Patent ID: 8174188
Filing Date: 2012-05-08
Classification: H05B

Abstract:
1. An ELD (electro-luminescent device) comprising an MIT (metal-insulator transition) layer, comprising: a substrate; a EL phosphor layer positioned on the substrate and comprising luminescent center ions generating light; the MIT layer disposed on one side of the EL phosphor layer and being abruptly changed from an insulator to a metal according to a variation of a voltage; a first insulator adhered to the MIT layer; and a second insulator disposed on the other side of the EL phosphor layer, wherein: a first voltage applied to the entire ELD, is dividedly applied to the first insulator, the second insulator, the MIT layer, and the EL phosphor layer; the first voltage applied to the entire ELD determines the abrupt change of the MIT layer to the metal, such that the abrupt change of the MIT layer to the metal occurs when a portion of the first voltage applied to the MIT layer is the same as or greater than V a thickness of the MIT layer is determined so that when the portion of the first voltage applied to the MIT layer is equal to or lower than V