Is a
Patent attributes
Current Assignee
Patent Jurisdiction
Patent Number
Date of Patent
December 1, 2009
Patent Application Number
10573446
Date Filed
September 17, 2004
Patent Primary Examiner
Patent abstract
An MgO layer (8) including an MgO crystal causing a cathode-luminescence emission having a peak within a range from 230 nm to 250 nm upon being excited by electron beams is provided in a position facing a discharge cell (C) formed in the discharge space between the front glass substrate (1) and the back glass substrate (4).
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