CN109473075A - The driving method and driving device of display panel - Google Patents
The driving method and driving device of display panel Download PDFInfo
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- CN109473075A CN109473075A CN201811535492.9A CN201811535492A CN109473075A CN 109473075 A CN109473075 A CN 109473075A CN 201811535492 A CN201811535492 A CN 201811535492A CN 109473075 A CN109473075 A CN 109473075A
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- 238000000034 method Methods 0.000 title claims abstract description 23
- 230000003111 delayed effect Effects 0.000 claims abstract description 59
- 230000005611 electricity Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 6
- 238000005516 engineering process Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 1
- 239000004973 liquid crystal related substance Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
Classifications
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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
- G09G3/3685—Details of drivers for data electrodes
- G09G3/3688—Details of drivers for data electrodes suitable for active matrices only
-
- 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
- G09G3/3674—Details of drivers for scan electrodes
- G09G3/3677—Details of drivers for scan electrodes suitable for active matrices only
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- 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)
Abstract
A kind of driving method and driving device of display panel.Display panel includes source electrode drive circuit, gate driving circuit, a plurality of gate line for being electrically connected to gate driving circuit and a plurality of data line for being electrically connected to source electrode drive circuit.Wherein driving method includes: to generate connection distance that the first time delayed signal of multiple times from short to long corresponds respectively between source electrode drive circuit by as far as close multiple data lines.Then, the multiple data lines of horizontal distance from the near to the remote that the second time delayed signal of multiple times from short to long corresponds respectively between gate driving circuit are generated.Finally, source electrode drive circuit according to corresponding first time delayed signal of each data line and the second time delayed signal to each data line output drive signal so that each pixel charging time having the same driven on same grid line by different data line.
Description
Technical field
The present invention relates to field of display technology more particularly to the driving methods and driving device of a kind of display panel.
Background technique
Available liquid crystal panel drive different location pixel when, due to the connection between each pixel and driver away from
From unequal, that is, transfer impedance is inconsistent, to generate charging delay difference (RC delay).It is driven when using identical timing
When dynamic signal, since the practical charging time of each pixel is not identical, it will lead to that Display panel is uneven or color drift
(color shift).For large size panel, since signal wire has bigger transfer impedance, non-uniform ask is shown
Topic can be more obvious.
Therefore, it is necessary to the driving method and driving device of a kind of display panel be provided, to solve the above problems.
Summary of the invention
The purpose of the present invention is to provide a kind of driving method of display panel and driving devices, can solve Display panel
Non-uniform problem.
To achieve the above object, the present invention provides a kind of driving method of display panel, and the display panel includes source electrode
It driving circuit, gate driving circuit, a plurality of gate line for being electrically connected to the gate driving circuit and a plurality of is electrically connected to
The data line of the source electrode drive circuit, which is characterized in that the described method includes: generating first prolonging from short to long of multiple times
When signal correspond respectively to the connection distance between the source electrode drive circuit by as far as close multiple data lines；It generates multiple
The second time delayed signal of time from short to long corresponds respectively to the horizontal distance between the gate driving circuit from the near to the remote
Multiple data lines；And the source electrode drive circuit is according to corresponding first time delayed signal of each data line and described
Second time delayed signal is to each data line output drive signal, so that being driven on same grid line by different data line
Each pixel charging time having the same.
In some embodiments, the gate driving circuit includes multiple gate drivers, each gate drivers
It is electrically connected with each gate line one-to-one correspondence.
In some embodiments, the multiple data lines form multiple data lines for having and being fanned out to (fan-out) layout
Group.
In some embodiments, the source electrode drive circuit includes multiple source electrode drivers, each source electrode driver
It is electrically connected with each data line group one-to-one correspondence.
In some embodiments, the step of second time delayed signal for generating multiple times from short to long includes: to produce
The second time delayed signal of raw multiple times from short to long correspond respectively to the horizontal distance between the gate driving circuit by
Closely arrive far more a data line group.
In some embodiments, multiple data lines corresponding with the same data line group have the second of same time to prolong
When signal.
In some embodiments, the driving signal is pulse signal.
To achieve the above object, the present invention provides a kind of driving device of display panel characterized by comprising grid
Driving circuit is electrically connected to a plurality of gate line, for exporting gate drive signal；And source electrode drive circuit, electrical connection
In multiple data lines, for exporting source electrode driving signal according to the following steps: generating the first delay letter of multiple times from short to long
The connection distance between the source electrode drive circuit number is corresponded respectively to by as far as close multiple data lines；Generate multiple times
The second time delayed signal from short to long corresponds respectively to from the near to the remote more of the horizontal distance between the gate driving circuit
Data line；And according to each corresponding first time delayed signal of data line and second time delayed signal to each described
Data line exports the source drive signal, so that each pixel driven on same grid line by different data line has
The identical charging time.
For feature and technology contents of the invention can be clearer and more comprehensible, please refer to below in connection with it is of the invention specifically
Bright and attached drawing, however attached drawing is only provided with reference to using, and is not intended to limit the present invention.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of display panel provided in an embodiment of the present invention；
Fig. 2 is the flow chart according to the driving method of the display panel of the embodiment of the present invention；
Fig. 3 is according to the gate drive signal of pixel A, B, C in Fig. 1 of the embodiment of the present invention and source drive signal
Time comparison diagram；
Fig. 4 is to be believed according to the gate drive signal of pixel A, D, E in Fig. 1 of another embodiment of the present invention and source drive
Number time comparison diagram.
Specific embodiment
In order to keep the purpose of the present invention, technological means and its effect more explicit, below with reference to attached drawing to this hair
It is bright further to illustrate.It should be appreciated that embodiment described herein is only a part of the embodiment of the present invention, rather than it is complete
The embodiment in portion, is not intended to limit the present invention.
Referring to FIG. 1, its structural schematic diagram for showing a kind of display panel provided in an embodiment of the present invention.Display panel 1
Including source electrode drive circuit 10, gate driving circuit 11, a plurality of 120 and of gate line for being electrically connected to gate driving circuit 11
The a plurality of data line 130 for being electrically connected to source electrode drive circuit 10.In embodiments of the present invention, gate driving circuit 11 includes more
A gate drivers 110, each gate drivers 110 are electrically connected with each gate line 120 one-to-one correspondence.Multiple data lines 130
Form multiple data line groups 13 for having and being fanned out to (fan-out) layout.Source electrode drive circuit 10 includes multiple source electrode drivers
100, each source electrode driver 100 is electrically connected with each data line group 13 one-to-one correspondence.As shown in Figure 1, display panel 1 further includes having
The display area 16 of multiple pixels 14, the driving signal that gate drivers 110 export control the film of each pixel 14
The transistor opening time, when the driving signal that source electrode driver 100 exports controls the deflection voltage load of each pixel 14
Between.It the opportunity for the driving signal that the driving signal and gate drivers 110 exported by control source electrode driver 1 exports, can be with
It charges to pixel 14.
Fig. 2 is the flow chart according to the driving method of the display panel of the embodiment of the present invention.Fig. 3 is to be implemented according to the present invention
The gate drive signal of pixel A, B, C and the time comparison diagram of source drive signal in Fig. 1 of example.In conjunction with Fig. 3 come with reference to figure
2, the driving method of display panel 1 of the invention includes the following steps:
Step S01, first time delayed signal 31A, 31B, the 31C of multiple times from short to long is generated to correspond respectively to and source electrode
Connection distance between driving circuit 10 is by as far as close multiple data lines 130.For A, B, C on display panel 1 with a line
Three pixels 14, between data line 130 and source electrode driver 100 as corresponding to pixel A, C connection distance farther out,
And the connection between data line 130 and source electrode driver 100 corresponding to pixel B is closer, and causes source electrode driver 100
Driving signal arrive at pixel A, B, C time it is different, i.e. T0 > T0 ' and T0 " > T0 ', it is therefore desirable to which each source drive is believed
The delay of number 33A, 33B, 33C compensate.As shown in figure 3, first time delayed signal 31A, 31B, 31C corresponds respectively to connection picture
The pieces of data line 130 of vegetarian refreshments A, B, C, wherein the time (T1) of the first time delayed signal 31A less than the first time delayed signal 31B when
Between (T1 '), and time (T1 ') of the time (T1 ") less than the first time delayed signal 31B of the first time delayed signal 31C.
Step S02, second time delayed signal 32A, 32B, the 32C of multiple times from short to long is generated to correspond respectively to and grid
The multiple data lines 130 of horizontal distance from the near to the remote between driving circuit 11.For A, B, C on display panel 1 with a line
Three pixels 14, since the horizontal distance between pixel A, B, C and gate drivers 110 is different, so that gate drivers
The time that 110 driving signal arrives at pixel A, B, C is different, it is therefore desirable to prolong to gate drive signal 30A, 30B, 30C
It compensates late.As shown in figure 3, second time delayed signal 32A, 32B, 32C corresponds respectively to each item number of connection pixel A, B, C
According to line 130, wherein time (T2 ') of the time (T2) of the second time delayed signal 32A less than the second time delayed signal 32B, and second prolongs
When signal 32B time (T2 ") of the time (T2 ') less than the second time delayed signal 32C.
Step S03, source electrode drive circuit 10 is according to corresponding first time delayed signal of each data line 130 and the second time delayed signal
To each 130 output drive signal of data line, so that each pixel driven on same grid line 120 by different data line 130
The point charging time having the same.Specifically, the driving signal is pulse signal.Further, by believing each source drive
Number 33A, 33B, 33C carry out the control of first time delayed signal 31A, 31B, 31C respectively, can to each source drive signal 33A,
The delay of 33B, 33C compensate.In addition, by carrying out the second delay letter respectively to each source drive signal 33A, 33B, 33C
The control of number 32A, 32B, 32C, then can compensate the delay of gate drive signal 30A, 30B, 30C.Finally, such as Fig. 3
It is shown, each source drive signal 33A, 33B, 33C after being delayed corresponding gate drive signal 30A, 30B, 30C's
Overlapping time T3, T3 ', T3 " are all identical, represent each pixel A driven on same grid line 120 by different data line 130,
B, the C charging time having the same.
Fig. 4 is to be believed according to the gate drive signal of pixel A, D, E in Fig. 1 of another embodiment of the present invention and source drive
Number time comparison diagram.Fig. 2 is referred in conjunction with Fig. 4, the driving method of display panel 1 of the invention can be single with data line group 13
Position compensates the delay of gate drive signal and source drive signal comprising following steps:
Step S01, first time delayed signal 41A, 41D, the 41E of multiple times from short to long is generated to correspond respectively to and source electrode
Connection distance between driving circuit 10 is by as far as close multiple data lines 130.For A, D, E on display panel 1 with a line
Three pixels 14, between data line 130 and source electrode driver 100 as corresponding to pixel A, E connection distance farther out,
And the connection between data line 130 and source electrode driver 100 corresponding to pixel D is closer, and causes source electrode driver 100
Driving signal arrive at pixel A, D, E time it is different, i.e. T0 > T0 ' and T0 " > T0 ', it is therefore desirable to which each source drive is believed
The delay of number 43A, 43D, 43E compensate.As shown in figure 4, first time delayed signal 41A, 41D, 41E corresponds respectively to connection picture
The pieces of data line 130 of vegetarian refreshments A, D, E, wherein the time (T1) of the first time delayed signal 41A less than the first time delayed signal 41D when
Between (T1 '), and time (T1 ') of the time (T1 ") less than the first time delayed signal 41D of the first time delayed signal 41E.
Step S02, the second time delayed signal of multiple times from short to long is generated to correspond respectively to and gate driving circuit 11
Between horizontal distance multiple data lines 130 from the near to the remote.Do not considering to connect same grid line 120 and the same data line
Grid line resistance difference between each pixel 14 of group 13, step S02 specifically include: to generate multiple times from short to long
Second time delayed signal 42A, 42D, 42E corresponds respectively to from the near to the remote multiple of the horizontal distance between gate driving circuit 11
Data line group 13.Therefore, multiple data lines 130 corresponding with the same data line group 13 have the second delay letter of same time
Number.In addition, on display panel 1 with tri- pixels 14 of A, D, E of a line, due to pixel A, D, E and gate drivers
Horizontal distance between 110 is different, so that the time that the driving signal of gate drivers 110 arrives at pixel A, D, E is different, because
This needs the delay to gate drive signal 40A, 40D, 40E to compensate.As shown in figure 4, second time delayed signal 42A, 42D,
42E corresponds respectively to each data line group 13 of connection pixel A, D, E, wherein the time (T2) of the second time delayed signal 42A is small
In the time (T2 ') of the second time delayed signal 42D, and the time (T2 ') of the second time delayed signal 42D is less than the second time delayed signal 42E
Time (T2 ").
Step S03, source electrode drive circuit 10 is according to corresponding first time delayed signal of each data line 130 and the second time delayed signal
To each 130 output drive signal of data line, so that each pixel driven on same grid line 120 by different data line 130
The point charging time having the same.Specifically, the driving signal is pulse signal.Further, by believing each source drive
Number 43A, 43D, 43E carry out the control of first time delayed signal 41A, 41D, 41E respectively, can to each source drive signal 43A,
The delay of 43D, 43E compensate.In addition, by carrying out the second delay letter respectively to each source drive signal 43A, 43D, 43E
The control of number 42A, 42D, 42E, then can compensate the delay of gate drive signal 40A, 40D, 40E.Finally, such as Fig. 4
It is shown, each source drive signal 43A, 43D, 43E after being delayed corresponding gate drive signal 40A, 40D, 40E's
Overlapping time T3, T3 ', T3 " are all identical, represent each pixel driven on same grid line 120 by different data line group 13
A, D, E charging time having the same.
Further, the present invention provides a kind of driving device of display panel 1.With reference to Fig. 1 and Fig. 2, drive of the invention
Dynamic device includes: gate driving circuit 11 and source electrode drive circuit 10.Wherein, gate driving circuit 11 is electrically connected to a plurality of grid
Signal wire 120 is used to export gate drive signal.Source electrode drive circuit 10 is electrically connected to multiple data lines 130, be used for by
Following steps export source electrode driving signal:
Step S01, the first time delayed signal of multiple times from short to long is generated to correspond respectively to and source electrode drive circuit 10
Between connection distance by as far as close multiple data lines 130.
Step S02, the second time delayed signal of multiple times from short to long is generated to correspond respectively to and gate driving circuit 11
Between horizontal distance multiple data lines 130 from the near to the remote.
Step S03, according to corresponding first time delayed signal of each data line 130 and the second time delayed signal to each data line 130
Source electrode driving signal is exported, so that each pixel driven on same grid line by different data line 130 is having the same
Charging time.
In conclusion the driving method and driving device of a kind of display panel provided by the invention, mainly by source electrode
The delay of driving signal and gate drive signal compensates, to solve because Display panel is uneven caused by charging delay difference
The problem of.
It should be understood that the application of the present invention is not limited to the above for those of ordinary skills can
With improvement or transformation based on the above description, all these modifications and variations all should belong to the guarantor of appended claims of the present invention
Protect range.
Claims (8)
1. a kind of driving method of display panel, the display panel includes source electrode drive circuit, gate driving circuit, a plurality of electricity
It is connected to the gate line and a plurality of data line for being electrically connected to the source electrode drive circuit of the gate driving circuit, it is special
Sign is, the described method includes:
Generate the connection that the first time delayed signal of multiple times from short to long corresponds respectively between the source electrode drive circuit
Distance is by as far as close multiple data lines；
Generate the level that the second time delayed signal of multiple times from short to long corresponds respectively between the gate driving circuit
The multiple data lines of distance from the near to the remote；And
The source electrode drive circuit is according to each corresponding first time delayed signal of data line and second time delayed signal
To each data line output drive signal, so that each pixel driven on same grid line by different data line has
The identical charging time.
2. the driving method of display panel as described in claim 1, it is characterised in that: the gate driving circuit includes multiple
Gate drivers, each gate drivers are electrically connected with each gate line one-to-one correspondence.
3. the driving method of display panel as described in claim 1, which is characterized in that the multiple data lines form multiple tools
There is the data line group for being fanned out to (fan-out) layout.
4. the driving method of display panel as claimed in claim 3, which is characterized in that the source electrode drive circuit includes multiple
Source electrode driver, each source electrode driver are electrically connected with each data line group one-to-one correspondence.
5. the driving method of display panel as claimed in claim 4, which is characterized in that described to generate multiple times from short to long
The second time delayed signal the step of include: to generate the second time delayed signal of multiple times from short to long to correspond respectively to and the grid
The multiple data line groups of horizontal distance from the near to the remote between the driving circuit of pole.
6. the driving method of display panel as claimed in claim 5, which is characterized in that corresponding with the same data line group more
Data line has the second time delayed signal of same time.
7. the driving method of display panel as described in claim 1, which is characterized in that the driving signal is pulse signal.
8. a kind of driving device of display panel, it is characterised in that, include:
Gate driving circuit is electrically connected to a plurality of gate line, for exporting gate drive signal；And
Source electrode drive circuit is electrically connected to multiple data lines, for exporting source electrode driving signal according to the following steps:
Generate the connection that the first time delayed signal of multiple times from short to long corresponds respectively between the source electrode drive circuit
Distance is by as far as close multiple data lines；
Generate the level that the second time delayed signal of multiple times from short to long corresponds respectively between the gate driving circuit
The multiple data lines of distance from the near to the remote；And
It is defeated to each data line according to each corresponding first time delayed signal of data line and second time delayed signal
The source drive signal out, so that being filled on same grid line by each pixel that different data line is driven is having the same
The electric time.
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| CN201811535492.9A CN109473075A (en) | 2018-12-14 | 2018-12-14 | The driving method and driving device of display panel |
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| CN110021269A (en) * | 2019-05-05 | 2019-07-16 | 深圳市华星光电半导体显示技术有限公司 | Promote the signal inputting method of display panel charge rate |
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| CN112150978A (en) * | 2020-09-16 | 2020-12-29 | 惠科股份有限公司 | Signal compensation system and signal compensation method |
| WO2021007946A1 (en) * | 2019-07-18 | 2021-01-21 | 深圳市华星光电半导体显示技术有限公司 | Liquid crystal display panel and driving method therefor |
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| CN110021269A (en) * | 2019-05-05 | 2019-07-16 | 深圳市华星光电半导体显示技术有限公司 | Promote the signal inputting method of display panel charge rate |
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| WO2023024169A1 (en) * | 2021-08-24 | 2023-03-02 | Tcl华星光电技术有限公司 | Display panel, driving method for display panel, and electronic device |
| CN113707067B (en) * | 2021-08-24 | 2023-09-01 | Tcl华星光电技术有限公司 | Display panel, driving method of display panel and electronic device |
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Application publication date: 20190315 |