Patent ID: 9182537
Filing Date: 2015-11-10
Classification: G02B,G02F

Abstract:
1. A backlight unit in a display device, comprising: a rectangular lower case having a bottom surface and four side walls each extending upward from each of the four edges of the surface; a supporter separate from the rectangular lower case, the supporter placed on the bottom surface and below a pad portion of a liquid crystal panel, the supporter offset to abut a first side wall of the rectangular lower case but not abut a second side wall opposite to the first side wall, the supporter in conjunction with the second side wall, the third side wall and the fourth side wall of the lower case defining an accommodation area, the supporter formed with an indented surface; a light guide plate disposed in the accommodation area, the light guide plate configured to transmit light received at a side surface to a top surface; an optical sheet on the light guide plate, the optical sheet having a leg portion extending from a corner of the optical sheet facing the supporter, the leg portion received in the indented surface of the supporter to fix the optical sheet on the light guide plate; and a light source irradiating the light to the side surface of the light guide plate.