Backlight module with light guide protrusion and liquid crystal display with same

摘要

An exemplary backlight module ( 1 ) includes a light guide plate ( 10 ) and at least one point illuminator ( 12 ). The light guide plate includes a first side surface ( 102 ), and a protrusion ( 14 ) outwardly extending from the first side surface. The protrusion includes at least one second side surface ( 144 ) oblique to the first side surface. The at least one point illuminator is adjacent to the least one second side surface.