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:
Sep. 25, 2001
Filed:
Jan. 19, 2000
Takatsugu Kurata, Osaka, JP;
Shinji Masuda, Osaka, JP;
Makoto Kawachi, Osaka, JP;
Yukiharu Ito, Osaka, JP;
Takao Wakitani, Osaka, JP;
Matsushita Electric Industrial Co., Ltd., Osaka, JP;
Abstract
A method of driving an AC plasma display panel for carrying out gray-scale display using a structure in which each field consists of a plurality of subfields, each of which includes an initialization period, a write period, and a sustain period. At least in one predetermined subfield out of the plurality of subfields, at least a part of a sustain operation in the sustain period and at least a part of an initialization operation in the initialization period in a subsequent subfield are carried out at the same time. The visibility of black is improved considerably and the contrast can be enhanced greatly.