Light Receiving Device

摘要

The light receiving device of the present invention includes a circuit pattern including first and second light receiving parts and first and second output terminals, each of the first and second light receiving parts having a semiconductor layered part forming a photodiode structure having first and second conductivity type semiconductor layers, and first and second electrodes respectively connected to the first conductivity type semiconductor layer and the second conductivity type semiconductor layer, wherein the first electrodes of the first and second light receiving parts are connected to each other, the second electrode of the first light receiving part is connected to the first output terminal, the second electrode of the second light receiving part is connected to the second output terminal, and a difference between signals generated in the first and second light receiving parts are output between the first and second output terminals.

主权项

1. A light receiving device comprising a circuit pattern including a first light receiving part, a second light receiving part, a first output terminal, and a second output terminal, which are formed on a same substrate, each of the first light receiving part and the second light receiving part having:
a semiconductor layered part forming a PN or PIN junction photodiode structure having a first conductivity type semiconductor layer and a second conductivity type semiconductor layer; a first electrode connected to the first conductivity type semiconductor layer; and a second electrode connected to the second conductivity type semiconductor layer, wherein the first electrode of the first light receiving part is connected to the first electrode of the second light receiving part, the second electrode of the first light receiving part is connected to the first output terminal, the second electrode of the second light receiving part is connected to the second output terminal, and wherein a difference between signals generated in the first light receiving part and the second light receiving part is output between the first output terminal and the second output terminal.