Electric lamp and discharge devices – With luminescent solid or liquid material – Vacuum-type tube
Reexamination Certificate
2011-07-12
2011-07-12
Williams, Joseph L (Department: 2889)
Electric lamp and discharge devices
With luminescent solid or liquid material
Vacuum-type tube
C313S495000, C313S496000, C313S310000
Reexamination Certificate
active
07977859
ABSTRACT:
Degradation of an electron emission element by irradiation of the positive ion generated inside a panel is suppressed. A deflection electrode is periodically disposed, and the electron emission region of an electron emission element is disposed so as not to include a center line between adjacent deflection electrodes, so that an electron beam trajectory is deflected and bombardment or irradiation of the generated positive ion to the electron emission region is prevented.
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Kusunoki Toshiaki
Suzuki Mutsumi
A. Marquez, Esq. Juan Carlos
Hitachi , Ltd.
Quarterman Kevin
Stites & Harbison PLLC
Williams Joseph L
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