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:
Oct. 12, 2010
Filed:
Apr. 07, 2005
Shinichi Yamamoto, Osaka, JP;
Mikihiko Nishitani, Nara, JP;
Masaharu Terauchi, Nara, JP;
Jun Hashimoto, Osaka, JP;
Masatoshi Kitagawa, Osaka, JP;
Shinichi Yamamoto, Osaka, JP;
Mikihiko Nishitani, Nara, JP;
Masaharu Terauchi, Nara, JP;
Jun Hashimoto, Osaka, JP;
Masatoshi Kitagawa, Osaka, JP;
Panasonic Corporation, Osaka, JP;
Abstract
A gas discharge display panel exhibits a favorable display performance by increasing a wall charge retaining property, controlling a discharge delay for optimal image display, and reducing the discharge starting voltage. A PDP can exhibit enhanced display quality by improving a secondary electron emission factor γ compared to conventional cases and lowering the discharge starting voltage to widen the driving margin. A manufacturing method for a gas discharge display panel can reduce the exhaustion time in the sealing exhaustion process, and driving circuit component costs are reduced. In a gas discharge display panel, a protective layer includes a first and a second protective film, the second protective film is formed on at a least part of a surface of the first protective film. The first protective film has a larger impurity content than the second protective film.