CN107357057A - A kind of liquid crystal display device and its narrow viewing angle waveform self-adapting regulation method - Google Patents
A kind of liquid crystal display device and its narrow viewing angle waveform self-adapting regulation method Download PDFInfo
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- CN107357057A CN107357057A CN201710665884.6A CN201710665884A CN107357057A CN 107357057 A CN107357057 A CN 107357057A CN 201710665884 A CN201710665884 A CN 201710665884A CN 107357057 A CN107357057 A CN 107357057A
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- 238000000034 method Methods 0.000 title claims abstract description 37
- 239000004973 liquid crystal related substance Substances 0.000 title claims abstract description 34
- 230000033228 biological regulation Effects 0.000 title claims abstract description 16
- 238000001514 detection method Methods 0.000 claims abstract description 4
- 230000000630 rising effect Effects 0.000 claims description 10
- 230000001960 triggered effect Effects 0.000 description 6
- 238000010586 diagram Methods 0.000 description 5
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- 230000004048 modification Effects 0.000 description 2
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- 230000007274 generation of a signal involved in cell-cell signaling Effects 0.000 description 1
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- 230000011664 signaling Effects 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
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- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/1323—Arrangements for providing a switchable viewing angle
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- General Physics & Mathematics (AREA)
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- Liquid Crystal Display Device Control (AREA)
- Control Of Indicators Other Than Cathode Ray Tubes (AREA)
Abstract
The invention discloses a kind of liquid crystal display device and its narrow viewing angle waveform self-adapting regulation method, the liquid crystal display device includes trigger, interrupt control unit, signal processor, counter, memory, digital analog converter and display panel；The trigger signal of trigger detection triggering waveform；Interrupt control unit generates status flag information according to the trigger signal of acquisition；The status flag information that signal processor generates according to interrupt control unit, control counter are counted；If the counting for being additionally operable to counter reaches k*N, narrow viewing angle Wave data is read from memory, and the narrow viewing angle Wave data of reading is sent to digital analog converter；The narrow viewing angle Wave data that digital analog converter reception signal processor is sent, is converted to data point magnitude of voltage by the narrow viewing angle Wave data of reception and exports to display panel.The present invention realizes narrow viewing angle waveform and is adaptively adjusted with refresh rate, and waveform shake and points distribution are uneven caused by solving the problems, such as automatic Assignment.
Description
Technical field
The present invention relates to display technology field, more particularly to a kind of liquid crystal display device and its narrow viewing angle waveform adaptively to adjust
Adjusting method.
Background technology
In the prior art, narrow viewing angle waveform generally use is that frame start signal STV (Start Vertical) conducts are touched
Signal.If waveform only meets the narrow viewing angle effect under single-frequency, without adaptively adjusting；If waveform needs to meet a variety of
Narrow viewing angle effect under frequency, then synchronizing signal to realize that frequency adaptively adjusts with trigger signal.Can be real using STV triggerings
Existing waveform frequency adaptively adjusts, but there are the following problems using STV triggerings：
1), realize that adaptively adjustment usually requires automatic distributing point counting method to realize to frequency, passes through the side of cycle count
Formula determines needed for different frequency that waveform is counted.When STV is triggered every time, cycle count will not stop in time, cause waveform to occur
Shake, can flash display screen, it is necessary to could reduce waveform by logical process and shake；
2), waveform is more complicated, realizes that the difficulty that waveform frequency adaptively adjusts is bigger using automatic distributing point counting method,
This may result in the problem of appearance points distribution is uneven, so as to influence the shape of the script of waveform.
The content of the invention
It is a primary object of the present invention to propose a kind of liquid crystal display device and its narrow viewing angle waveform self-adapting regulation method,
Aim to solve the problem that the problem of existing in the prior art using STV triggerings.
To achieve the above object, first aspect of the embodiment of the present invention provides a kind of liquid crystal display device, the liquid crystal display
Device includes trigger, interrupt control unit, signal processor, counter, memory, digital analog converter and display panel；
The trigger, for detecting the trigger signal of triggering waveform；
The interrupt control unit, for obtaining the trigger signal for the triggering waveform that the trigger detects, and according to obtaining
The trigger signal generation status flag information taken；
The signal processor, for the status flag information generated according to the interrupt control unit, control the counting
Device is counted；If the counting for being additionally operable to the counter reaches k*N, narrow viewing angle waveform number is read from the memory
According to, and the narrow viewing angle Wave data of reading is sent to the digital analog converter；Wherein k is positive integer, and N is the digital-to-analogue conversion
The number of trigger signal required for the data point magnitude of voltage of device output；
The digital analog converter, the narrow viewing angle Wave data sent for receiving the signal processor, by the narrow of reception
Visual angle Wave data is converted to data point magnitude of voltage and exported to the display panel.
Optionally, the frequency f1 of the triggering waveform follows frame start signal STV frequency f2, and the triggering waveform exists
There is M trigger signal in a cycle of the frame start signal STV, the minimum waveform points wherein needed for M >=narrow viewing angle；
The minimum time T1 of the data point magnitude of voltage of the digital analog converter output is less than T2, and wherein T2 is adjacent triggering
The time t of signal minimum value.
Optionally, waveform points of the digit of the digital analog converter according to needed for N, M and narrow viewing angle determine.
Optionally, the signal processor, is additionally operable to judge whether the narrow viewing angle Wave data in the memory reads
Finish, finished if not reading, control the counter to continue to count.
Optionally, the trigger signal is rising edge trigger signal.
In addition, to achieve the above object, second aspect of the embodiment of the present invention provides a kind of narrow viewing angle of liquid crystal display device
Waveform self-adapting regulation method, methods described include step：
The trigger signal of detection triggering waveform；
Interrupt control unit obtains the trigger signal of the triggering waveform detected, and generates state according to the trigger signal of acquisition
Flag information；
The status flag information generated according to the interrupt control unit, control counter are counted；
If the counting of the counter reaches k*N, narrow viewing angle Wave data is read from memory；Wherein k is just whole
Number, the number of the trigger signal required for the data point magnitude of voltage that N exports for the digital analog converter；
The narrow viewing angle Wave data of reading is converted to data point magnitude of voltage and exported to display panel by digital analog converter.
Optionally, the frequency f1 of the triggering waveform follows frame start signal STV frequency f2, and the triggering waveform exists
There is M trigger signal in a cycle of the frame start signal STV, the minimum waveform points wherein needed for M >=narrow viewing angle；
The minimum time T1 of the data point magnitude of voltage of the digital analog converter output is less than T2, and wherein T2 is adjacent triggering
The time t of signal minimum value.
Optionally, waveform points of the digit of the digital analog converter according to needed for N, M and narrow viewing angle determine.
Optionally, methods described also includes step：
Judge whether the narrow viewing angle Wave data in the memory reads to finish；
Finished if not reading, control the counter to continue to count.
Optionally, the trigger signal is rising edge trigger signal.
Liquid crystal display device provided by the invention and its narrow viewing angle waveform self-adapting regulation method, waveform is triggered by detecting
Trigger signal, narrow viewing angle Wave data is read from memory and is converted to data point magnitude of voltage and exports to display panel；It is real
Show narrow viewing angle waveform to be adaptively adjusted with refresh rate, waveform shake caused by solving automatic Assignment and points distribution
The problem of uneven, facilitate the realization and application of narrow viewing angle waveform.
Brief description of the drawings
Fig. 1 is the LCD device structure schematic diagram of the embodiment of the present invention；
Fig. 2 is the narrow viewing angle waveform self-adapting regulation method schematic flow sheet of the liquid crystal display device of the embodiment of the present invention；
Fig. 3 is another flow signal of narrow viewing angle waveform self-adapting regulation method of the liquid crystal display device of the embodiment of the present invention
Figure；
Fig. 4 is the frame start signal STV of the embodiment of the present invention and the structural representation of triggering waveform；
Fig. 5 is the triggering waveform of the embodiment of the present invention and the structural representation of sync waveform；
Fig. 6 is that the narrow viewing angle waveform of the liquid crystal display device of the embodiment of the present invention adaptively adjusts process flow schematic diagram.
The realization, functional characteristics and advantage of the object of the invention will be described further referring to the drawings in conjunction with the embodiments.
Embodiment
The present invention is more fully described hereinafter with reference to accompanying drawing.In various figures, identical element is using similar attached
Icon is remembered to represent.For the sake of clarity, the various pieces in accompanying drawing are not necessarily to scale.In addition, it may not show in figure
Go out some known parts.
It describe hereinafter many specific details of the present invention, such as the structure of device, material, size, processing work
Skill and technology, to be more clearly understood that the present invention.But just as the skilled person will understand, it can not press
The present invention is realized according to these specific details.
First embodiment
Fig. 1 is the LCD device structure schematic diagram of the embodiment of the present invention, as shown in figure 1, first embodiment of the invention
A kind of liquid crystal display device is provided, liquid crystal display device includes trigger 11, interrupt control unit 12, signal processor 13, counting
Device 14, memory 15, digital analog converter 16 and display panel (not shown)；
Trigger 11, for detecting the trigger signal of triggering waveform；
In the present embodiment, trigger signal is rising edge trigger signal.
Fig. 4 is the frame start signal STV of the embodiment of the present invention and the structural representation of triggering waveform, with reference to shown in figure 4,
In the present embodiment, the frequency f1 for triggering waveform follows frame start signal STV frequency f2, i.e. f1=f2, and triggers waveform in frame
There is M trigger signal in initial signal STV a cycle, the minimum waveform points wherein needed for M >=narrow viewing angle.
It should be noted that the blank areas in Fig. 4 are not essential for triggering waveform.
Fig. 5 is the triggering waveform of the embodiment of the present invention and the structural representation of sync waveform, and with reference to shown in figure 5, digital-to-analogue turns
The minimum time T1 for the data point magnitude of voltage that parallel operation 16 exports is less than T2, wherein T2 for adjacent trigger signal time t most
Small value, that is, when triggering the frequency f1 maximums of waveform, corresponding time t is the time t of adjacent trigger signal minimum value.
It should be noted that if the minimum time T1 for the data point magnitude of voltage that digital analog converter 16 exports is more than T2, count
Device 14 can produce miscount because of T1 overlong times, can not realize that sync waveform exports.
The number of trigger signal required for the data point magnitude of voltage that N in Fig. 5 exports for digital analog converter 16.Th is ripple
The retention time of form point magnitude of voltage, Th=N*t.
Interrupt control unit 12, the trigger signal of the triggering waveform detected for obtaining trigger 11, and according to acquisition
Trigger signal generates status flag information；
Signal processor 13, for the status flag information generated according to interrupt control unit 12, control counter 14 is carried out
Count；If the counting for being additionally operable to counter 14 reaches k*N, narrow viewing angle Wave data is read from memory 15, and will read
Narrow viewing angle Wave data be sent to digital analog converter 16；Wherein k is positive integer, and N is the data point that digital analog converter 16 exports
The number of trigger signal required for magnitude of voltage；
In another embodiment, signal processor 13, it is additionally operable to judge the narrow viewing angle Wave data in memory 15
Whether reading finishes, and is finished if not reading, and control counter 14 continues to count.
Digital analog converter 16, the narrow viewing angle Wave data sent for reception signal processor 13, by the narrow viewing angle of reception
Wave data is converted to data point magnitude of voltage and exported to display panel.
In the present embodiment, waveform points of the digit of digital analog converter 16 according to needed for N, M and narrow viewing angle determine.
Such as：M=1080, N=6 in waveform are triggered, i.e., every 6 rising edges triggering is once, then the ripple needed for narrow viewing angle
Form point number is M/N=180, if selection digital analog converter, 7 (bit) can meet.But if N=1, then narrow viewing angle
Required waveform points are M/N=1080, the scope of well beyond 7 (bit), and such case digital analog converter 16 can be with
Select 10 (bit), i.e. maximum 1024.
It refer again to shown in Fig. 6, Fig. 6 is that the narrow viewing angle waveform of the liquid crystal display device of the embodiment of the present invention adaptively adjusts
Process flow schematic diagram.It is as follows that the narrow viewing angle waveform of liquid crystal display device adaptively adjusts process：
During beginning, the opens interrupters controller 12 of signal processor 13, after obtaining rising edge trigger signal, counter 14
(being represented with variable count) is incremented by 1 since 0；Judge whether count value can be with evenly divisible by N, if it can, reading storage
Wave data in device 15, otherwise count continue to be incremented by 1 until can be with evenly divisible by N；Pass through variable i record storage 15 simultaneously
Middle Wave data position, with for exporting next Wave data；Continue to judge whether count has reached trigger signal sum
Total, if count is equal to total, illustrate that Wave data output is completed；At this moment by count and i all clear 0, wait next
Secondary trigger signal arrives.
Liquid crystal display device provided in an embodiment of the present invention, the trigger signal of waveform is triggered by detecting, from memory
Read narrow viewing angle Wave data and be converted to data point magnitude of voltage and export to display panel；Narrow viewing angle waveform is realized with refreshing
Rate is adaptively adjusted, and waveform shake and points distribution are uneven caused by solving the problems, such as automatic Assignment, facilitate narrow regard
The realization and application of angle waveform.
Second embodiment
Reference picture 2, the narrow viewing angle waveform that Fig. 2 provides a kind of liquid crystal display device for second embodiment of the invention are adaptively adjusted
Adjusting method, liquid crystal display device refer to first embodiment, and therefore not to repeat here.Narrow viewing angle waveform self-adapting regulation method includes
Step：
21st, the trigger signal of detection triggering waveform；
In the present embodiment, trigger signal is rising edge trigger signal.
With reference to shown in figure 4, in the present embodiment, the frequency f1 for triggering waveform follows frame start signal STV frequency f2, i.e.,
F1=f2, and triggering waveform has M trigger signal in frame start signal STV a cycle, wherein needed for M >=narrow viewing angle
Minimum waveform points.
It should be noted that the blank areas in Fig. 4 are not essential for triggering waveform.
With reference to shown in figure 5, the minimum time T1 for the data point magnitude of voltage that digital analog converter 16 exports is less than T2, and wherein T2 is
The time t of adjacent trigger signal minimum value, that is, when triggering the frequency f1 maximums of waveform, corresponding time t is adjacent touches
The time t of signalling minimum value.
It should be noted that if the minimum time T1 for the data point magnitude of voltage that digital analog converter 16 exports is more than T2, count
Device 14 can produce miscount because of T1 overlong times, can not realize that sync waveform exports.
The number of trigger signal required for the data point magnitude of voltage that N in Fig. 5 exports for digital analog converter 16.Th is ripple
The retention time of form point magnitude of voltage, Th=N*t.
22nd, interrupt control unit 12 obtains the trigger signal of the triggering waveform detected, and is given birth to according to the trigger signal of acquisition
Into status flag information；
23rd, the status flag information generated according to interrupt control unit 12, control counter 14 are counted；
The 24th, if the counting of counter 14 reaches k*N, narrow viewing angle Wave data is read from memory 15；Wherein k is just
Integer, the number of the trigger signal required for the data point magnitude of voltage that N exports for digital analog converter 16；
25th, the narrow viewing angle Wave data of reading is converted to data point magnitude of voltage and exported to display surface by digital analog converter 16
Plate.
In the present embodiment, waveform points of the digit of digital analog converter 16 according to needed for N, M and narrow viewing angle determine.
Such as：M=1080, N=6 in waveform are triggered, i.e., every 6 rising edges triggering is once, then the ripple needed for narrow viewing angle
Form point number is M/N=180, if selection digital analog converter, 7 (bit) can meet.But if N=1, then narrow viewing angle
Required waveform points are M/N=1080, and the scope of well beyond 7 (bit), such case digital analog converter can select
10 (bit), i.e. maximum 1024.
Fig. 3 is another flow signal of narrow viewing angle waveform self-adapting regulation method of the liquid crystal display device of the embodiment of the present invention
Figure, refer to shown in Fig. 3, further, method also includes step：
26th, judge whether the narrow viewing angle Wave data in memory 15 reads to finish；Finished if not reading, control meter
Number device 14 continues to count.
As illustratively, refer again to shown in Fig. 6, Fig. 6 is the narrow viewing angle ripple of the liquid crystal display device of the embodiment of the present invention
Shape adaptively adjusts process flow schematic diagram.It is as follows that the narrow viewing angle waveform of liquid crystal display device adaptively adjusts process：
During beginning, the opens interrupters controller 12 of signal processor 13, after obtaining rising edge trigger signal, counter 14
(being represented with variable count) is incremented by 1 since 0；Judge whether count value can be with evenly divisible by N, if it can, reading storage
Wave data in device 15, otherwise count continue to be incremented by 1 until can be with evenly divisible by N；Pass through variable i record storage 15 simultaneously
Middle Wave data position, with for exporting next Wave data；Continue to judge whether count has reached trigger signal sum
Total, if count is equal to total, illustrate that Wave data output is completed；At this moment by count and i all clear 0, wait next
Secondary trigger signal arrives.
The narrow viewing angle waveform self-adapting regulation method of liquid crystal display device provided in an embodiment of the present invention, triggered by detecting
The trigger signal of waveform, narrow viewing angle Wave data is read from memory and is converted to data point magnitude of voltage and exports to display surface
Plate；Realize narrow viewing angle waveform to be adaptively adjusted with refresh rate, waveform shake and point caused by solving automatic Assignment
The problem of number distribution is uneven, facilitates the realization and application of narrow viewing angle waveform.
It should be noted that herein, such as first and second or the like relational terms are used merely to a reality
Body or operation make a distinction with another entity or operation, and not necessarily require or imply and deposited between these entities or operation
In any this actual relation or order.Moreover, term " comprising ", "comprising" or its any other variant are intended to
Nonexcludability includes, so that process, method, article or equipment including a series of elements not only will including those
Element, but also the other element including being not expressly set out, or it is this process, method, article or equipment also to include
Intrinsic key element.In the absence of more restrictions, the key element limited by sentence "including a ...", it is not excluded that
Other identical element also be present in process, method, article or equipment including the key element.
According to embodiments of the invention as described above, these embodiments do not have all details of detailed descriptionthe, not yet
It is only described specific embodiment to limit the invention.Obviously, as described above, can make many modifications and variations.This explanation
Book is chosen and specifically describes these embodiments, is in order to preferably explain the principle and practical application of the present invention, so that affiliated
Technical field technical staff can be used using modification of the invention and on the basis of the present invention well.The present invention is only by right
The limitation of claim and its four corner and equivalent.
Claims (10)
1. a kind of liquid crystal display device, including trigger, interrupt control unit, signal processor, counter, memory, digital-to-analogue turn
Parallel operation and display panel, it is characterised in that
The trigger, for detecting the trigger signal of triggering waveform；
The interrupt control unit, the trigger signal of the triggering waveform detected for obtaining the trigger, and according to acquisition
Trigger signal generates status flag information；
The signal processor, for the status flag information generated according to the interrupt control unit, the counter is controlled to enter
Row counts；If the counting for being additionally operable to the counter reaches k*N, narrow viewing angle Wave data is read from the memory, and
The narrow viewing angle Wave data of reading is sent to the digital analog converter；Wherein k is positive integer, and N is that the digital analog converter is defeated
The number of trigger signal required for the data point magnitude of voltage gone out；
The digital analog converter, the narrow viewing angle Wave data sent for receiving the signal processor, by the narrow viewing angle of reception
Wave data is converted to data point magnitude of voltage and exported to the display panel.
2. a kind of liquid crystal display device according to claim 1, it is characterised in that the frequency f1 of the triggering waveform is followed
Frame start signal STV frequency f2, and the triggering waveform has M in a cycle of the frame start signal STV and touched
Signal, the minimum waveform points wherein needed for M >=narrow viewing angle；
The minimum time T1 of the data point magnitude of voltage of the digital analog converter output is less than T2, and wherein T2 is adjacent trigger signal
Time t minimum value.
A kind of 3. liquid crystal display device according to claim 2, it is characterised in that the digit of the digital analog converter according to
N, M and the waveform points needed for narrow viewing angle determine.
4. according to a kind of any described liquid crystal display devices of claim 1-3, it is characterised in that the signal processor, also
Whether the narrow viewing angle Wave data for judging in the memory, which reads, finishes, and is finished if not reading, controls the meter
Number device continues to count.
5. according to a kind of any described liquid crystal display devices of claim 1-3, it is characterised in that the trigger signal is rising
Along trigger signal.
6. a kind of narrow viewing angle waveform self-adapting regulation method of liquid crystal display device, methods described include step：
The trigger signal of detection triggering waveform；
Interrupt control unit obtains the trigger signal of the triggering waveform detected, and generates Status Flag according to the trigger signal of acquisition
Information；
The status flag information generated according to the interrupt control unit, control counter are counted；
If the counting of the counter reaches k*N, narrow viewing angle Wave data is read from memory；Wherein k is positive integer, N
For the number of the trigger signal required for the data point magnitude of voltage of digital analog converter output；
The narrow viewing angle Wave data of reading is converted to data point magnitude of voltage and exported to display panel by digital analog converter.
7. the narrow viewing angle waveform self-adapting regulation method of liquid crystal display device according to claim 6, it is characterised in that institute
The frequency f1 for stating triggering waveform follows frame start signal STV frequency f2, and the triggering waveform is in the frame start signal STV
A cycle in there is M trigger signal, minimum waveform wherein needed for M >=narrow viewing angle is counted；
The minimum time T1 of the data point magnitude of voltage of the digital analog converter output is less than T2, and wherein T2 is adjacent trigger signal
Time t minimum value.
8. the narrow viewing angle waveform self-adapting regulation method of liquid crystal display device according to claim 6, it is characterised in that institute
Waveform points of the digit of digital analog converter according to needed for N, M and narrow viewing angle are stated to determine.
9. according to the narrow viewing angle waveform self-adapting regulation method of any described liquid crystal display devices of claim 6-8, its feature
It is, methods described also includes step：
Judge whether the narrow viewing angle Wave data in the memory reads to finish；
Finished if not reading, control the counter to continue to count.
10. according to the narrow viewing angle waveform self-adapting regulation method of any described liquid crystal display devices of claim 6-8, its feature
It is, the trigger signal is rising edge trigger signal.
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| CN201710665884.6A CN107357057B (en) | 2017-08-07 | 2017-08-07 | Liquid crystal display device and narrow visual angle waveform self-adaptive adjustment method thereof |
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| CN201710665884.6A CN107357057B (en) | 2017-08-07 | 2017-08-07 | Liquid crystal display device and narrow visual angle waveform self-adaptive adjustment method thereof |
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| CN102237061A (en) * | 2010-11-16 | 2011-11-09 | 华映视讯（吴江）有限公司 | Angle cutting system of display and timing sequence angle cutting control method thereof |
| US20140333673A1 (en) * | 2013-05-10 | 2014-11-13 | Lg Display Co., Ltd. | Display apparatus and display apparatus control method |
| CN104464654A (en) * | 2013-09-23 | 2015-03-25 | 瑞鼎科技股份有限公司 | Panel driving circuit and automatic synchronization method of ring-shaped oscillation frequency thereof |
| CN105589235A (en) * | 2016-03-11 | 2016-05-18 | 深圳市华星光电技术有限公司 | Liquid crystal display panel driving method |
| CN106448601A (en) * | 2016-11-03 | 2017-02-22 | 昆山龙腾光电有限公司 | Liquid crystal display device and public voltage driving method of liquid crystal display device in narrow view angle mode |
| CN106879053A (en) * | 2016-12-28 | 2017-06-20 | 深圳天珑无线科技有限公司 | The method and communication terminal of a kind of change LCD refreshing frequencys |
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| CN102237061A (en) * | 2010-11-16 | 2011-11-09 | 华映视讯（吴江）有限公司 | Angle cutting system of display and timing sequence angle cutting control method thereof |
| US20140333673A1 (en) * | 2013-05-10 | 2014-11-13 | Lg Display Co., Ltd. | Display apparatus and display apparatus control method |
| CN104464654A (en) * | 2013-09-23 | 2015-03-25 | 瑞鼎科技股份有限公司 | Panel driving circuit and automatic synchronization method of ring-shaped oscillation frequency thereof |
| CN105589235A (en) * | 2016-03-11 | 2016-05-18 | 深圳市华星光电技术有限公司 | Liquid crystal display panel driving method |
| CN106448601A (en) * | 2016-11-03 | 2017-02-22 | 昆山龙腾光电有限公司 | Liquid crystal display device and public voltage driving method of liquid crystal display device in narrow view angle mode |
| CN106879053A (en) * | 2016-12-28 | 2017-06-20 | 深圳天珑无线科技有限公司 | The method and communication terminal of a kind of change LCD refreshing frequencys |
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| CN107357057B (en) | 2020-05-01 |
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