Patent ID: 11948395
Assignee: WUHAN CHINA STAR OPTOELECTRONICS TECHNOLOGY CO., LTD.
Field: Telecommunications (Electrical engineering)
Classification: CPC G  H | IPC G  H

Claim 0:
1. An under-screen fingerprint identification device configured for a display panel, comprising:
a light guiding plate comprising a light guiding region, wherein the light guiding region is disposed in a display area of the display panel; and
a light emitting element disposed under the light guiding region;
wherein the light emitting element comprises a plurality of light emitting pixel columns, the plurality of light emitting pixel columns form a light emitting pixel region as a light source for fingerprint identification, and each of the plurality of light emitting pixel columns comprises a plurality of sensors, a plurality of pixel units, and a black matrix; wherein each of the plurality of pixel units comprises a first sub pixel, a second sub pixel, and a third sub pixel arranged in a row direction, each of the plurality of sensors is correspondingly disposed at a side of the third sub pixel away from the second sub pixel; and wherein the black matrix is disposed between adjacent two of the plurality of pixel units in a column direction and extends along the row direction.