Birch, Stewart, Kolasch & Birch, LLP
Prism sheet employed in a backlight unit
The present invention relates to a prism sheet employed in a backlight unit. The prism sheet according to one embodiment of the present invention comprises a coating layer having a resin transmitting the incident light from the outside; and a plurality of beads contained in the resin and scattering the incident light; a base film disposed on the coating layer and transmitting the light; and a plurality of prisms disposed on the base film, and refracting and condensing the light transmitted from the base film. The prism sheet of the present invention may not be deformed even if the temperature of the backlight unit is increased.
LG Electronics Inc.
G G G
G02B G02B G02F
inventional inventional additional
Seoung Ho Kab Jin
Lee Hwang