A lamp panel and display panel

Abstract

The application provides a lamp panel and a display panel, the lamp panel comprises a plurality of light emitting units, the lamp panel has a plurality of brightness partitions, a fixed number of light emitting units are arranged in each brightness partition, the plurality of brightness partitions comprise a plurality of brightness partitions arranged in a first direction in sequence and a plurality of brightness partitions arranged in a second direction in sequence, the first direction and the second direction intersect; in two adjacent brightness partitions in the first direction, the light emitting units in one brightness partition and the light emitting units in the other brightness partition are not lighted at the same time; in two adjacent brightness partitions in the second direction, the light emitting units in one brightness partition and the light emitting units in the other brightness partition are not lighted at the same time, the lamp panel and the display panel provided by the application can improve the problem of instantaneous local energy concentration of the lamp panel, inhibit short-time and long-time failure of the lamp panel, and improve the optical effect of the lamp panel.

Description

Technical Field

[0001] This application relates to the field of display technology, specifically to a lamp board and a display panel. Background Technology

[0002] Mini LED (Mini Light-Emitting Diode) display technology has entered a phase of accelerated development in the past two years and is widely used in high dynamic range (HDR) image sensors and full-screen display applications. Compared with organic light-emitting diode (OLED) displays, Mini LED displays have better advantages in terms of cost, contrast, brightness, and shape.

[0003] Currently, the lamp boards in Mini LED display panels are typically driven using Pulse Width Modulation (PWM) mode, which has the advantage of low cost. However, under PWM driving mode, due to excessive instantaneous brightness, the phosphor layer in the Mini LEDs in the lamp board is prone to regular failure states (such as stripe failure) as the scanning state occurs, which seriously affects the visual quality and degrades the display quality of the Mini LED display panel. This problem urgently needs to be solved. Summary of the Invention

[0004] This application provides a light board and a display panel that can effectively solve the problems of excessive instantaneous brightness, easy occurrence of regular failure, and poor optical effect of existing light boards.

[0005] In a first aspect, this application provides a light panel having multiple brightness zones, each brightness zone containing a fixed number of light-emitting units. The multiple brightness zones include multiple brightness zones arranged sequentially in a first direction and multiple brightness zones arranged sequentially in a second direction, the first direction and the second direction intersecting. In two adjacent brightness zones in the first direction, the light-emitting units in one brightness zone do not light up simultaneously with the light-emitting units in the other brightness zone; in two adjacent brightness zones in the second direction, the light-emitting units in one brightness zone do not light up simultaneously with the light-emitting units in the other brightness zone. Optionally, the lamp panel includes multiple scanning electrodes electrically connected to the light-emitting unit for controlling the illumination state of the light-emitting unit; wherein, in two adjacent brightness zones in the first direction, the scanning electrode connected to the light-emitting unit in one brightness zone is different from the scanning electrode connected to the light-emitting unit in the other brightness zone; in two adjacent brightness zones in the second direction, the scanning electrode connected to the light-emitting unit in one brightness zone is different from the scanning electrode connected to the light-emitting unit in the other brightness zone; and the timing of the driving signals for the scanning electrodes corresponding to the two adjacent brightness zones in the first direction is different; the timing of the driving signals for the scanning electrodes corresponding to the two adjacent brightness zones in the second direction is different.

[0006] Optionally, the number of scanning electrodes is a, and the number of brightness zones is b, wherein each scanning electrode is electrically connected to the light-emitting units in b / a brightness zones, where b ≥ a ≥ 2, and b / a is an integer.

[0007] Optionally, the lamp board includes m brightness partition blocks, where m ≥ 1 and m is an integer, each brightness partition block includes n brightness partition groups, where n ≥ 2 and n is an integer, and each brightness partition group includes at least one brightness partition; wherein, the lamp board includes m × n scanning electrodes, and each scanning electrode is electrically connected to a light-emitting unit in each brightness partition of a brightness partition group.

[0008] Optionally, each of the brightness partition blocks includes multiple brightness partition rows and multiple brightness partition columns; wherein, in each of the brightness partition blocks, the scanning electrode corresponding to each brightness partition group is electrically connected to the light-emitting unit in at least one brightness partition in each brightness partition row.

[0009] Optionally, in each brightness partition block, the scanning electrode corresponding to each brightness partition group is electrically connected to the light-emitting unit in at least one brightness partition in each brightness partition column.

[0010] Optionally, m=1, n=2, the scanning electrode corresponding to one brightness partition group is electrically connected to the light-emitting unit in the odd row and odd column brightness partition and the light-emitting unit in the even row and even column brightness partition, and the scanning electrode corresponding to the other brightness partition group is electrically connected to the light-emitting unit in the even row and odd column brightness partition and the light-emitting unit in the odd row and even column brightness partition.

[0011] Optionally, m=1, n is an integer greater than 2, and the scanning electrode corresponding to each brightness partition group is electrically connected to a brightness partition in each brightness partition row, and the scanning electrode corresponding to each brightness partition group is electrically connected to a brightness partition in each brightness partition column.

[0012] Optionally, m is an integer greater than 1. One phase period includes n cycles. In the nth cycle, the light-emitting units in each brightness partition of the nth brightness partition group in the 1st brightness partition block are lit sequentially, up to each brightness partition of the nth brightness partition group in the mth brightness partition block.

[0013] Optionally, m=2, n=2, the lamp panel includes a first brightness partition block and a second brightness partition block arranged symmetrically on an axis; wherein, the odd-numbered rows and odd-numbered columns of the brightness partitions and the even-numbered rows and even-numbered columns of the brightness partition blocks in the first brightness partition block constitute the first brightness partition group in the first brightness partition block, and the even-numbered rows and odd-numbered columns of the brightness partitions and the odd-numbered rows and even-numbered columns of the brightness partition blocks in the first brightness partition block constitute the second brightness partition group in the first brightness partition block; wherein, the odd-numbered rows and odd-numbered columns of the brightness partitions and the even-numbered rows and even-numbered columns of the brightness partition blocks in the second brightness partition block constitute the first brightness partition group in the second brightness partition block, the... The even-numbered rows and odd-numbered columns of the second brightness partition block, and the odd-numbered rows and even-numbered columns of the brightness partition block, constitute the second brightness partition group in the second brightness partition block. One phase cycle includes two loops. In the first loop, the light-emitting units in each brightness partition of the first brightness partition group in the first brightness partition block, and each brightness partition of the first brightness partition group in the second brightness partition block, are lit sequentially. Then, in the second loop, the light-emitting units in each brightness partition of the second brightness partition group in the first brightness partition block, and each brightness partition of the second brightness partition group in the second brightness partition block, are lit sequentially.

[0014] Optionally, one of the brightness partition blocks includes three brightness partition groups, each brightness partition group includes three brightness partition blocks, and the nine brightness partition blocks corresponding to the three brightness partition groups form a nine-grid structure, and the two brightness partitions in each brightness partition group are arranged in the same row, or the two brightness partitions in each brightness partition group are arranged in the same column.

[0015] Optionally, the lamp panel further includes multiple scanning traces, and the scanning electrode is connected to the light-emitting unit in the brightness zone through the scanning traces. The multiple scanning traces include a first part and a second part, the first part is disposed on the same layer as the scanning electrode, and the second part is disposed on a different layer from the first part.

[0016] Secondly, this application provides a display panel, the display panel including the light panel described in any of the above claims.

[0017] This application provides a light panel and a display panel. The light panel includes multiple light-emitting units and multiple brightness zones. Each brightness zone has a fixed number of light-emitting units. The multiple brightness zones include multiple brightness zones arranged sequentially in a first direction and multiple brightness zones arranged sequentially in a second direction, wherein the first direction and the second direction intersect. In two adjacent brightness zones in the first direction, the light-emitting units in one brightness zone do not light up simultaneously with the light-emitting units in the other brightness zone. In two adjacent brightness zones in the second direction, the light-emitting units in one brightness zone do not light up simultaneously with the light-emitting units in the other brightness zone. In the lamp board and display panel provided in this application, since the light-emitting units in one brightness zone and the light-emitting units in another brightness zone are not lit simultaneously in two adjacent brightness zones in the first direction, and the light-emitting units in one brightness zone and the light-emitting units in another brightness zone are not lit simultaneously in two adjacent brightness zones in the second direction, the light-emitting units in the multiple brightness zones can be staggered during actual use. On the one hand, this can improve the problem of instantaneous local energy concentration of the lamp board under PWM drive mode and suppress the possibility of short-term failure. On the other hand, it can also effectively reduce the probability of regular failure phenomenon of the lamp board under long-term lighting state, thereby improving the optical effect of the lamp board and the display panel using the lamp board and extending the life of the lamp board and the display panel using the lamp board. Attached Figure Description

[0018] To more clearly illustrate the technical solutions in the embodiments of this application, the accompanying drawings used in the description of the embodiments will be briefly introduced below. Obviously, the accompanying drawings described below are only some embodiments of this application. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0019] Figure 1 This is a plan view of the lamp panel provided in Embodiment 1 of this application.

[0020] Figure 2 A graph showing the brightness versus distance of a single bright region in any direction.

[0021] Figure 3a This is a planar schematic diagram of the first brightness partition group corresponding to the first scanning electrode provided in Embodiment 1 of this application, showing the light-emitting unit in the light-up state in each brightness partition.

[0022] Figure 3b This is a planar schematic diagram of the light-emitting unit in the second brightness partition group corresponding to the second scanning electrode provided in Embodiment 1 of this application, when the light-emitting unit in each brightness partition is in the lit state.

[0023] Figure 4 The timing control diagram of the first scanning electrode and the second scanning electrode provided in Embodiment 1 of this application.

[0024] Figure 5 This is a schematic diagram of the film structure of the scanning traces provided in an embodiment of this application.

[0025] Figure 6a This is a planar schematic diagram of the first brightness partition group corresponding to the first scanning electrode provided in Embodiment 2 of this application, showing the light-emitting unit in each brightness partition in the lit state.

[0026] Figure 6b This is a planar schematic diagram of the light-emitting unit in the second brightness partition group corresponding to the second scanning electrode provided in Embodiment 2 of this application, when the light-emitting unit in each brightness partition is in the lit state.

[0027] Figure 6c This is a planar schematic diagram of the light-emitting unit in the third brightness partition group corresponding to the third scanning electrode provided in Embodiment 2 of this application, when the unit is lit.

[0028] Figure 6d This is a planar schematic diagram of the light-emitting unit in the fourth brightness partition group corresponding to the fourth scanning electrode provided in Embodiment 2 of this application, when the unit is lit.

[0029] Figure 6e This is a planar schematic diagram of the light-emitting unit in the fifth brightness partition group corresponding to the fifth scanning electrode provided in Embodiment 2 of this application, when the unit is lit.

[0030] Figure 6f This is a planar schematic diagram of the light-emitting unit in the sixth brightness partition group corresponding to the sixth scanning electrode provided in Embodiment 2 of this application, when the unit is lit.

[0031] Figure 6g This is a planar schematic diagram of the light-emitting unit in the seventh brightness partition group corresponding to the seventh scanning electrode provided in Embodiment 2 of this application, when the light-emitting unit in each brightness partition is in the lit state.

[0032] Figure 6h This is a planar schematic diagram of the light-emitting unit in the eighth brightness partition group corresponding to the eighth scanning electrode provided in Embodiment 2 of this application, when the unit is lit.

[0033] Figure 7This is a timing control diagram for the first to eighth scanning electrodes provided in Embodiment 2 of this application.

[0034] Figure 8a This is a planar schematic diagram of the first part of the scanning electrode and scanning trace provided in Embodiment 2 of this application.

[0035] Figure 8b This is a planar schematic diagram of the second part of the scanning trace provided in Embodiment 2 of this application.

[0036] Figure 9a This is a schematic diagram of the light distribution of a lamp panel in a related technology.

[0037] Figure 9b A schematic diagram of the light distribution of the lamp panel provided in this application.

[0038] Figure 10a This is a planar schematic diagram of the first brightness partition group in the first brightness partition block corresponding to the first scanning electrode provided in Embodiment 3 of this application, showing the light-emitting unit in each brightness partition in the lit state.

[0039] Figure 10b This is a planar schematic diagram of the first brightness partition group in the second brightness partition block corresponding to the second scanning electrode provided in Embodiment 3 of this application, showing the light-emitting unit in each brightness partition in the lit state.

[0040] Figure 10c This is a planar schematic diagram of the light-emitting unit in the second brightness partition group of the first brightness partition block corresponding to the third scanning electrode provided in Embodiment 3 of this application, when the light-emitting unit in each brightness partition is in the lit state.

[0041] Figure 10d This is a planar schematic diagram of the second brightness partition group in the second brightness partition block corresponding to the fourth scanning electrode provided in Embodiment 3 of this application, showing the light-emitting unit in each brightness partition in the lit state.

[0042] Figure 11 This is a timing control diagram for the first to fourth scanning electrodes provided in Embodiment 3 of this application.

[0043] Figure 12a The first brightness partition group corresponding to the first scanning electrode of the lamp board provided in Embodiment 4 of this application is a planar schematic diagram of the light-emitting unit in the lit state of each brightness partition.

[0044] Figure 12b The second brightness partition group corresponding to the second scanning electrode of the lamp board provided in Embodiment 4 of this application is a planar schematic diagram of the light-emitting unit in the lit state in each brightness partition.

[0045] Figure 12cIn the third brightness partition group corresponding to the third scanning electrode of the lamp board provided in Embodiment 4 of this application, the light-emitting unit in each brightness partition is a planar schematic diagram when it is lit.

[0046] Explanation of reference numerals in the attached figures: Lamp board 10; Brightness zone 20; Light-emitting unit 30; Scanning electrode 40; First scanning electrode 41; Second scanning electrode 42; Third scanning electrode 43; Fourth scanning electrode 44; Fifth scanning electrode 45; Sixth scanning electrode 46; Seventh scanning electrode 47; Eighth scanning electrode 48; Scanning trace 50; First section 51; Second section 52; Brightness zone block 60; Brightness zone group 70; First brightness zone group 71; Second brightness zone group 72; Third brightness zone group 73; Fourth brightness zone group 74; Brightness partition group 74; Fifth brightness partition group 75; Sixth brightness partition group 76; Seventh brightness partition group 77; Eighth brightness partition group 78; First brightness partition block M1; Second brightness partition block M2; First brightness partition group M11 in the first brightness partition block; First brightness partition group M21 in the second brightness partition block; Second brightness partition group M12 in the first brightness partition block; Second brightness partition group M22 in the second brightness partition block; First direction X; Second direction Y; Detailed Implementation The technical solutions of the embodiments of this application will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only a part of the embodiments of this application, and not all of the embodiments. Based on the embodiments of this application, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this application. In addition, it should be understood that the specific embodiments described herein are only for illustration and explanation of this application and are not intended to limit this application. In this application, unless otherwise stated, directional terms such as "upper" and "lower" generally refer to the upper and lower positions of the device in actual use or operation, specifically the drawing directions in the accompanying drawings; while "inner" and "outer" refer to the outline of the device.

[0047] The following disclosure provides many different implementations or examples for carrying out different structures of this application. To simplify the disclosure, specific examples of components and arrangements are described below. Of course, these are merely examples and are not intended to limit the scope of this application. Furthermore, reference numerals and / or reference letters may be repeated in different examples; such repetition is for simplification and clarity and does not in itself indicate a relationship between the various implementations and / or arrangements discussed. In addition, various specific examples of processes and materials are provided in this application, but those skilled in the art will recognize the application of other processes and / or the use of other materials. Detailed descriptions are provided below; it should be noted that the order of description of the following embodiments is not intended to limit the preferred order of embodiments.

[0048] Example 1 Figure 1 This is a plan view of the lamp panel provided in Embodiment 1 of this application; Figure 2 A graph showing the brightness versus distance of a single bright state brightness zone in any direction; Figure 3a This is a planar schematic diagram of the light-emitting unit in the first brightness partition group corresponding to the first scanning electrode provided in Embodiment 1 of this application when the light-emitting unit in each brightness partition is in the lit state. Figure 3b This is a planar schematic diagram of the light-emitting unit in the second brightness partition group corresponding to the second scanning electrode provided in Embodiment 1 of this application, when the unit is in the lit state. Combined with... Figure 1 , Figure 2 , Figure 3a and Figure 3b As shown, in a first aspect, Embodiment 1 of this application provides a lamp panel 10, which includes a plurality of light-emitting units 30 and a plurality of brightness zones 20. Each brightness zone 20 is provided with a fixed number of light-emitting units 30. The plurality of brightness zones 20 include a plurality of brightness zones 20 arranged sequentially in a first direction X and a plurality of brightness zones 20 arranged sequentially in a second direction Y, wherein the first direction X and the second direction Y intersect. In two adjacent brightness zones 20 in the first direction X, the light-emitting units 30 in one brightness zone 20 and the light-emitting units 30 in the other brightness zone 20 are not lit at the same time. In two adjacent brightness zones 20 in the second direction Y, the light-emitting units 30 in one brightness zone 20 and the light-emitting units 30 in the other brightness zone 20 are not lit at the same time.

[0049] During the research, the applicant discovered that, under PWM driving mode, when two adjacent light-emitting units 30 in the first direction X or the second direction Y are simultaneously lit, a problem of excessive instantaneous brightness occurs. The applicant further discovered that the brightness of each light-emitting unit 30 (such as a Mini LED) in any direction is related to distance as follows: Figure 2 As shown, r represents the distance between a light-emitting unit 30 in the central region of a brightness partition 20 and the edge of the brightness partition 20. That is, assuming the shape of the brightness partition 20 is a square, when a light-emitting unit 30 in the central region of the brightness partition 20 is lit, the brightness of the midpoint of one side of the square is Q1, and the brightness of the endpoint of one side of the square is Q2, which is much lower than Q1.

[0050] In the lamp board 10 provided in this application embodiment, since the light-emitting unit 30 in one of the two adjacent brightness zones 20 in the first direction X is not lit at the same time as the light-emitting unit 30 in the other brightness zone 20, and the light-emitting unit 30 in one of the two adjacent brightness zones 20 in the second direction Y is not lit at the same time as the light-emitting unit 30 in the other brightness zone 20, the light-emitting units 30 in the multiple brightness zones 20 can be lit alternately during actual use. On the one hand, this can improve the problem of instantaneous local energy concentration of the lamp board 10 under PWM drive mode and suppress the possibility of short-term failure. On the other hand, it can also effectively reduce the probability of regular failure phenomenon of the lamp board 10 under long-term lighting state, thereby improving the optical effect of the lamp board 10 and the display panel using the lamp board 10 and extending the life of the lamp board 10 and the display panel using the lamp board 10.

[0051] Continue to refer to Figure 1 In some embodiments of this application, each brightness zone 20 is provided with multiple light-emitting units 30. Specifically, by including multiple light-emitting units 30 in each brightness zone 20, the number of brightness zones 20 can be reduced, thereby reducing the driving difficulty of the lamp board 10. When each brightness zone 20 is configured one-to-one with a driving chip, the number of driving chips can be effectively reduced, thus lowering the manufacturing cost of the lamp board 10. When all brightness zones 20 are configured one-to-one with a driving chip, the design difficulty of the driving chip can be reduced. Of course, this application does not limit the number of light-emitting units 30 in the brightness zone 20. In other embodiments of this application, each brightness zone 20 may be provided with only one light-emitting unit 30.

[0052] Figure 4The timing control diagram for the first and second scanning electrodes provided in Embodiment 1 of this application is shown below. (Continue referring to...) Figure 3a , Figure 3b and Figure 4 In some embodiments of this application, the lamp board 10 includes a plurality of scanning electrodes 40, which are electrically connected to the light-emitting unit 30 and used to control the lighting state of the light-emitting unit 30; wherein, in two adjacent brightness zones 20 in the first direction X, the scanning electrode 40 connected to the light-emitting unit 30 in one brightness zone 20 is different from the scanning electrode 40 connected to the light-emitting unit 30 in the other brightness zone 20; in two adjacent brightness zones 20 in the second direction Y, the scanning electrode 40 connected to the light-emitting unit 30 in one brightness zone 20 is different from the scanning electrode 40 connected to the light-emitting unit 30 in the other brightness zone 20; and the timing of the driving signals of the scanning electrodes 40 corresponding to the two adjacent brightness zones 20 in the first direction X is different; the timing of the driving signals of the scanning electrodes 40 corresponding to the two adjacent brightness zones 20 in the second direction Y is different.

[0053] In the lamp board 10 provided in this application, a plurality of scanning electrodes 40 in the lamp board 10 are electrically connected to the light-emitting units 30 in the brightness partition 20, and can send driving signals to the light-emitting units 30 to control the lighting state of the light-emitting units 30. Since the timing of the driving signals of the scanning electrodes 40 corresponding to two adjacent brightness partitions 20 in the first direction X is different, when the scanning electrode 40 connected to the light-emitting unit 30 in one brightness partition 20 is different from the scanning electrode 40 connected to the light-emitting unit 30 in the other brightness partition 20, it is possible to ensure that one of the two adjacent brightness partitions 20 in the first direction X is lit. The light-emitting unit 30 in one brightness zone 20 is not lit up at the same time as the light-emitting unit 30 in another brightness zone 20. Similarly, since the timing of the driving signals of the scanning electrodes 40 corresponding to two adjacent brightness zones 20 in the second direction Y is different, when the scanning electrode 40 connected to the light-emitting unit 30 in one brightness zone 20 is different from the scanning electrode 40 connected to the light-emitting unit 30 in the other brightness zone 20, it is possible to make the light-emitting unit 30 in one brightness zone 20 not lit up at the same time as the light-emitting unit 30 in the other brightness zone 20 in the second direction Y. Furthermore, the lamp board 10 provided in this application enables the light-emitting units 30 in two adjacent brightness zones 20 in the first direction X or the second direction Y to be alternately lit under the control of the driving signals of multiple scanning electrodes 40, thereby improving the optical effect of the lamp board 10 and the display panel using the lamp board 10, and extending the lifespan of the lamp board 10 and the display panel using the lamp board 10.

[0054] In some embodiments of this application, the number of scanning electrodes 40 is a, and the number of brightness zones 20 is b, wherein each scanning electrode 40 is electrically connected to the light-emitting unit 30 in b / a brightness zones 20, wherein b≥a≥2, and b / a is an integer.

[0055] In the lamp board 10 provided in this application, since each scanning electrode 40 is electrically connected to the light-emitting units 30 in b / a brightness zones 20, the number of brightness zones 20 corresponding to each scanning electrode 40 is the same. This balances the driving load of the scanning electrodes 40, reduces the design difficulty of the scanning traces 50 corresponding to the scanning electrodes 40, improves the stability of the lamp board 10, and extends the service life of the lamp board 10. Optionally, each scanning electrode 40 is electrically connected to the light-emitting units 30 in at least two brightness zones 20, i.e., b / a ≥ 2.

[0056] In some embodiments of this application, the lamp board 10 includes m brightness partition blocks 60, where m ≥ 1 and m is an integer, each brightness partition block 60 includes n brightness partition groups 70, where n ≥ 2 and n is an integer, and each brightness partition group 70 includes at least one brightness partition 20; wherein, the lamp board 10 includes m × n scanning electrodes 40, and each scanning electrode 40 is electrically connected to a light-emitting unit 30 in each brightness partition 20 of a brightness partition group 70; wherein, two adjacent brightness partitions 20 in the first direction X belong to two different brightness partition groups 70, and two adjacent brightness partitions 20 in the second direction Y belong to two different brightness partition groups 70, one of the first direction X and the second direction Y is a row direction, and the other of the first direction X and the second direction Y is a column direction.

[0057] In the lamp board 10 provided in this application, when the area of ​​the lamp board 10 is small, the number of brightness partitions 20 is small, or the wiring difficulty of the scan traces 50 corresponding to the scan electrode 40 is low, the lamp board 10 may not be divided into blocks. In this case, the lamp board 10 includes only one brightness partition block 60, i.e., m=1. When the area of ​​the lamp board 10 is large, the number of brightness partitions 20 is large, or the wiring difficulty of the scan traces 50 corresponding to the scan electrode 40 is high, dividing the lamp board 10 into blocks can effectively reduce the process difficulty and improve the production yield. In this case, the lamp board 10 may include multiple brightness partition blocks 60, i.e., m is an integer greater than 1. Therefore, the lamp board 10 can be divided into multiple repeating brightness partition blocks 60 by evenly dividing the lamp board 10. Of course, in other embodiments of this application, the area, shape, and layout of the brightness partitions 20 in each brightness partition block 60 can be different.

[0058] Continuing with the example of the lamp panel 10 comprising multiple repeating brightness partition blocks 60, as mentioned earlier, the multiple brightness partition blocks 60 are configured to reduce manufacturing complexity and improve production yield, ensuring that the scan lines 50 in each brightness partition block 60 are independent of the scan lines 50 in other brightness partition blocks 60. Correspondingly, the scan electrodes 40 corresponding to each brightness partition block 60 should also be different. Based on this, since each scan electrode 40 is electrically connected to the light-emitting unit 30 in each brightness partition 20 of a brightness partition group 70, assuming the number of brightness partition blocks 60 is m, and each brightness partition block 60 includes n brightness partition groups 70 corresponding to independent scan electrodes 40, then the number of scan electrodes 40 in the lamp panel 10 is m×n.

[0059] Furthermore, in order for the lamp panel 10 to satisfy the following conditions: in two adjacent brightness zones 20 in the first direction X, the scanning electrode 40 connected to the light-emitting unit 30 in one brightness zone 20 is different from the scanning electrode 40 connected to the light-emitting unit 30 in the other brightness zone 20; and in two adjacent brightness zones 20 in the second direction Y, the scanning electrode 40 connected to the light-emitting unit 30 in one brightness zone 20 is different from the scanning electrode 40 connected to the light-emitting unit 30 in the other brightness zone 20, the two adjacent brightness zones 20 in the first direction X should belong to two different brightness zone groups 70, and the two adjacent brightness zones 20 in the second direction Y should belong to two different brightness zone groups 70.

[0060] In some embodiments of this application, each brightness partition block 60 includes a plurality of brightness partition rows 20 and a plurality of brightness partition columns 20; wherein, in each brightness partition block 60, the scanning electrode 40 corresponding to each brightness partition group 70 is electrically connected to the light-emitting unit 30 in at least one brightness partition 20 in each brightness partition row 20.

[0061] In the lamp board 10 provided in this application, since the scanning electrode 40 corresponding to each brightness partition group 70 in each brightness partition block 60 is electrically connected to the light-emitting unit 30 in at least one brightness partition 20 in each brightness partition row 20, the scanning traces 50 corresponding to each scanning electrode 40 can be more clearly referenced in the wiring design, thus reducing the design difficulty.

[0062] In some embodiments of this application, the scanning electrode 40 corresponding to each of the brightness partition groups 70 is electrically connected to the light-emitting unit 30 in at least one brightness partition 20 in each brightness partition 20 column.

[0063] In the lamp board 10 provided in this application, since the scanning electrode 40 corresponding to each brightness partition group 70 is electrically connected to the light-emitting unit 30 in at least one brightness partition 20 in each brightness partition 20 column, the scanning traces 50 corresponding to each scanning electrode 40 can be more clearly referenced in the wiring design, reducing the design difficulty.

[0064] Reference Figure 3a and Figure 3bIn some embodiments of this application, m=1, n=2, that is, the lamp board 10 includes only one brightness partition block 60, the brightness partition block 60 includes two brightness partition groups 70, namely the first brightness partition group 71 and the second brightness partition group 72; the lamp board 10 includes two scanning electrodes 40, namely the first scanning electrode 41 and the second scanning electrode 42, and the scanning electrode 40 corresponding to each brightness partition group 70 in the brightness partition block 60 is electrically connected to the light-emitting unit 30 in the plurality of brightness partitions 20 in each row of brightness partitions 20; the scanning electrode 40 corresponding to each brightness partition group 70 in the brightness partition block 60 is electrically connected to the light-emitting unit 30 in the plurality of brightness partitions 20 in each column of brightness partitions 20.

[0065] Continue to refer to Figure 3a and Figure 3b The scanning electrode 40 (i.e., the first scanning electrode 41) corresponding to one of the brightness partition groups 70 (i.e., the first brightness partition group 71) is electrically connected to the light-emitting unit 30 in the odd-numbered rows and odd-numbered columns of the brightness partition 20 and the light-emitting unit 30 in the even-numbered rows and even-numbered columns of the brightness partition 20. The scanning electrode 40 (i.e., the second scanning electrode 42) corresponding to the other brightness partition group 70 (i.e., the second brightness partition group 72) is electrically connected to the light-emitting unit 30 in the even-numbered rows and odd-numbered columns of the brightness partition 20 and the light-emitting unit 30 in the odd-numbered rows and even-numbered columns of the brightness partition 20.

[0066] Continue to refer to Figure 3a and Figure 3b The brightness partition block 60 includes 16 brightness partitions 20 in 4 rows and 4 columns. The first brightness partition group 71 includes brightness partitions 20 in the 1st row and 1st column, the 1st row and 3rd column, the 2nd row and 2nd column, the 2nd row and 4th column, the 3rd row and 1st column, the 3rd row and 3rd column, the 4th row and 2nd column, and the 4th row and 4th column. The first scanning electrode 41 is electrically connected to the light-emitting unit 30 in 8 brightness partitions 20 in the first brightness partition group 71. The second brightness partition group 72 includes brightness partitions 20 in the 1st row and 2nd column, the 1st row and 4th column, the 2nd row and 1st column, the 2nd row and 3rd column, the 3rd row and 2nd column, the 3rd row and 4th column, the 4th row and 1st column, and the 4th row and 3rd column. The second scanning electrode 42 is electrically connected to the light-emitting unit 30 in 8 brightness partitions 20 in the second brightness partition group 72.

[0067] Continue to refer to Figure 4Within one phase cycle, the light-emitting units 30 in all brightness zones 20 on the lamp panel 10 are lit once. One phase cycle comprises one loop. In this loop, the driving signals of the first scanning electrode 41 and the second scanning electrode 42 are sequentially connected to the light-emitting units 30 in each brightness zone 20 of the corresponding first brightness zone group 71 and each brightness zone 20 of the corresponding second brightness zone group 72. The timing of the driving signal of the second scanning electrode 42 is after the timing of the driving signal of the first scanning electrode 41. That is, the first scanning electrode 41 and the second scanning electrode 42 scan sequentially. This scanning method ensures that the light-emitting units 30 in each brightness zone 20 of the first brightness zone group 71 are lit before the light-emitting units 30 in each brightness zone 20 of the second brightness zone group 72 are lit. This achieves that in two adjacent brightness zones 20 in the first direction X, the light-emitting units 30 in one brightness zone 20 and the light-emitting units 30 in the other brightness zone 20 are not lit simultaneously. In two adjacent brightness zones 20 in the second direction Y, the light-emitting unit 30 in one brightness zone 20 and the light-emitting unit 30 in the other brightness zone 20 are not lit at the same time.

[0068] Figure 5 This is a schematic diagram of the film structure of the scanning traces provided in an embodiment of this application, with reference to... Figure 3a , Figure 3b and Figure 5 As shown, in some embodiments of this application, the lamp board 10 further includes multiple scanning lines 50. The scanning electrode 40 is connected to the light-emitting unit 30 in the brightness partition 20 through the scanning lines 50. The multiple scanning lines 50 include a first part 51 and a second part 52. The first part 51 is disposed on the same layer as the scanning electrode 40, and the second part 52 is disposed on a different layer from the first part 51.

[0069] In the lamp board 10 provided in this application, when the scanning trace 50 corresponding to one of the scanning electrodes 40 intersects with the scanning trace 50 corresponding to another scanning electrode 40 in the first direction X or the second direction Y, the two scanning traces 50 with different extension directions will interfere, increasing the difficulty of wiring design. This application improves the interference problem between two scanning traces 50 with different extension directions by including a first part 51 and a second part 52 in the multiple scanning traces 50, with the first part 51 disposed in the same layer as the scanning electrode 40 and the second part 52 disposed in a different layer from the first part 51, while minimizing the number of film layers, and reducing the wiring difficulty of the scanning traces 50 in the lamp board 10 through the double-layer design of the scanning traces 50.

[0070] Secondly, embodiments of this application also provide a display panel, the display panel including the lamp panel 10 described in any of the above claims. Optionally, the display panel includes the lamp panel 10 and a liquid crystal cell, the liquid crystal cell including a first substrate, a second substrate, and a liquid crystal layer disposed between the first substrate and the second substrate.

[0071] Example 2 Figure 6a This is a planar schematic diagram of the light-emitting unit in the first brightness partition group corresponding to the first scanning electrode provided in Embodiment 2 of this application when the light-emitting unit in each brightness partition is in the lit state. Figure 6b This is a planar schematic diagram of the light-emitting unit in the second brightness partition group corresponding to the second scanning electrode provided in Embodiment 2 of this application when the light-emitting unit in each brightness partition is in the lit state. Figure 6c The third brightness partition group corresponding to the third scanning electrode provided in Embodiment 2 of this application is a planar schematic diagram of the light-emitting unit in the bright state in each brightness partition. Figure 6d The fourth brightness partition group corresponding to the fourth scanning electrode provided in Embodiment 2 of this application is a planar schematic diagram of the light-emitting unit in the lit state in each brightness partition. Figure 6e This is a planar schematic diagram of the light-emitting unit in the fifth brightness partition group corresponding to the fifth scanning electrode provided in Embodiment 2 of this application when the light-emitting unit in each brightness partition is in the lit state. Figure 6f The light-emitting unit in each brightness zone of the sixth brightness zone group corresponding to the sixth scanning electrode provided in Embodiment 2 of this application is a planar schematic diagram of the lit state. Figure 6g The light-emitting unit in each brightness zone of the seventh brightness zone group corresponding to the seventh scanning electrode provided in Embodiment 2 of this application is a planar schematic diagram of the lit state. Figure 6h This is a planar schematic diagram of the light-emitting unit in the eighth brightness partition group corresponding to the eighth scanning electrode provided in Embodiment 2 of this application when the light-emitting unit in each brightness partition is in the lit state. Figure 7 This is a timing control diagram for the first to eighth scanning electrodes provided in Embodiment 2 of this application.

[0072] Combination Figure 1 , Figure 6a , Figure 6b , Figure 6c , Figure 6d , Figure 6e , Figure 6f , Figure 6g , Figure 6h and Figure 7As shown, in a first aspect, Embodiment 2 of this application provides a lamp panel 10, which includes a plurality of light-emitting units 30 and a plurality of brightness zones 20. Each brightness zone 20 is provided with a fixed number of light-emitting units 30. The plurality of brightness zones 20 include a plurality of brightness zones 20 arranged sequentially in a first direction X and a plurality of brightness zones 20 arranged sequentially in a second direction Y, wherein the first direction X and the second direction Y intersect. In two adjacent brightness zones 20 in the first direction X, the light-emitting units 30 in one brightness zone 20 and the light-emitting units 30 in the other brightness zone 20 are not lit at the same time. In two adjacent brightness zones 20 in the second direction Y, the light-emitting units 30 in one brightness zone 20 and the light-emitting units 30 in the other brightness zone 20 are not lit at the same time.

[0073] It should be noted that the structure of the lamp board 10 provided in Embodiment 2 of this application is similar to the structure of the lamp board 10 provided in Embodiment 1 of this application, and the same parts will not be described again in Embodiment 2 of this application.

[0074] In some embodiments of this application, the lamp panel 10 includes a brightness partition block 60, and the brightness partition block 60 includes three or more brightness partition groups 70, that is, m=1 and n is an integer greater than 2. The scanning electrode 40 corresponding to each brightness partition group 70 is electrically connected to one brightness partition 20 in each row of brightness partitions 20, and the scanning electrode 40 corresponding to each brightness partition group 70 is electrically connected to one brightness partition 20 in each column of brightness partitions 20.

[0075] In the lamp board 10 provided in this embodiment, since the brightness partition block 60 includes three or more brightness partition groups 70, the number of scanning electrodes 40 corresponding to the brightness partition block 60 is also three or more. That is, this application can reduce the number of brightness partitions 20 corresponding to the scanning electrodes 40 by more finely grouping the multiple brightness partitions 20 in the brightness partition block 60, thereby reducing the driving load of the scanning electrodes 40 and extending the service life of the lamp board 10.

[0076] Continue to refer to Figures 6a-6hIn some embodiments of this application, the brightness partition block 60 of the lamp panel 10 includes 64 brightness partitions 20 in 8 rows and 8 columns. The brightness partition block 60 includes a first brightness partition group 71, a second brightness partition group 72, a third brightness partition group 73, a fourth brightness partition group 74, a fifth brightness partition group 75, a sixth brightness partition group 76, a seventh brightness partition group 77, and an eighth brightness partition group 78. The first brightness partition group 71 includes columns 1-1, 2-3, 3-5, 4-7, and 5-8. The first group of brightness partitions includes 4 columns, the 6th row and 6th column, the 7th row and 8th column, and the 8th row and 2nd column; the second group of brightness partitions includes 1st row and 3rd column, 2nd row and 5th column, 3rd row and 7th column, 4th row and 1st column, 5th row and 6th column, 6th row and 8th column, 7th row and 2nd column, and 8th row and 4th column; the third group of brightness partitions includes 1st row and 2nd column, 2nd row and 4th column, 3rd row and 6th column, 4th row and 8th column, 5th row and 3rd column, 6th row and 5th column, 7th row and 7th column, and 8th row and 1st column; the fourth group of brightness partitions includes 4 columns, the 6th row and 6th column, the 7th row and 8th column, and the 8th row and 2nd column. Brightness partition group 74 includes brightness partitions 20 in the 1st row and 4th column, 2nd row and 6th column, 3rd row and 8th column, 4th row and 2nd column, 5th row and 5th column, 6th row and 7th column, 7th row and 1st column, and 8th row and 3rd column; the fifth brightness partition group 75 includes brightness partitions 20 in the 1st row and 7th column, 2nd row and 1st column, 3rd row and 3rd column, 4th row and 5th column, 5th row and 2nd column, 6th row and 4th column, 7th row and 6th column, and 8th row and 8th column; the sixth brightness partition group 76 includes brightness partitions 20 in the 1st row and 5th column, 2nd row and 7th column, 3rd row and 1st column, 4th row and 3rd column, and 8th row and 3rd column. The brightness partition group 77 includes the brightness partitions in the following columns: 3, 5th row 8th column, 6th row 2nd column, 7th row 4th column, and 8th row 6th column; the seventh brightness partition group 77 includes the brightness partitions in the following columns: 1st row 8th column, 2nd row 2nd column, 3rd row 4th column, 4th row 6th column, 5th row 1st column, 6th row 3rd column, 7th row 5th column, and 8th row 7th column; the eighth brightness partition group 78 includes the brightness partitions in the following columns: 1st row 6th column, 2nd row 8th column, 3rd row 2nd column, 4th row 4th column, 5th row 7th column, 6th row 1st column, 7th row 3rd column, and 8th row 5th column.

[0077] Continue to refer to Figures 6a-6hThe scanning electrodes 40 in the lamp panel 10 include a first scanning electrode 41, a second scanning electrode 42, a third scanning electrode 43, a fourth scanning electrode 44, a fifth scanning electrode 45, a sixth scanning electrode 46, a seventh scanning electrode 47, and an eighth scanning electrode 48. The first scanning electrode 41 is electrically connected to the light-emitting units 30 in the eight brightness zones 20 of the first brightness zone group 71; the second scanning electrode 42 is electrically connected to the light-emitting units 30 in the eight brightness zones 20 of the second brightness zone group 72; and the third scanning electrode 43 is electrically connected to the light-emitting units 30 in the eight brightness zones 20 of the third brightness zone group 73. The fourth scanning electrode 44 is electrically connected to the light-emitting units 30 in the eight brightness zones 20 of the fourth brightness zone group 74; the fifth scanning electrode 45 is electrically connected to the light-emitting units 30 in the eight brightness zones 20 of the fifth brightness zone group 75; the sixth scanning electrode 46 is electrically connected to the light-emitting units 30 in the eight brightness zones 20 of the sixth brightness zone group 76; the seventh scanning electrode 47 is electrically connected to the light-emitting units 30 in the eight brightness zones 20 of the seventh brightness zone group 77; and the eighth scanning electrode 48 is electrically connected to the light-emitting units 30 in the eight brightness zones 20 of the eighth brightness zone group 78.

[0078] Continue to refer to Figure 7In some embodiments of this application, within one phase cycle, the light-emitting units 30 in all brightness zones 20 on the lamp panel 10 are lit once. Wherein, one phase period includes one cycle, in which the driving signals of the first scanning electrode 41, the second scanning electrode 42, the third scanning electrode 43, the fourth scanning electrode 44, the fifth scanning electrode 45, the sixth scanning electrode 46, the seventh scanning electrode 47, and the eighth scanning electrode 48 are sequentially connected to the light-emitting unit 30 in each brightness partition 20 of the corresponding first brightness partition group 71, the second brightness partition group 72, the third brightness partition group 73, the fourth brightness partition group 74, the fifth brightness partition group 75, the sixth brightness partition group 76, the seventh brightness partition group 77, and the eighth brightness partition group 78. The first scanning electrode 41, the second scanning electrode 42, the third scanning electrode 43, the fourth scanning electrode 44, the fifth scanning electrode 45, the sixth scanning electrode 46, the seventh scanning electrode 47, and the eighth scanning electrode 48 are scanned sequentially. This scanning method enables the light-emitting units 30 in each brightness partition 20 of the first brightness partition group 71, each brightness partition 20 of the second brightness partition group 72, each brightness partition 20 of the third brightness partition group 73, each brightness partition 20 of the fourth brightness partition group 74, and each brightness partition 20 of the fifth brightness partition group 75 to be scanned sequentially. The light-emitting units 30 in the first brightness direction X, the light-emitting units 30 in each brightness partition 20 of the sixth brightness partition group 76, the light-emitting units 30 in each brightness partition 20 of the seventh brightness partition group 77, and the light-emitting units 30 in each brightness partition 20 of the eighth brightness partition group 78 are lit sequentially, thereby realizing that in two adjacent brightness partitions 20 in the first direction X, the light-emitting units 30 in one brightness partition 20 and the light-emitting units 30 in the other brightness partition 20 are not lit at the same time; and in two adjacent brightness partitions 20 in the second direction Y, the light-emitting units 30 in one brightness partition 20 and the light-emitting units 30 in the other brightness partition 20 are not lit at the same time.

[0079] Figure 8a This is a planar schematic diagram of the first part of the scanning electrode and scanning trace provided in Embodiment 2 of this application; Figure 8b This is a planar schematic diagram of the second portion of the scan trace provided in Embodiment 2 of this application. (Refer to...) Figure 8aand Figure 8b As shown, the scanning electrode 40 is connected to the light-emitting unit 30 in the brightness partition 20 through the scanning trace 50. The multiple scanning traces 50 include a first part 51 and a second part 52. The first part 51 is disposed on the same layer as the scanning electrode 40, and the second part 52 is disposed on a different layer from the first part 51.

[0080] In the lamp board 10 provided in this application, when the scanning trace 50 corresponding to one of the scanning electrodes 40 intersects with the scanning trace 50 corresponding to another scanning electrode 40 in the first direction X or the second direction Y, the two scanning traces 50 with different extension directions will interfere, increasing the difficulty of wiring design. This application improves the interference problem between two scanning traces 50 with different extension directions by including a first part 51 and a second part 52 in the multiple scanning traces 50, with the first part 51 disposed in the same layer as the scanning electrode 40 and the second part 52 disposed in a different layer from the first part 51, while minimizing the number of film layers, and reducing the wiring difficulty of the scanning traces 50 in the lamp board 10 through the double-layer design of the scanning traces 50.

[0081] Figure 9a This is a schematic diagram of the light distribution of a lamp panel in a related technology; Figure 9b This is a schematic diagram of the light distribution of the lamp panel provided in this application. (Refer to...) Figure 9a and Figure 9b Under the condition that the total lighting time of the lamp panel 10 is the same, the lamp panel 10 provided in this application has a better light distribution state and a better optical effect.

[0082] Secondly, embodiments of this application also provide a display panel, the display panel including the lamp panel 10 described in any of the above claims. Optionally, the display panel includes the lamp panel 10 and a liquid crystal cell, the liquid crystal cell including a first substrate, a second substrate, and a liquid crystal layer disposed between the first substrate and the second substrate.

[0083] Example 3 Figure 10a This is a planar schematic diagram of the first brightness partition group in the first brightness partition block corresponding to the first scanning electrode provided in Embodiment 3 of this application, showing the light-emitting unit in each brightness partition in the lit state. Figure 10b This is a planar schematic diagram of the first brightness partition group in the second brightness partition block corresponding to the second scanning electrode provided in Embodiment 3 of this application, showing the light-emitting unit in each brightness partition in the lit state. Figure 10c This is a planar schematic diagram of the light-emitting unit in the second brightness partition group of the first brightness partition block corresponding to the third scanning electrode provided in Embodiment 3 of this application, when the light-emitting unit in each brightness partition is in the lit state. Figure 10d This is a planar schematic diagram of the light-emitting unit in the second brightness partition group of the second brightness partition block corresponding to the fourth scanning electrode provided in Embodiment 3 of this application, when the light-emitting unit in each brightness partition is in the lit state. Figure 11 This is a timing control diagram for the first to fourth scanning electrodes provided in Embodiment 3 of this application.

[0084] Reference Figure 1 , Figure 10a , Figure 10b , Figure 10c , Figure 10d and Figure 11 As shown, in a first aspect, Embodiment 1 of this application provides a lamp panel 10, which includes a plurality of light-emitting units 30 and a plurality of brightness zones 20. Each brightness zone 20 is provided with a fixed number of light-emitting units 30. The plurality of brightness zones 20 include a plurality of brightness zones 20 arranged sequentially in a first direction X and a plurality of brightness zones 20 arranged sequentially in a second direction Y, wherein the first direction X and the second direction Y intersect. In two adjacent brightness zones 20 in the first direction X, the light-emitting units 30 in one brightness zone 20 and the light-emitting units 30 in the other brightness zone 20 are not lit at the same time. In two adjacent brightness zones 20 in the second direction Y, the light-emitting units 30 in one brightness zone 20 and the light-emitting units 30 in the other brightness zone 20 are not lit at the same time.

[0085] It should be noted that the structure of the lamp board 10 provided in Embodiment 3 of this application is similar to the structure of the lamp board 10 provided in Embodiment 1 of this application, and the same parts will not be described again in Embodiment 3 of this application.

[0086] In some embodiments of this application, the lamp board 10 includes m brightness partition blocks 60, where m ≥ 1 and m is an integer. Each brightness partition block 60 includes n brightness partition groups 70, where n ≥ 2 and n is an integer. Each brightness partition group 70 includes at least one brightness partition 20. The lamp board 10 includes m × n scanning electrodes 40, and each scanning electrode 40 is electrically connected to a light-emitting unit 30 in each brightness partition 20 of a brightness partition group 70. Two adjacent brightness partitions 20 in the first direction X belong to two different brightness partition groups 70, and two adjacent brightness partitions 20 in the second direction Y belong to two different brightness partition groups 70. One of the first direction X and the second direction Y is a row direction, and the other of the first direction X and the second direction Y is a column direction. Here, m is an integer greater than 1. That is, in the lamp board 10 provided in the embodiments of this application, the lamp board 10 includes multiple brightness partition blocks 60 to reduce process difficulty and improve production yield.

[0087] In some embodiments of this application, m is an integer greater than 1, and a phase period includes n cycles. In the nth cycle, each brightness partition 20 in the nth brightness partition group 70 in the first brightness partition block M1, up to each brightness partition 20 in the nth brightness partition group 70 in the mth brightness partition block 60, is lit up sequentially.

[0088] The lamp panel 10 provided in this application illuminates the light-emitting units 30 in each brightness partition 20 of the nth brightness partition group 70 in the first brightness partition block M1, up to the light-emitting units 30 in each brightness partition 20 of the nth brightness partition group 70 in the mth brightness partition block 60 in the nth cycle. This can minimize the problem of decreased optical effect of the lamp panel 10 caused by setting multiple brightness partition groups 70.

[0089] Continue to refer to Figure 10a , Figure 10b , Figure 10c , Figure 10d and Figure 11 In some embodiments of this application, m=2, n=2, and the lamp panel 10 includes a first luminance partition block M1 and a second luminance partition block M2 arranged symmetrically; wherein, the luminance partitions 20 in odd-numbered rows and odd-numbered columns and the luminance partitions 60 in even-numbered rows and even-numbered columns of the first luminance partition block M1 are the first luminance partition group M11 in the first luminance partition block M1, and the luminance partitions 20 in even-numbered rows and odd-numbered columns and the luminance partitions 60 in odd-numbered rows and even-numbered columns of the first luminance partition block M1 are the second luminance partition group M12 in the first luminance partition block M1; wherein, the luminance partitions 20 in odd-numbered rows and odd-numbered columns and the luminance partitions 60 in even-numbered rows and even-numbered columns of the second luminance partition block M2 are the first luminance partition group M21 in the second luminance partition block M2. The even-row, odd-column brightness partitions 20 and odd-row, even-column brightness partitions 60 in the second brightness partition block M2 constitute the second brightness partition group 70 in the second brightness partition block M2. One phase cycle includes two loops. In the first loop, the light-emitting units 30 in each brightness partition 20 of the first brightness partition group M11 in the first brightness partition block M1, and each brightness partition 20 of the first brightness partition group M21 in the second brightness partition block M2 are sequentially lit. Then, in the second loop, the light-emitting units 30 in each brightness partition 20 of the second brightness partition group M12 in the first brightness partition block M1, and each brightness partition 20 of the second brightness partition group M22 in the second brightness partition block M2 are sequentially lit. Of course, in other embodiments of this application, m can also be 3, 4, 5, 6, etc.; n can also be 3, 4, 5, 6, 7, 8, etc.

[0090] Continue to refer to Figure 10a , Figure 10b , Figure 10c , Figure 10d and Figure 11 In some embodiments of this application, the lamp panel 10 includes a plurality of scanning electrodes 40, the plurality of scanning electrodes 40 including a first scanning electrode 41, a second scanning electrode 42, a third scanning electrode 43 and a fourth scanning electrode 44. The first scanning electrode 41 is electrically connected to the light-emitting unit 30 in each brightness partition 20 of the first brightness partition group M11 in the first brightness partition block M1; the second scanning electrode 42 is electrically connected to the light-emitting unit 30 in each brightness partition 20 of the first brightness partition group M21 in the second brightness partition block M2; the third scanning electrode 43 is electrically connected to the light-emitting unit 30 in each brightness partition 20 of the second brightness partition group M12 in the first brightness partition block M1; and the fourth scanning electrode 44 is electrically connected to the light-emitting unit 30 in each brightness partition 20 of the second brightness partition group M22 in the second brightness partition block M2.

[0091] Secondly, embodiments of this application also provide a display panel, the display panel including the lamp panel 10 described in any of the above claims. Optionally, the display panel includes the lamp panel 10 and a liquid crystal cell, the liquid crystal cell including a first substrate, a second substrate, and a liquid crystal layer disposed between the first substrate and the second substrate.

[0092] Example 4 Figure 12a In the first brightness partition group corresponding to the first scanning electrode of the lamp board provided in Embodiment 4 of this application, the light-emitting unit in each brightness partition is a planar schematic diagram of the lit state. Figure 12b In the second brightness partition group corresponding to the second scanning electrode of the lamp board provided in Embodiment 4 of this application, the light-emitting unit in each brightness partition is a planar schematic diagram of the lit state. Figure 12c In the third brightness partition group corresponding to the third scanning electrode of the lamp board provided in Embodiment 4 of this application, the light-emitting unit in each brightness partition is a planar schematic diagram when it is lit.

[0093] Combination Figure 1 , Figure 12a , Figure 12b , Figure 12cAs shown, in a first aspect, Embodiment 1 of this application provides a lamp panel 10, which includes a plurality of light-emitting units 30 and a plurality of brightness zones 20. Each brightness zone 20 is provided with a fixed number of light-emitting units 30. The plurality of brightness zones 20 include a plurality of brightness zones 20 arranged sequentially in a first direction X and a plurality of brightness zones 20 arranged sequentially in a second direction Y, wherein the first direction X and the second direction Y intersect. In two adjacent brightness zones 20 in the first direction X, the light-emitting units 30 in one brightness zone 20 and the light-emitting units 30 in the other brightness zone 20 are not lit at the same time. In two adjacent brightness zones 20 in the second direction Y, the light-emitting units 30 in one brightness zone 20 and the light-emitting units 30 in the other brightness zone 20 are not lit at the same time.

[0094] It should be noted that the structure of the lamp board 10 provided in Embodiment 4 of this application is similar to the structure of the lamp board 10 provided in Embodiment 1 of this application, and the same parts will not be described again in Embodiment 4 of this application.

[0095] In some embodiments of this application, one of the brightness partition blocks 60 includes three brightness partition groups 70, each brightness partition group 70 includes three brightness partitions 20, and the nine brightness partition blocks 60 corresponding to the three brightness partition groups 70 form a nine-square grid structure, and the two brightness partitions 20 in each brightness partition group 70 are arranged in the same row, or the two brightness partitions 20 in each brightness partition group 70 are arranged in the same column.

[0096] In the lamp panel 10 provided in this application, when the number of brightness partitions 20 is odd, this application can ensure that two adjacent brightness partitions 20 in the first direction X belong to two different brightness partition groups 70, and two adjacent brightness partitions 20 in the second direction Y belong to two different brightness partition groups 70, by adjusting the number of scanning electrodes 40 and the distribution of brightness partition blocks 60 groups, so that each scanning electrode 40 still corresponds to the same number of brightness partitions 20, thereby ensuring the optical effect of the lamp panel 10.

[0097] Reference Figure 12a , Figure 12b and Figure 12cAs shown, the first brightness partition group 71 includes brightness partitions 20 in the first row and first column, the second row and second column, and the third row and first column; the second brightness partition group 72 includes brightness partitions 20 in the first row and second column, the second row and third column, and the third brightness partition group 73 includes brightness partitions 20 in the first row and third column, the second row and first column, and the third row and second column; the first scanning electrode 41 is electrically connected to the light-emitting units 30 in the three brightness partitions 20 of the first brightness partition group 71; the second scanning electrode 42 is electrically connected to the light-emitting units 30 in the three brightness partitions 20 of the second brightness partition group 72; and the third scanning electrode 43 is electrically connected to the light-emitting units 30 in the three brightness partitions 20 of the third brightness partition group 73.

[0098] It should be noted that, Figure 12a , Figure 12b and Figure 12c The illustrations show the configurations of two brightness zones 20 in the first brightness zone group 71, two brightness zones 20 in the second brightness zone group 72, and two brightness zones 20 in the third brightness zone group 73, respectively. However, in other embodiments of this application, the two brightness zones 20 in the first brightness zone group 71, the two brightness zones 20 in the second brightness zone group 72, and the two brightness zones 20 in the third brightness zone group 73 can be configured in the same row, and the configuration principle is the same as... Figure 12a , Figure 12b and Figure 12c Similarly, this application will not elaborate further.

[0099] Secondly, embodiments of this application also provide a display panel, the display panel including the lamp panel 10 described in any of the above claims. Optionally, the display panel includes the lamp panel 10 and a liquid crystal cell, the liquid crystal cell including a first substrate, a second substrate, and a liquid crystal layer disposed between the first substrate and the second substrate.

[0100] In summary, this application provides a lamp board and a display panel. The lamp board includes multiple light-emitting units and has multiple brightness zones. Each brightness zone has a fixed number of light-emitting units. The multiple brightness zones include multiple brightness zones arranged sequentially in a first direction and multiple brightness zones arranged sequentially in a second direction, with the first and second directions intersecting. In two adjacent brightness zones in the first direction, the light-emitting units in one brightness zone and the light-emitting units in the other brightness zone are not lit simultaneously. In two adjacent brightness zones in the second direction, the light-emitting units in one brightness zone and the light-emitting units in the other brightness zone are not lit simultaneously. In the lamp board and display panel provided in this application, since the light-emitting units in one brightness zone and the light-emitting units in another brightness zone are not lit simultaneously in two adjacent brightness zones in the first direction, and the light-emitting units in one brightness zone and the light-emitting units in another brightness zone are not lit simultaneously in two adjacent brightness zones in the second direction, the light-emitting units in multiple brightness zones can be lit alternately during actual use. On the one hand, this can improve the problem of instantaneous local energy concentration of the lamp board under PWM drive mode and suppress the possibility of short-term failure. On the other hand, it can also effectively reduce the probability of regular failure phenomenon of the lamp board under long-term lighting state, thereby improving the optical effect of the lamp board and the display panel using the lamp board and extending the life of the lamp board and the display panel using the lamp board.

[0101] The above provides a detailed description of a light panel and display panel provided in the embodiments of this application. Specific examples have been used to illustrate the principles and implementation methods of this application. The description of the above embodiments is only for the purpose of helping to understand the method and core ideas of this application. At the same time, for those skilled in the art, there will be changes in the specific implementation methods and application scope based on the ideas of this application. Therefore, the content of this specification should not be construed as a limitation of this application.

Claims

1. A light panel, characterized in that, The light panel has multiple brightness zones, and each brightness zone is provided with a fixed number of light-emitting units. The multiple brightness zones include multiple brightness zones arranged sequentially in a first direction and multiple brightness zones arranged sequentially in a second direction, wherein the first direction and the second direction intersect. In two adjacent brightness zones in the first direction, the light-emitting units in one brightness zone and the light-emitting units in the other brightness zone are not lit at the same time; In two adjacent brightness zones in the second direction, the light-emitting units in one brightness zone and the light-emitting units in the other brightness zone are not lit at the same time; The light panel includes m brightness partition blocks, where m is an integer greater than 1. Each brightness partition block includes n brightness partition groups, where n ≥ 2 and n is an integer. Each brightness partition group includes at least one brightness partition. The lamp panel includes m×n scanning electrodes, each of which is electrically connected to the light-emitting unit in each of the brightness zones in a brightness zone group, for controlling the lighting state of the light-emitting unit; One phase cycle consists of n cycles. In the nth cycle, each of the luminance partitions in the nth luminance partition group of the 1st luminance partition block, up to each of the nth luminance partition group of the mth luminance partition block, is lit sequentially.

2. The lamp panel according to claim 1, characterized in that, In two adjacent brightness zones in the first direction, the scanning electrode connected to the light-emitting unit in one brightness zone is different from the scanning electrode connected to the light-emitting unit in the other brightness zone; In two adjacent brightness zones in the second direction, the scanning electrode connected to the light-emitting unit in one brightness zone is different from the scanning electrode connected to the light-emitting unit in the other brightness zone; Furthermore, the timing of the driving signals of the scanning electrodes corresponding to two adjacent brightness zones in the first direction is different; the timing of the driving signals of the scanning electrodes corresponding to two adjacent brightness zones in the second direction is also different.

3. The lamp panel according to claim 2, characterized in that, The number of scanning electrodes is a, and the number of brightness zones is b. Each scanning electrode is electrically connected to the light-emitting units in b / a brightness zones, where b ≥ a ≥ 2, and b / a is an integer.

4. The lamp panel according to claim 2, characterized in that, Each of the luminance partition blocks includes multiple luminance partition rows and multiple luminance partition columns; In each of the brightness partition blocks, the scanning electrode corresponding to each brightness partition group is electrically connected to the light-emitting unit in at least one brightness partition in each brightness partition row.

5. The lamp panel according to claim 4, characterized in that, In each brightness partition block, the scanning electrode corresponding to each brightness partition group is electrically connected to the light-emitting unit in at least one brightness partition in each brightness partition column.

6. The lamp panel according to claim 2, characterized in that, m=2, n=2, the lamp panel includes a first brightness partition block and a second brightness partition block arranged symmetrically on the axis; Wherein, the luminance partitions in odd-numbered rows and odd-numbered columns and the luminance partitions in even-numbered rows and even-numbered columns in the first luminance partition block constitute the first luminance partition group in the first luminance partition block, and the luminance partitions in even-numbered rows and odd-numbered columns and the luminance partitions in odd-numbered rows and even-numbered columns in the first luminance partition block constitute the second luminance partition group in the first luminance partition block. Wherein, the luminance partitions in odd-numbered rows and odd-numbered columns and the luminance partitions in even-numbered rows and even-numbered columns in the second luminance partition block are the first luminance partition group in the second luminance partition block, and the luminance partitions in even-numbered rows and odd-numbered columns in the second luminance partition block are the second luminance partition group in the second luminance partition block. One phase period consists of two cycles. In the first cycle, each brightness partition in the first brightness partition group of the first brightness partition block, and each brightness partition in the first brightness partition group of the second brightness partition block, are lit sequentially; then, In the second cycle, each brightness partition in the second brightness partition group of the first brightness partition block and each brightness partition in the second brightness partition group of the second brightness partition block are lit up sequentially.

7. The lamp panel according to claim 2, characterized in that, One of the brightness partition blocks includes three brightness partition groups, each brightness partition group includes three brightness partitions, and the nine brightness partition blocks corresponding to the three brightness partition groups form a nine-grid structure. The two brightness partitions in each brightness partition group are arranged in the same row, or the two brightness partitions in each brightness partition group are arranged in the same column.

8. The lamp panel according to claim 2, characterized in that, The lamp panel also includes multiple scanning lines. The scanning electrode is connected to the light-emitting unit in the brightness zone through the scanning lines. The multiple scanning lines include a first part and a second part. The first part is disposed on the same layer as the scanning electrode, and the second part is disposed on a different layer from the first part.

9. A display panel, characterized in that, The display panel includes a light panel as described in any one of claims 1-8.

Images