Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Young-Jun Park0
In-Taek Han0
Yong-Wan Jin0
Date of Patent
June 3, 2008
0Patent Application Number
111302640
Date Filed
May 17, 2005
0Patent Primary Examiner
Patent abstract
A field emission device and a field emission display (FED) using the same and a method of making the field emission device. The FED includes a glass substrate, a layer of a material formed on the glass substrate and having a concave portion, a cathode electrode formed on the material layer and also having a concave portion, electron emitters formed on the concave portion of the cathode electrode, a gate insulating layer formed on the cathode electrode and having a cavity communicating with the concave portion, and a gate electrode formed on the gate insulating layer and having a gate aperture aligned with the cavity.
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