Flat panel display device with beam collector

Details Flat panel display device with beam collector Flat panel display device with beam collector

1978-11-01

1980-08-05

Segal, Robert

Electric lamp and discharge devices

Cathode ray tube

Beam deflecting means

H01J 2908, H01J 2956

Patent

active

042164079

ABSTRACT:
An evacuated envelope includes spaced substantially parallel front and back walls, and a plurality of spaced, parallel support walls between the front and back walls and forming a plurality of channels. An electron gun structure at one end of the channels directs at least one beam of electrons into each channel. In each channel is a focusing guide comprising at least two substantially parallel guide grids which confine the electrons into a beam. At the end of the focusing guide opposite the gun structure is a beam collector structure which collects the beam and subsequently generates a signal which is processed and used to adjust the uniformity characteristics of each beam.

REFERENCES:
patent: 2830226 (1958-04-01), Aiken
patent: 3453482 (1969-07-01), Preist
patent: 4069439 (1978-01-01), Anderson
patent: 4075535 (1978-02-01), Genequand et al.
patent: 4088920 (1978-05-01), Siekanowicz et al.
patent: 4121137 (1978-10-01), Credelle
patent: 4126814 (1978-11-01), Marlowe

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