CN103794179B - A kind of OLED driving method and device - Google Patents
A kind of OLED driving method and device Download PDFInfo
- Publication number
- CN103794179B CN103794179B CN201410079293.7A CN201410079293A CN103794179B CN 103794179 B CN103794179 B CN 103794179B CN 201410079293 A CN201410079293 A CN 201410079293A CN 103794179 B CN103794179 B CN 103794179B
- Authority
- CN
- China
- Prior art keywords
- row
- pixel
- driver
- view data
- driving
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Abstract
The invention discloses a kind of OLED driving method and device, the method main first by view data stored in frame memory, then performance analysis is carried out to every frame image data, the feature whether identical according to each row view data produces corresponding driver' s timing and by the line number correction image data of going together mutually, finally by row, column driver, row that in a two field picture, data are identical is driven via storage capacitors simultaneously and lights.Because the lighting time within the frame period is extended, drive level is lowered, thus the requirement reduced when not affecting OLED display mean flow rate peak luminescence brightness, and this programme reduces the requirement to the brightness of OLED element peak luminescence, the life-span of OLED element can be improved significantly, simultaneously due to the reduction of drive level, the power consumption of OLED display can also be reduced; Or when not affecting brightness, life-span, power consumption, more large scale, more high-resolution PMOLED product can be made.
Description
Technical field
The invention belongs to OLED display technique field, be specifically related to the design of a kind of OLED driving method and device.
Background technology
In flat panel display, many merits such as Organic Light Emitting Diode (OLED) display is frivolous with it, active illuminating, fast-response speed, wide viewing angle, rich color and high brightness, low-power consumption, high-low temperature resistant and to be known as by industry be third generation display technique after LCD, but at present the life-span of OLED no more than LCD.The life-span of improving OLED is the problem that industry continues to study always, especially PMOLED(passive-matrix OLED), because conventional drive method adopts order scanning line by line, every row lighting time very short (namely so-called driving dutycycle is very little) in a two field picture cycle, reach required display mean flow rate, require that the peak luminescence brightness of often row pixel is very high, the such as display of 100 row pixels, if mean flow rate will reach 100cd/m2, then the peak luminescence brightness requirement of pixel is up to 10000cd/m2, so high luminosity easily causes OLED element quick aging thus reduces the OLED life-span, and high-brightness luminous needs higher driving voltage, which increases the power consumption of OLED display, on the other hand, if increase the size of display and improve number of lines of pixels, then need higher pixel peak luminescence brightness because driving dutycycle to reduce further, the sharply deterioration of display life and power consumption will be caused, therefore in order in brightness, life-span, power consumption and compromise between screen size and resolution, PMOLED can only make the product of small size, low resolution, and its application is limited to.Research shows, if make its luminosity reduce by the driving voltage reducing OLED element, can extend the life-span of OLED element significantly, and such as the peak luminescence brightness of OLED element is reduced half, its life-span can improve 4 times.But with the driving method of aforementioned conventional, reduce the peak brightness of OLED element, the mean flow rate of OLED display certainly will be reduced, sacrifice display effect.
Summary of the invention
The object of the invention is between display brightness and serviceable life, to there is the problem of contradiction to solve OLED display in prior art and propose a kind of OLED driving method and device.
Technical scheme of the present invention is: a kind of OLED driving method, specifically comprises:
S1, raw image data is temporarily stored in frame memory, reads the every two field picture in frame memory by data processor and analyze line by line, finding out the pixel column that in every two field picture, view data Data1 is identical;
S2, data processor according to the size of the line number correction image data Data1 of pixel column identical in every two field picture, and by revised view data Data2 again stored in frame memory;
The line number of pixel column identical in every two field picture that S3, time schedule controller obtain according to data processor for analysis produces the driver' s timing of corresponding every two field picture, and control lines driver exports sweep signal to every row pixel display unit needs to drive the pixel column lighted to choose; View data Data2 is transferred to row driver by control frame storer simultaneously, by row driver output image driving data extremely often row pixel display unit.
Further, if the view data of certain pixel column is all not identical with other arbitrary row in a two field picture, then the view data of this pixel column and driving time remain unchanged;
If when having view data to be the pixel of 0 in a line image, only carry out computational analysis to non-zero pixel, no matter the driving time of this row has unchanged, and original digital image data is the driving data of the pixel of 0 is still 0;
If the line number of the pixel column that the view data of respective column is identical is p in a two field picture, the view data of its same column is D
n;
When
and
during for integer, described d be according to the OLED characteristics of luminescence preset view data constant, then with
respectively arrange revised view data Data2 stored in frame memory as this p capable same pixel row, the driving time of control lines driver to the capable same pixel row of this p is set as pT by time schedule controller simultaneously
h, described T
hfor line period, the driving data exported to each row pixel display unit by row driver is
When
and
during for non-integer, then first with
respectively arrange revised view data Data2 stored in frame memory as this p capable same pixel row, control lines driver sets the driving time of the capable same pixel row of this p by time schedule controller simultaneously
the driving data exported to each row pixel display unit by row driver is
again with
respectively arrange revised view data Data2 stored in frame memory as this p capable same pixel row, time schedule controller is by the driving time setting 1T of control lines driver to the capable same pixel row of this p simultaneously
h, the driving data exported to each row pixel display unit by row driver is
wherein, described symbol " [] " expression rounds;
When
and D
nwhen ≠ 0, obtain and make
minimum q, then first with
respectively arrange revised view data Data2 stored in frame memory as this p capable same pixel row, time schedule controller is by control lines driver driving time setting (p-q) T to the capable same pixel row of this p simultaneously
h, the driving data exported to each row pixel display unit by row driver is
again with
respectively arrange revised view data Data2 stored in frame memory as this p capable same pixel row, time schedule controller is by the driving time setting 1T of control lines driver to the capable same pixel row of this p simultaneously
h, the driving data exported to each row pixel display unit by row driver is
When
and do not meet
q time, then first with D
nrespectively arrange revised view data Data2 stored in frame memory as this p capable same pixel row, time schedule controller is by the driving time setting 1T of control lines driver to the capable same pixel row of this p simultaneously
h, be D by row driver to the driving data that each row pixel display unit exports
n; Respectively arrange revised view data Data2 stored in frame memory using 0 as this p capable same pixel row again, time schedule controller is by control lines driver driving time setting (p-1) T to the capable same pixel row of this p simultaneously
h, be 0 by row driver to the driving data that each row pixel display unit exports.
Further, when the line number p value of the identical pixel column of described view data is greater than preset value, then described p value is split as the pixel column being less than p and drives.
Simultaneously, for technical solution problem present invention also offers a kind of OLED drive unit, comprise: frame memory, data processor, time schedule controller, line driver, row driver and pixel display unit, described frame memory is used for the raw image data of temporary input; Described data processor is connected with frame memory, time schedule controller, analyze line by line for every two field picture of reading in frame memory, find out the pixel column that in every two field picture, view data Data1 is identical, and for the size of the line number correction image data Data1 according to pixel column identical in every two field picture, and by revised view data Data2 again stored in frame memory;
Described time schedule controller is connected with line driver, frame memory, line number for pixel column identical in every two field picture of obtaining according to data processor for analysis produces the driver' s timing of corresponding every two field picture, and control lines driver exports scanning address signal needs to drive the pixel column lighted to every row pixel display unit to choose, and for control frame storer, view data Data2 being transferred to row driver simultaneously, described row driver output image driving data is row pixel display unit extremely often.
Beneficial effect of the present invention: a kind of OLED driving method of the present invention and device, by the performance analysis to every frame image data, the pixel column identical to data in a two field picture have employed lower driving voltage and longer driving lighting time drives simultaneously, do not change picture frame period, but dynamically improve the driving dutycycle of same pixel row, thus when not affecting OLED display mean flow rate, the life-span of OLED can be improved and reduce power consumption, or in same brightness, life-span, when power consumption, more large scale can be made, more high-resolution PMOLED product.
Accompanying drawing explanation
Fig. 1 is the system flow block diagram of a kind of OLED driving method of the embodiment of the present invention;
Fig. 2 is the system architecture schematic diagram of a kind of OLED driving method of the embodiment of the present invention;
Fig. 3 is the process flow diagram of the concrete computation process of a kind of OLED driving method of the embodiment of the present invention;
Fig. 4 is driver' s timing schematic diagram when showing certain two field picture in a kind of OLED driving method of the embodiment of the present invention;
Fig. 5 a is that a kind of OLED driving method of the embodiment of the present invention is for showing the driving example of letter e;
Fig. 5 b is that a kind of OLED driving method of the embodiment of the present invention is for showing the driving example of letter e;
Fig. 5 c is that a kind of OLED driving method of the embodiment of the present invention is for showing the driving example of letter e;
Fig. 5 d is that a kind of OLED driving method of the embodiment of the present invention is for showing the driving example of letter e.
Embodiment
Below in conjunction with accompanying drawing and specific embodiment, the invention will be further elaborated.
Be illustrated in figure 1 the system flow block diagram of a kind of OLED driving method of the embodiment of the present invention, specifically comprise:
S1, raw image data is temporarily stored in frame memory, reads the every two field picture in frame memory by data processor and analyze line by line, finding out the pixel column that in every two field picture, view data Data1 is identical;
S2, data processor according to the size of the line number correction image data Data1 of pixel column identical in every two field picture, and by revised view data Data2 again stored in frame memory;
The line number of pixel column identical in every two field picture that S3, time schedule controller obtain according to data processor for analysis produces the driver' s timing of corresponding every two field picture, and control lines driver exports sweep signal to every row pixel display unit needs to drive the pixel column lighted to choose; View data Data2 is transferred to row driver by control frame storer simultaneously, by row driver output image driving data extremely often row pixel display unit.
Wherein, described line driver output sweep signal extremely often row pixel display unit needs to drive the pixel column lighted to choose, its time of lighting is driving time, and described row driver output image driving data to the process of every row pixel display unit is all the common practise of those skilled in the art, but driving data and the prior art of the driving time that the line driver in the present invention exports and row driver output have difference, and it specifically should carry out analytical calculation according to every frame image data.
Simultaneously, for above-mentioned OLED driving method, the present patent application scheme additionally provides a kind of OLED drive unit, comprise: frame memory, data processor, time schedule controller, line driver, row driver and pixel display unit, described frame memory is used for the raw image data of temporary input; Described data processor is connected with frame memory, time schedule controller, analyze line by line for every two field picture of reading in frame memory, find out the pixel column that in every two field picture, view data Data1 is identical, and for the size of the line number correction image data Data1 according to pixel column identical in every two field picture, and by revised view data Data2 again stored in frame memory;
Described time schedule controller is connected with line driver, frame memory, line number for pixel column identical in every two field picture of obtaining according to data processor for analysis produces the driver' s timing of corresponding every two field picture, and control lines driver exports scanning address signal needs to drive the pixel column lighted to every row pixel display unit to choose, and for control frame storer, view data Data2 being transferred to row driver simultaneously, described row driver output image driving data is row pixel display unit extremely often.
The present invention by first by view data stored in frame memory, and performance analysis is carried out to every frame image data, according to the corresponding driver' s timing of the whether identical generation of each pixel column view data also by the line number correction image data of same pixel row, finally by row, column driver, pixel column that in one two field picture, view data is identical is driven via storage capacitors simultaneously light, and its lighting time within the frame period is extended and drive level is lowered, thus reduce the requirement to peak luminescence brightness when not affecting OLED display mean flow rate; Because driving method of the present invention reduces the requirement to the brightness of OLED element peak luminescence, the life-span of OLED element can be improved significantly, simultaneously due to the reduction of drive level, the power consumption of OLED display can also be reduced, or when not affecting brightness, life-span, power consumption, more large scale, more high-resolution PMOLED product can be made.
In order to more a step describes technical solution of the present invention in detail, be described below in conjunction with the makeover process to view data Data1 of concrete different images frame and the line driver driving time to every row pixel display unit, its concrete process flow diagram as shown in Figure 3:
When display one two field picture, first comparative analysis is line by line carried out to temporary view data, search the pixel column that the view data of wherein all row is corresponding identical, with D
nrepresent the view data of arbitrary row on pixel column, p represents the line number of this group same pixel row, in practical operation, in a two field picture both may each row data all different, also may there is the row that multi-group data is identical respectively, such as data are D
nthe pixel column of 1 has p1 capable, and data are D
nthe pixel column of 2 has p2 capable, according to whether determining OLED driver' s timing with there is the identical Mobile state of view data.The p identical to data is capable, then presets a data constant d corresponding with gradation of image, and such as getting 10(preset constant d is in order to avoid revised driving data drops on low gray areas close to 0),
If the view data of certain pixel column is all not identical with other arbitrary row in a two field picture, then the view data of this pixel column and driving time remain unchanged; The view data D wherein driven
nwith driving time T
hconstantly refer to traditionally or driving data that OLED driving method of the prior art calculates and driving time, at this, the present invention is no longer described in detail.
If when in a two field picture, some row has view data to be the pixel of 0, only carry out computational analysis to non-zero pixel, the driving time after no matter changing is how many, and original digital image data is the driving data of the pixel of 0 is still 0;
If the line number of the pixel column that the view data of respective column is identical is p in a two field picture, the view data of its same column is D
n;
When
and
during for integer, described d is the view data constant preset according to the OLED characteristics of luminescence, and described preset constant d is in order to avoid revised driving data drops on low gray areas close to 0, then with
respectively arrange revised view data Data2 stored in frame memory as this p capable same pixel row, the driving time of control lines driver to the capable same pixel row of this p is set as pT by time schedule controller simultaneously
h, described T
hfor line period, the driving data exported to each row pixel display unit by row driver is
When
and
during for non-integer, then first with
respectively arrange revised view data Data2 stored in frame memory as this p capable same pixel row, control lines driver sets the driving time of the capable same pixel row of this p by time schedule controller simultaneously
the driving data exported to each row pixel display unit by row driver is
again with
respectively arrange revised view data Data2 stored in frame memory as this p capable same pixel row, time schedule controller is by the driving time setting 1T of control lines driver to the capable same pixel row of this p simultaneously
h, the driving data exported to each row pixel display unit by row driver is
wherein, described symbol " [] " expression rounds;
When
and D
nwhen ≠ 0, obtain and make
minimum q, then first with
respectively arrange revised view data Data2 stored in frame memory as this p capable same pixel row, time schedule controller is by control lines driver driving time setting (p-q) T to the capable same pixel row of this p simultaneously
h, the driving data exported to each row pixel display unit by row driver is
again with
respectively arrange revised view data Data2 stored in frame memory as this p capable same pixel row, time schedule controller is by the driving time setting 1T of control lines driver to the capable same pixel row of this p simultaneously
h, the driving data exported to each row pixel display unit by row driver is
When
and do not meet
q time, then first with D
nrespectively arrange revised view data Data2 stored in frame memory as this p capable same pixel row, time schedule controller is by the driving time setting 1T of control lines driver to the capable same pixel row of this p simultaneously
h, be D by row driver to the driving data that each row pixel display unit exports
n; Respectively arrange revised view data Data2 stored in frame memory using 0 as this p capable same pixel row again, time schedule controller is by control lines driver driving time setting (p-1) T to the capable same pixel row of this p simultaneously
h, be 0 by row driver to the driving data that each row pixel display unit exports.
Further, when the line number p value of the identical pixel column of described view data is greater than preset value, described preset value can set according to concrete actual conditions, thus the more impact of identical pixel column calculates when avoiding p value larger, described p value can be split as several pixel columns being less than p at this to drive, carry out decoupled method.
In order to be more convenient for, those skilled in the art can understand and implement said method, the driver' s timing schematic diagram adopting the method for the invention to show certain picture frame is shown below in conjunction with such as Fig. 4, wherein preset constant d value is 10, through the analysis to view data Data1, wherein R1 is capable all not identical with the view data of other each row, therefore this row carries out scanning addressing by conventional drive method, driving time is line period T
h, the driving data Data2 sending into row driver keeps constant with Data1; Ra, Rb two row data are identical, and 1/2 of each column data of this two row is all greater than data constant 10 and is integer, and therefore this two row is synchronously scanned driving, and driving time is line period T
h2 times, driving data Data2 is 1/2 of Data1; Rc ~ Rd totally 6 row data is identical, and 1/6 of each column data of this 6 row is all greater than 10 but 1/6 of some column data is not integer, therefore this 6 row is divided into two periods drives simultaneously, and wherein the driving time of the first period is line period T
h5 times, driving data Data2 adds 1 after 1/6 of Data1 rounds again, and the driving time of the second period is line period T
h, driving data Data2 is the difference of 5 times of Data1 and the first period driving data; Rn is capable not identical with the data of other each row yet, therefore this row also presses the driving method of conventional progressive scans addressing, and driving time is line period T
h, driving data Data2 keeps constant with Data1.As can be seen here, when completing the display of a two field picture, going together mutually because driving simultaneously, therefore decreasing scanning times, reducing driving data.
The driving example of a kind of OLED driving method of the present invention when showing letter " E " of white gravoply, with black engraved characters is adopted below by introducing in detail, assuming that image totally 18 row, the pixel data at each stroke place of letter " E " is 0, and other pixel data of background frame is 255, as shown in wherein Fig. 5 a.As pressed conventional drive method, need to line by line scan and just can complete the display of entire image for 18 times, and the peak brightness of white pixel reaches maximal value, because image large area pixel is in higher peak brightness, this will cause display screen power consumption comparatively large and very unfavorable to the screen life-span after long-term work.When adopting method described in this patent, first view data is analyzed, as seen wherein the 1st, 2,17,18 row are identical, each view data is 255; 3rd, 4,9,10,15,16 row are identical, and the data of the horizontal strokes place pixel of letter " E " are 0, and other pixel data is 255; 5th, 6,7,8,11,12,13,14 row are identical, and the data of the vertical stroke place pixel of letter " E " are 0, and other pixel data is 255.According to OLED driving method of the present invention, 3 scanning can complete the display of entire image, first time scanning drives the 1st simultaneously, 2,17,18 row, as shown in wherein Fig. 5 b; Second time scanning simultaneously drive the 3rd, 4,9,10,15,16 row, as shown in wherein Fig. 5 c; Third time scanning simultaneously drive the 5th, 6,7,8,11,12,13,14 row, as shown in wherein Fig. 5 d.Drive the 1st simultaneously, 2,17,18 row time, first drive with data 64 and light 3 line times, then drive with data 63 and light 1 line time; Simultaneously drive the 3rd, 4,9,10,15,16 row time, first drive and light 5 line times, the driving data of the background pixel of this 6 row is 43, the driving data of the horizontal strokes place pixel of letter " E " is 0, drive again and light 1 line time, the driving data of the background pixel of this 6 row is 40, and the driving data of the horizontal strokes place pixel of letter " E " is 0; Simultaneously drive the 5th, 6,7,8,11,12,13,14 row time, first drive and light 7 line times, the driving data of the background pixel of this 8 row is 32, the driving data of the vertical stroke place pixel of letter " E " is 0, drive again and light 1 line time, the driving data of the background pixel of this 8 row is 31, and the driving data of the vertical stroke place pixel of letter " E " is 0.As can be seen here, the peak brightness of pixel is greatly diminished, and is conducive to improving the life-span of display screen and reduces power consumption, and drives lighting time by corresponding prolongation due to it, and therefore the mean flow rate of image is constant.
Those of ordinary skill in the art will appreciate that; embodiment described here is to help reader understanding's principle of the present invention; should be understood to that protection scope of the present invention is not limited to so special statement and embodiment; according to the difference of " electric current---voltage---brightness " characteristic of actual OLED element; in order to not change the mean flow rate of image; to go together mutually the correspondent transform value between time and driving data simultaneously driven, be not limited to described in aforementioned driving method.Those of ordinary skill in the art can make various other various concrete distortion and combination of not departing from essence of the present invention according to these technology enlightenment disclosed by the invention, and these distortion and combination are still in protection scope of the present invention.
Claims (5)
1. an OLED driving method, specifically comprises:
S1, raw image data is temporarily stored in frame memory, reads the every two field picture in frame memory by data processor and analyze line by line, finding out the pixel column that in every two field picture, view data Data1 is identical;
S2, data processor according to the size of the line number correction image data Data1 of pixel column identical in every two field picture, and by revised view data Data2 again stored in frame memory;
The line number of pixel column identical in every two field picture that S3, time schedule controller obtain according to data processor for analysis produces the driver' s timing of corresponding every two field picture, and control lines driver exports sweep signal to every row pixel display unit needs to drive the pixel column lighted to choose; View data Data2 is transferred to row driver by control frame storer simultaneously, by row driver output image driving data extremely often row pixel display unit.
2. a kind of OLED driving method as claimed in claim 1, is characterized in that, if the view data of certain pixel column is all not identical with other arbitrary row in a two field picture, then the view data of this pixel column and driving time remain unchanged;
If when having view data to be the pixel of 0 in a line image, only carry out computational analysis to non-zero pixel, no matter the driving time of this row has unchanged, and original digital image data is the driving data of the pixel of 0 is still 0;
If the line number of the pixel column that the view data of respective column is identical is p in a two field picture, the view data of each row that view data is identical is D
n;
When
and
during for integer, described d be according to the OLED characteristics of luminescence preset view data constant, then with
respectively arrange revised view data Data2 stored in frame memory as this p capable same pixel row, the driving time of control lines driver to the capable same pixel row of this p is set as pT by time schedule controller simultaneously
h, described T
hfor line period, the driving data exported to each row pixel display unit by row driver is
When
and
during for non-integer, then first with
respectively arrange revised view data Data2 stored in frame memory as this p capable same pixel row, control lines driver sets the driving time of the capable same pixel row of this p by time schedule controller simultaneously
the driving data exported to each row pixel display unit by row driver is
again with
respectively arrange revised view data Data2 stored in frame memory as this p capable same pixel row, time schedule controller is by the driving time setting 1T of control lines driver to the capable same pixel row of this p simultaneously
h, the driving data exported to each row pixel display unit by row driver is
Wherein, described symbol " [] " expression rounds;
When
and D
nwhen ≠ 0, obtain and make
minimum q, then first with
respectively arrange revised view data Data2 stored in frame memory as this p capable same pixel row, time schedule controller is by control lines driver driving time setting (p-q) T to the capable same pixel row of this p simultaneously
h, the driving data exported to each row pixel display unit by row driver is
again with
respectively arrange revised view data Data2 stored in frame memory as this p capable same pixel row, time schedule controller is by the driving time setting 1T of control lines driver to the capable same pixel row of this p simultaneously
h, the driving data exported to each row pixel display unit by row driver is
When
and do not meet
q time, then first with D
nrespectively arrange revised view data Data2 stored in frame memory as this p capable same pixel row, time schedule controller is by the driving time setting 1T of control lines driver to the capable same pixel row of this p simultaneously
h, be D by row driver to the driving data that each row pixel display unit exports
n; Respectively arrange revised view data Data2 stored in frame memory using 0 as this p capable same pixel row again, time schedule controller is by control lines driver driving time setting (p-1) T to the capable same pixel row of this p simultaneously
h, be 0 by row driver to the driving data that each row pixel display unit exports.
3. a kind of OLED driving method as claimed in claim 2, is characterized in that, when the line number p value of the identical pixel column of described view data is greater than preset value, then described p value is split as the pixel column being less than p and drives.
4. an OLED drive unit, is characterized in that, comprising: frame memory, data processor, time schedule controller, line driver, row driver and pixel display unit, and described frame memory is used for the raw image data of temporary input; Described data processor is connected with frame memory, time schedule controller, analyze line by line for every two field picture of reading in frame memory, find out the pixel column that in every two field picture, view data Data1 is identical, and for the size of the line number correction image data Data1 according to pixel column identical in every two field picture, and by revised view data Data2 again stored in frame memory;
Described time schedule controller is connected with line driver, frame memory, line number for pixel column identical in every two field picture of obtaining according to data processor for analysis produces the driver' s timing of corresponding every two field picture, and control lines driver exports scanning address signal needs to drive the pixel column lighted to every row pixel display unit to choose, and for control frame storer, view data Data2 being transferred to row driver simultaneously, described row driver output image driving data is row pixel display unit extremely often.
5. a kind of OLED drive unit as claimed in claim 4, it is characterized in that, the image read in described data processor, if the view data of certain pixel column is all not identical with other arbitrary row in a two field picture, then the view data of this pixel column and driving time remain unchanged;
If when having view data to be the pixel of 0 in a line image, only carry out computational analysis to non-zero pixel, no matter the driving time of this row has unchanged, and original digital image data is the driving data of the pixel of 0 is still 0;
If the line number of the pixel column that the view data of respective column is identical is p in a two field picture, the view data of each row that view data is identical is D
n;
When
and
during for integer, described d be according to the OLED characteristics of luminescence preset view data constant, then with
respectively arrange revised view data Data2 stored in frame memory as this p capable same pixel row, the driving time of control lines driver to the capable same pixel row of this p is set as pT by time schedule controller simultaneously
h, described T
hfor line period, the driving data exported to each row pixel display unit by row driver is
When
and
during for non-integer, then first with
respectively arrange revised view data Data2 stored in frame memory as this p capable same pixel row, control lines driver sets the driving time of the capable same pixel row of this p by time schedule controller simultaneously
the driving data exported to each row pixel display unit by row driver is
again with
respectively arrange revised view data Data2 stored in frame memory as this p capable same pixel row, time schedule controller is by the driving time setting 1T of control lines driver to the capable same pixel row of this p simultaneously
h, the driving data exported to each row pixel display unit by row driver is
wherein, described symbol " [] " expression rounds;
When
and D
nwhen ≠ 0, obtain and make
minimum q, then first with
respectively arrange revised view data Data2 stored in frame memory as this p capable same pixel row, time schedule controller is by control lines driver driving time setting (p-q) T to the capable same pixel row of this p simultaneously
h, the driving data exported to each row pixel display unit by row driver is
again with
respectively arrange revised view data Data2 stored in frame memory as this p capable same pixel row, time schedule controller is by the driving time setting 1T of control lines driver to the capable same pixel row of this p simultaneously
h, the driving data exported to each row pixel display unit by row driver is
When
and do not meet
q time, then first with D
nrespectively arrange revised view data Data2 stored in frame memory as this p capable same pixel row, time schedule controller is by the driving time setting 1T of control lines driver to the capable same pixel row of this p simultaneously
h, be D by row driver to the driving data that each row pixel display unit exports
n; Respectively arrange revised view data Data2 stored in frame memory using 0 as this p capable same pixel row again, time schedule controller is by control lines driver driving time setting (p-1) T to the capable same pixel row of this p simultaneously
h, be 0 by row driver to the driving data that each row pixel display unit exports.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410079293.7A CN103794179B (en) | 2014-03-06 | 2014-03-06 | A kind of OLED driving method and device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410079293.7A CN103794179B (en) | 2014-03-06 | 2014-03-06 | A kind of OLED driving method and device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103794179A CN103794179A (en) | 2014-05-14 |
| CN103794179B true CN103794179B (en) | 2016-03-02 |
Family
ID=50669775
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410079293.7A Expired - Fee Related CN103794179B (en) | 2014-03-06 | 2014-03-06 | A kind of OLED driving method and device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103794179B (en) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP6713733B2 (en) * | 2015-06-23 | 2020-06-24 | ローム株式会社 | Timing controller, electronic device using the same, and image data processing method |
| TWI639991B (en) * | 2016-07-11 | 2018-11-01 | 茂達電子股份有限公司 | Led display device |
| CN107038998A (en) * | 2017-06-27 | 2017-08-11 | 芯颖科技有限公司 | Display driving method, device and system |
| CN108922470A (en) * | 2018-07-27 | 2018-11-30 | 北京京东方专用显示科技有限公司 | Picture element scan method, apparatus, display equipment and storage medium |
| CN109410837B (en) * | 2018-12-17 | 2020-12-04 | 深圳市华星光电半导体显示技术有限公司 | OLED driving chip and driving method thereof |
| CN109885220A (en) * | 2019-01-16 | 2019-06-14 | 信利光电股份有限公司 | A kind of display methods and device of touch-control display module |
| CN115207071A (en) * | 2022-07-25 | 2022-10-18 | 京东方科技集团股份有限公司 | Display panel and display device |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3995939A (en) * | 1974-02-06 | 1976-12-07 | Commissariat A L'energie Atomique | Method for controlling an optical characteristic of a material and an analog imager for carrying out said method |
| CN1137665A (en) * | 1994-12-26 | 1996-12-11 | 株式会社日立制作所 | Data electrode driving circuit, scanning electrode driving circuit, liquid, crystal display unit and method of driving the same |
| WO2000002185A1 (en) * | 1998-07-03 | 2000-01-13 | Seiko Epson Corporation | Liquid crystal driver, liquid crystal driving method, and liquid crystal display |
| CN1945679A (en) * | 2005-07-07 | 2007-04-11 | 东北先锋公司 | Drive apparatus and drive method for light-emitting display panel |
| CN101359441A (en) * | 2007-08-03 | 2009-02-04 | 索尼株式会社 | Display device and display method |
| CN101449315A (en) * | 2006-03-23 | 2009-06-03 | 剑桥显示技术公司 | Image processing systems |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2436390B (en) * | 2006-03-23 | 2011-06-29 | Cambridge Display Tech Ltd | Image processing systems |
-
2014
- 2014-03-06 CN CN201410079293.7A patent/CN103794179B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3995939A (en) * | 1974-02-06 | 1976-12-07 | Commissariat A L'energie Atomique | Method for controlling an optical characteristic of a material and an analog imager for carrying out said method |
| CN1137665A (en) * | 1994-12-26 | 1996-12-11 | 株式会社日立制作所 | Data electrode driving circuit, scanning electrode driving circuit, liquid, crystal display unit and method of driving the same |
| WO2000002185A1 (en) * | 1998-07-03 | 2000-01-13 | Seiko Epson Corporation | Liquid crystal driver, liquid crystal driving method, and liquid crystal display |
| CN1945679A (en) * | 2005-07-07 | 2007-04-11 | 东北先锋公司 | Drive apparatus and drive method for light-emitting display panel |
| CN101449315A (en) * | 2006-03-23 | 2009-06-03 | 剑桥显示技术公司 | Image processing systems |
| CN101359441A (en) * | 2007-08-03 | 2009-02-04 | 索尼株式会社 | Display device and display method |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103794179A (en) | 2014-05-14 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103794179B (en) | A kind of OLED driving method and device | |
| CN109285498B (en) | Display processing method, display processing device and display device thereof | |
| US20070063952A1 (en) | Driving methods and devices using the same | |
| US9305487B2 (en) | Organic light emitting diode display and method for driving display panel thereof | |
| CN1619606A (en) | Image display device | |
| CN1755779A (en) | Pixel circuit, display and driving method thereof | |
| US20110032283A1 (en) | Liquid crystal display device and driving method thereof | |
| CN100595824C (en) | Display drive circuit | |
| US10748502B2 (en) | Driving method of display panel and display device | |
| KR101492530B1 (en) | Liquid crystal display and driving method of the same | |
| US11024248B2 (en) | Driving device of a display panel and driving method thereof | |
| CN101110198A (en) | Driving device of plasma display panel and method of driving the same | |
| CN108417184B (en) | Display device and gray scale compensation method of display panel | |
| CN1790474A (en) | Display device and driving method thereof | |
| KR20110106179A (en) | Method of dimming backlight assembly | |
| CN104299574A (en) | Automatic current limiting method for OLED (Organic Light Emitting Diode) display driving device | |
| CN105118457A (en) | Flickering correction method and device for display panel | |
| US20140292820A1 (en) | Image control display device and image control method | |
| CN110599938B (en) | Display panel and picture display method | |
| CN103177683B (en) | Display device and displaying panel driving method thereof | |
| US20160035301A1 (en) | Active matrix display with adaptive charge sharing | |
| KR101980596B1 (en) | Driver ic apparatus including correction function | |
| US8643682B2 (en) | Method for driving a light source, light source apparatus for performing the method and display apparatus having the light source apparatus | |
| CN110827733A (en) | Display method and display device for display panel | |
| CN1755777A (en) | Display device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160302 Termination date: 20210306 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |