CN109308867A - The driving method and its driving device of display panel, display device - Google Patents
The driving method and its driving device of display panel, display device Download PDFInfo
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- CN109308867A CN109308867A CN201811398534.9A CN201811398534A CN109308867A CN 109308867 A CN109308867 A CN 109308867A CN 201811398534 A CN201811398534 A CN 201811398534A CN 109308867 A CN109308867 A CN 109308867A
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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
- G09G3/2007—Display of intermediate tones
- G09G3/2074—Display of intermediate tones using sub-pixels
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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
- G09G2320/00—Control of display operating conditions
- G09G2320/02—Improving the quality of display appearance
- G09G2320/0271—Adjustment of the gradation levels within the range of the gradation scale, e.g. by redistribution or clipping
- G09G2320/0276—Adjustment of the gradation levels within the range of the gradation scale, e.g. by redistribution or clipping for the purpose of adaptation to the characteristics of a display device, i.e. gamma correction
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Abstract
The present invention discloses the driving method and its driving device, display device of a kind of display panel, which receives display drive signals first；Display drive signals are loaded respectively on first resistor string and second resistance string again, and export first resistor string, the corresponding ohmically branch pressure voltage of second resistance string respectively；Finally drive each row pixel unit, and the odd positions pixel and even number position pixel of adjacent two pixel unit of branch pressure voltage difference driven of the branch pressure voltage of first resistor string output and the output of second resistance string line by line according to timing cycles；Display panel is driven by above-mentioned driving method, the effect of the bright dark interlaced display of adjacent rows respective pixel is realized, solves the problems, such as the colour cast at the big visual angle of display panel, and above scheme structure is simple, lower production costs.
Description
Technical field
The present invention relates to field of display technology, in particular to a kind of displaying panel driving method and its driving device, display
Device.
Background technique
Current display device usually passes through the light valve control of orientation, be easy to cause big visual angle colour cast, i.e., in a comparison
When inclined angle viewing display screen, the phenomenon that having misalignment appearance, so that picture sense organ has distortion sense.And it is at present
Improve this phenomenon, generally use following methods: a kind of method be the pixel array of script display device is divided into main pixel and
Sub-pixel, and the brightness of sub-pixel is dimmed, but this design be easy to cause the penetrance of display panel to decline；Another method
It is the timing sequence process chip interior in display panel using the particular algorithm of mathematics, the design of bright dark data is done to adjacent array,
But the algorithm of this design timing sequence process chip interior is complicated, and debugging and maintenance are not easy, higher cost.
Summary of the invention
The embodiment of the present application is by providing the driving method and driving device and display device of a kind of display panel, solution
The problem of big visual angle colour cast in display panel in the prior art of having determined.
The embodiment of the present application provides a kind of driving method of display panel, and the display panel includes several row pixel lists
Member, every one-row pixels unit are made of several pixels, the driving method the following steps are included:
Receive display drive signals；
The display drive signals are loaded respectively on first resistor string and second resistance string, and the first electricity of output respectively
Resistance string, the corresponding ohmically branch pressure voltage of second resistance string；
Drive pixel unit described in each row line by line according to timing cycles, and the branch pressure voltage of first resistor string output and
The odd positions pixel and even number of pixel unit described in the branch pressure voltage difference driven adjacent rows of second resistance string output
Position pixel.
Optionally, described to drive pixel unit described in each row line by line according to timing cycles, so that the first resistor string is defeated
The odd number of pixel unit described in the branch pressure voltage difference driven adjacent rows of branch pressure voltage and the output of second resistance string out
The step of position pixel and even number position pixel specifically:
In previous timing cycles, the odd positions of the branch pressure voltage driving previous row pixel unit of first resistor string output
Pixel, the even number position pixel of the branch pressure voltage driving previous row pixel unit of second resistance string output；
In latter timing cycles, the even number position of one-row pixels unit after the branch pressure voltage driving of first resistor string output
Pixel, the odd positions pixel of one-row pixels unit after the branch pressure voltage driving of second resistance string output.
Optionally, the resistance value of each resistance on the first resistor string is equal, each resistance on the second resistance string
Resistance value it is equal；And the electricity of each resistance on the resistance value of each resistance on the first resistor string and the second resistance string
Resistance value is unequal.
Optionally, the display drive signals are loaded respectively on first resistor string and second resistance string described, and
After the step of exporting the corresponding ohmically branch pressure voltage of first resistor string, second resistance string respectively further include:
The branch pressure voltage that the first resistor string, second resistance string export is amplified into processing.
The embodiment of the present application also provides a kind of driving device of display panel, the display panel includes several row pixels
Unit, every one-row pixels unit are made of several pixels, and the driving device includes:
Driving chip, including first resistor string and second resistance string, the output end of the first resistor string, second resistance string
It is connect with pixel unit described in each row, the driving chip is for receiving display drive signals, and by the display drive signals
It is loaded on first resistor string and second resistance string respectively, exports first resistor string respectively, on the corresponding resistance of second resistance string
Branch pressure voltage；And the branch pressure voltage of the first resistor string output and the branch pressure voltage of second resistance string output replace phase respectively
Adjacent two rows drive the odd positions pixel and even number position pixel of the pixel unit；
Timing controller, the output end of the timing controller is connect with the control terminal of the driving chip, described
Timing controller controls the driving chip and drives line by line according to timing cycles respectively for providing the timing control signal in period
The row pixel unit.
Optionally, in the previous timing cycles of timing control signal, before the branch pressure voltage driving of first resistor string output
The odd positions pixel of one-row pixels unit, the even bit of the branch pressure voltage driving previous row pixel unit of second resistance string output
Set pixel；
In the latter timing cycles of timing control signal, one-row pixels after the branch pressure voltage driving of first resistor string output
The even number position pixel of unit, the odd positions pixel of one-row pixels unit after the branch pressure voltage driving of second resistance string output.
Optionally, the timing control signal includes several failing edges, and adjacent two failing edge is a timing cycles.
Optionally, the resistance value of each resistance on the first resistor string is equal, each resistance on the second resistance string
Resistance value it is equal；And the electricity of each resistance on the resistance value of each resistance on the first resistor string and the second resistance string
Resistance value is unequal.
Optionally, the branch pressure voltage that the driving chip is also used to export the first resistor string, second resistance string is equal
It exports after amplifying processing to pixel unit described in each row.
The embodiment of the present application also provides a kind of display device, which includes display panel and above-mentioned display panel
Driving device, the display panel includes several row pixel units, and every one-row pixels unit is made of several pixels；It is described
Driving device is used to drive each row pixel unit of the display panel line by line.
One or more technical solutions provided in the embodiments of the present application have at least the following technical effects or advantages:
By using two groups of resistance strings to carry out Gamma correction to the display drive signals of input in driving chip, so that defeated
Driving voltage out is different, passes through the odd positions pixel and even plain pixel of driven adjacent rows pixel unit, voltage value
The pixel intensity of big driving signal driving is brighter, and the pixel intensity of the small driving signal driving of voltage value is darker, realizes phase
The effect of the bright dark interlaced display of adjacent rows respective pixel, solves the problems, such as the colour cast at the big visual angle of display panel, and above scheme structure
Simply, lower production costs.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention for those of ordinary skill in the art without creative efforts, can be with
The structure shown according to these attached drawings obtains other attached drawings.
Fig. 1 is that the invention shows the step schematic diagrames of an embodiment of the driving method of panel；
Fig. 2 is the detailed step schematic diagram of step S300 in Fig. 1；
Fig. 3 is that the invention shows another embodiment step schematic diagrames of the driving method of panel；
Fig. 4 is that the invention shows the structural schematic diagrams of one embodiment of driving device of panel；
Fig. 5 is the display renderings the invention shows panel through driving device driving latter embodiment.
The embodiments will be further described with reference to the accompanying drawings for the realization, the function and the advantages of the object of the present invention.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiment is only a part of the embodiments of the present invention, instead of all the embodiments.Base
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts it is all its
His embodiment, shall fall within the protection scope of the present invention.
It is to be appreciated that if the directional instruction (such as up, down, left, right, before and after ...) of institute is only in the embodiment of the present invention
For explaining in relative positional relationship, the motion conditions etc. under a certain particular pose (as shown in the picture) between each component, if
When the particular pose changes, then directionality instruction also correspondingly changes correspondingly.
In addition, if the description for being related to " first ", " second " etc. in the present invention is used for description purposes only, and should not be understood as
Its relative importance of indication or suggestion or the quantity for implicitly indicating indicated technical characteristic.Define as a result, " first ",
The feature of " second " can explicitly or implicitly include at least one of the features.In addition, the technical side between each embodiment
Case can be combined with each other, but must be based on can be realized by those of ordinary skill in the art, when the combination of technical solution
Conflicting or cannot achieve when occur will be understood that the combination of this technical solution is not present, also not the present invention claims guarantor
Within the scope of shield.
One embodiment
Referring to Fig.1 and Fig. 4, the embodiment of the invention provides a kind of driving method of display panel 100, the display panels
100 include several row pixel unit L1, L2, L3 ... Ln, and every one-row pixels unit L is by several pixels S1, S2, S3 ... Sn
Constitute, the driving method the following steps are included:
Step S100: display drive signals are received；
Step S200: the display drive signals are loaded respectively on first resistor string and second resistance string, and respectively
Export first resistor string, the corresponding ohmically branch pressure voltage of second resistance string.
Step S300: driving pixel unit described in each row according to timing cycles line by line, and first resistor string output
The odd positions of pixel unit described in branch pressure voltage and the branch pressure voltage difference driven adjacent rows of second resistance string output
Pixel and even number position pixel.
In the present embodiment, which is usually that the electronics having a display function such as television set or computer is set
Standby display panel 100, the driving method are what the driving device 200 based on liquid crystal display panel 100 was formed, the driving device
200 include driving chip 210 and timing controller 220.By taking television set as an example, in the step s 100, the display drive signals
The number formed after the picture signal by antenna or set-top box transmission input usually received by the mainboard of television set is encoded
Word signal after driving chip 210 receives the digital display drive signals after the coding, will do it decoding operation first and form mould
Quasi- signal, which is usually corresponding voltage signal.
First resistor string and second resistance string, in step s 200, driving chip are internally provided in driving chip 210
After the digital display drive signals received are converted corresponding analog voltage signal by 210, loaded respectively in first resistor string
With Gamma correction is carried out on second resistance string.The first resistor string and second resistance string are respectively by the identical resistance of resistance
It is connected in series, and the resistance value of each resistance in the resistance value and second resistance value of each resistance on the first resistor string is not
It is equal.Then the analog voltage signal forms each branch pressure voltage and the analog voltage signal the on each resistance of first resistor string
Each branch pressure voltage formed on each resistance of two resistance strings is also all different.Driving chip 210 selects first resistor string and second
The branch pressure voltage output of corresponding resistance in resistance string.
In the present embodiment, it is said so that first resistor string and second resistance string include 14 concatenated resistance as an example
Bright, which has 14 resistance, and respectively R1, R2, R3 ... R14, correspondingly, second resistance string also has 14
Resistance, respectively R1', R2', R3' ... R14'.And the resistance value of each resistance on first resistor string is identical, i.e. R1=R2=
R3=... R14；The resistance value of each resistance on second resistance string is identical, i.e. R1'=R2'=R3'=... R14'.Then simulate
Voltage signal load forms 15 electric potential signals in first resistor string, respectively V1, V2, V3 ... V15, then first resistor string
Each ohmically branch pressure voltage is the difference between the adjacent potential value of any two, due to each resistance value on first resistor string
Identical, then the branch pressure voltage of each resistance on first resistor string is also all the same.Correspondingly, the load of above-mentioned analog voltage signal is the
Also 15 electric potential signals, respectively V1', V2', V3' ... V15' are formed in two resistance strings, then on each resistance of second resistance string
Branch pressure voltage be difference between the adjacent potential value of any two, since each resistance value on second resistance string is identical, then
The branch pressure voltage of each resistance on second resistance string is also all the same.Then the driving chip 210 may be selected on first resistor string and the
The branch pressure voltage output of any one resistance in two resistance strings.Due to the resistance value and second resistance of each resistance on first resistor string
The resistance value of each resistance is unequal on string, i.e. R1 ≠ R1', R2 ≠ R2', R3 ≠ R3' ... R14 ≠ R14', then first resistor string
The branch pressure voltage of the branch pressure voltage and each resistance on second resistance string of upper each resistance is also unequal.
In step S300, the driving chip 210 is by the control of timing controller 220, in a row by row fashion driving display
Each row pixel unit of panel 100, and according to the timing cycles driven adjacent rows pixel unit of timing controller 220
Odd positions pixel and even number position pixel.
The timing control signal of the output of the timing controller 220 includes several failing edges, and adjacent two failing edge is
One timing cycles.
Specifically, as shown in Fig. 2, step S300 includes step S310 and step S320:
Step S310: in previous timing cycles, the branch pressure voltage of first resistor string output drives previous row pixel unit
Odd positions pixel, second resistance string output branch pressure voltage driving previous row pixel unit even number position pixel；
Step S320: in latter timing cycles, one-row pixels unit after the branch pressure voltage driving of first resistor string output
Even number position pixel, second resistance string output branch pressure voltage driving after one-row pixels unit odd positions pixel.
In the present embodiment, it is illustrated by taking the first row pixel unit L1 and the second row pixel unit L2 as an example, in timing
In the first timing cycles for controlling chip 220, driving chip 210 first drives the first row pixel unit L1, and driving chip 210 is defeated
The branch pressure voltage of first resistor string out is used to drive odd positions pixel S1, S3, S5 ... S of the first row pixel unit L1
(2n-1), the branch pressure voltage for the second resistance string that driving chip 210 exports are used to drive the even number of the first row pixel unit L1
Position pixel S2, S4, S6 ... S (2n), since the output branch pressure voltage of first resistor string and second resistance string is not identical, then
Brightness shown by the odd positions pixel and even number position pixel of one-row pixels unit L1 is also different, if first resistor string exports
Branch pressure voltage be greater than the branch pressure voltage of second resistance string, the then display brightness of the odd positions pixel of the first row pixel unit L1
It will be greater than the display brightness of the even number position pixel of the first row pixel unit L1；Correspondingly, if the partial pressure of first resistor string output
Voltage is less than the branch pressure voltage of second resistance string, then the display brightness of the odd positions pixel of the first row pixel unit L1 will be less than
The display brightness of the even number position pixel of the first row pixel unit L1.
After the first row pixel unit L1 drives, timing controller 220 enters the second timing cycles, driving chip
210 start to drive the second row pixel unit, and the branch pressure voltage of first resistor string that exports of driving chip 210 for drive this
Even number position pixel S2, S4, S6 ... S (2n) of two row pixel unit L2, point for the second resistance string that driving chip 210 exports
Piezoelectricity pressure is for driving odd positions pixel S1, S3, S5 ... S (2n-1) of the second row pixel unit L2, due to the first electricity
The output branch pressure voltage of resistance string and second resistance string is not identical, then the odd positions pixel and even bit of the second row pixel unit L2
Set that brightness shown by pixel is also different, if the branch pressure voltage of first resistor string output is greater than the branch pressure voltage of second resistance string,
Then the display brightness of the even number position pixel of the second row pixel unit L2 will be greater than the odd positions picture of the second row pixel unit L2
The display brightness of element；Correspondingly, if first resistor string output branch pressure voltage be less than second resistance string branch pressure voltage, second
The display brightness of the even number position pixel of row pixel unit L2 is shown the odd positions pixel less than the second row pixel unit L2
Show brightness.
Then according to above-mentioned analysis, if the branch pressure voltage of first resistor string output is greater than the branch pressure voltage of second resistance string,
The brightness of the odd positions pixel of the first row pixel unit L1 will be greater than the brightness of even number position pixel, and the second row pixel unit
The brightness of the odd positions pixel of L2 is then less than the brightness of even number position pixel.
After the completion of whole pixel units drive line by line, the brightness of the pixel unit of display panel 100 shows situation such as Fig. 5
Shown, dash area indicates that display brightness is smaller in figure.After then driving display panel 100 by the above method, realize adjacent
The effect of the bright dark interlaced display of row respective pixel, solves the problems, such as the colour cast at big visual angle.
Another embodiment
As shown in figure 3, the present embodiment and the difference of a upper embodiment are, after step S200 further include:
Step S400: the branch pressure voltage that the first resistor string, second resistance string export is amplified into processing.
The enhanced processing process is power amplification processing, then according to the size of the required driving voltage of each pixel, progress phase
It should amplify, achieve the effect that preferably, more precisely to drive.
Another embodiment
Referring to Fig. 4, the embodiment of the invention provides a kind of driving device 200 of display panel 100, the display panels
100 include several row pixel unit L1, L2, L3 ... Ln, and every one-row pixels unit L is by several pixels S1, S2, S3 ... Sn
It constitutes, the driving device 200 includes:
Driving chip 210, including first resistor string and second resistance string, the first resistor string, second resistance string it is defeated
Outlet is connect with pixel unit described in each row, and the driving chip 210 drives for receiving display drive signals, and by the display
Dynamic signal is loaded respectively on first resistor string and second resistance string, and it is corresponding to export first resistor string, second resistance string respectively
Ohmically branch pressure voltage；And the branch pressure voltage of the first resistor string output and the branch pressure voltage of second resistance string output are distinguished
The odd positions pixel and even number position pixel of pixel unit described in driven adjacent rows；
Timing controller 220, the control terminal of the output end of the timing controller 220 and the driving chip 210
Connection, the timing controller 220 for providing the timing control signal in period, control the driving chip 210 according to when
The sequence period drives pixel unit described in each row line by line.
In the present embodiment, which is usually that the electronics having a display function such as television set or computer is set
Standby display panel 100.By taking television set as an example, which is usually to be received by the mainboard of television set by antenna
Or the encoded rear digital signal formed of picture signal of set-top box transmission input, after driving chip 210 receives the coding
After digital display drive signals, it will do it decoding operation first and form analog signal, which is usually corresponding voltage
Signal.
First resistor string and second resistance string, the number that driving chip 210 will receive are internally provided in driving chip 210
After word display drive signals are converted into corresponding analog voltage signal, load respectively enterprising in first resistor string and second resistance string
Row Gamma correction.The first resistor string and second resistance string are connected in series by the identical resistance of resistance respectively, and
The resistance value of each resistance in the resistance value and second resistance value of each resistance on the first resistor string is unequal.Then simulation electricity
Pressure signal forms each branch pressure voltage and the analog voltage signal in each electricity of second resistance string on each resistance of first resistor string
Each branch pressure voltage formed in resistance is also all different.Driving chip 210 selects corresponding on first resistor string and second resistance string
The branch pressure voltage of resistance exports.
In the present embodiment, it is said so that first resistor string and second resistance string include 14 concatenated resistance as an example
Bright, which has 14 resistance, and respectively R1, R2, R3 ... R14, correspondingly, second resistance string also has 14
Resistance, respectively R1', R2', R3' ... R14'.And the resistance value of each resistance on first resistor string is identical, i.e. R1=R2=
R3=... R14；The resistance value of each resistance on second resistance string is identical, i.e. R1'=R2'=R3'=... R14'.Then simulate
Voltage signal load forms 15 electric potential signals in first resistor string, respectively V1, V2, V3 ... V15, then first resistor string
Each ohmically branch pressure voltage is the difference between the adjacent potential value of any two, due to each resistance value on first resistor string
Identical, then the branch pressure voltage of each resistance on first resistor string is also all the same.Correspondingly, the load of above-mentioned analog voltage signal is the
Also 15 electric potential signals, respectively V1', V2', V3' ... V15' are formed in two resistance strings, then on each resistance of second resistance string
Branch pressure voltage be difference between the adjacent potential value of any two, since each resistance value on second resistance string is identical, then
The branch pressure voltage of each resistance on second resistance string is also all the same.Then the driving chip 210 may be selected on first resistor string and the
The branch pressure voltage output of any one resistance in two resistance strings.Due to the resistance value and second resistance of each resistance on first resistor string
The resistance value of each resistance is unequal on string, i.e. R1 ≠ R1', R2 ≠ R2', R3 ≠ R3' ... R14 ≠ R14', then first resistor string
The branch pressure voltage of the branch pressure voltage and each resistance on second resistance string of upper each resistance is also unequal.
The driving chip 210 is driven each row of display panel 100 by the control of timing controller 220 in a row by row fashion
Pixel unit, and the odd positions picture of the timing cycles driven adjacent rows pixel unit according to timing controller 220
Element and even number position pixel.
The timing control signal of the output of the timing controller 220 includes several failing edges, and adjacent two failing edge is
One timing cycles.
Specifically, in the previous timing cycles of timing control signal, before the branch pressure voltage driving of first resistor string output
The odd positions pixel of one-row pixels unit, the even bit of the branch pressure voltage driving previous row pixel unit of second resistance string output
Set pixel.
In the latter timing cycles of timing control signal, one-row pixels after the branch pressure voltage driving of first resistor string output
The even number position pixel of unit, the odd positions pixel of one-row pixels unit after the branch pressure voltage driving of second resistance string output.
In the present embodiment, it is illustrated by taking the first row pixel unit L1 and the second row pixel unit L2 as an example, in timing
In the first timing cycles for controlling chip 220, driving chip 210 first drives the first row pixel unit L1, and driving chip 210 is defeated
The branch pressure voltage of first resistor string out is used to drive odd positions pixel S1, S3, S5 ... S of the first row pixel unit L1
(2n-1), the branch pressure voltage for the second resistance string that driving chip 210 exports are used to drive the even number of the first row pixel unit L1
Position pixel S2, S4, S6 ... S (2n), since the output branch pressure voltage of first resistor string and second resistance string is not identical, then
Brightness shown by the odd positions pixel and even number position pixel of one-row pixels unit L1 is also different, if first resistor string exports
Branch pressure voltage be greater than the branch pressure voltage of second resistance string, the then display brightness of the odd positions pixel of the first row pixel unit L1
It will be greater than the display brightness of the even number position pixel of the first row pixel unit L1；Correspondingly, if the partial pressure of first resistor string output
Voltage is less than the branch pressure voltage of second resistance string, then the display brightness of the odd positions pixel of the first row pixel unit L1 will be less than
The display brightness of the even number position pixel of the first row pixel unit L1.
After the first row pixel unit L1 drives, timing controller 220 enters the second timing cycles, driving chip
210 start to drive the second row pixel unit, and the branch pressure voltage of first resistor string that exports of driving chip 210 for drive this
Even number position pixel S2, S4, S6 ... S (2n) of two row pixel unit L2, point for the second resistance string that driving chip 210 exports
Piezoelectricity pressure is for driving odd positions pixel S1, S3, S5 ... S (2n-1) of the second row pixel unit L2, due to the first electricity
The output branch pressure voltage of resistance string and second resistance string is not identical, then the odd positions pixel and even bit of the second row pixel unit L2
Set that brightness shown by pixel is also different, if the branch pressure voltage of first resistor string output is greater than the branch pressure voltage of second resistance string,
Then the display brightness of the even number position pixel of the second row pixel unit L2 will be greater than the odd positions picture of the second row pixel unit L2
The display brightness of element；Correspondingly, if first resistor string output branch pressure voltage be less than second resistance string branch pressure voltage, second
The display brightness of the even number position pixel of row pixel unit L2 is shown the odd positions pixel less than the second row pixel unit L2
Show brightness.
Then according to above-mentioned analysis, if the branch pressure voltage of first resistor string output is greater than the branch pressure voltage of second resistance string,
The brightness of the odd positions pixel of the first row pixel unit L1 will be greater than the brightness of even number position pixel, and the second row pixel unit
The brightness of the odd positions pixel of L2 is then less than the brightness of even number position pixel.
After the completion of whole pixel units drive line by line, the brightness of the pixel unit of display panel 100 shows situation such as Fig. 5
Shown, dash area indicates that display brightness is smaller in figure.After then driving display panel 100 by the above method, realize adjacent
The effect of the bright dark interlaced display of row respective pixel, solves the problems, such as the colour cast at big visual angle.
Another embodiment
The present embodiment and the difference of a upper embodiment are that the driving chip 210 is also used to the first resistor string,
The branch pressure voltage of two resistance strings output exports after amplifying processing to pixel unit described in each row.
The enhanced processing process is power amplification processing, then according to the size of the required driving voltage of each pixel, progress phase
It should amplify, achieve the effect that preferably, more precisely to drive.
Another embodiment
Similarly, based on the same inventive concept, the embodiment of the invention also provides a kind of display device, the display device packets
The driving device 200 of display panel 100 and above-mentioned display panel 100 is included, which includes several row pixel units
L1, L2, L3 ... Ln, every one-row pixels unit L are made of several pixels S1, S2, S3 ... Sn；The driving device 200 is used
In each row pixel unit for driving the display panel 100 line by line.The structure of the driving device 200 of the display panel 100, work are former
Reason and brought beneficial effect, with reference to the foregoing embodiments, details are not described herein.
In the present embodiment, display panel includes but is not limited to liquid crystal display panel, organic LED display panel, field
Emit display panel, Plasmia indicating panel, curved face type panel, the liquid crystal display panel includes thin film transistor liquid crystal display face
Plate, TN panel, VA class panel, IPS panel etc..
The above description is only a preferred embodiment of the present invention, is not intended to limit the scope of the invention, all at this
Under the inventive concept of invention, using equivalent structure transformation made by description of the invention and accompanying drawing content, or directly/use indirectly
It is included in other related technical areas in scope of patent protection of the invention.
Claims (10)
1. a kind of driving method of display panel, which is characterized in that the display panel includes several row pixel units, every a line
Pixel unit is made of several pixels, the driving method the following steps are included:
Receive display drive signals；
The display drive signals are loaded respectively on first resistor string and second resistance string, and export first resistor respectively
String, the corresponding ohmically branch pressure voltage of second resistance string；
Pixel unit described in each row is driven line by line according to timing cycles, so that the branch pressure voltage and the of first resistor string output
The odd positions pixel and even bit of pixel unit described in the branch pressure voltage difference driven adjacent rows of two resistance strings output
Set pixel.
2. the driving method of display panel as described in claim 1, which is characterized in that described to be driven line by line according to timing cycles
Pixel unit described in each row, and the branch pressure voltage difference of the branch pressure voltage of first resistor string output and the output of second resistance string
The step of odd positions pixel and even number position pixel of pixel unit described in driven adjacent rows specifically:
In previous timing cycles, the odd positions picture of the branch pressure voltage driving previous row pixel unit of first resistor string output
Element, the even number position pixel of the branch pressure voltage driving previous row pixel unit of second resistance string output；
In latter timing cycles, the even number position picture of one-row pixels unit after the branch pressure voltage driving of first resistor string output
Element, the odd positions pixel of one-row pixels unit after the branch pressure voltage driving of second resistance string output.
3. the driving method of display panel as described in claim 1, which is characterized in that each resistance on the first resistor string
Resistance value it is equal, the resistance value of each resistance on the second resistance string is equal；And each resistance on the first resistor string
Resistance value and each resistance on the second resistance string resistance value it is unequal.
4. the driving method of display panel as claimed any one in claims 1 to 3, which is characterized in that it is described will be described
Display drive signals are loaded respectively on first resistor string and second resistance string, and export first resistor string, second resistance respectively
Go here and there corresponding ohmically branch pressure voltage the step of after further include:
The branch pressure voltage that the first resistor string, second resistance string export is amplified into processing.
5. a kind of driving device of display panel, which is characterized in that the display panel includes several row pixel units, every a line
Pixel unit is made of several pixels, and the driving device includes:
Driving chip, including first resistor string and second resistance string, the first resistor string, the output end of second resistance string and each
The row pixel unit connection, the driving chip distinguish the display drive signals for receiving display drive signals
It is ohmically point corresponding to export first resistor string, second resistance string on first resistor string and second resistance string respectively for load
Piezoelectricity pressure；And the branch pressure voltage of the first resistor string output and the branch pressure voltage of second resistance string output distinguish driven phase
The odd positions pixel and even number position pixel of pixel unit described in adjacent two rows；
Timing controller, the output end of the timing controller are connect with the control terminal of the driving chip, the timing
Control chip controls the driving chip and drives each row institute line by line according to timing cycles for providing the timing control signal in period
State pixel unit.
6. the driving device of display panel as claimed in claim 5, which is characterized in that in the previous timing of timing control signal
In period, the branch pressure voltage of first resistor string output drives the odd positions pixel of previous row pixel unit, and second resistance string is defeated
The even number position pixel of branch pressure voltage driving previous row pixel unit out；
In the latter timing cycles of timing control signal, one-row pixels unit after the branch pressure voltage driving of first resistor string output
Even number position pixel, second resistance string output branch pressure voltage driving after one-row pixels unit odd positions pixel.
7. the driving device of display panel as claimed in claim 6, which is characterized in that the timing control signal includes several
A failing edge, adjacent two failing edge are a timing cycles.
8. the driving device of display panel as claimed in claim 5, which is characterized in that each resistance on the first resistor string
Resistance value it is equal, the resistance value of each resistance on the second resistance string is equal；And each resistance on the first resistor string
Resistance value and each resistance on the second resistance string resistance value it is unequal.
9. the driving device of the display panel as described in any one of claim 5 to 8, which is characterized in that the driving chip
Output is to described in each row after being also used to the branch pressure voltage that the first resistor string, second resistance string export amplifying processing
Pixel unit.
10. a kind of display device, which is characterized in that the display device includes any in display panel and such as claim 5 to 9
Described in display panel driving device, the display panel includes several row pixel units, if every one-row pixels unit by
Dry pixel is constituted；The driving device is used to drive each row pixel unit of the display panel line by line.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811398534.9A CN109308867A (en) | 2018-11-22 | 2018-11-22 | The driving method and its driving device of display panel, display device |
| PCT/CN2018/122137 WO2020103255A1 (en) | 2018-11-22 | 2018-12-19 | Display panel driving method and driving device, and display device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811398534.9A CN109308867A (en) | 2018-11-22 | 2018-11-22 | The driving method and its driving device of display panel, display device |
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| CN109308867A true CN109308867A (en) | 2019-02-05 |
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| CN201811398534.9A Pending CN109308867A (en) | 2018-11-22 | 2018-11-22 | The driving method and its driving device of display panel, display device |
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| WO (1) | WO2020103255A1 (en) |
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| WO2020103255A1 (en) | 2020-05-28 |
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