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:
Nov. 02, 1999
Filed:
May. 15, 1996
Korea Institute of Science and Technology, Seoul, KR;
Abstract
A field emission display device and a fabrication method thereof, by which a vacuum sealing can be simple, and electric and optical characteristics between pixels can be improved by achieving a device package by means of a junction between substrates in vacuum without a spacer, which includes a semiconductor substrate having a groove having a predetermined depth; an n-well formed on the semiconductor substrate under the bottom of the groove; an emitter formed on the n-well; an insulation film formed on a portion of the semiconductor substrate, in which the groove is not formed; a transparent electrode bonded to the upper portion of the insulation film; a light emitting layer arranged on the upper portion of the emitter and formed within the transparent electrode; and a glass substrate formed on the transparent electrode.