Patent ID: 6376813
Filing Date: 2002-04-23
Classification: H01J,H05K

Abstract:
A plasma display device having a plasma display panel comprising:a display area and a non-display area, said non-display area surrounded by said display area; a plurality of heating elements distributed in said non-display area for individual heating of adjacent portions of said non-display area; and a plurality of apparatus for controlling said heating elements, each apparatus comprising a driving circuit, a comparator control circuit, and at least three resistors, said three resistors and one of said heating elements constructing a Wheatstone bridge circuit; wherein as a portion of said display area is lit, one of said heating elements located in said non-display area adjacent to said portion of said display area that is lit is activated so as to reduce a temperature difference between said portion of said display area that is lit and said non-display area adjacent thereof.