Cathode structure and CRT electron gun adopting the same

Details Cathode structure and CRT electron gun adopting the same Cathode structure and CRT electron gun adopting the same

1997-07-08

1999-02-09

Patel, Vip

Electric lamp and discharge devices

Cathode ray tube

Ray generating or control

313270, 313346R, H01J 2946

Patent

active

058699244

ABSTRACT:
A cathode structure and an electron gun for a CRT adopting the same are provided. The cathode structure has an external case, an insulating member filled in the external case, a plurality of pins fixedly inserted into the insulating member and of which end portions extend from the upper surface of the insulating member, a field emission device (FED) unit attached on the insulating member, and a wire for electrically connecting the FED unit to the end portions of the pins. Electrons are emitted by a field effect rather than by thermal electron emission.

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