LIGHT FILTER AND DISPLAY DEVICE INCLUDING THE SAME

摘要

The present invention relates to an optical filter and a display device including the same. The optical filter according to the embodiment of the present invention includes: a first cholesteric liquid crystal layer which transmits ultraviolet rays and first circular polarized visible rays and reflects second circular polarized visible rays; and a 1/4λretardation film which is located on the upper side of the first cholesteric liquid crystal layer.