Backlight unit having a light guide plate with a patterned capping layer and display device including the same

Abstract

A backlight unit includes a light guide plate and a wavelength conversion layer disposed on a surface of the light guide plate. The wavelength conversion layer is configured to convert a color of incident light. The wavelength conversion layer includes an emboss pattern thereon. The emboss pattern includes a plurality of peak portions and a plurality of valley portions. The plurality of peak portions includes a first peak portion, a second peak portion proximate to the first peak portion in a first direction, and a third peak portion proximate to the first peak portion in a second direction. The plurality of valley portions includes a first valley portion disposed between the second peak portion and the third peak portion.

Dependencies are inferred from the claim text.