Lewis Roca Rothgerber Christie LLP
Contrast ratio improving optical film, polarizing plate comprising same, and liquid crystal display device comprising same
Provided are a contrast ratio improving optical film, a polarizing plate comprising the same, and a liquid crystal display device comprising the same, wherein the contrast ratio improving optical film comprises a contrast ratio improving layer. The contrast ratio improving layer comprises a first resin layer and a second resin layer which faces the first resin layer, wherein the second resin layer comprises a pattern part having optical patterns and a flat part between the optical patterns. The optical patterns have at least one inclined surface with respect to the flat part, and the flat part or the inclined surface has a light absorption layer formed thereon. The contrast ratio improving optical film has a lowest reflectance of 0.5% or less.
Samsung SDI Co., Ltd.
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G02F B32B G02F G02F G02F G02F G02B
inventional inventional inventional inventional additional additional inventional
Young Hyun Jeong Ho Dong Ho Jang Hyun Yong Un Dae Seob Young
Ju Lee Wee Cho Jung Shim Oh