公开(公告)号：US20240094458A1

公开(公告)日：2024-03-21

申请号：US17767955

申请日：2022-03-31

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

Inventor： Wenbin WANG ,  Lijian XIAO ,  Zhonghong GUAN ,  Guanqiao ZHAO ,  He PENG ,  Wenbin LU

IPC: F21V8/00

CPC classification number: G02B6/0055 ,  G02B6/0088

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.

公开(公告)号：US20240142691A1

公开(公告)日：2024-05-02

申请号：US17772211

申请日：2022-04-12

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

Inventor： Zhonghong GUAN

IPC: F21V8/00 ,  G02F1/13357

CPC classification number: G02B6/0031 ,  G02B6/0068 ,  G02F1/133605

Abstract: Embodiments of the present disclosure are directed to a backlight module and a display device. The backlight module includes a light source component, a reflecting cover, and a light guide plate. The light source component includes a light source substrate and a plurality of light-emitting units disposed on the light source substrate. The reflecting cover has a plurality of separated accommodating cavities, each of which is disposed in one of the accommodating cavities. The light-emitting units and the reflecting cover are located on one side of the light source substrate near the light guide plate. The light emitted by each of the light-emitting units is reflected to the light guide plate by the reflecting cover.