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:
Feb. 21, 2006
Filed:
Jul. 17, 2002
Shigeru Kojima, Kanagawa, JP;
Toshiharu Suzuki, Kanagawa, JP;
Katsuya Shirai, Kanagawa, JP;
Sony Corporation, , JP;
Abstract
A plasma display device such that fluctuation of discharge start voltage and lowering of luminance would not easily occur, the burning phenomenon of the screen is suppressed, and excellent reliability and long life can be secured, and a method of producing the same, are disclosed. The plasma display device comprises a first panel () provided with discharge sustaining electrodes () and a dielectric layer () on the inside thereof, and a second panel () laminated on the first panel () so that discharge spaces () are formed on the inside of the first panel (), and the trap density and/or the movable metallic ion density in the dielectric layer () is not more than 1×10pieces/cm, preferably not more than 1×10pieces/cm.