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:
Nov. 21, 2006
Filed:
Oct. 19, 2000
Applicant:
Isao Kawahara, Osaka, JP;
Inventor:
Isao Kawahara, Osaka, JP;
Assignee:
Matsushita Electric Industrial Co., Ltd., Osaka-Fu, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G09G 5/20 (2006.01);
U.S. Cl.
CPC ...
Abstract
The present invention provides a gray scale display method and apparatus that can be used with a large screen plasma display panel to perform illumination in a binary manner while substantially controlling flicker effects. The gray scale can be displayed by combining illumination and non-illumination periods in each of a plurality of subfields, the subfields being defined by at least a first block and a second block which have different structures. The plurality of subfields are arranged so that the luminance value of each subfield is in an ascending or descending order in the blocks.