Pixel matching method and device, electronic equipment, storage medium and program product

Abstract

The embodiment of the invention provides a pixel matching method and device, electronic equipment, a storage medium and a program product. According to the corresponding final pixel number of the (N-1)-th local backlight area on a backlight unit and the previous local backlight area in the target direction of a liquid crystal display panel, the (N-1)-th local backlight area on the backlight unit is matched with the (N-1)-th local backlight area on the liquid crystal display panel; the number of remaining pixels corresponding to the (N-1) th local backlight area in the target direction is determined, and then the number of preset pixels corresponding to the (N-1) th local backlight area in the target direction is determined based on the number of remaining pixels and the number of remaining local backlight areas corresponding to the (N-1) th local backlight area. According to the preset pixel number, the corresponding final pixel number of the Nth local backlight area in the target direction is determined, so that the final pixel numbers corresponding to all the local backlight areas are similar, and pixels on the liquid crystal display panel are evenly divided into all the local backlight areas as much as possible.

Description

Technical Field

[0001] The present application relates to the field of display technology, and in particular to a pixel matching method, device, electronic device, storage medium and program product. Background Art

[0002] However, with the improvement of people's quality of life and diversified needs, AM mini-LED (Active Matrix mini Light-emitting Diode) display devices have gradually become larger and more high-performance.

[0003] In order to support larger display sizes and resolutions, the number of local backlight areas is gradually increasing. As the number of local backlight areas increases, it becomes more important to distribute the pixels on the LCD panel as evenly as possible across the local backlight areas.

[0004] Therefore, it is particularly important to distribute the pixels on the liquid crystal display panel as evenly as possible in each local backlight area. Summary of the invention

[0005] The embodiments of the present application provide a pixel matching method, device, electronic device, storage medium and program product for distributing pixels on a liquid crystal display panel as evenly as possible in each local backlight area.

[0006] In a first aspect, an embodiment of the present application provides a pixel matching method, comprising:

[0007] Determine the number of remaining pixels corresponding to the N-1th local backlight area and the previous local backlight area on the backlight unit in the target direction of the liquid crystal display panel, where N is an integer greater than 1; wherein the final number of pixels of the first local backlight area is obtained based on the initial number of pixels corresponding to each local backlight area in the target direction;

[0008] Determining a preset number of pixels corresponding to the N-1th local backlight area in the target direction based on the remaining number of pixels and the number of remaining local backlight areas corresponding to the N-1th local backlight area;

[0009] Determine, according to the preset number of pixels, a final number of pixels corresponding to the Nth local backlight area in the target direction;

[0010] Based on the Nth local backlight area, backlight is provided for pixels of a final number of pixels of the Nth local backlight area.

[0011] In a possible implementation manner, the target direction includes a first direction and a second direction, and the first direction and the second direction are two directions perpendicular to each other;

[0012] Based on the Nth local backlight area, providing backlight for a final number of pixels of the Nth local backlight area, comprising:

[0013] Determine the final number of pixels corresponding to the Nth local backlight area according to a first sub-final number of pixels corresponding to the Nth local backlight area in the first direction and a second sub-final number of pixels corresponding to the second direction;

[0014] Based on the Nth local backlight area, backlight is provided for pixels of a final number of pixels corresponding to the Nth local backlight area.

[0015] In a possible implementation, the method further includes:

[0016] Determining, according to the total number of pixels in the target direction of the liquid crystal display panel and the number of local backlight areas on the backlight unit, the initial number of pixels corresponding to each local backlight area in the target direction;

[0017] According to the initial number of pixels, a final number of pixels corresponding to the first local backlight area in the target direction is determined.

[0018] In a possible implementation manner, determining, according to the initial number of pixels, a final number of pixels corresponding to the first local backlight area in the target direction includes:

[0019] When the initial number of pixels is an integer, determining the final number of pixels corresponding to the first local backlight area in the target direction as the initial number of pixels;

[0020] When the initial number of pixels includes a decimal, the initial number of pixels is rounded to obtain a final number of pixels corresponding to the first local backlight area in the target direction;

[0021] The determining, according to the preset number of pixels, a final number of pixels corresponding to the Nth local backlight area in the target direction includes:

[0022] When the preset number of pixels is an integer, determining that the final number of pixels corresponding to the Nth local backlight area in the target direction is the preset number of pixels;

[0023] When the preset number of pixels includes a decimal, the preset number of pixels is rounded to obtain a final number of pixels corresponding to the Nth local backlight area in the target direction.

[0024] In a possible implementation manner, the rounding method of the initial pixel number and the preset pixel number includes at least one of the following:

[0025] Round, truncate, and floor.

[0026] In a possible implementation manner, determining the number of remaining pixels corresponding to the N-1th local backlight area in the target direction of the liquid crystal display panel according to the final number of pixels corresponding to the N-1th local backlight area and the previous local backlight area on the backlight unit includes:

[0027] Sorting each local backlight area on the backlight unit to determine an identification number of each local backlight area;

[0028] Based on the N-1th local backlight area on the backlight unit and the latest number of pixels corresponding to the target direction of the liquid crystal display panel of all local backlight areas whose identification numbers are before the identification number of the N-1th local backlight area, the remaining number of pixels corresponding to the N-1th local backlight area in the target direction is determined.

[0029] In a second aspect, an embodiment of the present application provides a pixel matching device, comprising:

[0030] A first processing module, for determining the number of remaining pixels corresponding to the N-1th local backlight area and the previous local backlight areas on the backlight unit in the target direction of the liquid crystal display panel according to the final number of pixels corresponding to the N-1th local backlight area and the previous local backlight area on the backlight unit in the target direction, where N is an integer greater than 1; wherein the final number of pixels of the first local backlight area is obtained based on the initial number of pixels corresponding to each local backlight area in the target direction;

[0031] A second processing module, configured to determine a preset number of pixels corresponding to the N-1th local backlight area in the target direction based on the number of remaining pixels and the number of remaining local backlight areas corresponding to the N-1th local backlight area;

[0032] A third processing module, configured to determine a final number of pixels corresponding to the Nth local backlight area in the target direction according to the preset number of pixels;

[0033] The fourth processing module is used to provide backlight for pixels of a final number of pixels of the Nth local backlight area based on the Nth local backlight area.

[0034] In a third aspect, an embodiment of the present application provides an electronic device, including: a memory, a processor;

[0035] The memory stores computer-executable instructions;

[0036] The processor executes the computer-executable instructions stored in the memory, so that the processor executes the above first aspect and / or various possible implementations of the first aspect.

[0037] In a fourth aspect, an embodiment of the present application provides a computer-readable storage medium, in which computer-executable instructions are stored. When the computer-executable instructions are executed by a processor, they are used to implement the first aspect above and / or various possible implementations of the first aspect.

[0038] In a fifth aspect, an embodiment of the present application provides a computer program product, including a computer program, which, when executed by a processor, implements the above first aspect and / or various possible implementation methods of the first aspect.

[0039] The pixel matching method, device, electronic device, storage medium and program product provided in the embodiments of the present application determine the remaining number of pixels corresponding to the N-1th local backlight area in the target direction of the liquid crystal display panel based on the final number of pixels corresponding to the N-1th local backlight area and the previous local backlight areas on the backlight unit, and then determine the preset number of pixels corresponding to the N-1th local backlight area in the target direction based on the remaining number of pixels and the number of remaining local backlight areas corresponding to the N-1th local backlight area, and determine the final number of pixels corresponding to the Nth local backlight area in the target direction based on the preset number of pixels, so that the final number of pixels corresponding to each local backlight area can be made close, so that the pixels on the liquid crystal display panel are divided as evenly as possible into each local backlight area. BRIEF DESCRIPTION OF THE DRAWINGS

[0040] The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the present application and, together with the description, serve to explain the principles of the present application.

[0041] Figure 1 is a structural schematic diagram of a display device;

[0042] Figure 2 is a schematic diagram of the structure of another display device;

[0043] Figure 3 is a schematic diagram of the structure of yet another display device;

[0044] Figure 4 A schematic diagram of a process flow of a pixel matching method provided in an embodiment of the present application;

[0045] Figure 5 A schematic diagram of pixel matching provided in an embodiment of the present application;

[0046] Figure 6A schematic diagram of pixel matching provided by another embodiment of the present application;

[0047] Figure 7 A schematic diagram of the structure of a pixel matching device provided in one embodiment of the present application;

[0048] Figure 8 A schematic diagram of the structure of the electronic device provided in this application.

[0049] The above drawings have shown clear embodiments of the present application, which will be described in more detail later. These drawings and text descriptions are not intended to limit the scope of the present application in any way, but to illustrate the concept of the present application to those skilled in the art by referring to specific embodiments. DETAILED DESCRIPTION

[0050] Exemplary embodiments will be described in detail herein, examples of which are shown in the accompanying drawings. When the following description refers to the drawings, the same numbers in different drawings represent the same or similar elements unless otherwise indicated. The implementations described in the following exemplary embodiments do not represent all implementations consistent with the present application. Instead, they are merely examples of devices and methods consistent with some aspects of the present application as detailed in the appended claims.

[0051] Figure 1 A schematic diagram of the structure of a display device is shown. Figure 1 As shown, the display device includes a timing controller (TCON) 400, a backlight controller (Dimmer Controller) 300, a backlight unit 100 (BLU) and a liquid crystal display panel (Liquid Crystal Display) 200. The backlight unit 100 may include a plurality of backlight drivers 10 arranged in an array, and a plurality of light sources 30 connected to each backlight driver 10, and the light source 30 may be, for example, a light-emitting diode (LED).

[0052] The timing controller 400 is used to generate display data (Display Data) and local dimming data (Local dimming data) according to the video data output by the video source (such as a graphics card, a video processor), and send the display data to the liquid crystal display panel 200, and send the local dimming data to the backlight controller 300. The backlight controller 300 is used to send the local dimming data of each local backlight area (Local Dimming Zone) in the backlight unit to the corresponding backlight driver 10. The backlight driver 10 provides a backlight drive signal to the light source 30, and the backlight drive signal can control the luminous brightness of the light source 30, thereby providing backlights of different brightness. The display data includes the brightness value and color depth of each pixel on the liquid crystal display panel 200, and the liquid crystal display panel 200 displays an image based on the display data.

[0053] It should be noted that a local backlight area can be composed of one to several light sources, and the pixels on the LCD panel that match the local dimming area can include n*m ​​pixels, which are called the number of pixels corresponding to the local backlight area (Pixel Per Zone).

[0054] However, with the improvement of people's quality of life and diversified needs, AM mini-LED (Active Matrix mini Light-emitting Diode) display devices are gradually becoming larger and more high-performance. In order to support larger display sizes and resolutions, display devices require more light sources to provide uniform backlighting. In order to achieve more precise local dimming, the display area needs to be divided into more local backlight areas, and the number of local backlight areas is gradually increasing. Figure 2 As shown in FIG. 1 , the number of pixels on the LCD panel that matches a local backlight area gradually decreases, as shown in FIG. Figure 3 As shown, the number of pixels corresponding to the local backlight area gradually decreases.

[0055] The applicant has found that as the number of local backlight areas increases, it becomes more important to distribute the pixels on the liquid crystal display panel as evenly as possible in each local backlight area for the following reasons:

[0056] 1. Fine brightness control: Increasing the number of local backlight zones enables finer brightness control. To take full advantage of this fine control, pixels need to be evenly distributed to ensure that each zone can adjust its brightness independently, resulting in higher contrast and deeper blacks.

[0057] 2. Reduce the halo effect: The halo effect is caused by the backlight of the bright area overflowing into the dark area. When the number of local backlight areas is small, the area of ​​the LCD panel corresponding to each area is large, and the backlight of the bright area is more likely to affect the backlight of the dark area. When the number of local backlight areas is large, the brightness of each area can be controlled more accurately, reducing the halo effect, and evenly distributed pixels can make the control of each backlight area more precise.

[0058] 3. Improve image consistency: When the number of backlight zones increases, uniform pixel distribution helps maintain image consistency and uniformity. This avoids certain areas from being too bright or too dark, ensuring consistent visual effects across the entire screen.

[0059] 4. Optimize energy efficiency: More backlight zones mean more fine-grained control over which areas need to be brighter and which areas can be dimmed. Evenly distributed pixels make this control more effective, thereby optimizing energy efficiency and reducing unnecessary energy consumption.

[0060] 5. Enhanced dynamic range: By increasing the local backlight area and evenly distributing pixels, the display can better support high dynamic range (HDR). This means that very bright and very dark details can be displayed simultaneously in the same picture, improving the visual experience.

[0061] Therefore, how to divide the pixels on the liquid crystal display panel into each local backlight area as evenly as possible is a relatively important issue.

[0062] To this end, the present application provides a pixel matching method, which determines the remaining number of pixels corresponding to the N-1th local backlight area and the previous local backlight areas on the backlight unit in the target direction of the liquid crystal display panel, and then determines the preset number of pixels corresponding to the N-1th local backlight area in the target direction based on the remaining number of pixels and the number of remaining local backlight areas corresponding to the N-1th local backlight area, and determines the final number of pixels corresponding to the Nth local backlight area in the target direction based on the preset number of pixels, so that the final number of pixels corresponding to each local backlight area can be made close, so that the pixels on the liquid crystal display panel are divided as evenly as possible into each local backlight area.

[0063] The technical solution of the present application and how the technical solution of the present application solves the above-mentioned technical problems are described in detail below with specific embodiments. The following specific embodiments can be combined with each other, and the same or similar concepts or processes may not be repeated in some embodiments. The embodiments of the present application will be described below in conjunction with the accompanying drawings.

[0064] Figure 4 A flowchart of the pixel matching method provided in this application is shown in FIG. Figure 4 As shown, the method includes:

[0065] S101, determining the number of remaining pixels corresponding to the N-1th local backlight area in the target direction according to the final number of pixels corresponding to the N-1th local backlight area and the previous local backlight areas on the backlight unit in the target direction of the liquid crystal display panel.

[0066] Wherein, N is an integer greater than 1. The final number of pixels corresponding to the first local backlight area in the target direction is obtained based on the initial number of pixels corresponding to each local backlight area in the target direction.

[0067] In some examples, based on the total number of pixels in the target direction of the liquid crystal display panel and the number of local backlight areas on the backlight unit, the corresponding initial number of pixels of each local backlight area in the target direction is determined, and based on the initial number of pixels, the corresponding final number of pixels of the first local backlight area in the target direction is determined, so that the final number of pixels corresponding to the first local backlight area in the target direction is near the initial number of pixels, so that the final number of pixels corresponding to each local backlight area can be made close subsequently, so that the pixels on the liquid crystal display panel are divided as evenly as possible into each local backlight area.

[0068] For example, the target direction may include a first direction and a second direction, the first direction and the second direction are two directions perpendicular to each other, and the number of local backlight areas on the backlight unit refers to the number of all local backlight areas on the backlight unit.

[0069] Accordingly, the final number of pixels corresponding to the first local backlight area in the first direction can be determined according to the total number of pixels in the first direction on the liquid crystal display panel and the number of local backlight areas on the backlight unit. The final number of pixels corresponding to the first local backlight area in the second direction can also be determined according to the total number of pixels in the second direction on the liquid crystal display panel and the number of local backlight areas on the backlight unit.

[0070] It should be noted that the initial number of pixels corresponding to each local backlight area in the first direction is the same, so the final number of pixels corresponding to the first local backlight area in the first direction can be determined according to the initial number of pixels corresponding to any local backlight area in the first direction.

[0071] The initial number of pixels corresponding to each local backlight area in the second direction may also be determined based on the total number of pixels in the second direction on the liquid crystal display panel and the number of local backlight areas on the backlight unit. It should be noted that the initial number of pixels corresponding to each local backlight area in the second direction is the same, so the final number of pixels corresponding to the first local backlight area in the second direction may be determined based on the initial number of pixels corresponding to any local backlight area in the second direction.

[0072] Specifically, the total number of pixels in the first direction and the total number of pixels in the second direction on the liquid crystal display panel can be obtained, and then a first ratio between the total number of pixels in the first direction and the number of local backlight areas on the backlight unit can be calculated, so as to obtain the initial number of pixels in each local backlight area in the first direction. A second ratio between the total number of pixels in the second direction and the number of local backlight areas on the backlight unit can also be calculated, so as to obtain the initial number of pixels in each local backlight area in the second direction.

[0073] For example, the number of pixels of the liquid crystal display panel in the first direction is 3840, and the resolution can be 4K. The number of local backlight areas on the backlight unit is 20, and the initial number of pixels corresponding to each local backlight area in the first direction is 3840 / 20=192.

[0074] For another example, the number of pixels of the liquid crystal display panel in the first direction is 3840, and the number of local backlight areas on the backlight unit is 25, then the initial number of pixels corresponding to each local backlight area in the first direction is 3840 / 25=153.6.

[0075] In practical applications, the pixels on the liquid crystal display panel may be arranged in an array, the number of pixels in the first direction may be the number of pixels in a row, and the number of pixels in the second direction may be the number of pixels in a column. Conversely, the number of pixels in the first direction may be the number of pixels in a column, and the number of pixels in the second direction may be the number of pixels in a row.

[0076] In one embodiment, when the initial number of pixels is an integer, the final number of pixels corresponding to the first local backlight area in the target direction is determined to be the initial number of pixels corresponding to any local backlight area in the target direction, that is, no rounding operation is performed, simplifying the operation process. When the initial number of pixels includes a decimal, that is, the initial number of pixels corresponding to any local backlight area in the target direction is rounded to obtain the final number of pixels corresponding to the first local backlight area in the target direction.

[0077] For example, after determining the initial number of pixels corresponding to each local backlight area in the first direction, if the initial number of pixels corresponding to the first direction is an integer, determine the final number of pixels corresponding to the first local backlight area in the first direction as the initial number of pixels corresponding to the first direction; if the initial number of pixels corresponding to the first direction is not an integer, round the initial number of pixels corresponding to the first direction to obtain the final number of pixels corresponding to the first local backlight area in the first direction.

[0078] After determining the initial number of pixels corresponding to each local backlight area in the second direction, if the initial number of pixels corresponding to the second direction is an integer, determine the final number of pixels corresponding to the first local backlight area in the second direction as the initial number of pixels corresponding to the second direction; if the initial number of pixels corresponding to the second direction is not an integer, round the initial number of pixels corresponding to the second direction to obtain the final number of pixels corresponding to the first local backlight area in the second direction.

[0079] In some examples, when the initial number of pixels includes decimals, the initial number of pixels may be rounded up, rounded up, or rounded down.

[0080] It is understandable that after determining the final number of pixels of the first local backlight area in the target direction, the corresponding remaining number of pixels of the first local backlight area in the target direction can be determined based on the final number of pixels of the first local backlight area in the target direction. After determining the final number of pixels of the second local backlight area in the target direction, the remaining number of pixels of the second local backlight area in the target direction can be determined based on the final number of pixels of the second local backlight area and the first local backlight area in the target direction.

[0081] In some examples, the local backlight areas on the backlight unit may be sorted, the identification number of each local backlight area may be determined, and the number of remaining pixels corresponding to the target direction of the N-1 local backlight area may be determined based on the final number of pixels of the N-1 local backlight area on the backlight unit and all local backlight areas whose identification numbers are before the identification number of the N-1 local backlight area. For example, the local backlight areas on the backlight unit may be sorted in order from small to large to determine the identification number of each local backlight area.

[0082] For example, the serial number of the local backlight area is 1, which is determined as the first local backlight area; the serial number of the local backlight area is 2, which is determined as the second local backlight area; and so on. The serial number of the local backlight area is N, which is determined as the Nth local backlight area. If there are no other local backlight areas subsequently, the Nth local backlight area is determined to be the last local backlight area, and the number of local backlight areas on the backlight unit is N.

[0083] In other examples, the order of positions may be determined based on the final number of pixels corresponding to the N-1th local backlight area on the backlight unit and all local backlight areas located before the N-1th local backlight area in the target direction of the liquid crystal display panel. For example, the order of positions may be determined from left to right and from top to bottom.

[0084] In this step, the number of pixels in the target direction on the LCD panel is subtracted from the final number of pixels corresponding to the N-1th local backlight area and the previous local backlight area in the target direction of the LCD panel to obtain the remaining number of pixels corresponding to the N-1th local backlight area in the target direction.

[0085] For example, if N is 2, the number of pixels of the LCD display panel in the target direction is subtracted from the final number of pixels of the first local backlight area in the target direction to obtain the remaining number of pixels corresponding to the first local backlight area in the target direction; if N is 3, the number of pixels of the LCD display panel in the target direction is subtracted from the final number of pixels of the first local backlight area and the second local backlight area in the target direction to obtain the remaining number of pixels corresponding to the second local backlight area in the target direction.

[0086] For example, the number of remaining pixels corresponding to the N-1th local backlight area in the first direction may be determined based on the final number of pixels corresponding to the N-1th local backlight area and the previous local backlight area in the first direction. The number of remaining pixels corresponding to the N-1th local backlight area in the second direction may also be determined based on the final number of pixels corresponding to the N-1th local backlight area and the previous local backlight area in the second direction.

[0087] S102 : Determine a preset number of pixels corresponding to the N-1 th local backlight area in a target direction based on the number of remaining pixels and the number of remaining local backlight areas corresponding to the N-1 th local backlight area.

[0088] The remaining local backlight areas corresponding to the N-1th local backlight area include all local backlight areas after the N-1th local backlight area, for example, all local backlight areas after the N-1th local backlight area.

[0089] In this step, the preset number of pixels corresponding to the N-1th local backlight area in the target direction is determined based on the ratio of the number of remaining pixels corresponding to the N-1th local backlight area in the target direction and the number of remaining local backlight areas corresponding to the N-1th local backlight area.

[0090] For example, the preset number of pixels corresponding to the N-1th local backlight area in the first direction may be determined according to the remaining number of pixels corresponding to the N-1th local backlight area in the first direction and the number of remaining local backlight areas.

[0091] The preset number of pixels corresponding to the N-1th local backlight area in the second direction may be determined according to the remaining number of pixels corresponding to the N-1th local backlight area in the second direction and the number of remaining local backlight areas.

[0092] S103 . Determine a final number of pixels corresponding to the Nth local backlight area in the target direction based on a preset number of pixels.

[0093] In an embodiment of the present application, the final number of pixels corresponding to the Nth local backlight area in the target direction is determined based on the preset number of pixels corresponding to the N-1th local backlight area in the target direction, so that the final number of pixels corresponding to each local backlight area in the target direction is similar. For example, the final number of pixels corresponding to any two local backlight areas in the target direction differs by at most 1, so that the pixels on the liquid crystal display panel are divided as evenly as possible into each local backlight area.

[0094] For example, the final number of pixels corresponding to the Nth local backlight area in the first direction is determined according to the preset number of pixels corresponding to the N-1th local backlight area in the first direction. The final number of pixels corresponding to the Nth local backlight area in the second direction is determined according to the preset number of pixels corresponding to the N-1th local backlight area in the second direction.

[0095] In some embodiments, when the preset number of pixels corresponding to the N-1th local backlight area in the target direction is an integer, the final number of pixels corresponding to the N-1th local backlight area is determined to be the preset number of pixels corresponding to the N-1th local backlight area in the target direction, simplifying the operation. When the preset number of pixels corresponding to the N-1th local backlight area in the target direction includes a decimal, the preset number of pixels corresponding to the N-1th local backlight area in the target direction is rounded to obtain the final number of pixels corresponding to the N-1th local backlight area in the target direction, ensuring that the number of pixels corresponding to the final number of pixels can be matched.

[0096] In some examples, the initial number of pixels and the preset number of pixels may be rounded to ensure that the final number of pixels corresponding to each local backlight area is an integer, thereby matching the corresponding number of pixels for the local backlight area.

[0097] Table 1

[0098]

[0099]

[0100] As shown in Table 1, taking the case where the number of pixels in the first direction on the liquid crystal display panel is 3840 and the number of local backlight areas on the backlight unit is 25, the initial number of pixels is 3840 / 25=153.6.

[0101] The initial number of pixels is rounded off, and the final number of pixels corresponding to the first local backlight area is 154; based on the final number of pixels corresponding to the first local backlight area in the first direction, the remaining number of pixels corresponding to the first local backlight area in the first direction is determined to be 3840-154=3686; based on the remaining number of pixels corresponding to the first local backlight area in the first direction and the number of remaining local backlight areas, the preset number of pixels corresponding to the first local backlight area in the first direction is determined to be 3686 / 24=153.583333; the preset number of pixels is rounded off, and the final number of pixels corresponding to the second local backlight area in the first direction is 154.

[0102] The final number of pixels corresponding to the second local backlight area in the first direction is 154. According to the final number of pixels corresponding to the second local backlight area in the first direction and the final number of pixels corresponding to the first local backlight area in the first direction, the remaining number of pixels corresponding to the second local backlight area in the first direction is determined to be 3840-154-154=3532; according to the remaining number of pixels corresponding to the second local backlight area in the first direction and the number of remaining local backlight areas, the preset number of pixels corresponding to the second local backlight area in the first direction is determined to be 3532 / 23=153.562174; the preset number of pixels is rounded off, and the final number of pixels corresponding to the third local backlight area in the first direction is 154.

[0103] By analogy, the final number of pixels corresponding to the 24th local backlight area in the first direction is 154. According to the final number of pixels corresponding to the first local backlight area to the 24th local backlight area in the first direction, the remaining number of pixels corresponding to the 24th local backlight area in the first direction is determined to be 153; according to the remaining number of pixels corresponding to the 24th local backlight area in the first direction and the number of remaining local backlight areas, the preset number of pixels corresponding to the 24th local backlight area in the first direction is determined to be 153 / 1=153; at this time, it is not necessary to round up, and the final number of pixels corresponding to the 25th local backlight area in the first direction is determined to be 153. Accordingly, the remaining number of pixels corresponding to the 25th local backlight area in the first direction is 0, thereby determining the final number of pixels corresponding to each local backlight area in the first direction.

[0104] Accordingly, taking Table 2 as an example, each local backlight area can provide backlight for pixels matching the final number of pixels in the first direction, such as Figure 5 As shown, the first local backlight area provides backlight for 154 pixels in the first direction, the second local backlight area provides backlight for 154 pixels in the first direction, the twenty-fourth local backlight area provides backlight for 154 pixels in the first direction, and the twenty-fifth local backlight area provides backlight for 153 pixels in the first direction.

[0105] It can be seen from Table 1 that, through the above implementation, the final number of pixels corresponding to each local backlight area in the target direction is close, for example, the final number of pixels corresponding to any two local backlight areas in the target direction differs by at most 1, so that the pixels of the liquid crystal display panel in the target direction are divided as evenly as possible in the various local backlight areas, and further the pixels on the liquid crystal display panel are divided as evenly as possible in the various local backlight areas.

[0106] In some examples, the initial number of pixels and the preset number of pixels may be rounded up to ensure that the final number of pixels corresponding to each local backlight area is an integer, thereby matching the corresponding number of pixels for the local backlight area.

[0107] Table 2

[0108]

[0109] As shown in Table 2, taking the example that the number of pixels in the first direction on the liquid crystal display panel is 3840 and the number of local backlight areas on the backlight unit is 25, the initial number of pixels is 3840 / 25=153.6.

[0110] The initial number of pixels is rounded up to an integer, and the final number of pixels corresponding to the first local backlight area is 154; based on the final number of pixels corresponding to the first local backlight area in the first direction, the remaining number of pixels corresponding to the first local backlight area in the first direction is determined to be 3840-154=3686; based on the remaining number of pixels corresponding to the first local backlight area in the first direction and the number of remaining local backlight areas, the preset number of pixels corresponding to the first local backlight area in the first direction is determined to be 3686 / 24=153.583333; the preset number of pixels is rounded up to an integer, and the final number of pixels corresponding to the second local backlight area in the first direction is 154.

[0111] The final number of pixels corresponding to the second local backlight area in the first direction is 154. According to the final number of pixels corresponding to the second local backlight area in the first direction and the maximum number of pixels corresponding to the first local backlight area in the first direction, the remaining number of pixels corresponding to the second local backlight area in the first direction is determined to be 3840-154-154=3532; according to the remaining number of pixels corresponding to the second local backlight area in the first direction and the number of remaining local backlight areas, the preset number of pixels corresponding to the second local backlight area in the first direction is determined to be 3532 / 23=153.562174; the preset number of pixels is rounded up to obtain the final number of pixels corresponding to the third local backlight area in the first direction is 154.

[0112] The final number of pixels corresponding to the third local backlight area in the first direction is 154. According to the final number of pixels corresponding to the first local backlight area to the third local backlight area in the first direction, the remaining number of pixels corresponding to the third local backlight area in the first direction is determined to be 3840-154-154-154=3378; according to the remaining number of pixels corresponding to the third local backlight area in the first direction and the number of remaining local backlight areas, the preset number of pixels corresponding to the third local backlight area in the first direction is determined to be 3378 / 22=153.5454545; the preset number of pixels is rounded up, and the final number of pixels corresponding to the fourth local backlight area in the first direction is 153.

[0113] By analogy, the final number of pixels corresponding to the 24th local backlight area in the first direction is 153. According to the final number of pixels corresponding to the first local backlight area to the 24th local backlight area in the first direction, the remaining number of pixels corresponding to the 24th local backlight area in the first direction is determined to be 153; according to the remaining number of pixels corresponding to the 24th local backlight area in the first direction and the number of remaining local backlight areas, the preset number of pixels corresponding to the 24th local backlight area in the first direction is determined to be 153 / 1=153; at this time, it is not necessary to round up, and the final number of pixels corresponding to the 25th local backlight area in the first direction is determined to be 153. Accordingly, the remaining number of pixels corresponding to the 25th local backlight area in the first direction is 0, thereby determining the final number of pixels corresponding to each local backlight area in the first direction.

[0114] It can be seen from Table 2 that, through the above implementation, the final number of pixels corresponding to each local backlight area in the target direction is close, for example, the final number of pixels corresponding to any two local backlight areas in the target direction differs by at most 1, so that the pixels of the liquid crystal display panel in the target direction are divided as evenly as possible in the various local backlight areas, and further the pixels on the liquid crystal display panel are divided as evenly as possible in the various local backlight areas.

[0115] Table 3

[0116]

[0117]

[0118] As shown in Table 3, taking the example that the number of pixels in the first direction on the liquid crystal display panel is 3840 and the number of local backlight areas on the backlight unit is 25, the initial number of pixels is 3840 / 25=153.6.

[0119] The initial number of pixels is rounded down to an integer, and the final number of pixels corresponding to the first local backlight area is 153; based on the final number of pixels corresponding to the first local backlight area in the first direction, the remaining number of pixels corresponding to the first local backlight area in the first direction is determined to be 3840-153=3687; based on the remaining number of pixels corresponding to the first local backlight area in the first direction and the number of remaining local backlight areas, the preset number of pixels corresponding to the first local backlight area in the first direction is determined to be 3687 / 24=153.625; the preset number of pixels is rounded down to an integer, and the final number of pixels corresponding to the second local backlight area in the first direction is 153.

[0120] The final number of pixels corresponding to the second local backlight area in the first direction is 153. According to the final number of pixels corresponding to the second local backlight area in the first direction and the maximum number of pixels corresponding to the first local backlight area in the first direction, the remaining number of pixels corresponding to the second local backlight area in the first direction is determined to be 3840-153-153=3534; according to the remaining number of pixels corresponding to the second local backlight area in the first direction and the number of remaining local backlight areas, the preset number of pixels corresponding to the second local backlight area in the first direction is determined to be 3534 / 23=153.6818182; the preset number of pixels is rounded down to obtain the final number of pixels corresponding to the third local backlight area in the first direction is 153.

[0121] By analogy, the final number of pixels corresponding to the 24th local backlight area in the first direction is 14. According to the final number of pixels corresponding to the first local backlight area to the 24th local backlight area in the first direction, the remaining number of pixels corresponding to the 24th local backlight area in the first direction is determined to be 154; according to the remaining number of pixels corresponding to the 24th local backlight area in the first direction and the number of remaining local backlight areas, the preset number of pixels corresponding to the 24th local backlight area in the first direction is determined to be 154 / 1=153; at this time, it is not necessary to round up, and the final number of pixels corresponding to the 25th local backlight area in the first direction is determined to be 154. Accordingly, the remaining number of pixels corresponding to the 25th local backlight area in the first direction is 0, thereby determining the final number of pixels corresponding to each local backlight area in the first direction.

[0122] It can be seen from Table 3 that, through the above implementation, the final number of pixels corresponding to each local backlight area in the target direction is close, for example, the final number of pixels corresponding to any two local backlight areas in the target direction differs by at most 1, so that the pixels of the liquid crystal display panel in the target direction are divided as evenly as possible in the various local backlight areas, and further the pixels on the liquid crystal display panel are divided as evenly as possible in the various local backlight areas.

[0123] In other embodiments, if the initial number of pixels and the preset number of pixels are integers, there is no need to round them up, and accordingly, the final number of pixels corresponding to each local backlight area is the same, that is, the initial number of pixels.

[0124] Table 4

[0125]

[0126]

[0127] As shown in Table 4, the initial number of pixels of each local backlight area pair is 192, that is, the final number of pixels corresponding to each local backlight area is 192. Accordingly, each local backlight area can provide backlight for 192 pixels in the first direction. Figure 6 shown.

[0128] At this point, the final number of pixels corresponding to each local backlight area can be obtained.

[0129] S104 . Based on the Nth local backlight area, provide backlight for pixels having a final number of pixels in the Nth local backlight area.

[0130] In some embodiments, the target direction may include a first direction and a second direction, so the first sub-final pixel number corresponding to each local backlight area in the first direction and the second sub-final pixel number corresponding to each local backlight area in the second direction can be obtained based on steps S101-S103.

[0131] Then, the final number of pixels corresponding to the Nth local backlight area can be determined based on the first final number of pixels corresponding to the Nth local backlight area in the first direction and the second final number of pixels corresponding to the second direction, and based on the Nth local backlight area, backlight is provided for pixels matching the final number of pixels corresponding to the Nth local backlight area.

[0132] For example, the first sub-final pixel number corresponding to the Nth local backlight area in the first direction and the second sub-final pixel number corresponding to the Nth local backlight area in the second direction are multiplied to obtain the final pixel number corresponding to the Nth local backlight area.

[0133] For example, the first sub-final pixel number corresponding to the first local backlight area in the first direction is 192, and the second sub-final pixel number corresponding to the first local backlight area in the second direction is 193. Then the final pixel number corresponding to the first local backlight area is 192×193=37056, that is, the first local backlight area can provide backlight for 37056 pixels.

[0134] The pixel matching method provided in the embodiment of the present application determines the remaining number of pixels corresponding to the N-1th local backlight area in the target direction of the liquid crystal display panel based on the final number of pixels corresponding to the N-1th local backlight area and the previous local backlight areas on the backlight unit, and then determines the preset number of pixels corresponding to the N-1th local backlight area in the target direction based on the remaining number of pixels and the number of remaining local backlight areas corresponding to the N-1th local backlight area, and determines the final number of pixels corresponding to the Nth local backlight area in the target direction based on the preset number of pixels, so that the final number of pixels corresponding to each local backlight area can be made close, so that the pixels on the liquid crystal display panel are divided as evenly as possible into each local backlight area.

[0135] Figure 7 A schematic diagram of the structure of the pixel matching device provided in this application is shown in FIG. Figure 7 As shown, the pixel matching device 10 provided in this embodiment includes:

[0136] The first processing module 11 is used to determine the number of remaining pixels corresponding to the N-1th local backlight area in the target direction of the liquid crystal display panel according to the final number of pixels corresponding to the N-1th local backlight area and the previous local backlight area on the backlight unit in the target direction, where N is an integer greater than 1; wherein the final number of pixels of the first local backlight area is obtained based on the initial number of pixels corresponding to each local backlight area in the target direction;

[0137] The second processing module 12 is used to determine the preset number of pixels corresponding to the N-1th local backlight area in the target direction based on the number of remaining pixels and the number of remaining local backlight areas corresponding to the N-1th local backlight area;

[0138] A third processing module 13 is used to determine the final number of pixels corresponding to the Nth local backlight area in the target direction according to a preset number of pixels;

[0139] The fourth processing module 14 is configured to provide backlight for pixels of a final number of pixels of the Nth local backlight area based on the Nth local backlight area.

[0140] In a possible embodiment, the target direction includes a first direction and a second direction, and the first direction and the second direction are two directions perpendicular to each other; the fourth processing module 14 is specifically used to determine the final number of pixels corresponding to the Nth local backlight area based on the first sub-final number of pixels corresponding to the Nth local backlight area in the first direction and the second sub-final number of pixels corresponding to the second direction; based on the Nth local backlight area, provide backlight for the pixels of the final number of pixels corresponding to the Nth local backlight area.

[0141] In a possible embodiment, the first processing module 11 is also used to determine the initial number of pixels corresponding to each local backlight area in the target direction based on the total number of pixels in the target direction of the liquid crystal panel and the number of local backlight areas on the backlight unit; and determine the final number of pixels corresponding to the first local backlight area in the target direction based on the initial number of pixels.

[0142] In a possible implementation, the first processing module 11 is specifically configured to determine, when the initial pixel number is an integer, a final pixel number corresponding to the first local backlight area in the target direction as the initial pixel number; when the initial pixel number includes a decimal, round the initial pixel number to obtain a final pixel number corresponding to the first local backlight area in the target direction;

[0143] The third processing module 13 is specifically used to determine that the final number of pixels corresponding to the Nth local backlight area in the target direction is the preset number of pixels when the preset number of pixels is an integer; when the preset number of pixels includes a decimal, round the preset number of pixels to obtain the final number of pixels corresponding to the Nth local backlight area in the target direction.

[0144] In a possible implementation, the first processing module 11 is specifically configured to round the initial number of pixels to an integer; and the third processing module 13 is specifically configured to round the preset number of pixels to an integer.

[0145] In a possible implementation, the first processing module 11 is specifically used to round up the initial number of pixels; and the third processing module 13 is specifically used to round up the preset number of pixels.

[0146] In a possible implementation, the first processing module 11 is specifically configured to round the initial number of pixels by rounding down; and the third processing module 13 is specifically configured to round the preset number of pixels by rounding down.

[0147] In some embodiments, the first processing module 11 is specifically used to sort each local backlight area on the backlight unit and determine the identification number of each local backlight area; based on the latest number of pixels corresponding to the target direction of the liquid crystal display panel of the N-1th local backlight area on the backlight unit and all local backlight areas whose identification numbers are before the identification number of the N-1th local backlight area, determine the remaining number of pixels corresponding to the N-1th local backlight area in the target direction.

[0148] The pixel matching device provided in this embodiment can execute the method provided in the above method embodiment. Its implementation principle and technical effect are similar, and this embodiment will not be described in detail here.

[0149] Figure 8 This is a schematic diagram of the structure of the electronic device provided in this application. Figure 8 As shown, the electronic device 50 provided in this embodiment includes: at least one processor 501 and a memory 502. Optionally, the device 50 also includes a communication component 503. The processor 501, the memory 502 and the communication component 503 are connected via a bus 504.

[0150] In a specific implementation process, at least one processor 501 executes the computer-executable instructions stored in the memory 502, so that at least one processor 501 executes the above method.

[0151] The specific implementation process of the processor 501 can be found in the above method embodiment, and its implementation principle and technical effect are similar, so this embodiment will not be repeated here.

[0152] In the above embodiments, it should be understood that the processor may be a central processing unit (CPU), or other general-purpose processors, digital signal processors (DSP), application-specific integrated circuits (ASIC), etc. A general-purpose processor may be a microprocessor or any conventional processor. The steps of the method disclosed in the invention may be directly implemented as being executed by a hardware processor, or may be executed by a combination of hardware and software modules in the processor.

[0153] The memory may include a high-speed memory (Random Access Memory, RAM), and may also include a non-volatile memory (Non-volatile Memory, NVM), such as at least one disk memory.

[0154] The bus may be an Industry Standard Architecture (ISA) bus, a Peripheral Component Interconnect (PCI) bus, or an Extended Industry Standard Architecture (EISA) bus, etc. The bus may be divided into an address bus, a data bus, a control bus, etc. For ease of representation, the bus in the drawings of the present application is not limited to only one bus or one type of bus.

[0155] The present application also provides a computer program product, including a computer program, which implements the above method when executed by a processor.

[0156] The present application also provides a computer-readable storage medium, in which computer-executable instructions are stored. When a processor executes the computer-executable instructions, the above method is implemented.

[0157] The above-mentioned readable storage medium can be implemented by any type of volatile or non-volatile storage device or a combination thereof, such as static random access memory (SRAM), electrically erasable programmable read-only memory (EEPROM), erasable programmable read-only memory (EPROM), programmable read-only memory (PROM), read-only memory (ROM), magnetic memory, flash memory, magnetic disk or optical disk. The readable storage medium can be any available medium that can be accessed by a general or special-purpose computer.

[0158] An exemplary readable storage medium is coupled to a processor so that the processor can read information from the readable storage medium and write information to the readable storage medium. Of course, the readable storage medium can also be a component of the processor. The processor and the readable storage medium can be located in an application specific integrated circuit (Application Specific Integrated Circuits, referred to as: ASIC). Of course, the processor and the readable storage medium can also exist in the device as discrete components.

[0159] The division of units is only a logical function division, and there may be other divisions in actual implementation, such as multiple units or components can be combined or integrated into another system, or some features can be ignored or not executed. Another point is that the mutual coupling or direct coupling or communication connection shown or discussed can be an indirect coupling or communication connection through some interface, device or unit, which can be electrical, mechanical or other forms.

[0160] The units described as separate components may or may not be physically separated, and the components shown as units may or may not be physical units, that is, they may be located in one place or distributed on multiple network units. Some or all of the units may be selected according to actual needs to achieve the purpose of the solution of this embodiment.

[0161] In addition, each functional unit in each embodiment of the present invention may be integrated into one processing unit, or each unit may exist physically separately, or two or more units may be integrated into one unit.

[0162] If the function is implemented in the form of a software functional unit and sold or used as an independent product, it can be stored in a computer-readable storage medium. Based on this understanding, the technical solution of the present invention, or the part that contributes to the prior art, or the part of the technical solution, can be embodied in the form of a software product. The computer software product is stored in a storage medium, including several instructions for a computer device (which can be a personal computer, server, or network device, etc.) to perform all or part of the steps of the methods of each embodiment of the present invention. The aforementioned storage medium includes: U disk, mobile hard disk, read-only memory (ROM, Read-Only Memory), random access memory (RAM, Random Access Memory), disk or optical disk, etc. Various media that can store program codes.

[0163] Those skilled in the art can understand that all or part of the steps of implementing the above-mentioned method embodiments can be completed by hardware related to program instructions. The aforementioned program can be stored in a computer-readable storage medium. When the program is executed, the steps of the above-mentioned method embodiments are executed; and the aforementioned storage medium includes: ROM, RAM, disk or optical disk and other media that can store program codes.

[0164] Finally, it should be noted that those skilled in the art will readily conceive of other embodiments of the present invention after considering the specification and practicing the invention disclosed herein. The present invention is intended to cover any variations, uses or adaptations of the present invention, which follow the general principles of the present invention and include common knowledge or customary technical means in the art not disclosed by the present invention, are not limited to the precise structure described above and shown in the drawings, and may be modified and changed in various ways without departing from the scope thereof. The scope of the present invention is limited only by the appended claims.

Claims

1. A pixel matching method, characterized in that: include: Determine the number of remaining pixels corresponding to the N-1th local backlight area and the previous local backlight area on the backlight unit in the target direction of the liquid crystal display panel, where N is an integer greater than 1; wherein the final number of pixels of the first local backlight area is obtained based on the initial number of pixels corresponding to each local backlight area in the target direction; Determining a preset number of pixels corresponding to the N-1th local backlight area in the target direction based on the remaining number of pixels and the number of remaining local backlight areas corresponding to the N-1th local backlight area; Determine, according to the preset number of pixels, a final number of pixels corresponding to the Nth local backlight area in the target direction; Based on the Nth local backlight area, backlight is provided for pixels of a final number of pixels of the Nth local backlight area.

2. The method according to claim 1, characterized in that The target direction includes a first direction and a second direction, wherein the first direction and the second direction are two directions perpendicular to each other; Based on the Nth local backlight area, providing backlight for a final number of pixels of the Nth local backlight area, comprising: Determine the final number of pixels corresponding to the Nth local backlight area according to a first sub-final number of pixels corresponding to the Nth local backlight area in the first direction and a second sub-final number of pixels corresponding to the second direction; Based on the Nth local backlight area, backlight is provided for pixels of a final number of pixels corresponding to the Nth local backlight area.

3. The method according to claim 1, characterized in that The method further comprises: Determining, according to the total number of pixels in the target direction of the liquid crystal display panel and the number of local backlight areas on the backlight unit, the initial number of pixels corresponding to each local backlight area in the target direction; According to the initial number of pixels, a final number of pixels corresponding to the first local backlight area in the target direction is determined.

4. The method according to claim 3, characterized in that Determining the final number of pixels corresponding to the first local backlight area in the target direction according to the initial number of pixels includes: When the initial number of pixels is an integer, determining the final number of pixels corresponding to the first local backlight area in the target direction as the initial number of pixels; When the initial number of pixels includes a decimal, the initial number of pixels is rounded to obtain a final number of pixels corresponding to the first local backlight area in the target direction; The determining, according to the preset number of pixels, a final number of pixels corresponding to the Nth local backlight area in the target direction includes: When the preset number of pixels is an integer, determining that the final number of pixels corresponding to the Nth local backlight area in the target direction is the preset number of pixels; When the preset number of pixels includes a decimal, the preset number of pixels is rounded to obtain a final number of pixels corresponding to the Nth local backlight area in the target direction.

5. The method according to claim 4, characterized in that The rounding method of the initial pixel number and the preset pixel number includes at least one of the following: Round, truncate, and floor.

6. The method according to any one of claims 1 to 5, characterized in that: The determining, according to the final number of pixels corresponding to the N-1th local backlight area and the previous local backlight area on the backlight unit in the target direction of the liquid crystal display panel, the number of remaining pixels corresponding to the N-1th local backlight area in the target direction includes: Sorting each local backlight area on the backlight unit to determine an identification number of each local backlight area; Based on the N-1th local backlight area on the backlight unit and the latest number of pixels corresponding to the target direction of the liquid crystal display panel of all local backlight areas whose identification numbers are before the identification number of the N-1th local backlight area, the remaining number of pixels corresponding to the N-1th local backlight area in the target direction is determined.

7. A pixel matching device, characterized in that: include: A first processing module, for determining the number of remaining pixels corresponding to the N-1th local backlight area and the previous local backlight areas on the backlight unit in the target direction of the liquid crystal display panel according to the final number of pixels corresponding to the N-1th local backlight area and the previous local backlight area on the backlight unit in the target direction, where N is an integer greater than 1; wherein the final number of pixels of the first local backlight area is obtained based on the initial number of pixels corresponding to each local backlight area in the target direction; A second processing module, configured to determine a preset number of pixels corresponding to the N-1th local backlight area in the target direction based on the number of remaining pixels and the number of remaining local backlight areas corresponding to the N-1th local backlight area; A third processing module, configured to determine a final number of pixels corresponding to the Nth local backlight area in the target direction according to the preset number of pixels; The fourth processing module is used to provide backlight for pixels of a final number of pixels of the Nth local backlight area based on the Nth local backlight area.

8. An electronic device, characterized in that: include: Memory, processor; The memory stores computer-executable instructions; The processor executes the computer-executable instructions stored in the memory, so that the processor performs the method according to any one of claims 1 to 6.

9. A computer-readable storage medium, characterized in that: The computer-readable storage medium stores computer-executable instructions, which are used to implement the method according to any one of claims 1 to 6 when executed by a processor.

10. A computer program product, characterized in that The invention comprises a computer program, which implements the method according to any one of claims 1 to 6 when being executed by a processor.

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