Image forming apparatus

Details Image forming apparatus Image forming apparatus

2005-12-27

2005-12-27

O'Shea, Sandra (Department: 2875)

Electric lamp and discharge devices

With luminescent solid or liquid material

Vacuum-type tube

C313S466000, C313S473000, C427S064000

Reexamination Certificate

active

06979948

ABSTRACT:
There is disclosed an image forming apparatus in which electric discharge by a peeled metal back film is prevented. In the image forming apparatus provided with a rear plate having an electron emitting device, and a face plate having a conductive film and a fluorescent layer having fluorescent particles, the conductive film is disposed on the fluorescent layer. When an average thickness of the fluorescent layer is set to d, an average particle diameter of the fluorescent particles is rp, and the thickness of the fluorescent film is D, D−rp≦d≦D+rp is satisfied.

REFERENCES:
patent: 4707635 (1987-11-01), Tateyama et al.
patent: 5670296 (1997-09-01), Tsai
patent: 5814934 (1998-09-01), Tsai
patent: 6163108 (2000-12-01), Toki et al.
patent: 55-64348 (1980-05-01), None
patent: 61-220250 (1986-09-01), None
patent: 7-282743 (1995-10-01), None

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