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:
Mar. 24, 1987
Filed:
Jan. 09, 1986
Applicant:
Inventor:
Jan L van Koesveld, Eindhoven, NL;
Assignee:
U.S. Philips Corporation, New York, NY (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C09K / ;
U.S. Cl.
CPC ...
313468 ; 2523 / ; 313467 ;
Abstract
A cathode-ray tube provided with a luminescent screen comprising a luminescent indium orthoborate activated by trivalent chromium. The tube yields an efficient emission in the near infrared part of the spectrum. If the borate further comprises Eu as an activator, an efficient Eu.sup.3+ emission is obtained in addition to the Cr emission.
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van Koesveld, Jan. (1987). Cathode-ray tube provided with a luminescent indium orthoborate (U.S. Patent No. 4652793). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4652793
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile