Patent ID: 9494723
Filing Date: 2016-11-15
CPC Classification: G02B,G02F

Claim Text:
1. A display device comprising: a light source; a light guide part having a plate shape with a side surface and a top surface to guide light received from the light source at the side surface such that the light exits through the top surface of the light guide part; a scattering part to scatter light exiting from the top surface of the light guide part; a light conversion member provided over the light guide part and the scattering part, the scattering part being provided between the light guide part and the light conversion member; and a display panel over the light conversion member, wherein the scattering part is provided over the top surface of the light guide part, the scattering part including a plurality of beads, and the beads having a diameter in a range of 50 nm to 10 μm, the light conversion member includes a lower substrate, a light conversion layer on the lower substrate, and an upper substrate on the light conversion layer, the light conversion layer has a plurality of light conversion particles and a host layer, and the light conversion particles comprise a quantum dot (QD), and the beads are provided between the lower substrate of the light conversion member and the top surface of light guide part.