WO2025145474A1 - 一种灯板及显示面板 - Google Patents
一种灯板及显示面板 Download PDFInfo
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- WO2025145474A1 WO2025145474A1 PCT/CN2024/072445 CN2024072445W WO2025145474A1 WO 2025145474 A1 WO2025145474 A1 WO 2025145474A1 CN 2024072445 W CN2024072445 W CN 2024072445W WO 2025145474 A1 WO2025145474 A1 WO 2025145474A1
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- brightness
- partition
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- brightness partition
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
- G09F9/00—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements
- G09F9/30—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements
- G09F9/33—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements being semiconductor devices, e.g. diodes
Definitions
- the present application relates to the field of display technology, and in particular to a light board and a display panel.
- Mini Light-Emitting Diode (Mini LED) display technology has entered an accelerated development stage 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 cost, contrast, brightness and appearance.
- HDR high dynamic range
- OLED organic light-emitting diode
- the light board in the Mini LED display panel is usually driven by the pulse width modulation (PWM) driving mode with low cost advantage.
- PWM pulse width modulation
- the phosphor layer in the Mini LED in the light board is prone to regular failure state (such as stripe failure) due to the scanning state, which seriously affects the visual taste and reduces the display quality of the Mini LED display panel. This problem needs to be solved urgently.
- the present application provides a light board and a display panel, which can effectively solve the problems of existing light boards such as excessive instantaneous brightness, easy rule failure, and poor optical effect.
- the present application provides a light board, the light board having a plurality of brightness partitions, each of the brightness partitions being provided with a fixed number of light-emitting units, the plurality of brightness partitions comprising a plurality of brightness partitions arranged in sequence in a first direction and a plurality of brightness partitions arranged in sequence in a second direction, the first direction and the second direction intersecting; in two adjacent brightness partitions in the first direction, the light-emitting units in one brightness partition are not lit at the same time as the light-emitting units in the other brightness partition; in two adjacent brightness partitions in the second direction, the light-emitting units in one brightness partition are not lit at the same time as the light-emitting units in the other brightness partition
- the present application provides a display panel, comprising the light board as described in any one of the above items.
- FIG. 1 is a plan view schematically showing a light board provided in Embodiment 1 of the present application.
- FIG. 2 is a graph showing the brightness and distance of a single bright state brightness partition in any direction.
- 3a is a plan view schematically showing a light-emitting unit in each brightness partition in a first brightness partition group corresponding to a first scanning electrode provided in Embodiment 1 of the present application when the light-emitting unit in each brightness partition is in a light-on state.
- 3 b is a plan view schematically showing a light-emitting unit in each brightness partition in a second brightness partition group corresponding to the second scanning electrode provided in the first embodiment of the present application when the light-emitting unit in each brightness partition is in a light-on state.
- FIG. 4 is a timing control diagram of the first scanning electrode and the second scanning electrode provided in the first embodiment of the present application.
- FIG. 5 is a schematic diagram of a membrane layer structure of a scanning line provided in an embodiment of the present application.
- FIG. 6a is a plan view schematically showing a light-emitting unit in each brightness partition in a first brightness partition group corresponding to a first scanning electrode provided in Embodiment 2 of the present application when the light-emitting unit in each brightness partition is in a light-on state.
- 6 b is a plan view schematically showing a light-emitting unit in each brightness partition in a second brightness partition group corresponding to a second scanning electrode provided in Embodiment 2 of the present application when the light-emitting unit in each brightness partition is in a light-on state.
- 6 d is a plan view schematically showing a light-emitting unit in each brightness partition in a fourth brightness partition group corresponding to the fourth scanning electrode provided in the second embodiment of the present application when the light-emitting unit in each brightness partition is in a light-on state.
- 6f is a plan view schematically showing a light-emitting unit in each brightness partition in the sixth brightness partition group corresponding to the sixth scanning electrode provided in the second embodiment of the present application when the light-emitting unit in each brightness partition is in a light-on state.
- 6g is a plan view schematically showing a light-emitting unit in each brightness partition in the seventh brightness partition group corresponding to the seventh scanning electrode provided in the second embodiment of the present application when the light-emitting unit in each brightness partition is in a light-on state.
- 10a is a plan view schematically showing a light-emitting unit in each brightness partition in the first brightness partition group in the first brightness partition block corresponding to the first scanning electrode provided in the third embodiment of the present application when the light-emitting unit in each brightness partition is in a lit state.
- 10b is a plan view schematically showing a light-emitting unit in each brightness partition in the first brightness partition group in the second brightness partition block corresponding to the second scanning electrode provided in the third embodiment of the present application when the light-emitting unit in each brightness partition is in a lit state.
- 10c is a plan view schematically showing a light-emitting unit in each brightness partition in the second brightness partition group in the first brightness partition block corresponding to the third scanning electrode provided in the third embodiment of the present application when the light-emitting unit in each brightness partition is in a lit state.
- 10d is a plan view schematically showing a light-emitting unit in each brightness partition in the second brightness partition group in the second brightness partition block corresponding to the fourth scanning electrode provided in the third embodiment of the present application when the light-emitting unit in each brightness partition is in a lit state.
- FIG. 11 is a timing control diagram of the first scanning electrode to the fourth scanning electrode provided in the third embodiment of the present application.
- 12b is a plan view schematically showing a light-emitting unit in each brightness partition in the second brightness partition group corresponding to the second scanning electrode of the lamp board provided in the fourth embodiment of the present application when the light-emitting unit in each brightness partition is in a lit state.
- 12c is a plan view schematically showing a light-emitting unit in each brightness partition in the third brightness partition group corresponding to the third scanning electrode of the lamp board provided in the fourth embodiment of the present application when the light-emitting unit in each brightness partition is in a lit state.
- the present application provides a light board, the light board having a plurality of brightness partitions, each of the brightness partitions being provided with a fixed number of light-emitting units, the plurality of brightness partitions comprising a plurality of brightness partitions arranged in sequence in a first direction and a plurality of brightness partitions arranged in sequence in a second direction, the first direction and the second direction intersecting; in two adjacent brightness partitions in the first direction, the light-emitting units in one brightness partition are not lit at the same time as the light-emitting units in the other brightness partition; in two adjacent brightness partitions in the second direction, the light-emitting units in one brightness partition are not lit at the same time as the light-emitting units in the other brightness partition
- the light board includes a plurality of scanning electrodes, which are electrically connected to the light-emitting units and are used to control the lighting state of the light-emitting units; wherein, in two adjacent brightness partitions in the first direction, the scanning electrode connected to the light-emitting units in one brightness partition is different from the scanning electrode connected to the light-emitting units in the other brightness partition; in two adjacent brightness partitions in the second direction, the scanning electrode connected to the light-emitting units in one brightness partition is different from the scanning electrode connected to the light-emitting units in the other brightness partition; and the timing of the driving signals of the scanning electrodes corresponding to the two adjacent brightness partitions in the first direction is different; the timing of the driving signals of the scanning electrodes corresponding to the two adjacent brightness partitions in the second direction is different.
- the number of the scanning electrodes is a, and the number of the brightness partitions is b, wherein each of the scanning electrodes is electrically connected to the light-emitting units in b/a brightness partitions, wherein b ⁇ a ⁇ 2, and b/a is an integer.
- the light board includes m brightness partition blocks, m ⁇ 1, and m is an integer, each of the brightness partition blocks includes n brightness partition groups, n ⁇ 2, and n is an integer, and each of the brightness partition groups includes at least one brightness partition; wherein the light board includes m ⁇ n scanning electrodes, and each scanning electrode is electrically connected to the light-emitting unit in each of the brightness partitions in a brightness partition group.
- 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 of the brightness partition groups is electrically connected to the light-emitting unit in at least one brightness partition in each brightness partition row.
- a scanning electrode corresponding to each brightness partition group is electrically connected to a light-emitting unit in at least one brightness partition in each brightness partition column.
- the scanning electrode corresponding to one brightness partition group is electrically connected to the light-emitting units in the brightness partitions of odd rows and odd columns and the light-emitting units in the brightness partitions of even rows and even columns
- the scanning electrode corresponding to the other brightness partition group is electrically connected to the light-emitting units in the brightness partitions of even rows and odd columns and the light-emitting units in the brightness partitions of odd rows and even columns.
- n is an integer greater than 2
- the scanning electrode corresponding to each of the brightness partition groups is electrically connected to a brightness partition in each brightness partition row, and the scanning electrode corresponding to each of the brightness partition groups is electrically connected to a brightness partition in each brightness partition column.
- n is an integer greater than 1
- a phase period includes n cycles.
- the light-emitting units in each brightness partition in the nth brightness partition group in the 1st brightness partition block to each brightness partition in the nth brightness partition group in the mth brightness partition block are lit in sequence.
- the light panel includes a first brightness partition block and a second brightness partition block that are axially symmetrically arranged; wherein the brightness partitions of odd rows and odd columns and the brightness partition blocks of even rows and even columns in the first brightness partition block are the first brightness partition group in the first brightness partition block, and the brightness partitions of even rows and odd columns and the brightness partition blocks of odd rows and even columns in the first brightness partition block are the second brightness partition group in the first brightness partition block; wherein the brightness partitions of odd rows and odd columns and the brightness partition blocks of even rows and even columns in the second brightness partition block are the first brightness partition group in the second brightness partition block, and the The brightness partitions of even rows and odd columns and the brightness partition blocks of odd rows and even columns in the second brightness partition block are the second brightness partition group in the second brightness partition block; wherein, one phase period includes 2 cycles, in the first cycle, the light-emitting units in each brightness partition in the first brightness partition group in the first brightness partition block and each brightness partition in the first brightness partition group
- one of the brightness partition blocks includes three brightness partition groups, each brightness partition group includes three brightness partition blocks, the nine brightness partition blocks corresponding to the three brightness partition groups form a nine-square 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.
- the light board also includes a plurality of scanning lines, the scanning electrodes are connected to the light-emitting units in the brightness partitions through the scanning lines, the plurality of scanning lines include a first part and a second part, the first part is arranged on the same layer as the scanning electrodes, and the second part is arranged on a different layer from the scanning lines.
- the present application provides a display panel, comprising the light board as described in any one of the above items.
- the present application provides a light board and a display panel, wherein the light board includes a plurality of light-emitting units, and the light board has a plurality of brightness zones, each of which is provided with a fixed number of light-emitting units, and the plurality of brightness zones include a plurality of brightness zones arranged in sequence in a first direction and a plurality of brightness zones arranged in sequence in a second direction, and 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-emitting units in one brightness partition and the light-emitting units in the other brightness partition are not lit at the same time, and in the 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 lit at the same time, therefore, in actual use of the lamp board, the light-emitting units in the multiple brightness partitions can be lit alternately, on the one hand, it can improve the problem of instantaneous local energy concentration of the lamp board in the PWM driving mode, and suppress the possibility of short-time failure, on the other hand, it can also effectively reduce the probability of regular failure of the lamp board when it is lit for a long time, 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.
- Figure 1 is a plan schematic diagram of a lamp board provided in the first embodiment of the present application
- Figure 2 is a curve diagram of the brightness and distance of a single bright-state brightness partition in any direction
- Figure 3a is a plan schematic diagram of a first brightness partition group corresponding to the first scanning electrode provided in the first embodiment of the present application, when the light-emitting unit in each brightness partition is in the lit state
- Figure 3b is a plan schematic diagram of a second brightness partition group corresponding to the second scanning electrode provided in the first embodiment of the present application, when the light-emitting unit in each brightness partition is in the lit state.
- embodiment 1 of the present application provides a lamp board 10, wherein the lamp board 10 includes a plurality of light-emitting units 30, and the lamp board 10 has a plurality of brightness partitions 20, each of which is provided with a fixed number of light-emitting units 30, and the plurality of brightness partitions 20 include a plurality of brightness partitions 20 arranged in sequence in a first direction X and a plurality of brightness partitions 20 arranged in sequence in a second direction Y, and the first direction X and the second direction Y intersect; in two adjacent brightness partitions 20 in the first direction X, the light-emitting units 30 in one brightness partition 20 are not lit at the same time as the light-emitting units 30 in the other brightness partition 20; in two adjacent brightness partitions 20 in the second direction Y, the light-emitting units 30 in one brightness partition 20 are not lit at the same time as the light-emitting units 30 in the other brightness partition 20.
- FIG2 the relationship between the brightness and distance of the light-emitting units 30 (such as Mini LEDs) in each brightness partition 20 in any direction is shown in FIG2 , where r represents the distance between a light-emitting unit 30 in the central area of a brightness partition 20 and the edge of the brightness partition 20 , that is, assuming that the shape of the brightness partition 20 is a square, when a light-emitting unit 30 in the central area 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, and Q2 is much lower than Q1.
- 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 the 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, therefore, in actual use of the lamp board 10, the light-emitting units 30 in the multiple brightness partitions 20 can be lit alternately, on the one hand, the problem of instantaneous local energy concentration of the lamp board 10 in the PWM driving mode can be improved, and the possibility of short-term failure can be suppressed, and on the other hand, the probability of regular failure of the lamp board 10 when it is lit for a long time can be effectively reduced, 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
- the timing of the driving signals of the scanning electrodes 40 corresponding to the two adjacent brightness partitions 20 in the first direction X is different, therefore, when the scanning electrode 40 connected to the light-emitting unit 30 in one of the two adjacent brightness partitions 20 in the first direction X is different from the scanning electrode 40 connected to the light-emitting unit 30 in the other brightness partition 20, it is possible to make one of the two adjacent brightness partitions 20 in the first direction X connected to the light-emitting unit 30.
- the light-emitting unit 30 in the brightness partition 20 is not lit at the same time as the light-emitting unit 30 in another brightness partition 20; similarly, since the timing of the driving signal of the scanning electrode 40 corresponding to the two adjacent brightness partitions 20 in the second direction Y is different, therefore, when the scanning electrode 40 connected to the light-emitting unit 30 in one of the two adjacent brightness partitions 20 in the second direction Y is different from the scanning electrode 40 connected to the light-emitting unit 30 in the other brightness partition 20, it is possible to make the light-emitting unit 30 in one of the two adjacent brightness partitions 20 in the second direction Y not light up at the same time as the light-emitting unit 30 in the other brightness partition 20.
- the number of the scanning electrodes 40 is a, and the number of the brightness partitions 20 is b, wherein each of the scanning electrodes 40 is electrically connected to the light-emitting units 30 in b/a brightness partitions 20, wherein b ⁇ a ⁇ 2, and b/a is an integer.
- the light board 10 includes m brightness partition blocks 60, m ⁇ 1, and m is an integer, each of the brightness partition blocks 60 includes n brightness partition groups 70, n ⁇ 2, and n is an integer, and each of the brightness partition groups 70 includes at least one brightness partition 20; wherein the light board 10 includes m ⁇ n scanning electrodes 40, and each scanning electrode 40 is electrically connected to the light-emitting unit 30 in each of the brightness partitions 20 in a brightness partition group 70; wherein two adjacent brightness partitions 20 in the first direction X belong to two different brightness partition groups 70, respectively, and two adjacent brightness partitions 20 in the second direction Y belong to two different brightness partition groups 70, respectively, 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.
- 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 20 row, the scanning line 50 corresponding to each scanning electrode 40 can be made as clear as possible in the wiring design, thereby reducing the design difficulty.
- 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 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, the scanning line 50 corresponding to each of the scanning electrodes 40 can be further made clearer in wiring design, thereby reducing the design difficulty.
- the light board 10 includes only one brightness partition block 60, and the brightness partition block 60 includes two brightness partition groups 70, namely a first brightness partition group 71 and a second brightness partition group 72;
- the light board 10 includes two scanning electrodes 40, namely a first scanning electrode 41 and a second scanning electrode 42, and the scanning electrode 40 corresponding to each of the brightness partition groups 70 in the brightness partition block 60 is electrically connected to the light-emitting units 30 in the multiple brightness partitions 20 in each brightness partition 20 row;
- the scanning electrode 40 corresponding to each of the brightness partition groups 70 in the brightness partition block 60 is electrically connected to the light-emitting units 30 in the multiple brightness partitions 20 in each brightness partition 20 column.
- the scanning electrode 40 i.e., the first scanning electrode 41 corresponding to one brightness partition group 70 (i.e., the first brightness partition group 71) is electrically connected to the light-emitting units 30 in the brightness partitions 20 of odd rows and odd columns and the light-emitting units 30 in the brightness partitions 20 of even rows and even columns
- the scanning electrode 40 i.e., the second scanning electrode 42 corresponding to another brightness partition group 70 (i.e., the second brightness partition group 72) is electrically connected to the light-emitting units 30 in the brightness partitions 20 of even rows and odd columns and the light-emitting units 30 in the brightness partitions 20 of odd rows and even columns.
- the brightness partition block 60 includes 4 rows and 4 columns, totaling 16 brightness partitions 20,
- 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 units 30 in the 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, and
- the one phase cycle includes one cycle, in which the driving signals in the first scanning electrode 41 and the second scanning electrode 42 are sequentially connected to the light-emitting units 30 in each brightness partition 20 in the corresponding first brightness partition group 71 and the light-emitting units 30 in each brightness partition 20 in the second brightness partition group 72, and 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 are scanned sequentially, and this scanning method can make the light-emitting units 30 in each brightness partition 20 in the first brightness partition group 71 light up before the light-emitting units 30 in each brightness partition 20 in the second brightness partition group 72 light up, 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-emit
- Figure 5 is a schematic diagram of the film layer structure of the scanning line provided in an embodiment of the present application.
- the light board 10 also includes a plurality of scanning lines 50, and the scanning electrode 40 is connected to the light-emitting unit 30 in the brightness partition 20 through the scanning line 50.
- the plurality of scanning lines 50 include a first part 51 and a second part 52.
- the first part 51 is arranged on the same layer as the scanning electrode 40, and the second part 52 is arranged on a different layer from the scanning line 50.
- the present application comprises the multiple scanning lines 50 including a first part 51 and a second part 52, wherein the first part 51 is arranged on the same layer as the scanning electrode 40, and the second part 52 is arranged on a different layer from the scanning line 50. This can reduce the number of film layers as much as possible, while improving the interference problem between the two scanning lines 50 with different extension directions through the double-layer design of the scanning line 50, thereby reducing the wiring difficulty of the scanning line 50 in the lamp board 10.
- an embodiment of the present application further provides a display panel, the display panel comprising any of the above-mentioned light boards 10.
- the display panel comprises the light board 10 and a liquid crystal box, the liquid crystal box comprising a first substrate, a second substrate and a liquid crystal layer disposed between the first substrate and the second substrate.
- Figure 6a is a plan schematic diagram of a light-emitting unit in each brightness partition in the first brightness partition group corresponding to the first scanning electrode provided in Example 2 of the present application when the light-emitting unit is in a lit state
- Figure 6b is a plan schematic diagram of a light-emitting unit in each brightness partition in the second brightness partition group corresponding to the second scanning electrode provided in Example 2 of the present application when the light-emitting unit is in a lit state
- Figure 6c is a plan schematic diagram of a light-emitting unit in each brightness partition in the third brightness partition group corresponding to the third scanning electrode provided in Example 2 of the present application when the light-emitting unit is in a lit state
- Figure 6d is a plan schematic diagram of a light-emitting unit in each brightness partition in the fourth brightness partition group corresponding to the fourth scanning electrode provided in Example 2 of the present application when the light-emitting unit is in a lit state
- Figure 6e is a plan schematic diagram of a light-emitting unit
- Embodiment 2 of the present application provides a lamp board 10, wherein the lamp board 10 includes a plurality of light-emitting units 30, and the lamp board 10 has a plurality of brightness partitions 20, each of which is provided with a fixed number of light-emitting units 30, and the plurality of brightness partitions 20 include a plurality of brightness partitions 20 arranged in sequence in a first direction X and a plurality of brightness partitions 20 arranged in sequence in a second direction Y, and the first direction X and the second direction Y intersect; 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; 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
- the structure of the lamp board 10 provided in the second embodiment of the present application is similar to the structure of the lamp board 10 provided in the first embodiment of the present application, and the same parts will not be repeated in the second embodiment of the present application.
- the scanning electrode 40 corresponding to each brightness partition group 70 is electrically connected to a brightness partition 20 in each brightness partition 20 row
- the scanning electrode 40 corresponding to each brightness partition group 70 is electrically connected to a brightness partition 20 in each brightness partition 20 column.
- the present application can reduce the number of brightness partitions 20 corresponding to the scanning electrode 40 by performing more detailed group division of the multiple brightness partitions 20 in the brightness partition block 60, reduce the driving load of the scanning electrode 40, and extend the service life of the lamp board 10.
- the brightness partition block 60 of the light panel 10 includes 8 rows and 8 columns, totaling 64 brightness partitions 20, wherein 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 the 1st row and the 1st column, the 2nd row and the 3rd column, the 3rd row and the 5th column, the 4th row and the 5th column.
- the second brightness subarea group 72 includes the brightness subarea 20 of the 1st row and the 3rd column, the 2nd row and the 5th column, the
- the seventh brightness partition group 77 includes the brightness partition 20 of the 1st row and the 8th column, the 2nd row and the 2nd column, the 3rd row and the 4th column, the 4th row and the 6th column, the 5th row and the 1st column, the 6th row and the 3rd column, the 7th row and the 5th column, and the 8th row and the 7th column;
- the eighth brightness partition group 78 includes the brightness partition 20 of the 1st row and the 6th column, the 2nd row and the 8th column, the 3rd row and the 2nd column, the 4th row and the 4th column, the 5th row and the 7th column, the 6th row and the 1st column, the 7th row and the 3rd column, and the 8th row and the 5th
- the scanning electrodes 40 in the light board 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, wherein the first scanning electrode 41 is electrically connected to the light-emitting units 30 in the eight brightness partitions 20 in the first brightness partition group 71, the second scanning electrode 42 is electrically connected to the light-emitting units 30 in the eight brightness partitions 20 in the second brightness partition group 72, and the third scanning electrode 43 is electrically connected to the light-emitting units 30 in the eight brightness partitions 20 in the third brightness partition group 73.
- the fourth scanning electrode 44 is electrically connected to the light-emitting units 30 in the eight brightness partitions 20 in the fourth brightness partition group 74
- the fifth scanning electrode 45 is electrically connected to the light-emitting units 30 in the eight brightness partitions 20 in the fifth brightness partition group 75
- the sixth scanning electrode 46 is electrically connected to the light-emitting units 30 in the eight brightness partitions 20 in the sixth brightness partition group 76
- the seventh scanning electrode 47 is electrically connected to the light-emitting units 30 in the eight brightness partitions 20 in the seventh brightness partition group 77
- the eighth scanning electrode 48 is electrically connected to the light-emitting units 30 in the eight brightness partitions 20 in the eighth brightness partition group 78.
- the one phase period includes one cycle, in which the driving signals in 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 corresponding light-emitting units 30 in each brightness partition 20 in the first brightness partition group 71, the light-emitting units 30 in each brightness partition 20 in the second brightness partition group 72, the light-emitting units 30 in each brightness partition 20 in the third brightness partition group 73, the light-emitting units 30 in each brightness partition 20 in the fourth brightness partition group 74, the light-emitting units 30 in each brightness partition 20 in the fifth brightness partition group 75, the light-emitting units 30 in each brightness partition 20 in the sixth brightness partition group 76, the light-emitting units 30 in each brightness partition
- the present application comprises the multiple scanning lines 50 including a first part 51 and a second part 52, wherein the first part 51 is arranged on the same layer as the scanning electrode 40, and the second part 52 is arranged on a different layer from the scanning line 50. This can reduce the number of film layers as much as possible, while improving the interference problem between the two scanning lines 50 with different extension directions through the double-layer design of the scanning line 50, thereby reducing the wiring difficulty of the scanning line 50 in the lamp board 10.
- FIG9a is a schematic diagram of light distribution of a light board in the related art
- FIG9b is a schematic diagram of light distribution of a light board provided by the present application. Referring to FIG9a and FIG9b, when the total lighting time of the light board 10 is the same, the light board 10 provided by the present application has a better light distribution state and a better optical effect.
- an embodiment of the present application further provides a display panel, the display panel comprising any of the above-mentioned light boards 10.
- the display panel comprises the light board 10 and a liquid crystal box, the liquid crystal box comprising a first substrate, a second substrate and a liquid crystal layer disposed between the first substrate and the second substrate.
- Figure 10a is a plan schematic diagram of the light-emitting units in each brightness partition in the first brightness partition group in the first brightness partition block corresponding to the first scanning electrode provided in Example 3 of the present application when the light-emitting units in each brightness partition are in the illuminated state
- Figure 10b is a plan schematic diagram of the light-emitting units in each brightness partition in the first brightness partition group in the second brightness partition block corresponding to the second scanning electrode provided in Example 3 of the present application when the light-emitting units in each brightness partition are in the illuminated state
- Figure 10c is a plan schematic diagram of the light-emitting units in each brightness partition in the second brightness partition group in the first brightness partition block corresponding to the third scanning electrode provided in Example 3 of the present application when the light-emitting units in each brightness partition are in the illuminated state
- Figure 10d is a plan schematic diagram of the light-emitting units in each brightness partition in the second brightness partition group in the second brightness partition block corresponding to the fourth scanning electrode provided in Example 3 of the present application when the
- Embodiment 1 of the present application provides a lamp board 10, wherein the lamp board 10 includes a plurality of light-emitting units 30, and the lamp board 10 has a plurality of brightness partitions 20, each of which is provided with a fixed number of light-emitting units 30, and the plurality of brightness partitions 20 include a plurality of brightness partitions 20 arranged in sequence in a first direction X and a plurality of brightness partitions 20 arranged in sequence in a second direction Y, and the first direction X and the second direction Y intersect; 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; 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; in two adjacent brightness partitions 20 in the second direction Y, the light-emitting units
- the lamp board 10 includes m brightness partition blocks 60, m ⁇ 1, and m is an integer, each of the brightness partition blocks 60 includes n brightness partition groups 70, n ⁇ 2, and n is an integer, and each of the brightness partition groups 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 the light-emitting unit 30 in each of the brightness partitions 20 in a brightness partition group 70; wherein two adjacent brightness partitions 20 in the first direction X belong to two different brightness partition groups 70, respectively, and two adjacent brightness partitions 20 in the second direction Y belong to two different brightness partition groups 70, respectively, 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, wherein m is an integer greater than 1, that is, in the lamp board 10 provided in the embodiment of the present application, the lamp board 10 includes a plurality of brightness partition blocks 60 to
- n is an integer greater than 1, and one phase period includes n cycles.
- each brightness partition 20 in the nth brightness partition group 70 in the 1st brightness partition block M1 to each brightness partition 20 in the nth brightness partition group 70 in the mth brightness partition block 60 are lit up in sequence.
- the light board 10 provided in the present application can avoid as much as possible the problem of reduced optical effect of the light board 10 caused by setting multiple brightness partition groups 70 by lighting up in sequence the light-emitting units 30 in each brightness partition 20 in the nth brightness partition group 70 in the first brightness partition block M1 in the nth cycle, to the light-emitting units 30 in each brightness partition 20 in the nth brightness partition group 70 in the mth brightness partition block 60.
- the light panel 10 includes a first brightness partition block M1 and a second brightness partition block M2 that are axially symmetrically arranged; wherein the brightness partitions 20 of odd rows and odd columns and the brightness partition blocks 60 of even rows and even columns in the first brightness partition block M1 are the first brightness partition group M11 in the first brightness partition block M1, and the brightness partitions 20 of even rows and odd columns and the brightness partition blocks 60 of odd rows and even columns in the first brightness partition block M1 are the second brightness partition group M12 in the first brightness partition block M1; wherein the brightness partitions 20 of odd rows and odd columns and the brightness partition blocks 60 of even rows and even columns in the second brightness partition block M2 are the second brightness partition group M11 in the second brightness partition block M1.
- the brightness partitions 20 of the even rows and odd columns and the brightness partition blocks 60 of the odd rows and even columns in the second brightness partition block M2 are the second brightness partition group 70 in the second brightness partition block M2; wherein, one phase period includes 2 cycles, in the first cycle, the light-emitting units 30 in each brightness partition 20 in the first brightness partition group M11 in the first brightness partition block M1 and each brightness partition 20 in the first brightness partition group M21 in the second brightness partition block M2 are sequentially lit; thereafter, in the second cycle, the light-emitting units 30 in each brightness partition 20 in the second brightness partition group M12 in the first brightness partition block M1 and each brightness partition 20 in the second brightness partition group M22 in the second brightness partition block M2 are sequentially lit.
- m can also be 3, 4, 5, 6, etc.
- n can also be 3, 4, 5, 6, 7, 8, etc.
- an embodiment of the present application further provides a display panel, the display panel comprising any of the above-mentioned light boards 10.
- the display panel comprises the light board 10 and a liquid crystal box, the liquid crystal box comprising a first substrate, a second substrate and a liquid crystal layer disposed between the first substrate and the second substrate.
- Figure 12a is a plan schematic diagram of the first brightness zone group corresponding to the first scanning electrode of the lamp board provided in Example 4 of the present application, when the light-emitting unit in each brightness zone is in a lit state
- Figure 12b is a plan schematic diagram of the second brightness zone group corresponding to the second scanning electrode of the lamp board provided in Example 4 of the present application, when the light-emitting unit in each brightness zone is in a lit state
- Figure 12c is a plan schematic diagram of the third brightness zone group corresponding to the third scanning electrode of the lamp board provided in Example 4 of the present application, when the light-emitting unit in each brightness zone is in a lit state.
- Embodiment 1 of the present application provides a lamp board 10, wherein the lamp board 10 includes a plurality of light-emitting units 30, and the lamp board 10 has a plurality of brightness partitions 20, each of which is provided with a fixed number of light-emitting units 30, and the plurality of brightness partitions 20 include a plurality of brightness partitions 20 arranged in sequence in a first direction X and a plurality of brightness partitions 20 arranged in sequence in a second direction Y, and the first direction X and the second direction Y intersect; 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; 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.
- the structure of the lamp board 10 provided in the fourth embodiment of the present application is similar to the structure of the lamp board 10 provided in the first embodiment of the present application, and the fourth embodiment of the present application will not repeat the same parts.
- 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 of the brightness partition groups 70 are arranged in the same row, or, the two brightness partitions 20 in each of the brightness partition groups 70 are arranged in the same column.
- the present application can ensure that two adjacent brightness zones 20 in the first direction X belong to two different brightness zone groups 70 respectively, and two adjacent brightness zones 20 in the second direction Y belong to two different brightness zone groups 70 respectively, by adjusting the number of scanning electrodes 40 and the distribution state of the brightness zone block 60 group, so that each of the scanning electrodes 40 still corresponds to the same number of brightness zones 20, thereby ensuring the optical effect of the lamp board 10.
- the first brightness partition group 71 includes brightness partitions 20 of the 1st row and 1st column, the 2nd row and 2nd column, and the 3rd row and 1st column
- the second brightness partition group 72 includes brightness partitions 20 of the 1st row and 2nd column, the 2nd row and 3rd column
- the third brightness partition group 73 includes brightness partitions 20 of the 1st row and 3rd column, the 2nd row and 1st column, and the 3rd row and 2nd column
- the first scanning electrode 41 is electrically connected to the light-emitting units 30 in the three brightness partitions 20 in 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 in the second brightness partition group 72
- the third scanning electrode 43 is electrically connected to the light-emitting units 30 in the three brightness partitions 20 in the third brightness partition group 73.
- FIG. 12a, FIG. 12b and FIG. 12c respectively show the case where two brightness partitions 20 in the first brightness partition group 71 are arranged in the same column, two brightness partitions 20 in the second brightness partition group 72 are arranged in the same column, and two brightness partitions 20 in the third brightness partition group 73 are arranged in the same column.
- the two brightness partitions 20 in the first brightness partition group 71 may be arranged in the same column
- the two brightness partitions 20 in the second brightness partition group 72 may be arranged in the same column
- the two brightness partitions 20 in the third brightness partition group 73 may be arranged in the same column
- the setting principle thereof is similar to that of FIG. 12a, FIG. 12b and FIG. 12c, and the present application will not repeat them here.
- an embodiment of the present application further provides a display panel, the display panel comprising any of the above-mentioned light boards 10.
- the display panel comprises the light board 10 and a liquid crystal box, the liquid crystal box comprising a first substrate, a second substrate and a liquid crystal layer disposed between the first substrate and the second substrate.
- the present application provides a light board and a display panel
- the light board includes a plurality of light-emitting units
- the light board has a plurality of brightness zones, a fixed number of light-emitting units are arranged in each brightness zone
- the plurality of brightness zones include a plurality of brightness zones arranged in sequence in a first direction and a plurality of brightness zones arranged in sequence in a second direction, the first direction and the second direction intersect; in two brightness zones adjacent 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 brightness zones adjacent 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-emitting units in one brightness partition and the light-emitting units in the other brightness partition are not lit at the same time, and 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 lit at the same time, therefore, in actual use of the lamp board, the light-emitting units in multiple brightness partitions can be lit alternately, on the one hand, it can improve the problem of instantaneous local energy concentration of the lamp board in the PWM driving mode, and suppress the possibility of short-term failure, on the other hand, it can also effectively reduce the probability of regular failure of the lamp board when it is lit for a long time, 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.
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Abstract
提供一种灯板(10)及显示面板，灯板(10)包括多个发光单元(30)，灯板(10)具有多个亮度分区(20)，每个亮度分区(20)内设置有固定数量的发光单元(30)，第一方向上相邻的两个亮度分区(20)中，一个亮度分区(20)中的发光单元(30)与另一个亮度分区(20)中的发光单元(30)不同时点亮；第二方向上相邻的两个亮度分区(20)中，一个亮度分区(20)中的发光单元(30)与另一个亮度分区(20)中的发光单元(30)不同时点亮。
Description
本申请涉及显示技术领域，具体涉及一种灯板及显示面板。
迷你型发光二极管（英文全称：Mini Light-Emitting Diode，简称：Mini LED）显示技术在近两年进入加速发展阶段，广泛应用于高动态范围（英文全称：High Dynamic Range，简称：HDR）图像传感器及全面屏的显示应用中，相较于有机发光二极管（英文全称：Organic Light-Emitting Diode，简称：OLED）显示屏，Mini LED显示屏在成本、对比度、亮度以及外形上表现出更佳优势。
目前，Mini LED显示面板中的灯板通常采用具有成本低优势的脉冲宽度调制（英文全称：Pulse Width Modulation，简称：PWM）驱动模式进行驱动，但在PWM驱动模式下，由于瞬时亮度过大，灯板中的Mini LED中的荧光粉层容易随扫描状态而出现的规则失效状态（如条纹失效），严重影响视觉品味，使得Mini LED显示面板的显示质量下降，此问题亟待解决。
本申请提供一种灯板及显示面板，能够有效解决现有的灯板存在的瞬时亮度过大、容易出现规则失效、光学效果较差的问题。
第一方面，本申请提供一种灯板，所述灯板具有多个亮度分区，每个所述亮度分区内设置有固定数量的发光单元，所述多个亮度分区包括在第一方向上依次排列的多个亮度分区和在第二方向上依次排列的多个亮度分区，所述第一方向和所述第二方向相交；在所述第一方向上相邻的两个所述亮度分区中，一个所述亮度分区中的发光单元与另一个所述亮度分区中的发光单元不同时点亮； 在所述第二方向上相邻的两个所述亮度分区中，一个所述亮度分区中的发光单元与另一个所述亮度分区中的发光单元不同时点亮
第二方面，本申请提供一种显示面板，所述显示面板包括上述任一项所述的灯板。
为了更清楚地说明本申请实施例中的技术方案，下面将对实施例描述中所需要使用的附图作简单地介绍，显而易见地，下面描述中的附图仅仅是本申请的一些实施例，对于本领域技术人员来讲，在不付出创造性劳动的前提下，还可以根据这些附图获得其他的附图。
图1为本申请实施例一提供的灯板的平面示意图。
图2为单一的亮态的亮度分区在任一方向上的亮度与距离的曲线图。
图3a为本申请实施例一提供的第一扫描电极所对应的第一亮度分区组中，每个亮度分区中的发光单元为点亮状态时的平面示意图。
图3b为本申请实施例一提供的第二扫描电极所对应的第二亮度分区组中，每个亮度分区中的发光单元为点亮状态时的平面示意图。
图4为本申请实施例一提供的第一扫描电极和第二扫描电极的时序控制图。
图5为本申请实施例提供的扫描走线的膜层结构示意图。
图6a为本申请实施例二提供的第一扫描电极所对应的第一亮度分区组中，每个亮度分区中的发光单元为点亮状态时的平面示意图。
图6b为本申请实施例二提供的第二扫描电极所对应的第二亮度分区组中，每个亮度分区中的发光单元为点亮状态时的平面示意图。
图6c为本申请实施例二提供的第三扫描电极所对应的第三亮度分区组中，每个亮度分区中的发光单元为点亮状态时的平面示意图。
图6d为本申请实施例二提供的第四扫描电极所对应的第四亮度分区组中，每个亮度分区中的发光单元为点亮状态时的平面示意图。
图6e为本申请实施例二提供的第五扫描电极所对应的第五亮度分区组中，每个亮度分区中的发光单元为点亮状态时的平面示意图。
图6f为本申请实施例二提供的第六扫描电极所对应的第六亮度分区组中，每个亮度分区中的发光单元为点亮状态时的平面示意图。
图6g为本申请实施例二提供的第七扫描电极所对应的第七亮度分区组中，每个亮度分区中的发光单元为点亮状态时的平面示意图。
图6h为本申请实施例二提供的第八扫描电极所对应的第八亮度分区组中，每个亮度分区中的发光单元为点亮状态时的平面示意图。
图7为本申请实施例二提供的第一扫描电极至第八扫描电极的时序控制图。
图8a为本申请实施例二提供的扫描电极和扫描走线的第一部分的平面示意图。
图8b为本申请实施例二提供的扫描走线的第二部分的平面示意图。
图9a为相关技术中的灯板的光分布示意图。
图9b为本申请提供的灯板的光分布示意图。
图10a为本申请实施例三提供的第一扫描电极所对应的第1个亮度分区块中的第1个亮度分区组中，每个亮度分区中的发光单元为点亮状态时的平面示意图。
图10b为本申请实施例三提供的第二扫描电极所对应第2个亮度分区块中的第1个亮度分区组中，每个亮度分区中的发光单元为点亮状态时的平面示意图。
图10c为本申请实施例三提供的第三扫描电极所对应的第1个亮度分区块中的第2个亮度分区组中，每个亮度分区中的发光单元为点亮状态时的平面示意图。
图10d为本申请实施例三提供的第四扫描电极所对应的第2个亮度分区块中的第2个亮度分区组中，每个亮度分区中的发光单元为点亮状态时的平面示意图。
图11为本申请实施例三提供的第一扫描电极至第四扫描电极的时序控制图。
图12a为本申请实施例四提供的灯板的第一扫描电极所对应的第一亮度分区组中，每个亮度分区中的发光单元为点亮状态时的平面示意图。
图12b为本申请实施例四提供的灯板的第二扫描电极所对应的第二亮度分区组中，每个亮度分区中的发光单元为点亮状态时的平面示意图。
图12c为本申请实施例四提供的灯板的第三扫描电极所对应的第三亮度分区组中，每个亮度分区中的发光单元为点亮状态时的平面示意图。
附图标记说明：
灯板10；亮度分区20；发光单元30；扫描电极40；第一扫描电极41；第二扫描电极42；第三扫描电极43；第四扫描电极44；第五扫描电极45；第六扫描电极46；第七扫描电极47；第八扫描电极48；扫描走线50；第一部分51；第二部分52；亮度分区块60；亮度分区组70；第一亮度分区组71；第二亮度分区组72；第三亮度分区组73；第四亮度分区组74；第五亮度分区组75；第六亮度分区组76；第七亮度分区组77；第八亮度分区组78；第1个亮度分区块M1；第2个亮度分区块M2；第1个亮度分区块中的第1个亮度分区组M11；第2个亮度分区块中的第1个亮度分区组M21；第1个亮度分区块中的第2个亮度分区组M12；第2个亮度分区块中的第2个亮度分区组M22；第一方向X；第二方向Y；
第一方面，本申请提供一种灯板，所述灯板具有多个亮度分区，每个所述亮度分区内设置有固定数量的发光单元，所述多个亮度分区包括在第一方向上依次排列的多个亮度分区和在第二方向上依次排列的多个亮度分区，所述第一方向和所述第二方向相交；在所述第一方向上相邻的两个所述亮度分区中，一个所述亮度分区中的发光单元与另一个所述亮度分区中的发光单元不同时点亮； 在所述第二方向上相邻的两个所述亮度分区中，一个所述亮度分区中的发光单元与另一个所述亮度分区中的发光单元不同时点亮
可选的，所述灯板包括多个扫描电极，所述扫描电极与所述发光单元电性连接，用于控制所述发光单元的点亮状态；其中，在所述第一方向上相邻的两个所述亮度分区中，一个所述亮度分区中的发光单元所连接的扫描电极与另一个所述亮度分区中的发光单元所连接的扫描电极不同； 在所述第二方向上相邻的两个所述亮度分区中，一个所述亮度分区中的发光单元所连接的扫描电极与另一个所述亮度分区中的发光单元所连接的扫描电极不同；且在所述第一方向相邻的两个所述亮度分区所对应的扫描电极的驱动信号的时序不同；在所述第二方向上相邻的两个所述亮度分区所对应的扫描电极的驱动信号的时序不同。
可选的，所述扫描电极的数量为a，所述亮度分区的数量为b，其中，每个所述扫描电极与b/a个亮度分区中的发光单元电性连接，其中，b≥a≥2，且b/a为整数。
可选的，所述灯板包括m个亮度分区块，m≥1，且m为整数，每个所述亮度分区块包括n个亮度分区组，n≥2，且n为整数，每个所述亮度分区组包括至少一个亮度分区；其中，所述灯板包括m×n个扫描电极，且每个扫描电极与一个亮度分区组中的每个所述亮度分区中的发光单元电性连接。
可选的，每个所述亮度分区块包括多个亮度分区行和多个亮度分区列；其中，每个所述亮度分区块中，每个所述亮度分区组所对应的扫描电极，与每个亮度分区行中的至少一个亮度分区中的发光单元电性连接。
可选的，每个亮度分区块中，每个所述亮度分区组所对应的扫描电极，与每个亮度分区列中的至少一个亮度分区中的发光单元电性连接。
可选的，m=1，n=2，其中一个亮度分区组所对应的扫描电极电性连接奇数行奇数列的亮度分区中的发光单元和偶数行偶数列的亮度分区中的发光单元，另外一个亮度分区组所对应的扫描电极电性连接偶数行奇数列的亮度分区中的发光单元和奇数行偶数列的亮度分区中的发光单元。
可选的，m=1，n为大于2的整数，且每个所述亮度分区组所对应的扫描电极与每个亮度分区行中的一个亮度分区电性连接，每个所述亮度分区组所对应的扫描电极与每个亮度分区列中的一个亮度分区电性连接。
可选的，m为大于1的整数，一个相位周期包括n个循环，第n个循环中，第1个亮度分区块中的第n个亮度分区组中的每个亮度分区中的发光单元，至第m个亮度分区块中的第n个亮度分区组中的每个亮度分区依次点亮。
可选的，m=2，n=2，所述灯板包括轴对称设置的第1个亮度分区块和第2个亮度分区块；其中，所述第1个亮度分区块中的奇数行奇数列的亮度分区、偶数行偶数列的亮度分区块为所述第1个亮度分区块中的第1个亮度分区组，所述第1个亮度分区块中的偶数行奇数列的亮度分区、奇数行偶数列的亮度分区块为所述第1个亮度分区块中的第2个亮度分区组；其中，所述第2个亮度分区块中的奇数行奇数列的亮度分区、偶数行偶数列的亮度分区块为所述第2个亮度分区块中的第1个亮度分区组，所述第2个亮度分区块中的偶数行奇数列的亮度分区、奇数行偶数列的亮度分区块为所述第2个亮度分区块中的第2亮度分区组；其中，一个相位周期包括2个循环，第1个循环中，所述第1个亮度分区块中的第1个亮度分区组中的每个亮度分区中的发光单元、所述第2个亮度分区块中的第1个亮度分区组中的每个亮度分区依次点亮；之后，第2个循环中，所述第1个亮度分区块中的第2个亮度分区组中的每个亮度分区中的发光单元、所述第2个亮度分区块中的第2个亮度分区组中的每个亮度分区依次点亮。
可选的，其中一个所述亮度分区块包括三个亮度分区组，每个亮度分区组包括三个亮度分区块，三个所述亮度分区组所对应九个亮度分区块组成九宫格结构，且每个所述亮度分区组中的两个亮度分区同行设置，或，每个所述亮度分区组中的两个亮度分区同列设置。
可选的，所述灯板还包括多条扫描走线，所述扫描电极通过所述扫描走线与所述亮度分区中的发光单元相连接，所述多条扫描走线包括第一部分和第二部分，所述第一部分与所述扫描电极同层设置，所述第二部分与所述扫描走线异层设置。
第二方面，本申请提供一种显示面板，所述显示面板包括上述任一项所述的灯板。
本申请提供一种灯板及显示面板，所述灯板包括多个发光单元，所述灯板具有多个亮度分区，每个所述亮度分区内设置有固定数量的发光单元，所述多个亮度分区包括在第一方向上依次排列的多个亮度分区和第二方向上依次排列的多个亮度分区，所述第一方向和所述第二方向相交；在所述第一方向上相邻的两个所述亮度分区中，一个所述亮度分区中的发光单元与另一个所述亮度分区中的发光单元不同时点亮；在所述第二方向上相邻的两个所述亮度分区中，一个所述亮度分区中的发光单元与另一个所述亮度分区中的发光单元不同时点亮。本申请提供的所述灯板及显示面板中，由于在所述第一方向上相邻的两个所述亮度分区中，一个所述亮度分区中的发光单元与另一个所述亮度分区中的发光单元不同时点亮，且在所述第二方向上相邻的两个所述亮度分区中，一个所述亮度分区中的发光单元与另一个所述亮度分区中的发光单元不同时点亮，因此，能够使所述灯板在实际使用过程中，所述多个亮度分区中的发光单元能够被交错点亮，一方面能够改善PWM驱动模式下，灯板的瞬时局部能量集中的问题，抑制了短时失效可能性，另一方面还能够有效降低灯板在长时间点灯状态下出现规则失效现象的几率，进而提高了灯板及应用该灯板的显示面板的光学效果，延长了灯板及应用该灯板的显示面板的寿命。
下面将结合本申请实施例中的附图，对本申请实施例中的技术方案进行清楚、完整地描述，显然，所描述的实施例仅仅是本申请一部分实施例，而不是全部的实施例。基于本申请中的实施例，本领域技术人员在没有作出创造性劳动前提下所获得的所有其他实施例，都属于本申请保护的范围。此外，应当理解的是，此处所描述的具体实施方式仅用于说明和解释本申请，并不用于限制本申请。在本申请中，在未作相反说明的情况下，使用的方位词如“上”和“下”通常是指装置实际使用或工作状态下的上和下，具体为附图中的图面方向；而“内”和“外”则是针对装置的轮廓而言的。
下文的公开提供了许多不同的实施方式或例子用来实现本申请的不同结构。为了简化本申请的公开，下文中对特定例子的部件和设置进行描述。当然，它们仅仅为示例，并且目的不在于限制本申请。此外，本申请可以在不同例子中重复参考数字和/或参考字母，这种重复是为了简化和清楚的目的，其本身不指示所讨论各种实施方式和/或设置之间的关系。此外，本申请提供了的各种特定的工艺和材料的例子，但是本领域普通技术人员可以意识到其他工艺的应用和/或其他材料的使用。以下分别进行详细说明，需说明的是，以下实施例的描述顺序不作为对实施例优选顺序的限定。
实施例一
图1为本申请实施例一提供的灯板的平面示意图；图2为单一的亮态的亮度分区在任一方向上的亮度与距离的曲线图；图3a为本申请实施例一提供的第一扫描电极所对应的第一亮度分区组中，每个亮度分区中的发光单元为点亮状态时的平面示意图；图3b为本申请实施例一提供的第二扫描电极所对应的第二亮度分区组中，每个亮度分区中的发光单元为点亮状态时的平面示意图。结合图1、图2、图3a和图3b所示，第一方面，本申请实施例一提供一种灯板10，所述灯板10包括多个发光单元30，所述灯板10具有多个亮度分区20，每个所述亮度分区20内设置有固定数量的发光单元30，所述多个亮度分区20包括在第一方向X上依次排列的多个亮度分区20和第二方向Y上依次排列的多个亮度分区20，所述第一方向X和所述第二方向Y相交；在所述第一方向X上相邻的两个所述亮度分区20中，一个所述亮度分区20中的发光单元30与另一个所述亮度分区20中的发光单元30不同时点亮；在所述第二方向Y上相邻的两个所述亮度分区20中，一个所述亮度分区20中的发光单元30与另一个所述亮度分区20中的发光单元30不同时点亮。
申请人在研究中发现，在PWM驱动模式下，在第一方向X上或第二方向Y上相邻的两个所述亮度分区20中的发光单元30同时点亮时会产生瞬时亮度过大的问题，申请人进一步发现，每个所述亮度分区20中的发光单元30（如Mini LED）在任一方向上的亮度与距离的关系如图2所示，r代表一个亮度分区20中的中心区域的一个发光单元30与所述亮度分区20的边缘的距离，也即，假设所述亮度分区20的形状为正方形，则当所述亮度分区20中的中心区域的一个发光单元30点亮，所述正方形的某一边的中点的亮度为Q1，所述正方形的某一边的端点的亮度为Q2，Q2远远低于Q1。
本申请实施例提供的所述灯板10中，由于在所述第一方向X上相邻的两个所述亮度分区20中，一个所述亮度分区20中的发光单元30与另一个所述亮度分区20中的发光单元30不同时点亮，且在所述第二方向Y上相邻的两个所述亮度分区20中，一个所述亮度分区20中的发光单元30与另一个所述亮度分区20中的发光单元30不同时点亮，因此，能够使所述灯板10在实际使用过程中，所述多个亮度分区20中的发光单元30能够被交错点亮，一方面能够改善PWM驱动模式下，灯板10的瞬时局部能量集中的问题，抑制了短时失效可能性，另一方面还能够有效降低灯板10在长时间点灯状态下出现规则失效现象的几率，进而提高了灯板10及应用该灯板10的显示面板的光学效果，延长了灯板10及应用该灯板10的显示面板的寿命。
继续参照图1，在本申请的一些实施例中，每个所述亮度分区20内设置有多个发光单元30。具体的，通过使每个所述亮度分区20包括多个发光单元30，能够减少所述亮度分区20的数量，从而降低所述灯板10的驱动难度，当每个所述亮度分区20与一个驱动芯片一一对应设置时，能够有效减少与所述驱动芯片的数量，降低灯板10的生产制造成本；当所有所述亮度分区20与一个驱动芯片对应设置时，能够降低驱动芯片的设计难度。当然，本申请对所述亮度分区20中的发光单元30的数量不作限制，在本申请的其他实施例中，每个所述亮度分区20可以仅设置一个所述发光单元30。
图4为本申请实施例一提供的第一扫描电极和第二扫描电极的时序控制图。继续参照图3a、图3b和图4，在本申请的一些实施例中，所述灯板10包括多个扫描电极40，所述扫描电极40与所述发光单元30电性连接，用于控制所述发光单元30的点亮状态；其中，在所述第一方向X上相邻的两个所述亮度分区20中，一个所述亮度分区20中的发光单元30所连接的扫描电极40与另一个所述亮度分区20中的发光单元30所连接的扫描电极40不同；在所述第二方向Y上相邻的两个所述亮度分区20中，一个所述亮度分区20中的发光单元30所连接的扫描电极40与另一个所述亮度分区20中的发光单元30所连接的扫描电极40不同；且在所述第一方向X相邻的两个所述亮度分区20所对应的扫描电极40的驱动信号的时序不同；在所述第二方向Y上相邻的两个所述亮度分区20所对应的扫描电极40的驱动信号的时序不同。
本申请提供的所述灯板10中，所述灯板10中的多个扫描电极40与所述亮度分区20中的发光单元30电性连接，并能够向所述发光单元30发出驱动信号，以控制所述发光单元30的点亮状态，由于在所述第一方向X相邻的两个所述亮度分区20所对应的扫描电极40的驱动信号的时序不同，因此，当在所述第一方向X上相邻的两个所述亮度分区20中，一个所述亮度分区20中的发光单元30所连接的扫描电极40与另一个所述亮度分区20中的发光单元30所连接的扫描电极40不同时，能够使在所述第一方向X上相邻的两个所述亮度分区20中，一个所述亮度分区20中的发光单元30与另一个所述亮度分区20中的发光单元30不同时点亮；同理，由于在所述第二方向Y上相邻的两个所述亮度分区20所对应的扫描电极40的驱动信号的时序不同，因此，当在所述第二方向Y上相邻的两个所述亮度分区20中，一个所述亮度分区20中的发光单元30所连接的扫描电极40与另一个所述亮度分区20中的发光单元30所连接的扫描电极40不同时，能够使在所述第二方向Y上相邻的两个所述亮度分区20中，一个所述亮度分区20中的发光单元30与另一个所述亮度分区20中的发光单元30不同时点亮。进而，本申请提供的所述灯板10，能够使在所述第一方向X或所述第二方向Y上相邻的两个亮度分区20内的发光单元30，能够在多个扫描电极40的驱动信号的控制下，实现交错点亮，进而灯板10及应用该灯板10的显示面板的光学效果，延长灯板10及应用该灯板10的显示面板的寿命。
在本申请的一些实施例中，所述扫描电极40的数量为a，所述亮度分区20的数量为b，其中，每个所述扫描电极40与b/a个亮度分区20中的发光单元30电性连接，其中，b≥a≥2，且b/a为整数。
本申请提供的所述灯板10中，由于每个所述扫描电极40与b/a个亮度分区20中的发光单元30电性连接，因此，每个所述扫描电极40所对应的所述亮度分区20的数量相同，从而能够均衡所述扫描电极40的驱动负载，降低所述扫描电极40所对应的扫描走线50的设计难度，提高所述灯板10的稳定性，延长灯板10的使用寿命。可选的，每个所述扫描电极40与至少两个所述亮度分区20中的发光单元30电性连接，即，b/a≥2。
在本申请的一些实施例中，所述灯板10包括m个亮度分区块60，m≥1，且m为整数，每个所述亮度分区块60包括n个亮度分区组70，n≥2，且n为整数，每个所述亮度分区组70包括至少一个亮度分区20；其中，所述灯板10包括m×n个扫描电极40，且每个扫描电极40与一个亮度分区组70中的每个所述亮度分区20中的发光单元30电性连接；其中，在所述第一方向X上相邻的两个所述亮度分区20分别属于两个不同的所述亮度分区组70，在所述第二方向Y上相邻的两个所述亮度分区20分别属于两个不同的所述亮度分区组70，所述第一方向X和所述第二方向Y中的一个为行方向，所述第一方向X和所述第二方向Y中的另一个为列方向。
本申请提供的所述灯板10中，当所述灯板10的面积较小或所述亮度分区20的数量较少或与所述扫描电极40对应的扫描走线50的布线难度较低时，可以不对所述灯板10进行区块划分，此时，所述灯板10仅包括一个亮度分区块60，即m=1；当所述灯板10的面积较大或所述亮度分区20的数量较多或与所述扫描电极40对应的扫描走线50的布线难度较高时，通过对所述灯板10进行区块划分，能够有效降低工艺难度，提高生产良率，此时，所述灯板10可以包括多个亮度分区块60，即m为大于1的整数。因此，可以通过对所述灯板10进行均分的方式，将所述灯板10划分成重复排列的多个亮度分区块60。当然，在本申请的其他实施例中，各所述亮度分区块60的面积、形状、其中的亮度分区20的布局方式均可以不同。
继续以所述灯板10包括重复排列的多个所述亮度分区块60为例，如前所述，多个所述亮度分区块60的设置是为了降低工艺难度，提高生产良率，以使每个所述亮度分区块60中的扫描走线50独立于其他所述亮度分区块60中的扫描走线50，相应的，各个所述亮度分区块60所对应的扫描电极40应当也是不同的。在此基础上，由于每个扫描电极40与一个亮度分区组70中的每个所述亮度分区20中的发光单元30电性连接，因此，假设所述亮度分区块60的数量为m，每个所述亮度分区块60包括n个分别对应于独立的扫描电极40的亮度分区组70时，则所述灯板10中的扫描电极40的数量为m×n。
另外，为了能够使所述灯板10满足在所述第一方向X上相邻的两个所述亮度分区20中，一个所述亮度分区20中的发光单元30所连接的扫描电极40与另一个所述亮度分区20中的发光单元30所连接的扫描电极40不同，以及在所述第二方向Y上相邻的两个所述亮度分区20中，一个所述亮度分区20中的发光单元30所连接的扫描电极40与另一个所述亮度分区20中的发光单元30所连接的扫描电极40不同，应当使在所述第一方向X上相邻的两个所述亮度分区20分别属于两个不同的所述亮度分区组70，在所述第二方向Y上相邻的两个所述亮度分区20分别属于两个不同的所述亮度分区组70。
在本申请的一些实施例中，每个所述亮度分区块60包括多个亮度分区20行和多个亮度分区20列；其中，每个所述亮度分区块60中，每个所述亮度分区组70所对应的扫描电极40，与每个亮度分区20行中的至少一个亮度分区20中的发光单元30电性连接。
本申请提供的所述灯板10中，由于每个所述亮度分区块60中，每个所述亮度分区组70所对应的扫描电极40，与每个亮度分区20行中的至少一个亮度分区20中的发光单元30电性连接，因此，能够尽可能地使与各所述扫描电极40对应的扫描走线50在布线设计上参照更为明确，降低设计难度。
在本申请的一些实施例中，每个所述亮度分区组70所对应的扫描电极40，与每个亮度分区20列中的至少一个亮度分区20中的发光单元30电性连接。
本申请提供的所述灯板10中，由于每个所述亮度分区组70所对应的扫描电极40，与每个亮度分区20列中的至少一个亮度分区20中的发光单元30电性连接，因此，能够进一步地使与各所述扫描电极40对应的扫描走线50在布线设计上参照更为明确，降低设计难度。
参照图3a和图3b，在本申请的一些实施例中，m=1，n=2，也即，所述灯板10仅包括一个亮度分区块60，所述亮度分区块60包括两个亮度分区组70，分别为第一亮度分区组71和第二亮度分区组72；所述灯板10包括两个扫描电极40，分别为第一扫描电极41和第二扫描电极42，且所述亮度分区块60中的每个所述亮度分区组70所对应的扫描电极40，与每个亮度分区20行中的多个亮度分区20中的发光单元30电性连接；所述亮度分区块60中的每个所述亮度分区组70所对应的扫描电极40与每个亮度分区20列中的多个亮度分区20中的发光单元30电性连接。
继续参照图3a和图3b，其中一个亮度分区组70（即所述第一亮度分区组71）所对应的扫描电极40（即所述第一扫描电极41）电性连接奇数行奇数列的亮度分区20中的发光单元30和偶数行偶数列的亮度分区20中的发光单元30，另外一个亮度分区组70（即所述第二亮度分区组72）所对应的扫描电极40（即所述第二扫描电极42）电性连接偶数行奇数列的亮度分区20中的发光单元30和奇数行偶数列的亮度分区20中的发光单元30。
继续参照图3a和图3b，所述亮度分区块60包括4行4列共计16个亮度分区20，所述第一亮度分区组71包括第1行第1列、第1行第3列、第2行第2列、第2行第4列、第3行第1列、第3行第3列、第4行第2列、第4行第4列的亮度分区20，所述第一扫描电极41与所述第一亮度分区组71中的8个亮度分区20中的发光单元30电性连接；所述第二亮度分区组72包括第1行第2列、第1行第4列、第2行第1列、第2行第3列、第3行第2列、第3行第4列、第4行第1列、第4行第3列的亮度分区20，所述第二扫描电极42与所述第二亮度分区组72中的8个亮度分区20中的发光单元30电性连接。
继续参照图4，一个相位周期内，所述灯板10上的所有亮度分区20内的发光单元30被点亮一次。其中，所述一个相位周期包括1个循环，所述循环中，所述第一扫描电极41、所述第二扫描电极42中的驱动信号依次接入到对应的第一亮度分区组71中的每个亮度分区20中的发光单元30、第二亮度分区组72中的每个亮度分区20中的发光单元30，所述第二扫描电极42的驱动信号的时序位于所述第一扫描电极41的驱动信号的时序之后，也即，所述第一扫描电极41、所述第二扫描电极42是依次扫描的，此种扫描方式能够使所述第一亮度分区组71中的每个所述亮度分区20中的发光单元30点亮之后，所述第二亮度分区组72中的每个所述亮度分区20中的发光单元30才点亮，进而实现了在所述第一方向X上相邻的两个所述亮度分区20中，一个所述亮度分区20中的发光单元30与另一个所述亮度分区20中的发光单元30不同时点亮； 在所述第二方向Y上相邻的两个所述亮度分区20中，一个所述亮度分区20中的发光单元30与另一个所述亮度分区20中的发光单元30不同时点亮。
图5为本申请实施例提供的扫描走线的膜层结构示意图，参照图3a、图3b和图5所示，在本申请的一些实施例中，所述灯板10还包括多条扫描走线50，所述扫描电极40通过所述扫描走线50与所述亮度分区20中的发光单元30相连接，所述多条扫描走线50包括第一部分51和第二部分52，所述第一部分51与所述扫描电极40同层设置，所述第二部分52与所述扫描走线50异层设置。
本申请提供的所述灯板10中，当其中一个所述扫描电极40所对应的扫描走线50与另外一个所述扫描电极40所对应的扫描走线50在所述第一方向X或所述第二方向Y上存在交叉时，延伸方向不同的两条所述扫描走线50会产生干涉，增加布线设计的难度，本申请通过将所述多条扫描走线50包括第一部分51和第二部分52，所述第一部分51与所述扫描电极40同层设置，所述第二部分52与所述扫描走线50异层设置，能够在尽可能地减少膜层数量的同时，通过扫描走线50的双层设计，改善延伸方向不同的两条所述扫描走线50之间的干涉问题，降低灯板10中的扫描走线50的布线难度。
第二方面，本申请实施例还提供一种显示面板，所述显示面板包括上述任一项所述的灯板10。可选的，所述显示面板包括所述灯板10及液晶盒，所述液晶盒包括第一基板、第二基板和设置在所述第一基板和所述第二基板之间的液晶层。
实施例二
图6a为本申请实施例二提供的第一扫描电极所对应的第一亮度分区组中，每个亮度分区中的发光单元为点亮状态时的平面示意图；图6b为本申请实施例二提供的第二扫描电极所对应的第二亮度分区组中，每个亮度分区中的发光单元为点亮状态时的平面示意图；图6c为本申请实施例二提供的第三扫描电极所对应的第三亮度分区组中，每个亮度分区中的发光单元为点亮状态时的平面示意图；图6d为本申请实施例二提供的第四扫描电极所对应的第四亮度分区组中，每个亮度分区中的发光单元为点亮状态时的平面示意图；图6e为本申请实施例二提供的第五扫描电极所对应的第五亮度分区组中，每个亮度分区中的发光单元为点亮状态时的平面示意图；图6f为本申请实施例二提供的第六扫描电极所对应的第六亮度分区组中，每个亮度分区中的发光单元为点亮状态时的平面示意图；图6g为本申请实施例二提供的第七扫描电极所对应的第七亮度分区组中，每个亮度分区中的发光单元为点亮状态时的平面示意图；图6h为本申请实施例二提供的第八扫描电极所对应的第八亮度分区组中，每个亮度分区中的发光单元为点亮状态时的平面示意图；图7为本申请实施例二提供的第一扫描电极至第八扫描电极的时序控制图。
结合图1、图6a、图6b、图6c、图6d、图6e、图6f、图6g、图6h和图7所示，第一方面，本申请实施例二提供一种灯板10，所述灯板10包括多个发光单元30，所述灯板10具有多个亮度分区20，每个所述亮度分区20内设置有固定数量的发光单元30，所述多个亮度分区20包括在第一方向X上依次排列的多个亮度分区20和第二方向Y上依次排列的多个亮度分区20，所述第一方向X和所述第二方向Y相交；在所述第一方向X上相邻的两个所述亮度分区20中，一个所述亮度分区20中的发光单元30与另一个所述亮度分区20中的发光单元30不同时点亮；在所述第二方向Y上相邻的两个所述亮度分区20中，一个所述亮度分区20中的发光单元30与另一个所述亮度分区20中的发光单元30不同时点亮。
需要说明的是，本申请实施例二提供的灯板10的结构与本申请实施例一提供的灯板10的结构相类似，本申请实施例二对于相同部分不再赘述。
在本申请的一些实施例中，所述灯板10包括一个亮度分区块60，所述亮度分区块60包括三个以上的亮度分区组70，也即，m=1，n为大于2的整数。其中，每个所述亮度分区组70所对应的扫描电极40与每个亮度分区20行中的一个亮度分区20电性连接，每个所述亮度分区组70所对应的扫描电极40与每个亮度分区20列中的一个亮度分区20电性连接。
本申请实施例提供的所述灯板10中，由于所述亮度分区块60包括三个以上的亮度分区组70，相应的，所述亮度分区块60所对应的扫描电极40的数量也在三个以上，也即，本申请可以通过对所述亮度分区块60中的多个亮度分区20进行更为细致的组别划分，以减少所述扫描电极40所对应的亮度分区20的数量，降低所述扫描电极40的驱动负载，延长灯板10的使用寿命。
继续参照图6a-图6h，在本申请的一些实施例中，所述灯板10的所述亮度分区块60包括8行8列共计64个亮度分区20，其中，所述亮度分区块60包括第一亮度分区组71、第二亮度分区组72、第三亮度分区组73、第四亮度分区组74、第五亮度分区组75、第六亮度分区组76、第七亮度分区组77和第八亮度分区组78，所述第一亮度分区组71包括第1行第1列、第2行第3列、第3行第5列、第4行第7列、第5行第4列、第6行第6列、第7行第8列、第8行第2列的亮度分区20；所述第二亮度分区组72包括第1行第3列、第2行第5列、第3行第7列、第4行第1列、第5行第6列、第6行第8列、第7行第2列、第8行第4列的亮度分区20；所述第三亮度分区组73包括第1行第2列、第2行第4列、第3行第6列、第4行第8列、第5行第3列、第6行第5列、第7行第7列、第8行第1列的亮度分区20；所述第四亮度分区组74包括第1行第4列、第2行第6列、第3行第8列、第4行第2列、第5行第5列、第6行第7列、第7行第1列、第8行第3列的亮度分区20；所述第五亮度分区组75包括第1行第7列、第2行第1列、第3行第3列、第4行第5列、第5行第2列、第6行第4列、第7行第6列、第8行第8列的亮度分区20；所述第六亮度分区组76包括第1行第5列、第2行第7列、第3行第1列、第4行第3列、第5行第8列、第6行第2列、第7行第4列、第8行第6列的亮度分；所述第七亮度分区组77包括第1行第8列、第2行第2列、第3行第4列、第4行第6列、第5行第1列、第6行第3列、第7行第5列、第8行第7列的亮度分区20；所述第八亮度分区组78包括第1行第6列、第2行第8列、第3行第2列、第4行第4列、第5行第7列、第6行第1列、第7行第3列、第8行第5列的亮度分区20。
继续参照图6a-图6h，所述灯板10中的扫描电极40包括第一扫描电极41、第二扫描电极42、第三扫描电极43、第四扫描电极44、第五扫描电极45、第六扫描电极46、第七扫描电极47和第八扫描电极48，其中，所述第一扫描电极41与所述第一亮度分区组71中的8个亮度分区20中的发光单元30电性连接，所述第二扫描电极42与所述第二亮度分区组72中的8个亮度分区20中的发光单元30电性连接，所述第三扫描电极43与所述第三亮度分区组73中的8个亮度分区20中的发光单元30电性连接，所述第四扫描电极44与所述第四亮度分区组74中的8个亮度分区20中的发光单元30电性连接，所述第五扫描电极45与所述第五亮度分区组75中的8个亮度分区20中的发光单元30电性连接，所述第六扫描电极46与所述第六亮度分区组76中的8个亮度分区20中的发光单元30电性连接，所述第七扫描电极47与所述第七亮度分区组77中的8个亮度分区20中的发光单元30电性连接，所述第八扫描电极48与所述第八亮度分区组78中的8个亮度分区20中的发光单元30电性连接。
继续参照图7，在本申请的一些实施例中，在一个相位周期内，所述灯板10上的所有亮度分区20内的发光单元30被点亮一次。其中，所述一个相位周期包括1个循环，所述循环中，所述第一扫描电极41、所述第二扫描电极42、所述第三扫描电极43、所述第四扫描电极44、所述第五扫描电极45、所述第六扫描电极46、所述第七扫描电极47、所述第八扫描电极48中的驱动信号依次接入到对应的第一亮度分区组71中的每个亮度分区20中的发光单元30、第二亮度分区组72中的每个亮度分区20中的发光单元30、第三亮度分区组73中的每个亮度分区20中的发光单元30、第四亮度分区组74中的每个亮度分区20中的发光单元30、第五亮度分区组75中的每个亮度分区20中的发光单元30、第六亮度分区组76中的每个亮度分区20中的发光单元30、第七亮度分区组77中的每个亮度分区20中的发光单元30、第八亮度分区组78中的每个亮度分区20中的发光单元30。所述第一扫描电极41、所述第二扫描电极42、所述第三扫描电极43、所述第四扫描电极44、所述第五扫描电极45、所述第六扫描电极46、所述第七扫描电极47、所述第八扫描电极48是依次扫描的，此种扫描方式能够使所述第一亮度分区组71中的每个所述亮度分区20中的发光单元30、第二亮度分区组72中的每个亮度分区20中的发光单元30、第三亮度分区组73中的每个亮度分区20中的发光单元30、第四亮度分区组74中的每个亮度分区20中的发光单元30、第五亮度分区组75中的每个亮度分区20中的发光单元30、第六亮度分区组76中的每个亮度分区20中的发光单元30、第七亮度分区组77中的每个亮度分区20中的发光单元30、第八亮度分区组78中的每个亮度分区20中的发光单元30依次点亮，进而实现了在所述第一方向X上相邻的两个所述亮度分区20中，一个所述亮度分区20中的发光单元30与另一个所述亮度分区20中的发光单元30不同时点亮； 在所述第二方向Y上相邻的两个所述亮度分区20中，一个所述亮度分区20中的发光单元30与另一个所述亮度分区20中的发光单元30不同时点亮。
图8a为本申请实施例二提供的扫描电极和扫描走线的第一部分的平面示意图；图8b为本申请实施例二提供的扫描走线的第二部分的平面示意图。参照图8a和图8b所示，所述扫描电极40通过所述扫描走线50与所述亮度分区20中的发光单元30相连接，所述多条扫描走线50包括第一部分51和第二部分52，所述第一部分51与所述扫描电极40同层设置，所述第二部分52与所述扫描走线50异层设置。
本申请提供的所述灯板10中，当其中一个所述扫描电极40所对应的扫描走线50与另外一个所述扫描电极40所对应的扫描走线50在所述第一方向X或所述第二方向Y上存在交叉时，延伸方向不同的两条所述扫描走线50会产生干涉，增加布线设计的难度，本申请通过将所述多条扫描走线50包括第一部分51和第二部分52，所述第一部分51与所述扫描电极40同层设置，所述第二部分52与所述扫描走线50异层设置，能够在尽可能地减少膜层数量的同时，通过扫描走线50的双层设计，改善延伸方向不同的两条所述扫描走线50之间的干涉问题，降低灯板10中的扫描走线50的布线难度。
图9a为相关技术中的灯板的光分布示意图；图9b为本申请提供的灯板的光分布示意图。参照图9a和图9b，在所述灯板10的总点亮时间相同的情况下，本申请提供的所述灯板10具有更优的光分布状态和更优的光学效果。
第二方面，本申请实施例还提供一种显示面板，所述显示面板包括上述任一项所述的灯板10。可选的，所述显示面板包括所述灯板10及液晶盒，所述液晶盒包括第一基板、第二基板和设置在所述第一基板和所述第二基板之间的液晶层。
实施例三
图10a为本申请实施例三提供的第一扫描电极所对应的第1个亮度分区块中的第1个亮度分区组中，每个亮度分区中的发光单元为点亮状态时的平面示意图；图10b为本申请实施例三提供的第二扫描电极所对应第2个亮度分区块中的第1个亮度分区组中，每个亮度分区中的发光单元为点亮状态时的平面示意图；图10c为本申请实施例三提供的第三扫描电极所对应的第1个亮度分区块中的第2个亮度分区组中，每个亮度分区中的发光单元为点亮状态时的平面示意图；图10d为本申请实施例三提供的第四扫描电极所对应的第2个亮度分区块中的第2个亮度分区组中，每个亮度分区中的发光单元为点亮状态时的平面示意图；图11为本申请实施例三提供的第一扫描电极至第四扫描电极的时序控制图。
参照图1、图10a、图10b、图10c、图10d和图11所示，第一方面，本申请实施例一提供一种灯板10，所述灯板10包括多个发光单元30，所述灯板10具有多个亮度分区20，每个所述亮度分区20内设置有固定数量的发光单元30，所述多个亮度分区20包括在第一方向X上依次排列的多个亮度分区20和第二方向Y上依次排列的多个亮度分区20，所述第一方向X和所述第二方向Y相交；在所述第一方向X上相邻的两个所述亮度分区20中，一个所述亮度分区20中的发光单元30与另一个所述亮度分区20中的发光单元30不同时点亮；在所述第二方向Y上相邻的两个所述亮度分区20中，一个所述亮度分区20中的发光单元30与另一个所述亮度分区20中的发光单元30不同时点亮。
需要说明的是，本申请实施例三提供的灯板10的结构与本申请实施例一提供的灯板10的结构相类似，本申请实施例三对于相同部分不再赘述。
在本申请的一些实施例中，所述灯板10包括m个亮度分区块60，m≥1，且m为整数，每个所述亮度分区块60包括n个亮度分区组70，n≥2，且n为整数，每个所述亮度分区组70包括至少一个亮度分区20；其中，所述灯板10包括m×n个扫描电极40，且每个扫描电极40与一个亮度分区组70中的每个所述亮度分区20中的发光单元30电性连接；其中，在所述第一方向X上相邻的两个所述亮度分区20分别属于两个不同的所述亮度分区组70，在所述第二方向Y上相邻的两个所述亮度分区20分别属于两个不同的所述亮度分区组70，所述第一方向X和所述第二方向Y中的一个为行方向，所述第一方向X和所述第二方向Y中的另一个为列方向，其中，m为大于1的整数，也即，本申请实施例提供的所述灯板10中，所述灯板10包括多个亮度分区块60，以降低工艺难度，提高生产良率。
在本申请的一些实施例中，m为大于1的整数，一个相位周期包括n个循环，第n个循环中，第1个亮度分区块M1中的第n个亮度分区组70中的每个亮度分区20，至第m个亮度分区块60中的第n个亮度分区组70中的每个亮度分区20依次点亮。
本申请提供的所述灯板10通过使第n个循环中，第1个亮度分区块M1中的第n个亮度分区组70中的每个亮度分区20中的发光单元30，至第m个亮度分区块60中的第n个亮度分区组70中的每个亮度分区20中的发光单元30依次点亮，能够尽可能地避免因设置多个亮度分区组70而造成的灯板10光学效果下降的问题。
继续参照图10a、图10b、图10c、图10d和图11，在本申请的一些实施例中，m=2，n=2，所述灯板10包括轴对称设置的第1个亮度分区块M1和第2个亮度分区块M2；其中，所述第1个亮度分区块M1中的奇数行奇数列的亮度分区20、偶数行偶数列的亮度分区块60为所述第1个亮度分区块M1中的第1个亮度分区组M11，所述第1个亮度分区块M1中的偶数行奇数列的亮度分区20、奇数行偶数列的亮度分区块60为所述第1个亮度分区块M1中的第2个亮度分区组M12；其中，所述第2个亮度分区块M2中的奇数行奇数列的亮度分区20、偶数行偶数列的亮度分区块60为所述第2个亮度分区块M2中的第1个亮度分区组M21，所述第2个亮度分区块M2中的偶数行奇数列的亮度分区20、奇数行偶数列的亮度分区块60为所述第2个亮度分区块M2中的第2亮度分区组70；其中，一个相位周期包括2个循环，第1个循环中，所述第1个亮度分区块M1中的第1个亮度分区组M11中的每个亮度分区20中的发光单元30、所述第2个亮度分区块M2中的第1个亮度分区组M21中的每个亮度分区20依次点亮；之后，第2个循环中，所述第1个亮度分区块M1中的第2个亮度分区组M12中的每个亮度分区20中的发光单元30、所述第2个亮度分区块M2中的第2个亮度分区组M22中的每个亮度分区20依次点亮。当然，在本申请的其他实施例中，m还可以为3，4，5，6等；n还可以为3、4、5、6、7、8等。
继续参照图10a、图10b、图10c、图10d和图11，在本申请的一些实施例中，所述灯板10包括多个扫描电极40，所述多个扫描电极40包括第一扫描电极41、第二扫描电极42、第三扫描电极43和第四扫描电极44，所述第一扫描电极41与第1个亮度分区块M1中的第1个亮度分区组M11中的每个亮度分区20中的发光单元30电性连接；所述第二扫描电极42与第2个亮度分区块M2中的第1个亮度分区组M21中的每个亮度分区20中的发光单元30电性连接；所述第三扫描电极43与第1个亮度分区块M1中的第2个亮度分区组M12中的每个亮度分区20中的发光单元30电性连接；所述第四扫描电极44与第2个亮度分区块M2中的第2个亮度分区组M22中的每个亮度分区20中的发光单元30电性连接。
第二方面，本申请实施例还提供一种显示面板，所述显示面板包括上述任一项所述的灯板10。可选的，所述显示面板包括所述灯板10及液晶盒，所述液晶盒包括第一基板、第二基板和设置在所述第一基板和所述第二基板之间的液晶层。
实施例四
图12a为本申请实施例四提供的灯板的第一扫描电极所对应的第一亮度分区组中，每个亮度分区中的发光单元为点亮状态时的平面示意图；图12b为本申请实施例四提供的灯板的第二扫描电极所对应的第二亮度分区组中，每个亮度分区中的发光单元为点亮状态时的平面示意图；图12c为本申请实施例四提供的灯板的第三扫描电极所对应的第三亮度分区组中，每个亮度分区中的发光单元为点亮状态时的平面示意图。
结合图1、图12a、图12b、图12c所示，第一方面，本申请实施例一提供一种灯板10，所述灯板10包括多个发光单元30，所述灯板10具有多个亮度分区20，每个所述亮度分区20内设置有固定数量的发光单元30，所述多个亮度分区20包括在第一方向X上依次排列的多个亮度分区20和第二方向Y上依次排列的多个亮度分区20，所述第一方向X和所述第二方向Y相交；在所述第一方向X上相邻的两个所述亮度分区20中，一个所述亮度分区20中的发光单元30与另一个所述亮度分区20中的发光单元30不同时点亮；在所述第二方向Y上相邻的两个所述亮度分区20中，一个所述亮度分区20中的发光单元30与另一个所述亮度分区20中的发光单元30不同时点亮。
需要说明的是，本申请实施例四提供的灯板10的结构与本申请实施例一提供的灯板10的结构相类似，本申请实施例四对于相同部分不再赘述。
在本申请的一些实施例中，其中一个所述亮度分区块60包括三个亮度分区组70，每个亮度分区组70包括三个亮度分区20，三个所述亮度分区组70所对应九个亮度分区块60组成九宫格结构，且每个所述亮度分区组70中的两个亮度分区20同行设置，或，每个所述亮度分区组70中的两个亮度分区20同列设置。
本申请提供的所述灯板10中，当所述亮度分区20的数量为奇数时，本申请能够在保证在所述第一方向X上相邻的两个所述亮度分区20分别属于两个不同的所述亮度分区组70，在所述第二方向Y上相邻的两个所述亮度分区20分别属于两个不同的所述亮度分区组70的条件下，通过调整扫描电极40的数量及亮度分区块60组的分布状态的方式，使得每个所述扫描电极40依旧对应相同数量的亮度分区20，进而保证所述灯板10的光学效果。
参照图12a、图12b和图12c所示，所述第一亮度分区组71包括第1行第1列、第2行第2列、第3行第1列的亮度分区20，所述第二亮度分区组72包括第1行第2列、第2行第3列、第3行第2列的亮度分区20，所述第三亮度分区组73包括第1行第3列、第2行第1列、第3行第2列的亮度分区20，所述第一扫描电极41与所述第一亮度分区组71中的3个亮度分区20中的发光单元30电性连接，所述第二扫描电极42与所述第二亮度分区组72中的3个亮度分区20中的发光单元30电性连接，所述第三扫描电极43与所述第三亮度分区组73中的3个亮度分区20中的发光单元30电性连接。
需要说明的是，图12a、图12b和图12c分别示出了第一亮度分区组71中的两个亮度分区20同列设置、第二亮度分区组72中的两个亮度分区20同列设置、第三亮度分区组73中的两个亮度分区20同列设置的情况。但在本申请的其他实施例中，第一亮度分区组71中的两个亮度分区20可以为同行设置、第二亮度分区组72中的两个亮度分区20可以为同行设置、第三亮度分区组73中的两个亮度分区20可以为同行设置，其设置原理与图12a、图12b和图12c相类似，本申请在此不再赘述。
第二方面，本申请实施例还提供一种显示面板，所述显示面板包括上述任一项所述的灯板10。可选的，所述显示面板包括所述灯板10及液晶盒，所述液晶盒包括第一基板、第二基板和设置在所述第一基板和所述第二基板之间的液晶层。
综上，本申请提供一种灯板及显示面板，灯板包括多个发光单元，灯板具有多个亮度分区，每个亮度分区内设置有固定数量的发光单元，多个亮度分区包括在第一方向上依次排列的多个亮度分区和第二方向上依次排列的多个亮度分区，第一方向和第二方向相交；在第一方向上相邻的两个亮度分区中，一个亮度分区中的发光单元与另一个亮度分区中的发光单元不同时点亮；在第二方向上相邻的两个亮度分区中，一个亮度分区中的发光单元与另一个亮度分区中的发光单元不同时点亮。本申请提供的灯板及显示面板中，由于在第一方向上相邻的两个亮度分区中，一个亮度分区中的发光单元与另一个亮度分区中的发光单元不同时点亮，且在第二方向上相邻的两个亮度分区中，一个亮度分区中的发光单元与另一个亮度分区中的发光单元不同时点亮，因此，能够使灯板在实际使用过程中，多个亮度分区中的发光单元能够被交错点亮，一方面能够改善PWM驱动模式下，灯板的瞬时局部能量集中的问题，抑制了短时失效可能性，另一方面还能够有效降低灯板在长时间点灯状态下出现规则失效现象的几率，进而提高了灯板及应用该灯板的显示面板的光学效果，延长了灯板及应用该灯板的显示面板的寿命。
以上对本申请实施例所提供的一种灯板及显示面板进行了详细介绍，本文中应用了具体个例对本申请的原理及实施方式进行了阐述，以上实施例的说明只是用于帮助理解本申请的方法及其核心思想；同时，对于本领域的技术人员，依据本申请的思想，在具体实施方式及应用范围上均会有改变之处，综上所述，本说明书内容不应理解为对本申请的限制。
Claims (20)
- 一种灯板，其中，所述灯板具有多个亮度分区，每个所述亮度分区内设置有固定数量的发光单元，所述多个亮度分区包括在第一方向上依次排列的多个亮度分区和在第二方向上依次排列的多个亮度分区，所述第一方向和所述第二方向相交；在所述第一方向上相邻的两个所述亮度分区中，一个所述亮度分区中的发光单元与另一个所述亮度分区中的发光单元不同时点亮；在所述第二方向上相邻的两个所述亮度分区中，一个所述亮度分区中的发光单元与另一个所述亮度分区中的发光单元不同时点亮。
- 根据权利要求1所述的灯板，其中，所述灯板包括多个扫描电极，所述扫描电极与所述发光单元电性连接，用于控制所述发光单元的点亮状态；其中，在所述第一方向上相邻的两个所述亮度分区中，一个所述亮度分区中的发光单元所连接的扫描电极与另一个所述亮度分区中的发光单元所连接的扫描电极不同；在所述第二方向上相邻的两个所述亮度分区中，一个所述亮度分区中的发光单元所连接的扫描电极与另一个所述亮度分区中的发光单元所连接的扫描电极不同；且在所述第一方向相邻的两个所述亮度分区所对应的扫描电极的驱动信号的时序不同；在所述第二方向上相邻的两个所述亮度分区所对应的扫描电极的驱动信号的时序不同。
- 根据权利要求2所述的灯板，其中，所述扫描电极的数量为a，所述亮度分区的数量为b，其中，每个所述扫描电极与b/a个亮度分区中的发光单元电性连接，其中，b≥a≥2，且b/a为整数。
- 根据权利要求2所述的灯板，其中，所述灯板包括m个亮度分区块，m≥1，且m为整数，每个所述亮度分区块包括n个亮度分区组，n≥2，且n为整数，每个所述亮度分区组包括至少一个亮度分区；其中，所述灯板包括m×n个扫描电极，且每个扫描电极与一个亮度分区组中的每个所述亮度分区中的发光单元电性连接。
- 根据权利要求4所述的灯板，其中，每个所述亮度分区块包括多个亮度分区行和多个亮度分区列；其中，每个所述亮度分区块中，每个所述亮度分区组所对应的扫描电极，与每个亮度分区行中的至少一个亮度分区中的发光单元电性连接。
- 根据权利要求5所述的灯板，其中，每个亮度分区块中，每个所述亮度分区组所对应的扫描电极，与每个亮度分区列中的至少一个亮度分区中的发光单元电性连接。
- 根据权利要求6所述的灯板，其中，m=1，n=2，其中一个亮度分区组所对应的扫描电极电性连接奇数行奇数列的亮度分区中的发光单元和偶数行偶数列的亮度分区中的发光单元，另外一个亮度分区组所对应的扫描电极电性连接偶数行奇数列的亮度分区中的发光单元和奇数行偶数列的亮度分区中的发光单元。
- 根据权利要求6所述的灯板，其中，m=1，n为大于2的整数，且每个所述亮度分区组所对应的扫描电极与每个亮度分区行中的一个亮度分区中的发光单元电性连接，每个所述亮度分区组所对应的扫描电极与每个亮度分区列中的一个亮度分区中的发光单元电性连接。
- 根据权利要求4所述的灯板，其中，m为大于1的整数，一个相位周期包括n个循环，第n个循环中，第1个亮度分区块中的第n个亮度分区组中的每个亮度分区，至第m个亮度分区块中的第n个亮度分区组中的每个亮度分区依次点亮。
- 根据权利要求9所述的灯板，其中，m=2，n=2，所述灯板包括轴对称设置的第1个亮度分区块和第2个亮度分区块；其中，所述第1个亮度分区块中的奇数行奇数列的亮度分区、偶数行偶数列的亮度分区块为所述第1个亮度分区块中的第1个亮度分区组，所述第1个亮度分区块中的偶数行奇数列的亮度分区、奇数行偶数列的亮度分区块为所述第1个亮度分区块中的第2个亮度分区组；其中，所述第2个亮度分区块中的奇数行奇数列的亮度分区、偶数行偶数列的亮度分区块为所述第2个亮度分区块中的第1个亮度分区组，所述第2个亮度分区块中的偶数行奇数列的亮度分区、奇数行偶数列的亮度分区块为所述第2个亮度分区块中的第2亮度分区组；其中，一个相位周期包括2个循环，第1个循环中，所述第1个亮度分区块中的第1个亮度分区组中的每个亮度分区、所述第2个亮度分区块中的第1个亮度分区组中的每个亮度分区依次点亮；之后，第2个循环中，所述第1个亮度分区块中的第2个亮度分区组中的每个亮度分区、所述第2个亮度分区块中的第2个亮度分区组中的每个亮度分区依次点亮。
- 根据权利要求4所述的灯板，其中，其中一个所述亮度分区块包括三个亮度分区组，每个亮度分区组包括三个亮度分区，三个所述亮度分区组所对应九个亮度分区块组成九宫格结构，且每个所述亮度分区组中的两个亮度分区同行设置，或，每个所述亮度分区组中的两个亮度分区同列设置。
- 根据权利要求2所述的灯板，其中，所述灯板还包括多条扫描走线，所述扫描电极通过所述扫描走线与所述亮度分区中的发光单元相连接，所述多条扫描走线包括第一部分和第二部分，所述第一部分与所述扫描电极同层设置，所述第二部分与所述扫描走线异层设置。
- 一种显示面板，其中，所述显示面板包括灯板，所述灯板具有多个亮度分区，每个所述亮度分区内设置有固定数量的发光单元，所述多个亮度分区包括在第一方向上依次排列的多个亮度分区和在第二方向上依次排列的多个亮度分区，所述第一方向和所述第二方向相交；在所述第一方向上相邻的两个所述亮度分区中，一个所述亮度分区中的发光单元与另一个所述亮度分区中的发光单元不同时点亮；在所述第二方向上相邻的两个所述亮度分区中，一个所述亮度分区中的发光单元与另一个所述亮度分区中的发光单元不同时点亮。
- 根据权利要求13所述的显示面板，其中，所述灯板包括多个扫描电极，所述扫描电极与所述发光单元电性连接，用于控制所述发光单元的点亮状态；其中，在所述第一方向上相邻的两个所述亮度分区中，一个所述亮度分区中的发光单元所连接的扫描电极与另一个所述亮度分区中的发光单元所连接的扫描电极不同；在所述第二方向上相邻的两个所述亮度分区中，一个所述亮度分区中的发光单元所连接的扫描电极与另一个所述亮度分区中的发光单元所连接的扫描电极不同；且在所述第一方向相邻的两个所述亮度分区所对应的扫描电极的驱动信号的时序不同；在所述第二方向上相邻的两个所述亮度分区所对应的扫描电极的驱动信号的时序不同。
- 根据权利要求14所述的显示面板，其中，所述扫描电极的数量为a，所述亮度分区的数量为b，其中，每个所述扫描电极与b/a个亮度分区中的发光单元电性连接，其中，b≥a≥2，且b/a为整数。
- 根据权利要求14所述的显示面板，其中，所述灯板包括m个亮度分区块，m≥1，且m为整数，每个所述亮度分区块包括n个亮度分区组，n≥2，且n为整数，每个所述亮度分区组包括至少一个亮度分区；其中，所述灯板包括m×n个扫描电极，且每个扫描电极与一个亮度分区组中的每个所述亮度分区中的发光单元电性连接。
- 根据权利要求16所述的显示面板，其中，每个所述亮度分区块包括多个亮度分区行和多个亮度分区列；其中，每个所述亮度分区块中，每个所述亮度分区组所对应的扫描电极，与每个亮度分区行中的至少一个亮度分区中的发光单元电性连接；其中，每个亮度分区块中，每个所述亮度分区组所对应的扫描电极，与每个亮度分区列中的至少一个亮度分区中的发光单元电性连接。
- 根据权利要求16所述的显示面板，其中，m为大于1的整数，一个相位周期包括n个循环，第n个循环中，第1个亮度分区块中的第n个亮度分区组中的每个亮度分区，至第m个亮度分区块中的第n个亮度分区组中的每个亮度分区依次点亮。
- 根据权利要求16所述的显示面板，其中，其中一个所述亮度分区块包括三个亮度分区组，每个亮度分区组包括三个亮度分区，三个所述亮度分区组所对应九个亮度分区块组成九宫格结构，且每个所述亮度分区组中的两个亮度分区同行设置，或，每个所述亮度分区组中的两个亮度分区同列设置。
- 根据权利要求14所述的显示面板，其中，所述灯板还包括多条扫描走线，所述扫描电极通过所述扫描走线与所述亮度分区中的发光单元相连接，所述多条扫描走线包括第一部分和第二部分，所述第一部分与所述扫描电极同层设置，所述第二部分与所述扫描走线异层设置。
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008051959A (ja) * | 2006-08-23 | 2008-03-06 | Optrex Corp | 表示装置 |
| JP2010191188A (ja) * | 2009-02-18 | 2010-09-02 | Epson Imaging Devices Corp | バックライト、その制御方法、液晶表示装置および電子機器 |
| KR20120002704A (ko) * | 2010-07-01 | 2012-01-09 | 엘지디스플레이 주식회사 | 액정 표시장치의 구동장치와 그 구동방법 |
| US20170270868A1 (en) * | 2016-11-30 | 2017-09-21 | Shanghai Tianma AM-OLEO Co., Ltd. | Display Panel, Driving Method, And Electronic Device |
| CN116129801A (zh) * | 2023-02-28 | 2023-05-16 | 厦门天马微电子有限公司 | 发光面板和显示装置 |
| CN116312279A (zh) * | 2023-05-22 | 2023-06-23 | 武汉华星光电技术有限公司 | 一种灯板及显示面板 |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008051959A (ja) * | 2006-08-23 | 2008-03-06 | Optrex Corp | 表示装置 |
| JP2010191188A (ja) * | 2009-02-18 | 2010-09-02 | Epson Imaging Devices Corp | バックライト、その制御方法、液晶表示装置および電子機器 |
| KR20120002704A (ko) * | 2010-07-01 | 2012-01-09 | 엘지디스플레이 주식회사 | 액정 표시장치의 구동장치와 그 구동방법 |
| US20170270868A1 (en) * | 2016-11-30 | 2017-09-21 | Shanghai Tianma AM-OLEO Co., Ltd. | Display Panel, Driving Method, And Electronic Device |
| CN116129801A (zh) * | 2023-02-28 | 2023-05-16 | 厦门天马微电子有限公司 | 发光面板和显示装置 |
| CN116312279A (zh) * | 2023-05-22 | 2023-06-23 | 武汉华星光电技术有限公司 | 一种灯板及显示面板 |
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