Electric lamp and discharge devices – Cathode ray tube – Screen
Patent
1992-05-15
1997-05-06
O'Shea, Sandra L.
Electric lamp and discharge devices
Cathode ray tube
Screen
313112, 313466, H01J 2930
Patent
active
056274297
ABSTRACT:
A color cathode ray tube includes an intermediate layer between the face plate and the tricolor phosphor layer. The intermediate layer is a selective light absorption layer or a neutral filter layer. The selective light absorbing function and the uniform light absorbing function are imparted, not to the functional film on the outer surface of the face plate, but to the intermediate layer formed on the surface of the face plate facing the electron gun, namely, on the inner surface of the face plate. The mechanical strength of the functional film is thus enhanced.
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Mitsubishi Denki & Kabushiki Kaisha
O'Shea Sandra L.
Patel Vip
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