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. 04, 1978
Filed:
Jul. 28, 1976
Applicant:
Inventors:
Hiroshi Yamazoe, Katano, JP;
Hiroshi Kawarada, Hirakata, JP;
Hisanao Sato, Ibaragi, JP;
Nobumasa Ohshima, Hirakata, JP;
Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H05B / ; H05B / ;
U.S. Cl.
CPC ...
313509 ;
Abstract
An electroluminescent panel comprising a pair of electrodes having sandwiched therebetween a multi-layer comprising an insulating layer in contact with one of said electrodes, an electroluminescent layer and an intermediate layer formed from a conductive material which is in intimate contact with the electroluminescent layer but is out of contact with both of the electrodes. Due to the provision of the intermediate layer, the brightness of the electroluminescent panel can be kept high for a long time.