Lg Chem, Ltd

Kichul Koo

Jung Ho Jo

Seongku Kim

Jun Young Yoon

Hoonseo Park

Soonho Kwon

Minyoung Kang

Hoyong Lee

Sang Mi Lee

Sung Joon Min

Hyeong Seuk Yun

Soon Ho Kwon

Duy Hieu Le

Kyunghwan Kim

Hyeongseuk Yun

Yoon Bin Lim

Min Woo Jung

Sung Kil Hong

Dong Uk Heo

Yongbum Cha

Miyeon Han

Hye Won Jeong

Kyungjun Kim

Jungi Jang

Hangah Park

Minju Kim

The present invention discloses a novel diamine that has a structure bearing an intramolecular imide group and additionally an amide-substituted aromatic ring group at opposite sides of the imide group. The use of the novel diamine as a polymerization ingredient in polyimide production can provide a polyimide film which has remarkably improved mechanical and thermal properties while maintaining optical properties.

Diamine compound, and polyimide precursor and polyimide film using same

Disclosed is a novel diamine having a structure of comprising an intramolecular imide group, and further comprising aromatic cyclic groups linked by an ester group to both sides of the imide group. When the novel diamine is used as a polymerizable component for preparing a polyimide, a polyimide film having remarkably improved mechanical and thermal properties while maintaining optical properties can be provided.

Diamine compound, polyimide precursor using same, and polyimide film

The present invention relates to a cross-linking agent compound of which end functional group is substituted with a protection group of a specific structure, a liquid crystal alignment composition comprising the cross-linking agent compound and polymer containing repeat units of polyimide or a precursor thereof, a method of preparing liquid crystal alignment film, a liquid crystal alignment film, and a liquid crystal display using the same.

Cross-linking agent compound, liquid crystal alignment composition comprising the same, method of preparing liquid crystal alignment film, and liquid crystal alignment film and liquid crystal display using the same

The present invention relates to a crosslinking agent compound in which a terminal crosslinkable functional group is capped with a silane-based protecting group, a photosensitive composition including the same, and a photosensitive material using the same.

Crosslinking agent compound, photosensitive composition comprising the same, and photosensitive material using the same

The present invention relates to a liquid crystal alignment agent composition including a copolymer for liquid crystal alignment agent containing two types of repeating units classified according to the types of diamine-derived functional groups, and a crosslinker compound in which the protecting group having a specific structure was introduced, a method for preparing a liquid crystal alignment film using the same, and a liquid crystal alignment film and a liquid crystal display device using the same.

Liquid crystal alignment agent composition, method of preparing liquid crystal alignment film, and liquid crystal alignment film, and liquid crystal display using the same

The present invention relates to a liquid crystal alignment composition that not only exhibits high degree of imidization and excellent film strength when manufacturing a liquid crystal alignment film, but also can realize improved alignment property and electrical properties, a method for preparing a liquid crystal alignment film using the same, a liquid crystal alignment film and a liquid crystal display using the same.

Liquid crystal alignment composition, method of preparing liquid crystal alignment film, and liquid crystal alignment film, and liquid crystal display using the same

The present invention relates to a liquid crystal alignment composition comprising first liquid crystal alignment polymer; second liquid crystal alignment polymer; and a cross-linking agent compound, a method for preparing a liquid crystal alignment film using the same, a liquid crystal alignment film and a liquid crystal display using the same.

Described is a polyimide prepared from a diamine containing a spiro or cardo group in a molecule structure, wherein the dimensional stability of the polyimide can be improved at a high temperature, and thus the polyimide can provide a polyimide film useful for a flexible substrate.

Polyimide and polyimide film, prepared therefrom, for flexible display

The present invention relates to a polymer having excellent liquid crystal alignment and electrical properties and thus is suitable for use as a liquid crystal alignment agent, a liquid crystal alignment agent containing the same, a liquid crystal aligning film formed from the liquid crystal alignment agent, and a liquid crystal display device containing the liquid crystal aligning film.

Polymer for liquid crystal alignment agent, liquid crystal alignment agent comprising the same, and liquid crystal alignment film and liquid crystal display device using the same

The present specification relates to a compound and an organic electronic device comprising the same.

Compound and organic electronic element comprising same

The present specification provides a heterocyclic compound and an organic light emitting device including the same.

Heterocyclic compound and organic light emitting element comprising same

The present specification relates to a novel compound, and a color conversion film, a backlight unit, and a display device, comprising the same.

Metal complex and color conversion film comprising same

The present disclosure relates to a novel compound, a color conversion film, a backlight unit and a display device comprising the same.

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Daejeon, South Korea

Kichul Koo