WO2020042317A1 - 一种显示面板及其图像控制装置和方法 - Google Patents

一种显示面板及其图像控制装置和方法 Download PDF

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Publication number
WO2020042317A1
WO2020042317A1 PCT/CN2018/112142 CN2018112142W WO2020042317A1 WO 2020042317 A1 WO2020042317 A1 WO 2020042317A1 CN 2018112142 W CN2018112142 W CN 2018112142W WO 2020042317 A1 WO2020042317 A1 WO 2020042317A1
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WIPO (PCT)
Prior art keywords
voltage
pixel
sub
driving data
module
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PCT/CN2018/112142
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English (en)
French (fr)
Inventor
赵文勤
Original Assignee
重庆惠科金渝光电科技有限公司
惠科股份有限公司
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Application filed by 重庆惠科金渝光电科技有限公司, 惠科股份有限公司 filed Critical 重庆惠科金渝光电科技有限公司
Priority to US16/225,133 priority Critical patent/US11011095B2/en
Publication of WO2020042317A1 publication Critical patent/WO2020042317A1/zh

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Classifications

    • GPHYSICS
    • G09EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09GARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G3/00Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
    • G09G3/20Control 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
    • G09G3/2007Display of intermediate tones
    • G09G3/2074Display of intermediate tones using sub-pixels
    • GPHYSICS
    • G09EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09GARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G2320/00Control of display operating conditions
    • G09G2320/02Improving the quality of display appearance
    • G09G2320/0271Adjustment of the gradation levels within the range of the gradation scale, e.g. by redistribution or clipping
    • G09G2320/0276Adjustment of the gradation levels within the range of the gradation scale, e.g. by redistribution or clipping for the purpose of adaptation to the characteristics of a display device, i.e. gamma correction

Definitions

  • the embodiments of the present application belong to the field of display technology, and in particular, to a display panel and an image control device and method thereof.
  • the current display panel especially the wide-view type display panel, has a significantly reduced picture contrast under a large viewing angle, resulting in a whiter picture and a poorer display effect.
  • the embodiments of the present application provide a display panel and an image control device and method thereof, which aim to solve the problem that the display contrast of a current display panel, especially a wide viewing angle type display panel under a large viewing angle is significantly reduced, resulting in a whiter screen and a poor display effect.
  • the problem is to solve the problem that the display contrast of a current display panel, especially a wide viewing angle type display panel under a large viewing angle is significantly reduced, resulting in a whiter screen and a poor display effect.
  • a first aspect of the embodiments of the present application provides an image control device, including:
  • the high-voltage gamma module is configured to adjust a voltage of a driving signal corresponding to a main sub-pixel in the driving data to a high voltage when receiving the driving data to obtain the first driving data and output the first driving data;
  • a low-voltage gamma module an input of the low-voltage gamma module is connected to an input of the high-voltage gamma module, and is configured to, when receiving the driving data, divide the driving data with a sub-pixel The voltage of the corresponding driving signal is adjusted to a low voltage, and the second driving data is obtained and output;
  • a first selection module a first input terminal of the first selection module is connected to an output terminal of the high-voltage gamma module, and a second input terminal of the first selection module is connected to an output of the low-voltage gamma module End connection, configured to select from the first driving data or the second driving data according to the sub-pixel arrangement of the pixel array when the first driving data and the second driving data are received A target driving signal corresponding to the target sub-pixel is output.
  • a second aspect of the embodiments of the present application provides an image control method, including:
  • a third aspect of the embodiments of the present application provides a display panel including a memory, a processor, and a computer program stored in the memory and executable on the processor.
  • the display panel further includes a pixel array, the pixels
  • the array includes a plurality of pixels, and the sub-pixels of the pixels are divided into a primary sub-pixel and a secondary sub-pixel. Adjacent sub-pixels of any primary sub-pixel in the pixel array are secondary sub-pixels and adjacent sub-pixels of any secondary sub-pixel.
  • a pixel is a main sub-pixel, and the steps of the above method are implemented when the processor executes the computer program.
  • a fourth aspect of the embodiments of the present application provides a computer-readable storage medium, where the computer-readable storage medium stores a computer program, and when the computer program is executed by a processor, implements the steps of the foregoing method.
  • all the sub-pixels of the display panel are divided into primary and secondary sub-pixels, and the primary and secondary attributes of any two adjacent sub-pixels are different. Then, the viewing angle of a human eye when viewing the display panel is detected.
  • the gain value of the driving data is adjusted according to the viewing angle, and the voltage of the driving signal corresponding to the main sub-pixel in the driving data is adjusted to a high voltage to obtain the first driving data; the driving corresponding to the sub-pixel in the driving data is obtained.
  • the voltage of the signal is adjusted to a low voltage to obtain the second driving data.
  • a target driving signal corresponding to the target sub-pixel is selected from the first driving data or the second driving data and output to the display panel.
  • Driving the target sub-pixel it is possible to improve the chromaticity viewing angle and realize the function of large viewing angle through the mixed display of the main sub-pixel and the sub-pixel under different voltages;
  • the voltage of the target driving signal is adjusted according to the gain value and output to the display panel to drive the target sub-pixel; when the gain value is less than or equal to the gain threshold, the driving data is directly output to the display
  • the panel can turn off the large viewing angle function when the human eye is facing the display panel, and can dynamically adjust the large viewing angle performance of the display panel according to the viewing angle of the human eye, control the on and off of the large viewing angle function, and reduce power consumption.
  • FIG. 1 is a schematic structural diagram of a display panel according to a first embodiment of the present application.
  • FIG. 2 is a schematic structural diagram of an image control device according to a first embodiment of the present application.
  • FIG. 3 is a schematic structural diagram of a high-voltage gamma module provided by Embodiment 1 of the present application;
  • FIG. 4 is a schematic structural diagram of a low-voltage gamma module provided by Embodiment 1 of the present application;
  • FIG. 5 is a schematic structural diagram of an image control device according to a second embodiment of the present application.
  • FIG. 6 is a schematic diagram of a perspective provided by Embodiment 2 of the present application.
  • FIG. 7 is a schematic diagram of a viewing angle-gain curve provided in Embodiment 2 of the present application.
  • FIGS. 8 and 9 are schematic structural diagrams of an image control device according to a third embodiment of the present application.
  • FIG. 10 is a schematic structural diagram of a gamma module according to a third embodiment of the present application.
  • 11 and 12 are schematic flowcharts of an image control method according to a fourth embodiment of the present application.
  • FIG. 13 is a schematic structural diagram of a display panel according to a fifth embodiment of the present application.
  • this embodiment provides a pixel array 1 including a plurality of pixels.
  • Sub-pixels of a pixel are divided into a primary sub-pixel and a secondary sub-pixel. Adjacent sub-pixels of any primary sub-pixel in the pixel array are secondary. A sub-pixel and a neighboring sub-pixel of any sub-sub-pixel are a main sub-pixel.
  • each pixel includes at least three sub-pixels of three colors of red, green, and blue, and may also include a fourth sub-pixel.
  • the color of the fourth sub-pixel may be white or yellow.
  • Each pixel can be changed according to actual needs. Any sub-pixel in is set as the primary or secondary sub-pixel.
  • FIG. 1 exemplarily illustrates a pixel array composed of 4 ⁇ 6 sub-pixels, where the colors of the first to sixth columns of sub-pixels are red, green, blue, red, green, and blue, respectively.
  • the colors of the first to sixth columns of sub-pixels are red, green, blue, red, green, and blue, respectively.
  • it can also be set to other arrangements according to actual needs. As long as the primary and secondary attributes of adjacent sub-pixels are different, it is sufficient.
  • the display panel includes a pixel array composed of multiple rows and columns of sub-pixels.
  • the row sub-pixels are connected to the source driving module and the column sub-pixels are connected to the gate driving module.
  • the number of rows and columns of the pixel array can be adjusted as required. Setting, in this embodiment, the size of the pixel array is not particularly limited.
  • the source driving module is used to output driving data (Data) for data driving the pixels of the display panel.
  • the source driving module may be any device or circuit having a function of driving data of the pixels of the display panel, for example, source driving Chip Driver IC) or thin-film source driver chip (S-COF, Source-Chip on Film) and so on.
  • this embodiment further provides an image control device.
  • the display panel includes a pixel array that complies with the above-mentioned arrangement rule and primary and secondary attribute division.
  • the image control device 2 includes:
  • the high-voltage gamma module 21 is configured to, when receiving driving data (Data), adjust the voltage of the driving signal corresponding to the main sub-pixel in the driving data to a high voltage, obtain the first driving data, and output the first driving data.
  • Data driving data
  • the high-voltage gamma module 21 is configured to, when receiving driving data (Data), adjust the voltage of the driving signal corresponding to the main sub-pixel in the driving data to a high voltage, obtain the first driving data, and output the first driving data.
  • the high voltage is higher than the voltage required for the main sub-pixel to display normally.
  • the high-voltage gamma module can be implemented by using a look-up-table (LUT). It can also use other data tables or random data that has the same function as the display look-up table to find the corresponding output data according to the input data.
  • LUT look-up-table
  • RAM storage memory Access Memory
  • the high-voltage gamma module 21 includes:
  • the first high-voltage gamma unit 211 is configured to adjust the voltage of the driving signal corresponding to the first color main sub-pixel in the driving data to the first high voltage when receiving the driving data, obtain the first driving data and output it;
  • the second high-voltage gamma unit 212 is configured to adjust the voltage of the driving signal corresponding to the second color main sub-pixel in the driving data to the second high voltage when receiving the driving data, obtain the first driving data and output it;
  • the third high-voltage gamma unit 213 is configured to adjust the voltage of the driving signal corresponding to the third color main sub-pixel in the driving data to the third high voltage when receiving the driving data, obtain the first driving data and output it;
  • the input terminal of the first high-voltage gamma unit 211, the input terminal of the second high-voltage gamma unit 212, and the input terminal of the third high-voltage gamma unit 213 are connected in common to form the input terminal of the high-voltage gamma module 21 ( Data in), the output of the first high-voltage gamma unit 211, the output of the second high-voltage gamma unit 212, and the output of the third high-voltage gamma unit 213 are connected together to form the output of the high-voltage gamma module 21. (Data out).
  • the first high-voltage gamma unit, the second high-voltage gamma unit, and the third high-voltage gamma unit all include a display parameter lookup table, that is, all are achieved by displaying a parameter lookup table, and can also be implemented by having and displaying
  • the input data of the equivalent function of the lookup table is realized by searching other data tables or random storage memory-type storage media corresponding to the output data according to the input data.
  • the first color, the second color, and the third color are different and are one of red, green, and blue, respectively.
  • the first high voltage is higher than the voltage required for the display of the main sub-pixel of the first color when normal
  • the second high voltage is higher than the voltage required for the display of the main sub-pixel for the second color of normal
  • the third high voltage is higher than the main sub-pixel of the third color. The required voltage is displayed when normal.
  • the low-voltage gamma module 22 the input of the low-voltage gamma module 22 is connected to the input of the high-voltage gamma module 21, and is configured to, when receiving driving data, set the driving signal corresponding to the sub-pixel in the driving data.
  • the voltage is adjusted to a low voltage, and the second driving data is obtained and output.
  • the low voltage is lower than the voltage required for the normal display of the main sub-pixel.
  • the low-voltage gamma module can be implemented by a display look-up table, and can also be implemented by other data tables or random storage memory-type storage media that have input data equivalent to the display look-up table, that is, search corresponding output data according to the input data.
  • the high-voltage gamma module 22 includes:
  • the first low-voltage gamma unit 221 is configured to adjust the voltage of the driving signal corresponding to the first color main sub-pixel in the driving data to the first low voltage when receiving the driving data, obtain the first driving data and output it;
  • the second low-voltage gamma unit 222 is configured to, when receiving the driving data, adjust the voltage of the driving signal corresponding to the main sub-pixel of the second color in the driving data to a second low voltage to obtain the first driving data and output it;
  • the third low-voltage gamma unit 223 is configured to adjust a voltage of a driving signal corresponding to the third color main sub-pixel in the driving data to a third low voltage when receiving the driving data, obtain the first driving data and output it;
  • the input terminal of the first low voltage gamma unit 221, the input terminal of the second low voltage gamma unit 222, and the input terminal of the third low voltage gamma unit 223 are connected in common to form the input terminal of the low voltage gamma module 22 ( Data in), the output of the first low-voltage gamma unit 221, the output of the second low-voltage gamma unit 222, and the output of the third low-voltage gamma unit 223 are connected together to form the output of the low-voltage gamma module 22. (Data out).
  • the first low-voltage gamma unit, the second low-voltage gamma unit, and the third low-voltage gamma unit all include a display parameter lookup table, that is, all are implemented by displaying the parameter lookup table, and can also be implemented by having
  • the input data of the equivalent function of the lookup table is realized by searching other data tables or random storage memory-type storage media corresponding to the output data according to the input data.
  • the first color, the second color, and the third color are different and are one of red, green, and blue, respectively.
  • the first low voltage is lower than the voltage required for the display of the first color main sub-pixel when normal
  • the second low voltage is lower than the voltage required for the display of the second color main sub-pixel when normal
  • the third low voltage is lower than the third color main sub-pixel. The required voltage is displayed when normal.
  • a first selection module 23 a first input terminal of the first selection module 23 is connected to the output terminal of the high-voltage gamma module 21, and a second input terminal of the first selection module 23 is connected to the output terminal of the low-voltage gamma module 22,
  • the first driving data and the second driving data When receiving the first driving data and the second driving data, it is set to select a target driving signal corresponding to the target sub-pixel from the first driving data or the second driving data and output it according to the sub-pixel arrangement of the pixel array.
  • the first selection module since the driving signals in the driving data are set according to the arrangement of the sub-pixels of the pixel array, the first selection module only needs to pre-select the sub-pixels of the storage pixel array to know the current driving needs.
  • the color and primary and secondary attributes of the target sub-pixel and then select the corresponding driving signal from the first driving data and the second driving data according to the color and primary and secondary attributes of the target sub-pixel and output to the pixel array to drive the target sub-pixel.
  • the target driving signal is a driving signal whose voltage is the first high voltage in the first driving data output by the high-voltage gamma module.
  • the first selection module may be implemented by a processor having a data processing function.
  • the processor may be a general integrated circuit, such as a CPU (Central Processing Unit, central processing unit), or an ASIC. (Application Specific Integrated Circuit, application-specific integrated circuit), or a screen driving board (TCON, Timing Controller) of the display device.
  • CPU Central Processing Unit
  • ASIC Application Specific Integrated Circuit
  • TCON Timing Controller
  • all sub-pixels of the display panel are divided into primary and secondary sub-pixels, and the primary and secondary attributes of any two adjacent sub-pixels are different. Then, the viewing angle of the human eye when viewing the display panel is detected.
  • driving data the gain value of the driving data is adjusted according to the viewing angle, and the voltage of the driving signal corresponding to the main sub-pixel in the driving data is adjusted to a high voltage to obtain the first driving data.
  • the driving signal corresponding to the sub-pixel in the driving data is obtained.
  • the voltage is adjusted to a low voltage to obtain the second driving data.
  • a target driving signal corresponding to the target sub-pixel is selected from the first driving data or the second driving data and output to the display panel for driving.
  • the target sub-pixel can be displayed by mixing the main sub-pixel and the sub-pixel under different voltages to improve the chroma viewing angle and realize the function of large viewing angle.
  • the image control device 2 in the first embodiment further includes:
  • the viewing angle detection module 24 is configured to detect a viewing angle of a human eye when viewing the display panel.
  • the viewing angle detection module mainly obtains the viewing angle by detecting the angle between the line of sight direction of the human eye and the vertical direction of the display panel.
  • the perspective detection module can be implemented by gaze tracking, eye tracking and other technologies, for example, by a processor with a camera and a perspective detection function.
  • the processor can be through a general purpose integrated circuit, such as a CPU (Central Processing Unit), or through an ASIC (Application Specific Integrated Circuit, application-specific integrated circuit), or a screen driving board (TCON, Timing Controller) of the display device.
  • an included angle ⁇ which is an angle of view, of the direction of the line of sight of a human eye (dashed line) and the vertical direction (straight line) of the display panel 1 is exemplarily shown.
  • Gain module 25 The first input terminal of the gain module 25 is connected to the input terminal of the low-voltage gamma module 22 and the input terminal of the high-voltage gamma module 21.
  • the output end of the module 24 is connected, and is set to adjust the gain value of the driving data according to the viewing angle and output it when receiving the driving data.
  • the gain module is set to receive the driving data, and the driven data triggers to find and output the gain value corresponding to the angle currently detected by the angle detection module.
  • the corresponding relationship may be a positive correlation.
  • the positive correlation may be a linear positive correlation or a non-linear positive correlation.
  • the viewing angle and the gain value may be a linear positive correlation with a fixed ratio or a ratio. Is the positive correlation of the exponential function.
  • the value range of the viewing angle is [0 °, 90 °]
  • the value range of the gain value is [0, + ⁇ ).
  • the value of the gain value can be infinite, but it cannot be obtained in practice. gigantic.
  • FIG. 7 a schematic view of the viewing angle-gain curve when the viewing angle and the gain value can have a linear positive correlation with a fixed ratio is exemplarily shown.
  • the horizontal axis is the angle of view
  • the vertical axis is the gain value.
  • the range of the angle of view is [0 °, 90 °]
  • the range of the gain value is [0, 1].
  • the gain module can be implemented by a display lookup table, and also can be implemented by other data tables or random storage memory-type storage media that have input data equivalent to the display lookup table, that is, find corresponding output data according to the input data. .
  • the second selection module 26 the first input of the second selection module 26 is connected to the output of the first selection module 23, the second input of the second selection module 26 is connected to the first input of the gain module 25, and the second The gain input terminal of the selection module 26 is connected to the output terminal of the gain module 25, and is set to adjust the voltage of the target drive signal according to the gain value and output to the pixel array to drive the target sub-pixel when the gain value is greater than the gain threshold; it is also set to When the gain value is less than or equal to the gain threshold, the driving data is directly output to the pixel array.
  • the gain threshold can be set according to actual needs.
  • the large viewing angle function can be turned off and the driving data is directly output to the pixel array to save power consumption.
  • the gain threshold can be set to any value equal to or close to 0, for example, any value between 0 and 0.1. In one embodiment, the gain threshold is 0, 0.05, or 0.1.
  • the voltage of the target drive signal is adjusted according to the gain value and output to the display panel to drive the target sub-pixel; when the gain value is less than or equal to the gain threshold, the drive is directly output Data is sent to the display panel.
  • the large viewing angle function can be turned off.
  • the large viewing angle performance of the display panel can be dynamically adjusted according to the viewing angle of the human eye. Consuming.
  • the image control device 2 in the second embodiment further includes:
  • the gamma module 27, the input of the gamma module 27 is connected to the first input of the gain module 25, and the output of the gamma module 27 is connected to the input of the high-voltage gamma module 21 and the input of the low-voltage gamma module 22. It is connected to the second input terminal of the second selection module 26, and is set to adjust the gain of the driving signal corresponding to each color sub-pixel in the driving data when the driving data is received, and output it to adjust the color coordinate of the pixel array 1 to Expected color coordinates.
  • the image control device 2 in the second embodiment further includes:
  • the gamma module 27, the input of the gamma module 27 is connected to the output of the second selection module 26, and is set to adjust the gain of the target driving signal and output the target driving signal when receiving the target driving signal, so as to set the color coordinates of the pixel array 1 Adjust to the desired color coordinates.
  • the gamma module 27 can be set in two ways, one is set at the data input end of the image control device 2, and the other is the data set at the image control device 2.
  • the output regardless of the position, is set to adjust the white balance of the display panel.
  • the gamma module can be implemented by displaying a look-up table. It can also be used by other data tables or random storage memory-type storage media that have input data equivalent to the display look-up table, that is, find corresponding output data according to the input data. achieve.
  • the gamma module 27 includes:
  • the first gamma unit 271 is configured to adjust a gain of a driving signal corresponding to the first color sub-pixel and output the driving signal corresponding to the first color sub-pixel when the driving signal corresponding to the first color sub-pixel is connected.
  • the second gamma unit 272 is configured to adjust a gain of a driving signal corresponding to the second color sub-pixel and output the driving signal corresponding to the second color sub-pixel when the driving signal corresponding to the second color sub-pixel is connected;
  • the third gamma unit 273 is configured to adjust a gain of a driving signal corresponding to the third color sub-pixel and output the driving signal corresponding to the third color sub-pixel when the driving signal corresponding to the third color sub-pixel is accessed;
  • the input terminal of the first gamma unit 271, the input terminal of the second gamma unit 272, and the input terminal of the third gamma unit 273 are connected in common to form the input terminal of the gamma module (Data in), the output of the first gamma unit 271, the output of the second gamma unit 272, and the output of the third gamma unit 273 are connected in common to form the output of the gamma module (Data out).
  • the first gamma unit, the second gamma unit, and the third gamma unit all include a display parameter lookup table, that is, all are realized by a display parameter lookup table, and can also be provided by an input having the same function as the display lookup table
  • the data is realized by searching other data tables or random storage memory-type storage media corresponding to the output data according to the input data.
  • the first color, the second color, and the third color are different and are one of red, green, and blue, respectively.
  • This embodiment provides an image control method, which is implemented based on any one of Embodiments 1 to 3, and may also be implemented based on a software program in a processor of a display device.
  • the processor can be through a general purpose integrated circuit, such as a CPU (Central Processing Unit), or through an ASIC (Application Specific Integrated Circuit, application-specific integrated circuit), or a screen driving board (TCON, Timing Controller) of the display device.
  • a CPU Central Processing Unit
  • ASIC Application Specific Integrated Circuit
  • TCON Timing Controller
  • the image control method includes:
  • Step S111 When the driving data is received, adjust the voltage of the driving signal corresponding to the main sub-pixel in the driving data to a high voltage to obtain the first driving data;
  • Step S112 Adjust the voltage of the driving signal corresponding to the sub-pixel in the driving data to a low voltage to obtain the second driving data.
  • Step S113 Select a target driving signal corresponding to a target sub-pixel from the first driving data or the second driving data according to a sub-pixel arrangement of the pixel array.
  • Step S114 Output the target driving signal to a pixel array to drive the target sub-pixel.
  • the method before step S114, the method further includes:
  • Step S115 Detect the viewing angle of the human eye when viewing the display panel
  • Step S116 When driving data is received, adjust a gain value of the driving data according to the viewing angle;
  • Step S117 When the gain value is less than or equal to a gain threshold, directly output the driving data to a pixel array;
  • step S114 includes:
  • Step S1141 When the gain value is greater than a gain threshold, adjust the voltage of the target driving signal according to the gain value and output the voltage to the pixel array to drive the target sub-pixel.
  • all sub-pixels of the display panel are divided into primary and secondary sub-pixels, and the primary and secondary attributes of any two adjacent sub-pixels are different. Then, the viewing angle of the human eye when viewing the display panel is detected.
  • driving data the gain value of the driving data is adjusted according to the viewing angle, and the voltage of the driving signal corresponding to the main sub-pixel in the driving data is adjusted to a high voltage to obtain the first driving data.
  • the driving signal corresponding to the sub-pixel in the driving data is obtained.
  • the voltage is adjusted to a low voltage to obtain the second driving data.
  • a target driving signal corresponding to the target sub-pixel is selected from the first driving data or the second driving data and output to the display panel for driving.
  • the target sub-pixel can be displayed by mixing the primary and secondary sub-pixels under different voltages to improve the chromaticity viewing angle and achieve a large viewing angle function;
  • the voltage of the target driving signal is adjusted according to the gain value and output to the display panel to drive the target sub-pixel; when the gain value is less than or equal to the gain threshold, the driving data is directly output to the display
  • the panel can turn off the large viewing angle function when the human eye is facing the display panel, and can dynamically adjust the large viewing angle performance of the display panel according to the viewing angle of the human eye, control the on and off of the large viewing angle function, and reduce power consumption.
  • this embodiment provides a display panel 13 including: a pixel array 1, a processor 130, a memory 131, and a computer program stored in the memory 131 and executable on the processor 130. 132, such as an image control program.
  • the processor 130 executes the computer program 132, the steps in the embodiment of the image control method are implemented, for example, steps 101 to 104 shown in FIG.
  • the processor 130 executes the computer program 132, the functions of each module / unit in the foregoing device embodiments are implemented, for example, the functions of modules 21 to 23 shown in FIG. 2.
  • the computer program 132 may be divided into one or more modules / units, and the one or more modules / units are stored in the memory 131 and executed by the processor 130 to complete This application.
  • the one or more modules / units may be a series of computer program instruction segments capable of performing specific functions, and the instruction segments are set to describe the execution process of the computer program 132 in the display panel 13.
  • the computer program 132 may be divided into a high-voltage gamma module, a low-voltage gamma module, a first selection module, a perspective detection module, a gain module, a second selection module, and a gamma module.
  • the functions of each module are as follows:
  • the high-voltage gamma module is configured to adjust a voltage of a driving signal corresponding to a main sub-pixel in the driving data to a high voltage when receiving the driving data to obtain the first driving data and output the first driving data;
  • the low-voltage gamma module is configured to adjust a voltage of a driving signal corresponding to a sub-pixel in the driving data to a low voltage when the driving data is received, obtain second driving data, and output the driving data;
  • the first selection module is configured to, when receiving the first driving data and the second driving data, from the first driving data or the second driving data according to a sub-pixel arrangement of the pixel array. Select a target driving signal corresponding to the target sub-pixel and output it;
  • Angle detection module which is set to detect the angle of the human eye when viewing the display panel
  • a gain module configured to adjust a gain value of the driving data and output the driving data according to the viewing angle when the driving data is received;
  • the second selection module is configured to adjust the voltage of the target driving signal according to the gain value and output the voltage to the pixel array to drive the target sub-pixel when the gain value is greater than the gain threshold; When the gain value is less than or equal to the gain threshold, the driving data is directly output to the pixel array;
  • a gamma module configured to adjust a gain of a driving signal corresponding to each color sub-pixel in the driving data and output the driving data when the driving data is received, so as to adjust a color coordinate of the pixel array to a desired color coordinate; Alternatively, it is configured to adjust a gain of the target driving signal and output the target driving signal when the target driving signal is received, so as to adjust a color coordinate of the pixel array to a desired color coordinate.
  • the display panel 13 may include, but is not limited to, a pixel array 1, a processor 130, and a memory 131. Those skilled in the art can understand that FIG. 13 is only an example of the display panel 13 and does not constitute a limitation on the display panel 13.
  • the display panel 13 may include more or fewer components than shown in the figure, or some components may be combined or different components.
  • the display panel may further include an input / output device, a network access device, a bus, and the like.
  • the processor 130 may be a central processing unit (Central Processing Unit (CPU), or other general-purpose processors, digital signal processors (DSPs), and application-specific integrated circuits (Applications) Specific Integrated Circuit (ASIC), off-the-shelf programmable gate array (Field-Programmable Gate Array, FPGA) or other programmable logic devices, discrete gate or transistor logic devices, discrete hardware components, etc., or screen driver boards for display devices ( TCON, Timing Controller).
  • CPU Central Processing Unit
  • DSPs digital signal processors
  • ASIC Applications Specific Integrated Circuit
  • FPGA Field-Programmable Gate Array
  • FPGA field-Programmable Gate Array
  • TCON Timing Controller
  • the memory 131 may be an internal storage unit of the display panel 13, such as a hard disk or a memory of the display panel 13.
  • the memory 131 may also be an external storage device of the display panel 13, such as a plug-in hard disk, a smart media card (SMC), and a secure digital (SD) provided on the display panel 13. Card, flash card, etc.
  • the memory 131 may include both an internal storage unit of the display panel 13 and an external storage device.
  • the memory 131 is configured to store the computer program and other programs and data required by the display panel.
  • the memory 131 may also be configured to temporarily store data that has been output or is to be output.
  • the display panel 201 may be any type of display panel, for example, a liquid crystal display panel based on LCD (Liquid Crystal Display, liquid crystal display) technology, or an OLED (Organic Electroluminesence Display (organic electro-optical laser display) technology organic electro-optical laser display panel, QLED (Quantum Dot Light Emitting Diodes) technology-based quantum dot light-emitting diode display panel or curved display panel, etc.
  • LCD Liquid Crystal Display, liquid crystal display
  • OLED Organic Electroluminesence Display
  • QLED Quantum Dot Light Emitting Diodes
  • all modules or units in the embodiments of the present application may be implemented by a general integrated circuit, such as a CPU (Central Processing Unit, central processing unit), or by an ASIC. (Application Specific Integrated Circuit).
  • a CPU Central Processing Unit, central processing unit
  • ASIC Application Specific Integrated Circuit
  • the program can be stored in a computer-readable storage medium.
  • the program When executed, the processes of the embodiments of the methods described above may be included.
  • the storage medium may be a magnetic disk, an optical disc, or a read-only storage memory (Read-Only Memory (ROM) or Random Access Memory (Random Access Memory, RAM).

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Abstract

一种显示面板及其图像控制装置和方法,属于显示技术领域。其中,图像控制装置,包括:高电压伽马模块(21)、低电压伽马模块(22)和第一选择模块(23)。

Description

一种显示面板及其图像控制装置和方法 技术领域
本申请实施例属于显示技术领域,尤其涉及一种显示面板及其图像控制装置和方法。
背景技术
随着显示技术的不断发展,液晶面板、显示器等显示设备不断向着轻薄化、大屏化、低功耗、低成本的方向发展。画质是显示面板的重要显示指标,色度可视角为衡量广视角型(VA type)面板画质好坏的重要指标。
技术问题
目前的显示面板特别是广视角型显示面板在大视角下的画面对比度明显降低,导致画面偏白,显示效果较差。
技术解决方案
本申请实施例提供一种显示面板及其图像控制装置和方法,旨在解决目前的显示面板特别是广视角型显示面板在大视角下的画面对比度明显降低,导致画面偏白,显示效果较差的问题。
本申请实施例第一方面提供一种图像控制装置,其包括:
高电压伽马模块,设置为在接收到驱动数据时,将所述驱动数据中与主子像素对应的驱动信号的电压调整为高电压,得到第一驱动数据并输出;
低电压伽马模块,所述低电压伽马模块的输入端与所述高电压伽马模块的输入端连接,设置为在接收到所述驱动数据时,将所述驱动数据中与次子像素对应的驱动信号的电压调整为低电压,得到第二驱动数据并输出;
第一选择模块,所述第一选择模块的第一输入端与所述高电压伽马模块的输出端连接,所述第一选择模块的第二输入端与所述低电压伽马模块的输出端连接,设置为在接收到所述第一驱动数据和所述第二驱动数据时,根据所述像素阵列的子像素排列方式,从所述第一驱动数据或所述第二驱动数据中选择与目标子像素对应的目标驱动信号并输出。
本申请实施例第二方面提供一种图像控制方法,其包括:
在接收到驱动数据时,将所述驱动数据中与主子像素对应的驱动信号的电压调整为高电压,得到第一驱动数据;
将所述驱动数据中与次子像素对应的驱动信号的电压调整为低电压,得到第二驱动数据;
根据所述像素阵列的子像素排列方式,从所述第一驱动数据或所述第二驱动数据中选择与目标子像素对应的目标驱动信号,
将所述目标驱动信号输出至像素阵列,以驱动所述目标子像素。
本申请实施例第三方面提供一种显示面板,包括存储器、处理器以及存储在所述存储器中并可在所述处理器上运行的计算机程序,所述显示面板还包括像素阵列,所述像素阵列包括多个像素,所述像素的子像素被划分为主子像素和次子像素,所述像素阵列中任一个主子像素的相邻子像素为次子像素且任一个次子像素的相邻子像素为主子像素,所述处理器执行所述计算机程序时实现上述方法的步骤。
本申请实施例第四方面提供一种计算机可读存储介质,所述计算机可读存储介质存储有计算机程序,所述计算机程序被处理器执行时实现上述方法的步骤。
有益效果
本申请实施例通过将显示面板的所有子像素划分为主子像素和次子像素,并使任意相邻的两个子像素的主次属性不同;然后侦测人眼观看显示面板时的视角,在接收到驱动数据时,根据视角调整驱动数据的增益值,并将驱动数据中与主子像素对应的驱动信号的电压调整为高电压,得到第一驱动数据;将驱动数据中与次子像素对应的驱动信号的电压调整为低电压,得到第二驱动数据;根据显示面板的子像素排列方式,从第一驱动数据或第二驱动数据中选择与目标子像素对应的目标驱动信号输出至显示面板,以驱动目标子像素,可以通过主子像素和次子像素的在不同电压下的混合显示,提升色度可视角,实现大视角功能;
通过在增益值大于增益阈值时,根据增益值调整目标驱动信号的电压并输出至显示面板,以驱动目标子像素;在所述增益值小于或等于增益阈值时,直接输出所述驱动数据至显示面板,可以在人眼正对显示面板时,关闭大视角功能,可以根据人眼的视角大小动态的调整显示面板的大视角性能,控制大视角功能的开启和关闭,还可以降低功耗。
附图说明
为了更清楚地说明本申请实施例中的技术方案,下面将对实施例描述中所需要使用的附图作简单地介绍,显而易见地,下面描述中的附图是本申请的一些实施例,对于本领域普通技术人员来讲,在不付出创造性劳动的前提下,还可以根据这些附图获得其他的附图。
图1是本申请的实施例一提供的显示面板的结构示意图;
图2是本申请的实施例一提供的图像控制装置的结构示意图;
图3是本申请的实施例一提供的高电压伽马模块的结构示意图;
图4是本申请的实施例一提供的低电压伽马模块的结构示意图;
图5是本申请的实施例二提供的图像控制装置的结构示意图;
图6是本申请的实施例二提供的视角的示意图;
图7是本申请的实施例二提供的视角-增益曲线的示意图;
图8和9是本申请的实施例三提供的图像控制装置的结构示意图;
图10是本申请的实施例三提供的伽马模块的结构示意图;
图11和12本申请的实施例四提供的图像控制方法的流程示意图;
图13是本申请的实施例五提供的显示面板的结构示意图。
本发明的实施方式
为了使本技术领域的人员更好地理解本申请方案,下面将结合本申请实施例中的附图,对本申请实施例中的技术方案进行清楚地描述,显然,所描述的实施例是本申请一部分的实施例,而不是全部的实施例。基于本申请中的实施例,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,都应当属于本申请保护的范围。
本申请的说明书和权利要求书及上述附图中的术语“包括”以及它们任何变形,意图在于覆盖不排他的包含。例如包含一系列步骤或单元的过程、方法或系统、产品或设备没有限定于已列出的步骤或单元,而是可选地还包括没有列出的步骤或单元,或可选地还包括对于这些过程、方法、产品或设备固有的其它步骤或单元。此外,术语“第一”、“第二”和“第三”等是用于区别不同对象,而非用于描述特定顺序。
实施例一
如图1所示,本实施例提供一种像素阵列1,其包括多个像素,像素的子像素被划分为主子像素和次子像素,像素阵列中任一个主子像素的相邻子像素为次子像素且任一个次子像素的相邻子像素为主子像素。
在应用中,每个像素至少包括红、绿、蓝三种颜色的三个子像素,也可以包括第四个子像素,第四个子像素的颜色可以为白色或黄色,可以根据实际需要将每个像素中的任意子像素设置为主子像素或次子像素。
图1示例性的示出了一个由4×6个子像素构成的像素阵列,其中,第1至第6列子像素的颜色分别为红、绿、蓝、红、绿、蓝。在应用中,也可以根据实际需要设置为其他的排列方式。只要保证相邻子像素的主次属性不同,即可。
在应用中,显示面板包括由多行和多列子像素组成的像素阵列,行子像素与源极驱动模块连接,列子像素与栅极驱动模块连接,像素阵列的行数和列数可以根据需要进行设定,本实施例中,不对像素阵列的大小作特别限定。源极驱动模块用于输出驱动数据(Data)对显示面板的像素进行数据驱动,源极驱动模块可以是任意的具有对显示面板的像素进行数据驱动功能的任意器件或电路,例如,源极驱动芯片(Source Driver IC)或薄膜源极驱动芯片(S-COF,Source-Chip on Film)等。
如图2所示,本实施例还提供一种图像控制装置,所述显示面板包括符合上述排列规则和主次属性划分的像素阵列,所述图像控制装置2包括:
高电压伽马模块21,设置为在接收到驱动数据(Data)时,将驱动数据中与主子像素对应的驱动信号的电压调整为高电压,得到第一驱动数据并输出。
在应用中,高电压是高于主子像素正常时显示需要的电压。高电压伽马模块可以通过显示查找表(LUT,look-up-table)来实现,还可以通过具有与显示查找表同等功能的输入数据即根据输入数据查找对应的输出数据的其他数据表或随机存储记忆体(Random Access Memory,RAM)类存储介质来实现。
如图3所示,在本实施例中,高电压伽马模块21包括:
第一高电压伽马单元211,设置为在接收到驱动数据时,将驱动数据中与第一颜色主子像素对应的驱动信号的电压调整为第一高电压,得到第一驱动数据并输出;
第二高电压伽马单元212,设置为在接收到驱动数据时,将驱动数据中与第二颜色主子像素对应的驱动信号的电压调整为第二高电压,得到第一驱动数据并输出;
第三高电压伽马单元213,设置为在接收到驱动数据时,将驱动数据中与第三颜色主子像素对应的驱动信号的电压调整为第三高电压,得到第一驱动数据并输出;
其中,第一高电压伽马单元211的输入端、第二高电压伽马单元212的输入端和第三高电压伽马单元213的输入端共接构成高电压伽马模块21的输入端(Data in),第一高电压伽马单元211的输出端、第二高电压伽马单元212的输出端和第三高电压伽马单元213的输出端共接构成高电压伽马模块21的输出端(Data out)。
在应用中,第一高电压伽马单元、第二高电压伽马单元和第三高电压伽马单元均包括显示参数查找表,即都通过显示参数查找表来实现,还可以通过具有与显示查找表同等功能的输入数据即根据输入数据查找对应的输出数据的其他数据表或随机存储记忆体类存储介质来实现。
在应用中,第一颜色、第二颜色和第三颜色各不相同且分别为红、绿、蓝中的一种。第一高电压是高于第一颜色主子像素正常时显示需要的电压、第二高电压是高于第二颜色主子像素正常时显示需要的电压、第三高电压是高于第三颜色主子像素正常时显示需要的电压。
低电压伽马模块22,低电压伽马模块22的输入端与高电压伽马模块21的输入端连接,设置为在接收到驱动数据时,将驱动数据中与次子像素对应的驱动信号的电压调整为低电压,得到第二驱动数据并输出。
在应用中,低电压是低于主子像素正常时显示需要的电压。低电压伽马模块可以通过显示查找表来实现,还可以通过具有与显示查找表同等功能的输入数据即根据输入数据查找对应的输出数据的其他数据表或随机存储记忆体类存储介质来实现。
如图4所示,在本实施例中,高电压伽马模块22包括:
第一低电压伽马单元221,设置为在接收到驱动数据时,将驱动数据中与第一颜色主子像素对应的驱动信号的电压调整为第一低电压,得到第一驱动数据并输出;
第二低电压伽马单元222,设置为在接收到驱动数据时,将驱动数据中与第二颜色主子像素对应的驱动信号的电压调整为第二低电压,得到第一驱动数据并输出;
第三低电压伽马单元223,设置为在接收到驱动数据时,将驱动数据中与第三颜色主子像素对应的驱动信号的电压调整为第三低电压,得到第一驱动数据并输出;
其中,第一低电压伽马单元221的输入端、第二低电压伽马单元222的输入端和第三低电压伽马单元223的输入端共接构成低电压伽马模块22的输入端(Data in),第一低电压伽马单元221的输出端、第二低电压伽马单元222的输出端和第三低电压伽马单元223的输出端共接构成低电压伽马模块22的输出端(Data out)。
在应用中,第一低电压伽马单元、第二低电压伽马单元和第三低电压伽马单元均包括显示参数查找表,即都通过显示参数查找表来实现,还可以通过具有与显示查找表同等功能的输入数据即根据输入数据查找对应的输出数据的其他数据表或随机存储记忆体类存储介质来实现。
在应用中,第一颜色、第二颜色和第三颜色各不相同且分别为红、绿、蓝中的一种。第一低电压是低于第一颜色主子像素正常时显示需要的电压、第二低电压是低于第二颜色主子像素正常时显示需要的电压、第三低电压是低于第三颜色主子像素正常时显示需要的电压。
第一选择模块23,第一选择模块23的第一输入端与高电压伽马模块21的输出端连接,第一选择模块23的第二输入端与低电压伽马模块22的输出端连接,设置为在接收到第一驱动数据和第二驱动数据时,根据像素阵列的子像素排列方式,从第一驱动数据或第二驱动数据中选择与目标子像素对应的目标驱动信号并输出。
在应用中,由于驱动数据中的驱动信号是根据像素阵列的子像素的排列方式设置的,因此,第一选择模块只需预选存储像素阵列的子像素排列方式,即可获知当前需要被驱动的目标子像素的颜色和主次属性,然后根据目标子像素的颜色和主次属性从第一驱动数据和第二驱动数据中选择对应的驱动信号并输出至像素阵列,以驱动目标子像素即可。例如,目标子像素为第一颜色主子像素,则目标驱动信号为高电压伽马模块输出的第一驱动数据中电压为第一高电压的驱动信号。
在应用中,第一选择模块可以通过具备数据处理功能的处理器来实现,处理器可以通过通用集成电路,例如CPU(Central Processing Unit,中央处理器),或通过ASIC (Application Specific Integrated Circuit,专用集成电路)来实现,也可以是显示装置的屏驱动板(TCON,Timing Controller)。
本实施例通过将显示面板的所有子像素划分为主子像素和次子像素,并使任意相邻的两个子像素的主次属性不同;然后侦测人眼观看显示面板时的视角,在接收到驱动数据时,根据视角调整驱动数据的增益值,并将驱动数据中与主子像素对应的驱动信号的电压调整为高电压,得到第一驱动数据;将驱动数据中与次子像素对应的驱动信号的电压调整为低电压,得到第二驱动数据;根据显示面板的子像素排列方式,从第一驱动数据或第二驱动数据中选择与目标子像素对应的目标驱动信号输出至显示面板,以驱动目标子像素,可以通过主子像素和次子像素的在不同电压下的混合显示,提升色度可视角,实现大视角功能。
实施例二
如图5所示,在本实施例中,实施例一中的图像控制装置2还包括:
视角侦测模块24,设置为侦测人眼观看显示面板时的视角。
在应用中,视角侦测模块主要通过侦测人眼的视线方向与显示面板的垂直方向的夹角来获得视角。视角侦测模块可以通过视线追踪、眼球追踪等技术来实现,例如,通过带有摄像头和视角侦测功能的处理器来实现。处理器可以通过通用集成电路,例如CPU(Central Processing Unit,中央处理器),或通过ASIC (Application Specific Integrated Circuit,专用集成电路)来实现,也可以是显示装置的屏驱动板(TCON,Timing Controller)。
如图6所示,示例性的示出了人眼视线方向(虚线)与显示面板1的垂直方向(直线)的夹角θ,即视角。
增益(gain)模块25,增益模块25的第一输入端与低电压伽马模块22的输入端和高电压伽马模块21的输入端共接,增益模块25的第二输入端与视角侦测模块24的输出端连接,设置为在接收到驱动数据时,根据视角调整驱动数据的增益值并输出。
在应用中,增益模块设置为在接收到驱动数据时,受驱动数据触发查找与视角侦测模块当前侦测到的视角对应的增益值并输出。视角与增益值具有对应关系,该对应关系可以是正相关关系,正相关关系可以是线性正相关或非线性正相关,例如,视角与增益值可以呈比值固定的线性正相关关系,也可以呈比值为指数函数的正相关关系。
在应用中,视角的取值范围为[0°,90°],增益值的取值范围为[0,+∞),理论上增益值的取值是可以为无穷大,但实际上不能取到无穷大。
如图7所示,示例性的示出了视角与增益值可以呈比值固定的线性正相关关系时的视角-增益曲线的示意图。其中,横轴坐标为视角、纵轴坐标为增益值,视角的取值范围为[0°,90°],增益值的取值范围为[0,1]。
在应用中,增益模块可以通过显示查找表来实现,还可以通过具有与显示查找表同等功能的输入数据即根据输入数据查找对应的输出数据的其他数据表或随机存储记忆体类存储介质来实现。
第二选择模块26,第二选择模块26的第一输入端与第一选择模块23的输出端连接、第二选择模块26的第二输入端和增益模块25的第一输入端连接、第二选择模块26的增益输入端与增益模块25的输出端连接,设置为在增益值大于增益阈值时,根据增益值调整目标驱动信号的电压并输出至像素阵列,以驱动目标子像素;还设置为在增益值小于或等于增益阈值时,直接输出驱动数据至像素阵列。
在应用中,增益阈值可以根据实际需要进行设置,当视角较小,即人眼视线接近于正视显示面板时,可以关闭大视角功能,直接输出驱动数据至像素阵列,以节省功耗。增益阈值可以设置为等于或接近于0的任意值,例如,0~0.1之间的任意值。在一个实施例中,增益阈值为0、0.05或0.1。
本实施例通过在增益值大于增益阈值时,根据增益值调整目标驱动信号的电压并输出至显示面板,以驱动目标子像素;在所述增益值小于或等于增益阈值时,直接输出所述驱动数据至显示面板,可以在人眼正对显示面板时,关闭大视角功能,可以根据人眼的视角大小动态的调整显示面板的大视角性能,控制大视角功能的开启和关闭,还可以降低功耗。
实施例三
如图8所示,在本实施例中,实施例二中的图像控制装置2还包括:
伽马模块27,伽马模块27的输入端与增益模块25的第一输入端连接,伽马模块27的输出端与高电压伽马模块21的输入端、低电压伽马模块22的输入端和第二选择模块26的第二输入端连接,设置为在接收到驱动数据时,调整驱动数据中与各颜色子像素对应的驱动信号的增益并输出,以将像素阵列1的色坐标调整为期望色坐标。
或者,如图9所示,在本实施例中,实施例二中的图像控制装置2还包括:
伽马模块27,伽马模块27的输入端与第二选择模块26的输出端连接,设置为在接收到目标驱动信号时,调整目标驱动信号的增益并输出,以将像素阵列1的色坐标调整为期望色坐标。
如图8或9所示,在本实施例中,伽马模块27可以有两种设置方式,一种是设置在图像控制装置2的数据输入端、一种是设置在图像控制装置2的数据输出端,无论设置在哪个位置,都是设置为调节显示面板的白平衡。
在应用中,伽马模块可以通过显示查找表来实现,还可以通过具有与显示查找表同等功能的输入数据即根据输入数据查找对应的输出数据的其他数据表或随机存储记忆体类存储介质来实现。
如图10所示,在本实施例中,伽马模块27包括:
第一伽马单元271,设置为在接入与第一颜色子像素对应的驱动信号时,调整与第一颜色子像素对应的驱动信号的增益并输出;
第二伽马单元272,设置为在接入与第二颜色子像素对应的驱动信号时,调整与第二颜色子像素对应的驱动信号的增益并输出;
第三伽马单元273,设置为在接入与第三颜色子像素对应的驱动信号时,调整与第三颜色子像素对应的驱动信号的增益并输出;
其中,第一伽马单元271的输入端、第二伽马单元272的输入端和第三伽马单元273的输入端共接构成伽马模块的输入端(Data in),第一伽马单元271的输出端、第二伽马单元272的输出端和第三伽马单元273的输出端共接构成伽马模块的输出端(Data out)。
在应用中,第一伽马单元、第二伽马单元和第三伽马单元均包括显示参数查找表,即都通过显示参数查找表来实现,还可以通过具有与显示查找表同等功能的输入数据即根据输入数据查找对应的输出数据的其他数据表或随机存储记忆体类存储介质来实现。第一颜色、第二颜色和第三颜色各不相同且分别为红、绿、蓝中的一种。
实施例四
本实施例提供一种图像控制方法,其基于实施例一至三任一项实现,也可以基于显示装置的处理器中的软件程序实现。处理器可以通过通用集成电路,例如CPU(Central Processing Unit,中央处理器),或通过ASIC (Application Specific Integrated Circuit,专用集成电路)来实现,也可以是显示装置的屏驱动板(TCON,Timing Controller)。
如图11所示,所述图像控制方法包括:
步骤S111、在接收到驱动数据时,将所述驱动数据中与主子像素对应的驱动信号的电压调整为高电压,得到第一驱动数据;
步骤S112、将所述驱动数据中与次子像素对应的驱动信号的电压调整为低电压,得到第二驱动数据;
步骤S113、根据所述像素阵列的子像素排列方式,从所述第一驱动数据或所述第二驱动数据中选择与目标子像素对应的目标驱动信号,
步骤S114、将所述目标驱动信号输出至像素阵列,以驱动所述目标子像素。
如图12所示,在本实施例中,步骤S114之前还包括:
步骤S115、侦测人眼观看显示面板时的视角;
步骤S116、在接收到驱动数据时,根据所述视角调整所述驱动数据的增益值;
步骤S117、在所述增益值小于或等于增益阈值时,直接输出所述驱动数据至像素阵列;
对应的,步骤S114包括:
步骤S1141、在所述增益值大于增益阈值时,根据所述增益值调整所述目标驱动信号的电压并输出至像素阵列,以驱动所述目标子像素。
本实施例通过将显示面板的所有子像素划分为主子像素和次子像素,并使任意相邻的两个子像素的主次属性不同;然后侦测人眼观看显示面板时的视角,在接收到驱动数据时,根据视角调整驱动数据的增益值,并将驱动数据中与主子像素对应的驱动信号的电压调整为高电压,得到第一驱动数据;将驱动数据中与次子像素对应的驱动信号的电压调整为低电压,得到第二驱动数据;根据显示面板的子像素排列方式,从第一驱动数据或第二驱动数据中选择与目标子像素对应的目标驱动信号输出至显示面板,以驱动目标子像素,可以通过主子像素和次子像素的在不同电压下的混合显示,提升色度可视角,实现大视角功能;
通过在增益值大于增益阈值时,根据增益值调整目标驱动信号的电压并输出至显示面板,以驱动目标子像素;在所述增益值小于或等于增益阈值时,直接输出所述驱动数据至显示面板,可以在人眼正对显示面板时,关闭大视角功能,可以根据人眼的视角大小动态的调整显示面板的大视角性能,控制大视角功能的开启和关闭,还可以降低功耗。
实施例五
如图13所示,本实施例提供一种显示面板13,其包括:像素阵列1、处理器130、存储器131以及存储在所述存储器131中并可在所述处理器130上运行的计算机程序132,例如图像控制程序。所述处理器130执行所述计算机程序132时实现上述图像控制方法实施例中的步骤,例如图1所示的步骤101至104。或者,所述处理器130执行所述计算机程序132时实现上述各装置实施例中各模块/单元的功能,例如图2所示模块21至23的功能。
示例性的,所述计算机程序132可以被分割成一个或多个模块/单元,所述一个或者多个模块/单元被存储在所述存储器131中,并由所述处理器130执行,以完成本申请。所述一个或多个模块/单元可以是能够完成特定功能的一系列计算机程序指令段,该指令段设置为描述所述计算机程序132在所述显示面板13中的执行过程。例如,所述计算机程序132可以被分割成高电压伽马模块、低电压伽马模块、第一选择模块、视角侦测模块、增益模块、第二选择模块和伽马模块,各模块功能如下:
高电压伽马模块,设置为在接收到驱动数据时,将所述驱动数据中与主子像素对应的驱动信号的电压调整为高电压,得到第一驱动数据并输出;
低电压伽马模块,设置为在接收到所述驱动数据时,将所述驱动数据中与次子像素对应的驱动信号的电压调整为低电压,得到第二驱动数据并输出;
第一选择模块,设置为在接收到所述第一驱动数据和所述第二驱动数据时,根据所述像素阵列的子像素排列方式,从所述第一驱动数据或所述第二驱动数据中选择与目标子像素对应的目标驱动信号并输出;
视角侦测模块,设置为侦测人眼观看显示面板时的视角;
增益模块,设置为在接收到驱动数据时,根据所述视角调整所述驱动数据的增益值并输出;
第二选择模块,设置为在所述增益值大于增益阈值时,根据所述增益值调整所述目标驱动信号的电压并输出至像素阵列,以驱动所述目标子像素;还设置为在所述增益值小于或等于增益阈值时,直接输出所述驱动数据至像素阵列;
伽马模块,设置为在接收到所述驱动数据时,调整所述驱动数据中与各颜色子像素对应的驱动信号的增益并输出,以将所述像素阵列的色坐标调整为期望色坐标;或者,设置为在接收到所述所述目标驱动信号时,调整所述所述目标驱动信号的增益并输出,以将所述像素阵列的色坐标调整为期望色坐标。
所述显示面板13可包括,但不仅限于,像素阵列1、处理器130、存储器131。本领域技术人员可以理解,图13仅仅是显示面板13的示例,并不构成对显示面板13的限定,可以包括比图示更多或更少的部件,或者组合某些部件,或者不同的部件,例如所述显示面板还可以包括输入输出设备、网络接入设备、总线等。
所称处理器130可以是中央处理单元(Central Processing Unit,CPU),还可以是其他通用处理器、数字信号处理器 (Digital Signal Processor,DSP)、专用集成电路 (Application Specific Integrated Circuit,ASIC)、现成可编程门阵列 (Field-Programmable Gate Array,FPGA) 或者其他可编程逻辑器件、分立门或者晶体管逻辑器件、分立硬件组件等,也可以是显示装置的屏驱动板(TCON,Timing Controller)。
所述存储器131可以是所述显示面板13的内部存储单元,例如显示面板13的硬盘或内存。所述存储器131也可以是所述显示面板13的外部存储设备,例如所述显示面板13上配备的插接式硬盘,智能存储卡(Smart Media Card,SMC),安全数字(Secure Digital,SD)卡,闪存卡(Flash Card)等。进一步地,所述存储器131还可以既包括所述显示面板13的内部存储单元也包括外部存储设备。所述存储器131设置为存储所述计算机程序以及所述显示面板所需的其他程序和数据。所述存储器131还可以设置为暂时地存储已经输出或者将要输出的数据。
在一个实施例中,显示面板201可以为任意类型的显示面板,例如基于LCD( Liquid Crystal Display,液晶显示装置)技术的液晶显示面板、基于OLED(Organic Electroluminesence Display,有机电激光显示)技术的有机电激光显示面板、基于QLED(Quantum Dot Light Emitting Diodes,量子点发光二极管)技术的量子点发光二极管显示面板或曲面显示面板等。
在一个实施例中,本申请实施例中的所有模块或单元,均可以通过通用集成电路,例如CPU(Central Processing Unit,中央处理器),或通过ASIC (Application Specific Integrated Circuit,专用集成电路)来实现。
本领域普通技术人员可以理解实现上述实施例方法中的全部或部分流程,是可以通过计算机程序来指令相关的硬件来完成,所述的程序可存储于一计算机可读取存储介质中,该程序在执行时,可包括如上述各方法的实施例的流程。其中,所述的存储介质可为磁碟、光盘、只读存储记忆体(Read-Only Memory,ROM)或随机存储记忆体(Random Access Memory,RAM)等。
以上所述仅为本申请的较佳实施例而已,并不用以限制本申请,凡在本申请的精神和原则之内所作的任何修改、等同替换和改进等,均应包含在本申请的保护范围之内。

Claims (20)

  1. 一种图像控制装置,包括:
    高电压伽马模块,设置为在接收到驱动数据时,将所述驱动数据中与主子像素对应的驱动信号的电压调整为高电压,得到第一驱动数据并输出;
    低电压伽马模块,所述低电压伽马模块的输入端与所述高电压伽马模块的输入端连接,设置为在接收到所述驱动数据时,将所述驱动数据中与次子像素对应的驱动信号的电压调整为低电压,得到第二驱动数据并输出;
    第一选择模块,所述第一选择模块的第一输入端与所述高电压伽马模块的输出端连接,所述第一选择模块的第二输入端与所述低电压伽马模块的输出端连接,设置为在接收到所述第一驱动数据和所述第二驱动数据时,根据所述像素阵列的子像素排列方式,从所述第一驱动数据或所述第二驱动数据中选择与目标子像素对应的目标驱动信号并输出。
  2. 如权利要求1所述的图像控制装置,还包括:
    视角侦测模块,设置为侦测人眼观看显示面板时的视角;
    增益模块,所述增益模块的第一输入端与所述低电压伽马模块的输入端和所述高电压伽马模块的输入端共接,所述增益模块的第二输入端与所述视角侦测模块的输出端连接,设置为在接收到驱动数据时,根据所述视角调整所述驱动数据的增益值并输出;
    第二选择模块,所述第二选择模块的第一输入端与所述第一选择模块的输出端连接、所述第二选择模块的第二输入端和所述增益模块的第一输入端连接、所述第二选择模块的增益输入端与所述增益模块的输出端连接,设置为在所述增益值大于增益阈值时,根据所述增益值调整所述目标驱动信号的电压并输出至像素阵列,以驱动所述目标子像素;还设置为在所述增益值小于或等于增益阈值时,直接输出所述驱动数据至像素阵列。
  3. 如权利要求2所述的图像控制装置,还包括:
    伽马模块,所述伽马模块的输入端与所述增益模块的第一输入端连接,所述伽马模块的输出端与所述高电压伽马模块的输入端、所述低电压伽马模块的输入端和所述第二选择模块的第二输入端连接,设置为在接收到所述驱动数据时,调整所述驱动数据中与各颜色子像素对应的驱动信号的增益并输出。
  4. 如权利要求2所述的图像控制装置,还包括:
    伽马模块,所述伽马模块的输入端与所述第二选择模块的输出端连接,设置为在接收到所述所述目标驱动信号时,调整所述所述目标驱动信号的增益并输出,以将所述像素阵列的色坐标调整为期望色坐标。
  5. 如权利要求3所述的图像控制装置,其中,所述伽马模块包括:
    第一伽马单元,设置为在接入与第一颜色子像素对应的驱动信号时,调整与所述第一颜色子像素对应的驱动信号的增益并输出;
    第二伽马单元,设置为在接入与第二颜色子像素对应的驱动信号时,调整与所述第二颜色子像素对应的驱动信号的增益并输出;
    第三伽马单元,设置为在接入与第三颜色子像素对应的驱动信号时,调整与所述第三颜色子像素对应的驱动信号的增益并输出;
    其中,所述第一伽马单元的输入端、所述第二伽马单元的输入端和所述第三伽马单元的输入端共接构成所述伽马模块的输入端,所述第一伽马单元的输出端、所述第二伽马单元的输出端和所述第三伽马单元的输出端共接构成所述伽马模块的输出端。
  6. 如权利要求5所述的图像控制装置,其中,所述第一伽马单元、所述第二伽马单元和所述第三伽马单元包括显示参数查找表。
  7. 如权利要求2所述的图像控制装置,其中,所述视角的取值范围为[0°,90°]。
  8. 如权利要求2所述的图像控制装置,其中,所述增益值的取值范围为[0,+∞)。
  9. 如权利要求2所述的图像控制装置,其中,所述增益阈值的取值范围为0~0.1。
  10. 如权利要求1所述的图像控制装置,其中,所述高电压伽马模块包括:
    第一高电压伽马单元,设置为在接收到所述驱动数据时,将所述驱动数据中与第一颜色主子像素对应的驱动信号的电压调整为第一高电压,得到第一驱动数据并输出;
    第二高电压伽马单元,设置为在接收到所述驱动数据时,将所述驱动数据中与第二颜色主子像素对应的驱动信号的电压调整为第二高电压,得到第一驱动数据并输出;
    第三高电压伽马单元,设置为在接收到所述驱动数据时,将所述驱动数据中与第三颜色主子像素对应的驱动信号的电压调整为第三高电压,得到第一驱动数据并输出;
    所述低电压伽马模块包括:
    第一低电压伽马单元,设置为在接收到所述驱动数据时,将所述驱动数据中与第一颜色主子像素对应的驱动信号的电压调整为第一低电压,得到第二驱动数据并输出;
    第二低电压伽马单元,设置为在接收到所述驱动数据时,将所述驱动数据中与第二颜色主子像素对应的驱动信号的电压调整为第二低电压,得到第二驱动数据并输出;
    第三低电压伽马单元,设置为在接收到所述驱动数据时,将所述驱动数据中与第三颜色主子像素对应的驱动信号的电压调整为第三低电压,得到第二驱动数据并输出;
    其中,所述第一高电压伽马单元的输入端、所述第二高电压伽马单元的输入端和所述第三高电压伽马单元的输入端共接构成所述高电压伽马模块的输入端,所述第一高电压伽马单元的输出端、所述第二高电压伽马单元的输出端和所述第三高电压伽马单元的输出端共接构成所述高电压伽马模块的输出端;所述第一低电压伽马单元的输入端、所述第二低电压伽马单元的输入端和所述第三低电压伽马单元的输入端共接构成所述低电压伽马模块的输入端,所述第一低电压伽马单元的输出端、所述第二低电压伽马单元的输出端和所述第三低电压伽马单元的输出端共接构成所述低电压伽马模块的输出端。
  11. 如权利要求10所述的图像控制装置,其中,所述第一高电压伽马单元、所述第二高电压伽马单元和所述第三高电压伽马单元包括显示参数查找表;
    所述第一低电压伽马单元、所述第二低电压伽马单元和所述第三低电压伽马单元包括显示参数查找表。
  12. 如权利要求10所述的图像控制装置,其中,所述第一高电压是高于所述第一颜色主子像素正常时显示需要的电压、所述第二高电压是高于所述第二颜色主子像素正常时显示需要的电压、所述第三高电压是高于所述第三颜色主子像素正常时显示需要的电压;
    所述第一低电压是低于所述第一颜色主子像素正常时显示需要的电压、所述第二低电压是低于所述第二颜色主子像素正常时显示需要的电压、所述第三低电压是低于所述第三颜色主子像素正常时显示需要的电压。
  13. 如权利要求1所述的图像控制装置,其中,所述高电压伽马模块包括显示参数查找表;
    所述低电压伽马模块包括显示参数查找表。
  14. 如权利要求1所述的图像控制装置,所述图像控制装置应用于像素阵列,所述像素阵列包括多个像素,所述像素的子像素被划分为主子像素和次子像素,所述像素阵列中任一个主子像素的相邻子像素为次子像素且任一个次子像素的相邻子像素为主子像素。
  15. 如权利要求14所述的图像控制装置,其中,每个所述像素至少包括红、绿、蓝三种颜色的三个子像素。
  16. 如权利要求15所述的图像控制装置,其中,每个所述像素还包括第四个子像素。
  17. 如权利要求16所述的图像控制装置,其中,所述第四个子像素的颜色为白色或黄色。
  18. 一种图像控制方法,包括:
    在接收到驱动数据时,将所述驱动数据中与主子像素对应的驱动信号的电压调整为高电压,得到第一驱动数据;
    将所述驱动数据中与次子像素对应的驱动信号的电压调整为低电压,得到第二驱动数据;
    根据所述像素阵列的子像素排列方式,从所述第一驱动数据或所述第二驱动数据中选择与目标子像素对应的目标驱动信号,
    将所述目标驱动信号输出至像素阵列,以驱动所述目标子像素。
  19. 如权利要求18所述的图像控制方法,其中,将所述目标驱动信号输出至像素阵列,以驱动所述目标子像素之前,包括:
    侦测人眼观看显示面板时的视角;
    在接收到驱动数据时,根据所述视角调整所述驱动数据的增益值;
    在所述增益值小于或等于增益阈值时,直接输出所述驱动数据至像素阵列;
    对应的,将所述目标驱动信号输出至像素阵列,以驱动所述目标子像素,包括:
    在所述增益值大于增益阈值时,根据所述增益值调整所述目标驱动信号的电压并输出至像素阵列,以驱动所述目标子像素。
  20. 一种显示面板,包括存储器、处理器以及存储在所述存储器中并可在所述处理器上运行的计算机程序,其中,所述显示面板还包括像素阵列,所述像素阵列包括多个像素,所述像素的子像素被划分为主子像素和次子像素,所述像素阵列中任一个主子像素的相邻子像素为次子像素且任一个次子像素的相邻子像素为主子像素,所述处理器执行所述计算机程序时实现如权利要求18所述方法的步骤。
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