A flat panel display device includes a face plate made of a transparent material, a back plate positioned parallel to the face plate, and a wall member extending between the face plate and back plate to define an airtight housing. An anode is provided on a inner surface of the face plate, a fluorescent...http://www.google.de/patents/US5083058?utm_source=gb-gplus-sharePatent US5083058 - Flat panel display device
