Patent ID: 7781976
Filing Date: 2010-08-24
Classification: C09K,G09G,H01J

Abstract:
1. A flat light source structure, comprising: an upper substrate made of a light transmitting material; a lower substrate separated from the upper substrate by a distance; a barrier rib for maintaining the distance between the upper substrate and the lower substrate, thereby defining a discharge space filled with a discharge gas at a predetermined pressure between the upper substrate and the lower substrate; a phosphor layer coated on at least one of the inner surfaces of the upper substrate and the lower substrate, respectively; a pair of main electrodes disposed in the discharge space at predetermined positions on the surface of the upper and/or lower substrate, covered with a dielectric layer in the discharge space, and applied with a predetermined driving voltage to induce electric field which may generate plasma in the discharge space where the vacuum ultra violet rays from plasma excite the phosphor so as for the phosphor to emit visible light; and an auxiliary electrode formed at a predetermined position on the lower or upper substrate and having a parallel component and a perpendicular component which are all positioned within the discharge space when viewing the discharge space from the upper substrate, wherein the parallel component and the perpendicular component are parallel with and perpendicular to a component of one of the pair of main electrodes parallel with the barrier rib, respectively.