CPC G02F 1/133611 (2013.01) [G02B 6/0065 (2013.01); G02F 1/133605 (2013.01); G02F 1/133606 (2013.01); G02B 6/0051 (2013.01); G02B 6/0055 (2013.01); G02F 1/133603 (2013.01)] | 17 Claims |
1. A backlight unit comprising:
a plurality of light sources on a printed circuit;
a light source protective element on the plurality of light sources;
a base film on the light source protective element; and
a plurality of optical path control patterns on at least one surface of the base film, each of the plurality of optical path control patterns overlapping a corresponding light source from the plurality of light sources and configured to control optical paths of light generated by the corresponding light source that is incident on the optical path control pattern,
wherein the plurality of optical path control patterns comprise an acrylic-based resin or a polyester-based resin at least one type of inorganic particles dispersed in the acrylic-based resin or the polyester-based resin and a photoinitiator,
wherein the plurality of optical path control patterns include the photoinitiator of 1 wt % to 10 wt,
wherein the plurality of optical path control patterns comprise a plurality of protrusions disposed on at least one surface of the base film.
|