Patent ID: 9158056
Filing Date: 2015-10-13
Classification: G02B

Abstract:
1. A spread illuminating apparatus comprising: a plurality of point light sources; a printed circuit board on which the plurality of point light sources is each mounted; and a light guide plate with a light input surface facing the point light sources and a light output portion that exits plane light emitted from the point light sources and introduced through the light input surface, wherein the light guide plate includes an inclination portion between the light input surface and the light output portion, the inclination portion comprising an inclined surface a thickness of which gradually decreases toward the light output portion side, the inclined surface includes at least one pedestal for disposing the printed circuit board, the at least one pedestal being positioned in an area except the front of the point light source, and a light-blocking member is disposable on the inclined surface of the inclined portion at the light guide plate, the blocking member being placed in front of each of the plurality of point light sources which is sandwiched between pedestals adjacent to each other.