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:
Sep. 08, 2020
Filed:
May. 22, 2019
Epistar Corporation, Hsinchu, TW;
Epistar Corporation, Hsinchu, TW;
Abstract
This disclosure discloses a light-emitting device. The light-emitting device includes a light-emitting stack with a first (top) surface, a bottom surface and at least one side surface connected to the first surface and the bottom surface, a light-reflective enclosure with a second (top) surface, a contact electrode formed on the bottom surface of the light-emitting layer, and a wavelength converting layer. Moreover, the light-reflective enclosure surrounds the side surface of the light-emitting stack and exposes to the first surface. The wavelength converting layer covers the first surface and the second surface. In addition, the second surface has a plurality of fine concave structures distributed on the second surface.