Color picture tube faceplate panel

Details Color picture tube faceplate panel Color picture tube faceplate panel

1995-02-15

1996-10-22

Oberley, Alvin E.

Electric lamp and discharge devices

Cathode ray tube

Envelope

445 22, H01J 3100

Patent

active

055680119

ABSTRACT:
The present invention provides an improvement in a color picture tube. The tube includes an envelope comprising a faceplate panel, a funnel and a neck. The faceplate panel includes a transparent rectangular faceplate having a cathodoluminescent screen on an interior surface thereof, and a peripheral sidewall. The improvement comprises the faceplate panel having either an interior or exterior blend radius from the faceplate to the sidewall that varies around the periphery of the panel in such a manner that the stresses in predetermined areas of the panel are reduced.

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