Electric lamp and discharge devices – With luminescent solid or liquid material – Vacuum-type tube
Reexamination Certificate
2008-09-23
2008-09-23
Macchiarolo, Peter (Department: 2879)
Electric lamp and discharge devices
With luminescent solid or liquid material
Vacuum-type tube
C313S293000, C313S297000
Reexamination Certificate
active
11350649
ABSTRACT:
An electron emission device includes an electron emission region formed on a substrate for emitting electrons, a driving electrode for controlling the emission of the electrons, and a focusing electrode electrically insulated from the driving electrode. The driving electrode has an effective portion for inducing the emission of the electrons from the electron emission region, and a first voltage applying portion electrically connected to the effective portion. The focusing electrode has a focusing portion for focusing the electrons emitted from the electron emission region, and a second voltage applying portion electrically connected to the focusing portion. The effective portion and the focusing portion are disposed in different planes from each other, and the first applying portion and the second voltage applying portion are non-overlapping.
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Christie Parker & Hale LLP
Macchiarolo Peter
Samsung SDI & Co., Ltd.
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