Patent ID: 8931946
Filing Date: 2015-01-13
Classification: G02B,G06K,G09F

Abstract:
1. A backlight assembly comprising: at least one light source; a light guide panel for guiding light provided from the light source and for emitting guided light in an emission direction; a first optical sheet disposed on the light guide panel, wherein a first sign is marked on the first optical sheet; a second optical sheet disposed on the first optical sheet, wherein a second sign differing from the first sign is marked on the second optical sheet; wherein the first sign does not overlap the second sign in the emission direction, a chassis containing the light source, the light guide panel, the first optical sheet, and the second optical sheet; and a frame covering the chassis and at least a portion of edges of the first optical sheet and the second optical sheet and having a hole exposing the first sign and the second sign simultaneously.