The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jun. 02, 2015
Filed:
Mar. 28, 2013
Asahi Kasei Microdevices Corporation, Tokyo, JP;
Edson Gomes Camargo, Tokyo, JP;
Asahi Kasei Microdevices Corporation, Tokyo, JP;
Abstract
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.