Display apparatus including reflective layer, method of manufacturing display apparatus and backlight unit

A method of manufacturing a backlight unit of a display apparatus, the method comprising:

• providing a plurality of light sources configured to emit light between a first reflective layer configured to reflect the light emitted from the plurality of light sources and a second reflective layer configured to reflect the light reflected from the first reflective layer,
• wherein an amount of reflection from the first reflective layer and an amount of transmission through the first reflective layer are different from each other according to an angle of incidence of light incident on the first reflective layer,
• wherein the amount of reflection is greater than the amount of transmission when the angle of incidence is less than a predetermined angle,
• wherein the first reflective layer comprises a plurality of layers, and
• wherein the plurality of layers is formed so that light of a predetermined central wavelength is reflected and light of a predetermined surrounding wavelength is transmitted.