Patent ID: 7436117

Claim:
An organic electroluminescent device, comprising: a rear substrate; an organic electroluminescent unit arranged on one surface of the rear substrate, wherein the organic electroluminescent unit includes a first electrode, an organic film, and a second electrode; and a front substrate coupled with the rear substrate, wherein the front substrate includes an uncovered non-resin porous oxide layer arranged directly on an inner surface of the front substrate, the uncovered non-resin porous oxide layer adhering itself directly to the inner surface of the front substrate, wherein the porous oxide layer is formed of a material selected from the group consisting of: hydrated amorphous alumina, and one or more compound selected from the group consisting of metal halide, metal sulfate, and metal perchlorate; and hydrated amorphous alumina, silica, and one or more compound selected from the group consisting of metal halide, metal sulfate, and metal perchlorate, and wherein the alumina is boehmite or bayerite.