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:
Jul. 06, 1999
Filed:
Nov. 19, 1997
Applicant:
Inventors:
Roger Morton MacFarlane, Menlo Park, CA (US);
James Anthony Misewich, Croton-on-Hudson, NY (US);
Sanjay Sethi, Santa Clara, CA (US);
Sandip Tiwari, Ossining, NY (US);
Assignee:
International Business Machines Corporation, Armonk, NY (US);
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01L / ; H05B / ;
U.S. Cl.
CPC ...
257103 ; 257 43 ; 257 59 ; 257 72 ; 257 94 ; 257 96 ; 257410 ; 257613 ; 257 76 ;
Abstract
A device for generating radiant energy comprising a first electrode, a second electrode spaced apart from said first electrode, a material disposed between and in electrical communication with first and second electrodes, which emits radiant energy upon activation. This material is a rare earth metal oxide or a rare earth metal halide.