Patent ID: 7616271
Filing Date: 2009-11-10
Classification: G02B

Abstract:
1. A backlight assembly comprising: a plurality of light guiding plates, each of the light guiding plates includes a light emitting plane perpendicular to a light entering plane, a light reflecting plane opposite the light emitting plane, and a facing plane, the light entering plane, the light emitting plane, and the facing plane are disposed to be perpendicular to each other; and at least one light source unit that illuminates the light guiding plates, wherein each of the light guiding plates includes at least one protrusion that protrudes from the facing plane thereof so as to allow adjacent light guiding plates to be separated from each other by a separation distance, light from the light source is incident on the light entering plane and emitted from the light emitting plane, and each of the light guiding plates is disposed to extend in a direction perpendicular to the light entering plane.