Color television tube with phosphors on exterior surface of...

Details Color television tube with phosphors on exterior surface of... Color television tube with phosphors on exterior surface of...

H - Electricity

01

J

313/35.15

H01J 29/18 (2006.01) H01J 29/32 (2006.01) H01J 29/89 (2006.01)

Patent

CA 1060078

ABSTRACT OF THE DISCLOSURE A color television picture tube of the triad phosphor array type in which a single layer of cathodo- luminescent absorptive radiation emissive material is disposed on the interior surface of the tube faceplate. Radiation collimating means are associated with the tube faceplate, and at least two different primary color emissive materials are disposed on the exterior surface of the faceplate. The exterior disposed primary color emissive materials are absorptive of the radiation emitted by the internally- disposed material and excited to emission thereby.

257736

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