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:
Oct. 03, 2017
Filed:
Oct. 02, 2015
Applicant:
Kabushiki Kaisha Toyota Chuo Kenkyusho, Nagakute-shi, Aichi-ken, JP;
Inventors:
Assignee:
KABUSHIKI KAISHA TOYOTA CHUO KENKYUSHO, Nagakute-shi, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01J 29/48 (2006.01); H01J 1/30 (2006.01); H01J 1/34 (2006.01); H01J 1/35 (2006.01); H01J 1/304 (2006.01); H01S 3/16 (2006.01);
U.S. Cl.
CPC ...
H01J 29/481 (2013.01); H01J 1/3046 (2013.01); H01J 1/34 (2013.01); H01J 1/35 (2013.01); H01S 3/1636 (2013.01);
Abstract
An electron emission device includes a substrate and an electron emission layer. The electron emission layer is provided above the substrate, and is provided with an opening. The electron emission layer has an edge defining the opening and is configured to emit electrons from the edge when the edge is irradiated with light.