TWI670700B - Display method for display panel and display device - Google Patents

Abstract

A display method for a display panel, comprising the steps of: receiving image data to generate initial grayscale values and representative polarities corresponding to each color sub-pixel; and using a spatial compensation lookup table to correspond to each color sub-pixel The initial grayscale value and the representative polarity to generate a spatial grayscale correction value corresponding to each color sub-pixel; using a time-compensated lookup table to generate each of the initial grayscale values and representative polarities corresponding to each color subpixel a time gray scale correction value corresponding to the color sub-pixels; and driving the corresponding plurality of color sub-pixels respectively with a plurality of voltages relative to the plurality of corrected gray scale values, wherein each color sub-pixel corresponds to the corrected The grayscale value is the sum of the initial grayscale value, the spatial grayscale correction value, and the timescale grayscale correction value.

Description

Display method and display device for display panel Set

The present disclosure relates to a display method for a display panel, and more particularly to a display method and display device for a display panel that can improve display quality.

Due to the characteristics of the liquid crystal display panel, when the user views the liquid crystal display panel from the side, the color or brightness displayed is usually different from that when the liquid crystal display panel is being viewed, which means that there is a color shift. The problem arises. The known improvement method is to adopt a low color shift technique, for example, dividing the representative polarities of two adjacent pixels into one positive and one negative, and correspondingly generating a high-low pixel voltage to make the pixel The bright area and the dark area are displayed between the pixels, thereby improving the color shift phenomenon.

However, for a liquid crystal display panel using a low color shifting technique, when the liquid crystal display panel is driven by dot inversion, the representative polarities of adjacent pixels will follow at different frame periods. Transform so that the common voltage of the pixels may be created by parasitic capacitance effects The offset of the common voltage causes the user to visually have flicker defects.

The purpose of the disclosure is to provide a display method for a display panel, which utilizes a spatial compensation lookup table and/or a time compensation lookup table to compensate for the offset of the common voltage, thereby improving the defect of the screen flicker of the display panel.

According to the above object of the present disclosure, a display method for a display panel is provided. The display panel includes a plurality of pixels, each pixel includes at least one color sub-pixel, and the display method is performed in the frame period to: receive image data. To generate an initial grayscale value and a representative polarity corresponding to each color sub-pixel; using a spatial compensation lookup table to generate each color sub-pixel according to an initial grayscale value and a representative polarity corresponding to each color sub-pixel Corresponding spatial grayscale correction value; and driving a plurality of corresponding color subpixels respectively with a plurality of voltages relative to the plurality of corrected grayscale values, wherein the corrected grayscale value corresponding to each color subpixel is an initial value The sum of the grayscale value and the spatial grayscale correction value. a spatial grayscale correction value of one of the plurality of color subpixels is associated with an initial grayscale value of the one of the plurality of color subpixels, a representative polarity, and a plurality of the adjacent ones of the plurality of color subpixels A plurality of initial grayscale values of the color sub-pixel, and a plurality of representative polarities.

In some embodiments, when no initial grayscale value corresponding to the color sub-pixel is found in the spatial compensation lookup table, interpolation is used to generate a spatial grayscale correction value corresponding to the color sub-pixel.

In some embodiments, the above display panel is in a point reversal manner Drive.

According to the above object of the present disclosure, a display method for a display panel is provided. The display panel includes a plurality of pixels, each pixel includes at least one color sub-pixel, and the display method performs the following steps in the first frame period: receiving Image data to generate initial grayscale values and representative polarities corresponding to each color sub-pixel; using a time-compensated lookup table to generate each color according to initial grayscale values and representative polarities corresponding to each color sub-pixel a time grayscale correction value corresponding to the subpixel; and respectively driving the corresponding plurality of color subpixels with a plurality of voltages relative to the plurality of corrected grayscale values, wherein the corrected grayscale corresponding to each of the color subpixels The value is the sum of the initial grayscale value and the time grayscale correction value. The time grayscale correction value corresponding to one of the plurality of color subpixels in the first frame period is associated with the initial grayscale value corresponding to the first frame period of the plurality of color subpixels, and represents The initial grayscale value and the representative polarity corresponding to the polarity and the plurality of color sub-pixels in the second frame period, wherein the first frame period is the next frame period of the second frame period.

In some embodiments, when no initial grayscale value corresponding to the color sub-pixel is found in the time compensation lookup table, interpolation is used to generate a time grayscale correction value corresponding to the color sub-pixel.

In some embodiments, the display panel described above is driven in a dot inversion manner.

According to the above object of the present disclosure, a display method for a display panel is provided. The display panel includes a plurality of pixels, each pixel includes at least one color sub-pixel, and the display method performs the following steps in the first frame period. Step: receiving image data to generate initial grayscale values and representative polarities corresponding to each color sub-pixel; using a spatial compensation lookup table to generate according to initial grayscale values and representative polarities corresponding to each color sub-pixel a spatial grayscale correction value corresponding to each color sub-pixel; using a time-compensated lookup table to generate a time grayscale corresponding to each color sub-pixel according to an initial grayscale value and a representative polarity corresponding to each color sub-pixel a correction value; and driving a plurality of corresponding color sub-pixels respectively with a plurality of voltages relative to the plurality of corrected gray-scale values, wherein the corrected gray-scale value corresponding to each color sub-pixel is an initial grayscale value, space The sum of the grayscale correction value and the time grayscale correction value. a spatial grayscale correction value of one of the plurality of color subpixels is associated with an initial grayscale value of the one of the plurality of color subpixels, a representative polarity, and a plurality of the adjacent ones of the plurality of color subpixels A plurality of initial grayscale values of the color sub-pixel, and a plurality of representative polarities. The time grayscale correction value corresponding to one of the plurality of color subpixels in the first frame period is associated with the initial grayscale value corresponding to the first frame period of the plurality of color subpixels, and represents The initial grayscale value and the representative polarity corresponding to the polarity and the plurality of color sub-pixels in the second frame period, wherein the first frame period is the next frame period of the second frame period.

In some embodiments, when the initial grayscale value corresponding to the color sub-pixel is not found in the spatial compensation lookup table, the interpolation method is used to generate the spatial grayscale correction value corresponding to the color sub-pixel; when the time compensation is performed When the initial gray scale value corresponding to the colored sub-pixel is not found in the lookup table, the interpolation method is used to generate the time gray scale correction value corresponding to the color sub-pixel.

In some embodiments, the display panel described above is driven in a dot inversion manner.

According to the above object of the present disclosure, a display device includes: a timing controller, a data driving module, and a display panel. The timing controller includes: an initial grayscale value generating module, a representative polarity generating module, and a spatial grayscale correction value generating module. The initial grayscale value generating module is configured to receive the image data in the frame period to generate an initial grayscale value corresponding to each of the plurality of color subpixels corresponding to the image data. The representative polarity generating module is configured to generate a representative polarity corresponding to each color sub-pixel. The spatial gray scale correction value generating module is configured to use the spatial compensation lookup table in the frame period to generate a space gray corresponding to each color sub-pixel according to the initial gray scale value and the representative polarity corresponding to each color sub-pixel. Order correction value. The data driving module is configured to respectively drive the corresponding plurality of color sub-pixels with a plurality of voltages relative to the plurality of corrected grayscale values in the frame period, wherein the corrected grayscale values corresponding to each of the color sub-pixels Is the sum of the initial grayscale value and the spatial grayscale correction value. The display panel includes a plurality of pixels, each pixel including at least one of a plurality of color sub-pixels. Wherein the spatial grayscale correction value of one of the plurality of color sub-pixels is associated with the initial grayscale value of the one of the plurality of color sub-pixels, the representative polarity, and the number of the adjacent ones of the plurality of color sub-pixels A plurality of initial grayscale values and a plurality of representative polarities of the color sub-pixels.

In some embodiments, when no initial grayscale value corresponding to the color sub-pixel is found in the spatial compensation lookup table, interpolation is used to generate a spatial grayscale correction value corresponding to the color sub-pixel.

In some embodiments, the display panel described above is driven in a dot inversion manner.

According to the above object of the present disclosure, a display device is further proposed. Set, including: timing controller, data driver module and display panel. The timing controller includes: an initial grayscale value generating module, a representative polarity generating module, and a time grayscale correction value generating module. The initial grayscale value generating module is configured to receive the image data in the first frame period to generate an initial grayscale value corresponding to each of the plurality of color subpixels corresponding to the image data. The representative polarity generating module is configured to generate a representative polarity corresponding to each color sub-pixel. The time grayscale correction value generating module is configured to use the time compensation lookup table in the first frame period to generate each color subpixel corresponding to the initial grayscale value and the representative polarity corresponding to each color subpixel. Time grayscale correction value. The data driving module is configured to respectively drive the corresponding plurality of color sub-pixels with a plurality of voltages relative to the plurality of corrected grayscale values in the first frame period, wherein the corrected gray corresponding to each color sub-pixel The order value is the sum of the initial grayscale value and the time grayscale correction value. The display panel includes a plurality of pixels, each pixel including at least one of a plurality of color sub-pixels. The time grayscale correction value corresponding to one of the plurality of color subpixels in the first frame period is associated with the initial grayscale value corresponding to the first frame period of the plurality of color subpixels, The initial gray scale value and the representative polarity corresponding to the polarity and the plurality of color sub-pixels in the second frame period, wherein the first frame period is the next frame period of the second frame period.

In some embodiments, when no initial grayscale value corresponding to the color sub-pixel is found in the time compensation lookup table, interpolation is used to generate a time grayscale correction value corresponding to the color sub-pixel.

In some embodiments, the display panel described above is driven in a dot inversion manner.

According to the above object of the present disclosure, a display device includes: a timing controller, a data driving module, and a display panel. The timing controller includes: an initial grayscale value generating module, a representative polarity generating module, a spatial grayscale correction value generating module, and a time grayscale correction value generating module. The initial grayscale value generating module is configured to receive the image data in the first frame period to generate an initial grayscale value corresponding to each of the plurality of color subpixels corresponding to the image data. The representative polarity generating module is configured to generate a representative polarity corresponding to each color sub-pixel. The spatial grayscale correction value generating module is configured to use the spatial compensation lookup table in the first frame period to generate corresponding to each color subpixel according to the initial grayscale value and the representative polarity corresponding to each color subpixel. Spatial grayscale correction value. The time grayscale correction value generating module is configured to use the time compensation lookup table in the first frame period to generate each color subpixel corresponding to the initial grayscale value and the representative polarity corresponding to each color subpixel. Time grayscale correction value. The data driving module is configured to respectively drive the corresponding plurality of color sub-pixels with a plurality of voltages relative to the plurality of corrected grayscale values in the first frame period, wherein the corrected gray corresponding to each color sub-pixel The order value is the sum of the initial grayscale value, the spatial grayscale correction value, and the time grayscale correction value. The display panel includes a plurality of pixels, each pixel including at least one of a plurality of color sub-pixels. Wherein the spatial grayscale correction value of one of the plurality of color sub-pixels is associated with the initial grayscale value of the one of the plurality of color sub-pixels, the representative polarity, and the number of the adjacent ones of the plurality of color sub-pixels A plurality of initial grayscale values and a plurality of representative polarities of the color sub-pixels. The time grayscale correction value corresponding to one of the plurality of color subpixels in the first frame period is associated with the initial grayscale value corresponding to the first frame period of the plurality of color subpixels, and represents polarity And the initial grayscale value and the representative polarity corresponding to the second frame period of the plurality of color sub-pixels, wherein the first frame period is the next frame period of the second frame period.

In some embodiments, when the initial grayscale value corresponding to the color sub-pixel is not found in the spatial compensation lookup table, the interpolation method is used to generate the spatial grayscale correction value corresponding to the color sub-pixel; when the time compensation is performed When the initial gray scale value corresponding to the colored sub-pixel is not found in the lookup table, the interpolation method is used to generate the time gray scale correction value corresponding to the color sub-pixel.

In some embodiments, the display panel described above is driven in a dot inversion manner.

The above described features and advantages of the present invention will be more apparent from the following description.

100, 200, 300‧‧‧ display devices

120, 220, 320‧‧‧ timing controller

140‧‧‧Data Drive Module

160‧‧‧ display panel

122‧‧‧Initial grayscale value generation module

124‧‧‧ represents the polarity generation module

126‧‧‧Space grayscale correction value generation module

128‧‧‧Time Grayscale Correction Value Generation Module

129‧‧‧ Computing Module

1000, 2000, 3000‧‧‧ Display methods for display panels

1100, 1200, 1300, 2100, 2200, 2300, 3100, 3200, 3300, 3400 ‧ ‧ steps

A better understanding of the aspects of the present disclosure can be obtained from the following detailed description taken in conjunction with the drawings. It should be noted that, according to industry standard practice, the features are not drawn to scale. In fact, in order to make the discussion clearer, the dimensions of each feature can be arbitrarily increased or decreased.

1 is a system block diagram of a display device according to a first embodiment of the present disclosure.

FIG. 2 is a flowchart of a display method for a display panel according to a first embodiment of the present disclosure.

FIG. 3 is a schematic diagram of a spatial compensation lookup table according to a first embodiment of the present disclosure.

Fig. 4 is a system block diagram of a display device according to a second embodiment of the present disclosure.

FIG. 5 is a flowchart of a display method for a display panel according to a second embodiment of the present disclosure.

FIG. 6 is a schematic diagram of a time compensation lookup table according to a second embodiment of the present disclosure.

Fig. 7 is a system block diagram of a display device according to a third embodiment of the present disclosure.

FIG. 8 is a flowchart of a display method for a display panel according to a third embodiment of the present disclosure.

Embodiments of the invention are discussed in detail below. However, it will be appreciated that the embodiments provide many applicable concepts that can be implemented in a wide variety of specific content. The examples discussed and disclosed are illustrative only and are not intended to limit the scope of the invention. The terms "first", "second", "etc." used in this document are not intended to mean the order or the order, and are merely to distinguish between elements or operations described in the same technical terms.

1 is a system block diagram of a display device 100 in accordance with a first embodiment of the present disclosure. The display device 100 includes a timing controller 120 (Timing Controller, T-CON), a data driving module 140, and a display panel 160. The timing controller 120 includes an initial grayscale value generation module 122, a representative polarity generation module 124, a spatial grayscale correction value generation module 126, and an operation module 129. The display panel 160 includes a plurality of pixels. Each pixel includes at least one color sub-pixel, such as a red sub-pixel, a green sub-pixel, and a blue sub-pixel. 2 is a flow chart of a display method 1000 for a display panel 160 according to a first embodiment of the present disclosure. The display method 1000 includes steps 1100 to 1300.

It is worth mentioning that the display panel 160 is driven by a low color shifting technique and is driven in a dot inversion manner. Therefore, the display panel 160 may have a defect of flickering of the screen. In the first embodiment of the present disclosure, the display device 100 and the display method 1000 for the display panel 160 are used to compensate for the offset of the common voltage, thereby improving the defect of the screen flicker of the display panel 160.

Referring to FIG. 1 and FIG. 2 together, in step 1100, the initial grayscale value generating module 122 is configured to receive image data in a frame period to generate an initial grayscale value corresponding to each color subpixel. The representative polarity generating module 124 is configured to generate a representative polarity corresponding to each color sub-pixel. It is to be noted that, since the display panel 160 adopts a low color shifting technique, the initial gray scale value and the representative polarity respectively generated by the initial gray scale value generating module 122 and the representative polarity generating module 124 are used to improve the display panel 160. Color shift problem.

In step 1200, the spatial grayscale correction value generating module 126 is configured to use a spatial compensation lookup table in a frame period to generate each color sub-color according to the initial grayscale value and the representative polarity corresponding to each color sub-pixel. The spatial grayscale correction value corresponding to the pixel. 3 is a schematic diagram of a spatial compensation lookup table according to a first embodiment of the present disclosure, wherein a title column is used to compare initial grayscale values corresponding to color sub-pixels, and a header row is used to compare representative polarities corresponding to color sub-pixels. For example, in the case of referring to the spatial compensation lookup table shown in FIG. 3, if a color sub-pixel corresponds to an initial grayscale value of 128 And the representative polarity is POL1-, the spatial grayscale correction value corresponding to the generated color sub-pixel is 3.

It should be noted that, in the first embodiment of the disclosure, when the initial gray scale value corresponding to the color sub-pixel is not found in the spatial compensation lookup table, the interpolation method is used to generate the space gray corresponding to the color sub-pixel. Order correction value. For example, in the case of referring to the spatial compensation lookup table shown in FIG. 3, if a certain color sub-pixel corresponds to an initial grayscale value of 150 and represents a polarity of POL1+, since the spatial compensation lookup table shown in FIG. The title column has no initial grayscale value of 150. The spatial grayscale correction value corresponding to the generated color sub-pixel is by interpolation, which means that the initial grayscale values are 128 and 160 and represent the polarity. The spatial grayscale correction values corresponding to POL1+ are interpolated by 2 and 3, respectively, and the interpolated results are rounded off to obtain the spatial grayscale correction value corresponding to the generated color subpixels. Is 3.

Referring to FIG. 1 and FIG. 2 again, in step 1300, the data driving module 140 is configured to respectively drive the display panel 160 with a plurality of voltages relative to the plurality of corrected grayscale values in a frame period. The color sub-pixels, wherein the corrected gray scale value corresponding to each color sub-pixel is the sum of the initial gray scale value and the spatial gray scale correction value. For example, in the case of referring to the spatial compensation lookup table shown in FIG. 3, if a color sub-pixel corresponds to an initial grayscale value of 128 and the representative polarity is POL1-, the generated color sub-pixel is The corresponding corrected gray scale value is the sum of the initial gray scale value 128 and the spatial gray scale correction value 3, that is, 131. It is worth mentioning that the computing module 129 located before the data driving module 140 is further used to perform data processing and The processed data is transferred to the data driving module 140.

It should be noted that, in the first embodiment of the present disclosure, the spatial grayscale correction value of one of the plurality of color subpixels is associated with the initial grayscale value, the representative polarity of the one of the plurality of color subpixels, and A plurality of initial gray scale values and a plurality of representative polarities of the plurality of color sub-pixels adjacent to the one of the plurality of color sub-pixels. In other words, the spatial gray scale correction value is an initial gray scale of the corresponding color sub-pixel by using the initial gray scale value and the representative polarity of the corresponding color sub-pixel and the initial gray scale value and the representative polarity of the adjacent color sub-pixels. The value is compensated for the spatial relationship, thereby improving the drawback of the flicker of the display panel 160.

4 is a system block diagram of a display device 200 in accordance with a second embodiment of the present disclosure. The display device 200 includes a timing controller 220, a data driving module 140, and a display panel 160. The timing controller 220 includes an initial grayscale value generation module 122, a representative polarity generation module 124, a time grayscale correction value generation module 128, and an operation module 129. The display panel 160 includes a plurality of pixels, each of which includes at least one color sub-pixel, such as a red sub-pixel, a green sub-pixel, and a blue sub-pixel. FIG. 5 is a flow chart of a display method 2000 for a display panel 160 according to a second embodiment of the present disclosure. The display method 2000 includes steps 2100 to 2300.

It is worth mentioning that the display panel 160 is driven by a low color shifting technique and is driven in a dot inversion manner. Therefore, the display panel 160 may have a defect of flickering of the screen. In the second embodiment of the present disclosure, the display device 200 and the display method 2000 for the display panel 160 are used to compensate for the offset of the common voltage, thereby improving the defect of the screen flicker of the display panel 160.

Referring to FIG. 4 and FIG. 5 together, in step 2100, the initial grayscale value generating module 122 is configured to receive image data in a first frame period to generate an initial grayscale value corresponding to each color subpixel. And representing the polarity generating module 124 for generating a representative polarity corresponding to each color sub-pixel. It is to be noted that, since the display panel 160 adopts a low color shifting technique, the initial gray scale value and the representative polarity respectively generated by the initial gray scale value generating module 122 and the representative polarity generating module 124 are used to improve the display panel 160. Color shift problem.

In step 2200, the time grayscale correction value generating module 128 is configured to use the time compensation lookup table in the first frame period to generate each color according to the initial grayscale value and the representative polarity corresponding to each color subpixel. The time grayscale correction value corresponding to the subpixel. 6 is a schematic diagram of a time compensation lookup table according to a second embodiment of the present disclosure, wherein a title column is used to compare initial grayscale values corresponding to color subpixels, and a header row is used to compare representative polarities corresponding to color subpixels. For example, in the case of referring to the time compensation lookup table shown in FIG. 6, if a color sub-pixel corresponds to an initial grayscale value of 128 and the representative polarity is POL1-, the generated color sub-pixel is The corresponding time grayscale correction value is -3.

It should be noted that, in the second embodiment of the present disclosure, when the initial gray scale value corresponding to the color sub-pixel is not seen in the time compensation lookup table, the interpolation method is used to generate the time gray corresponding to the color sub-pixel. Order correction value. For example, in the case of referring to the time compensation lookup table shown in FIG. 6, if a certain color sub-pixel corresponds to an initial grayscale value of 150 and represents a polarity of POL1+, since the time compensation lookup table is as shown in FIG. The title column does not see an initial grayscale value of 150, which corresponds to the color subpixel generated. The time grayscale correction value is interpolated by means of interpolation, that is, interpolation is performed using time grayscale correction values of 3 and 4 for initial gray scale values of 128 and 160 and representing polarity POL1+, respectively, and interpolation is performed. The subsequent result is rounded off to know that the color gray scale correction value corresponding to the generated color sub-pixel is 4.

Referring to FIG. 4 and FIG. 5 again, in step 2300, the data driving module 140 is configured to respectively drive the display panel 160 with a plurality of voltages relative to the plurality of corrected grayscale values in the first frame period. a plurality of color sub-pixels, wherein the corrected gray scale value corresponding to each color sub-pixel is a sum of an initial gray scale value and a time gray scale correction value. For example, in the case of referring to the spatial compensation lookup table shown in FIG. 6, if a color sub-pixel corresponds to an initial grayscale value of 128 and the representative polarity is POL1-, the generated color sub-pixel is The corresponding corrected gray scale value is the sum of the initial gray scale value 128 and the time gray scale correction value -3, that is, 125. It is worth mentioning that the computing module 129 located before the data driving module 140 is further configured to perform data processing and transfer the processed data to the data driving module 140.

It should be noted that, in the second embodiment of the present disclosure, the time grayscale correction value corresponding to one of the plurality of color subpixels in the first frame period is associated with the plurality of color subpixels. The initial gray scale value corresponding to the first frame period, the representative polarity, and the initial gray scale value and the representative polarity corresponding to the second frame period of the plurality of color sub-pixels, wherein the first frame period is the second The next frame period of the frame period. In other words, the time grayscale correction value is the initial grayscale value and the representative polarity of the current frame period and the initial grayscale value of the previous frame period and the representative of the corresponding color subpixel. The polarity is used to compensate for the temporal relationship of the initial grayscale values of the corresponding color sub-pixels, thereby improving the defect of the screen flicker of the display panel 160.

FIG. 7 is a system block diagram of a display device 300 in accordance with a third embodiment of the present disclosure. The display device 300 includes a timing controller 320, a data driving module 140, and a display panel 160. The timing controller 320 includes an initial grayscale value generation module 122, a representative polarity generation module 124, a spatial grayscale correction value generation module 126, a time grayscale correction value generation module 128, and an operation module 129. The display panel 160 includes a plurality of pixels, each of which includes at least one color sub-pixel, such as a red sub-pixel, a green sub-pixel, and a blue sub-pixel. FIG. 6 is a flow chart of a display method 3000 for a display panel 160 according to a third embodiment of the present disclosure. The display method 3000 includes steps 3100 to 3400.

It is worth mentioning that the display panel 160 is driven by a low color shifting technique and is driven in a dot inversion manner. Therefore, the display panel 160 may have a defect of flickering of the screen. In the third embodiment of the present disclosure, the display device 300 and the display method 3000 for the display panel 160 are used to compensate for the offset of the common voltage, thereby improving the defect of the screen flicker of the display panel 160.

Referring to FIG. 7 and FIG. 8 together, in step 3100, the initial grayscale value generating module 122 is configured to receive image data in a first frame period to generate an initial grayscale value corresponding to each color subpixel. And representing the polarity generating module 124 for generating a representative polarity corresponding to each color sub-pixel. It is to be noted that, since the display panel 160 adopts a low color shifting technique, the initial gray scale value and the representative polarity respectively generated by the initial gray scale value generating module 122 and the representative polarity generating module 124 are used to improve the display panel 160. Color shift problem.

In step 3200, the spatial grayscale correction value generating module 126 is configured to use the spatial compensation lookup table in the first frame period to generate each color according to the initial grayscale value and the representative polarity corresponding to each color subpixel. The spatial grayscale correction value corresponding to the subpixel.

In step 3300, the time grayscale correction value generating module 128 is configured to use the time compensation lookup table in the first frame period to generate each color according to the initial grayscale value and the representative polarity corresponding to each color subpixel. The time grayscale correction value corresponding to the subpixel.

It should be noted that, in the third embodiment of the disclosure, when the initial gray scale value corresponding to the color sub-pixel is not found in the spatial compensation lookup table, the interpolation method is used to generate the space gray corresponding to the color sub-pixel. Order correction value. It should be noted that, in the third embodiment of the disclosure, when the initial gray scale value corresponding to the color sub-pixel is not seen in the time compensation lookup table, the interpolation method is used to generate the time gray corresponding to the color sub-pixel. Order correction value.

Referring to FIG. 7 and FIG. 8 again, in step 3400, the data driving module 140 is configured to respectively drive the display panel 160 with a plurality of voltages relative to the plurality of corrected grayscale values in the first frame period. a plurality of color sub-pixels, wherein the corrected grayscale value corresponding to each color sub-pixel is a sum of an initial grayscale value, a spatial grayscale correction value, and a temporal grayscale correction value. For example, in the case of referring to the time compensation lookup table shown in FIG. 3 and the spatial compensation lookup table shown in FIG. 6, if a certain color sub-pixel corresponds to an initial grayscale value of 128 and represents a polarity of POL1+ Then, the corrected grayscale value corresponding to the color sub-pixel generated is the sum of the initial grayscale value 128, the spatial grayscale correction value 2, and the temporal grayscale correction value 3, that is, 133. It is worth mentioning that it is located The computing module 129 before the data driving module 140 is further configured to perform data processing and transfer the processed data to the data driving module 140.

It should be noted that, in the third embodiment of the present disclosure, the spatial grayscale correction value of one of the plurality of color subpixels is associated with the initial grayscale value, the representative polarity of the one of the plurality of color subpixels, and a plurality of initial gray scale values, a plurality of representative polarities of the plurality of color sub-pixels adjacent to the one of the plurality of color sub-pixels; and a time gray scale corresponding to one of the plurality of color sub-pixels in the first frame period The correction value is associated with the initial grayscale value corresponding to the first frame period of the plurality of color sub-pixels, the representative polarity, and the initial gray corresponding to the second frame period of the plurality of color sub-pixels The order value, representative polarity, wherein the first frame period is the next frame period of the second frame period. In other words, the spatial gray scale correction value is an initial gray scale of the corresponding color sub-pixel by using the initial gray scale value and the representative polarity of the corresponding color sub-pixel and the initial gray scale value and the representative polarity of the adjacent color sub-pixels. The value is compensated for the spatial relationship, and the time gray scale correction value is the initial gray scale value and the representative polarity of the current frame period and the initial gray scale value and representative polarity of the previous frame period. The initial gray scale value of the corresponding color sub-pixel is compensated for the time relationship, thereby improving the defect of the screen flicker of the display panel 160.

In summary, the present disclosure discloses that the initial gray scale value of the color sub-pixel is compensated for the spatial relationship through the spatial compensation look-up table, and/or the time-relationship between the initial gray scale values of the color sub-pixel is performed through the time-compensated look-up table. Compensation, thereby improving the defect of the screen flicker of the display panel. For the purposes of this disclosure, compensation for spatial relationships and compensation for time relationships may be It is carried out independently or together according to the actual use needs of the user.

The features of several embodiments are summarized above, and those skilled in the art will be able to understand the aspects of the disclosure. Those skilled in the art will appreciate that the present disclosure can be readily utilized as a basis for designing or modifying other processes and structures, thereby achieving the same objectives and/or achieving the same advantages as the embodiments described herein. . It should be understood by those skilled in the art that the invention may be made without departing from the spirit and scope of the disclosure.

Claims (18)

A display method for a display panel, the display panel includes a plurality of pixels, each of the pixels includes at least one color sub-pixel, and the display method performs the following steps in a frame period: receiving an image data to Generating an initial grayscale value and a representative polarity corresponding to each of the color sub-pixels; using a spatial compensation lookup table to determine the initial grayscale value and the representative polarity corresponding to each of the color subpixels Generating a spatial grayscale correction value corresponding to each of the color sub-pixels; and driving the corresponding color sub-pixels with a plurality of voltages relative to the plurality of corrected grayscale values, wherein each of the colors The corrected grayscale value corresponding to the sub-pixel is a sum of the initial grayscale value and the spatial grayscale correction value; wherein the spatial grayscale correction value of one of the color subpixels is associated with the color The initial grayscale value of the one of the subpixels, the representative polarity, and the initial grayscale values of the color subpixels of the one of the color subpixels, the representative polarities. The display method for a display panel according to claim 1, wherein when the initial gray scale value corresponding to the color sub-pixel is not found in the spatial compensation lookup table, interpolation is used to generate the The spatial grayscale correction value corresponding to the color sub-pixel. For the display surface as described in item 1 of the patent application scope A display method of a board, wherein the display panel is driven in a dot inversion manner. A display method for a display panel, the display panel includes a plurality of pixels, each of the pixels includes at least one color sub-pixel, and the display method performs the following steps in a first frame period: receiving an image data a generating an initial gray scale value and a representative polarity corresponding to each of the color sub-pixels; using a time compensation lookup table to determine the initial gray scale value corresponding to each of the color sub-pixels and the representative Polarity to generate a time grayscale correction value corresponding to each of the color subpixels; and driving the corresponding color subpixels with a plurality of voltages relative to the plurality of corrected grayscale values, wherein each of the colors The corrected gray scale value corresponding to the color sub-pixels is a sum of the initial gray scale value and the time gray scale correction value; wherein the one of the color sub-pixels corresponds to the time corresponding to the first frame period The grayscale correction value is associated with the initial grayscale value corresponding to the color frame subpixel corresponding to the first frame period, the representative polarity, and the second of the color subpixels The initial grayscale value corresponding frame period, the polarity of the representative, wherein the first frame period for the next frame period in the second frame period. The display method for a display panel according to claim 4, wherein the color is not seen in the time compensation lookup table. When the initial gray scale value corresponding to the sub-pixel is used, interpolation is used to generate the time gray scale correction value corresponding to the color sub-pixel. The display method for a display panel according to claim 4, wherein the display panel is driven in a dot inversion manner. A display method for a display panel, the display panel includes a plurality of pixels, each of the pixels includes at least one color sub-pixel, and the display method performs the following steps in a first frame period: receiving an image data a generating an initial gray scale value and a representative polarity corresponding to each of the color sub-pixels; using a spatial compensation lookup table to determine the initial gray scale value and the representative corresponding to each of the color sub-pixels Polarity to generate a spatial grayscale correction value corresponding to each of the color sub-pixels; using a time compensation lookup table to generate the initial grayscale value corresponding to each of the color subpixels and the representative polarity a time gray scale correction value corresponding to each of the color sub-pixels; and driving the corresponding color sub-pixels with a plurality of voltages relative to the plurality of corrected gray scale values, wherein each of the color sub-pixels The corrected grayscale value corresponding to the pixel is a sum of the initial grayscale value, the spatial grayscale correction value, and the timescale grayscale correction value; wherein the one of the color subpixels Gray line between the associated correction value to the initial value of the plurality of gray level of the color subpixels of the person, and the representative polarity adjacent to the plurality of color sub-pixel by the color subpixels of the plurality of The initial grayscale values, the representative polarities, wherein the one of the color subpixels corresponds to the time grayscale correction value corresponding to the first frame period is associated with the color subpixels The initial grayscale value corresponding to the first frame period, the representative polarity, and the initial grayscale value corresponding to the second frame period of the color subpixels, the representative polarity, wherein the The first frame period is the next frame period of the second frame period signal frame. The display method for a display panel according to claim 7, wherein when the initial gray scale value corresponding to the color sub-pixel is not seen in the spatial compensation lookup table, interpolation is used to generate the a grayscale correction value corresponding to the color sub-pixel; wherein when the initial grayscale value corresponding to the color sub-pixel is not seen in the time compensation lookup table, interpolation is used to generate the color sub-pixel corresponding to The grayscale correction value for this time. The display method for a display panel according to claim 7, wherein the display panel is driven in a dot inversion manner. A display device includes: a timing controller, comprising: an initial grayscale value generating module, configured to receive an image data in a frame period to generate a plurality of colors corresponding to the image data An initial gray scale value corresponding to each of the color sub-pixels; a representative polarity generating module for generating a representative polarity corresponding to each of the color sub-pixels; and a spatial gray-scale correction value generating module a space compensation lookup table is used in the frame period to generate a corresponding one of each of the color sub-pixels according to the initial gray scale value corresponding to each of the color sub-pixels and the representative polarity. a spatial gray scale correction value; a data driving module, configured to respectively drive the corresponding color sub-pixels with a plurality of voltages relative to the plurality of corrected gray scale values in the frame period, wherein each of the plurality of color sub-pixels The corrected grayscale value corresponding to the color sub-pixel is a sum of the initial grayscale value and the spatial grayscale correction value; and a display panel includes a plurality of pixels, each of the pixels including the color sub-pixels At least one of the plurality of color sub-pixels, wherein the spatial grayscale correction value is associated with the initial grayscale value of the one of the color subpixels, the representative polarity, and adjacent to the color sub-pixels Pixel The plurality of the plurality of initial grayscale value of the color sub-pixels are, the more representative of polarity. The display device of claim 10, wherein when the initial gray scale value corresponding to the color sub-pixel is not found in the spatial compensation lookup table, interpolation is used to generate the color sub-pixel corresponding to This space grayscale correction value. Display device as described in claim 10 The display panel is driven in a dot inversion manner. A display device includes: a timing controller, comprising: an initial grayscale value generating module, configured to receive an image data in a first frame period to generate a plurality of colors corresponding to the image data Each of the sub-pixels corresponds to an initial grayscale value; a representative polarity generating module for generating a representative polarity corresponding to each of the color sub-pixels; and a time grayscale correction value generating module, A time compensation lookup table is used in the first frame period to generate each of the color sub-pixels according to the initial gray scale value corresponding to each of the color sub-pixels and the representative polarity. a gray-scale correction value; a data driving module, configured to respectively drive the corresponding color sub-pixels with a plurality of voltages relative to the plurality of corrected gray-scale values during the first frame period, wherein each of the color sub-pixels The corrected gray scale value corresponding to the color sub-pixels is a sum of the initial gray scale value and the time gray scale correction value; and a display panel includes a plurality of pixels, each of the pixels including the colors child At least one of the pixels; wherein the one of the color sub-pixels corresponds to the time frame grayscale correction value corresponding to the color of the first sub-frame period in the first frame period Corresponding to the initial grayscale value, the representative polarity, and the initial grayscale value corresponding to the second frame period of the color sub-pixels, the representative polarity, wherein the first frame period is the Second picture The next frame period of the box period. The display device of claim 13, wherein when the initial gray scale value corresponding to the color sub-pixel is not found in the time compensation lookup table, interpolation is used to generate the color sub-pixel corresponding to The grayscale correction value for this time. The display device of claim 13, wherein the display panel is driven in a dot inversion manner. A display device includes: a timing controller, comprising: an initial grayscale value generating module, configured to receive an image data in a first frame period to generate a plurality of colors corresponding to the image data An initial gray scale value corresponding to each of the sub-pixels; a representative polarity generating module for generating a representative polarity corresponding to each of the color sub-pixels; and a spatial gray-scale correction value generating module A space compensation lookup table is used in the first frame period to generate a corresponding one of each of the color sub-pixels according to the initial gray scale value corresponding to each of the color sub-pixels and the representative polarity. a grayscale correction value; and a time grayscale correction value generating module, configured to utilize a time compensation lookup table in the first frame period to select the initial grayscale corresponding to each of the color subpixels Value with the representative polarity to generate each a time gray scale correction value corresponding to the color sub-pixels; a data driving module configured to respectively drive the plurality of voltages relative to the plurality of corrected gray scale values in the first frame period The color sub-pixels, wherein the corrected grayscale value corresponding to each of the color sub-pixels is a sum of the initial grayscale value, the spatial grayscale correction value and the timescale grayscale correction value; and a display The panel includes a plurality of pixels, each of the pixels including at least one of the color sub-pixels; wherein the spatial grayscale correction value of one of the color sub-pixels is associated with the color sub-pixels The initial gray scale value, the representative polarity, and the initial gray scale values of the color sub-pixels adjacent to the color sub-pixels, the representative polarities; wherein one of the color sub-pixels The grayscale correction value corresponding to the time of the first frame period is associated with the initial grayscale value, the representative polarity, and the representative of the color subpixel corresponding to the first frame period. Some of these colored sub-pixels The initial value of gray level in a corresponding second frame period, the representative polarity, wherein the first frame period for the next frame period in the second frame period. The display device of claim 16, wherein when the initial gray scale value corresponding to the color sub-pixel is not found in the spatial compensation lookup table, interpolation is used to generate the color sub-pixel corresponding to The spatial gray scale correction value; wherein the color sub-pixel is not seen in the time compensation lookup table Corresponding to the initial grayscale value, interpolation is used to generate the time grayscale correction value corresponding to the color subpixel. The display device of claim 16, wherein the display panel is driven in a dot inversion manner.