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. 31, 2024
Filed:
Jun. 16, 2023
Nichia Corporation, Anan, JP;
Toshiaki Yamashita, Komatsushima, JP;
NICHIA CORPORATION, Anan, JP;
Abstract
A wavelength conversion member includes three or more light-emitting portions, and two or more light shielding layers. Each of the three or more light-emitting portions has a phosphor, is separated from each other, and is disposed to be aligned in a first direction. Each of the two or more light shielding layers is disposed between the two light-emitting portions adjacent to each other. The light-emitting portion and the light shielding layer are alternately aligned in the first direction. In the first direction, a length of each of the light-emitting portions is in a range of 0.3 mm to 2.0 mm. An interval in the first direction between the two light-emitting portions adjacent to each other is in a range of 0.1 mm to 2.0 mm.