Flat picture display device

Details Flat picture display device Flat picture display device

1992-02-11

1993-02-02

Ramsey, Kenneth J.

Electric lamp or space discharge component or device manufacturi

Process

With assembly or disassembly

228182, H01J 918

Patent

active

051834251

ABSTRACT:
A picture display device includes an envelope having a faceplate, having an inner surface formed with a phosphor screen, and a back covering coupled to the faceplate to define an evacuated chamber; filament-like cathode electrodes and electron beam control electrodes disposed within the evacuated chamber for emitting electron beams towards the phosphor screen; a cathode electrode support member for retaining the cathode electrodes and having one of opposite surfaces held in contact therewith; a shape retention plate for retaining at least the cathode electrodes and the support member in a predetermined curved shape; a plurality of support struts for fixing the shape retention plate in a face-to-face relationship with the phosphor screen; and a reinforcement grid structure disposed in contact with a surface of the shape retention plate opposite that facing the phosphor screen so as to follow the curvature of the shape retention plate.

REFERENCES:
patent: 3759207 (1973-09-01), Terai
patent: 4690319 (1987-09-01), Smith et al.
patent: 4917934 (1990-04-01), Sempolinski

Affiliated with

Also associated with

Rating

Flat picture display device does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Flat picture display device, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Flat picture display device will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-4787