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. 20, 1993
Filed:
Jul. 26, 1990
Applicant:
Inventors:
Shiro Kobayashi, Tsukuba, JP;
Yuichi Aoki, Tsukuba, JP;
Kouji Nakanishi, Tsukuba, JP;
Toshitaka Shigeoka, Suita, JP;
Tetsuro Yoshii, Tsukuba, JP;
Katsuhisa Enjoji, Tsuchiura, JP;
Etsuo Ogino, Tsukuba, JP;
Assignee:
Nippon Sheet Glass Co., Ltd., Osaka, JP;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01L / ;
U.S. Cl.
CPC ...
257103 ; 257 78 ; 313509 ;
Abstract
An electroluminescence device is constituted by sequentially stacking a glass substrate, a transparent electrode, a luminescent layer, an interlayer containing a semiconductor having a band gap of 2.4 eV or more, a current-limiting layer containing a conductive powder, and a backplate.