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:
Dec. 01, 2009
Filed:
Nov. 09, 2006
Toshiharu Kurauchi, Ibaraki, JP;
Muneto Hakomori, Kanagawa, JP;
Kazuya Uchida, Ibaraki, JP;
Shunji Misawa, Ibaraki, JP;
Toshiharu Kurauchi, Ibaraki, JP;
Muneto Hakomori, Kanagawa, JP;
Kazuya Uchida, Ibaraki, JP;
Shunji Misawa, Ibaraki, JP;
Ulvac, Inc., Chigasaki-shi, JP;
Abstract
A plasma display panelof the present invention has a protective filmover a sustaining electrodeand a scanning electrodewith the main components of the protective film being CaO and SrO, and the concentration of the CaO in the protective filmis 20 mol % or more and 90 mol % or less. This protective filmhas a smaller work function than a conventional MgO film so light can be emitted at a lower discharge voltage than in the past. If the discharge voltage is lower, the protective filmwill be sputtered more slowly so that the service life of the plasma display panelwill be longer. Also, since the plasma-gas contains xenon gas, the plasma display panel of the present invention has higher brightness.