Patent ID: 7030549
Filing Date: 2006-04-18
Classification: C09K,H01J

Abstract:
1. A display device comprising: a hollow, translucent glass body containing a medium capable of generating at least one wavelength of UV radiation; a plurality of phosphors disposed on the inside surface of said glass body, said phosphors emitting visible radiation upon exposure to said UV radiation, at least one of said plurality of phosphors being subject to degradation upon long-term exposure to said wavelength of UV radiation; said at least one of said plurality of phosphors subject to degradation being installed adjacent said inside surface of said glass body to form a first layer containing BAM, CAT and YOE; and the remainder of said plurality of phosphors being disposed on said first layer to form a second layer consisting essentially of YOE, said second layer not being subject to long-term degradation upon exposure to said UV radiation.