Display device

Details Display device Display device

2007-11-20

2007-11-20

Santiago, Mariceli (Department: 2879)

Electric lamp and discharge devices

With luminescent solid or liquid material

Vacuum-type tube

C313S496000, C313S497000

Reexamination Certificate

active

10929602

ABSTRACT:
A flat type display device is provided which is capable of accurately and easily assembling a spacer when arranging the spacer while reducing the danger of damaging the metal back. In the display device, a plurality of fine holes each having a fluorescent materials are formed on a light transparency substrate and a metal sheet is arranged by a black oxide film formed on the surface of the light transparency substrate side so as to obtain a light absorbing layer. A plurality of concave portions are provided on a surface of the metal sheet of the rear substrate side. A metal back having an openings corresponding to predetermined areas containing each of the concave portions is superimposed on the metal sheet, thereby constituting an acceleration electrode of two-layer structure. The spacer is inserted into the concave portion on the metal sheet exposed in the opening of the metal back.

REFERENCES:
patent: 5477105 (1995-12-01), Curtin et al.
patent: 5650690 (1997-07-01), Haven
patent: 6653777 (2003-11-01), Onishi
patent: 2002/0013113 (2002-01-01), Onishi et al.
patent: 07-282743 (1995-10-01), None
patent: 2001-101965 (2001-04-01), None

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