Sk Innovation Co., Ltd.

Sk Ie Technology Co., Ltd.

Lg Chem, Ltd

Sk Global Chemical Co., Ltd.

Hye Jin Park

Cheol Min Yun

Seung Woo Lee

Hee Soo Kim

Ho Won Lee

Dae Hyun Choo

Jae Suk Choi

Young Eun Cheon

Ju Hwan Im

Sang Yoon Ji

Seon Ju Lim

Changho Cho

Chang Q Lee

Je Mi Lim

Provided are a separator and an electrochemical device using the same, in particular, a separator having significantly low heat shrinkage even at a high temperature and also significantly improved adhesive strength by including inorganic particles having specific fluorescence properties in the separator, and an electrochemical device using the same.

Separator and electrochemical device using the same

The present invention relates to an alkali soluble, photo-curable and thermo-curable copolymer containing three types of (meth)acrylate repeating units classified by the type of functional groups present at the terminal, and a photosensitive resin composition, a photosensitive resin film, and a color filter using the same.

Alkali soluble, photo-curable and thermo-curable copolymer, and photosensitive resin composition, photosensitive resin film and color filter using the same

Provided is a method of preparing a composition for forming a polyimide film which may significantly improve dispersibility of a pigment. Specifically, the method includes preparing a polyamic acid resin in the presence of a pigment dispersion including a blue-based inorganic pigment and a dispersing agent. In addition, an average particle size of the inorganic pigment in the pigment dispersion may be 10 to 100 nm.

Method of preparing composition for forming polyimide film, composition for forming polyimide film prepared therefrom, and use thereof

Provided are a composition for forming a polyimide film for a cover window which may satisfy performance required for an advanced cover window, a method for preparing the same, and a use thereof. According to an implementation, a polyimide film for a cover window, which has excellent visibility without optical stain while colorless and transparent optical properties were not deteriorated and has excellent heat resistance and mechanical properties, and thus, is for use in optical applications, may be provided. In addition, a polyimide film for a cover window according to an implementation may be useful in various display devices.

Composition for forming polyimide film for cover window, method for preparing the same, and use thereof

An embodiment relates to a polyimide based film for a cover window that may satisfy required performance of an advanced cover window, and a use thereof, and the polyimide based film for a cover window according to the embodiment has excellent visibility without optical stains without deterioration in colorless and transparent optical physical properties, and excellent heat resistance and mechanical physical properties, and thus, may be usefully used for optical applications or the purpose of replacing existing tempered glass. In addition, the polyimide based film for a cover window according to an embodiment may be usefully used in a multilayer structure and a display device.

Polyimide based film for cover window and display device comprising the same

Disclosed herein are a dehydrogenation catalyst having single-atom cobalt loaded on a silica-based, shaped support, a preparation method therefor, and a method for preparing an olefin by dehydrogenating a corresponding paraffin, particularly light paraffin in the presence of the dehydrogenation catalyst.

Shaped dehydrogenation catalysts and process for converting paraffins to corresponding olefins, using same

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Daejeon, South Korea

Hye Jin Park