Patent ID: 11908231
Assignee: SAMSUNG ELECTRONICS CO., LTD.
Field: Computer technology (Electrical engineering)
Classification: CPC G  H | IPC G  H

Claim 0:
1. A fingerprint sensor comprising:
a substrate;
a circuit element layer disposed on a first surface of the substrate, the circuit element layer including a semiconductor layer, conductive layers, and a first opening portion;
a light emitting element layer disposed on the circuit element layer, the light emitting element layer including a light emitting element;
a sensor layer disposed on a second surface of the substrate, the sensor layer including a light sensor corresponding to the first opening portion; and
a light blocking layer disposed between the substrate and the sensor layer and including a second opening portion corresponding to the first opening portion,
wherein:
the first opening portion is defined as a closed loop by non-overlapping of the semiconductor layer and the conductive layers in plan view; and
in plan view, an area of the second opening portion is larger than an area of the first opening portion.