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:
Mar. 27, 2001
Filed:
Jan. 03, 2000
Applicant:
Inventors:
Kazutaka Naka, Yokohama, JP;
Michitaka Ohsawa, Fujisawa, JP;
Akihiko Kougami, Yokohama, JP;
Hiroshi Ohtaka, Yokohama, JP;
Assignee:
Hitachi, Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02B 2/710 ;
U.S. Cl.
CPC ...
G02B 2/710 ;
Abstract
A display apparatus for displaying an image having gradation represented by subfields. The display apparatus includes a display panel, a circuit for outputting information in which a plurality of subfields in one field period is arranged so as to have first plural array portions where allotted light emitting weights increase gradually and second plural array portions where allotted light emitting weights decrease gradually, and a driver for forming a drive signal based on the information and for outputting the drive signal to the display panel.