公开(公告)号：US20210049966A1

公开(公告)日：2021-02-18

申请号：US17089680

申请日：2020-11-04

Applicant: HUAWEI TECHNOLOGIES CO., LTD.

Inventor： Ching Hsiang HSU ,  Dustin Yuk Lun WAI ,  Zeyu NIU

IPC: G09G3/3258

Abstract: Methods and apparatuses for controlling brightness of a display are disclosed in the present disclosure. One method includes: determining a first brightness value of a display at a current brightness adjustment level; determining, based on a gamma correction lookup table, a first input grayscale value corresponding to the first brightness value, wherein the gamma correction lookup table comprises a gamma correction relationship between a brightness value of the display and an initial input grayscale value of the display at a predetermined brightness adjustment levels; and controlling an output brightness value of the display based on the first input grayscale value.