Lg Electronics Inc.

Ung Sang Lee

Chang Jong Kim

Young Gun Kim

Yun Ho Choi

Chul Young Kim

Sang Gon Lee

Kab Jin Hwang

Sang Gou Lee

Ho Sung Chin

Bong Taek Hong

A backlight assembly of an LCD is provided. The backlight assembly includes a lamp for generating a light, a light guide plate disposed at a side of the lamp, for guiding the light, and a diffusion sheet and a prism sheet disposed on the light guide plate, for enhancing efficiency of the light outputted from the light guide plate, wherein the prism sheet comprises a body part and a plurality of protrusion parts each having a concavely inclined surface formed on the body part.

Backlight assembly of liquid crystal display

A prism sheet of an LCD includes a body part made of a transparent resin material and a plurality of polypyramid-shaped optical unit structures formed in a intaglio type on the body part. The plurality of optical unit structures have intaglio-type polypyramid shapes in an inside of their polygonal structure. A center of the intaglio portion corresponds to a vertex of the polypyramid, thereby forming a point.

Prism sheet of liquid crystal display device and backlight unit using the same

Growing community of inventors

Chungjoo-si, South Korea

Ung Sang Lee