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. 28, 2020
Filed:
Jul. 14, 2017
Applicant:
Sharp Kabushiki Kaisha, Sakai, Osaka, JP;
Inventors:
Assignee:
SHARP KABUSHIKI KAISHA, Sakai, Osaka, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01J 1/312 (2006.01); H01J 1/304 (2006.01); H01J 1/146 (2006.01); H01J 1/144 (2006.01); H01J 9/02 (2006.01); H01J 29/04 (2006.01);
U.S. Cl.
CPC ...
H01J 1/312 (2013.01); H01J 1/144 (2013.01); H01J 1/146 (2013.01); H01J 1/304 (2013.01); H01J 1/3048 (2013.01); H01J 9/027 (2013.01); H01J 29/04 (2013.01);
Abstract
An electron emission element () includes a first electrode () and a second electrode () which are arranged facing each other, an intermediate layer () that is provided between the first electrode () and the second electrode (), and an insulating layer () that is formed with a thickness don a substrate (). A level difference between the insulating layer () and the first electrode () is smaller than the thickness dof the insulating layer ().