公开(公告)号：US20210327325A1

公开(公告)日：2021-10-21

申请号：US16981730

申请日：2020-07-01

Applicant: TCL CHINA STAR OPTOELECTRONICS TECHNOLOGY CO., LTD.

Inventor： Bangyin PENG ,  Ilgon KIM

IPC: G09G3/20

Abstract: A display panel and a test method thereof are provided in the preset disclosure. The display panel includes a first test area and a second test area; the display panel also includes an array substrate, a pixel electrode layer, and a light shielding layer, wherein the pixel electrode layer includes a plurality of pixel electrode units, and in a direction perpendicular to the array substrate, an orthographic projection of the light shielding layer covers orthographic projections of each main pixel electrode in the first test area and each sub-pixel electrode in the second test area.