Patent ID: 6541907
Filing Date: 2003-04-01
Classification: H01J

Abstract:
An image forming apparatus comprising:a rear plate having an electron emitting device; and a face plate having a substrate, a fluorescent layer disposed on the substrate and a conductive film disposed on said fluorescent layer, wherein said fluorescent layer comprises fluorescent particles, wherein when an average thickness of said fluorescent layer in one pixel is set to d, an average particle diameter of said fluorescent particles is rp, and the thickness of the fluorescent film in one sub-pixel of said fluorescent layer is D, Dâˆ’rpwherein said fluorescent layer comprises a fluorescent film and an interval defining member adjacent to said fluorescent film, and said interval defining member is covered with said adjacent fluorescent film, and wherein said fluorescent film comprises fluorescent films of three colors, and said fluorescent film covering said interval defining member occupies 80% or more of said interval defining member by a fluorescent film of one color of said three colors.