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.

Date of Patent:
Oct. 19, 2004

Filed:

Sep. 20, 2002
Applicant:
Inventors:

Jung-Ho Kang, Seoul, KR;

Yong-Soo Choi, Seoul, KR;

Sang-Hyuck Ahn, Seoul, KR;

Ho-Su Han, Suwon, KR;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01L 4/902 ; H01J 1/30 ;
U.S. Cl.
CPC ...
H01L 4/902 ; H01J 1/30 ;
Abstract

A field emission display that is simple to manufacture in a large screen size and that provides improved display characteristics, includes first and second substrates provided opposing one another with a predetermined gap therebetween; a plurality of gate electrodes formed on a surface of the first substrate opposing the second substrate, the gate electrodes being formed in a striped pattern; an insulation layer formed on the first substrate covering the gate electrodes; a plurality of cathode electrodes formed on the insulation layer in a striped pattern to perpendicularly intersect the gate electrodes; a plurality of surface electron sources formed along one long edge of the cathode electrodes; focusing units provided on the cathode electrodes for controlling the emission of electron beams from the surface electron sources; an anode electrode formed on a surface of the second substrate opposing the first substrate; and a plurality of phosphor layers formed on the anode electrode.


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