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. 01, 2006
Filed:
Jun. 29, 2001
Koji Tanabe, Katano, JP;
Yosuke Chikahisa, Katano, JP;
Naohiro Nishioka, Hirakata, JP;
Matsushita Electric Industrial Co., Ltd., Osaka, JP;
Abstract
An EL element comprising a light transmitting substrate, a light transmitting electrode formed on the substrate, a light emitting layer containing a positive ion absorber, a dielectric layer and a back electrode. Further, an EL element of the present invention contains a positive ion absorber in the dielectric layer. An EL element in accordance with an embodiment comprises a light emitting layer formed of a resin, a phosphor and a positive ion absorber, the positive ion absorber being 1-400 parts by weight to a 100 parts of the resin in the light emitting layer. An EL element in another embodiment comprises a dielectric layer formed of a resin, a high dielectric constant inorganic filler and a positive ion absorber, the positive ion absorber being 0.5-50 to a 100 parts of a total amounts of the resin and the filler.