CN106991989A - The method of adjustment and device of a kind of common electric voltage of LCD panel - Google Patents
The method of adjustment and device of a kind of common electric voltage of LCD panel Download PDFInfo
- Publication number
- CN106991989A CN106991989A CN201710389029.7A CN201710389029A CN106991989A CN 106991989 A CN106991989 A CN 106991989A CN 201710389029 A CN201710389029 A CN 201710389029A CN 106991989 A CN106991989 A CN 106991989A
- Authority
- CN
- China
- Prior art keywords
- voltage
- screen flash
- liquid crystal
- crystal display
- display panel
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 238000000034 method Methods 0.000 title claims abstract description 37
- 239000004973 liquid crystal related substance Substances 0.000 claims abstract description 192
- 238000001514 detection method Methods 0.000 claims abstract description 18
- 230000008859 change Effects 0.000 claims description 64
- 238000006243 chemical reaction Methods 0.000 claims description 13
- 230000003321 amplification Effects 0.000 claims description 12
- 238000003199 nucleic acid amplification method Methods 0.000 claims description 12
- 230000005611 electricity Effects 0.000 claims description 11
- 210000003205 muscle Anatomy 0.000 claims description 9
- 230000018199 S phase Effects 0.000 claims description 5
- 238000005516 engineering process Methods 0.000 abstract description 9
- 230000035807 sensation Effects 0.000 description 24
- 239000000523 sample Substances 0.000 description 18
- 238000004458 analytical method Methods 0.000 description 10
- 230000001276 controlling effect Effects 0.000 description 10
- 238000004891 communication Methods 0.000 description 9
- 238000012545 processing Methods 0.000 description 9
- 230000000694 effects Effects 0.000 description 8
- 238000010586 diagram Methods 0.000 description 5
- 239000007788 liquid Substances 0.000 description 5
- 230000003287 optical effect Effects 0.000 description 4
- 230000005236 sound signal Effects 0.000 description 4
- 230000000712 assembly Effects 0.000 description 3
- 238000000429 assembly Methods 0.000 description 3
- 230000006870 function Effects 0.000 description 3
- 230000001133 acceleration Effects 0.000 description 2
- 230000003993 interaction Effects 0.000 description 2
- 238000007726 management method Methods 0.000 description 2
- 230000002093 peripheral effect Effects 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- KLDZYURQCUYZBL-UHFFFAOYSA-N 2-[3-[(2-hydroxyphenyl)methylideneamino]propyliminomethyl]phenol Chemical compound OC1=CC=CC=C1C=NCCCN=CC1=CC=CC=C1O KLDZYURQCUYZBL-UHFFFAOYSA-N 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 210000001367 artery Anatomy 0.000 description 1
- 230000006399 behavior Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000013500 data storage Methods 0.000 description 1
- 201000001098 delayed sleep phase syndrome Diseases 0.000 description 1
- 208000033921 delayed sleep phase type circadian rhythm sleep disease Diseases 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 239000012092 media component Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000004088 simulation Methods 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
- 210000003462 vein Anatomy 0.000 description 1
Classifications
-
- 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
- G09G3/34—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 by control of light from an independent source
- G09G3/36—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 by control of light from an independent source using liquid crystals
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Physics & Mathematics (AREA)
- Computer Hardware Design (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Control Of Indicators Other Than Cathode Ray Tubes (AREA)
- Liquid Crystal Display Device Control (AREA)
Abstract
The invention discloses a kind of method for adjusting common voltage of liquid crystal display panel and device, belong to field of terminal technology.This method includes：Brightness to liquid crystal display panel carries out repeated detection, and detected multiple brightness values are respectively converted into multiple first voltages；Based on multiple first voltages, screen flash value is determined；In corresponding relation between the screen flash value and voltage of storage, it is determined that with the corresponding second voltage of screen flash value, and the brightness returned to liquid crystal display panel carries out the operation of repeated detection, until obtaining N number of second voltage, the N is that the digit of the register based on liquid crystal display panel determines to obtain；Based on N number of second voltage, the common electric voltage of liquid crystal display panel is adjusted.The present invention is detected by the brightness repeatedly to liquid crystal display panel, obtains N number of second voltage, and the common electric voltage of liquid crystal display panel is adjusted according to N number of second voltage, improves the accuracy and efficiency of adjustment common electric voltage of LCD panel.
Description
Technical field
The present invention relates to field of terminal technology, the method for adjusting common voltage and dress of more particularly to a kind of liquid crystal display panel
Put.
Background technology
With the development of technology, the use scope of liquid crystal display panel is more and more extensive.Because liquid crystal display panel is going out
May occur screen flicker during factory due to voltage, so as to influence Consumer's Experience, reduce user's viscosity.Therefore, in order to
Liquid crystal display panel is set to reach best image state when dispatching from the factory, it usually needs to carry out screen flash tune to liquid crystal display panel
It is whole.And screen flash adjustment is carried out to liquid crystal display panel realization is mainly adjusted by the common electric voltage to liquid crystal display panel
's.
In correlation technique, referring to Fig. 1, the input of the color analysis instrument such as the output end and CA210 of liquid crystal display panel
End connection, the output end of color analysis instrument and the input of control terminal are connected, the control end and control terminal of color analysis instrument
The connection of the first output end, the second output end of control terminal and I2C (Inter-Integrated Circuit, integrated circuit
Bus) control panel input connection, the input of the output ends of I2C control panels and liquid crystal display panel connects.When progress liquid
During the common electric voltage adjustment of LCD panel, control terminal can send screen flash value to color analysis instrument and obtain request, the color
Analyzer can obtain the common electric voltage value of liquid crystal display panel, and the screen flash value is shown, and by the screen flash value send to
Control terminal；User can observe the screen flash value that color analysis instrument is shown, and by the operation to control terminal, realize to the liquid
The common electric voltage adjustment of LCD panel；Control terminal can be sent the common electric voltage after adjustment to liquid by I2C control panels
LCD panel, to adjust the common electric voltage of liquid crystal display panel, afterwards, repeats aforesaid operations, until user thinks
Untill common electric voltage is adjusted into optimum voltage.
But, when being adjusted by aforesaid operations to the common electric voltage of liquid crystal display panel, generally require staff
By repeatedly manually adjusting, cause the operation being adjusted complex, reduce to the regulated efficiency of common electric voltage and accurate
Property.Meanwhile, when carrying out common electric voltage adjustment, it is necessary to which control terminal and color analysis instrument cooperate, equipment cost is higher.
The content of the invention
In order to improve the regulated efficiency and accuracy of the common electric voltage for adjusting liquid crystal display panel, the embodiment of the present invention is provided
The method for adjusting common voltage and device of a kind of liquid crystal display panel.The technical scheme is as follows：
On the one hand there is provided a kind of method for adjusting common voltage of liquid crystal display panel, methods described includes：
Repeated detection is carried out to the brightness of liquid crystal display panel, and detected multiple brightness values are respectively converted into many
Individual first voltage；
Based on the multiple first voltage, screen flash value is determined；In corresponding relation between the screen flash value and voltage of storage,
It is determined that with the corresponding second voltage of screen flash value, and return to the operation that repeated detection is carried out to the brightness of liquid crystal display panel,
Until obtaining N number of second voltage, the N is that the digit of the register based on the liquid crystal display panel determines to obtain；
Based on N number of second voltage, the common electric voltage of the liquid crystal display panel is adjusted.
Alternatively, it is described to be based on the multiple first voltage, screen flash value is determined, including：
Maximum first voltage and minimum first voltage are determined from the multiple first voltage；
Based on the maximum first voltage and the minimum first voltage, the screen flash value is determined.
Alternatively, it is described to be based on the maximum first voltage and the minimum first voltage, the screen flash value is determined, is wrapped
Include：
Based on the maximum first voltage and the minimum first voltage, the screen flash value is determined by equation below：
Wherein, the Flicker is the screen flash value, the VmaxFor the maximum first voltage, the VminTo be described
Minimum first voltage.
Alternatively, it is described to be based on N number of second voltage, the common electric voltage of the liquid crystal display panel is adjusted,
Including：
Screen flash change curve is generated by N number of second voltage and the corresponding screen flash value of each second voltage；
Minimum second voltage is determined from the screen flash change curve；
The common electric voltage of the liquid crystal display panel is adjusted to the minimum second voltage, to complete to the liquid crystal
Show the common electric voltage adjustment of panel.
Alternatively, the minimum second voltage of the determination from the screen flash change curve, including：
By the screen flash change curve, it is evenly dividing according to second voltage as X equal portions, the X is more than or equal to 1 just
Integer；
From the corresponding screen flash value of X+1 reference voltage of the screen flash change curve, the first screen flash value, described are determined
One screen flash value is screen flash value minimum in the corresponding screen flash value of the X+1 reference voltage；
Corresponding second voltage is worth based on step-length S and first screen flash, second is determined from the screen flash change curve
Screen flash value and the 3rd screen flash value；Wherein, S=N/X；
Minimum screen flash value is determined from the first screen flash value, the second screen flash value and the 3rd screen flash value；
When the step-length S is more than or equal to default step-length, the step-length S is reduced, and make first screen flash
It is worth for the minimum screen flash value, returns to perform corresponding second voltage is worth based on step-length S and first screen flash, determines the second screen
The operation of sudden strain of a muscle value and the 3rd screen flash value, until when the step-length S is less than the default step-length, will eventually determine obtained most smaller screen
The corresponding second voltage of sudden strain of a muscle value is defined as the minimum second voltage.
Alternatively, it is described that corresponding second voltage is worth based on step-length S and first screen flash, from the screen flash change curve
The second screen flash value of middle determination and the 3rd screen flash value, including：
By the first screen flash value, corresponding second voltage adds with the step-length S-phase in the screen flash change curve, obtains
To first object voltage；
The corresponding screen flash value of the first object voltage is obtained from the screen flash change curve, the screen flash value of acquisition is true
It is set to the second screen flash value；
By the first screen flash value, correspondence second voltage subtracts the step-length S in the screen flash change curve, obtains the
Two target voltages；
Obtain the corresponding screen flash value of second target voltage from the screen flash change curve, and by the screen flash value of acquisition
It is defined as the 3rd screen flash value.
Alternatively, the common electric voltage by the liquid crystal display panel is adjusted to the minimum second voltage, including：
The minimum second voltage is subjected to digital-to-analogue conversion；
The minimum second voltage after conversion is amplified；
The minimum second voltage after amplification is sent to the liquid crystal display panel, by the liquid crystal display panel
Common electric voltage be adjusted to amplification after the minimum second voltage.
On the other hand there is provided a kind of common electric voltage adjusting apparatus of liquid crystal display panel, described device includes：
Modular converter, for carrying out repeated detection to the brightness of liquid crystal display panel, and by detected multiple brightness
Value is respectively converted into multiple first voltages；
First determining module, for based on the multiple first voltage, determining screen flash value；
Second determining module, in the corresponding relation between the screen flash value and voltage of storage, it is determined that with the screen flash
It is worth corresponding second voltage, and the brightness returned to liquid crystal display panel carries out the operation of repeated detection, until obtaining N number of second
Voltage, the N is that the digit of the register based on the liquid crystal display panel determines to obtain；
Adjusting module, for based on N number of second voltage, being adjusted to the common electric voltage of the liquid crystal display panel
It is whole.
Alternatively, first determining module includes：
First determination sub-module, for determining maximum first voltage and the electricity of minimum first from the multiple first voltage
Pressure；
Second determination sub-module, for based on the maximum first voltage and the minimum first voltage, determining the screen
Sudden strain of a muscle value.
Alternatively, second determination sub-module is used for：
Based on the maximum first voltage and the minimum first voltage, the screen flash value is determined by equation below：
Wherein, the Flicker is the screen flash value, the VmaxFor the maximum first voltage, the VminTo be described
Minimum first voltage.
Alternatively, the adjusting module includes：
Submodule is generated, for generating screen flash by N number of second voltage and the corresponding screen flash value of each second voltage
Change curve；
3rd determination sub-module, for determining minimum second voltage from the screen flash change curve；
Submodule is adjusted, for the common electric voltage of the liquid crystal display panel to be adjusted into the minimum second voltage, with
Complete to adjust the common electric voltage of the liquid crystal display panel.
Alternatively, the 3rd determination sub-module is used for：
By the screen flash change curve, it is evenly dividing according to second voltage as X equal portions, the X is more than or equal to 1 just
Integer；
From the corresponding screen flash value of X+1 reference voltage of the screen flash change curve, the first screen flash value, described are determined
One screen flash value is screen flash value minimum in the corresponding screen flash value of the X+1 reference voltage；
Corresponding second voltage is worth based on step-length S and first screen flash, second is determined from the screen flash change curve
Screen flash value and the 3rd screen flash value；Wherein, S=N/X；
Minimum screen flash value is determined from the first screen flash value, the second screen flash value and the 3rd screen flash value；
When the step-length S is more than or equal to default step-length, the step-length S is reduced, and make first screen flash
It is worth for the minimum screen flash value, returns to perform corresponding second voltage is worth based on step-length S and first screen flash, determines the second screen
The operation of sudden strain of a muscle value and the 3rd screen flash value, until when the step-length S is less than the default step-length, will eventually determine obtained most smaller screen
The corresponding second voltage of sudden strain of a muscle value is defined as the minimum second voltage.
Alternatively, the 3rd determination sub-module is additionally operable to：
By the first screen flash value, corresponding second voltage adds with the step-length S-phase in the screen flash change curve, obtains
To first object voltage；
The corresponding screen flash value of the first object voltage is obtained from the screen flash change curve, the screen flash value of acquisition is true
It is set to the second screen flash value；
By the first screen flash value, correspondence second voltage subtracts the step-length S in the screen flash change curve, obtains the
Two target voltages；
Obtain the corresponding screen flash value of second target voltage from the screen flash change curve, and by the screen flash value of acquisition
It is defined as the 3rd screen flash value.
Alternatively, the adjustment submodule is used for：
The minimum second voltage is subjected to digital-to-analogue conversion；
The minimum second voltage after conversion is amplified；
The minimum second voltage after amplification is sent to the liquid crystal display panel, by the liquid crystal display panel
Common electric voltage be adjusted to amplification after the minimum second voltage.
The beneficial effect that technical scheme provided in an embodiment of the present invention is brought is：In embodiments of the present invention, by multiple
Brightness to liquid crystal display panel is detected, obtains multiple first voltages, and can determine second according to multiple first voltages
Voltage.In order that liquid crystal display panel by screen flash after adjusting, display effect is optimal, after N number of second voltage is obtained, may be used also
Can be adjusted according to N number of second voltage to the common electric voltage of liquid crystal display panel, it is to avoid be manually repeatedly adjusted,
So as to improve the accuracy and efficiency for the common electric voltage for adjusting liquid crystal display panel.In addition, in embodiments of the present invention, without
By the participation of color analysis instrument, so as to reduce the cost of the common electric voltage of adjustment liquid crystal display panel.
Brief description of the drawings
Technical scheme in order to illustrate the embodiments of the present invention more clearly, makes required in being described below to embodiment
Accompanying drawing is briefly described, it should be apparent that, drawings in the following description are only some embodiments of the present invention, for
For those of ordinary skill in the art, on the premise of not paying creative work, other can also be obtained according to these accompanying drawings
Accompanying drawing.
Fig. 1 is that a kind of common electric voltage of the liquid crystal display panel provided in correlation technique adjusts the schematic diagram of system；
Fig. 2A is that a kind of common electric voltage of liquid crystal display panel provided in an embodiment of the present invention adjusts the structural representation of system
Figure；
Fig. 2 B are the structural representations of the first voltage-regulating circuit provided in an embodiment of the present invention；
Fig. 2 C are the structural representations of second of voltage-regulating circuit provided in an embodiment of the present invention；
Fig. 2 D are the structural representations of the third voltage-regulating circuit provided in an embodiment of the present invention；
Fig. 2 E are the structural representations of the 4th kind of voltage-regulating circuit provided in an embodiment of the present invention；
Fig. 2 F are the structural representations of the 5th kind of voltage-regulating circuit provided in an embodiment of the present invention；
Fig. 2 G are the structural representations of the 6th kind of voltage-regulating circuit provided in an embodiment of the present invention；
Fig. 2 H are the structural representations of the 7th kind of voltage-regulating circuit provided in an embodiment of the present invention；
Fig. 2 I are the structural representations of the 8th kind of voltage-regulating circuit provided in an embodiment of the present invention；
Fig. 3 A are a kind of flow charts of the method for adjusting common voltage of liquid crystal display panel provided in an embodiment of the present invention；
Fig. 3 B are a kind of screen flash change curve schematic diagrames provided in an embodiment of the present invention；
Fig. 4 A are a kind of structural representations of the common electric voltage adjusting apparatus of liquid crystal display panel provided in an embodiment of the present invention
Figure；
Fig. 4 B are a kind of structural representations of first determining module provided in an embodiment of the present invention；
Fig. 4 C are a kind of structural representations of adjusting module provided in an embodiment of the present invention；
Fig. 5 is a kind of structural representation of terminal provided in an embodiment of the present invention；
Reference：
1：Terminal, 2：Liquid crystal display panel；
11：Light sensation is popped one's head in, and 12：Control circuit, 13：Amplifier circuit, 14：Voltage calibration circuit, 15：Circuit is set,
16：Phase adjusting circuit；
111：The output end of light sensation probe, 121：Control the first input end of circuit, 122：Control the first output of circuit
End, 123：Control the second output end of circuit, 124：Control the second input of circuit, 131：Gather amplifying circuit first is defeated
Enter end, 132：Gather the output end of amplifying circuit, 133：Second input of amplifier circuit, 134：Amplifier circuit
3rd input, 141：The input of voltage calibration circuit, 142：First output end of voltage calibration circuit, 143：Voltage calibration
Second output end of circuit, 151：The output end of circuit, 161 are set：The input of phase adjusting circuit, 162：Pulse adjustment electricity
The output end on road, 163：D/A converting circuit, 164：Voltage amplifier circuit, 1631：The input of D/A converting circuit, 1632：
The output end of D/A converting circuit, 1641：The input of voltage amplifier circuit, 1642：The output end of voltage amplifier circuit.
Embodiment
To make the object, technical solutions and advantages of the present invention clearer, below in conjunction with accompanying drawing to embodiment party of the present invention
Formula is described in further detail.
Before detailed explanation is carried out to the embodiment of the present invention, the first name to being related in the embodiment of the present invention
Word, application scenarios and system architecture are explained respectively.
First, the noun being related in the embodiment of the present invention is introduced.
I2C
I2C refers to the bus for connecting controller and its ancillary equipment, including serial data line SDA and serial time clock line
SCL。
Secondly, to the present embodiments relate to application scenarios be introduced.
The method for adjusting common voltage of liquid crystal display panel provided in an embodiment of the present invention may apply to that will dispatch from the factory
Liquid crystal display panel carry out screen flash adjustment in.Occur because liquid crystal display panel is when dispatching from the factory, the reason for may be because of voltage
Screen flicker, so as to influence Consumer's Experience, reduces user's viscosity.Therefore, in order that liquid crystal display panel can reach when dispatching from the factory
To best image state, it can be adjusted by the method for adjusting common voltage of liquid crystal display panel provided in an embodiment of the present invention
It is whole.When the method for adjusting common voltage of the liquid crystal display panel by the embodiment of the present invention carries out the adjustment of screen flash, Ke Yiduo
The brightness of secondary detection liquid crystal display panel, obtains multiple first voltages, determines second voltage according to multiple first voltages afterwards.For
Make liquid crystal display panel after being adjusted by screen flash, display effect is optimal, after N number of second voltage is obtained, can be according to N number of
Second voltage, it is determined that minimum screen flash is worth corresponding second voltage, because screen flash value is smaller, illustrates the screen flash of LCDs more not
Substantially, therefore, the common electric voltage of corresponding second voltage adjustable liquid crystal display display panel is worth by minimum screen flash, can not only make liquid
Crystalline substance screen reaches optimal display result when dispatching from the factory, while passing through the common electric voltage of liquid crystal display panel provided in an embodiment of the present invention
Method of adjustment is adjusted, and can avoid manually repeatedly being adjusted, and improves the common electric voltage adjustment of liquid crystal display panel
Accuracy and efficiency.
Finally, to the present embodiments relate to system architecture be introduced.
Fig. 2A adjusts system architecture schematic diagram for a kind of common electric voltage of liquid crystal display panel provided in an embodiment of the present invention,
Referring to Fig. 2A, the system includes terminal 1 and liquid crystal display panel 2.Wherein, terminal 1 is can be to the public of liquid crystal display panel
The terminal that voltage is adjusted, the terminal can be mobile terminal, tablet personal computer etc..Terminal 1 can gather liquid crystal display panel 2
Brightness, and the common electric voltage of liquid crystal display panel 2 is adjusted automatically according to the brightness of liquid crystal display panel, with to the liquid
The common electric voltage of LCD panel is adjusted.
From the foregoing, terminal can be adjusted to the common electric voltage of liquid crystal display panel, and terminal is realized to liquid crystal
The common electric voltage adjustment of display panel needs, by voltage-regulating circuit, therefore, in the terminal 1 to include voltage and adjust electricity
Road, referring to Fig. 2 B, carries out that explanation is explained in detail below to the voltage-regulating circuit.
The voltage-regulating circuit can include light sensation probe 11 and control circuit 12.Light sensation probe 11 output end 111 with
Control circuit 12 first input end 121 connect, light sensation probe 11 test side 112 can be with liquid crystal display panel 2 screen
Contact, the first output end 122 of control circuit 12 is connected with the input 21 of liquid crystal display panel 2.Light sensation probe 12 can be right
The brightness of liquid crystal display panel 2 carries out repeated detection, and the multiple brightness values detected are respectively converted into multiple first voltages,
By the logical output of the plurality of first voltage to control circuit 12.Control circuit 12 to be based on multiple first voltages, determine screen flash value,
And in the corresponding relation between the screen flash value and voltage of storage, it is determined that with the corresponding second voltage of screen flash value；And by liquid crystal
The common electric voltage of display panel is adjusted to second voltage, and light sensation probe is returned afterwards to be carried out to the brightness of liquid crystal display panel
The operation of repeated detection, until control circuit 12 obtains N number of second voltage, N is the register based on the liquid crystal display panel 2
Digit determines to obtain；Control circuit 12 to be based on N number of second voltage, the common electric voltage of liquid crystal display panel 2 is adjusted.
Because the brightness that light sensation probe can be repeatedly to liquid crystal display panel is detected, multiple first voltages are obtained, and
The plurality of first voltage is sent to control circuit, the control circuit can pop one's head according to light sensation detects that obtain multiple first is electric
Pressure determines second voltage.In order that liquid crystal display panel by screen flash after adjusting, display effect is optimal, is obtaining N number of second
During voltage, the common electric voltage of liquid crystal display panel can be adjusted according to N number of second voltage, go out liquid crystal display panel
Optimal display result is reached during factory, simultaneously, it is to avoid be manually repeatedly adjusted, so as to improve the public of liquid crystal display panel
The accuracy and efficiency of voltage adjustment.
Wherein, because liquid crystal display panel is when occurring screen flash, brightness can be changed, therefore, and light sensation probe needs many
The secondary brightness to liquid crystal display panel is detected, and light sensation is popped one's head in when detecting the brightness of liquid crystal display panel each time,
Need liquid crystal display panel, and in the brightness of the liquid crystal display panel detected, by the brightness of the liquid crystal display panel
Value is converted to corresponding first voltage.Light sensation probe will the brightness transition that detect can be with for the operation of corresponding first voltage
With reference to correlation technique, the embodiment of the present invention is no longer repeated this one by one.
It should be noted that the register that liquid crystal display panel 2 includes can be eight bit register, or 16
Register, and control circuit 12 can obtain the digit of the register of liquid crystal display panel 2 in advance.Wherein, control circuit is true
When determining N, it may be determined that 2 Y powers, Y is the digit of the register of liquid crystal display panel, be that is to say, N is equal to 2 Y powers.
Such as, Y be equal to 8 when, it is determined that N be 256.
In addition, in embodiments of the present invention, the control circuit can be the single-chip microcomputer with analog-digital conversion function.
Furthermore, light sensation probe 11 and control circuit 12 can be not only included in the voltage-regulating circuit, it can also be included
His circuit, such as, can also include amplifier circuit 13, voltage calibration circuit 14, set circuit 15 and phase adjusting circuit
16, it is following that these circuits are introduced respectively.
Amplifier circuit 13
Because when the brightness of liquid crystal display panel 2 is too low, the corresponding first voltage of the brightness is equally too low, may lead
Cause the follow-up precision for carrying out screen flash adjustment not enough, or when brightness is too high and after screen flash is adjusted, the liquid crystal display after adjustment
The brightness of panel may supersaturation.Therefore, amplifier circuit 13 can also be included in the voltage-regulating circuit, referring to figure
2C, gathering the first input end 131 of amplifying circuit 13 can be connected with the output end 111 of light sensation probe 11, gather amplifying circuit
13 output end 132 can be with controlling the input 121 of circuit 12 to be connected.
What deserves to be explained is, amplifier circuit 13 can amplify the plurality of first voltage respectively, and after this is amplified
Multiple first voltages are respectively sent to control circuit 12, so as to avoid the follow-up common electric voltage adjustment for carrying out liquid crystal display panel
When, due to brightness it is too low or too high caused by Adjustment precision not enough or adjustment luminance saturation the problem of.
It should be noted that the amplifier circuit 13 can be realized by INA333 chips, and especially by INA333
The process of voltage amplification is realized, correlation technique is may be referred to, the embodiment of the present invention is no longer repeated this one by one.
Voltage calibration circuit 14
Because the Benchmark brightness of the liquid crystal display panel of different brightness is inconsistent (standard is black/white), therefore, in order to improve
The accuracy of the common electric voltage adjustment of follow-up liquid crystal display panel, referring to Fig. 2 D, can include voltage in the voltage-regulating circuit
Calibrate circuit.The input 141 of voltage calibration circuit 14 is with controlling the second output end 123 of circuit 12 to be connected, voltage calibration electricity
First output end 142 on road 14 is connected with the second input 133 of amplifier circuit 13, and the second of voltage calibration circuit 14 is defeated
Go out end 143 to be connected with the 3rd input 134 of amplifier circuit 13.
It should be noted that when adjusting the common electric voltage of liquid crystal display panel of same model, can be all in adjustment
Before the common electric voltage of the liquid crystal display panel of same model, voltage calibration circuit carries out primary calibration to amplifier circuit；When
When needing to adjust the common electric voltage of the liquid crystal display panel of other models, voltage calibration circuit is needed again to amplifier circuit
Calibrated.
Wherein, control circuit can send the reference voltage for needing to adjust to voltage calibration circuit, and voltage calibration circuit can
To be calibrated according to the reference voltage to amplifier circuit, and voltage calibration circuit is based on benchmark to the amplifier circuit
The operation that voltage is calibrated to amplifier circuit may be referred to correlation technique, and the embodiment of the present invention is no longer carried out one by one to this
Repeat.
It should be noted that the voltage calibration circuit 14 can be realized by AD5241 chips, it that is to say, AD5241 chips
Different reference voltages can be exported to amplifier circuit 13 under the control of the control circuitry 12, to enter to amplifier circuit 13
Row calibration.
In a kind of possible implementation, referring to Fig. 2 E, the amplifier circuit 13 and voltage calibration circuit 14 can be with
Including INA333 chips 135, AD5241 chips, first resistor R1, second resistance R2,3rd resistor R3, the 4th resistance R4, the 5th
Resistance R5, the 6th resistance R6, the 7th resistance R7, the 8th resistance R8, the 9th resistance R9, the first electric capacity C1, the second electric capacity C2, the 3rd
Electric capacity C3, the 5th electric capacity C5 and the 5th electric capacity C5.
Wherein, the V- pins of INA333 chips are connected with protecting field, and the of the RG1 pin first resistors R1 of INA333 chips
One end is connected, and first resistor R1 the second end is connected with second resistance R2 first end, second resistance R2 the second end and
The RG2 pins connection of INA333 chips；The V+ pins of INA333 chips are connected with the first electric capacity C1 first end, the first electric capacity C1
The second end be connected with protecting field；The of the VOUT pins of INA333 chips and the second electric capacity C2 first end, control circuit 12
One input 121 is connected, and the second end of the second electric capacity is connected respectively with the REF pins of INA333 chips and protecting field GND；
The VIN- pins of INA333 chips and the 3rd electric capacity C3 first end, 3rd resistor R3 first end, the first of the 4th resistance R4
End, the 5th resistance R5 first end, the 6th resistance R6 first end, the 4th electric capacity C4 first end are connected respectively, the 4th electric capacity
C4 the second end is connected respectively with the 6th resistance R6 the second end；3rd electric capacity C3 the second end and the VIN+ of INA333 chips draw
Pin, 3rd resistor R3 the second end, the 7th resistance R7 first end and the 5th electric capacity C5 first end are connected respectively；5th electric capacity
C5 the second end is connected with the output end 111 of light sensation probe 11；4th resistance R4 the second end and the B1 pins of AD5241 chips
Connection, the 7th resistance R7 the second end is connected respectively with the W1 pins and A1 pins of AD5241 chips respectively；5th resistance R5's
The first end at the second end, the VDD pins of AD5241 chips and the 8th resistance R8 is connected with power supply VCC respectively；AD5241 cores
The AD0 pins of piece are connected respectively with the 8th resistance R8 the second end and the 9th resistance R9 first end, and the second of the 9th resistance R9
End is connected respectively with the AD1 pins, DGND pins and VSS pins of AD5241 chips；The SCL pins and SDA of AD5241 chips draw
Pin is connected with the second output end 123 for controlling circuit 123 respectively.
Circuit 15 is set
Referring to Fig. 2 F, set the output end 151 of circuit 15 can be with controlling the second input 124 of circuit 12 to be connected, should
Circuit is set to input the relevant configuration that user inputs into control circuit.
Wherein, screen flash value is used for the screen flash degree for indicating liquid crystal display panel, when screen flash value is smaller, illustrates liquid crystal display
The display of panel is more stable, display effect, therefore, in order to adjust the common electric voltage of liquid crystal display panel, under normal circumstances
Need to be adjusted by screen flash value.Therefore, before the common electric voltage adjustment of liquid crystal display panel is carried out, user can pass through
Set circuit 15 that the corresponding relation between screen flash value and voltage is set, that is to say, set circuit to receive user by specifying
The screen flash value and second voltage of (voice operating, clicking operation, slide etc.) input are operated, and is receiving the screen flash value
During with second voltage, the screen flash value and second voltage are stored in the corresponding relation between screen flash value and voltage.Afterwards, electricity is set
Road sends the corresponding relation between the screen flash value and voltage to control circuit, by control circuit by between the screen flash value and voltage
Corresponding relation stored.
It should be noted that the setting circuit 15 can not only set the corresponding relation between screen flash value and voltage, may be used also
To set other relevant parameters, such as, set circuit that the digit of register of liquid crystal display panel can also be set, and will set
Liquid crystal display panel register digit send to control circuit 12 so that control circuit store the liquid crystal display panel
Register digit.
Phase adjusting circuit 16
Because the liquid crystal display panel having only may allow analog signal to input, when liquid crystal display panel only allows simulation to believe
Number input when, control circuit will be unable to export second voltage to liquid crystal display panel by I2C buses, that is to say, voltage adjust
Whole circuit can not be adjusted to the common electric voltage of liquid crystal display panel.Therefore, arteries and veins can also be included in the voltage-regulating circuit
Adjustment circuit 16 is rushed, referring to Fig. 2 G, the input 161 of phase adjusting circuit 16 is with controlling the first output end 122 of circuit 12 to connect
Connect, the output end 162 of phase adjusting circuit 16 is connected with the input 21 of liquid crystal display panel 2.Phase adjusting circuit 16 can be with
Second voltage is subjected to digital-to-analogue conversion；Second voltage after conversion is amplified；The second voltage after amplification is sent afterwards
To liquid crystal display panel 2.
Wherein, referring to Fig. 2 H, D/A converting circuit 163 and voltage amplifier circuit can be included in the phase adjusting circuit 16
164, the input 1631 of the D/A converting circuit 163 is with controlling the first output end 122 of circuit 12 to be connected, D/A converting circuit
163 output end 1632 is connected with the input 1641 of voltage amplifier circuit 164, the output end 1642 of voltage amplifier circuit 164
It is connected with the input 21 of liquid crystal display panel 2.
It should be noted that D/A converting circuit 163 can be realized by N8DS3502 chips, voltage amplifier circuit 164
Realized by MAX9650 chips.
After form due to the form that second voltage has data signal to be converted to analog signal, if second voltage is too
It is small, then it may lead to not export the second voltage to liquid crystal display panel.Therefore, in order to guarantee the second voltage
Smoothly output is to liquid crystal display panel, and the voltage amplifier circuit 164 needs the second voltage being amplified.
In a kind of possible implementation, referring to Fig. 2 I, the phase adjusting circuit 16 can include N8 DS3502 cores
Piece, MAX9650 chips, the tenth resistance R10, the 11st resistance R11, the 12nd resistance R12 and the 13rd resistance R13.
Wherein, first output end 122 of the SDA pins and SCL pins of N8 DS3502 chips respectively with control circuit connects
Connect；The GND pins of N8 DS3502 chips, RL pins, A0 pins, the GND pin of MAX9650 chips, EP pins respectively with protection
Ground is connected；The VCC pin of N8DS3502 chips and the tenth resistance R10 first end are connected with power supply VCC respectively；Tenth electricity
Resistance R10 the second end is connected respectively with the A1 pins of N8 DS3502 chips and the 11st resistance R11 first end, the 11st electricity
Resistance R11 the second end is connected with the A0 pins of N8 DS3502 chips；The RW pins and the 12nd resistance R12 of N8 DS3502 chips
First end connection, the second end of the 12nd resistance is connected with the IN+ pins of MAX9650 chips；The IN- of MAX9650 chips draws
The first end of pin and OUT pins respectively with the 13rd resistance R13 is connected, the 13rd resistance R13 the second end and LCD
The input 21 of plate 2 is connected.
In embodiments of the present invention, due to light sensation pop one's head in can be repeatedly to liquid crystal display panel brightness detect, obtain
Sent to multiple first voltages, and by the plurality of first voltage to control circuit, the control circuit can pop one's head according to light sensation and examine
The multiple first voltages measured determine second voltage.In order that liquid crystal display panel by screen flash after adjusting, display effect
Most preferably, when obtaining N number of second voltage, the common electric voltage of liquid crystal display panel can be adjusted according to N number of second voltage,
Liquid crystal display panel is set to reach optimal display result when dispatching from the factory, simultaneously, it is to avoid to be manually repeatedly adjusted, so as to improve
The accuracy and efficiency of the common electric voltage adjustment of liquid crystal display panel.In addition, in embodiments of the present invention, without passing through CA210
Deng the participation of color analysis instrument, so as to reduce the cost of the common electric voltage of adjustment liquid crystal display panel.
Fig. 3 A are a kind of flow charts of the method for adjusting common voltage of liquid crystal display panel provided in an embodiment of the present invention.This
Inventive embodiments will carry out screen flash adjustment with reference to accompanying drawing 3A to the terminal including voltage-regulating circuit shown in above-mentioned Fig. 2A-Fig. 2 G
Operation carry out detailed explanation, referring to Fig. 3 A, this method comprises the following steps.
Step 301：The brightness of terminal-pair liquid crystal display panel carries out repeated detection, and by detected multiple brightness values
It is respectively converted into multiple first voltages.
From the foregoing, light sensation probe can be included in terminal, can be to the bright of liquid crystal display panel by light sensation probe
Degree is detected.Simultaneously as liquid crystal display panel is when occurring screen flash, brightness can be changed, therefore, and light sensation probe needs
Repeatedly the brightness to liquid crystal display panel is detected, and brightness of the light sensation probe in detection liquid crystal display panel each time
When, it is necessary to press close to liquid crystal display panel, and in the corresponding brightness value of the brightness that detects liquid crystal display panel, by the brightness value
Be converted to corresponding first voltage.The operation that the brightness value detected is converted to corresponding first voltage by light sensation probe can be with
With reference to correlation technique, the embodiment of the present invention is no longer repeated this one by one.
Wherein, terminal is obtained after multiple first voltages by light sensation probe, can be popped one's head in by light sensation by the plurality of first
Voltage is sent to control circuit, and by controlling circuit to perform the operation of following step 302- steps 304.
Step 302：Terminal is based on multiple first voltages, determines screen flash value.
Specifically, terminal can be by controlling circuit to determine maximum first voltage and minimum first from multiple first voltages
Voltage；Based on maximum first voltage and minimum first voltage, screen flash value is determined.
Wherein, terminal can determine screen flash value based on maximum first voltage and minimum first voltage by equation below：
Wherein, in above-mentioned formula (1), Flicker is screen flash value, VmaxFor maximum first voltage, VminFor minimum first
Voltage.
Such as, when the plurality of first voltage is 3V, 5V, 10V, 12V and 15V, maximum first voltage is 15V, minimum the
One voltage be 3V, by above-mentioned formula (1), it is determined that screen flash value be about 66.7%.
In addition, also including amplifier circuit from the voltage-regulating circuit in above-mentioned Fig. 2 C, the terminal, therefore, eventually
End can also amplify the plurality of first voltage when obtaining multiple first voltages by amplifier circuit.Meanwhile, by above-mentioned figure
2D understands that the voltage-regulating circuit in the terminal also includes voltage calibration circuit, in order to improve the public affairs of follow-up liquid crystal display panel
The accuracy of common voltage adjustment, if terminal includes amplifier circuit and voltage calibration circuit, the terminal can lead in advance
Overvoltage calibration circuit is calibrated to amplifier circuit.
It should be noted that multiple first voltages that terminal is obtained, can be the multiple first voltages for constituting the cycle of specifying,
It can also be any number first voltage.Wherein the cycle is specified to set in advance, such as, this specifies the cycle to be 1
Cycle, 2 cycles etc..
Step 303, in corresponding relation of the terminal between the screen flash value and voltage of storage, second voltage is determined, and return step
Rapid 301 operation, until obtaining N number of second voltage.
From above-mentioned Fig. 2 F, the setting circuit that can include in the voltage-regulating circuit in terminal, and the setting circuit
Can receive the corresponding relation between the screen flash value and voltage of user's setting, and by set circuit by the screen flash value and voltage it
Between corresponding relation send to control circuit, the corresponding relation between the screen flash value and voltage is stored by control circuit.
Therefore, after the terminal determines screen flash value by controlling circuit based on maximum first voltage and minimum first voltage, Ke Yigen
According to the screen flash value, in the corresponding relation between screen flash value and voltage, corresponding second voltage is obtained.
Such as, the screen flash value that terminal is determined is 66.7%, then terminal can be between the screen flash value and voltage shown in table 1
In corresponding relation, it is 12V to determine the corresponding second voltage of screen flash value 66.7%.
Table 1
| Screen flash value | Voltage |
| 5% | 12V |
| 10% | 15V |
| 20% | 5V |
| ...... | ...... |
| 66.7% | 12V |
| ...... | ...... |
It should be noted that in embodiments of the present invention, only with the corresponding relation between the screen flash value and voltage shown in table 1
Exemplified by illustrate, to the embodiment of the present invention constitute limit.
In addition, in embodiments of the present invention, terminal often determines a second voltage, it is possible to by the second voltage send to
Liquid crystal display panel, second voltage is adjusted to by the common electric voltage of liquid crystal display panel.
What deserves to be explained is, because N is determined by the digit of the register of liquid crystal display panel, therefore, to liquid crystal
Display panel is carried out before screen flash adjustment, can first set the digit of the register of liquid crystal display panel.
It can be included setting circuit from the voltage-regulating circuit in above-mentioned Fig. 2 F, terminal, therefore, terminal can pass through
Set circuit that the digit of the register of liquid crystal display panel is set, and by setting circuit posting the liquid crystal display panel of setting
The digit of storage is sent to control circuit, by controlling circuit to be stored the digit of the register of the liquid crystal display panel.
Step 304：Terminal is based on N number of second voltage, and the common electric voltage of liquid crystal display panel is adjusted.
Wherein, terminal is based on N number of second voltage, and the operation that the common electric voltage of liquid crystal display panel is adjusted can be wrapped
Include following steps.
Step A, terminal generates screen flash change curve by N number of second voltage and the corresponding screen flash value of each second voltage.
Wherein, the terminal can be using second voltage as transverse axis, and screen flash value is the longitudinal axis, sets up plane right-angle coordinate, and really
Fixed each screen flash value and corresponding second voltage corresponding position in plane right-angle coordinate, then with a smooth curve
The plurality of position is attached, screen flash change curve is obtained.
Such as, the terminal can be using second voltage as transverse axis, and screen flash value is the longitudinal axis, sets up plane right-angle coordinate, and work as
Screen flash value is respectively 30%, 20%, 10%, 5% and 35%, and corresponding second voltage is respectively 3V (volt), 5V, 10V, 12V
It is corresponding in plane right-angle coordinate referring to Fig. 3 B, the terminal each screen flash value determined and corresponding second voltage during with 15V
Position can be respectively (3V, 30%), (5V, 20%), (10V, 10%), (12V, 5%) and (15V, 35%), then with one
The plurality of position is carried out line by smooth curve, obtains screen flash change curve.
In addition, in embodiments of the present invention, the mode that terminal sets up plane right-angle coordinate can not only include above-mentioned side
Formula, can also include other modes, such as, and the terminal can also be using screen flash value as transverse axis, and second voltage is that the longitudinal axis sets up plane
Rectangular coordinate system.
Step B, terminal determines minimum second voltage from screen flash change curve.
Specifically, the screen flash change curve can be evenly dividing as X equal portions by terminal according to second voltage, X to be more than or
Positive integer equal to 1；From the corresponding screen flash value of X+1 reference voltage of the screen flash change curve, the first screen flash value is determined, should
First screen flash value is screen flash value minimum in the corresponding screen flash value of X+1 reference voltage；Based on step-length S and the first screen flash value correspondence
Second voltage, the second screen flash value and the 3rd screen flash value are determined from screen flash change curve；Wherein, S=N/X；From the first screen flash
Minimum screen flash value is determined in value, the second screen flash value and the 3rd screen flash value；When step-length S is more than or equal to default step-length, to step-length S
Reduced, and make the first screen flash value be minimum screen flash value, returned and perform based on corresponding second electricity of step-length S and the first screen flash value
Pressure, determines the operation of the second screen flash value and the 3rd screen flash value, until when step-length S is less than the default step-length, will eventually determine and obtain
The corresponding second voltage of minimum screen flash value be defined as the minimum second voltage.
Wherein, X can be set in advance, such as, and the X can be 5,6,7 etc..And the X again may be by setting circuit
It is configured.
In addition, the X+1 reference voltage can be that screen flash change curve is divided into after X equal portions, the screen flash change curve
Upper X+1 separation distinguishes corresponding second voltage.
It should be noted that the default step-length can be set in advance, such as, the default step-length can for 0.01,0.001,
0.00001 etc..Certainly default step-length can also be not provided with embodiments of the present invention, but preset times are set, by pre-
If number of times judges whether to continue to zoom out step-length S.It that is to say, terminal can be uniform according to second voltage by the screen flash change curve
X equal portions are divided into, X is the positive integer more than or equal to 1；From the corresponding screen flash of X+1 reference voltage of the screen flash change curve
In value, the first screen flash value is determined, the first screen flash value is screen flash value minimum in the corresponding screen flash value of X+1 reference voltage；Base
It is worth corresponding second voltage in step-length S and the first screen flash, the second screen flash value and the 3rd screen flash value is determined from screen flash change curve,
Wherein, S=N/X；Minimum screen flash value is determined from the first screen flash value, the second screen flash value and the 3rd screen flash value；It is determined that reducing step-length S
Number of times, when the number of times for reducing step-length S is more than or equal to preset times, step-length S is reduced, and make the first screen flash value be
Minimum screen flash value, returns and performs based on step-length S and the corresponding second voltage of the first screen flash value, determine the second screen flash value and the 3rd screen
The operation of sudden strain of a muscle value, until when step-length S is less than the default step-length, will eventually determine the obtained corresponding second voltage of minimum screen flash value
It is defined as the minimum second voltage.
Wherein, the preset times equally can be in advance by setting circuit to be configured, such as, and the preset times can be
20 times, 50 times, 100 times etc..
What deserves to be explained is, when judging whether to continue to zoom out step-length S by preset times due to terminal, due to that may set
Put improper, it is likely that can occur after the number of times for reducing S reaches preset times, step-length S is still a very big numerical value, and
The screen flash value that terminal is finally determined also than larger, causes after being adjusted to the common electric voltage of liquid crystal display panel, liquid crystal display
The display effect of panel is not still good, therefore, under normal conditions, and terminal judges whether to continue to zoom out step by default step-length
Long S, to determine minimum screen flash value.
In addition, terminal is based on step-length S and the first screen flash is worth corresponding second voltage, second is determined from screen flash change curve
The operation of screen flash value and the 3rd screen flash value can be：By the first screen flash value in the screen flash change curve corresponding second voltage with
Step-length S-phase adds, and obtains first object voltage；The corresponding screen flash value of first object voltage is obtained from the screen flash change curve, will
The screen flash value of acquisition is defined as the second screen flash value；By the first screen flash value, correspondence second voltage subtracts step in the screen flash change curve
Long S, obtains the second target voltage；The corresponding screen flash value of the second target voltage is obtained from the screen flash change curve, and will be obtained
Screen flash value be defined as the 3rd screen flash value.
Such as, when step-length is 3V, and the first screen flash is worth corresponding second voltage for 12V, terminal is by the first screen flash value at this
Corresponding 12V is added with step-length 3V in screen flash change curve, obtains first object voltage 15V；Obtained from the screen flash change curve
The corresponding screen flash value positions 35% of first object voltage 15V are taken, the screen flash value 10% of acquisition is defined as the second screen flash value；By first
Screen flash value correspondence second voltage 12V in the screen flash change curve subtracts step-length 3V, obtains the second target voltage 9V；From the screen flash
It is 9% that the corresponding screen flash values of the second target voltage 9V are obtained in change curve, and the screen flash value 9% of acquisition is defined as into the 3rd screen
Sudden strain of a muscle value.
The common electric voltage of the liquid crystal display panel is adjusted to minimum second voltage by step C, terminal, to complete to the liquid crystal
The common electric voltage adjustment of display panel.
What deserves to be explained is, because screen flash value is smaller, illustrate that the common electric voltage of liquid crystal display panel is not obvious, therefore,
It is worth the common electric voltage of corresponding second voltage adjustable liquid crystal display display panel by minimum screen flash, can going out liquid crystal display panel
Optimal display result is reached during factory.
Wherein, due to that can include phase adjusting circuit in terminal, phase adjusting circuit can include D/A converting circuit
And minimum second voltage by D/A converting circuit can be carried out digital-to-analogue conversion by voltage amplifier circuit, therefore, terminal；Will conversion
Minimum second voltage afterwards is amplified by voltage amplifier circuit；Minimum second voltage after amplification is sent to liquid crystal display
Panel, the minimum second voltage after amplification is adjusted to by the common electric voltage of liquid crystal display panel.
In addition, when liquid crystal display panel does not allow analog signal to input number, the terminal can be with obstructed extra pulse adjustment circuit
The minimum second voltage of output, but minimum second voltage is directly exported by the I2C buses between liquid crystal display panel.
In embodiments of the present invention, terminal is detected by the brightness repeatedly to liquid crystal display panel, obtains multiple
One voltage, and can determine second voltage according to multiple first voltages.In order that liquid crystal display panel is by common electric voltage
Adjustment after, display effect is optimal, and terminal, can also be according to N number of second voltage, it is determined that minimum after N number of second voltage is obtained
Screen flash is worth corresponding second voltage.Because screen flash value is smaller, illustrates that the screen flash of liquid crystal display panel is not obvious, therefore, pass through
Minimum screen flash is worth the common electric voltage of corresponding second voltage adjustable liquid crystal display display panel, not only can go out liquid crystal display panel
Optimal display result is reached during factory, simultaneously, it is to avoid be manually repeatedly adjusted, so as to improve the public affairs to liquid crystal display panel
The accuracy and efficiency that common voltage is adjusted.In addition, in embodiments of the present invention, without passing through the color analysis instruments such as CA210
Participation so that reduce adjustment liquid crystal display panel common electric voltage cost.
Fig. 4 A are a kind of block diagram of the common electric voltage adjusting apparatus of liquid crystal display panel provided in an embodiment of the present invention, referring to
Fig. 4 A, the device being implemented in combination with by software, hardware or both.The device includes：Modular converter 401, first is determined
Module 402, the second determining module 403 and adjusting module 404.
Modular converter 401, for carrying out repeated detection to the brightness of liquid crystal display panel, and will be detected multiple bright
Angle value is respectively converted into multiple first voltages；
First determining module 402, for based on multiple first voltages, determining screen flash value；
Second determining module 403, in the corresponding relation between the screen flash value and voltage of storage, it is determined that with the screen flash
It is worth corresponding second voltage, and the brightness returned to liquid crystal display panel carries out the operation of repeated detection, until obtaining N number of second
Voltage, N is that the digit of the register based on the liquid crystal display panel determines to obtain；
Adjusting module 404, for based on N number of second voltage, being adjusted to the common electric voltage of the liquid crystal display panel.
Alternatively, referring to Fig. 4 B, first determining module 402 includes：
First determination sub-module 4021, for determining maximum first voltage and minimum first from the multiple first voltage
Voltage；
Second determination sub-module 4022, for based on maximum first voltage and minimum first voltage, determining screen flash value.
Alternatively, the second determination sub-module 4022 is used for：
Based on maximum first voltage and minimum first voltage, the screen flash value is determined by equation below：
Wherein, Flicker is the screen flash value, VmaxFor maximum first voltage, VminFor minimum first voltage.
Alternatively, referring to Fig. 4 C, the adjusting module 404 includes：
Submodule 4041 is generated, for generating screen flash by N number of second voltage and the corresponding screen flash value of each second voltage
Change curve；
3rd determination sub-module 4042, for determining minimum second voltage from the screen flash change curve；
Submodule 4043 is adjusted, for the common electric voltage of the liquid crystal display panel to be adjusted into minimum second voltage, with
Complete to adjust the common electric voltage of the liquid crystal display panel.
Alternatively, the 3rd determination sub-module 4042 is used for：
By the screen flash change curve, it is evenly dividing according to second voltage as X equal portions, X is just whole more than or equal to 1
Number；
From the corresponding screen flash value of X+1 reference voltage of the screen flash change curve, the first screen flash value, the first screen are determined
Sudden strain of a muscle value is screen flash value minimum in the corresponding screen flash value of X+1 reference voltage；
Corresponding second voltage is worth based on step-length S and the first screen flash, the second screen flash is determined from the screen flash change curve
Value and the 3rd screen flash value；Wherein, S=N/X；
Minimum screen flash value is determined from the first screen flash value, the second screen flash value and the 3rd screen flash value；
When step-length S is more than or equal to default step-length, step-length S is reduced, and makes the first screen flash value be minimum screen flash
Value, returns and performs based on step-length S and the corresponding second voltage of the first screen flash value, determine the behaviour of the second screen flash value and the 3rd screen flash value
Make, until when step-length S is less than the default step-length, will eventually determine that the obtained corresponding second voltage of minimum screen flash value is defined as
The minimum second voltage.
Alternatively, the 3rd determination sub-module 4042 is additionally operable to：
By the first screen flash value, corresponding second voltage adds with the step-length S-phase in the screen flash change curve, obtains
One target voltage；
The corresponding screen flash value of first object voltage is obtained from the screen flash change curve, the screen flash value of acquisition is defined as
Second screen flash value；
By the first screen flash value, correspondence second voltage subtracts step-length S in the screen flash change curve, obtains the second target electricity
Pressure；
The corresponding screen flash value of the second target voltage is obtained from the screen flash change curve, and the screen flash value of acquisition is determined
For the 3rd screen flash value.
Alternatively, the adjustment submodule 4043 is used for：
The minimum second voltage is subjected to digital-to-analogue conversion；
The minimum second voltage after conversion is amplified；
The minimum second voltage after amplification is sent to the liquid crystal display panel, by the liquid crystal display panel
Common electric voltage be adjusted to amplification after the minimum second voltage.
In summary, in embodiments of the present invention, terminal is detected by the brightness repeatedly to liquid crystal display panel, is obtained
Second voltage can be determined to multiple first voltages, and according to multiple first voltages.In order that liquid crystal display panel is by public
After the adjustment of common voltage, display effect is optimal, and terminal, can also be according to N number of second voltage, really after N number of second voltage is obtained
Fixed minimum screen flash is worth corresponding second voltage.Because screen flash value is smaller, illustrate that the screen flash of liquid crystal display panel is not obvious, because
This, the common electric voltage of corresponding second voltage adjustable liquid crystal display display panel is worth by minimum screen flash, can not only make liquid crystal display
Panel reaches optimal display result when dispatching from the factory, simultaneously, it is to avoid be manually repeatedly adjusted, so as to improve LCD
The accuracy and efficiency of the common electric voltage adjustment of plate.In addition, in embodiments of the present invention, without passing through the color analysis such as CA210
The participation of instrument, so as to reduce the cost of the common electric voltage of adjustment liquid crystal display panel.
Fig. 5 is a kind of block diagram of terminal 500 according to an exemplary embodiment.For example, terminal 500 can be mobile
Phone, computer, digital broadcast terminal, messaging devices, game console, tablet device, Medical Devices, body-building equipment,
Personal digital assistant etc..
Reference picture 5, terminal 500 can include following one or more assemblies：Processing assembly 502, memory 504, power supply
Component 506, multimedia groupware 508, audio-frequency assembly 510, the interface 512 of input/output (I/O), sensor cluster 514, and
Communication component 516.
The integrated operation of the usual control terminal 500 of processing assembly 502, such as with display, call, data communication, phase
Machine operates the operation associated with record operation.Processing assembly 502 can refer to including one or more processors 520 to perform
Order, to complete all or part of step of above-mentioned method.In addition, processing assembly 502 can include one or more modules, just
Interaction between processing assembly 502 and other assemblies.For example, processing assembly 502 can include multi-media module, it is many to facilitate
Interaction between media component 508 and processing assembly 502.
Memory 504 is configured as storing various types of data supporting the operation in terminal 500.These data are shown
Example includes the instruction of any application program or method for being operated in terminal 500, and contact data, telephone book data disappears
Breath, picture, video etc..Memory 504 can be by any kind of volatibility or non-volatile memory device or their group
Close and realize, such as static RAM (SRAM), Electrically Erasable Read Only Memory (EEPROM) is erasable to compile
Journey read-only storage (EPROM), programmable read only memory (PROM), read-only storage (ROM), magnetic memory, flash
Device, disk or CD.
Power supply module 506 provides power supply for the various assemblies of terminal 500.Power supply module 506 can include power management system
System, one or more power supplys, and other components associated with generating, managing and distributing power supply for terminal 500.
Multimedia groupware 508 is included in the screen of one output interface of offer between the terminal 500 and user.One
In a little embodiments, screen can include liquid crystal display (LCD) and touch panel (TP).If screen includes touch panel, screen
Curtain may be implemented as touch-screen, to receive the input signal from user.Touch panel includes one or more touch sensings
Device is with the gesture on sensing touch, slip and touch panel.The touch sensor can not only sensing touch or sliding action
Border, but also detection touches or slide related duration and pressure with described.In certain embodiments, many matchmakers
Body component 508 includes a front camera and/or rear camera.When terminal 500 be in operator scheme, such as screening-mode or
During video mode, front camera and/or rear camera can receive the multi-medium data of outside.Each front camera and
Rear camera can be a fixed optical lens system or with focusing and optical zoom capabilities.
Audio-frequency assembly 510 is configured as output and/or input audio signal.For example, audio-frequency assembly 510 includes a Mike
Wind (MIC), when terminal 500 be in operator scheme, when such as call model, logging mode and speech recognition mode, microphone by with
It is set to reception external audio signal.The audio signal received can be further stored in memory 504 or via communication set
Part 516 is sent.In certain embodiments, audio-frequency assembly 510 also includes a loudspeaker, for exports audio signal.
I/O interfaces 512 is provide interface between processing assembly 502 and peripheral interface module, above-mentioned peripheral interface module can
To be keyboard, click wheel, button etc..These buttons may include but be not limited to：Home button, volume button, start button and lock
Determine button.
Sensor cluster 514 includes one or more sensors, and the state for providing various aspects for terminal 500 is commented
Estimate.For example, sensor cluster 514 can detect opening/closed mode of terminal 500, the relative positioning of component is for example described
Component is the display and keypad of terminal 500, and sensor cluster 514 can also detect 500 1 components of terminal 500 or terminal
Position change, the existence or non-existence that user contacts with terminal 500, the orientation of terminal 500 or acceleration/deceleration and terminal 500
Temperature change.Sensor cluster 514 can include proximity transducer, be configured to detect in not any physical contact
The presence of neighbouring object.Sensor cluster 514 can also include optical sensor, such as CMOS or ccd image sensor, for into
As being used in application.In certain embodiments, the sensor cluster 514 can also include acceleration transducer, gyro sensors
Device, Magnetic Sensor, pressure sensor or temperature sensor.
Communication component 516 is configured to facilitate the communication of wired or wireless way between terminal 500 and other equipment.Terminal
500 can access the wireless network based on communication standard, such as WiFi, 2G or 3G, or combinations thereof.In an exemplary implementation
In example, communication component 516 receives broadcast singal or broadcast related information from external broadcasting management system via broadcast channel.
In one exemplary embodiment, the communication component 516 also includes near-field communication (NFC) module, to promote junction service.Example
Such as, NFC module can be based on radio frequency identification (RFID) technology, Infrared Data Association (IrDA) technology, ultra wide band (UWB) technology,
Bluetooth (BT) technology and other technologies are realized.
In the exemplary embodiment, terminal 500 can be believed by one or more application specific integrated circuits (ASIC), numeral
Number processor (DSP), digital signal processing appts (DSPD), PLD (PLD), field programmable gate array
(FPGA), controller, microcontroller, microprocessor or other electronic components are realized, for performing above-mentioned Fig. 3 A illustrated embodiments
The method of offer.
In the exemplary embodiment, a kind of non-transitorycomputer readable storage medium including instructing, example are additionally provided
Such as include the memory 504 of instruction, above-mentioned instruction can be performed to complete the above method by the processor 520 of terminal 500.For example,
The non-transitorycomputer readable storage medium can be ROM, random access memory (RAM), CD-ROM, tape, floppy disk
With optical data storage devices etc..
A kind of non-transitorycomputer readable storage medium, when the instruction in the storage medium is held by the processor of terminal
During row so that terminal is able to carry out the method that above-mentioned Fig. 3 A illustrated embodiments are provided.
It should be noted that：The common electric voltage adjusting apparatus for the liquid crystal display panel that above-described embodiment is provided is carrying out liquid crystal
, can be with only with the division progress of above-mentioned each functional module for example, in practical application during the common electric voltage adjustment of display panel
Distribute and completed by different functional modules as needed and by above-mentioned functions, i.e., the internal structure of device is divided into different work(
Energy module, to complete all or part of function described above.In addition, the public affairs for the liquid crystal display panel that above-described embodiment is provided
Common voltage adjusting apparatus and the method for adjusting common voltage embodiment of liquid crystal display panel belong to same design, and it was implemented
Journey refers to embodiment of the method, repeats no more here.
One of ordinary skill in the art will appreciate that realizing that all or part of step of above-described embodiment can be by hardware
To complete, the hardware of correlation can also be instructed to complete by program, described program can be stored in a kind of computer-readable
In storage medium, storage medium mentioned above can be read-only storage, disk or CD etc..
The foregoing is only presently preferred embodiments of the present invention, be not intended to limit the invention, it is all the present invention spirit and
Within principle, any modification, equivalent substitution and improvements made etc. should be included in the scope of the protection.
Claims (10)
1. a kind of method of adjustment of common electric voltage of LCD panel, it is characterised in that methods described includes：
Carry out repeated detection to the brightness of liquid crystal display panel, and detected multiple brightness values are respectively converted into multiple the
One voltage；
Based on the multiple first voltage, screen flash value is determined；In corresponding relation between the screen flash value and voltage of storage, it is determined that
With the corresponding second voltage of screen flash value, and the operation that repeated detection is carried out to the brightness of liquid crystal display panel is returned to, until
N number of second voltage is obtained, the N is that the digit of the register based on the liquid crystal display panel determines to obtain；
Based on N number of second voltage, the common electric voltage of the liquid crystal display panel is adjusted.
2. the method as described in claim 1, it is characterised in that described to be based on the multiple first voltage, determines screen flash value, wrap
Include：
Maximum first voltage and minimum first voltage are determined from the multiple first voltage；
Based on the maximum first voltage and the minimum first voltage, the screen flash value is determined.
3. method as claimed in claim 2, it is characterised in that described to be based on the maximum first voltage and described minimum first
Voltage, determines the screen flash value, including：
Based on the maximum first voltage and the minimum first voltage, the screen flash value is determined by equation below：
Wherein, the Flicker is the screen flash value, the VmaxFor the maximum first voltage, the VminFor the minimum
First voltage.
4. method as claimed in claim 2, it is characterised in that described to be based on N number of second voltage, to the liquid crystal display
The common electric voltage of panel is adjusted, including：
Screen flash change curve is generated by N number of second voltage and the corresponding screen flash value of each second voltage；
Minimum second voltage is determined from the screen flash change curve；
The common electric voltage of the liquid crystal display panel is adjusted to the minimum second voltage, to complete to the LCD
The common electric voltage adjustment of plate.
5. method as claimed in claim 4, it is characterised in that described that the electricity of minimum second is determined from the screen flash change curve
Pressure, including：
By the screen flash change curve, it is evenly dividing according to second voltage as X equal portions, the X is just whole more than or equal to 1
Number；
From the corresponding screen flash value of X+1 reference voltage of the screen flash change curve, the first screen flash value, first screen are determined
Sudden strain of a muscle value is screen flash value minimum in the corresponding screen flash value of the X+1 reference voltage；
Corresponding second voltage is worth based on step-length S and first screen flash, the second screen flash is determined from the screen flash change curve
Value and the 3rd screen flash value；Wherein, S=N/X；
Minimum screen flash value is determined from the first screen flash value, the second screen flash value and the 3rd screen flash value；
When the step-length S is more than or equal to default step-length, the step-length S is reduced, and makes the first screen flash value be
The minimum screen flash value, returns and performs based on step-length S and the corresponding second voltage of first screen flash value, determine the second screen flash value
With the operation of the 3rd screen flash value, when the step-length S is less than the default step-length, obtained minimum screen flash value will eventually determine
Corresponding second voltage is defined as the minimum second voltage.
6. method as claimed in claim 5, it is characterised in that described based on step-length S and first screen flash value corresponding the
Two voltages, determine the second screen flash value and the 3rd screen flash value from the screen flash change curve, including：
By the first screen flash value, corresponding second voltage adds with the step-length S-phase in the screen flash change curve, obtains
One target voltage；
The corresponding screen flash value of the first object voltage is obtained from the screen flash change curve, the screen flash value of acquisition is defined as
The second screen flash value；
By the first screen flash value, correspondence second voltage subtracts the step-length S in the screen flash change curve, obtains the second mesh
Mark voltage；
The corresponding screen flash value of second target voltage is obtained from the screen flash change curve, and the screen flash value of acquisition is determined
For the 3rd screen flash value.
7. method as claimed in claim 4, it is characterised in that the common electric voltage by the liquid crystal display panel is adjusted to
The minimum second voltage, including：
The minimum second voltage is subjected to digital-to-analogue conversion；
The minimum second voltage after conversion is amplified；
The minimum second voltage after amplification is sent to the liquid crystal display panel, by the public affairs of the liquid crystal display panel
Common voltage is adjusted to the minimum second voltage after amplification.
8. the common electric voltage adjusting apparatus of a kind of liquid crystal display panel, it is characterised in that described device includes：
Modular converter, carries out repeated detection, and detected multiple brightness values are divided for the brightness to liquid crystal display panel
Multiple first voltages are not converted to；
First determining module, for based on the multiple first voltage, determining screen flash value；
Second determining module, in the corresponding relation between the screen flash value and voltage of storage, it is determined that with the screen flash value pair
The second voltage answered, and the brightness returned to liquid crystal display panel carries out the operation of repeated detection, until obtaining N number of second electricity
Pressure, the N is that the digit of the register based on the liquid crystal display panel determines to obtain；
Adjusting module, for based on N number of second voltage, being adjusted to the common electric voltage of the liquid crystal display panel.
9. device as claimed in claim 8, it is characterised in that first determining module includes：
First determination sub-module, for determining maximum first voltage and minimum first voltage from the multiple first voltage；
Second determination sub-module, for based on the maximum first voltage and the minimum first voltage, determining the screen flash value.
10. device as claimed in claim 9, it is characterised in that second determination sub-module is used for：
Based on the maximum first voltage and the minimum first voltage, the screen flash value is determined by equation below：
Wherein, the Flicker is the screen flash value, the VmaxFor the maximum first voltage, the VminFor the minimum
First voltage.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710389029.7A CN106991989B (en) | 2017-05-26 | 2017-05-26 | A kind of method of adjustment and device of common electric voltage of LCD panel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710389029.7A CN106991989B (en) | 2017-05-26 | 2017-05-26 | A kind of method of adjustment and device of common electric voltage of LCD panel |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106991989A true CN106991989A (en) | 2017-07-28 |
| CN106991989B CN106991989B (en) | 2019-09-20 |
Family
ID=59419896
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710389029.7A Active CN106991989B (en) | 2017-05-26 | 2017-05-26 | A kind of method of adjustment and device of common electric voltage of LCD panel |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106991989B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108182922A (en) * | 2018-01-09 | 2018-06-19 | 昆山龙腾光电有限公司 | Common voltage regulating device, adjusting method and liquid crystal display device |
| CN112233608A (en) * | 2020-10-09 | 2021-01-15 | 深圳市洲明科技股份有限公司 | Display screen adjusting method, terminal and storage medium |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08105816A (en) * | 1994-10-07 | 1996-04-23 | Matsushita Electric Ind Co Ltd | Performance evaluation method for active matrix liquid crystal display device |
| CN1801305A (en) * | 2005-01-04 | 2006-07-12 | 三星电子株式会社 | Liquid crystal display, and method and system for automatically adjusting flicker of the same |
| CN101221303A (en) * | 2007-01-09 | 2008-07-16 | 奇景光电股份有限公司 | Common voltage adjustment system and method thereof |
| US8436632B2 (en) * | 2008-06-27 | 2013-05-07 | American Panel Corporation | System and method for optimizing LCD displays |
| CN103592786A (en) * | 2013-11-08 | 2014-02-19 | 武汉精立电子技术有限公司 | Auto-Flicker automatic tuning method for liquid crystal module |
| CN104181719A (en) * | 2014-09-17 | 2014-12-03 | 深圳市华星光电技术有限公司 | Method for adjusting flicker degree of liquid crystal panels |
| CN105355185A (en) * | 2015-12-14 | 2016-02-24 | 厦门天马微电子有限公司 | Driving circuit of display panel, display device and driving method thereof |
-
2017
- 2017-05-26 CN CN201710389029.7A patent/CN106991989B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08105816A (en) * | 1994-10-07 | 1996-04-23 | Matsushita Electric Ind Co Ltd | Performance evaluation method for active matrix liquid crystal display device |
| CN1801305A (en) * | 2005-01-04 | 2006-07-12 | 三星电子株式会社 | Liquid crystal display, and method and system for automatically adjusting flicker of the same |
| CN101221303A (en) * | 2007-01-09 | 2008-07-16 | 奇景光电股份有限公司 | Common voltage adjustment system and method thereof |
| US8436632B2 (en) * | 2008-06-27 | 2013-05-07 | American Panel Corporation | System and method for optimizing LCD displays |
| CN103592786A (en) * | 2013-11-08 | 2014-02-19 | 武汉精立电子技术有限公司 | Auto-Flicker automatic tuning method for liquid crystal module |
| CN104181719A (en) * | 2014-09-17 | 2014-12-03 | 深圳市华星光电技术有限公司 | Method for adjusting flicker degree of liquid crystal panels |
| CN105355185A (en) * | 2015-12-14 | 2016-02-24 | 厦门天马微电子有限公司 | Driving circuit of display panel, display device and driving method thereof |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108182922A (en) * | 2018-01-09 | 2018-06-19 | 昆山龙腾光电有限公司 | Common voltage regulating device, adjusting method and liquid crystal display device |
| CN108182922B (en) * | 2018-01-09 | 2020-08-04 | 昆山龙腾光电股份有限公司 | Common voltage adjusting device, adjusting method and liquid crystal display device |
| CN112233608A (en) * | 2020-10-09 | 2021-01-15 | 深圳市洲明科技股份有限公司 | Display screen adjusting method, terminal and storage medium |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106991989B (en) | 2019-09-20 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105225647A (en) | Luminance regulating method and device | |
| CN106791921A (en) | The processing method and processing device of net cast | |
| CN104464674B (en) | Liquid crystal display method of adjustment and device | |
| WO2021169850A1 (en) | Working current self-checking circuit and method, and electronic device | |
| CN106413070B (en) | A kind of power regulating method, mobile terminal and computer readable storage medium | |
| CN107105517A (en) | Method for connecting network and device | |
| CN106775403A (en) | Obtain the method and device of interim card information | |
| CN109308861A (en) | Color calibration method, device, equipment and storage medium | |
| CN106991989A (en) | The method of adjustment and device of a kind of common electric voltage of LCD panel | |
| CN107808626B (en) | Method and device for adjusting color temperature of display screen and computer readable storage medium | |
| CN107678934A (en) | Interim card index selection method and device | |
| CN107452399A (en) | Audio feature extraction methods and device | |
| CN108834013A (en) | A kind of wearable device electric quantity balancing method and Related product | |
| CN104967174B (en) | Charge control method and device | |
| CN106502623A (en) | Audio output device and method | |
| CN104951203A (en) | Device control method and device and electronic device | |
| CN107566950A (en) | Acoustic signal processing method and device | |
| CN105653027B (en) | Page zoom-in and zoom-out method and device | |
| CN106255004A (en) | Sound method of adjustment, earphone and audiogenic device | |
| CN109186657A (en) | Proximity sensor parameter calibrating method, device, terminal device and storage medium | |
| EP3828716A1 (en) | Method and apparatus for identifying electronic device, terminal device, and electronic device | |
| CN112710893B (en) | Electronic device and bottom current testing device | |
| CN104635651A (en) | Multifunctional programming demonstration box | |
| CN112986879B (en) | Fuel gauge correction method and device, electronic equipment and storage medium | |
| CN107526471A (en) | Touch-screen control method, device and storage medium |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 266555 Qingdao economic and Technological Development Zone, Shandong, Hong Kong Road, No. 218 Patentee after: Hisense Visual Technology Co., Ltd. Address before: 266555 Qingdao economic and Technological Development Zone, Shandong, Hong Kong Road, No. 218 Patentee before: QINGDAO HISENSE ELECTRONICS Co.,Ltd. |
|
| CP01 | Change in the name or title of a patent holder |