Patent ID: 9448350
Filing Date: 2016-09-20
CPC Classification: F21V,G02B

Claim Text:
1. A backlight unit of a display device, the display device comprising a display panel, the backlight unit, and a middle mold configured to support the display panel and the backlight unit, wherein the middle mold comprises a lower portion extending in a direction substantially perpendicular to the display panel, and an extension portion extending from the lower portion and disposed between the display panel and at least a portion of the backlight unit, the backlight unit comprising: a light guide plate comprising an upper portion that is supported by the extension portion of the middle mold; a light emitting unit configured to irradiate light toward a side portion of the light guide plate, the side portion comprising an upper side part and a lower side part; and a reflective sheet disposed at a lower portion of the light guide plate and extending in a direction parallel with the light guide plate, wherein the reflective sheet comprises a light controller, wherein the light controller comprises a first region overlapping the light guide plate and a second region not overlapping the light guide plate, and a reflectivity of the first region is different from a reflectivity of the second region, and wherein the first region substantially absorbs light and the second region substantially reflects light.