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:
Feb. 24, 1998
Filed:
Apr. 17, 1996
Applicant:
Inventors:
Tomoyuki Kawashima, Yokohama, JP;
Harutaka Taniguchi, Yokosuka, JP;
Hisato Kato, Yokosuka, JP;
Kazuyoshi Shibata, Yokohama, JP;
Assignee:
Fuji Electric Co., Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G09G / ;
U.S. Cl.
CPC ...
345 76 ; 345 45 ;
Abstract
An electroluminescent display device with decreased voltage requirements comprises a substrate having a major surface, a first electrode over the major surface, a light-emitting film over the first electrode, and a second electrode over the light-emitting film. At least one insulating film is disposed in contact with a major surface of the light-emitting film, which insulating film has a columnar crystal structure oriented parallel to an electric field formed between the two electrodes.