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:
Dec. 09, 2003
Filed:
Mar. 29, 2001
Applicant:
Inventor:
Kazuya Iwasaki, Saitama, JP;
Assignee:
Ricoh Company, Ltd., Tokyo, JP;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G09G 3/32 ;
U.S. Cl.
CPC ...
G09G 3/32 ;
Abstract
In a display device, first and second driving parts are connected with light-emitting diodes disposed in a matrix configuration in series, and the light-emitting diodes are lit when the first and second driving parts are driven simultaneously. Driving of at least one of the first and second driving parts is curtailed in a case of a predetermined operation mode.