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. 01, 2002
Filed:
Mar. 19, 1999
Applicant:
Inventor:
Kunio Imai, Tsurugashima, JP;
Assignee:
Pioneer Electric Corporation, Tokyo, JP;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G09G 3/30 ; G09G 5/00 ; G09G 3/10 ;
U.S. Cl.
CPC ...
G09G 3/30 ; G09G 5/00 ; G09G 3/10 ;
Abstract
A drive apparatus for a charge storage light-emitting device which comprises drive-voltage applying means for applying a drive voltage to the charge storage light-emitting device, drive-current limiting means for limiting a drive current to be supplied to the charge storage light-emitting device, voltage detection means for detecting a terminal voltage between both electrode terminals of the charge storage light-emitting device, and voltage control means for controlling a value of the drive voltage in accordance with the detection result as a spatial charge voltage from the voltage detection means.