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:
Sep. 01, 2026

Filed:

Oct. 15, 2024
Applicant:

Sharp Display Technology Corporation, Kameyama City, JP;

Inventor:

Hiroyuki Kito, Kameyama City, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H05B 45/20 (2020.01); H05B 45/345 (2020.01);
U.S. Cl.
CPC ...
H05B 45/20 (2020.01); H05B 45/345 (2020.01);
Abstract

A lighting device includes a first light emitting element, a second light emitting element, and a driving circuit driving the first light emitting element and the second light emitting element. The driving circuit includes a current supply supplying currents to the first light emitting element and the second light emitting element, a first current controller controlling a magnitude of a first current supplied from the current supply to the first light emitting element, and a second current controller controlling a magnitude of a second current supplied from the current supply to the second light emitting element.


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