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:
Nov. 01, 2022
Filed:
Jan. 27, 2022
Toyoda Gosei Co., Ltd., Kiyosu, JP;
Koichi Goshonoo, Kiyosu, JP;
TOYODA GOSEI CO., LTD., Kiyosu, JP;
Abstract
A first light emission region includes an n-type contact layer, a first light-emitting layer, a p-type contact layer, and a wavelength conversion layer. The second light emission region includes an n-type contact layer, a first light-emitting layer, a first intermediate layer, a second light-emitting layer, and a p-type contact layer. The third light emission region includes an n-type contact layer, a first light-emitting layer, a first intermediate layer, a second light-emitting layer, a second intermediate layer, a third light-emitting layer, and a p-type contact layer. The wavelength conversion layer is disposed between the p-type contact layer of the first light emission region and the driving circuit substrate.