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:
Jan. 21, 2003
Filed:
May. 02, 2001
Applicant:
Inventors:
Adrianus Sempel, Eindhoven, NL;
Iain Mcintosh Hunter, Brighton, GB;
Mark Thomas Johnson, Eindhoven, NL;
Edward Willem Albert Young, Eindhoven, NL;
Assignee:
Koninklijke Philips Electronics N.V., Eindhoven, NL;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G09G 3/00 ;
U.S. Cl.
CPC ...
G09G 3/00 ;
Abstract
Grey scale linearity and power efficiency in active matrix (O) LEDs are enhanced by operating the display in a switched mode.