Display apparatus provided with a light-emitting glass face...

Details Display apparatus provided with a light-emitting glass face... Display apparatus provided with a light-emitting glass face...

2008-01-01

2008-01-01

Santiago, Mariceli (Department: 2879)

Electric lamp and discharge devices

Cathode ray tube

Envelope

C313S47700R, C313S461000, C313S467000, C313S469000, C313S110000, C313S485000

Reexamination Certificate

active

07315114

ABSTRACT:
A display apparatus includes a face plate that constitutes a part of a vacuum envelope, a phosphor layer formed on an inner surface of the face plate, and an electron beam source that emits electron beams to the phosphor layer. The face plate includes a light-emitting glass layer containing a light-emitting substance that emits light when electron beams are projected thereon. By extracting energy of electron beams, which have reached the face plate, as light, it is possible to reduce browning that occurs in the face plate and improve brightness of a display image significantly.

REFERENCES:
patent: 3634711 (1972-01-01), Barber et al.
patent: 4134851 (1979-01-01), Klein et al.
patent: 4405881 (1983-09-01), Kobayashi
patent: 4581561 (1986-04-01), Palac
patent: 2004/0212302 (2004-10-01), Letz et al.

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