Patent ID: 9117952
Filing Date: 2015-08-25
Classification: H01L,H02S,Y02E

Abstract:
1. A front sheet of a solar cell comprising: a substrate; an infrared ray (IR) blocking layer formed on one surface of the substrate and including a cholesteric liquid crystal (CLC) material; and an ultraviolet ray (UV) blocking layer formed on the IR blocking layer and including a fluorine-based polymer and a wavelength conversion material, wherein the wavelength conversion material converts light in the UV region into light in the visible region, and wherein the IR blocking layer blocks IRs having a wavelength of 1,000 nm to 2,650 nm, wherein the CLC material comprises 98 parts by weight to 99 parts by weight of the nematic liquid crystal compound; and 1 part by weight to 2 parts by weight of the chiral compound; and wherein the CLC material selectively reflects light having a selective reflection center wavelength of 1,000 nm to 2,650 nm.