Electron beam display

Details Electron beam display Electron beam display

2009-03-12

2010-11-16

Patel, Vip (Department: 2889)

Electric lamp and discharge devices

Cathode ray tube

Screen

C313S496000

Reexamination Certificate

active

07834532

ABSTRACT:
An electron beam display, in which light extracting efficiency from phosphor and a bright-portion contrast are improved is provided, has: an electron-emitting device, a metal back, and a phosphor dot which is disposed in opposition to the electron-emitting device through the metal back and emits light responsive to an irradiation with an electron beam emitted from the electron-emitting device; and further has a face plate having a black member which is disposed in opposition to the electron source through the phosphor dot and has an aperture in a region in which the phosphor dot is formed. A region irradiated with the electron beam emitted from the electron-emitting device is not larger than the phosphor dot, a part of the black member is disposed in the region irradiated with the electron beam, and at least a part of the aperture is disposed outside of the region irradiated with the electron beam.

REFERENCES:
patent: 2005/0280349 (2005-12-01), Nishikawa et al.
patent: 2007/0035232 (2007-02-01), Jeon et al.
patent: 2008/0084156 (2008-04-01), Choi et al.
patent: 1913092 (2007-02-01), None
patent: 101162678 (2008-04-01), None
patent: 11-339683 (1999-12-01), None
patent: 2006-4804 (2006-01-01), None
patent: 10-0818258 (2008-03-01), None

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