VARIABLE FOCUS LENS, AND PREPARING METHOD OF THE SAME

摘要

The present invention relates to a variable focus lens including a graphene, a method of manufacturing the variable focus lens, a method of adjusting a focus of the variable focus lens, and a display device comprising the variable focus lens. According to the present invention, the variable focus lens comprises: a transparent dielectric elastomer layer, and a transparent electrode layer containing the graphene, wherein the transparent electrode layer independently contains one to twenty layers of the graphene.