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

Claim 7:
8. The display screen aging compensation method according to claim 1, wherein the performing the aging compensation on each display area based comprises:
obtaining initial demura data from a nonuniformity-eliminated demura lookup table, wherein the initial demura data comprises a plurality of demura compensation areas and an input gray level value L_x corresponding to each demura compensation area, and wherein the at least one display area comprises at least one demura compensation area of the plurality of demura compensation areas;
obtaining an output gray level value L_y corresponding to each input gray level value L_x, wherein a gray level lookup table of the demura compensation area comprises each output gray level value Ly corresponding to each input gray level value L_x; and
driving, based on the output gray level value Ly in a gray level lookup table of each demura compensation area in the display area, the at least one display area to perform display.