Cheil Industries Inc.

Sei Jin Oh

Jin Woo Lee

Sun Hong Park

Gyu Chan Cho

Chang Gyu Im

Bang Duk Kim

An optical laminate film, a backlight unit, and a liquid crystal display module, the optical laminate film including a multilayer film composed of multiple layers including at least two polymers having different refractive indexes, the multilayer film transmitting only a light component vibrating in a direction parallel to one transmittance axis while reflecting other light components; an embossed diffusing film laminated on one side of the multilayer film, the embossed diffusing film having roughness on a surface thereof; and a microlens film laminated on another side of the multilayer film, the microlens film having microlenses arranged on a surface thereof.

Optical laminate film, backlight unit including the same, and liquid crystal display including the same

A light diffusion film includes a thermoplastic resin, a surface of the light diffusion film has a roughness (Ra) of about 0.5 to about 3 &#x3bc;m and a height distribution index (HDI) of about 3 to about 8 &#x3bc;m, and the light diffusion film has a retardation of not more than about 25 nm.

Growing community of inventors

Uiwang-si, South Korea

Sei Jin Oh