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:
Mar. 31, 2020
Filed:
Nov. 01, 2017
Bell Ceramics Co., Ltd., New Taipei, TW;
Chang-Lung Chiang, New Taipei, TW;
Mu-Huai Fang, New Taipei, TW;
Chia-Shen Hsu, New Taipei, TW;
Ru-Shi Liu, New Taipei, TW;
Chaochin Su, New Taipei, TW;
Te-Hsin Chiang, New Taipei, TW;
BELL CERAMICS CO., LTD., New Taipei, TW;
Abstract
A method for manufacturing a nitride phosphor is provided. The method comprises providing a nitride phosphor formulation and subjecting the nitride phosphor formulation to a hot isostatic pressing step. The nitride phosphor formulation comprises a flux and a phosphor precursor, wherein the flux is a barium-containing nitride. The phosphor precursor comprises two or more metal nitrides, and wherein a plurality of metal elements are present in the nitride phosphor and the two or more metal nitrides contain the plurality of metal elements.