Patent ID: 7436119
Filing Date: 2008-10-14
Classification: G02F,H01J

Abstract:
1. A flat panel fluorescent lamp comprising: a first fluorescent layer on an upper plate having a plurality of prominences and depressions; a lower plate leaving a predetermined gap from the upper plate to form a discharge space together with the upper plate; an electric discharge gas within the discharge space; a plurality of electrodes on the lower plate; an insulating layer on the plurality of electrodes; a secondary electron-producing layer on the lower plate formed the insulating layer; and a second fluorescent layer on the secondary electron-producing layer, to expose first portions of the secondary electron-producing layer to the discharge space, wherein the secondary electron-producing layer includes the first portions and second portions, wherein the first portions are directly exposed into the discharge space and wherein the second portions are not exposed into the discharge space by the second fluorescent layer.