A dual-emission organic electroluminescent device. The dual-emission organic electroluminescent device comprises a first imaging element and a second imaging element parallel the first imaging element, and a desiccant layer disposed between the first and second imaging elements within the inner space. The first and second imaging elements are encapsulated by an sealant, and an inner space is surrounded by the sealant. Specifically, the first imaging element has an emission direction opposite that of the second imaging element. Each of the first and second imaging elements comprises a substrate, an organic electroluminescent element formed on the substrate, and a buffer layer covering the organic electroluminescent element.