Electric lamp and discharge devices – With luminescent solid or liquid material – Vacuum-type tube
Reexamination Certificate
2006-10-18
2010-02-23
Won, Bumsuk (Department: 2889)
Electric lamp and discharge devices
With luminescent solid or liquid material
Vacuum-type tube
C313S336000, C313S497000, C445S049000, C445S050000, C445S051000
Reexamination Certificate
active
07667381
ABSTRACT:
An electron emission device is disclosed. The electron emission device includes a resistance layer for electrically connecting a line electrode and isolate electrodes included in the cathode electrode. The cathode electrode can maintain a uniform voltage due to the resistance layer. A protection layer is located on the resistance layer. The protection layer prevents conductive elements contained in the resistance layer from diffusing over the protection layer. The protection layer also prevents the resistance layer from being oxidized.
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Cho Jin-Hui
Hong Su-Bong
Lee Sang-Jo
Knobbe Martens Olson & Bear LLP
Lee Nathaniel J
Samsung SDI & Co., Ltd.
Won Bumsuk
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