Lateral field emission device

Details Lateral field emission device Lateral field emission device

2006-06-30

2010-11-23

Roy, Sikha (Department: 2879)

Electric lamp and discharge devices

With luminescent solid or liquid material

Vacuum-type tube

C313S310000, C313S494000, C313S496000, C445S024000, C445S050000, C445S051000

Reexamination Certificate

active

07839070

ABSTRACT:
A field emission device has pixels with cathode and anode provided on the same plane, so that electrons directly penetrate an independently provided fluorescent powder layer to produce light, giving the display the advantages of easy focusing, no dark spots, high brightness, and enhanced light emitting performance. Since the light produced by the fluorescent powder layer is not blocked by the anode, the problem of charge accumulation on the fluorescent powder layer is avoided, and it is not necessary to use expensive light-transmittable conducting glass as the anode. With the cathode and the anode located at the same plane, it is not necessary to use a high precision spacer to maintain a fixed distance between the cathode and the anode, enabling the device to be manufactured at reduced cost and high good yield.

REFERENCES:
patent: 5402041 (1995-03-01), Kishino et al.
patent: 6250984 (2001-06-01), Jin et al.
patent: 6445122 (2002-09-01), Chuang et al.
patent: 2002/0067114 (2002-06-01), Choi et al.
patent: 2004/0129930 (2004-07-01), Ohnuma et al.
patent: 2004/0245910 (2004-12-01), Tang et al.
patent: 2005/0062390 (2005-03-01), Takeuchi et al.

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