US 12,223,877 B2
Display panel and display apparatus
Jialing Li, Shanghai (CN); Yongcai Shen, Shanghai (CN); Liyuan Luo, Shanghai (CN); and Qi Li, Shanghai (CN)
Assigned to SEEYA OPTRONICS CO., LTD., Shanghai (CN)
Filed by SEEYA OPTRONICS CO., LTD., Shanghai (CN)
Filed on Jun. 22, 2023, as Appl. No. 18/213,066.
Claims priority of application No. 202211739479.1 (CN), filed on Dec. 30, 2022.
Prior Publication US 2024/0221582 A1, Jul. 4, 2024
Int. Cl. G09G 3/20 (2006.01); G09G 3/32 (2016.01); G09G 3/3233 (2016.01); G09G 3/3258 (2016.01); H05B 45/60 (2022.01)
CPC G09G 3/2074 (2013.01) [G09G 3/3233 (2013.01); G09G 3/32 (2013.01); G09G 3/3258 (2013.01); G09G 2300/0443 (2013.01); G09G 2300/0452 (2013.01); G09G 2300/0465 (2013.01); G09G 2300/0804 (2013.01); G09G 2300/0842 (2013.01); G09G 2300/0861 (2013.01); G09G 2310/08 (2013.01); G09G 2320/0666 (2013.01); H05B 45/60 (2020.01)] 11 Claims
OG exemplary drawing
 
1. A display panel comprising M pixel driving circuits and N sub-pixel units, wherein M<N, and M and N are each a positive integer; and
the M pixel driving circuits are configured to drive the N sub-pixel units to emit light;
wherein one of the following is satisfied:
the N sub-pixel units have a same emission color, each of the M pixel driving circuits comprises a driving transistor, the driving transistor comprises an n-channel thin-film transistor, and two of the M pixel driving circuits are configured to drive different numbers of sub-pixel units among the N sub-pixel units, wherein among the M pixel driving circuits, an output terminal of a driving transistor of one pixel driving circuit is electrically connected to N−M+1 sub-pixel units of the N sub-pixel units, and an output terminal of a driving transistor of each of other pixel driving circuits is electrically connected to one of the N sub-pixel units;
emission colors of the N sub-pixel units are same, each of the M pixel driving circuits comprises a driving transistor, the driving transistor comprises a p-channel thin-film transistor, and the M pixel driving circuits comprise an i-th pixel driving circuit and an j-th pixel driving circuit, wherein 1≤i≤M, 1≤j≤M, and i≠j, wherein a difference ΔI between a driving current I1 output from the i-th pixel driving circuit and a driving current I2 output from the j-th pixel driving circuit satisfies ΔI/((I1+I2)/2)≤20%; or
the N sub-pixel units comprise N1 first sub-pixel units and N2 second sub-pixel units, and an emission color of the first sub-pixel units is different from an emission color of the second sub-pixel units, wherein N1 and N2 are each a positive integer and N1+N2≤N, and among the M pixel driving circuits, M1 pixel driving circuits are configured to drive the N1 first sub-pixel units to emit light, M2 pixel driving circuits are configured to drive the N2 second sub-pixel units to emit light, wherein M1 and M2 are each a positive integer, and M1+M2≤M, wherein N1/M1<N2/M2.