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:
Sep. 17, 2002
Filed:
Jan. 21, 2000
Applicant:
Inventors:
Jeroen Van Velzen, Eindhoven, NL;
Coen T. H. F. Liedenbaum, Eindhoven, NL;
Assignee:
Koninklijke Philips Electronics N.V., Eindhoven, NL;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G09G 3/32 ;
U.S. Cl.
CPC ...
G09G 3/32 ;
Abstract
Electroluminescent display device comprising drive circuitry (a number of alternatives is given) to determine the surface area of a pixel (via capacitance, reverse current) and adjust the current density in the pixel accordingly.
Van Velzen, Jeroen. (2002). Organic electroluminescent display device (U.S. Patent No. 6452576). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/6452576
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile