专利检索 ap:("WILL SEMICONDUCTOR (SHANGHA) CO. LTD.") AND inv:"Patrick Smith" 第 1 页

1.

发明授权
Systems and methods for reducing unwanted reflections in display systems incorporating an under display biometric sensor 有权

公开(公告)号：US10664676B2

公开(公告)日：2020-05-26

申请号：US15990353

申请日：2018-05-25

申请人： WILL SEMICONDUCTOR (SHANGHA) CO. LTD.

发明人： Bob Lee Mackey , Patrick Smith , Erik Jonathon Thompson , Arash Akhavan Fomani , Marek Mienko

IPC分类号： G06K9/00 , G02F1/137 , G02B5/30 , H01L27/32 , G01J1/04 , G02F1/1333 , H01L51/52 , G06T7/73 , G02F1/133 , G06K9/20 , G06K9/42 , G06K9/46 , G06T3/40 , H01L25/16 , G02F1/1368

摘要： An optical sensor system includes a display substrate, display pixel circuitry including a plurality of light emitting display elements or pixels disposed over the display substrate, a first circular polarizer disposed over the display substrate and the display pixel circuitry, and a transparent cover sheet disposed over the first circular polarizer. A top surface of the transparent cover sheet provides a sensing surface for an object such as a finger. The optical sensor system also includes a sensor layer disposed below the display substrate, the sensor layer having a plurality of photosensors, and a second circular polarizer disposed between the sensor layer and the display substrate.