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. 22, 2009
Filed:
Dec. 08, 2005
Norihiro Higashi, Osaka, JP;
Norihiro Higashi, Osaka, JP;
Funai Electric Co., Ltd., Daito-shi, Osaka, JP;
Abstract
When showing a picture without trimming it while a video signal stored in a frame memoryhas an aspect ratio different from that of a screen of a plasma display panel, with respect to video signals Eand Ein areas bordering on blank zones Eand Econtaining no picture appearing in upper and lower or right and left ends of the screen of the plasma display panel, a video signal processorreduces a luminance difference by lowering levels of overshootsandand undershootsandaccompanying sharpness processing applied to cope with blurring in edge portions caused by bilinear interpolation, thereby suppresses burn-in of the video signals Eand Ein said areas bordering on the blank zones on the plasma display panel