JCIPRNET
Under-screen fingerprint identification system
An under-screen fingerprint identification system includes an image sensing element, a display element, a translucent cover, and a Bragg polarization grating. The display element is disposed on the image sensing element. The translucent cover is disposed on the display element, and the display element is located between the translucent cover and the image sensing element. The translucent cover has a first surface and a second surface opposite to each other, and the first surface is farther away from the display element than the second surface. The Bragg polarization grating is disposed on the second surface of the translucent cover.
Guangzhou Tyrafos Semiconductor Technologies Co., LTD
G G H G G
G06V G02B H01L G06V G06V
inventional inventional additional inventional inventional
Ping-Hung Jun-Wen
Yin Chung