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. 31, 2006
Filed:
Sep. 20, 2002
Applicants:
Hiroyuki Nakamura, Atsugi, JP;
Shigeki Kondo, Hiratsuka, JP;
Inventors:
Hiroyuki Nakamura, Atsugi, JP;
Shigeki Kondo, Hiratsuka, JP;
Assignee:
Canon Kabushiki Kaisha, Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G09G 3/30 (2006.01);
U.S. Cl.
CPC ...
Abstract
Gradation is improved in image formation by image-forming apparatus employing a light emitting elements such as organic light-emitting element, and image quality. A light-emitting element is provided in which the emission and no emission of light is controlled by the intensity of the input signal from the scanning line and the signal line by flowing constant electric current to a two-input-differential connection circuit one of which is connected to the light-emitting element.