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:
Nov. 24, 2009
Filed:
May. 13, 2004
Applicants:
Toshinori Isobe, Tsukuba, JP;
Keiji Ono, Nerima-ku, JP;
Susumu Miyazaki, Toride, JP;
Inventors:
Assignee:
Sumitomo Chemical Company, Limited, Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C09K 11/59 (2006.01); C09K 11/08 (2006.01);
U.S. Cl.
CPC ...
Abstract
A phosphor and a vacuum ultraviolet excited light-emitting device are disclosed. The phosphor comprises a compound represented by the following formula (1)CaSrEuMgSiO  (1)wherein 0.1<a≦0.35 and 0.003≦b≦0.02. The phosphor is excited by vacuum ultraviolet and emits blue light with high brightness. The vacuum ultraviolet excited light-emitting device comprises the above phosphor.
Isobe, Toshinori. (2009). Phosphor and vacuum ultraviolet excited light-emitting device (U.S. Patent No. 7622057). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/7622057
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile