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:
Jan. 14, 2025
Filed:
Jan. 31, 2020
Sony Group Corporation, Tokyo, JP;
Tomohiko Shimatsu, Kanagawa, JP;
Sony Group Corporation, Tokyo, JP;
Abstract
A light emitting element includes a light emitting portion, an intermediate layer covering the light emitting portion, an optical path control unit disposed on or above the intermediate layer, and a coating layer covering at least the optical path control unit. Light emitted from the light emitting portion passes through the intermediate layer, and enters then exits from the optical path control unit. The coating layer includes first and second coating layer. The first coating layer covers a part of an outer surface of the optical path control unit on the intermediate layer side. The second coating layer covers the first coating layer and the rest of the outer surface of the optical path control unit. Values of refractive indices of materials constituting the optical path control unit, the first coating layer, and the second coating layer are different from each other.