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US 2018/0321431 A1Published application
Optical film
AssigneeLG Chem, Ltd.
InventorsSin Young KIM, Sergey BELYAEV, Ji Youn LEE, Moon Soo PARK
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Abstract
The present application relates to an optical film and a use of the optical film, and can provide an optical film exhibiting selective transmission and blocking characteristics according to viewing angles, and such an optical film can be usefully used as a security film for a display device such as LCD, a smart window, sunglasses and the like.
Claims20
An optical film comprising a first linear polarizer, and first and second spray orientation liquid crystal films sequentially formed on the first linear polarizer.
Dependencies are inferred from the claim text.