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:
Aug. 20, 2013
Filed:
Mar. 15, 2011
Applicants:
Jun Hashimoto, Osaka, JP;
Takuji Tsujita, Osaka, JP;
Takayuki Shimamura, Osaka, JP;
Inventors:
Assignee:
Panasonic Corporation, Osaka, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01J 17/49 (2012.01);
U.S. Cl.
CPC ...
Abstract
PDP () includes front plate () and rear plate (). Front plate () has protective layer (). Rear plate () has phosphor layers (). Protective layer () includes a base layer. On the base layer, aggregated particles are dispersed and disposed. The underlying layer includes a first metal oxide and a second metal oxide. In X-ray diffraction analysis, a peak of the base layer lies between a first peak of the first metal oxide and a second peak of the second metal oxide. The first and second metal oxides are two selected from the group consisting of MgO, CaO, SrO, and BaO. The base layer further contains sodium and potassium.