CPC G02F 1/133606 (2013.01) [G02F 1/133524 (2013.01); G02F 1/133605 (2013.01)] | 13 Claims |
1. A backlight comprising:
a substrate;
a plurality of light sources proximate the substrate;
a reflective layer on the substrate;
a light guide plate proximate the plurality of light sources;
a pattern of light extractors on the light guide plate, the pattern of light extractors comprising a varying density that is highest at locations that are farthest away from the plurality of light sources;
a plurality of patterned reflectors on the light guide plate, each patterned reflector aligned with a corresponding light source; and
a diffusive layer directly on a surface of the light guide plate,
wherein the diffusive layer comprises a plurality of first portions comprising a first diffusive pattern, each first portion aligned with a corresponding light source, and
a second portion surrounding each of the plurality of first portions, the second portion comprising a second diffusive pattern, the second diffusive pattern comprising a transmittance less than a transmittance of the first diffusive pattern.
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