公开(公告)号：US12271020B2

公开(公告)日：2025-04-08

申请号：US17767955

申请日：2022-03-31

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

Inventor： Wenbin Wang ,  Lijian Xiao ,  Zhonghong Guan ,  Guanqiao Zhao ,  He Peng ,  Wenbin Lu

IPC: F21V17/00 ,  F21V8/00

Abstract: The present application discloses a display device, the display device includes a frame area. The display device includes a backplate, a light guide plate, and an optical diaphragm. A receiving cavity is defined in the backplate, the light guide plate is located in the receiving cavity, the light guide plate includes at least one light guide plate extension part, the light guide plate extension part is located in the frame area, the optical diaphragm is arranged on the light guide plate, the optical diaphragm includes at least one diaphragm extension part, and the diaphragm extension part is located in the frame area. The diaphragm extension part is engaged together and connected with the light guide plate extension part.