Image forming apparatus with reduced loss of electron source...

Details Image forming apparatus with reduced loss of electron source... Image forming apparatus with reduced loss of electron source...

2005-10-20

2010-06-08

Williams, Joseph L (Department: 2889)

Electric lamp and discharge devices

With luminescent solid or liquid material

Vacuum-type tube

C313S553000, C313S558000

Reexamination Certificate

active

07733003

ABSTRACT:
An image forming apparatus in which a first substrate provided with an electron-emitting device and an image displaying member which electrons emitted from the electron-emitting device irradiate are arranged to be opposed is provided with a deflecting means deflecting the electrons emitted from the electron-emitting device and a trapping unit trapping an inert gas ionized by the electrons. Thereby, the damages of the electron-emitting device by the inert gas are prevented, and the life of an image display apparatus is aimed to be elongated.

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