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:
Jul. 25, 2006
Filed:
Jun. 10, 2004
Kenya Hori, Okayama, JP;
Masayuki Ono, Osaka, JP;
Toshiyuki Aoyama, Osaka, JP;
Masaru Odagiri, Hyogo, JP;
Kenya Hori, Okayama, JP;
Masayuki Ono, Osaka, JP;
Toshiyuki Aoyama, Osaka, JP;
Masaru Odagiri, Hyogo, JP;
Matsushita Electric Industrial Co., Ltd., Osaka, JP;
Abstract
A luminescent device includes a phosphor layer containing a luminescent inorganic material, first and second dielectric layers rendering the phosphor layer therebetween from the direction perpendicular to the surface, the dielectric layers having residual dielectric polarization in part of at least 3 μC/cmand a coercive electric field of at least 20 kV/cm, and first and second electrodes rendering the first and second dielectric layers therebetween from the direction perpendicular to the surface.