Patents by Inventor Chang-Lung Chiang

Chang-Lung Chiang has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Method for manufacturing nitride phosphor
    Patent number: 10604700
    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.
    Type: Grant
    Filed: November 1, 2017
    Date of Patent: March 31, 2020
    Assignee: BELL CERAMICS CO., LTD.
    Inventors: Chang-Lung Chiang, Mu-Huai Fang, Chia-Shen Hsu, Ru-Shi Liu, Chaochin Su, Te-Hsin Chiang
  • RED NITRIDE PHOSPHOR AND LIGHT-EMITTING DEVICE USING THE SAME
    Publication number: 20190300788
    Abstract: A red nitride phosphor is provided. The red nitride phosphor is represented by the following general formula (I): SrLi(GaxAl1-x)3N4:Eu2+??general formula (I), in general formula (I), 0<x?1.
    Type: Application
    Filed: July 2, 2018
    Publication date: October 3, 2019
    Inventors: Shu-Yi MENG, Mu-Huai FANG, Ru-Shi LIU, Chang-Lung CHIANG, Chang-Yang CHIANG, Te-Hsin CHIANG
  • METHOD FOR MANUFACTURING NITRIDE PHOSPHOR
    Publication number: 20180362844
    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.
    Type: Application
    Filed: November 1, 2017
    Publication date: December 20, 2018
    Inventors: Chang-Lung Chiang, Mu-Huai Fang, Chia-Shen Hsu, Ru-Shi Liu, Chaochin Su, Te-Hsin Chiang