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:
Dec. 02, 2025
Filed:
Apr. 17, 2023
Koito Manufacturing Co., Ltd., Tokyo, JP;
Ryota Naito, Shizuoka, JP;
Shuhei Matsuda, Shizuoka, JP;
KOITO MANUFACTURING CO., LTD., Tokyo, JP;
Abstract
A lighting device capable of improving yield by relaxing a selection requirement for turquoise blue and making chromaticity uniform is provided. The lighting device () includes a first light-emitting element () that emits first light belonging to a first chromaticity rank, a second light-emitting element () that emits second light belonging to a second chromaticity rank, and a light mixing unit () that mixes the first light and the second light and radiates the light as radiated light to an outside, wherein the first chromaticity rank and the second chromaticity rank are different from each other, and the radiated light is within a chromaticity range of turquoise blue.