An Electron Emission Device (EED) that can reduce background-brightness resulting from collisions between anodes and only a few electrons when data is not supplied to an electron emission display panel includes: an electron emission display panel including scan electrodes, data electrodes, and anodes,...http://www.google.de/patents/US7542016?utm_source=gb-gplus-sharePatent US7542016 - Electron emission device (EED) with low background-brightness