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.

Date of Patent:
Jan. 14, 2025

Filed:

Aug. 29, 2023
Applicants:

Kabushiki Kaisha Toshiba, Tokyo, JP;

Toshiba Electronic Devices & Storage Corporation, Tokyo, JP;

Inventors:

Yuichiro Niikura, Kamakura Kanagawa, JP;

Hitoshi Imai, Kawasaki Kanagawa, JP;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H03K 17/785 (2006.01); H01L 25/075 (2006.01); H01L 25/16 (2023.01); H01L 33/38 (2010.01); H01L 33/62 (2010.01);
U.S. Cl.
CPC ...
H03K 17/785 (2013.01); H01L 25/0753 (2013.01); H01L 25/167 (2013.01); H01L 33/382 (2013.01); H01L 33/62 (2013.01);
Abstract

According to one embodiment, a semiconductor device includes a substrate; a first transistor, a second transistor, a third transistor, and a fourth transistor; a first light emitting element and a second light emitting element; a first light receiving element configured to switch the first transistor and the second transistor to an ON state or to an OFF state; and a second light receiving element configured to switch the third transistor and the fourth transistor to the ON state or to the OFF state, wherein the first light emitting element and the second light emitting element are configured such that, when either one of the first light emitting element or the second light emitting element is turned to a lit state, the other one is turned to an unlit state.


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