Projection television display tube and device having band pass i

Details Projection television display tube and device having band pass i Projection television display tube and device having band pass i

1988-07-11

1990-06-26

Coles, Sr., Edward L.

Facsimile and static presentation processing

Static presentation processing

Attribute control

358 64, 313474, H04N 931, H04J 2928

Patent

active

049376616

ABSTRACT:
Projection-television display tube includes a band pass or Fabry-Perot interference filter between the display window and the luminescent screen, resulting in the elimination of undesirable luminescent emissions both above and below the wavelength region of interest. A three-tube color projection display device includes such a filter in at least the green emitting display tube.

REFERENCES:
patent: 4376949 (1983-03-01), Rowe
patent: 4633131 (1986-12-01), Khurgin
patent: 4634926 (1987-01-01), Vriens et al.
patent: 4683398 (1987-07-01), Vriens et al.
patent: 4730211 (1988-03-01), Hasegawa
patent: 4766498 (1988-08-01), Spruit

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