CN107909976B - Display driving method and device - Google Patents
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- CN107909976B CN107909976B CN201711175876.XA CN201711175876A CN107909976B CN 107909976 B CN107909976 B CN 107909976B CN 201711175876 A CN201711175876 A CN 201711175876A CN 107909976 B CN107909976 B CN 107909976B
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- 239000004973 liquid crystal related substance Substances 0.000 description 9
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
- G09G3/20—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
- G09G3/34—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters by control of light from an independent source
- G09G3/36—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters by control of light from an independent source using liquid crystals
- G09G3/3611—Control of matrices with row and column drivers
- G09G3/3648—Control of matrices with row and column drivers using an active matrix
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
- G09G3/20—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
- G09G3/34—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters by control of light from an independent source
- G09G3/36—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters by control of light from an independent source using liquid crystals
- G09G3/3611—Control of matrices with row and column drivers
- G09G3/3674—Details of drivers for scan electrodes
- G09G3/3677—Details of drivers for scan electrodes suitable for active matrices only
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Abstract
The invention provides display driving methods and devices, the method measures the pulse width of the grid driving signal when obtaining the best charging rate of a plurality of measuring positions corresponding to different pixel line numbers in the display panel, then obtains the pulse width of the grid driving signal when obtaining the best charging rate of other display positions in the display panel through linear interpolation according to the pulse width of the grid driving signal when obtaining the best charging rate of the plurality of measuring positions, and finally drives the display panel to work by utilizing the pulse width of the grid driving signal when obtaining the best charging rate of each display position in the display panel obtained through measurement and linear interpolation, thereby improving the charging uniformity of the display panel and the color cast problem.
Description
Technical Field
The invention relates to the technical field of display, in particular to display driving methods and devices.
Background
Liquid Crystal Displays (LCDs) have many advantages such as thin body, power saving, no radiation, etc., and have gained widespread applications, such as Liquid Crystal televisions, mobile phones, Personal Digital Assistants (PDAs), digital cameras, computer screens or notebook computer screens, etc., and are dominant in the field of flat panel displays.
Most of the existing liquid crystal displays in the market are backlight liquid crystal displays (lcds), which include a liquid crystal display panel and a backlight module (backlight module). The liquid crystal display panel operates on the principle that liquid crystal molecules are filled between a thin film Transistor Array Substrate (TFT Array Substrate) and a color filter Substrate (color filter, CF), and driving voltages are applied to the two substrates to control the rotation direction of the liquid crystal molecules, so that light of the backlight module is refracted out to generate a picture.
In the active liquid crystal display, each pixel is electrically connected with Thin Film Transistors (TFTs), a Gate (Gate) of each TFT is connected to a Gate line, a Drain (Drain) of each TFT is connected to a vertical data line, a Source (Source) of each TFT is connected to a pixel electrode, the rows of TFTs are connected to Gate lines, and the columns of TFTs are connected to data lines.
However, in the prior art, no matter the external IC is used to drive the gate lines or the GOA circuit is used to drive the gate lines, the pulse widths of the gate driving signals generated corresponding to each gate lines are the same, and at this time, because the distances from the pixels connected to the gate lines in different rows to the source driving chip are different, when the source driving chip charges the pixels far away from the source driving chip through the data lines, the charging rate is lower than that of the pixels near the source driving chip, which causes the charging non-uniformity and color cast phenomena.
Disclosure of Invention
The invention aims to provide display driving methods, which can improve the charging uniformity of a display panel and improve the color cast problem by adjusting the pulse width of a gate driving signal corresponding to different display positions.
The present invention further provides display driving devices, which can improve the charging uniformity of the display panel and improve the color shift problem by adjusting the pulse width of the gate driving signal corresponding to different display positions.
To achieve the above object, the present invention provides display driving methods, comprising the steps of:
step S1, selecting at least three display positions as measurement positions in the display panel, where the measurement positions correspond to different numbers of pixel lines in the display panel;
step S2, respectively measuring the pulse width of the corresponding gate drive signal when the optimal charging rate is obtained at each measuring position;
step S3, performing linear interpolation according to the pulse width of the gate driving signal corresponding to the optimal charging rate obtained at each measured position in step S2, to obtain the pulse width of the gate driving signal corresponding to the rest of the display positions except the measured position in the display panel;
and step S4, driving the display panel to display the image according to the pulse width of the gate driving clock corresponding to the optimal charging rate obtained from each measured position in step S2 and the pulse widths of the gate driving clock corresponding to the rest of the display positions except the measured position interpolated in step S3.
In step S2, the number of system clocks corresponding to the high level of the gate driving signal at the measurement position when the measurement position obtains the optimal charging rate is counted to determine the pulse width of the gate driving signal corresponding to the measurement position when the measurement position obtains the optimal charging rate.
The step S3 performs linear interpolation according to the following formula:
wherein, X is the number of pixel lines corresponding to the display position to be interpolated, Y is the pulse width of the gate driving signal of the display position to be interpolated, X0 and X1 are the number of pixel lines corresponding to two measurement positions adjacent to the display position to be interpolated, respectively, and Y0 and Y1 are the pulse widths of the gate driving signal corresponding to two measurement positions adjacent to the display position to be interpolated when the optimal charging rate is obtained, respectively.
The difference value of the pixel line numbers corresponding to two adjacent measurement positions is a power of 2.
The total number of pixel lines of the display panel is 2160, and three display positions are selected as measurement positions in step S1, where the number of pixel lines corresponding to the three measurement positions is 112, 1136 and 2160 respectively; in step S3, the pulse width of the gate driving signal at the display position where the corresponding number of pixel lines is less than 112 is set to be equal to the pulse width of the gate driving signal at the measurement position where the corresponding number of pixel lines is 112.
The invention also provides display driving devices, which comprise a measuring unit, an interpolation unit connected with the measuring unit and a driving unit connected with the interpolation unit;
the measuring unit is used for selecting at least three display positions in a display panel as measuring positions and respectively measuring the pulse width of the corresponding gate driving signal when the optimal charging rate is obtained at each measuring position, and the measuring positions correspond to different pixel rows in different display panels;
the interpolation unit is used for carrying out linear interpolation on the pulse width of the corresponding gate driving signal when the optimal charging rate is obtained according to each measuring position measured by the measuring unit to obtain the pulse width of the gate driving signal corresponding to the rest display positions except the measuring position in the display panel;
and the driving unit is used for driving the display panel to display pictures according to the pulse width of the corresponding gate drive clock when the optimal charging rate is obtained at each measuring position measured by the measuring unit and the pulse widths of the gate drive clocks corresponding to the rest of display positions except the measuring position obtained by interpolation of the interpolation unit.
The measuring unit determines the pulse width of the gate driving signal corresponding to the optimal charging rate obtained at the measuring position by counting the number of the system clocks corresponding to the high level of the gate driving signal at the measuring position when the optimal charging rate is obtained at the measuring position.
The interpolation unit performs linear interpolation according to the following formula:
wherein, X is the number of pixel lines corresponding to the display position to be interpolated, Y is the pulse width of the gate driving signal of the display position to be interpolated, X0 and X1 are the number of pixel lines corresponding to two measurement positions adjacent to the display position to be interpolated, respectively, and Y0 and Y1 are the pulse widths of the gate driving signal corresponding to two measurement positions adjacent to the display position to be interpolated when the optimal charging rate is obtained, respectively.
The difference value of the pixel line numbers corresponding to two adjacent measurement positions is a power of 2.
The total pixel line number of the display panel is 2160, the measuring unit selects three display positions as measuring positions, and the pixel line numbers corresponding to the three measuring positions are 112, 1136 and 2160 respectively; the interpolation unit also sets the pulse width of the gate drive signal at the display position where the corresponding number of pixel lines is less than 112 to be equal to the pulse width of the gate drive signal at the measurement position where the corresponding number of pixel lines is 112.
The invention has the advantages that the invention provides display driving methods, firstly measuring the pulse width of the grid driving signal when the optimal charging rate is obtained at a plurality of measuring positions corresponding to different pixel line numbers in the display panel, then obtaining the pulse width of the grid driving signal when the optimal charging rate is obtained at other display positions in the display panel through linear interpolation according to the pulse width of the grid driving signal when the optimal charging rate is obtained at the plurality of measuring positions, and finally driving the display panel to work by utilizing the pulse width of the grid driving signal when the optimal charging rate is obtained at each display position in the display panel obtained through measurement and linear interpolation, so that the charging uniformity of the display panel can be improved, and the color cast problem can be improved.
Drawings
For a further understanding of the nature and technical content of the present invention , reference should be made to the following detailed description of the invention and accompanying drawings which are provided for purposes of illustration and description only and are not intended to be limiting.
In the drawings, there is shown in the drawings,
FIG. 1 is a flow chart of a display driving method according to the present invention;
FIG. 2 is a diagram illustrating a step S1 of the display driving method according to the present invention;
fig. 3 is a schematic diagram of a display driving apparatus according to the present invention.
Detailed Description
To further explain the technical means and effects of the present invention, the following detailed description is given with reference to the preferred embodiments of the present invention and the accompanying drawings.
Referring to fig. 1, the present invention further provides display driving methods, including the following steps:
step S1, selecting at least three display positions in the display panel 10 as measurement positions, where the measurement positions correspond to different pixel line numbers in different display panels 10.
Specifically, as shown in fig. 2, the display panel 10 includes: a plurality of gate lines 41 arranged in parallel at intervals, a plurality of data lines 42 arranged in parallel at intervals, and a plurality of pixels 50 arranged in an array defined by the intersections of the gate lines 41 and the data lines 42; the gate lines 41 are electrically connected to the gate driving circuit 30, and the data lines 42 are connected to the source driving circuit 20.
, the gate driving circuit 30 is configured to provide gate driving signals to the gate lines 41 row by row to turn on the pixels 50 electrically connected to the gate lines 41, and the source driving circuit 20 is configured to provide data signals to the data lines 42 to charge the pixels 50, wherein the source driving circuit 20 is disposed at a top end of the display panel 10, and the gate driving circuit 30 is disposed at left and right sides of the display panel 10, at this time, distances between the pixels 50 in different pixel rows and the source driving circuit 20 are different, that is, lengths of the data lines needed to pass through when the source driving circuit 20 transmits the data signals to the pixels 50 in different pixel rows are different.
And step S2, measuring the pulse width of the gate driving signal corresponding to the optimal charging rate obtained at each measurement position.
Specifically, in step S2, the pulse width of the gate driving signal corresponding to the measurement position at which the optimal charging rate is obtained is determined by counting the number of system clocks corresponding to the high level of the gate driving signal at the measurement position at which the optimal charging rate is obtained.
Step S3, performing linear interpolation according to the pulse width of the gate driving signal corresponding to the optimal charging rate obtained at each measured position in step S2, and obtaining the pulse width of the gate driving signal corresponding to the rest of the display positions except the measured position in the display panel 10.
Specifically, the step S3 performs linear interpolation according to the following formula:
wherein, X is the number of pixel lines corresponding to the display position to be interpolated, Y is the pulse width of the gate driving signal of the display position to be interpolated, X0 and X1 are the number of pixel lines corresponding to two measurement positions adjacent to the display position to be interpolated, respectively, and Y0 and Y1 are the pulse widths of the gate driving signal corresponding to two measurement positions adjacent to the display position to be interpolated when the optimal charging rate is obtained, respectively.
Step S4, driving the display panel 10 to display the image according to the pulse width of the gate driving clock corresponding to the optimum charging rate obtained from each measured position in step S2 and the pulse widths of the gate driving clock corresponding to the rest of the display positions except the measured position interpolated in step S3.
, in order to facilitate the interpolation operation in step S3, the present invention preferably further sets the difference between the pixel line numbers corresponding to two adjacent measurement positions to be a power of 2, so as to save resources, and at this time, the interpolation result can be obtained by shifting, and the calculation process is simpler, for example, in a preferred embodiment of the present invention, the display panel 10 is an ultra high definition display panel including 3840 columns of 2160 lines of pixels, the number of the measurement positions is three, the three measurement positions are respectively located at the top, the middle and the bottom of the display panel 10, and the corresponding pixel line numbers are respectively 112, 1136 and 2160.
, in the above preferred embodiment, the pulse period of the gate driving signal is set equal to 100 system clocks, the pulse width of the gate driving signal when the optimum charging rate is obtained at the measurement position corresponding to 112 pixel rows, the pulse width of the gate driving signal when the optimum charging rate is obtained at the measurement position corresponding to 1136 pixel rows, and the pulse width of the gate driving signal when the optimum charging rate is obtained at the measurement position corresponding to 2160 pixel rows are set equal to 60 system clocks, and the pulse widths of the gate driving signals at other display positions are obtained by interpolation according to the above interpolation formula, for example, the pulse width of the gate driving signal at the display position corresponding to 250 pixel rows is set as follows:
and the rounding is 58, the pulse width of the gate driving signal corresponding to the display position of 250 pixel rows is 58 system clocks.
It should be noted that, in the above preferred embodiment, the pulse width of the gate driving signal at the display position where the corresponding pixel row number is less than 112 is also equal to the pulse width of the gate driving signal at the measurement position where the corresponding pixel row number is 112.
Preferably, the gate driving circuit 30 is a GOA circuit or an external gate driving chip.
Referring to fig. 3, the present invention further provides display driving devices, including a measurement unit 100, an interpolation unit 200 connected to the measurement unit 100, and a driving unit 300 connected to the interpolation unit 200;
the measuring unit 100 is configured to select at least three display positions in the display panel as measuring positions, and measure pulse widths of the corresponding gate driving signals when the optimal charging rates are obtained at the respective measuring positions, respectively, where the plurality of measuring positions correspond to different numbers of pixel rows in different display panels 10.
The interpolation unit 200 is configured to perform linear interpolation according to the pulse width of the gate driving signal corresponding to the optimal charging rate obtained at each measurement position measured by the measurement unit 100, so as to obtain the pulse width of the gate driving signal corresponding to the rest of the display positions except the measurement position in the display panel 10;
the driving unit 300 is configured to drive the display panel 10 to display a picture according to the pulse width of the gate driving clock corresponding to the measurement position obtained by the measurement unit 100 and the pulse width of the gate driving clock corresponding to the display position except the measurement position interpolated by the interpolation unit 200.
Specifically, as shown in fig. 2, the display panel 10 includes: a plurality of gate lines 41 arranged in parallel at intervals, a plurality of data lines 42 arranged in parallel at intervals, and a plurality of pixels 50 arranged in an array defined by the intersections of the gate lines 41 and the data lines 42; the gate lines 41 are electrically connected to the gate driving circuit 30, and the data lines 42 are connected to the source driving circuit 20.
, the gate driving circuit 30 is configured to provide gate driving signals to the gate lines 41 row by row to turn on the pixels 50 electrically connected to the gate lines 41, and the source driving circuit 20 is configured to provide data signals to the data lines 42 to charge the pixels 50, wherein the source driving circuit 20 is disposed at a top end of the display panel 10, and the gate driving circuit 30 is disposed at left and right sides of the display panel 10, at this time, distances between the pixels 50 in different pixel rows and the source driving circuit 20 are different, that is, lengths of the data lines needed to pass through when the source driving circuit 20 transmits the data signals to the pixels 50 in different pixel rows are different.
Specifically, the measurement unit 100 determines the pulse width of the gate driving signal corresponding to the measurement position at which the optimal charging rate is obtained by counting the number of system clocks corresponding to the high level of the gate driving signal at the measurement position at which the optimal charging rate is obtained.
Specifically, the interpolation unit 200 performs linear interpolation according to the following equation:
wherein, X is the number of pixel lines corresponding to the display position to be interpolated, Y is the pulse width of the gate driving signal of the display position to be interpolated, X0 and X1 are the number of pixel lines corresponding to two measurement positions adjacent to the display position to be interpolated, respectively, and Y0 and Y1 are the pulse widths of the gate driving signal corresponding to two measurement positions adjacent to the display position to be interpolated when the optimal charging rate is obtained, respectively.
For the convenience of the interpolation operation in the interpolation unit 200, it is preferable that the difference between the pixel line numbers corresponding to two adjacent measurement positions is set to be a power of 2, and resources can be saved, and at this time, the interpolation result can be obtained by shifting, and the calculation process is simpler, for example, in a preferred embodiment of the present invention, the display panel 10 is an ultra high definition display panel including 3840 columns of 2160 lines of pixels, the number of the measurement positions is three, the three measurement positions are respectively located at the top, the middle and the bottom of the display panel 10, and the corresponding pixel line numbers are respectively 112, 1136 and 2160.
, in the above preferred embodiment, the pulse period of the gate driving signal is set equal to 100 system clocks, the pulse width of the gate driving signal when the optimum charging rate is obtained at the measurement position corresponding to 112 pixel rows, the pulse width of the gate driving signal when the optimum charging rate is obtained at the measurement position corresponding to 1136 pixel rows, and the pulse width of the gate driving signal when the optimum charging rate is obtained at the measurement position corresponding to 2160 pixel rows are set equal to 60 system clocks, and the pulse widths of the gate driving signals at other display positions are obtained by interpolation according to the above interpolation formula, for example, the pulse width of the gate driving signal at the display position corresponding to 250 pixel rows is set as follows:
and the rounding is 58, the pulse width of the gate driving signal corresponding to the display position of 250 pixel rows is 58 system clocks.
It should be noted that, in the above preferred embodiment, the pulse width of the gate driving signal at the display position where the corresponding pixel row number is less than 112 is also equal to the pulse width of the gate driving signal at the measurement position where the corresponding pixel row number is 112.
Preferably, the gate driving circuit 30 is a GOA circuit or an external gate driving chip.
In summary, the present invention provides display driving methods, which first measure the pulse width of the gate driving signal at the time of obtaining the optimal charging rate at a plurality of measurement positions corresponding to different pixel rows in the display panel, then obtain the pulse width of the gate driving signal at the time of obtaining the optimal charging rate at other display positions in the display panel through linear interpolation according to the pulse width of the gate driving signal at the time of obtaining the optimal charging rate at the plurality of measurement positions, and finally drive the display panel to operate by using the pulse width of the gate driving signal at the time of obtaining the optimal charging rate at each display position in the display panel obtained through measurement and linear interpolation, so as to improve the charging uniformity of the display panel and the color shift problem.
As described above, it will be apparent to those skilled in the art that other various changes and modifications may be made based on the technical solution and concept of the present invention, and all such changes and modifications are intended to fall within the scope of the appended claims.
Claims (10)
1, display driving method, comprising the steps of:
step S1, selecting at least three display positions in the display panel (10) as measurement positions, wherein the measurement positions correspond to different pixel line numbers in different display panels (10);
step S2, measuring the pulse width of the corresponding gate drive signal when the optimal charging rate is obtained at each measurement position;
step S3, linear interpolation is carried out according to the pulse width of the corresponding gate driving signal when the optimal charging rate is obtained at each measured position measured in step S2, and the pulse width of the gate driving signal corresponding to the rest of the display positions except the measured position in the display panel (10) is obtained;
and a step S4 of driving the display panel (10) to display the picture according to the pulse width of the gate drive clock corresponding to the optimal charging rate obtained from each measured position in the step S2 and the pulse width of the gate drive clock corresponding to the rest of the display positions except the measured position interpolated in the step S3.
2. The display driving method according to claim 1, wherein the step S2 determines the pulse width of the gate driving signal corresponding to the measurement position at which the optimal charging rate is obtained by counting the number of the system clocks corresponding to the high level of the gate driving signal at the measurement position at which the optimal charging rate is obtained.
3. The display driving method according to claim 1, wherein the step S3 performs linear interpolation according to the following formula:
wherein, X is the number of pixel lines corresponding to the display position to be interpolated, Y is the pulse width of the gate driving signal of the display position to be interpolated, X0 and X1 are the number of pixel lines corresponding to two measurement positions adjacent to the display position to be interpolated, respectively, and Y0 and Y1 are the pulse widths of the gate driving signal corresponding to two measurement positions adjacent to the display position to be interpolated when the optimal charging rate is obtained, respectively.
4. The display driving method according to claim 1, wherein the difference between the numbers of pixel rows corresponding to two adjacent measurement positions is a power of 2.
5. The display driving method according to claim 4, wherein the total number of pixel rows of the display panel (10) is 2160, and three display positions corresponding to the number of pixel rows of 112, 1136 and 2160 are selected as the measurement positions in step S1; in step S3, the pulse width of the gate driving signal at the display position where the corresponding number of pixel lines is less than 112 is set to be equal to the pulse width of the gate driving signal at the measurement position where the corresponding number of pixel lines is 112.
The display driving device is characterized by comprising a measuring unit (100), an interpolation unit (200) connected with the measuring unit (100) and a driving unit (300) connected with the interpolation unit (200);
the measuring unit (100) is used for selecting at least three display positions in the display panel as measuring positions, and respectively measuring the pulse width of the corresponding gate driving signal when the optimal charging rate is obtained at each measuring position, wherein the plurality of measuring positions correspond to different pixel rows in different display panels (10);
the interpolation unit (200) is used for carrying out linear interpolation according to the pulse width of the corresponding gate driving signal when the optimal charging rate is obtained at each measuring position measured by the measuring unit (100) to obtain the pulse width of the gate driving signal corresponding to the rest display positions except the measuring position in the display panel (10);
the driving unit (300) is used for driving the display panel (10) to display pictures according to the pulse width of the corresponding gate driving clock when the optimal charging rate is obtained at each measuring position measured by the measuring unit (100) and the pulse width of the gate driving clock corresponding to the rest of display positions except the measuring position obtained by interpolation by the interpolation unit (200).
7. The display driving device according to claim 6, wherein the measuring unit (100) determines the pulse width of the gate driving signal corresponding to the measurement position at which the optimum charging rate is obtained by counting the number of the system clocks corresponding to the high level of the gate driving signal at the measurement position at which the optimum charging rate is obtained.
8. The display drive apparatus according to claim 6, wherein the interpolation unit (200) performs linear interpolation according to the following formula:
wherein, X is the number of pixel lines corresponding to the display position to be interpolated, Y is the pulse width of the gate driving signal of the display position to be interpolated, X0 and X1 are the number of pixel lines corresponding to two measurement positions adjacent to the display position to be interpolated, respectively, and Y0 and Y1 are the pulse widths of the gate driving signal corresponding to two measurement positions adjacent to the display position to be interpolated when the optimal charging rate is obtained, respectively.
9. The display driving device according to claim 6, wherein the difference between the numbers of pixel rows for adjacent two measurement positions is a power of 2.
10. The display driving apparatus according to claim 9, wherein the total number of pixel rows of the display panel (10) is 2160, and the measuring unit (100) selects three display positions as the measuring positions, the three measuring positions corresponding to the pixel rows of 112, 1136 and 2160, respectively; the interpolation unit (200) also sets the pulse width of the gate drive signal for the display position where the corresponding number of pixel lines is less than 112 to be equal to the pulse width of the gate drive signal for the measurement position where the corresponding number of pixel lines is 112.
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| CN111754945B (en) * | 2019-03-29 | 2021-12-28 | 合肥鑫晟光电科技有限公司 | Method and apparatus for controlling driving of display apparatus, and display apparatus |
| CN115812237A (en) * | 2021-04-25 | 2023-03-17 | 京东方科技集团股份有限公司 | Source electrode driving circuit, display device and data driving method |
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| EP2033076B1 (en) * | 2006-06-02 | 2014-02-26 | Compound Photonics Limited | Pulse width driving method using multiple pulse |
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