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.:

US 6720940 B1

PDF
Full Text
Expired
Date of Patent:
Apr. 13, 2004

Filed:

Nov. 28, 2001
Applicant:
Inventors:

Kenji Awamoto, Kawasaki, JP;

Kunio Takayama, Kawasaki, JP;

Assignee:

Fujitsu Limited, Kawasaki, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G09G 3/28 ;
U.S. Cl.
CPC ...
G09G 3/28 ;
Abstract

A method for driving a plasma display panel is provided, in which an addressing unsusceptible to influence of a variation of operating environment without increasing withstand voltage of circuit components. The method comprises the steps of replacing a frame with a plurality of subframes having luminance weights, setting on or off of light emission of cells for each of the subframes so as to realize a gradation display and providing a drive halt period between at least one of the plural subframe periods allocated to each of the subframes and the next subframe period only when a display load exceeds a preset value.


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