摘要:
An optical film according to an embodiment includes: a first phase retardation layer; and a second phase retardation layer, wherein the first phase retardation layer and the second phase retardation layer are stacked in sequence, the first phase retardation layer has an in-plane retardation value from about 240 nanometers (nm) to about 300 nm for incident light having a wavelength of about 550 nm (referred to as a "standard wavelength"), the second phase retardation layer has an in-plane retardation value of about 110 nm to about 160 nm for incident light having the standard wavelength, and an out-of-plane retardation value of the first phase retardation layer and an out-of-plane retardation value of the second phase retardation layer for incident light having the standard wavelength have opposite signs.