CN106710504A - Driving method of display panel, time schedule controller and display device - Google Patents
Driving method of display panel, time schedule controller and display device Download PDFInfo
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- CN106710504A CN106710504A CN201710008110.6A CN201710008110A CN106710504A CN 106710504 A CN106710504 A CN 106710504A CN 201710008110 A CN201710008110 A CN 201710008110A CN 106710504 A CN106710504 A CN 106710504A
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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
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- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Control Of Indicators Other Than Cathode Ray Tubes (AREA)
Abstract
The invention discloses a driving method of a display panel, a time schedule controller and a display device. The driving method of the display panel comprises the steps of firstly, acquiring public voltage values within all areas which are designated in advance in the display panel; establishing a reference voltage compensation lookup table according to the acquired public voltage values within all the areas; finally, correcting, according to the established reference voltage compensation lookup table, voltage signals which are output to a source electrode driver chip and correspond to all the areas. After the driving method of the display panel is adopted, the gray scales of display pictures of all the areas can be automatically adjusted according to the problem that the public voltage values are not consistent in the display panel, so that the optical correction for the local area can be realized, and the whole gray-scale image is more consistent.
Description
Technical field
The present invention relates to display technology field, more particularly to a kind of driving method of display panel, time schedule controller and aobvious
Showing device.
Background technology
Current display panel is usually, using common electric voltage value and each pixel of pixel voltage collective effect, to realize picture
The modulation of GTG.In existing display panel in use, driving chip can provide display panel unified fixed public affairs
Common voltage value, but each region local common electric voltage value skew as the influence of various factors during use occurs in screen
Situation so that the overall common electric voltage value of display panel is unequal, and this influences whether to show the effect of GTG.
The content of the invention
In view of this, a kind of driving method of display panel, time schedule controller and display dress be the embodiment of the invention provides
Put, be used to solve the problems, such as that common electric voltage value is inconsistent in existing display panel.
Therefore, a kind of driving method of display panel is the embodiment of the invention provides, including：
Obtain the common electric voltage value in each region delimited in advance in display panel；
Reference voltage compensation look-up table is built according to the common electric voltage value in each region for getting；
Look-up table is compensated according to the reference voltage for constructing, it is corresponding with each region to source driving chip to exporting
Each voltage signal be modified.
It is described to obtain aobvious in above-mentioned driving method provided in an embodiment of the present invention in a kind of possible implementation
Show the common electric voltage value in each region delimited in advance in panel, specifically include：
The common electric voltage value in each region delimited in advance in obtaining display panel within every frame display time.
In a kind of possible implementation, in above-mentioned driving method provided in an embodiment of the present invention, the basis is obtained
Common electric voltage value in each region got builds reference voltage compensation look-up table, specifically includes：
According to the common electric voltage value in each region in each frame display time for getting, each region and every frame are set up
Corresponding relation between the common electric voltage of display time；
Each frame display time in corresponding relation according to each region and per frame between the common electric voltage of display time
The difference of common electric voltage, determines the corresponding relation between each region and reference voltage offset, described with reference to electricity to set up
Pressure compensation look-up table.
In a kind of possible implementation, in above-mentioned driving method provided in an embodiment of the present invention, the basis is each
In the region and the corresponding relation per frame between the common electric voltage of display time, each frame display time is public in the same area
The difference of voltage, determines the corresponding relation between each region and reference voltage offset, specifically includes：
The difference of the every two neighboring common electric voltage value in the same area that will be got in the adjacent multiframe display time it is flat
Average obtains corresponding between each region and reference voltage offset as the corresponding common electric voltage offset in the region
Relation.
In a kind of possible implementation, in above-mentioned driving method provided in an embodiment of the present invention, the basis is each
In the region and the corresponding relation per frame between the common electric voltage of display time, each frame display time is public in the same area
The difference of voltage, determines the corresponding relation between each region and reference voltage offset, specifically includes：
Two differences of common electric voltage value in the same area that will be got in the adjacent two frames display time are used as the area
The corresponding common electric voltage offset in domain, obtains the corresponding relation between each region and reference voltage offset.
The embodiment of the present invention additionally provides a kind of time schedule controller, including：
Acquiring unit, for obtaining the common electric voltage value in each region delimited in advance in display panel；
Table unit is built, for building reference voltage compensation look-up table according to the common electric voltage value in each region for getting；
Amending unit, for compensating look-up table according to the reference voltage that constructs, to export to source driving chip with
The corresponding each voltage signal in each region is modified.
In a kind of possible implementation, in above-mentioned time schedule controller provided in an embodiment of the present invention, the acquisition
Unit, specifically for obtaining display panel within every frame display time in advance delimit each region in common electric voltage value.
It is described to build table in above-mentioned time schedule controller provided in an embodiment of the present invention in a kind of possible implementation
Unit, specifically for according to the common electric voltage value in each region in each frame display time for getting, setting up each region
And the corresponding relation between the common electric voltage of every frame display time；The common electric voltage of time is shown with every frame according to each region
Between corresponding relation in each frame display time common electric voltage difference, determine each region and reference voltage offset it
Between corresponding relation, to set up reference voltage compensation look-up table.
It is described to build table in above-mentioned time schedule controller provided in an embodiment of the present invention in a kind of possible implementation
Unit, specifically for the difference of the every two neighboring common electric voltage value in the same area for will being got in the adjacent multiframe display time
Average value as the corresponding common electric voltage offset in the region, obtain between each region and reference voltage offset
Corresponding relation；Or, two differences of common electric voltage value in the same area that will be got in the adjacent two frames display time are used as institute
The corresponding common electric voltage offset in region is stated, the corresponding relation between each region and reference voltage offset is obtained.
The embodiment of the present invention additionally provides a kind of display device, including above-mentioned SECO provided in an embodiment of the present invention
Device.
The beneficial effect of the embodiment of the present invention includes：
A kind of driving method of display panel provided in an embodiment of the present invention, time schedule controller and display device, obtain first
Take the common electric voltage value in each region delimited in advance in display panel；Afterwards, according to the common electrical in each region for getting
Pressure value builds reference voltage compensation look-up table；Finally, look-up table is compensated according to the reference voltage for constructing, is driven to exporting to source electrode
Each voltage signal corresponding with each region of dynamic chip is modified.Can be according to appearance in display panel by said process
The inconsistent problem of common electric voltage value, the GTG of each region display picture of adjust automatically, realizes the optical correction of regional area, is
Overall grey menu it is more consistent.
Brief description of the drawings
Fig. 1 is the flow chart of the driving method of display panel provided in an embodiment of the present invention；
Fig. 2 is the relation schematic diagram between display panel provided in an embodiment of the present invention and time schedule controller；
Fig. 3 is the structural representation of time schedule controller provided in an embodiment of the present invention.
Specific embodiment
Below in conjunction with the accompanying drawings, to display panel provided in an embodiment of the present invention driving method, time schedule controller and display
The specific embodiment of device is described in detail.
A kind of driving method of display panel is the embodiment of the invention provides, as shown in figure 1, comprising the following steps：
S101, the common electric voltage value obtained in each region delimited in advance in display panel；
The common electric voltage value in each region that S102, basis get builds reference voltage compensation look-up table；
The reference voltage compensation look-up table that S103, basis are constructed, to exporting to source driving chip and each region pair
Each voltage signal answered is modified.
The driving method of above-mentioned display panel provided in an embodiment of the present invention, can be according to display panel by said process
The inconsistent problem of the middle common electric voltage value for occurring, the GTG of each region display picture of adjust automatically realizes the light of regional area
Just, the overall grey menu for being is more consistent for school.
In the specific implementation, it is finely adjusted in real time to ensure the picture that can be shown to display panel, to ensure whole screen
Optical characteristics it is more consistent, step S01 in above-mentioned driving method provided in an embodiment of the present invention is obtained in display panel
The common electric voltage value in each region delimited in advance, can specifically realize in the following way：Obtained within every frame display time
Take the common electric voltage value in each region delimited in advance in display panel.So as to can be according to getting when subsequent step is performed
Every frame display time in common electric voltage value adjust the grey decision-making in each region.
Also, above-mentioned implementation is not limited in above-mentioned driving method provided in an embodiment of the present invention and only, in display
When the display area of panel shows that the inconsistent phenomenon of GTG is not obvious when smaller, to save amount of calculation to reduce power consumption, also may be used
With the common electric voltage value in each region that advance delimitation in display panel is obtained at interval of several frames display time, do not limit herein
It is fixed.、
In the specific implementation, display panel can be divided into by multiple regions according to the size of display panel screen in advance,
And general each region is in the same size, such as can be divided into 3*3 region.
And it is possible at least one common electric voltage collection point is set in each region of display panel, as shown in Fig. 2 simultaneously
The common electric voltage value that can be collected each collection point using holding wire is sent to the corresponding pipe of time schedule controller by PCBA board
Pin interface.
In the specific implementation, step S102 in above-mentioned driving method provided in an embodiment of the present invention is according to getting
Common electric voltage value in each region builds reference voltage compensation look-up table, can specifically realize in the following way：
First, according to the common electric voltage value in each region in each frame display time for getting, set up each region with it is every
Corresponding relation between the common electric voltage of frame display time；
In the specific implementation, the collection point that can be directed to each region sets one-to-one multiple pipes in time schedule controller
Pin interface, so, can simultaneously collect the common electric voltage value in each region within the same frame display time, be connect according to pin afterwards
Mouth sets up the common electric voltage look-up table (look up table) in each region of each frame display time with the corresponding relation in region；
Afterwards, each frame display time in the corresponding relation according to each region and per frame between the common electric voltage of display time
The difference of common electric voltage, determines the corresponding relation between each region and reference voltage offset, is looked into setting up reference voltage compensation
Look for table.
In the specific implementation, in the above-mentioned corresponding relation according to each region and per frame between the common electric voltage of display time,
The difference of the common electric voltage of each frame display time in the same area, determines the corresponding pass between each region and reference voltage offset
System, can specifically realize in the following way：
The difference of the every two neighboring common electric voltage value in the same area that will can be got in the adjacent multiframe display time
Average value as the corresponding common electric voltage offset in region, obtain the corresponding pass between each region and reference voltage offset
System.For example, four A-B's of common electric voltage value A, B, C and D that will can be got in every four frames display time, B-C, C-D is flat
Average is used as the corresponding common electric voltage offset in the region.
Or, the difference of the two common electric voltage values in the same area that will can be got in the adjacent two frames display time is made
It is the corresponding common electric voltage offset in region, obtains the corresponding relation between each region and reference voltage offset.
In the specific implementation, step S103 in above-mentioned driving method provided in an embodiment of the present invention is according to constructing
Reference voltage compensates look-up table, is modified to exporting to source driving chip each voltage signal corresponding with each region, has
Body can program such as mini LVDS to source driving chip；USIT；ISP；PHI；CHDS；CEDS；During the signals such as EPI, adopt
Look-up table is compensated with the reference voltage for constructing to be modified, to correct optical characteristics automatically.
Based on same inventive concept, the embodiment of the present invention additionally provides a kind of time schedule controller and system, due to the sequential
The principle of controller solve problem is similar to a kind of foregoing driving method of display panel, therefore the implementation of the time schedule controller can
Repeated no more with referring to the implementation of driving method, repeating part.
A kind of time schedule controller provided in an embodiment of the present invention, as shown in figure 3, including：
Acquiring unit 301, for obtaining the common electric voltage value in each region delimited in advance in display panel；
Table unit 302 is built, is searched for building reference voltage compensation according to the common electric voltage value in each region for getting
Table；
Amending unit 303, for compensating look-up table according to the reference voltage for constructing, to exporting to source driving chip
Each voltage signal corresponding with each region is modified.
Further, the acquiring unit 301 in above-mentioned time schedule controller provided in an embodiment of the present invention, specifically for
The common electric voltage value in each region delimited in advance in display panel is obtained in the display time per frame.
Further, table unit 302 is built in above-mentioned time schedule controller provided in an embodiment of the present invention, specifically for root
According to the common electric voltage value in each region in each frame display time for getting, set up each region and show the public of time with every frame
Corresponding relation between voltage；Each frame shows in corresponding relation according to each region and per frame between the common electric voltage of display time
The difference of the common electric voltage of time, determines the corresponding relation between each region and reference voltage offset, to set up reference voltage
Compensation look-up table.
Further, table unit 302 is built in above-mentioned time schedule controller provided in an embodiment of the present invention, specifically for inciting somebody to action
The average value of the difference of the every two neighboring common electric voltage value in the same area got in the adjacent multiframe display time is used as area
The corresponding common electric voltage offset in domain, obtains the corresponding relation between each region and reference voltage offset；Or, by adjacent two frame
Two differences of common electric voltage value in the same area got in the display time as the corresponding common electric voltage offset in region,
Obtain the corresponding relation between each region and reference voltage offset.
Based on same inventive concept, the embodiment of the present invention additionally provides a kind of display device, including the embodiment of the present invention is carried
The above-mentioned time schedule controller for supplying, the display device can be：Mobile phone, panel computer, television set, display, notebook computer, number
Any product or part with display function such as code-phase frame, navigator.The implementation of the display device may refer to above-mentioned sequential
The embodiment of controller, repeats part and repeats no more.
The driving method of above-mentioned display panel provided in an embodiment of the present invention, time schedule controller and display device, obtain first
Take the common electric voltage value in each region delimited in advance in display panel；Afterwards, according to the common electrical in each region for getting
Pressure value builds reference voltage compensation look-up table；Finally, look-up table is compensated according to the reference voltage for constructing, is driven to exporting to source electrode
Each voltage signal corresponding with each region of dynamic chip is modified.Can be according to appearance in display panel by said process
The inconsistent problem of common electric voltage value, the GTG of each region display picture of adjust automatically, realizes the optical correction of regional area, is
Overall grey menu it is more consistent.
Obviously, those skilled in the art can carry out various changes and modification without deviating from essence of the invention to the present invention
God and scope.So, if these modifications of the invention and modification belong to the scope of the claims in the present invention and its equivalent technologies
Within, then the present invention is also intended to comprising these changes and modification.
Claims (10)
1. a kind of driving method of display panel, it is characterised in that including：
Obtain the common electric voltage value in each region delimited in advance in display panel；
Reference voltage compensation look-up table is built according to the common electric voltage value in each region for getting；
Look-up table is compensated according to the reference voltage for constructing, it is corresponding with each region each to source driving chip to exporting
Voltage signal is modified.
2. driving method as claimed in claim 1, it is characterised in that each region delimited in advance in the acquisition display panel
Interior common electric voltage value, specifically includes：
The common electric voltage value in each region delimited in advance in obtaining display panel within every frame display time.
3. driving method as claimed in claim 2, it is characterised in that the common electric voltage in each region that the basis gets
Value builds reference voltage compensation look-up table, specifically includes：
According to the common electric voltage value in each region in each frame display time for getting, set up each region and shown with every frame
Corresponding relation between the common electric voltage of time；
Each frame display time is public in corresponding relation according to each region and per frame between the common electric voltage of display time
The difference of voltage, determines the corresponding relation between each region and reference voltage offset, is mended with setting up the reference voltage
Repay look-up table.
4. driving method as claimed in claim 3, it is characterised in that described according to each region and every frame display time
In corresponding relation between common electric voltage, the difference of the common electric voltage of each frame display time, determines each area in the same area
Corresponding relation between domain and reference voltage offset, specifically includes：
The average value of the difference of the every two neighboring common electric voltage value in the same area that will be got in the adjacent multiframe display time
As the corresponding common electric voltage offset in the region, the corresponding pass between each region and reference voltage offset is obtained
System.
5. driving method as claimed in claim 3, it is characterised in that described according to each region and every frame display time
In corresponding relation between common electric voltage, the difference of the common electric voltage of each frame display time, determines each area in the same area
Corresponding relation between domain and reference voltage offset, specifically includes：
Two differences of common electric voltage value in the same area that will be got in the adjacent two frames display time are used as the region pair
The common electric voltage offset answered, obtains the corresponding relation between each region and reference voltage offset.
6. a kind of time schedule controller, it is characterised in that including：
Acquiring unit, for obtaining the common electric voltage value in each region delimited in advance in display panel；
Table unit is built, for building reference voltage compensation look-up table according to the common electric voltage value in each region for getting；
Amending unit, for compensating look-up table according to the reference voltage for constructing, to exporting to source driving chip and each institute
The corresponding each voltage signal in region is stated to be modified.
7. time schedule controller as claimed in claim 6, it is characterised in that the acquiring unit, specifically for being shown in every frame
The common electric voltage value in each region delimited in advance in display panel is obtained in time.
8. time schedule controller as claimed in claim 7, it is characterised in that described to build table unit, specifically for according to getting
Each frame display time in each region in common electric voltage value, set up the common electric voltage that each region and every frame show the time
Between corresponding relation；Each frame shows in corresponding relation according to each region and per frame between the common electric voltage of display time
The difference of the common electric voltage of time, determines the corresponding relation between each region and reference voltage offset, described to set up
Reference voltage compensates look-up table.
9. time schedule controller as claimed in claim 8, it is characterised in that described to build table unit, specifically for by adjacent multiframe
The average value of the difference of the every two neighboring common electric voltage value in the same area got in the display time is used as the region pair
The common electric voltage offset answered, obtains the corresponding relation between each region and reference voltage offset；Or, by adjacent two frame
Two differences of common electric voltage value in the same area got in the display time are mended as the corresponding common electric voltage in the region
Value is repaid, the corresponding relation between each region and reference voltage offset is obtained.
10. a kind of display device, it is characterised in that including the time schedule controller as described in claim any one of 6-9.
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| CN201710008110.6A CN106710504A (en) | 2017-01-05 | 2017-01-05 | Driving method of display panel, time schedule controller and display device |
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| CN201710008110.6A CN106710504A (en) | 2017-01-05 | 2017-01-05 | Driving method of display panel, time schedule controller and display device |
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| CN107665686A (en) * | 2017-10-19 | 2018-02-06 | 京东方科技集团股份有限公司 | A kind of driving method, drive device and display device |
| CN107886917A (en) * | 2017-10-31 | 2018-04-06 | 南京中电熊猫平板显示科技有限公司 | Display device and its voltage compensating method |
| CN108022546A (en) * | 2018-01-24 | 2018-05-11 | 合肥京东方显示技术有限公司 | Method for compensating signal, apparatus and system, source driving chip, storage medium |
| CN108550341A (en) * | 2018-05-31 | 2018-09-18 | 联想(北京)有限公司 | A kind of display equipment and display methods |
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| WO2020118758A1 (en) * | 2018-12-14 | 2020-06-18 | 深圳市华星光电半导体显示技术有限公司 | Common voltage regulating circuit and common voltage regulating method |
| CN114333716A (en) * | 2020-09-29 | 2022-04-12 | 北京小米移动软件有限公司 | Display control method, device, terminal equipment and storage medium |
| CN115331641A (en) * | 2022-08-08 | 2022-11-11 | 集创北方(珠海)科技有限公司 | Display device temperature compensation circuit and display device |
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| CN115331641A (en) * | 2022-08-08 | 2022-11-11 | 集创北方(珠海)科技有限公司 | Display device temperature compensation circuit and display device |
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Application publication date: 20170524 |