BACKLIGHT UNIT CAPABLE OF INCREASING COLOR UNIFORMITY AND BRIGHTNESS UNIFORMITY

摘要

PURPOSE: A backlight unit is provided to maintain color uniformity and brightness uniformity even though an interval between light sources gets broad.;CONSTITUTION: A light guide plate(200) has a light mixing unit and a light emitting unit. Light incident from a light incident surface are mixed in the light mixing unit. The light emitting unit emits light. A plurality of light sources(100) are arranged along with a light incident surface of the light guide plate. A light path changing unit is formed in the light mixing unit of the light guide plate. The light path changing unit changes a path of light emitted from the light sources.;COPYRIGHT KIPO 2012