Display device

US10564464B2 · kind B2 · utility

Assignee

• BOE Technology Group Co., Ltd. · CN

Inventors

• Haisheng Wang · Beijing, CN
• Yingming Liu · Beijing, CN
• Xiaoliang Ding · Beijing, CN
• Rui Xu · Nanhu, CN
• Lijun Zhao · Beijing, CN
• Yanan Jia · Beijing, CN
• Pinchao Gu · Beijing, CN
• Yunke Qin · Beijing, CN
• Yuzhen Guo · Beijing, CN
• Yanling Han · Beijing, CN
• Chun-Wei Wu · Beijing, CN
• Changfeng Li · Changzhou City, CN
• Xue Dong · Beijing, CN

Key dates

• Filing date: Sep 15, 2017
• Grant date: Feb 18, 2020
• Expiry date: Sep 15, 2037

Classification

• Technology area (CPC G): Physics
• CPC primary: G02F2201/44
• WIPO field: Optics
• WIPO sector: Instruments

Abstract

Disclosed is a display device, including a display panel having a plurality of pixel units, a protection cover plate disposed on a light exit surface of the display panel, and a plurality of light sensing devices for pattern recognition disposed on one side of the pixel unit facing away from the light exit surface, and a light collimating member disposed between the protection cover plate and the plurality of light sensing devices, wherein orthogonal projections of the light sensing device and the pixel unit on the display panel do not overlap each other, and the light collimating member has a light transmitting area above the light sensing device and a light shielding area outside the light transmitting area.