CPC G02F 1/133507 (2021.01) [G02B 5/1866 (2013.01); G02B 5/3033 (2013.01); G02F 1/133528 (2013.01)] | 40 Claims |
1. A light redirecting film, comprising:
a light redistribution layer including:
a plurality of strip-shaped micro prisms extending along a first direction and arranged at intervals; and
a plurality of diffraction gratings arranged at bottoms of the intervals between the adjacent strip-shaped micro prisms, wherein each of the strip-shaped micro prisms has at least one inclined light-guide surface, and the bottom of each interval has at least one set of diffraction gratings; and
a light guide layer disposed on the light redistribution layer, and in contact with the strip-shaped micro prisms and the diffraction gratings.
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