CN101777314A - Two-dimensional display and drive method thereof - Google Patents
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Abstract
The invention relates to a two-dimensional display and a drive method thereof. The two-dimensional display is provided with a plurality of pixels which at least comprise a first pixel and a second pixel. The drive method for the two-dimensional display comprises the following steps of: driving the first pixel according to a first grey value in a first subframe period of a frame period and driving the second pixel according to a second grey value; and driving the first pixel according to a third grey value in a second subframe period of the frame period and driving the second pixel according to a fourth grey value, wherein the first grey value is less than the third grey value; the average value of the first grey value and the third grey value is equal to a first target grey value; the second grey value is more than the fourth grey value; and the average value of the second grey value and the fourth grey value is equal to a second target grey value.
Description
Technical field
The present invention relates to a kind of flat-panel screens and driving method thereof, and be particularly related to a kind of flat-panel screens and driving method thereof that can solve image frame flicker problem.
Background technology
For LCD, solve because fuzzy (motion blur) problem of employing freeze mode (hold type) dynamic image that driving method caused is the problem that each company made great efforts in recent years.Wherein, pulsed drive (impulse-driving) method is exploitation solution for many years.
Pulse drive method is to insert black picture on each frame period period ground of dynamic image, thus can reduce the time that the image in former frame cycle persists effectively in human eye, thus alleviate the dynamic image fuzzy problem.Yet, shorten owing to insert the black picture transmittance time during each frame period that makes, thus the LCD of pulse drive method adopted, though the brightness of its pixel can reach the effect of pulsed output, but its pixel ensemble average brightness declines to a great extent, and causes its practicality greatly to reduce.
Developed super pulsed drive (super impulse-driving) method afterwards again and made the problem that the brightness of pixel ensemble average significantly reduces to solve pulse drive method.Super pulse drive method earlier before each frame period the semiperiod drive corresponding pixel with low gray-scale value less than target gray value, drive corresponding pixel in the later half cycle with high gray-scale value again greater than target gray value.Wherein, the mean value of low gray-scale value and high gray-scale value equals target gray value, to keep the brightness of pixel ensemble average.
Yet, in super pulse drive method, though generally speaking, the brightness of pixel can reach the effect of pulsed output, and keep the brightness of pixel ensemble average, but the gray value differences between the low gray-scale value of the preceding semiperiod in each frame period and the high gray-scale value in later half cycle but can cause image frame to produce the phenomenon of flicker (flicker) in the single frame period, influences the quality of final image picture.
Summary of the invention
The present invention relates to a kind of flat-panel screens and driving method thereof, utilize to change the sequential of super pulse drive method, keeping flat-panel screens pixel ensemble average brightness under super pulsed drive pattern, and solve the problem of image frame flicker.
According to a first aspect of the invention, propose a kind of flat-panel screens, comprise pel array, data-driven unit and scan drive cell.Pel array has a plurality of pixels, and described a plurality of pixels comprise first pixel and second pixel at least.The data-driven unit is used to drive described a plurality of pixel.Scan drive cell is used for the described a plurality of pixels of activation.Wherein, in first period of sub-frame in a frame period, the data-driven unit drives first pixel according to first gray-scale value, and drives second pixel according to second gray-scale value.Wherein, in second period of sub-frame in a described frame period, the data-driven unit drives first pixel according to the 3rd gray-scale value, and drives second pixel according to the 4th gray-scale value.First gray-scale value is less than the 3rd gray-scale value, and the mean value of first gray-scale value and the 3rd gray-scale value equals first target gray value.Second gray-scale value is greater than the 4th gray-scale value, and the mean value of second gray-scale value and the 4th gray-scale value equals second target gray value.And first gray-scale value and the 4th gray-scale value can be black picture signals.
According to a second aspect of the invention, propose a kind of planar display driving method, flat-panel screens has a plurality of pixels, and described a plurality of pixels comprise first pixel and second pixel at least.Planar display driving method comprises, at first, in first period of sub-frame in a frame period, drives first pixel according to first gray-scale value, and drives second pixel according to second gray-scale value.Afterwards, in second period of sub-frame in a described frame period, drive first pixel, and drive second pixel according to the 4th gray-scale value according to the 3rd gray-scale value.Wherein, first gray-scale value is less than the 3rd gray-scale value, and the mean value of first gray-scale value and the 3rd gray-scale value equals first target gray value, and second gray-scale value is greater than the 4th gray-scale value, and the mean value of second gray-scale value and the 4th gray-scale value equals second target gray value.And first gray-scale value and the 4th gray-scale value can be black picture signals.
According to a third aspect of the invention we, a kind of planar display driving method is proposed, comprise, at first, relatively whether first target gray value of first pixel and the second target gray scale of second pixel equal first previous target gray value of first pixel and the second previous target gray value of second pixel respectively.First target gray value and second target gray value are corresponding to current frame period, and the first previous target gray value and the second previous target gray value are corresponding to the previous frame cycle.Then, if first target gray value and second target gray value are not equal to the first previous target gray value and the second previous target gray value respectively, then in first period of sub-frame of current frame period, drive first pixel according to first gray-scale value of overdriving, and drive second pixel according to second gray-scale value of overdriving.Then,, drive first pixel, and drive second pixel according to the 4th gray-scale value of overdriving according to the 3rd gray-scale value of overdriving in second period of sub-frame of current frame period.Wherein, first the overdrive mean value of gray-scale value of gray-scale value and the 3rd of overdriving equals first target gray-scale value of overdriving, second the overdrive mean value of gray-scale value of gray-scale value and the 4th of overdriving equals second target gray-scale value of overdriving, first target is overdrived gray-scale value corresponding to the first previous target gray value and first target gray value, and second target is overdrived gray-scale value corresponding to the second previous target gray value and second target gray value.Wherein, first overdrives gray-scale value in fact less than the 3rd gray-scale value of overdriving, and second overdrives gray-scale value in fact greater than the 4th gray-scale value of overdriving.
For allowing foregoing of the present invention become apparent more, preferred embodiment cited below particularly, and conjunction with figs. are described in detail below:
Description of drawings
Figure 1 shows that calcspar according to the flat-panel screens of the preferred embodiment of the present invention;
Figure 2 shows that process flow diagram according to an example of the planar display driving method of the preferred embodiment of the present invention;
Fig. 3 A is depicted as the synoptic diagram according to an example of the pixel of the flat-panel screens of the preferred embodiment of the present invention;
Fig. 3 B is depicted as the synoptic diagram according to another example of the pixel of the flat-panel screens of the preferred embodiment of the present invention;
Fig. 3 C is depicted as the synoptic diagram of an example again according to the pixel of the flat-panel screens of the preferred embodiment of the present invention;
Fig. 3 D is depicted as the synoptic diagram according to the another example of the pixel of the flat-panel screens of the preferred embodiment of the present invention;
Figure 4 shows that process flow diagram according to another example of the planar display driving method of the preferred embodiment of the present invention;
Fig. 5 A is depicted as the synoptic diagram according to an example of the pixel of the flat-panel screens of the preferred embodiment of the present invention;
Fig. 5 B is depicted as the synoptic diagram according to another example of the pixel of the flat-panel screens of the preferred embodiment of the present invention;
Fig. 5 C is depicted as the synoptic diagram of an example again according to the pixel of the flat-panel screens of the preferred embodiment of the present invention; And
Fig. 5 D is depicted as the synoptic diagram according to the another example of the pixel of the flat-panel screens of the preferred embodiment of the present invention.
[primary clustering symbol description]
100: flat-panel screens
110: pel array
120: the data-driven unit
130: scan drive cell
310,320,510,520: pixel
Embodiment
The invention provides a kind of flat-panel screens and driving method thereof, utilize and change the order of hanging down gray-scale value and high gray-scale value in the super pulse drive method, make flat-panel screens under super pulsed drive pattern, not only can keep the brightness of pixel ensemble average, and also can solve the problem of image frame flicker.
With reference to Fig. 1, it is depicted as the calcspar according to the flat-panel screens of the preferred embodiment of the present invention.Flat-panel screens 100 for example is a LCD, and it comprises pel array 110, data-driven unit 120 and scan drive cell 130.Pel array 110 has a plurality of pixels (not shown), and these pixels comprise first pixel and second pixel at least.First pixel and second pixel can be adjacent, also can be non-conterminous.Data-driven unit 120 is used to drive pixel, and scan drive cell 130 is used for the activation pixel.Wherein, the display mode of flat-panel screens 100 is essentially super pulsed drive pattern.
In conjunction with reference to Fig. 2, it is depicted as the process flow diagram according to an example of the planar display driving method of the preferred embodiment of the present invention.At first, in step 210, in first period of sub-frame of a frame period (frame period), data-driven unit 120 drives first pixel according to first gray-scale value, and drives second pixel according to second gray-scale value.Then, in second period of sub-frame in a described frame period, data-driven unit 120 drives first pixel according to the 3rd gray-scale value, and drives second pixel according to the 4th gray-scale value.Wherein, first gray-scale value is less than the 3rd gray-scale value, and the mean value of first gray-scale value and the 3rd gray-scale value equals first target gray value, and second gray-scale value is greater than the 4th gray-scale value, and the mean value of second gray-scale value and the 4th gray-scale value equals second target gray value.
With reference to Fig. 3 A, it is depicted as the synoptic diagram according to an example of the pixel of the flat-panel screens of the preferred embodiment of the present invention.In Fig. 3 A, pixel 310 is for example corresponding to first target gray value 60, and pixel 320 is for example corresponding to second target gray value 90.At first, in first period of sub-frame, data-driven unit 120 drives pixel 310 according to gray-scale value 50, and drives pixel 320 according to gray-scale value 100.Then, in second period of sub-frame, data-driven unit 120 drives pixel 310 according to gray-scale value 70, and drives pixel 320 according to gray-scale value 80.
Thus, gray-scale value 50 is less than gray-scale value 70, and the mean value of gray-scale value 50 and gray-scale value 70 equals first target gray value 60.Gray-scale value 100 is greater than gray-scale value 80, and the mean value of gray-scale value 100 and gray-scale value 80 equals second target gray value 90.So the brightness of pixel 310 and pixel 320 not only reaches the effect of pulsed output, and keeps ensemble average brightness.In addition, pixel 310 and pixel 320 equate at the overall brightness of first period of sub-frame and second period of sub-frame respectively, have solved the problem of image frame flicker.In addition, if first target gray value equals second target gray value, then in the frame period, the dynamic menu response curve of pixel 310 (motion picture response curve, MPRC) the dynamic menu response curve with pixel 320 is identical, so response speed of liquid crystal can't be slack-off because of type of drive of the present invention.
In Fig. 3 A, be that example is explained only, yet be not limited to this with adjacent pixels 310 and pixel 320.With reference to Fig. 3 B, it is depicted as the synoptic diagram according to another example of the pixel of the flat-panel screens of the preferred embodiment of the present invention.In Fig. 3 B, drive the first row pixel C1 in first period of sub-frame with low gray-scale value (L), and drive secondary series pixel C2 with high gray-scale value (H) greater than target gray value less than target gray value.Then, drive the first row pixel C1 with high gray-scale value (H), and drive secondary series pixel C2 with low gray-scale value (L) less than target gray value greater than target gray value in second period of sub-frame.Wherein, the mean value of low gray-scale value and high gray-scale value equals target gray value.
With reference to Fig. 3 C, it is depicted as the synoptic diagram of an example again according to the pixel of the flat-panel screens of the preferred embodiment of the present invention.In Fig. 3 C, drive the first row pixel R1 in first period of sub-frame with low gray-scale value (L), and drive the second row pixel R2 with high gray-scale value (H).Then, drive the first row pixel R1 with high gray-scale value (H), and drive the second row pixel R2 with low gray-scale value (L) in second period of sub-frame.With reference to Fig. 3 D, it is depicted as the synoptic diagram according to the another example of the pixel of the flat-panel screens of the preferred embodiment of the present invention.In Fig. 3 D,, drive all pixels alternately with low gray-scale value (L) and high gray-scale value (H) in different period of sub-frame and different positions.
In fact, the present invention is not limited to and must drives pel array 110 with specific pattern (pattern).In addition, though first period of sub-frame: second period of sub-frame is essentially 1: 1, and also promptly with two times of frame updating frequency drives pel arrays 110, yet the present invention is not limited to this.As long as in pel array 110, all pixels equal the ensemble average brightness of all pixels in second period of sub-frame in fact in the ensemble average brightness of first period of sub-frame, promptly belong to scope of the present invention.
In addition, the present invention is applicable to dynamic image picture and static picture image simultaneously.With reference to Fig. 4, it is depicted as the process flow diagram according to another example of the planar display driving method of the preferred embodiment of the present invention.At first, in step 410, relatively whether first target gray value of first pixel and the second target gray scale of second pixel equal first previous target gray value of first pixel and the second previous target gray value of second pixel respectively.Wherein, first target gray value and second target gray value are corresponding to current frame period, and the first previous target gray value and the second previous target gray value are corresponding to the previous frame cycle.
If first target gray value and second target gray value are not equal to the first previous target gray value and the second previous target gray value respectively, then in step 420, first period of sub-frame in current frame period, drive first pixel according to first gray-scale value of overdriving, and drive second pixel according to second gray-scale value of overdriving.Then, in step 430,, drive first pixel, and drive second pixel according to the 4th gray-scale value of overdriving according to the 3rd gray-scale value of overdriving in second period of sub-frame of current frame period.Wherein, first the overdrive mean value of gray-scale value of gray-scale value and the 3rd of overdriving equals first target gray-scale value of overdriving, second the overdrive mean value of gray-scale value of gray-scale value and the 4th of overdriving equals second target gray-scale value of overdriving, first target gray-scale value of overdriving is tabled look-up according to the first previous target gray value and first target gray value in fact and is obtained, and table look-up and obtain in fact by the foundation second previous target gray value and second target gray value for gray-scale value and second target is overdrived.
If first target gray value and second target gray value equal the first previous target gray value and the second previous target gray value respectively, then in step 440, in first period of sub-frame of current frame period, drive first pixel according to first gray-scale value, and drive second pixel according to second gray-scale value.Then, in step 450, in second period of sub-frame of current frame period, drive first pixel, and drive second pixel according to the 4th gray-scale value according to the 3rd gray-scale value.Wherein, first gray-scale value is in fact less than the 3rd gray-scale value, and the mean value of first gray-scale value and the 3rd gray-scale value equals first target gray value, and second gray-scale value is in fact greater than the 4th gray-scale value, and the mean value of second gray-scale value and the 4th gray-scale value equals second target gray value.
Disclosed flat-panel screens of the foregoing description and driving method thereof are that display unit is that example is done explanation with a pixel all, yet are not limited to this.Single pixel comprises in fact that respectively the embodiment that it is display unit that so the present invention also can be applied to a sub-pixel, its principle of operation is specified in, no longer repeats at this in order to show three sub-pixels of r, g and b.
Disclosed flat-panel screens of the above embodiment of the present invention and driving method thereof, utilize the mode of super pulsed drive in fact, in first period of sub-frame in single frame period, the order of high gray-scale value behind the earlier low gray-scale value of pixel basis of part is driven, and the order of low gray-scale value behind the high gray-scale value of pixel basis elder generation of remainder is driven.Then, in second period of sub-frame in single frame period, with the pixel basis of part earlier behind the high gray-scale value order of low gray-scale value drive, and the order of high gray-scale value behind the earlier low gray-scale value of pixel basis of remainder is driven.Therefore, all pixels equal the ensemble average brightness of all pixels in second period of sub-frame in fact in the ensemble average brightness of first period of sub-frame in the flat-panel screens.Thus, flat-panel screens not only can be kept the brightness of pixel ensemble average under super pulsed drive pattern, and also can solve the problem of image frame flicker.
If implement the present invention under pulsed drive (impulse-driving) pattern, with reference to Fig. 5 A, it is depicted as the synoptic diagram according to an example of the pixel of the flat-panel screens of the preferred embodiment of the present invention.In Fig. 5 A, pixel 510 is for example corresponding to first target gray value 50, and pixel 520 is for example corresponding to second target gray value 90.At first, in first period of sub-frame, data-driven unit 120 drives pixel 510 according to black picture signal, and drives pixel 520 according to gray-scale value 180.Then, in second period of sub-frame, data-driven unit 120 drives pixel 510 according to gray-scale value 100, and drives pixel 520 according to black picture signal.
Thus, pixel 510 and pixel 520 not only reach the effect of pulsed output, and reduce the difference on the overall brightness of first period of sub-frame and second period of sub-frame, can lower the problem of image frame flicker effectively.
In Fig. 5 A, be to be that example is done explanation, yet be not limited to this with adjacent pixels 510 and pixel 520.With reference to Fig. 5 B, it is depicted as the synoptic diagram according to another example of the pixel of the flat-panel screens of the preferred embodiment of the present invention.In Fig. 5 B, drive the first row pixel C1 in first period of sub-frame with black picture signal, and drive secondary series pixel C2 with high gray-scale value (H) greater than target gray value.Then, drive the first row pixel C1 with high gray-scale value (H), and drive secondary series pixel C2 with black picture signal greater than target gray value in second period of sub-frame.Wherein, the mean value of black picture signal and high gray-scale value equals target gray value.
With reference to Fig. 5 C, it is depicted as the synoptic diagram of an example again according to the pixel of the flat-panel screens of the preferred embodiment of the present invention.In Fig. 5 C, drive the first row pixel R1 in first period of sub-frame with black picture signal, and drive the second row pixel R2 with high gray-scale value (H).Then, drive the first row pixel R1 with high gray-scale value (H), and drive the second row pixel R2 with black picture signal in second period of sub-frame.With reference to Fig. 5 D, it is depicted as the synoptic diagram according to the another example of the pixel of the flat-panel screens of the preferred embodiment of the present invention.In Fig. 5 D, be in different period of sub-frame and different positions, drive all pixels alternately with black picture signal and high gray-scale value (H).
In fact, the present invention is not limited to and must drives pel array 110 with specific pattern.In addition, though first period of sub-frame: second period of sub-frame is essentially 1: 1, also promptly with two times of frame updating frequency drives pel arrays 110, yet the invention is not restricted to this.As long as in the pel array 110, all pixels equal the ensemble average brightness of all pixels in second period of sub-frame in fact in the ensemble average brightness of first period of sub-frame, promptly belong to scope of the present invention.
In sum, though the present invention openly reveals as above with preferred embodiment, so it is not in order to limit the present invention.The persons of ordinary skill in the technical field of the present invention without departing from the spirit and scope of the present invention, can make various modifications and modification.Therefore, protection scope of the present invention should be as the criterion with the scope of appended claims.
Claims (18)
1. flat-panel screens comprises:
Pel array has a plurality of pixels, and described a plurality of pixels comprise first pixel and second pixel at least;
The data-driven unit is used to drive described a plurality of pixel; And
Scan drive cell is used for the described a plurality of pixels of activation;
Wherein, in first period of sub-frame in a frame period, described data-driven unit drives described first pixel according to first gray-scale value, and drives described second pixel according to second gray-scale value;
Wherein, second period of sub-frame in a described frame period, described data-driven unit drives described first pixel according to the 3rd gray-scale value, and foundation the 4th gray-scale value drives described second pixel, described first gray-scale value is less than described the 3rd gray-scale value, and the mean value of described first gray-scale value and described the 3rd gray-scale value equals first target gray value, and described second gray-scale value is greater than described the 4th gray-scale value, and the mean value of described second gray-scale value and described the 4th gray-scale value equals second target gray value.
2. flat-panel screens according to claim 1, wherein said a plurality of pixels equal the ensemble average brightness of described a plurality of pixel in described second period of sub-frame in fact in the ensemble average brightness of described first period of sub-frame.
3. flat-panel screens according to claim 1, if wherein described first target gray value equals described second target gray value, then in a described frame period, the dynamic menu response curve of described first pixel is identical with the dynamic menu response curve of described second pixel.
4. flat-panel screens according to claim 1, the display mode of wherein said flat-panel screens are super pulsed drive pattern.
5. flat-panel screens according to claim 1, wherein said first pixel is adjacent with described second pixel.
6. flat-panel screens according to claim 1, wherein said first pixel and described second pixel are non-conterminous.
7. flat-panel screens according to claim 1, wherein said first period of sub-frame: described second period of sub-frame is 1: 1.
8. flat-panel screens according to claim 1, wherein said first gray-scale value and the 4th gray-scale value are black picture signal.
9. planar display driving method, described flat-panel screens has a plurality of pixels, and described a plurality of pixels comprise first pixel and second pixel at least, and described planar display driving method comprises:
In first period of sub-frame in a frame period, drive described first pixel according to first gray-scale value, and drive described second pixel according to second gray-scale value; And
In second period of sub-frame in a described frame period, drive described first pixel according to the 3rd gray-scale value, and drive described second pixel according to one the 4th gray-scale value;
Wherein, described first gray-scale value is less than described the 3rd gray-scale value, and the mean value of described first gray-scale value and described the 3rd gray-scale value equals first target gray value, described second gray-scale value is greater than described the 4th gray-scale value, and the mean value of described second gray-scale value and described the 4th gray-scale value equals second target gray value.
10. planar display driving method according to claim 9, wherein said a plurality of pixels equal the ensemble average brightness of described a plurality of pixel in described second period of sub-frame in fact in the ensemble average brightness of described first period of sub-frame.
11. planar display driving method according to claim 9, if wherein described first target gray value equals described second target gray value, then in a described frame period, the dynamic menu response curve of described first pixel is identical with the dynamic menu response curve of described second pixel.
12. planar display driving method according to claim 9 is wherein with the described flat-panel screens of super pulsed drive mode activated.
13. planar display driving method according to claim 9, wherein said first pixel is adjacent with described second pixel.
14. planar display driving method according to claim 9, wherein said first pixel and described second pixel are non-conterminous.
15. planar display driving method according to claim 9, wherein said first period of sub-frame: described second period of sub-frame is 1: 1.
16. planar display driving method according to claim 9, wherein said first gray-scale value and the 4th gray-scale value are black picture.
17. a planar display driving method comprises:
Relatively whether first target gray value of first pixel and the second target gray scale of second pixel equal first previous target gray value of described first pixel and the second previous target gray value of described second pixel respectively, described first target gray value and described second target gray value are corresponding to current frame period, and the described first previous target gray value and the described second previous target gray value are corresponding to the previous frame cycle;
If described first target gray value and described second target gray value are not equal to the described first previous target gray value and the described second previous target gray value respectively, then in first period of sub-frame of described current frame period, drive described first pixel according to first gray-scale value of overdriving, and drive described second pixel according to second gray-scale value of overdriving; And
In second period of sub-frame of described current frame period, drive described first pixel according to the 3rd gray-scale value of overdriving, and drive described second pixel according to the 4th gray-scale value of overdriving;
Wherein, described first overdrive gray-scale value and the described the 3rd mean value of overdriving gray-scale value equals first target gray-scale value of overdriving, described second overdrive gray-scale value and the described the 4th mean value of overdriving gray-scale value equals second target gray-scale value of overdriving, described first target is overdrived gray-scale value corresponding to described first previous target gray value and described first target gray value, and described second target is overdrived gray-scale value corresponding to described second previous target gray value and described second target gray value;
Wherein, described first overdrives gray-scale value in fact less than the described the 3rd gray-scale value of overdriving, and described second overdrives gray-scale value in fact greater than the described the 4th gray-scale value of overdriving.
18. planar display driving method according to claim 17 also comprises:
If described first target gray value and described second target gray value equal the described first previous target gray value and the described second previous target gray value respectively, then in first period of sub-frame of described current frame period, drive described first pixel according to first gray-scale value, and drive described second pixel according to second gray-scale value; And
In second period of sub-frame of described current frame period, drive described first pixel according to the 3rd gray-scale value, and drive described second pixel according to the 4th gray-scale value;
Wherein, the mean value of described first gray-scale value and described the 3rd gray-scale value equals described first target gray value, and the mean value of described second gray-scale value and described the 4th gray-scale value equals described second target gray value;
Wherein, described first gray-scale value is in fact less than described the 3rd gray-scale value, and described second gray-scale value is in fact greater than described the 4th gray-scale value.
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| CN107845370A (en) * | 2016-09-21 | 2018-03-27 | 北京京东方专用显示科技有限公司 | A kind of display methods of display panel, display panel and display device |
| WO2018054093A1 (en) * | 2016-09-21 | 2018-03-29 | Boe Technology Group Co., Ltd. | Apparatus for enhancing brightness uniformity of displayed image, display apparatus, and method for displaying image |
| CN107845370B (en) * | 2016-09-21 | 2019-09-17 | 北京京东方专用显示科技有限公司 | A kind of display methods of display panel, display panel and display device |
| US10490145B2 (en) | 2016-09-21 | 2019-11-26 | Boe Technology Group Co., Ltd. | Apparatus for enhancing brightness uniformity of displayed image, display apparatus, and method for displaying image |
| CN107633825A (en) * | 2017-09-11 | 2018-01-26 | 惠科股份有限公司 | The driving method and display device of display panel |
| CN107731178A (en) * | 2017-09-11 | 2018-02-23 | 惠科股份有限公司 | The driving method and display device of display panel |
| CN107633825B (en) * | 2017-09-11 | 2019-08-13 | 惠科股份有限公司 | The driving method and display device of display panel |
| CN107731178B (en) * | 2017-09-11 | 2019-09-17 | 惠科股份有限公司 | The driving method and display device of display panel |
| CN112165750A (en) * | 2020-09-25 | 2021-01-01 | 深圳市明微电子股份有限公司 | LED lamp control method, device and system and computer readable storage medium |
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|---|---|
| CN101777314B (en) | 2013-10-16 |
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