Patent ID: 11881168
Assignee: HUAWEI TECHNOLOGIES CO., LTD.
Field: Audio-visual technology (Electrical engineering)
Classification: CPC G | IPC G

Claim 0:
1. A display screen aging compensation method, comprising:
obtaining display data of each display area of a display screen having at least one display area, wherein:
the at least one display area of the display screen comprises a first display area and a second display area,
a usage time of the first display area is greater than a usage time of the second display area,
the display data of each display area comprises usage time t of the respective display area, a maximum gray level value Lev_max that is of each primary color and that is obtained before the respective display data, and an average gray level value Lev of each primary color of three primary colors within the respective usage time t, and
each usage time is accumulated screen-on time that is of the corresponding display area and that is obtained after the display screen is powered on;

obtaining a decay ratio of each primary color of the at least one display area based on the corresponding display data; and
performing aging compensation on each display area based on the decay ratio of each primary color of each display area.