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.

Date of Patent:
Mar. 25, 2003

Filed:

Dec. 30, 1998
Applicant:
Inventors:

Ki Woong Whang, Seoul 151-742, KR;

Jin Ho Yang, Seoul, KR;

Assignee:

Other;

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

The present invention provides an energy recovery driver circuit for the AC plasma display panel having an enhanced energy recovery efficiency with a short voltage rise and fall period. The energy recovery driver circuit comprises an energy recovery part interposed between the sustain driver circuits for the X and X electrodes and the other energy recovery part interposed between the sustain driver circuits for Y and Y electrodes, wherein X and Y electrodes are respectively defined as electrodes of a first and a second type of electrodes employed in the first AC-PDP cell group, and X and Y electrodes are respectively defined as electrodes of the first and the second type of electrodes employed in the second AC-PDP cell group. Thus the energy recovery circuit of the present invention utilizes the effect of reducing the load capacitance to a half of its original value, when two (2) loads are serially connected.


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