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:
Aug. 30, 2022
Filed:
Oct. 01, 2020
Epistar Corporation, Hsinchu, TW;
Min-Hsun Hsieh, Hsinchu, TW;
Tsung-Hong Lu, Hsinchu, TW;
EPISTAR CORPORATION, Hsinchu, TW;
Abstract
A light-emitting device includes a light-emitting unit comprising a top surface and a first side surface; a light-transmitting layer covers the top surface and the first side surface; a wavelength conversion structure disposed on the light-transmitting layer; a protective layer covering the second side surface and the light-transmitting layer; and a reflective layer surrounding the protective layer. The wavelength conversion structure includes a wavelength conversion layer, a first barrier layer disposed on the wavelength conversion layer, a second barrier layer disposed under the wavelength conversion layer, the wavelength conversion layer, the first barrier layer, and the second barrier layer are collectively formed a second side surface.