Patent ID: 8400584

Claim:
A liquid crystal display device comprising: a liquid crystal panel; and a backlight which radiates light to the liquid crystal panel, wherein the backlight includes a plurality of light emitting elements and a light guide plate including a back-surface and a top-surface, light emitting elements are aligned along a light incident side surface of the light guide plate, two opposite side edge portions of the light guide plate extend in a direction perpendicular to the light incident side surface and are tapered such that a width of the light guide plate extending between the two opposite side edge portions is increased from the back-surface to the top-surface, a width of the top-surface of the light plate extending between the two opposite side edge portions is larger than a width of the back-surface of the light guide plate extending between the two opposite side edge portions; an ejector pin mark is formed on a back-surface side of the light guide plate in the vicinity of at least one of the two opposite side edge portions and has a concave shape, and wherein a fixing projection is formed on the at least one of the two opposite side edge portions of a top-surface side of the light guide plate in the vicinity of the ejector pin mark.