Display apparatus provided with a light-emitting glass face panel having an inner surface coated with a phosphor layer
AssigneeHitachi Displays, Ltd.
InventorsMasaki Nishikawa, Hidetsuga Matsukiyo
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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.
Claims10
A display apparatus comprising:
- a vacuum envelope that has a light transmissive face plate;
- a phosphor layer formed on an inner surface of the face plate;
- and
- an electron beam source that is housed in the vacuum envelope and emits electron beams to the phosphor layer, wherein
- the face plate includes a light-emitting glass layer added with a light-emitting substance that emits light when the electron beams are projected thereon.
Dependencies are inferred from the claim text.