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:
Aug. 03, 1999
Filed:
Dec. 22, 1997
Applicant:
Inventor:
Il Yu, Kyungki-do, KR;
Assignee:
Samsung Display Devices Co., Ltd., Kyungki-do, KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C09K / ; C09K / ; B05D / ;
U.S. Cl.
CPC ...
2523 / ; 2523 / ; 2523 / ; 427 64 ; 4273833 ; 427226 ; 427215 ;
Abstract
A phosphor for a low voltage display device having a host and a metal salt or metal oxide dispersed on the surface of the host with improved luminescence efficiency which can be prepared at a low temperature.