Patent ID: 9262971
Filing Date: 2016-02-16
CPC Classification: G02B,G02F,G09G

Claim Text:
1. A light unit comprising: at least one optical assembly including: a light source having a substrate and a plurality of light emitting devices on the substrate; a light guide panel having a light incident section to receive light from a first direction and a light emitting section adjacent to the light incident section to emit light received from the light incident section in a second direction; and a first cover fixing the light source and the light guide panel; and a driving unit independently or divisionally driving the at least one optical assembly, wherein the plurality of light emitting devices are divided into a plurality of division groups, wherein a first light emitting device in a first division group among the plurality of division groups emits light independently from a second light emitting device in a second division group among the plurality of division groups such that a brightness of the first division group is different from a brightness of the second division group; wherein at least one protrusion is provided on the light incident section and protrudes in the second direction, and wherein the first cover includes at least one recess having a shape complementary to the at least one protrusions to allow mating between the at least one recess and the at least one protrusion.