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:
Feb. 02, 2021
Filed:
Dec. 20, 2018
Nichia Corporation, Anan, JP;
Mika Amiya, Naruto, JP;
Shoji Hosokawa, Tokushima, JP;
NICHIA CORPORATION, Anan, JP;
Abstract
Provided is a light emitting device including a first light emitting element having a light emission peak wavelength of 400 nm or more and 490 nm or less, a second light emitting element having a different light emission peak wavelength from the first light emitting element of 400 nm or more and 490 nm or less, a first fluorescent material that is a Ce-activated aluminate fluorescent material and excited by at least one of the first light emitting element and the second light emitting element and emits light having a light emission peak wavelength of 500 nm or more and 540 nm or less, and a second fluorescent material that is excited by at least one of the first light emitting element and the second light emitting element and emits light having a light emission peak wavelength of 600 nm or more and 680 nm or less.