Patent ID: 9606287
Date: 2017-03-28
CPC Classifications: G02B,G02F

Claim:
1. A backlight assembly, comprising: a light source unit which emits light; a light guiding plate which is formed at one side of the light source unit; at least one or more optical sheets which are disposed on the light guiding plate, each optical sheet having a rectangular shaped main body having first to fourth sides and first to fourth corners which are sequentially connected, the first corner being formed by the first and fourth sides, the second corner being formed by the first and second sides, the third corner being formed by the second and third sides and the fourth corner being formed by the third and fourth sides; and a mold frame of constant depth which accommodates and fixes the light source unit, the light guiding plate and each optical sheet, wherein the at least one of the optical sheets includes: a first tab which continuously protrudes in a same plane as the main body and in a direction perpendicular to the second side while being adjacent to the second corner, one edge of the first tab intersecting an edge of the first side, and a second tab which protrudes in the same plane as the main body and in a direction perpendicular to the third side and is disposed to be between and spaced apart from the third corner and the fourth corner.