Color cathode ray tube having a striped phosphor screen

Details Color cathode ray tube having a striped phosphor screen Color cathode ray tube having a striped phosphor screen

H - Electricity

01

J

313/35.155, 313/

H01J 29/06 (2006.01) H01J 9/227 (2006.01) H01J 29/07 (2006.01) H01J 29/08 (2006.01) H01J 29/32 (2006.01)

Patent

CA 1086810

A COLOR CATHODE RAY TUBE HAVING A STRIPED PHOSPHOR SCREEN ABSTRACT OF THE DISCLOSURE This invention provides a color cathode ray tube which includes a curved screen provided with elemental phosphor stripes substantially vertically oriented, and running cyclically red, green and blue. Spaced inwardly from the screen is a shadow mask containing small rectangular apertures, and the cathode ray tube also provides electron gun means generating three electron beams arranged in a common horizontal plane. The rectangular apertures in the mask, as well as the elemental phosphor stripes, are substantially straight and vertical on or near the vertical axis of the mask looking from the direction of the central axis of the tube, but gradually curve with an increasing curvature in the direction laterally from the center out toward the periphery of the mask.

179953

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