| CPC G02F 1/133605 (2013.01) [G02F 1/133603 (2013.01); F21V 7/0083 (2013.01)] | 16 Claims |
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1. A planar light source comprising:
a substrate;
a plurality of light sources arranged on the substrate; and
at least one partitioning member disposed on the substrate, wherein
the at least one partitioning member includes
a plurality of first wall parts defining a plurality of first ridges extending in a first direction,
a plurality of second wall parts defining a plurality of second ridges extending in a second direction that intersects the first direction, and
a plurality of partitioned regions each including an opposing pair of the first wall parts and an opposing pair of the second wall parts, and being surrounded by the first ridges and the second ridges in a plan view, each of the first wall parts and the second wall parts having a constant height:
the plurality of partitioned regions are arranged in the first direction and in the second direction,
at least one first cut is defined on at least one of the first ridges,
at least one second cut is defined on at least one of the second ridges,
the at least one first cut and the at least one second cut are spaced apart from each other in the plan view, and
at least one of the light sources is arranged in a corresponding one of the partitioned regions.
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