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:
Apr. 08, 2025
Filed:
Apr. 07, 2021
Applicant:
Lumineq Oy, Espoo, FI;
Inventors:
Jani Holopainen, Espoo, FI;
Kari Härkönen, Espoo, FI;
Assignee:
Lumineq Oy, Espoo, FI;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H05B 33/14 (2006.01); C23C 16/30 (2006.01); H05B 33/10 (2006.01); C23C 16/455 (2006.01);
U.S. Cl.
CPC ...
H05B 33/145 (2013.01); C23C 16/306 (2013.01); H05B 33/10 (2013.01); C23C 16/45525 (2013.01);
Abstract
This disclosure relates to use of group 4 element codoping in a phosphor layer of activator-doped zinc sulfide of a display element, a display element, and a method for manufacturing a display element. The display element () comprises a first insulator layer (), a second insulator layer (), and a first phosphor layer () of activator-group 4 element codoped zinc sulfide between the first insulator layer () and the second insulator layer (). The first phosphor layer () has an average atomic percentage of group 4 elements of at least 0.01 atomic percent.