Patent ID: 9310546
Filing Date: 2016-04-12
CPC Classification: G02B

Claim Text:
1. A backlight unit comprising: a light source which generates light; a light guide plate which guides the light from the light source substantially in an upward direction; a first frame member which holds the light source and diffuses the light traveling substantially in the upward direction between the light source and the light guide plate; a second frame member which holds the light guide plate; a third frame member which holds the light guide plate; a reflective plate disposed under the light guide plate, wherein the reflective plate reflects the light leaked downwardly from the light guide plate to the upward direction; and an optical sheet disposed on the light guide plate and the first to third frame members, wherein the optical sheet diffuses the light provided from the first frame member and the light guide plate and condenses the light substantially in the upward direction.