CN109616062A - A kind of liquid crystal display panel pixel charging method and terminal - Google Patents
A kind of liquid crystal display panel pixel charging method and terminal Download PDFInfo
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- CN109616062A CN109616062A CN201811635085.5A CN201811635085A CN109616062A CN 109616062 A CN109616062 A CN 109616062A CN 201811635085 A CN201811635085 A CN 201811635085A CN 109616062 A CN109616062 A CN 109616062A
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
- G09G3/20—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
- G09G3/34—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
- G09G3/3611—Control of matrices with row and column drivers
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- Crystallography & Structural Chemistry (AREA)
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- Liquid Crystal Display Device Control (AREA)
- Control Of Indicators Other Than Cathode Ray Tubes (AREA)
Abstract
Provided by the invention kind of liquid crystal display panel pixel charging method and terminal comprising: S1: the pixel for judging that the pixel of the i-th row gate driving line driving drives relative to the (i-1)-th row gate driving line whether there is heavy duty；The initial value of the i is 2；S2: it if so, increasing the maximum voltage of default rectangular pulse, and is charged by the pixel that the rectangular pulse after increase voltage drives the i-th row gate driving line；If it is not, then being charged by the pixel that the default rectangular pulse signal drives the i-th row gate driving line；S3: judging whether i+1 is greater than N, if so, enabling i=1, i-1=N, repeats S1-S2；Otherwise, i=i+1 is enabled, S1-S2 is repeated；Wherein, the N is the total quantity of gate driving line.The present invention solves pixel because of charging time problem that is short, and causing the display image quality of liquid crystal display panel not good enough.
Description
Technical field
The present invention relates to liquid panel technique field more particularly to a kind of liquid crystal display panel pixel charging methods and terminal.
Background technique
With the development of display technology, demand of the people to resolution ratio is continuously improved, with regard to smart phone and plate application
For upper, can be found everywhere from HD to FHD, then to the resolution ratio of WQXGA, from market orientation for, high-resolution is meant that
High-end high price.But due to the difference of making technology technology, the resolution ratio of FHD or more is one huge to a-Si panel
Big challenge, and with the popularization shielded comprehensively, narrow frame is also a challenge, and then Dual Gate framework panel comes into being.
Dual Gate panel compares general panels, and double by Gate line, Source line halves, Lai Shixian high-resolution and lower frame
Narrow, but it has that liquid crystal display panel shows that image quality is bad.
Summary of the invention
The technical problems to be solved by the present invention are: the present invention provides a kind of liquid crystal display panel pixel charging method and ends
End improves the quality that liquid crystal display panel shows picture.
In order to solve the above-mentioned technical problems, the present invention provides a kind of liquid crystal display panel pixel charging methods, including following step
It is rapid:
S1: judge whether is pixel that the pixel of the i-th row gate driving line driving drives relative to the (i-1)-th row gate driving line
There are heavy duties；The initial value of the i is 2；
S2: if so, increasing the maximum voltage of default rectangular pulse, and by the rectangular pulse after increase voltage to i-th
The pixel of row gate driving line driving charges；If it is not, then by the default rectangular pulse signal to the i-th row gate driving
The pixel of line driving charges；
S3: judging whether i+1 is greater than N, if so, enabling i=1, i-1=N, repeats S1-S2；Otherwise, i=i+1 is enabled,
Repeat S1-S2；Wherein, the N is the total quantity of gate driving line, and the i and N are positive integer.
The present invention also provides a kind of liquid crystal display panel pixel charging terminal, including memory, processor and it is stored in storage
On device and the computer program that can run on a processor, the processor realize following step when executing the computer program
It is rapid:
S1: judge whether is pixel that the pixel of the i-th row gate driving line driving drives relative to the (i-1)-th row gate driving line
There are heavy duties；The initial value of the i is 2；
S2: if so, increasing the maximum voltage of default rectangular pulse, and by the rectangular pulse after increase voltage to i-th
The pixel of row gate driving line driving charges；If it is not, then by the default rectangular pulse signal to the i-th row gate driving
The pixel of line driving charges；
S3: judging whether i+1 is greater than N, if so, enabling i=1, i-1=N, repeats S1-S2；Otherwise, i=i+1 is enabled,
Repeat S1-S2；Wherein, the N is the total quantity of gate driving line, and the i and N are positive integer.
The invention has the benefit that
A kind of liquid crystal display panel pixel charging method and terminal provided by the invention, what is driven to the i-th row gate driving line
Before pixel charging, the pixel for needing to judge that it drives relative to the (i-1)-th row gate driving line whether there is heavy duty, then increase if it exists
The maximum voltage of big default rectangular pulse, and the picture that the i-th row gate driving line is driven by the rectangular pulse after increase voltage
Element charges, to solve since the Gate (gate driving line) of Dual Gate (bigrid) panel is double and Source (source electrode
Driving line) halve, cause under equal resolution, the charging time of pixel halves, will on certain pictures, such as heavily loaded picture
There is the case where pixel undercharge, to improve the quality of the display picture of liquid crystal display panel.
Detailed description of the invention
Fig. 1 is the key step schematic diagram according to a kind of liquid crystal display panel pixel charging method of the embodiment of the present invention；
Fig. 2 is the structural schematic diagram according to a kind of liquid crystal display panel pixel charging terminal of the embodiment of the present invention；
Label declaration:
1, memory；2, processor.
Specific embodiment
To explain the technical content, the achieved purpose and the effect of the present invention in detail, below in conjunction with embodiment and cooperate attached
Figure is explained in detail.
The design of most critical of the present invention are as follows: judge that the pixel of the i-th row gate driving line driving is driven relative to the (i-1)-th row grid
The pixel of moving-wire driving is with the presence or absence of heavy duty；If so, increase the maximum voltage of default rectangular pulse, and by increasing voltage after
Rectangular pulse pixel that the i-th row gate driving line is driven charge.
Fig. 1 is please referred to, the present invention provides a kind of liquid crystal display panel pixel charging methods, comprising the following steps:
S1: judge whether is pixel that the pixel of the i-th row gate driving line driving drives relative to the (i-1)-th row gate driving line
There are heavy duties；The initial value of the i is 2；
S2: if so, increasing the maximum voltage of default rectangular pulse, and by the rectangular pulse after increase voltage to i-th
The pixel of row gate driving line driving charges；If it is not, then by the default rectangular pulse signal to the i-th row gate driving
The pixel of line driving charges；
S3: judging whether i+1 is greater than N, if so, enabling i=1, i-1=N, repeats S1-S2；Otherwise, i=i+1 is enabled,
Repeat S1-S2；Wherein, the N is the total quantity of gate driving line, and the i and N are positive integer.
As can be seen from the above description, a kind of liquid crystal display panel pixel charging method provided by the invention, to the i-th row gate driving
Before the pixel charging of line driving, the pixel for needing to judge that it drives relative to the (i-1)-th row gate driving line whether there is heavy duty, if
In the presence of the maximum voltage for then increasing default rectangular pulse, and by the rectangular pulse after increase voltage to the i-th row gate driving line
The pixel of driving charges, with solve due to the Gate (gate driving line) of Dual Gate (bigrid) panel it is double and
Source (source drive line) halves, and causes under equal resolution, and the charging time of pixel halves, in certain pictures, such as it is heavy
The case where just will appear pixel undercharge on picture is carried, to improve the quality of the display picture of liquid crystal display panel.
The explanation of above-mentioned heavy duty picture: weight (zhong) carries picture, is generally understood as, is the display of a certain picture, for face
The driving of plate will cause bigger load.On panel, when driving a certain pixel, (source electrode drives corresponding whole Source line
Moving-wire) pixel will be supplemented needed for voltage；If voltage needed for its next stage pixel differs larger therewith, IC is driven
Corresponding voltage will be supplemented to this Source line, difference is bigger, for driving IC, loads higher.
Further, a kind of liquid crystal display panel pixel charging method, further includes:
S4: whether real-time judge receives the instruction for terminating display liquid crystal display panel picture, if so, terminating to execute above-mentioned step
Suddenly.
Wherein, the S4 and step S1-S3 is performed simultaneously, as long as receiving the finger for terminating display liquid crystal display panel picture
It enables, i.e., stops executing above-mentioned steps at once.
Further, the S1 specifically:
According to the pixel of the pixel of the i-th row gate driving line driving and the driving of the (i-1)-th row gate driving line, judge same
Whether charging voltage required for the two neighboring pixel of column is unequal.
Wherein, judge whether it is heavy duty here, judgement be 2 pixels voltage difference, not necessarily the pixel of next line is just
It is bigger than lastrow voltage.What is considered is to drive IC to the degree difference of Source line charge electricity.
Further, increase the maximum voltage of default rectangular pulse specifically:
The maximum voltage of default rectangular pulse is VGH, and minimum big voltage is VGL；Rectangle pulse persistance is defeated in a cycle
The time of maximum voltage is T out；
The voltage of rectangular pulse is enabled to be increased to predeterminated voltage VGH_ from VGL at rectangular pulse rising edge corresponding time point
OD, and the duration aT of the VGH_OD, a is made to be predetermined coefficient, the VGH_OD is greater than VGH.
As can be seen from the above description, can be improved the voltage of rectangular pulse by the above method, being conducive to have pixel
Effect charging, avoids pixel because the charging time is too short, the problem for causing the image quality of display poor.
Further, before the S1 further include:
S0: it is charged by presetting the pixel that rectangular pulse signal drives the first row gate driving line.
As can be seen from the above description, when receive light screen corresponding instruction when, quickly corresponding pixel can be carried out
Charging, to improve the reaction speed that liquid crystal display panel shows picture.
Referring to figure 2., the present invention provides a kind of liquid crystal display panel pixel charging terminal, including memory 1, processor 2 and
It is stored in the computer program that can be run on memory 1 and on processor 2, the processor 2 executes the computer program
When perform the steps of
S1: judge whether is pixel that the pixel of the i-th row gate driving line driving drives relative to the (i-1)-th row gate driving line
There are heavy duties；The initial value of the i is 2；
S2: if so, increasing the maximum voltage of default rectangular pulse, and by the rectangular pulse after increase voltage to i-th
The pixel of row gate driving line driving charges；If it is not, then by the default rectangular pulse signal to the i-th row gate driving
The pixel of line driving charges；
S3: judging whether i+1 is greater than N, if so, enabling i=1, i-1=N, repeats S1-S2；Otherwise, i=i+1 is enabled,
Repeat S1-S2；Wherein, the N is the total quantity of gate driving line, and the i and N are positive integer.
As can be seen from the above description, a kind of liquid crystal display panel pixel charging terminal provided by the invention, to the i-th row gate driving
Before the pixel charging of line driving, the pixel for needing to judge that it drives relative to the (i-1)-th row gate driving line whether there is heavy duty, if
In the presence of the maximum voltage for then increasing default rectangular pulse, and by the rectangular pulse after increase voltage to the i-th row gate driving line
The pixel of driving charges, with solve due to the Gate (gate driving line) of Dual Gate (bigrid) panel it is double and
Source (source drive line) halves, and causes under equal resolution, and the charging time of pixel halves, in certain pictures, such as it is heavy
The case where just will appear pixel undercharge on picture is carried, to improve the quality of the display picture of liquid crystal display panel.
Further, a kind of liquid crystal display panel pixel charging method, further includes:
S4: whether real-time judge receives the instruction for terminating display liquid crystal display panel picture, if so, terminating to execute above-mentioned step
Suddenly.
Wherein, the S4 and step S1-S3 is performed simultaneously, as long as receiving the finger for terminating display liquid crystal display panel picture
It enables, i.e., stops executing above-mentioned steps at once.
Further, the S1 specifically:
According to the pixel of the pixel of the i-th row gate driving line driving and the driving of the (i-1)-th row gate driving line, judge same
Whether charging voltage required for the two neighboring pixel of column is unequal.
Further, increase the maximum voltage of default rectangular pulse specifically:
The maximum voltage of default rectangular pulse is VGH, and minimum big voltage is VGL；Rectangle pulse persistance is defeated in a cycle
The time of maximum voltage is T out；
The voltage of rectangular pulse is enabled to be increased to predeterminated voltage VGH_ from VGL at rectangular pulse rising edge corresponding time point
OD, and the duration aT of the VGH_OD, a is made to be predetermined coefficient, the VGH_OD is greater than VGH.
As can be seen from the above description, can be improved the voltage of rectangular pulse by above-mentioned terminal, be conducive to have pixel
Effect charging, avoids pixel because the charging time is too short, the problem for causing the image quality of display poor.
Further, before the S1 further include:
S0: it is charged by presetting the pixel that rectangular pulse signal drives the first row gate driving line.
As can be seen from the above description, when receive light screen corresponding instruction when, quickly corresponding pixel can be carried out
Charging, to improve the reaction speed that liquid crystal display panel shows picture.
Please refer to Fig. 1, the embodiment of the present invention one are as follows:
The present invention provides a kind of liquid crystal display panel pixel charging methods, comprising the following steps:
S0: it is charged by presetting the pixel that rectangular pulse signal drives the first row gate driving line；
S1: judge whether is pixel that the pixel of the i-th row gate driving line driving drives relative to the (i-1)-th row gate driving line
There are heavy duties；The initial value of the i is 2；
Wherein, the S1 specifically:
According to the pixel of the pixel of the i-th row gate driving line driving and the driving of the (i-1)-th row gate driving line, judge same
Whether charging voltage required for the two neighboring pixel of column is unequal.
S2: if so, increasing the maximum voltage of default rectangular pulse, and by the rectangular pulse after increase voltage to i-th
The pixel of row gate driving line driving charges；If it is not, then by the default rectangular pulse signal to the i-th row gate driving
The pixel of line driving charges；
Wherein, increase the maximum voltage of default rectangular pulse specifically:
The maximum voltage of default rectangular pulse is VGH, and minimum big voltage is VGL；Rectangle pulse persistance is defeated in a cycle
The time of maximum voltage is T out；
The voltage of rectangular pulse is enabled to be increased to predeterminated voltage VGH_ from VGL at rectangular pulse rising edge corresponding time point
OD, and make the duration aT of the VGH_OD；The a is default first coefficient, and less than 1；The VGH_OD=b*
VGH；The b is default second coefficient, and is greater than 1.
Preferably, a is 0.2-0.6；The b is 1.2-1.5；By the combination of above-mentioned a and b so that pixel charges
Effect is best.
S3: judging whether i+1 is greater than N, if so, enabling i=1, i-1=N, repeats S1-S2；Otherwise, i=i+1 is enabled,
Repeat S1-S2；Wherein, the N is the total quantity of gate driving line, and the i and N are positive integer.
S4: whether real-time judge receives the instruction for terminating display liquid crystal display panel picture, if so, terminating to execute above-mentioned step
Suddenly.
Wherein, the S4 and step S1-S3 is performed simultaneously, as long as receiving the finger for terminating display liquid crystal display panel picture
It enables, i.e., stops executing above-mentioned steps at once.
Referring to figure 2., the embodiment of the present invention two are as follows:
The present invention provides a kind of liquid crystal display panel pixel charging terminal, including memory 1, processor 2 and it is stored in storage
On device 1 and the computer program that can run on processor 2, the processor 2 are realized following when executing the computer program
Step:
S0: it is charged by presetting the pixel that rectangular pulse signal drives the first row gate driving line；
S1: judge whether is pixel that the pixel of the i-th row gate driving line driving drives relative to the (i-1)-th row gate driving line
There are heavy duties；The initial value of the i is 2；
Wherein, the S1 specifically:
According to the pixel of the pixel of the i-th row gate driving line driving and the driving of the (i-1)-th row gate driving line, judge same
Whether charging voltage required for the two neighboring pixel of column is unequal.
S2: if so, increasing the maximum voltage of default rectangular pulse, and by the rectangular pulse after increase voltage to i-th
The pixel of row gate driving line driving charges；If it is not, then by the default rectangular pulse signal to the i-th row gate driving
The pixel of line driving charges；
Wherein, increase the maximum voltage of default rectangular pulse specifically:
The maximum voltage of default rectangular pulse is VGH, and minimum big voltage is VGL；Rectangle pulse persistance is defeated in a cycle
The time of maximum voltage is T out；
The voltage of rectangular pulse is enabled to be increased to predeterminated voltage VGH_ from VGL at rectangular pulse rising edge corresponding time point
OD, and make the duration aT of the VGH_OD；The a is default first coefficient, and less than 1；The VGH_OD=b*
VGH；The b is default second coefficient, and is greater than 1.
Preferably, a is 0.2-0.6；The b is 1.2-1.5；By the combination of above-mentioned a and b so that pixel charges
Effect is best.
S3: judging whether i+1 is greater than N, if so, enabling i=1, i-1=N, repeats S1-S2；Otherwise, i=i+1 is enabled,
Repeat S1-S2；Wherein, the N is the total quantity of gate driving line, and the i and N are positive integer.
S4: whether real-time judge receives the instruction for terminating display liquid crystal display panel picture, if so, terminating to execute above-mentioned step
Suddenly.
Wherein, the S4 and step S1-S3 is performed simultaneously, as long as receiving the finger for terminating display liquid crystal display panel picture
It enables, i.e., stops executing above-mentioned steps at once.
In conclusion a kind of liquid crystal display panel pixel charging method provided by the invention and terminal, to the i-th row gate driving
Before the pixel charging of line driving, the pixel for needing to judge that it drives relative to the (i-1)-th row gate driving line whether there is heavy duty, if
In the presence of the maximum voltage for then increasing default rectangular pulse, and by the rectangular pulse after increase voltage to the i-th row gate driving line
The pixel of driving charges, with solve due to the Gate (gate driving line) of Dual Gate (bigrid) panel it is double and
Source (source drive line) halves, and causes under equal resolution, and the charging time of pixel halves, in certain pictures, such as it is heavy
The case where just will appear pixel undercharge on picture is carried, to improve the quality of the display picture of liquid crystal display panel.
The above description is only an embodiment of the present invention, is not intended to limit the scope of the invention, all to utilize this hair
Equivalents made by bright specification and accompanying drawing content are applied directly or indirectly in other relevant technical fields, similarly
It is included within the scope of the present invention.
Claims (10)
1. a kind of liquid crystal display panel pixel charging method, which comprises the following steps:
S1: the pixel for judging that the pixel of the i-th row gate driving line driving drives relative to the (i-1)-th row gate driving line whether there is
Heavy duty；The initial value of the i is 2；
S2: if so, increasing the maximum voltage of default rectangular pulse, and by the rectangular pulse after increase voltage to the i-th row grid
The pixel of pole driving line driving charges；If it is not, then being driven by the default rectangular pulse signal to the i-th row gate driving line
Dynamic pixel charges；
S3: judging whether i+1 is greater than N, if so, enabling i=1, i-1=N, repeats S1-S2；Otherwise, i=i+1 is enabled, is repeated
Execute S1-S2；Wherein, the N is the total quantity of gate driving line, and the i and N are positive integer.
2. a kind of liquid crystal display panel pixel charging method according to claim 1, which is characterized in that further include:
S4: whether real-time judge receives the instruction for terminating display liquid crystal display panel picture, if so, terminating to execute above-mentioned steps.
3. a kind of liquid crystal display panel pixel charging method according to claim 1, which is characterized in that the S1 specifically:
According to the pixel of the pixel of the i-th row gate driving line driving and the driving of the (i-1)-th row gate driving line, judge in same row
Whether charging voltage required for two neighboring pixel is unequal.
4. a kind of liquid crystal display panel pixel charging method according to claim 1, which is characterized in that increase default rectangular pulse
Maximum voltage specifically:
The maximum voltage of default rectangular pulse is VGH, and minimum big voltage is VGL；Rectangle pulse persistance exports most in a cycle
The time of big voltage is T；
The voltage of rectangular pulse is enabled to be increased to predeterminated voltage VGH_OD from VGL at rectangular pulse rising edge corresponding time point, and
Making the duration aT of the VGH_OD, a is predetermined coefficient, and the VGH_OD is greater than VGH.
5. a kind of liquid crystal display panel pixel charging method according to claim 1, which is characterized in that also wrapped before the S1
It includes:
S0: it is charged by presetting the pixel that rectangular pulse signal drives the first row gate driving line.
6. a kind of liquid crystal display panel pixel charging terminal, including memory, processor and storage are on a memory and can be in processor
The computer program of upper operation, which is characterized in that the processor performs the steps of when executing the computer program
S1: the pixel for judging that the pixel of the i-th row gate driving line driving drives relative to the (i-1)-th row gate driving line whether there is
Heavy duty；The initial value of the i is 2；
S2: if so, increasing the maximum voltage of default rectangular pulse, and by the rectangular pulse after increase voltage to the i-th row grid
The pixel of pole driving line driving charges；If it is not, then being driven by the default rectangular pulse signal to the i-th row gate driving line
Dynamic pixel charges；
S3: judging whether i+1 is greater than N, if so, enabling i=1, i-1=N, repeats S1-S2；Otherwise, i=i+1 is enabled, is repeated
Execute S1-S2；Wherein, the N is the total quantity of gate driving line, and the i and N are positive integer.
7. a kind of liquid crystal display panel pixel charging terminal according to claim 6, which is characterized in that further include:
S4: whether real-time judge receives the instruction for terminating display liquid crystal display panel picture, if so, terminating to execute above-mentioned steps.
8. a kind of liquid crystal display panel pixel charging terminal according to claim 6, which is characterized in that the S1 specifically:
According to the pixel of the pixel of the i-th row gate driving line driving and the driving of the (i-1)-th row gate driving line, judge in same row
Whether charging voltage required for two neighboring pixel is unequal.
9. a kind of liquid crystal display panel pixel charging terminal according to claim 6, which is characterized in that increase default rectangular pulse
Maximum voltage specifically:
The maximum voltage of default rectangular pulse is VGH, and minimum big voltage is VGL；Rectangle pulse persistance exports most in a cycle
The time of big voltage is T；
The voltage of rectangular pulse is enabled to be increased to predeterminated voltage VGH_OD from VGL at rectangular pulse rising edge corresponding time point, and
Making the duration aT of the VGH_OD, a is predetermined coefficient, and the VGH_OD is greater than VGH.
10. a kind of liquid crystal display panel pixel charging terminal according to claim 6, which is characterized in that also wrapped before the S1
It includes:
S0: it is charged by presetting the pixel that rectangular pulse signal drives the first row gate driving line.
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| US20120188166A1 (en) * | 2011-01-21 | 2012-07-26 | Nokia Corporation | Overdriving with memory-in-pixel |
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| CN104867474A (en) * | 2015-06-19 | 2015-08-26 | 合肥鑫晟光电科技有限公司 | Source driver applied to TFT-LCD, drive circuit and drive method |
| CN107529669A (en) * | 2016-10-12 | 2018-01-02 | 思博半导体股份有限公司 | Data output device |
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Application publication date: 20190412 |