CN108024149A - TCON plates and its method to SoC chip transmission signal, television set - Google Patents
TCON plates and its method to SoC chip transmission signal, television set Download PDFInfo
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- CN108024149A CN108024149A CN201711368268.0A CN201711368268A CN108024149A CN 108024149 A CN108024149 A CN 108024149A CN 201711368268 A CN201711368268 A CN 201711368268A CN 108024149 A CN108024149 A CN 108024149A
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- video data
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
- H04N21/442—Monitoring of processes or resources, e.g. detecting the failure of a recording device, monitoring the downstream bandwidth, the number of times a movie has been viewed, the storage space available from the internal hard disk
- H04N21/4425—Monitoring of client processing errors or hardware failure
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N17/00—Diagnosis, testing or measuring for television systems or their details
- H04N17/04—Diagnosis, testing or measuring for television systems or their details for receivers
- H04N17/045—Self-contained testing apparatus
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/44—Receiver circuitry for the reception of television signals according to analogue transmission standards
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- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Computer Networks & Wireless Communication (AREA)
- Databases & Information Systems (AREA)
- Health & Medical Sciences (AREA)
- Biomedical Technology (AREA)
- General Health & Medical Sciences (AREA)
- Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
- Compression Or Coding Systems Of Tv Signals (AREA)
Abstract
Method, television set the invention discloses a kind of TCON plates and its to SoC chip transmission signal.Wherein, method of the TCON plates by wall scroll connecting line to SoC chip transmission signal, including：The vision signal of SoC chip transmission is parsed, obtains video data；If video data is normal, the first level signal is transmitted to SoC chip；If video data is abnormal, the abnormality code corresponding to the exception information with video data is searched from preset table；It is used for the indication signal for indicating abnormality code according to the protocol generation between SoC chip；Indication signal is transmitted to SoC chip.Compared with prior art, the present invention is not on the basis of hardware configuration is changed, it can be realized to SoC chip using the wall scroll connecting line between TCON plates and SoC chip and transmit more effective informations, ensure that effective information exchange can be carried out between TCON plates and SoC chip, improve the reliability of system.
Description
Technical field
The present invention relates to TV domain, more particularly to a kind of TCON plates and its method to SoC chip transmission signal, also relate to
A kind of and television set.
Background technology
Serdes is English SERializer（Serializer）/DESerializer（Deserializer）Abbreviation.It is a kind of master
The time division multiplexing of stream, point-to-point serial communication technology, i.e., be converted at a high speed in transmitting terminal multi-path low speed parallel signal
Serial signal, by transmission media（Optical cable or copper wire）, finally low-speed parallel is re-converted into receiving terminal high-speed serial signals
Signal.This point-to-point serial communication technology makes full use of the channel capacity of transmission media, reduce required transmission channel and
Device pin number, the transmission speed of promotion signal, so as to substantially reduce communications cost.
At present, common DTV SoC chip（System level chip）With the TCON plates on display screen（Logic card or screen drive
Movable plate）Between more transmission that video data is completed using high speed serialization serdes interfaces, wherein, the transmission of these signals is single
Direction.Wherein, DTV SoC chip is transmitting terminal, and TCON plates are receiving terminal.As shown in Figure 1, transmitting terminal passes through at a high speed
Serdes circuits are by video signal transmission to receiving terminal.It is current in the prior art, receiving terminal is by wall scroll connecting line to hair
The state of the video data of sending end feedback reception.Specifically, receiving terminal by wall scroll connecting line to transmitting terminal transmit high level or
Low level signal, the video data for representing to receive is normal or abnormal, and transmitting terminal can be according to the level signal received afterwards
Respond.Such as when transmitting terminal receives high level signal, it is believed that receiving terminal receive video data it is normal, then continue to
Receiving terminal transmitting video data；When transmitting terminal receives low level signal, it is believed that the video data that receiving terminal receives is abnormal, then
Stop to receiving terminal transmitting video data.But in actual application, the situation that exception occurs in receiving terminal is more, passes through list
The low level signal of bar connecting line transmission（Or high level signal）The specific exception information of video data can not be passed to
Transmitting terminal, so may result in transmitting terminal can only make single response, such as stop to receiving terminal transmitting video data, can not
Corresponding response is made according to the specific exception information of video data.
The content of the invention
The technical problem to be solved in the present invention is in order to overcome in the prior art TCON plates can only by wall scroll connecting line to
The normal or abnormal state of SoC chip feedback video data, can not feed back the specific exception information of video data, so as to cause
There are the defects of unification for information exchange between SoC chip and TCON plates, there is provided a kind of TCON plates and its to SoC chip transmit
The method of signal, television set.
The present invention is to solve above-mentioned technical problem by following technical proposals：
The first aspect of the present invention provides a kind of method of TCON plates by wall scroll connecting line to SoC chip transmission signal, including
Following steps：
The vision signal of SoC chip transmission is parsed, obtains video data；
If the video data is normal, the first level signal is transmitted to the SoC chip；
If the video data is abnormal, following steps are performed：
The abnormality code corresponding to the exception information with the video data is searched from preset table；
It is used for the indication signal for indicating the abnormality code according to the protocol generation between the SoC chip, wherein, the finger
Show that signal includes pulse signal；
The indication signal is transmitted to the SoC chip.
Alternatively, the indication signal is additionally operable to carry the identifiable packet header of the SoC chip.
Alternatively, the exception information is timing information（Information for reflecting video signal pixels point quantity）It is wrong
Mistake, bit decoding error, key code word exception, PLL（Phaselocked loop）Losing lock or loss of data.
The second aspect of the present invention provides a kind of method of TCON plates by wall scroll connecting line to SoC chip transmission signal,
Comprise the following steps：
The vision signal of SoC chip transmission is parsed, obtains video data；
If the bit error rate of the video data is zero, the first level signal is transmitted to the SoC chip；
If the bit error rate of the video data is more than zero and less than the default bit error rate, following steps are performed：
The abnormality code corresponding to the exception information with the video data is searched from preset table；
It is used for the indication signal for indicating the abnormality code according to the protocol generation between the SoC chip, wherein, the finger
Show that signal includes pulse signal；
The indication signal is transmitted to the SoC chip.
Alternatively, after the step of vision signal to SoC chip transmission parses, obtains video data,
The method further includes：
If the bit error rate of the video data is more than or equal to the default bit error rate, second electrical level is transmitted to the SoC chip
Signal.
Alternatively, the indication signal is additionally operable to carry the identifiable packet header of the SoC chip.
Alternatively, the exception information is timing information errors, bit decoding error, key code word exception or PLL
Losing lock.
The third aspect of the present invention provides a kind of TCON plates, including：
Memory, for storing computer program；
And processor, for performing the computer program, to realize method as described above.
The fourth aspect of the present invention provides a kind of television set, including SoC chip and TCON plates as described above.
Alternatively, the SoC chip is used to pass through serdes circuits to the TCON plates one way transmission of video signal.
On the basis of common knowledge of the art, above-mentioned each optimum condition, can be combined, each preferably real up to the present invention
Example.
The positive effect of the present invention is：Compared with prior art, the present invention is not changing the basis of hardware configuration
On, i.e., it can be realized to SoC chip using the wall scroll connecting line between TCON plates and SoC chip and transmit more effective informations,
Specifically, when the video data that TCON plates receive is abnormal, searched from preset table corresponding to the exception information with video data
Abnormality code, and generate and be used to indicate the indication signal of the abnormality code；Since indication signal includes pulse signal,
Can be according to the different indication signal of the protocol generation between TCON plates and SoC chip, so that TCON plates can be to SoC cores
Piece transmits more effective informations, then, SoC chip can also be made accordingly according to the specific exception information that TCON plates are fed back
Response, it is ensured that effective information exchange can be carried out between TCON plates and SoC chip, improves the reliability of system.
Brief description of the drawings
Fig. 1 is the connection block diagram between transmitting terminal and receiving terminal in the prior art.
Fig. 2 is a kind of method stream of the TCON plates of the embodiment of the present invention by wall scroll connecting line to SoC chip transmission signal
Cheng Tu.
Fig. 3 is the indication signal that one kind of the embodiment of the present invention is used to indicate abnormality code " 3 ".
Fig. 4 is the indication signal that the another kind of the embodiment of the present invention is used to indicate abnormality code " 3 ".
Fig. 5 is the indication signal that one kind of the embodiment of the present invention is used to indicate abnormality code " 101 ".
Fig. 6 is the indication signal that the another kind of the embodiment of the present invention is used to indicate abnormality code " 101 ".
Fig. 7 is that one kind of the embodiment of the present invention is used to carry packet header " 10101100 " and instruction abnormality code
The indication signal of " 101 ".
Embodiment
The present invention is further illustrated below by the mode of embodiment, but does not therefore limit the present invention to the reality
Apply among a scope.
The present embodiment is applied in the television set for including SoC chip and TCON plates, and specifically, SoC chip is passed to TCON plates
The defeated vision signal after digital processing, vision signal are converted into display screen being driven to show after the processing by TCON plates
The signal of image.
In the prior art, as shown in Figure 1, SoC chip（Transmitting terminal）By serdes circuits to TCON plates（Receiving terminal）
Transmission video signal, if serdes circuits are interfered, the vision signal that TCON plates receive will be with the actual biography of SoC chip
Defeated vision signal is inconsistent.At present, shape of the TCON plates by wall scroll connecting line to the video data of SoC chip feedback reception
State, including normal and abnormal two states, such as feedback high level signal then represent normally, and feedback low level signal then represents different
Often.
A kind of method from wall scroll connecting line to SoC chip transmission signal the present embodiment provides TCON plates by, such as Fig. 2 institutes
Show, comprise the following steps：
Step 201, the vision signal to SoC chip transmission parse, and obtain video data.In the present embodiment, TCON plates connect
The vision signal of SoC chip transmission is received, and it is parsed, obtains video data.Wherein, the form of vision signal can be
V-by-One signals（The Digital Interface Standard specially developed towards image transmitting）Signal, or LVDS signals, specifically
Form is not construed as limiting.
Step 202, judge whether video data is normal, if so, then performing step 203, otherwise performs step 204 ~ 206.
Wherein, TCON plates judge that the whether normal method of video data can have very much, if such as the bit error rate of video data is zero,
Judge that video data is normal, otherwise judge video data exception；If the index of parameters meets default want in video data
Ask, then judge that video data is normal, otherwise judge video data exception, wherein, the parameter in video data can include
Timing information, bit number and PLL lock-out states etc..
Step 203, to SoC chip transmit the first level signal.Wherein, the first level signal can be high level signal,
It can also be low level signal, specifically be not construed as limiting.
Step 204, abnormality code of the lookup corresponding to the exception information of the video data from preset table.This implementation
In example, the one-to-one relationship that is stored with preset table between the exception information of video data and abnormality code.Wherein, video counts
According to exception information can be timing information errors, bit decoding error（Such as 8bit to 10bit decodings）, key code word
（Kcode）Abnormal, PLL losing locks or loss of data etc..For example, the corresponding abnormality code of timing information errors is " 101 ",
The corresponding abnormality code of bit decoding error is " 011 ".
In a kind of optional embodiment, timing information errors, bit decoding error, key code word it is abnormal and
These four exception informations of PLL losing locks are common exception information, if SoC chip receive it is any one in these exception informations
Kind, it is only necessary to perform the intermediary operation after being connected with TCON plates.And this exception information of loss of data is then to be serious
Exception information, if SoC chip receives this exception information, needs to be connected with TCON plates again.
Step 205, basis and indication signal of the protocol generation between SoC chip for indicating the abnormality code.Its
In, the indication signal includes pulse signal.Specifically, pulse signal can be square wave, triangular wave or sine wave.
In the present embodiment, the abnormality code that is characterized for indication signal and different is needed between TCON plates and SoC chip
The exception information rendezvous protocol that normal code is characterized.In addition, it is necessary to illustrate, the instruction that step 205 generates in the present embodiment
Signal is unrelated with the first level signal in step 203.
In a kind of optional embodiment, according to the agreement between TCON plates and SoC chip, the number of pulse signal is used
In characterization abnormality code.Such as the corresponding abnormality code of timing information errors is " 3 ", then, for indicating abnormality code " 3 "
Indication signal can as shown in Figure 3 or Figure 4, including 3 pulse signals, its from the first level signal for high level signal also
It is the limitation of low level signal.Wherein, the frequency of pulse signal can be set according to specific needs, as long as meeting SoC cores
It can be counted inside piece with pulse signals, such as can be 40KHz.
In optional one another kind embodiment, according to the agreement between TCON plates and SoC chip, by pulse signal and admittedly
Determine the characterized abnormality code of level signal.For example, the corresponding abnormality code of timing information errors is " 101 ", then is used for
Indicate that the indication signal of abnormality code " 101 " can be with as shown in figure 5, in Fig. 5,5 pulse signals represent " 0 ", believe with 5 pulses
Number cycle phase with high level signal represent " 1 ", wherein, it is by TCON plates and SoC cores that specific several pulse signals, which represent " 0 ",
What the agreement between piece was determined；Indication signal for indicating abnormality code " 101 " can be with as shown in fig. 6, in Fig. 6,5
Pulse signal represents " 1 ", and " 0 " is represented with the same low level signal of the cycle phase of 5 pulse signals, similarly, specific several arteries and veins
Rushing signal and representing " 1 " is determined by the agreement between TCON plates and SoC chip.
In a kind of optional embodiment, according to the agreement between TCON plates and SoC chip, above-mentioned indication signal is also used
In the carrying identifiable packet header of SoC chip.For example, can about it be scheduled between TCON plates and SoC chip each anti-
Feedback signal starts with " 10101100 " and is used as data message head, and data afterwards are payload data, different for indicating
Normal code " 101 ", specific indication signal can be as shown in Figure 7.
Step 206, to SoC chip transmit the indication signal.
Compared with prior art, above-described embodiment utilizes TCON plates and SoC cores on the basis of hardware configuration is not changed
Wall scroll connecting line between piece, which can be realized to SoC chip, transmits more effective informations, specifically, when what TCON plates received regards
During frequency data exception, the abnormality code corresponding to the exception information with video data is searched from preset table, and generates and is used to refer to
Show the indication signal of the abnormality code；, can be according to TCON plates and SoC chip since indication signal includes pulse signal
Between the different indication signal of protocol generation so that TCON plates can transmit more effective informations to SoC chip, that
, SoC chip also can according to TCON plates feed back specific exception information make corresponding response, it is ensured that TCON plates and SoC
Effective information exchange can be carried out between chip, improves the reliability of system.
In a kind of optional embodiment, when SoC chip receives the indication signal of TCON plates transmission, according to its with
Agreement between TCON plates parses indication signal, obtains abnormality code, knows video data further according to abnormality code
Specific exception information, finally makes corresponding response.Wherein, same preset table is also stored in SoC chip, from preset table
The exception information with the video data corresponding to abnormality code can be found out.Such as when the exception information of video data is
During timing information errors, SoC chip, which performs, resets and sends the operation of PLL；When the exception information of video data is bit
During decoding error, SoC chip performs the operation for resending CDR pattern；When the exception information of video data is key code
When word is abnormal, SoC chip performs the operation for resending align pattern；When the exception information of video data is PLL losing locks
When, SoC chip performs the operation for reconfiguring TX data；When the exception information of video data is loss of data, SoC chip is held
The operation that row is reconnected with TCON plates.
The present embodiment also provides a kind of method of TCON plates by wall scroll connecting line to SoC chip transmission signal, including with
Lower step：
Step 301, the vision signal to SoC chip transmission parse, and obtain video data.
If step 302, the bit error rate of video data are zero, step 303 is performed；If the bit error rate of video data is more than zero
And less than the default bit error rate, then perform step 304 ~ 306.Wherein, the default bit error rate can be according to the specific exception of video data
Situation is configured, such as could be provided as 80%.
Step 303, to SoC chip transmit the first level signal.
Step 304, abnormality code of the lookup corresponding to the exception information of the video data from preset table.Wherein,
Above-mentioned exception information is timing information errors, bit decoding error, key code word exception or PLL losing locks.
Step 305, basis and indication signal of the protocol generation between SoC chip for indicating the abnormality code.Its
In, the indication signal includes pulse signal.
In a kind of optional embodiment, above-mentioned indication signal is additionally operable to carry the identifiable data packet report of SoC chip
Head.
Step 306, to SoC chip transmit the indication signal.
In a kind of optional embodiment, further included in step 302：If the bit error rate of video data is more than or equal to above-mentioned
The default bit error rate, then perform step 307.
Step 307, to SoC chip transmit second electrical level signal.In the present embodiment, the first level signal in step 303
With the second electrical level signal in step 307 on the contrary, if such as the first level signal is high level signal, second electrical level signal is
Low level signal；If the first level signal is low level signal, second electrical level signal is high level signal.
In the present embodiment, the bit error rate of video data is more than the default bit error rate, then illustrates the video that TCON plates parse
Data directly transmit the second electrical level signal opposite with the first level signal, without again to SoC chip at this time there are gross error
Perform and search abnormality code and generation indication signal, improve efficiency.
The present embodiment divides the intensity of anomaly of video data, specifically：If the bit error rate of video data is zero,
Then illustrate that video data is normal；If the bit error rate of video data is more than zero and less than the default bit error rate, illustrate that video data is general
Logical abnormal, i.e., error rate is relatively low；If the bit error rate of video data is more than the default bit error rate, illustrate video data severely subnormal,
I.e. error rate is higher.TCON plates transmit different signals to SoC chip according to the different intensity of anomaly of video data, specifically,
If video data is normal, the first level signal is transmitted, if video data is commonly abnormal, transmission includes the instruction of pulse signal
Signal, if video data severely subnormal, transmits second electrical level signal.
It should be noted that in order to avoid SoC chip is by indication signal and second electrical level blurring, root in the present embodiment
According to the agreement between TCON and SoC chip, it is necessary to reference to second in the first level signal or step 307 in step 303
Level signal generates indication signal.
In a kind of optional embodiment, according to the agreement between TCON plates and SoC chip, the number of pulse signal is used
In characterization abnormality code.For example, the corresponding abnormality code of timing information errors is " 3 ", then, when the first level signal is height
During level signal, the indication signal for indicating abnormality code " 3 " can be as shown in Figure 3；When the first level signal is low level
During signal, the indication signal for indicating abnormality code " 3 " can be as shown in Figure 4.
In optional one another kind embodiment, according to the agreement between TCON plates and SoC chip, by pulse signal and admittedly
Determine the characterized abnormality code of level signal.For example, the corresponding abnormality code of timing information errors is " 101 ", then, when
When one level signal is high level signal, for indicate abnormality code " 101 " indication signal can with as shown in figure 5, in Fig. 5,5
A pulse signal represents " 0 ", and " 1 " is represented with the same high level signal of the cycle phase of 5 pulse signals, wherein, specific several arteries and veins
Rushing signal and representing " 0 " is determined by the agreement between TCON plates and SoC chip；When the first level signal is low level signal
When, the indication signal for indicating abnormality code " 101 " can be with as shown in fig. 6, in Fig. 6,5 pulse signals represent " 1 ", with 5
The cycle phase of a pulse signal with low level signal represent " 0 ", similarly, specific several pulse signals represent " 1 " be by
What the agreement between TCON plates and SoC chip was determined.
The present embodiment also provides a kind of TCON plates, including：
Memory, for storing computer program；
And processor, for performing the computer program, to realize the method as described in above-mentioned any embodiment.
The present embodiment also provides a kind of television set, including SoC chip and the TCON plates as described in above-mentioned any embodiment.
In a kind of optional embodiment, SoC chip is used to pass through serdes circuits to TCON plate one way transmission of video
Signal.
One of ordinary skill in the art will appreciate that：Realizing all or part of step of above-mentioned each method embodiment can lead to
The relevant hardware of programmed instruction is crossed to complete.Foregoing program can be stored in a computer read/write memory medium.The journey
Sequence upon execution, execution the step of including above-mentioned each method embodiment；And foregoing storage medium includes：ROM, RAM, magnetic disc or
Person's CD etc. is various can be with the medium of store program codes.
Although the foregoing describing the embodiment of the present invention, it will be appreciated by those of skill in the art that these
It is merely illustrative of, protection scope of the present invention is defined by the appended claims.Those skilled in the art is not carrying on the back
On the premise of from the principle of the present invention and essence, various changes or modifications can be made to these embodiments, but these are changed
Protection scope of the present invention is each fallen within modification.
Claims (10)
1. method of a kind of TCON plates by wall scroll connecting line to SoC chip transmission signal, it is characterised in that including following step
Suddenly：
The vision signal of SoC chip transmission is parsed, obtains video data；
If the video data is normal, the first level signal is transmitted to the SoC chip；
If the video data is abnormal, following steps are performed：
The abnormality code corresponding to the exception information with the video data is searched from preset table；
It is used for the indication signal for indicating the abnormality code according to the protocol generation between the SoC chip, wherein, the finger
Show that signal includes pulse signal；
The indication signal is transmitted to the SoC chip.
2. the method as described in claim 1, it is characterised in that the indication signal is additionally operable to carry the SoC chip and can know
Other packet header.
3. method as claimed in claim 1 or 2, it is characterised in that the exception information is timing information errors, bit
Decoding error, key code word exception, PLL losing locks or loss of data.
4. method of a kind of TCON plates by wall scroll connecting line to SoC chip transmission signal, it is characterised in that including following step
Suddenly：
The vision signal of SoC chip transmission is parsed, obtains video data；
If the bit error rate of the video data is zero, the first level signal is transmitted to the SoC chip；
If the bit error rate of the video data is more than zero and less than the default bit error rate, following steps are performed：
The abnormality code corresponding to the exception information with the video data is searched from preset table；
It is used for the indication signal for indicating the abnormality code according to the protocol generation between the SoC chip, wherein, the finger
Show that signal includes pulse signal；
The indication signal is transmitted to the SoC chip.
5. method as claimed in claim 4, it is characterised in that parsed in the vision signal to SoC chip transmission,
After the step of obtaining video data, the method further includes：
If the bit error rate of the video data is more than or equal to the default bit error rate, second electrical level is transmitted to the SoC chip
Signal.
6. method as claimed in claim 4, it is characterised in that the indication signal is additionally operable to carry the SoC chip and can know
Other packet header.
7. such as the method any one of claim 4-6, it is characterised in that the exception information is wrong for timing information
Mistake, bit decoding error, key code word exception or PLL losing locks.
A kind of 8. TCON plates, it is characterised in that including：
Memory, for storing computer program；
And processor, for performing the computer program, to realize the method as any one of claim 1-7.
9. a kind of television set, it is characterised in that including SoC chip and TCON plates as claimed in claim 8.
10. television set as claimed in claim 9, it is characterised in that the SoC chip is used for by serdes circuits to described
TCON plate one way transmission of video signals.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201711368268.0A CN108024149B (en) | 2017-12-18 | 2017-12-18 | Method for transmitting signal to SoC chip by TCON board through single connecting line, TCON board and television |
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| CN201711368268.0A CN108024149B (en) | 2017-12-18 | 2017-12-18 | Method for transmitting signal to SoC chip by TCON board through single connecting line, TCON board and television |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113593461A (en) * | 2021-07-19 | 2021-11-02 | 深圳市华星光电半导体显示技术有限公司 | Display panel and driving method thereof |
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