US 11,721,285 B2
Display screen, display device, display circuit and brightness compensation method therefor
Libin Liu, Beijing (CN); Yu Feng, Beijing (CN); and Ming Che Hsieh, Beijing (CN)
Assigned to BOE TECHNOLOGY GROUP CO., LTD., Beijing (CN)
Filed by BOE TECHNOLOGY GROUP CO., LTD., Beijing (CN)
Filed on May 13, 2021, as Appl. No. 17/319,243.
Application 17/319,243 is a continuation of application No. 16/619,296, granted, now 11,024,230, previously published as PCT/CN2018/119117, filed on Dec. 4, 2018.
Claims priority of application No. 201711270046.5 (CN), filed on Dec. 5, 2017.
Prior Publication US 2021/0264859 A1, Aug. 26, 2021
This patent is subject to a terminal disclaimer.
Int. Cl. G09G 3/3258 (2016.01); G09G 3/3291 (2016.01)
CPC G09G 3/3258 (2013.01) [G09G 3/3291 (2013.01); G09G 2300/0465 (2013.01); G09G 2300/0847 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A display circuit for a display screen, the display screen comprising a first area and a second area, the display circuit comprising:
a first pixel circuit which is disposed at the first area; and
a second pixel circuit which is disposed at the second area;
wherein a transmittance of the second area is higher than a transmittance of the first area, and an aspect ratio of a first driving transistor in the first pixel circuit is smaller than that of a second driving transistor in the second pixel circuit.