收到所述驱动停止控制信号前，所述第二面板72中的最后被扫描的栅线位于的行数N；所述第二驱动控制子电路13还用于响应于所述驱动控制信号，控制从所述第二面板72中的第N+1行栅线继续进行扫描；
N为正整数。
在图9所示的实施例中，所述间隔阶段可以包括扫描空白阶段，所述扫描空白阶段可以为帧内空白时间段，但不以此为限。
本公开至少一实施例所述的驱动控制模组在工作时，第一驱动控制子电路11根据触控状态输出触控指示信号，通过控制子电路12根据触控指示信号向第二驱动控制子电路13提供驱动停止控制信号或驱动控制信号，所述第二驱动控制子电路13接收所述驱动停止控制信号或驱动控制信号，第二驱动控制子电路13响应于所述驱动停止控制信号，控制所述第二面板72包括的所有行栅线关闭，并记录N，所述第二驱动控制子电路13响应于所述驱动控制信号，控制从所述第二面板72中的第N+1行栅线继续进行扫描。本公开至少一实施例所述的驱动控制模组能够减少第二面板对第一面板触控精度的影响。
本公开至少一实施例所述的驱动控制模组在工作时，当所述第二驱动控制子电路13接收到所述驱动停止控制信号时，第二驱动控制子电路控制所述第二面板72包括的所有行栅线关闭，以使得第二面板72暂停栅极扫描和源极扫描，实现在第一面板71进行触控检测过程中，第二面板72无栅极扫描和源极扫描动作，这样可以防止第二面板72通过电容影响第一面板71的触控检测精度。
在本公开至少一实施例中，在所述第二面板的驱动IC(Integrated Circuit，集成电路)中加入显示保持功能，使得第二面板可以在第一面板进行触控检测时暂停栅极扫描和源极扫描，而在第一面板进行停止触控检测时，能够控制所述第二面板继续进行显示驱动，从第二面板中的待扫描栅线开始进行栅极扫描和源极扫描。
在具体实施时，所述第一驱动控制子电路可以用于在所述第一面板71启动后，持续检测所述第一面板71的触控状态。
在实际操作时，在第一面板71启动后，第一驱动控制子电路11可以持续检测第一面板的触控状态，以能够根据所述触控状态实时控制第二面板72的栅线扫描动作，提升第一面板的触控检测精度。
在本公开至少一实施例中，所述第二驱动控制子电路可以具体用于响应于所述驱动停止控制信号，向所述第二面板包括的所有栅线提供第一电压信号，以控制所述所有栅线关闭，并控制停止向所述第二面板包括的数据线提供数据电压。
在实际操作时，在所述第二驱动控制子电路接收到驱动停止控制信号后，可以控制向第二面板中的栅线提供第一电压信号，并控制停止向第二面板包括的数据线提供数据电压，以减少对第一面板的触控检测操作的影响。
在具体实施时，所述第一电压信号可以为直流电压信号，这样提供至第二面板中的栅线的第一电压信号为直流电压信号，从而不会产生电压波动而影响第一面板的触控检测操作。
如图10所示，标号为T0的为触控阶段(所述触控阶段为第一面板进行触控检测的时间段)，在T0开始之前，所述第二面板包括的第N行栅线GN打开(GN输出高电压，此时第二面板包括的像素电路中的栅极与栅线电连接的晶体管为n型晶体管)，在触控阶段T0，第二面板包括的所有行栅线都关闭(也即所有行栅线都输出低电压)，第二面板包括的数据线D0不提供数据电压；在所述触控阶段T0结束后，从第二面板包括的第N+1行栅线GN+1开始扫描。
在图10中，标号为GN+1的为第二面板包括的第N+1行栅线，标号为GM的为第二面板包括的第M行栅线，M为正整数，M大于N+1。
在本公开至少一实施例中，所述第二驱动控制子电路可以具体用于响应于所述驱动停止控制信号，控制向所述第二面板包括的所有栅线提供预定栅极驱动信号，控制向所述第二面板包括的所有数据线提供预定电压信号；
所述预定栅极驱动信号为第二电压信号与触控驱动信号叠加后生成的信号，所述预定电压信号为第三电压信号与所述触控驱动信号叠加后生成的信号；
所述触控驱动信号为第一面板处于触控状态时，所述第一面板中的触控 驱动线上的信号。
在优选情况下，在接收到所述驱动停止控制信号时(也即第一面板处于触控阶段时)，可以控制第二面板中的栅线上的栅极驱动信号，以及，所述第二面板中的数据线上的电压信号与第一面板中的触控驱动线上的触控驱动信号同步变化，以减少第二面板上的电压变化对第一面板的触控操作的影响。
在具体实施时，所述第二电压信号和所述第三电压信号可以为直流电压信号，但不以此为限。
如图11所示，在触控阶段T0，第一面板中的触控驱动线上的触控驱动信号TP为方波信号，此时，第二面板中的栅线上的栅极驱动信号和第二面板中的数据线上的电压信号与TP同步变化。在图11中，仅示出了第N行栅线GN上的栅极驱动信号和一数据线D0上的电压信号，在实际操作时，在触控阶段T0，第二面板上的其他栅线上的栅极驱动信号可以与GN上的栅极驱动信号相同，第二面板上的其他数据线上的电压信号可以与D0上的电压信号相同，但不以此为限。
例如，在触控阶段T0，TP的电位可以在4V和0V之间切换，GN的电位可以在6V和2V之间切换，D0的电位可以在-4V至-8V之间切换，但不以此为限。
在本公开至少一实施例中，所述控制电路还可以用于在所述双层面板启动时，控制先启动所述第一面板，并控制在启动所述第一面板后启动所述第二面板。
在具体实施时，可以在双层面板开机时采用分时启动，先启动第一面板，后启动第二面板；由于在双层面板开机时，第一面板会进行基值校准，如果第二面板开启会对第一面板进行干扰，导致第一面板基值校准不准确，因此控制电路可以在所述双层面板启动时，控制先启动所述第一面板，并控制在启动所述第一面板后启动所述第二面板。
本公开至少一实施例所述的驱动控制方法，应用于上述的驱动控制模组，所述驱动控制方法包括：
控制电路控制第一面板的触控阶段设置于第二面板的间隔阶段内；
所述间隔阶段包括扫描空白阶段、一帧画面显示时间的帧开始时间、一 帧画面显示时间的帧结束时间中的至少一个。
在本公开至少一实施例中，所述扫描空白阶段包括帧间空白时间段和帧内空白时间段；
所述帧间空白时间段指的是：两帧画面显示时间之间的空白时间段；
所述帧内空白时间段指的是：当在一帧画面显示时间之内设置有至少两个显示阶段时，所述帧内空白时间段为两个相邻的显示阶段之间的空白时间段；
在所述帧间空白时间段和所述帧内空白时间段内，所述第二面板不进行显示驱动。
在本公开至少一实施例中，一帧画面显示时间的帧开始时间指的是：一帧画面显示时间中的最开始M行栅线打开时间，M为正整数；
一帧画面显示时间的帧结束时间指的是：一帧画面显示时间中的最后M行栅线打开时间。
在具体实施时，M行栅线打开时间与一帧画面显示时间之间的比值小于或等于0.05，但不以此为限。
在本公开至少一实施例所述的驱动控制方法中，控制电路控制所述第一面板的触控阶段设置于所述第二面板的间隔阶段内，使得当所述第一面板进行触控检测时，所述第二面板停止显示驱动，可以防止第二面板通过电容影响第一面板的触控检测精度；或者，所述控制电路可以控制当所述第一面板开始进行触控检测时，所述第二面板即将结束显示驱动，或者，所述控制电路可以控制当所述第一面板结束触控检测时，所述第二面板刚开始进行显示驱动，也即，所述触控阶段仅与第二面板的帧开始时间或第二面板的帧结束时间至少部分重合，能够改善第二面板通过电容影响第一面板的触控检测精度的情况。
可选的，所述间隔阶段可以包括扫描空白阶段，所述扫描空白阶段包括帧间空白时间段，所述驱动控制方法具体包括：
所述控制电路控制所述第一面板在其帧间空白时间段中的触控阶段进行触控检测，并控制所述第一面板的帧间空白时间段与第二面板的帧间空白时间段至少部分交叠。
在具体实施时，所述第一面板在其帧间空白时间段中的触控阶段进行触控检测，并所述第一面板的帧间空白时间段与所述第二面板的帧间空白时间段至少部分交叠，也即使得第一面板的帧间空白时间段与所述第二面板的帧间空白时间段重合或间隔时间较短。
在本公开至少一实施例中，所述驱动控制方法可以具体包括：所述控制电路控制第一面板的刷新率与所述第二面板的刷新率相同，并控制所述第一面板和所述第二面板之间帧同步，以使得所述第一面板的触控阶段与所述第二面板的帧间空白时间段至少部分交叠，或者，所述触控阶段与所述第二面板的帧间空白时间段之间相隔时间短。
例如，第一面板的刷新率与所述第二面板的刷新率可以都为60Hz，所述第一面板的触控频率可以为60Hz，但不以此为限。
在本公开至少一实施例中，所述第一面板和第二面板之间帧同步指的可以是：
所述第一面板的帧间空白时间段和所述第二面板的帧间空白时间段重合；或者，
所述第一面板的帧间空白时间段和所述第二面板的帧间空白时间段之间的间隔时间小于预定时间；
但不以此为限。
可选的，所述驱动控制方法具体包括：当第一面板进行触控检测时，控制电路控制第二面板停止进行显示驱动。
在本公开至少一实施例所述的驱动控制方法中，当所述第一面板进行触控检测时，控制电路控制第二面板停止进行显示驱动，以实现在第一面板进行触控检测过程中，第二面板停止显示驱动动作，这样可以防止第二面板通过电容影响第一面板的触控检测精度。
可选的，本公开至少一实施例所述的驱动控制方法还可以包括：
当所述第一面板进行触控检测时，所述控制电路控制所述第二面板继续显示当前画面；
当所述第一面板进入显示阶段时，所述控制电路控制从所述第二面板中的待扫描栅线开始继续进行扫描；
所述待扫描栅线为在所述第一面板进行触控检测前，所述第二面板中的最后被扫描的栅线的下一行栅线。
当所述第一面板进行触控检测时，所述第二面板继续显示当前画面，在所述第一面板从触控检测状态进入显示阶段时，所述控制电路控制所述第二面板继续进行显示驱动，并能够控制从所述第二面板中的待扫描栅线开始继续进行栅极驱动扫描，提升第二面板的显示效果。可选的，所述驱动控制方法还包括：在两帧画面显示时间之间的帧间空白时间段，所述控制电路控制所述第一面板进行触控检测。
在本公开至少一实施例中，在所述帧间空白时间段，所述控制电路控制所述第一面板进行触控检测，并控制第二面板停止进行显示驱动，以使得所述第一面板的触控检测精度不受第二面板影响。
可选的，所述驱动控制方法还包括：所述控制电路控制所述第一面板和所述第二面板同时处于所述帧间空白时间段。
在具体实施时，所述控制电路可以控制所述第一面板和所述第二面板同时处于所述帧间空白时间段，则在所述帧间空白时间段，所述第二面板无显示驱动动作，则可以通过所述控制电路控制所述第一面板在所述帧间空白时间段进行触控检测，则即使驱动集成电路无显示保持功能，也可以在不影响第二面板的显示效果的同时，提升第一面板的触控检测精度。
可选的，所述控制电路可以包括第一驱动控制子电路、控制子电路和第二驱动控制子电路；如图12所示，所述驱动控制方法包括：
S1：第一驱动控制子电路根据所述第一面板的触控状态输出触控指示信号；
S2：控制子电路接收所述触控指示信号；当所述触控指示信号指示所述第一面板进入触控阶段时，所述控制子电路向所述第二驱动控制子电路提供驱动停止控制信号，当所述触控指示信号指示所述第一面板进入显示阶段时，所述控制子电路向所述第二驱动控制子电路提供驱动控制信号；
S3：所述第二驱动控制子电路响应于接收到的所述驱动停止控制信号，控制停止扫描所述第二面板包括的所有行栅线，并记录在接收到所述驱动停止控制信号前，所述第二面板中的最后被扫描的栅线位于的行数N；所述第 二驱动控制子电路响应于所述驱动控制信号，控制从所述第二面板中的第N+1行栅线继续进行扫描；
N为正整数。
在本公开至少一实施例所述的驱动控制方法中，第一驱动控制子电路根据触控状态输出触控指示信号，通过控制子电路根据触控指示信号向第二驱动控制子电路提供驱动停止控制信号或驱动控制信号，所述第二驱动控制子电路接收所述驱动停止控制信号或驱动控制信号，第二驱动控制子电路响应于所述驱动停止控制信号，控制所述第二面板包括的所有行栅线关闭，并记录N，所述第二驱动控制子电路响应于所述驱动控制信号，控制从所述第二面板中的第N+1行栅线继续进行扫描。本公开至少一实施例所述的驱动控制方法能够减少第二面板对第一面板触控精度的影响。
可选的，所述驱动控制方法还包括：在所述第一面板启动后，所述第一驱动控制子电路持续检测所述第一面板的触控状态。
在实际操作时，在第一面板启动后，第一驱动控制子电路可以持续检测第一面板的触控状态，以能够根据所述触控状态实时控制第二面板的对栅线的扫描动作，提升第一面板的触控检测精度。
在具体实施时，所述第二驱动控制子电路响应于接收到的所述驱动停止控制信号，控制停止扫描所述第二面板包括的所有行栅线步骤可以包括：
所述第二驱动控制子电路响应于所述驱动停止控制信号，控制向所述第二面板包括的所有栅线提供第一电压信号，以控制停止扫描所述所有行栅线，并控制停止向所述第二面板包括的数据线提供数据电压。
在实际操作时，在接收到驱动停止控制信号后，所述第二驱动控制子电路可以控制向第二面板中的栅线提供第一电压信号，并控制停止向第二面板包括的数据线提供数据电压，以减少对第一面板的触控检测操作的影响。
在具体实施时，所述第一电压信号可以为直流电压信号，这样提供至第二面板中的栅线的第一电压信号为直流电压信号，从而不会产生电压波动而影响第一面板的触控检测操作。
在具体实施时，所述第二驱动控制子电路响应于接收到的所述驱动停止控制信号，控制停止扫描所述第二面板包括的所有行栅线步骤可以包括：
所述第二驱动控制子电路响应于所述驱动停止控制信号，控制向所述第二面板包括的所有栅线提供预定栅极驱动信号，控制向所述第二面板包括的所有数据线提供预定电压信号；
所述预定栅极驱动信号为第二电压信号与触控驱动信号叠加后生成的信号，所述预定电压信号为第三电压信号与所述触控驱动信号叠加后生成的信号；
所述触控驱动信号为第一面板处于触控状态时，所述第一面板中的触控驱动线上的信号。
在优选情况下，在所述第二驱动控制子电路接收到所述驱动停止控制信号时(也即第一面板处于触控阶段时)，可以控制第二面板中的栅线上的栅极驱动信号，以及，所述第二面板中的数据线上的电压信号与第一面板中的触控驱动线上的触控驱动信号同步变化，以减少第二面板上的电压变化对第一面板的触控操作的影响。
在具体实施时，所述第二电压信号和所述第三电压信号可以为直流电压信号，但不以此为限。
可选的，所述第二电压信号和所述第三电压信号为直流电压信号。
在本公开至少一实施例中，所述的驱动控制方法还可以包括：
在所述双层面板启动时，控制电路控制先启动所述第一面板，并控制在启动所述第一面板后启动所述第二面板。
在具体实施时，可以在双层面板开机时采用分时启动，先启动第一面板，后启动第二面板；由于在双层面板开机时，第一面板会进行基值校准，如果第二面板开启会对第一面板进行干扰，导致第一面板基值校准不准确，因此控制电路可以在所述双层面板启动时，控制先启动所述第一面板，并控制在启动所述第一面板后启动所述第二面板。
本公开公开至少一实施例所述的双层面板包括上述的驱动控制模组。
在本公开至少一实施例中，所述双层面板可以应用于车载显示设备。
可选的，所述第一面板可以为LTPS(低温多晶硅)TDDI面板，所述第二面板可以为a-Si(非晶硅)mono显示面板(所述mono显示面板为不包括彩膜基板的显示面板)，但不以此为限。
在本公开至少一实施例中，所述第一面板和第二面板都为采用液晶显示的面板，但不以此为限。
在具体实施时，所述驱动控制模组可以集成于FPGA(Field Programmable Gate Array，可编程逻辑阵列)芯片中。
如图13所示，本公开至少一实施例所述的双层面板可以包括集成于FPGA芯片70中的驱动控制模组、第一面板71和第二面板72；
本公开至少一实施例所述的双层面板在工作时，FPGA芯片70接收图像信息，将处理后的图像信息提供至第一面板71和第二面板72；
FPGA芯片70中的驱动控制模组检测第一面板的触控状态，并根据所述触控状态，向所述第二面板72提供驱动控制信号或驱动停止控制信号，以控制第二面板72进行显示驱动或停止显示驱动。
本公开实施例所述的显示装置包括上述的双层面板。
本公开实施例所提供的显示装置可以为车载显示设备、手机、平板电脑、电视机、显示器、笔记本电脑、数码相框、导航仪等任何具有显示功能的产品或部件。
以上所述是本公开的优选实施方式，应当指出，对于本技术领域的普通技术人员来说，在不脱离本公开所述原理的前提下，还可以作出若干改进和润饰，这些改进和润饰也应视为本公开的保护范围。

Claims (22)

  1. 一种驱动控制模组，应用于双层面板，所述双层面板包括第一面板和第二面板，所述第一面板为触控显示面板，所述第二面板为显示面板，所述驱动控制模组包括控制电路；
    所述控制电路分别与所述第一面板和所述第二面板电连接，用于控制所述第一面板的触控阶段设置于所述第二面板的间隔阶段内；
    所述第一面板用于在所述触控阶段内进行触控检测；
    所述间隔阶段包括扫描空白阶段、一帧画面显示时间的帧开始时间、一帧画面显示时间的帧结束时间中的至少一个。
  2. 如权利要求1所述的驱动控制模组，其中，所述间隔阶段包括扫描空白阶段，所述扫描空白阶段包括帧间空白时间段，所述控制电路用于控制所述第一面板在其帧间空白时间段中的触控阶段进行触控检测，并控制所述第一面板的帧间空白时间段与所述第二面板的帧间空白时间段至少部分交叠。
  3. 如权利要求2所述的驱动控制模组，其中，所述控制电路用于控制第一面板的刷新率与所述第二面板的刷新率相同，并控制所述第一面板和所述第二面板之间帧同步。
  4. 如权利要求3所述的驱动控制模组，其中，所述控制电路具体用于控制所述第一面板的帧间空白时间段与所述第二面板的帧间空白时间段重合，以使得所述第一面板的触控阶段设置于所述第二面板的帧间空白时间段中。
  5. 如权利要求3所述的驱动控制模组，其中，所述控制电路具体用于控制所述第一面板的扫描开始时间和所述第二面板的扫描开始时间之间间隔的时间小于或等于第一误差时间，所述间隔阶段包括一帧画面显示时间的帧开始时间或一帧画面显示时间的帧结束时间。
  6. 如权利要求5所述的驱动控制模组，其中，所述第一误差时间与一帧画面显示时间之间的比值小于或等于0.05。
  7. 如权利要求5所述的驱动控制模组，其中，所述触控阶段持续的时间与所述帧间空白时间段持续的时间的比值大于或等于0.2而小于或等于0.6；
    所述触控阶段设置于所述第一面板的帧间空白时间段内，所述触控阶段 的开始时间与该帧间空白时间段的开始时间之间的时间差，与所述帧间空白时间段持续的时间之间的比值小于或等于0.4。
  8. 如权利要求1所述的驱动控制模组，其中，所述控制电路具体用于当所述第一面板进行触控检测时，控制第二面板停止进行显示驱动。
  9. 如权利要求8所述的驱动控制模组，其中，所述控制电路还用于当所述第一面板进行触控检测时，控制第二面板继续显示当前画面，并在所述第一面板进入显示阶段时，控制从所述第二面板中的待扫描栅线开始继续进行扫描；
    所述待扫描栅线为在所述第一面板进行触控检测前，所述第二面板中的最后被扫描的栅线的下一行栅线。
  10. 如权利要求8或9所述的驱动控制模组，其中，所述控制电路包括第一驱动控制子电路、控制子电路和第二驱动控制子电路；
    所述第一驱动控制子电路与所述第一面板电连接，用于根据所述第一面板的触控状态输出触控指示信号；
    所述控制子电路分别与所述第一驱动控制子电路和所述第二驱动控制子电路电连接，用于接收所述触控指示信号，并当所述触控指示信号指示所述第一面板进入触控阶段时，向所述第二驱动控制子电路提供驱动停止控制信号，并当所述触控指示信号指示所述第一面板进入显示阶段时，向所述第二驱动控制子电路提供驱动控制信号；
    所述第二驱动控制子电路与所述第二面板电连接，用于响应于接收到的所述驱动停止控制信号，控制停止扫描所述第二面板包括的所有行栅线，并记录在接收到所述驱动停止控制信号前，所述第二面板中的最后被扫描的栅线位于的行数N，并响应于所述驱动控制信号，控制从所述第二面板中的第N+1行栅线继续进行扫描；
    N为正整数。
  11. 如权利要求10所述的驱动控制模组，其中，所述第二驱动控制子电路具体用于响应于所述驱动停止控制信号，控制向所述第二面板包括的所有栅线提供第一电压信号，以控制停止扫描所述所有行栅线，并控制停止向所述第二面板包括的数据线提供数据电压。
  12. 如权利要求11所述的驱动控制模组，其中，所述第一电压信号为直流电压信号。
  13. 如权利要求10所述的驱动控制模组，其中，所述第二驱动控制子电路具体用于响应于所述驱动停止控制信号，控制向所述第二面板包括的所有栅线提供预定栅极驱动信号，控制向所述第二面板包括的所有数据线提供预定电压信号；
    所述预定栅极驱动信号为第二电压信号与触控驱动信号叠加后生成的信号，所述预定电压信号为第三电压信号与所述触控驱动信号叠加后生成的信号；
    所述触控驱动信号为第一面板处于触控状态时，所述第一面板中的触控驱动线上的信号。
  14. 如权利要求13所述的驱动控制模组，其中，所述第二电压信号和所述第三电压信号为直流电压信号。
  15. 如权利要求10所述的驱动控制模组，其中，所述第一驱动控制子电路具体用于在所述第一面板启动后，持续检测所述第一面板的触控状态。
  16. 如权利要求1至9中任一权利要求所述的驱动控制模组，其中，所述控制电路还用于在所述双层面板启动时，控制先启动所述第一面板，并控制在启动所述第一面板后启动所述第二面板。
  17. 一种驱动控制方法，应用于如权利要求1至16中任一权利要求所述的驱动控制模组，所述驱动控制方法包括：
    控制电路控制第一面板的触控阶段设置于第二面板的间隔阶段内；
    所述间隔阶段包括扫描空白阶段、一帧画面显示时间的帧开始时间、一帧画面显示时间的帧结束时间中的至少一个。
  18. 如权利要求17所述的驱动控制方法，其中，所述间隔阶段包括扫描空白阶段，所述扫描空白阶段包括帧间空白时间段，所述驱动控制方法具体包括：
    所述控制电路控制所述第一面板在其帧间空白时间段中的触控阶段进行触控检测，并控制所述第一面板的帧间空白时间段与第二面板的帧间空白时间段至少部分交叠。
  19. 如权利要求18所述的驱动控制方法，其中，具体包括：所述控制电路控制第一面板的刷新率与所述第二面板的刷新率相同，并控制所述第一面板和所述第二面板之间帧同步。
  20. 如权利要求17所述的驱动控制方法，其中，具体包括：当所述第一面板进行触控检测时，所述控制电路控制第二面板停止进行显示驱动。
  21. 如权利要求20所述的驱动控制方法，其中，所述控制电路还用于当所述第一面板进行触控检测时，控制第二面板继续显示当前画面，并在所述第一面板进入显示阶段时，控制从所述第二面板中的待扫描栅线开始继续进行扫描；
    所述待扫描栅线为在所述第一面板进行触控检测前，所述第二面板中的最后被扫描的栅线的下一行栅线。
  22. 一种双层面板，包括如权利要求1至16中任一权利要求所述的驱动控制模组。
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