Electron gun for color cathode ray tube

Details Electron gun for color cathode ray tube Electron gun for color cathode ray tube

1997-09-03

1999-05-18

Patel, Nimeshkumar D.

Electric lamp and discharge devices

Cathode ray tube

Plural beam generating or control

313412, 313447, 313409, H01J29/50

Patent

active

059053321

ABSTRACT:
An electron gun for a color cathode ray tube includes a cathode structure having three electron emitting portions in a field emission array cell. A focus electrode and a final acceleration electrode are sequentially arranged with respect to the cathode structure and form a main lens for focusing electron beams emitted from the three electron emitting portions. The eccentric distance of the electron emitting portions is shorter than the eccentric distance of the electron beam emitting holes in the focus electrode opposite the electron emitting portions. Focus characteristics and convergence characteristics are improved.

REFERENCES:
patent: 5491375 (1996-02-01), Iwasaki

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