Sk Innovation Co., Ltd.

Sk Ie Technology Co., Ltd.

Yeong Min Jo

Hyuk Joo Kim

Myoung Lae Kim

Min Sang Park

Hyo Shin Kwak

Seung Min Jeon

Seung Eon Lee

Won Yeob Kim

Je Seung Park

Min Joung Im

Provided are a polyimide-based film, a window cover film, and a display device including the same. More specifically, a polyimide-based film having different surface energies from each other on both surfaces, a window cover film having excellent optical properties such as a visibility, and a display panel including the same are provided.

Polyimide-based film and flexible display panel including the same

Provided are an optical film using a cellulose derivative, useful in an image display device, such as a liquid crystal display or the like, a retardation film and a polarization film using the optical film, and a liquid crystal display having excellent view angle characteristics by using these films, while the optical film uses a cellulose derivative resin in which some hydrogen atoms of hydroxy groups of cellulose are substituted with three or more kinds of substituents.

Optical film

Growing community of inventors

Daejeon, South Korea

Yeong Min Jo