Is a
Patent attributes
Current Assignee
Patent Jurisdiction
Patent Number
Date of Patent
November 27, 2007
Patent Application Number
11193905
Date Filed
July 29, 2005
Patent Primary Examiner
Patent abstract
A lighting device includes a cathode (11), a cover (12), an insulation layer (13), an emitter base (18), a molybdenum tip (19), a phosphor layer (15), an anode (16), and a silicon oxide layer (17). The cover is formed on the cathode. The insulation layer is formed on the cover. The base is formed on the insulation layer. The molybdenum tip is formed on the base. The phosphor layer is spaced apart from the molybdenum tip. The anode is formed on the phosphor layer. The silicon oxide layer is formed on the anode.
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