公开(公告)号：US20240339068A1

公开(公告)日：2024-10-10

申请号：US18575646

申请日：2022-06-10

Applicant: Huawei Technologies Co., Ltd.

Inventor： Jialiang Sun ,  Kai Xu ,  Ruizhe Li ,  Menghu Shen

IPC: G09G3/20 ,  G06V40/13 ,  G06V40/60

CPC classification number: G09G3/2092 ,  G06V40/1318 ,  G06V40/67 ,  G09G3/2007 ,  G09G2320/0247 ,  G09G2320/0686 ,  G09G2354/00

Abstract: Embodiments of this application provide a display method and an electronic device. The electronic device includes an application processor, a display driver chip, and a display panel. The display panel is configured to display a first image. The application processor is configured to send first indication information and a first parameter to the display driver chip. The display driver chip is configured to: control, based on the received first indication information, brightness of a fingerprint recognition area in the first image to be first brightness, and control brightness of a mask area in the first image to be second brightness. The brightness of the mask area is controlled based on the first parameter, and the mask area is an area in the first image except the fingerprint recognition area. The display panel is configured to display an updated first image.