Patent ID: 9310646
Filing Date: 2016-04-12
CPC Classification: G02F

Claim Text:
1. A backlight unit comprising: a base layer; a plurality of substrates disposed on the base layer and separated from each other; and light sources disposed on each of the substrates, wherein: the plurality of substrates includes a first substrate and a second substrate, and the light sources include a first light source disposed on the first substrate and a second light source disposed on the second substrate, wherein: the base layer includes a first part overlapping with the first substrate, a second part overlapping with the second substrate, and a third part positioned between the first part and the second part, the third part has a maximum thickness at a first position, the maximum thickness being thicker than the first part and the second part, and a thickness of the base layer gradually increases from the first part to the first position, and the thickness of the base layer gradually decreases from the first position to the second part, wherein the light sources each include a respective light emitting face configured to emit light, wherein a light emitting face of the first light source is configured to face the first position, and a light emitting face of the second light source is configured to face opposite to the first position, and wherein a first slope of the base layer from the first part to the first position is less than a second slope of the base layer from the first position to the second part.