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:
Sep. 10, 2024
Filed:
Sep. 26, 2020
Lextar Electronics Corporation, Hsinchu, TW;
Yi-Ting Tsai, Hsinchu, TW;
Hung-Chia Wang, Hsinchu, TW;
Chia-Chun Hsieh, Hsinchu, TW;
Hung-Chun Tong, Hsinchu, TW;
Yu-Chun Lee, Hsinchu, TW;
Tzong-Liang Tsai, Hsinchu, TW;
Lextar Electronics Corporation, Hsinchu, TW;
Abstract
The wavelength conversion material includes a general formula (I) MABCDE:ESREand satisfies a condition (II) that a proportion of D for the wavelength conversion material greater than or equal to 50%. M is selected from a group consisting of Ca, Sr and Ba. A is selected from a group consisting of elements Mg, Mn, Zn and Cd. B is selected from a group consisting of elements B, Al, Ga and In. C is selected from a group consisting of Si, Ge, Ti and Hf. D is selected from a group consisting of elements, S and Se. E is selected from a group consisting of elements N and P. ES is selected from a group consisting of divalent Eu, Sm and Yb. RE is selected from a group consisting of trivalent Ce, Pr, Nd, Sm, Eu, Gd, Tb, Dy, Ho, Er and Tm.