Cathode ray tube face plate construction for suppressing the hal

Details Cathode ray tube face plate construction for suppressing the hal Cathode ray tube face plate construction for suppressing the hal

1979-05-07

1982-01-12

Demeo, Palmer C.

Electric lamp and discharge devices

Cathode ray tube

Screen

313478, H01J 2928, H01J 2989

Patent

active

043107834

ABSTRACT:
A cathode ray tube face plate construction for suppressing the halo on the face plate of the cathode ray tube having a face plate formed of glass with an index of refraction in the vicinity of 1.52 and with outer and inner surfaces. A fluorescent phosphor screen is carried by the inner surface. A metallic coating may overlie the phosphor screen on the side of the screen facing away from the face plate. An absorbing filter is disposed between the phosphor screen and the face plate for absorbing light emitted from the phosphor screen. An angle sensitive short wave pass filter is disposed between the phosphor screen and the absorbing filter for reflecting light emitted at a high angle from the phosphor screen.

REFERENCES:
patent: 2476619 (1949-07-01), Nicoll
patent: 2599739 (1952-06-01), Barnes
patent: 2676109 (1954-04-01), Barnes et al.
patent: 3185020 (1965-05-01), Thelen
patent: 3504212 (1970-03-01), Wollentin et al.
patent: 3573529 (1971-04-01), Tomii

Affiliated with

Also associated with

Rating

Cathode ray tube face plate construction for suppressing the hal does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Cathode ray tube face plate construction for suppressing the hal, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Cathode ray tube face plate construction for suppressing the hal will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-1543225