公开(公告)号：US12174410B2

公开(公告)日：2024-12-24

申请号：US17758168

申请日：2022-06-24

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

Inventor： Bin Zhao ,  Juncheng Xiao ,  Junling Liu

IPC: F21V8/00 ,  G02F1/13357 ,  G02F1/1368 ,  G02F1/137

Abstract: The present application discloses a backlight module and a display device. The backlight module includes a light guide plate, and the light-emitting surface includes a plurality of light-emitting units arranged in rows. A backlight plate is arranged on the light guide plate, and a plurality of transparent hole units are arranged on the backlight plate. A shutter layer is arranged on the backlight plate, and a number of shutter units are arranged on the shutter layer. The shutter units are arranged corresponding to the transparent hole units. The shutter units are used to control whether light passing through the transparent hole units passes through the shutter layer.