CN109427286A - Display screen display control method, scanning card and display screen system - Google Patents
Display screen display control method, scanning card and display screen system Download PDFInfo
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- CN109427286A CN109427286A CN201710740781.1A CN201710740781A CN109427286A CN 109427286 A CN109427286 A CN 109427286A CN 201710740781 A CN201710740781 A CN 201710740781A CN 109427286 A CN109427286 A CN 109427286A
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
- G09G3/20—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
- G09G3/22—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources
- G09G3/30—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using electroluminescent panels
- G09G3/32—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using electroluminescent panels semiconductive, e.g. using light-emitting diodes [LED]
Abstract
The embodiment of the invention discloses a kind of display screen display control methods, comprising: is performed image display frame by frame according to row decoded signal group and display data drive control target display screen.Wherein, the display that the target display screen carries out a frame image carries out an at least wheel scan in the process, each wheel scan includes the row scanning of row decoded signal group polling overturning progress, and only one the row decoded signal in every adjacent scanning of row twice of the row decoded signal group described in each round scanning process is controlled and carries out level overturning.The embodiment of the invention also discloses the scanning cards and display screen system that are adapted for carrying out aforementioned display screen display control method.
Description
Technical field
The present invention relates to field of display technology more particularly to a kind of display screen display control method, a kind of scanning card and
A kind of display screen system.
Background technique
In scanning type LED display screen, the deficiency of existing 3-8 decoder chip 74HC138 decoded mode is to be greater than 8
The LED lamp panel swept requires the output of one group four and more than four decoded signals, while when decoded signal group exports
Require its signal integrity high at quarter, but due to traditional 3-8 decoded mode be according to this gating the 1st, 2,3,4,5 ..., N row, or
Gate according to this N, N-1, N-2, N-3, N-4 ..., the such sequence of 1 row carry out, it is very regular.
Each row decoded signal in the decoded signal group (A, B, C, D, E) of scanning card output is alignment, but due to
Signal may have passed through different paths on HUB plate, difference IC, and behind different paths decoded signal group (A, B, C, D,
E for example shown in Fig. 1, D, E signal in row decoded signal group (A, B, C, D, E) have relatively signal waveform) with respect to A, B, C signal
Delay has worse HUB plate design just to have worse delay what is more, causes to reach final step 3-8 decoder chip
On signal be delayed it is different so that the decoding of 3-8 decoder chip mistake and gated the pixel column that should not be gated, cause mistake
Display effect and sunset glow phenomenon.
Summary of the invention
The embodiment of the present invention provides a kind of display screen display control method, a kind of scanning card and a kind of display screen system
System solves the problems, such as mistake display and sunset glow phenomenon caused by being delayed in the prior art because of decoded signal.
On the one hand, a kind of display screen display control method is provided, comprising: drive according to row decoded signal group and display data
Dynamic control target display screen performs image display frame by frame.Wherein, during the display of one frame image of the target display screen progress
An at least wheel scan is carried out, each wheel scan includes the row scanning that the overturning of row decoded signal group polling carries out, and in each round
The group of row decoded signal described in scanning process only one row decoded signal in every adjacent scanning of row twice is carried out electric by control
Flat overturning.
In one embodiment of the invention, according to row decoded signal group and display data drive control target display screen by
The step of frame performs image display includes: one first sequentially gated on the target display screen using the row decoded signal group
Light pixel column, a second point bright pixel row and a thirdly bright pixel row;Row display data, one second are lighted using one first
It lights row display data and a third lights row display data and respectively drives described first sequentially gated and lights pixel column, described
Second point bright pixel and the thirdly bright pixel row are shown;Wherein, the row decoded signal group gates the second point
Only one row decoded signal carries out level overturning by control when lighting pixel column relative to gating described first when bright pixel row,
And only have when the row decoded signal group gating thirdly bright pixel row relative to when gating the second point bright pixel row
One row decoded signal carries out level overturning by control.
In one embodiment of the invention, the display screen display control method includes: and lights row for described first to show
Registration evidence, described second light row and show that data and the third are lighted row display data and are sequentially sent on the target display screen
Column drive circuit display buffer.
In one embodiment of the invention, the row decoded signal group has 4 row decoded signals or 5 row decoding letters
Number.
In another aspect, providing a kind of scanning card, it is adapted to a kind of target display screen.The scanning card is used for: being generated
Multiple decoded signals coding needed for sequentially carrying out the scanning of multiple row sequentially encodes according to the multiple decoded signal and generates row and translate
Code signal group exports the row decoded signal group to the target display screen;Wherein, sequentially for generating the row decoding letter
Only a data is overturn between each adjacent two decoded signal coding of number group.
In one embodiment of the invention, the multiple decoded signal coding includes sequentially for generating the row decoding
One first decoded signal coding, one second decoded signal coding and the third decoded signal coding of signal group;Described second translates
Overturning and the third decoded signal has occurred in only a data between code signal coding and first decoded signal coding
Only a data is overturn between coding and second decoded signal coding.
In one embodiment of the invention, each of the multiple decoded signal coding decoded signal is encoded to 4
Bit or 5 bits.
In one embodiment of the invention, the scanning card is also used to: the multiple decoded signal coding is intended to respectively
Display data needed for the pixel column of gating is shown sequentially are sent into display buffer.
On the other hand, a kind of display screen system is provided, it is aobvious including aforementioned scanning card and the target for connecting the scanning card
Display screen;Wherein, target display screen is LED display.
In one embodiment of the invention, the display screen system further include: HUB plate, be connected to scanning card and
Between the LED display.
A technical solution in above-mentioned technical proposal has the advantages that by translating row in each round scanning process
Code signal group only one row decoded signal in every adjacent scanning of row twice can effectively be inhibited by control progress level overturning
Mistake is shown and sunset glow phenomenon, and then promotes the display quality of display screen.
Decoded signal coding mode pair used by another technical solution in above-mentioned technical proposal has the advantages that
The scanning mode answered because only that a decoded signal and above sweep difference, cause the transmission of signal independent of signal lead or
Person undergoes the different delay of the generations such as different IC, can effectively inhibit mistake display existing in the prior art and sunset glow existing
As.
Detailed description of the invention
In order to illustrate the technical solution of the embodiments of the present invention more clearly, below will be in embodiment or description of the prior art
Required attached drawing is briefly described, it should be apparent that, the accompanying drawings in the following description is only some realities of the invention
Example is applied, it for those of ordinary skill in the art, without creative efforts, can also be according to these attached drawings
Obtain other attached drawings.
Fig. 1 is the waveform diagram of one group of five row decoded signal in the prior art;
Fig. 2 is the schematic illustration for being relevant to the scan-type display screen of first embodiment of the invention;
Fig. 3 is the configuration diagram of the display screen system in second embodiment of the invention;
Fig. 4 is to be relevant to the 32 of second embodiment of the invention to sweep decoded signal coding mode schematic diagram;
Fig. 5 is the configuration diagram of the display screen system in third embodiment of the invention;
Fig. 6 A sweeps decoded signal coding mode schematic diagram in the prior art 16;
Fig. 6 B is to be relevant to the 16 of third embodiment of the invention to sweep decoded signal coding mode schematic diagram.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
First embodiment
A kind of display screen display control method provided in first embodiment of the invention, comprising steps of according to row decoding letter
Number group and display data drive control target display screen perform image display frame by frame;Wherein, the target display screen carries out a frame
An at least wheel scan is carried out during the display of image, each wheel scan includes that the row of row decoded signal group polling overturning progress is swept
It retouches, and only one row decoding letter in every adjacent scanning of row twice of the row decoded signal group described in each round scanning process
Number by control carry out level overturning.
For convenient for being more clearly understood that in the present embodiment, below with reference to Fig. 2 to the display screen display control side of the present embodiment
Method is illustrated as follows.A kind of scan-type display screen as shown in Figure 2, is, for example, scanning type LED display screen, single
Component units (or LED lamp panel) include row decoding circuit, column drive circuit, horizontally extending multi-strip scanning line, edge
The multiple data lines and pixel array such as LED array that vertical direction extends;The input of decoding circuit is for receiving capable decoding
Row tube chip, the row tube chip that signal group and its output connection LED are used in the industry provide power output, and the output of row pipe is
Scan line output, and it is sequentially provided row gating signal, the input of column drive circuit is for receiving display data and necessary control
Signal for example exports enable signal and its each data output channel is separately connected the multiple data lines, each in LED array
The anode of a LED connects the row tube chip output end that corresponding scan line is driven and cathode connects corresponding data line.
Wherein, row decoding circuit typically comprises 74HC138 coding chip, and column drive circuit is typically include general on-off driving core
Piece or PWM driving chip.
The advantages of scanning type LED display screen is lower LED lamp panel production cost, due to each number of column drive circuit
Being in the multiple pixels that do not go together according to output channel and sharing causes this screen body to there are problems that sunset glow, it is therefore necessary to row of working good
Gating signal works together, and enhances its display effect.It is that the information that is shown due to upper bright pixel row is necessary in terms of principle
It closes data output channel and charge of releasing before next point bright pixel row gating, otherwise will have one bright spot place of generation
The same data output channel other certain glimmers the phenomenon that, this phenomenon is referred to as sunset glow, however practical lamp plate is released
Charge is unsatisfactory, therefore requires row decoded signal stringenter.
Thus in the present embodiment, it is found via experimental observation display effect: by making to go in each round scanning process
Decoded signal group only one row decoded signal in every adjacent scanning of row twice, which carries out level overturning by control, effectively to be pressed down
The display of system mistake and sunset glow phenomenon, and then promote the display quality of display screen.
Second embodiment
As shown in figure 3, one of second embodiment of the invention display screen system 30, comprising: scanning card 31, HUB plate (or
Claim pinboard) 33 and LED lamp panel 35;HUB plate 33 is connected between scanning card 31 and LED lamp panel 35, and scanning card 31 is typically set
The data group output interface such as RGB data group interface for being equipped with programmable logic device such as FPGA device and being attached thereto.This
Place is it is noted that the quantity for the LED lamp panel 35 that HUB plate 33 is connected is not limited to shown in Fig. 3 one, particular number
Then depending on the true resolution of scanning type LED display screen, that is to say, that HUB plate 33 can connect a LED lamp panel 35, can also
To be the multiple LED lamp panels 35 of connection;Correspondingly scanning type LED display screen is for example with a LED lamp panel 35 or by multiple LED
Lamp plate 35 is spliced.In addition, it is noted that the LED lamp panel 35 in Fig. 3 only draws the decoder in its row decoding circuit
Chip and its connection relationship, certain LED lamp panel 35 are also provided with column drive circuit, scan line, data line and and LED array.
It can be learnt from Fig. 3: 31 one group of 5 row decoded signal (A, B, C, D, E) of output of scanning card and a control letter
Number CTRL;This group of row decoded signal (A, B, C, D, E) and control signal CTRL via HUB plate 33 are forwarded to LED lamp panel 35.Scheming
In embodiment shown in 3, it is provided with 5 3-8 decoder chips in LED lamp panel 35 and is in two stage arrangement, the first order is configured with 1
3-8 decoder chip, the second level are configured with 4 3-8 decoder chips;The combination of this 5 3-8 decoder chips receives row decoding
Signal group (A, B, C, D, E) and the control for controlling signal CTRL can carry out a wheel 32 times (namely 25It is secondary) row scanning, Jin Erke
LED lamp panel is swept with drive control 32, drive control one kind 32 sweeps display screen in other words.
Hold it is above-mentioned, the present embodiment in order to realize [make in each round scanning process row decoded signal group it is every it is adjacent twice
Row scanning when only one row decoded signal by control carry out level overturning], with reach inhibit mistake display and sunset glow phenomenon it
Purpose is designed the decoded signal coding mode on scanning card 31, and concrete example is as shown in Figure 4.
Referring to fig. 4, before the row decoded signal group variation that the decoded signal coding mode based on the present embodiment design generates
Afterwards, only a data is overturn relatively.First pixel column in being scanned since decoded signal coding 5',b00,000 first,
Carry out second scanning middle second pixel row based on 5'b00001, based on 5'b00011 carry out third scan in the 4th pixel
Row, it is successively progressive according to arrow direction shown in Fig. 4, finally based on 5'b10000 carry out the 32nd scan in the 17th pixel
Row;Therefore it can be found that the scanning of row three times sequentially carried out middle sweeping in corresponding three pixel columns is corresponding lights
Pixel column not sweeps corresponding two with front and back and lights that the direct physics of pixel column is adjacent namely the middle sweeping is corresponding lights picture
Plain row, which is at least swept corresponding two with front and back and lighted, is separated at least one pixel column between one of pixel column.In addition, based on shown in Fig. 4
Decoded signal coding mode, it is required that system cooperates row decoded signal, such as need ahead of time when carrying out third and sweeping by the 4th
Row display data needed for a pixel column are sent into the display buffer of column drive circuit, to guarantee the normal progressive of display.So
One, the delay of signal has no influence to the other rows of gating of its mistake;The data output of row display simultaneously also adjusts, row display
The output of data, which needs to encode corresponding row gating sequence according to decoded signal, to be exported, to correctly be shown.
Scanning mode corresponding to the decoded signal coding mode of the present embodiment is because only that a decoded signal and upper one
Difference is swept, the different delay for causing the transmission of signal to generate independent of signal lead or the different IC of experience, Ke Yiyou
Effect inhibits mistake display existing in the prior art and sunset glow phenomenon.
3rd embodiment
As shown in figure 5, one of third embodiment of the invention display screen system 50, comprising: scanning card 51, HUB plate (or
Claim pinboard) 53 and LED lamp panel 55;HUB plate 53 is connected between scanning card 51 and LED lamp panel 55, and scanning card 51 is typically set
The data group output interface such as RGB data group interface for being equipped with programmable logic device such as FPGA device and being attached thereto.This
Place is it is noted that the quantity for the LED lamp panel 55 that HUB plate 53 is connected is not limited to shown in Fig. 5 one, particular number
Then depending on the true resolution of scanning type LED display screen, that is to say, that HUB plate 53 can connect a LED lamp panel 55, can also
To be the multiple LED lamp panels 55 of connection;Correspondingly scanning type LED display screen is for example with a LED lamp panel 55 or by multiple LED
Lamp plate 55 is spliced.In addition, it is noted that the LED lamp panel 55 in Fig. 5 only draws the decoder in its row decoding circuit
Chip and its connection relationship, certain LED lamp panel 55 are also provided with column drive circuit, scan line, data line and and LED array.
It can be learnt from Fig. 5: 51 one group of 4 row decoded signal (A, B, C, D) of output of scanning card and a control signal
CTRL;This group of row decoded signal (A, B, C, D) and control signal CTRL via HUB plate 53 are forwarded to LED lamp panel 55.In Fig. 5 institute
In the embodiment shown, 2 3-8 decoder chips are provided in LED lamp panel 55;The combination of this 2 3-8 decoder chips receives row
Decoded signal group (A, B, C, D) and the control for controlling signal CTRL can carry out a wheel 16 times (namely 24It is secondary) row scanning, in turn
LED lamp panel can be swept with drive control 16, drive control one kind 16 sweeps display screen in other words.
Referring to Fig. 6 A, the decoded signal coding mode for sweeping use in the prior art 16.System first is by the first pixel
Capable display data are sent into the display buffer of column drive circuit, and followed by, row decoded signal group gates first pixel column,
The display data of first pixel column are shown, at this time the corresponding decoded signal of row decoded signal group be encoded to 4'b0000 (
That is (A, B, C, D)=4'b0000);The display data of second pixel row are sent into the display buffer of column drive circuit, and then
Row decoded signal group gates second pixel row, and the display data of second pixel row are shown, at this time row decoded signal group
Corresponding decoded signal is encoded to 4'b0001 (namely (A, B, C, D)=4'b0001);The display data of third pixel column are sent
Enter the display buffer of column drive circuit, and then row decoded signal group gates third pixel column, and third pixel column is shown
Registration is according to being shown, the corresponding decoded signal of row decoded signal group is encoded to 4'b0010 (namely (A, B, C, D)=4' at this time
b0010);The decoded signal transcoding, coding transform sequence in Fig. 6 A is successively followed, but when from 4'b1111 to 4'b0000, if D
Signal due to HUB plate relative signal postpone 16nS, then due to ABC signal try to be the first 16nS overturning make its generate decoding letter
The output of number group is ((A, B, C, D)=4'b1000), this allow for should first pixel column show the display of first pixel column
When data, the display data of first pixel column of display so that the 9th pixel column (i.e. 4'b1000) is tried to be the first, to cause mistake
Accidentally show.
Hold it is above-mentioned, the present embodiment in order to realize [make in each round scanning process row decoded signal group it is every it is adjacent twice
Only one row decoded signal carries out level overturning by control when row scanning], reach the mesh for inhibiting mistake display and sunset glow phenomenon
, the decoded signal coding mode on scanning card 51 is designed, concrete example is as shown in Figure 6B.
Referring to Fig. 6 B, before the row decoded signal group variation that the decoded signal coding mode based on the present embodiment design generates
Afterwards, only a data is overturn relatively.First pixel column in being scanned since decoded signal coding 4,'b0,000 first,
Carry out second scanning middle second pixel row based on 4'b0001, based on 4'b0011 carry out third scan in the 4th pixel column,
It is successively progressive according to arrow direction shown in Fig. 6 B, finally based on 4'b1000 carry out the 16th scan in the 9th pixel column;Therefore
It can be found that the scanning of row three times sequentially carried out corresponding three middle sweepings lighted in pixel column are corresponding lights picture
Plain row not sweeps corresponding two with front and back and lights that the direct physics of pixel column is adjacent namely corresponding bright pixel of the middle sweeping
Row, which is at least swept corresponding two with front and back and lighted, is separated at least one pixel column between one of pixel column.In addition, based on shown in Fig. 6 B
Decoded signal coding mode, it is required that system cooperates row decoded signal, such as need ahead of time when carrying out third and sweeping by the 4th
Row display data needed for a pixel column are sent into the display buffer of column drive circuit, to guarantee the normal progressive of display.So
One, the delay of signal has no influence to the other rows of gating of its mistake;The data output of row display simultaneously also adjusts, row display
The output of data, which needs to encode corresponding row gating sequence according to decoded signal, to be exported, to correctly be shown.
Scanning mode corresponding to the decoded signal coding mode of the present embodiment is because only that a decoded signal and upper one
Difference is swept, the different delay for causing the transmission of signal to generate independent of signal lead or the different IC of experience, Ke Yiyou
Effect inhibits mistake display existing in the prior art and sunset glow phenomenon.
In several embodiments provided herein, it should be understood that disclosed system, device and method can be with
It realizes by another way.For example, the apparatus embodiments described above are merely exemplary, for example, the unit
It divides, only a kind of logical function partition, there may be another division manner in actual implementation, such as multichannel unit or component
It can be combined or can be integrated into another system, or some features can be ignored or not executed.Another point, it is shown or
The mutual coupling, direct-coupling or communication connection discussed can be through some interfaces, the indirect coupling of device or unit
It closes or communicates to connect, can be electrical property, mechanical or other forms.
The unit as illustrated by the separation member may or may not be physically separated, aobvious as unit
The component shown may or may not be physical unit, it can and it is in one place, or may be distributed over multichannel
In network unit.It can select some or all of unit therein according to the actual needs to realize the mesh of this embodiment scheme
's.
It, can also be in addition, the functional units in various embodiments of the present invention may be integrated into one processing unit
It is that each unit physically exists alone, can also be integrated in one unit with two or more units.Above-mentioned integrated list
Member both can take the form of hardware realization, can also realize in the form of hardware adds SFU software functional unit.
Finally, it should be noted that the above embodiments are merely illustrative of the technical solutions of the present invention, rather than its limitations;Although
Present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that: it still may be used
To modify the technical solutions described in the foregoing embodiments or equivalent replacement of some of the technical features;
And these are modified or replaceed, technical solution of various embodiments of the present invention that it does not separate the essence of the corresponding technical solution spirit and
Range.
Claims (10)
1. a kind of display screen display control method characterized by comprising
It is performed image display frame by frame according to row decoded signal group and display data drive control target display screen;
Wherein, the display that the target display screen carries out a frame image carries out an at least wheel scan, each wheel scan packet in the process
The row scanning that the overturning of row decoded signal group polling carries out is included, and the row decoded signal group described in each round scanning process is every
Only one row decoded signal carries out level overturning by control when the adjacent scanning of row twice.
2. display screen display control method according to claim 1, which is characterized in that according to row decoded signal group and display
The step of data drive control target display screen performs image display frame by frame include:
One first lighting pixel column, one second light on the target display screen is sequentially gated using the row decoded signal group
Pixel column and a thirdly bright pixel row;
Row, which is lighted, using one first shows that data, one second light row and shows that data and a third are lighted row display data and driven respectively
Dynamic described first sequentially gated lights pixel column, the second point bright pixel and the thirdly bright pixel row and is shown;
Wherein, pixel column is lighted relative to gating described first when the row decoded signal group gates the second point bright pixel row
When only one row decoded signal level overturning, and the row decoded signal group gating thirdly bright pixel carried out by control
Level overturning is carried out by control relative to only one row decoded signal when gating the second point bright pixel row when row.
3. display screen display control method according to claim 2 characterized by comprising light row for described first
Display data, described second light row and show that data and the third light row display data and are sequentially sent into the target display screen
On column drive circuit display buffer.
4. display screen display control method according to claim 1, which is characterized in that the row decoded signal group has 4
Row decoded signal or 5 row decoded signals.
5. a kind of scanning card, is adapted to a kind of target display screen;It is characterized in that, scanning card is used for: generate sequentially into
Multiple decoded signals needed for multiple row scanning of going encode, sequentially according to the multiple decoded signal coding generation row decoded signal
Group exports the row decoded signal group to the target display screen;Wherein, sequentially for generating the row decoded signal group
Only a data is overturn between each adjacent two decoded signal coding.
6. scanning card according to claim 5, which is characterized in that the multiple decoded signal coding includes sequentially for producing
One first decoded signal coding, one second decoded signal coding and a third decoded signal for the raw row decoded signal group is compiled
Code;Overturning and institute has occurred in only a data between the second decoded signal coding and first decoded signal coding
Only a data between third decoded signal coding and second decoded signal coding is stated to be overturn.
7. scanning card according to claim 5, which is characterized in that the decoding of each of the multiple decoded signal coding
Signal coding is 4 bits or 5 bits.
8. scanning card according to claim 5, which is characterized in that the scanning card is also used to: the multiple decoding is believed
Number coding pixel column to be gated respectively show that required display data are sequentially sent into display buffer.
9. a kind of display screen system, scanning card as described in card and connection including scanning as described in claim 5 to 8 any one
Target display screen;Wherein, the target display screen is LED display.
10. display screen system as claimed in claim 9, which is characterized in that further include: HUB plate, be connected to scanning card and
Between the LED display.
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US11830420B1 (en) | 2022-09-26 | 2023-11-28 | HKC Corporation Limited | Display panel, driving method and display device |
WO2024066401A1 (en) * | 2022-09-26 | 2024-04-04 | 惠科股份有限公司 | Display panel, driving method and display device |
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