Granted Patent B2

US 12,482,390 · App. 18/601,014 · Granted Nov 25, 2025

Inventors: Zhihua Sun (Beijing, CN); Yinlong Zhang (Beijing, CN); Qiujie Su (Beijing, CN); Feng Qu (Beijing, CN); Jing Liu (Beijing, CN); Yanping Liao (Beijing, CN); Xibin Shao (Beijing, CN)

Assignees: Beijing BOE Display Technology Co., Ltd.; Beijing BOE Technology Development Co., Ltd.

G09G3/20G09G3/2092G09G2310/0205G09G2310/0218G09G2310/0224G09G2310/0251G09G2310/0267G09G2310/0275G09G2310/0278G09G2310/0286G09G2310/08

Abstract

Claims (48)

1 . A method of driving display, comprising:

in a first frame, scanning progressively or at an interval of at least one row, a plurality of sub-pixels arranged in an N×M array by using gate driving signals, to turn on each row of sub-pixels scanned, so that a duration in which two rows of sub-pixels turned on sequentially are simultaneously in an ON state is greater than or equal to two times a unit scanning time; and applying data signals to each row of sub-pixels turned on, so that a duration of applying the data signals to a part of the plurality of sub-pixels is greater than the unit scanning time, wherein the unit scanning time is a time required for scanning a row of sub-pixels, N is an integer greater than 1, and M is an integer greater than 1; and

in a second frame, scanning progressively or at an interval of at least one row, a plurality of sub-pixels arranged in an N×M array by using gate driving signals, to turn on each row of sub-pixels scanned, so that a duration in which two rows of sub-pixels turned on sequentially are simultaneously in an ON state is greater than or equal to two times the unit scanning time; and applying data signals to each row of sub-pixels turned on, so that a duration of applying the data signals to the other part of the plurality of sub-pixels is greater than the unit scanning time,

wherein a duration of an effective level of the gate driving signals is smaller than a duration of a non-effective level of the gate driving signals.

2 . The method of claim 1 , further comprising:

in the first frame, scanning odd-numbered rows of the plurality of sub-pixels progressively, to turn on each odd-numbered row of sub-pixels scanned, so that a duration in which two adjacent odd-numbered rows of sub-pixels are simultaneously in an ON state is greater than or equal to two times the unit scanning time; and applying data signals to each odd-numbered row of sub-pixels turned on, so that a duration of applying the data signals to the each odd-numbered row of sub-pixels is greater than or equal to two times the unit scanning time; and

in the second frame, scanning even-numbered rows of the plurality of sub-pixels progressively, to turn on each even-numbered row of sub-pixels scanned, so that a duration in which two adjacent even-numbered rows of sub-pixels are simultaneously in an ON state is greater than or equal to two times the unit scanning time; and applying data signals to each even-numbered row of sub-pixels turned on, so that a duration of applying the data signals to the each even-numbered row of sub-pixels is greater than or equal to two times the unit scanning time.

3 . The method of claim 2 , further comprising:

turning on a 2k−1th row of sub-pixels in a first period of the first frame, where k is an integer, 1≤k≤(N−2)/2; and

turning on a 2k+1th row of sub-pixels in a second period of the first frame, and applying a 2k−1th row of data signals to the 2k−1th row of sub-pixels, wherein a length of the second period of the first frame is greater than or equal to two times the unit scanning time.

4 . The method of claim 2 , further comprising:

turning on a 2kth row of sub-pixels in a first period of the second frame, where k is an integer, 1≤k≤(N−2)/2; and

turning on a 2k+2th row of sub-pixels in a second period of the second frame, and applying a 2kth row of data signals to the 2kth row of sub-pixels, wherein a length of the second period of the second frame is greater than or equal to two times the unit scanning time.

5 . The method of claim 2 , further comprising:

turning on a 2k−1th row of sub-pixels in a first period of the first frame, where k is an integer, 1≤k≤(N−2)/2;

applying a 2k−1th row of data signals to the 2k−1th row of sub-pixels in a second period of the first frame;

turning on a 2k+1th row of sub-pixels in a third period of the first frame, and continuing to apply the 2k−1th row of data signals to the 2k−1th row of sub-pixels; and

applying a 2k+1th row of data signals to the 2k−1th row of sub-pixels and the 2k+1th row of sub-pixels in a fourth period of the first frame.

6 . The method of claim 2 , further comprising:

turning on a 2kth row of sub-pixels in a first period of the second frame, where k is an integer, 1≤k≤(N−2)/2;

applying a 2kth row of data signals to the 2kth row of sub-pixels in a second period of the second frame;

turning on a 2k+2th row of sub-pixels in a third period of the second frame, and continuing to apply the 2kth row of data signals to the 2kth row of sub-pixels; and

applying a 2k+2th row of data signals to the 2kth row of sub-pixels and the 2k+2th row of sub-pixels in a fourth period of the second frame.

7 . The method of claim 2 , wherein:

the applying, in the first frame, data signals to each odd-numbered row of sub-pixels turned on comprises: applying, for M sub-pixels in the each odd-numbered row of sub-pixels turned on, the data signals to a sub-pixel located in a 2a−1th column and a sub-pixel located in a 2ath column, where a is an odd number, 1≤2a−1<M; and

the applying, in the second frame, data signals to each even-numbered row of sub-pixels turned on comprises: applying, for M sub-pixels in the each even-numbered row of sub-pixels turned on, the data signals to a sub-pixel located in a 2bth column and a sub-pixel located in a 2b+1th column, where b is an even number, 2≤2b≤M.

8 . The method of claim 1 , further comprising:

in the first frame, scanning the plurality of sub-pixels progressively to turn on each row of sub-pixels scanned, so that a duration in which two adjacent rows of sub-pixels are simultaneously in an ON state is greater than two times the unit scanning time; and applying data signals to each row of sub-pixels turned on, so that a duration of applying the data signals to each odd-numbered row of sub-pixels is greater than the unit scanning time, and a duration of applying the data signals to each even-numbered row of sub-pixels is less than the unit scanning time; and

in the second frame, scanning the plurality of sub-pixels progressively to turn on each row of sub-pixels scanned, so that a duration in which two adjacent rows of sub-pixels are simultaneously in an ON state is greater than two times the unit scanning time; and applying data signals to each row of sub-pixels turned on, so that a duration of applying the data signals to each even-numbered row of sub-pixels is greater than the unit scanning time, and a duration of applying the data signals to each odd-numbered row of sub-pixels is less than the unit scanning time.

9 . The method of claim 8 , further comprising:

turning on a nth row of sub-pixels and a n+1th row of sub-pixels sequentially in a first period of the first frame, where n is an integer, 1≤n≤N−1;

applying a nth row of data signals to the nth row of sub-pixels in a second period of the first frame; and

applying a n+1th row of data signals to the n+1th row of sub-pixels in a third period of the first frame, wherein a length of the second period of the first frame is greater than the unit scanning time, a length of the third period of the first frame is less than the unit scanning time, and a sum of the length of the second period of the first frame and the length of the third period of the first frame is greater than or equal to two times the unit scanning time.

10 . The method of claim 8 , further comprising:

turning on a nth row of sub-pixels and a n+1th row of sub-pixels sequentially in a first period of the second frame, where n is an integer, 2≤n≤N−1;

applying a nth row of data signals to the nth row of sub-pixels in a second period of the second frame; and

applying a n+1th row of data signals to the n+1th row of sub-pixels in a third period of the second frame, wherein a length of the second period of the second frame is less than the unit scanning time, a length of the third period of the second frame is greater than the unit scanning time, and a sum of the length of the second period of the second frame and the length of the third period of the second frame is greater than or equal to two times the unit scanning time.

11 . The method of claim 8 , wherein:

the applying, in the first frame, data signals to each row of sub-pixels turned on comprises: applying, for M sub-pixels in the each odd-numbered row of sub-pixels turned on, the data signals to a sub-pixel located in a 2a−1th column and a sub-pixel located in a 2ath column, where a is an odd number, 1≤2a−1<M; and applying, for M sub-pixels in the each even-numbered row of sub-pixels turned on, the data signals to a sub-pixel located in a 2bth column and a sub-pixel located in a 2b+1th column, where b is an even number, 2≤2b≤M; and

the applying, in the second frame, data signals to each row of sub-pixels turned on comprises: applying, for M sub-pixels in the each odd-numbered row of sub-pixels turned on, the data signals to a sub-pixel located in a 2bth column and a sub-pixel located in a 2b+1th column, where b is an even number, 2≤2b≤M; and applying, for M sub-pixels in the each even-numbered row of sub-pixels turned on, the data signals to a sub-pixel located in a 2a−1th column and a sub-pixel located in a 2ath column, where a is an odd number, 1≤2a−1<M.

12 . A display device, comprising:

a plurality of sub-pixels arranged in an N×M array, where N is an integer greater than 1, and M is an integer greater than 1;

a gate driving circuit connected to the plurality of sub-pixels and configured to:

scan the plurality of sub-pixels progressively or at an interval of at least one row using gate driving signals, to turn on each row of sub-pixels scanned, so that a duration in which two rows of sub-pixels turned on sequentially are simultaneously in an ON state is greater than or equal to two times a unit scanning time, wherein the unit scanning time is a time required for scanning a row of sub-pixels; and

a source driving circuit connected to the plurality of sub-pixels and configured to:

apply, in a first frame, data signals sequentially to each row of sub-pixels turned on, so that a duration of applying the data signals to a part of the plurality of sub-pixels is greater than the unit scanning time; and

apply, in a second frame, data signals sequentially to each row of sub-pixels turned on, so that a duration of applying the data signals to the other part of the plurality of sub-pixels is greater than the unit scanning time,

wherein a duration of an effective level of the gate driving signals is smaller than a duration of a non-effective level of the gate driving signals.

Assignments (1)

Priority Claims (1)

Continuity (3)

References Cited (44)