Lg Chem, Ltd

Jeong Wook Mun

Min Woo Jung

Tae Yoon Park

Jung Ha Lee

Seong Mi Cho

Dong Hoon Lee

Mi Young Chae

Sung-Ho Chun

Min Young Kang

Ju Young Lee

Jung Hyun Kim

Seongmi Cho

Dai Seung Choi

Kong Kyeom Kim

Kyung Chang Seo

Woo Jae Jeong

Min Hyung Lee

Hyeong Bin Jang

Mi Ra Hong

Eun Byurl Cho

Jung Woo Kim

Jeong Hyuk Ahn

Jee Hyeon Hwang

The present disclosure provides an insulating layer for a multilayer printed circuit board, a multilayer printed circuit board including the same, and a method for fabricating the same. The insulating layer of the present disclosure includes a polymer resin layer containing a melamine derivative, and thus may have excellent adhesion to a patterned metal layer.

Insulating layer for multilayer printed circuit board, multilayer printed circuit board comprising same, and method for producing same

Provided is a heterocyclic compound of Chemical Formula 1:

Heterocyclic compound and organic light emitting device comprising the same

Provided is a heterocyclic compound of Chemical Formula 1: where Xis O or S; Land Lare each independently a single bond, a substituted or unsubstituted phenylene, a substituted or unsubstituted naphthylene, or a substituted or unsubstituted biphenylenyl; Yto Yare each independently N or CR, provided that at least one of Yto Yis N; and Arand Arare each independently a substituted or unsubstituted Caryl or a substituted or unsubstituted Cheteroaryl containing 1 to 3 heteroatoms selected from the group consisting of N, O and S;and an organic light emitting device comprising the same, where the compound of Chemical Formula 1 can be used as a material of an organic material layer of an organic light emitting device and can exhibit improved efficiency, a low driving voltage and/or improved lifetime characteristics of the organic light emitting device.

Provided is a heterocyclic compound Chemical Formula 1 or 2: and an organic light emitting device comprising the same.

The present invention provides an organic light emitting device having improved driving voltage, efficiency and lifetime.

Organic light emitting device

Provided is a compound of Chemical Formula 1 or 2: wherein: Xto Xare N or CH, with the proviso that at least one of Xto Xis N; Y is O or S; Land Lare each independently a single bond or a substituted or unsubstituted Carylene; and Ar is a substituted or unsubstituted Calkyl, a substituted or unsubstituted Chaloalkyl, a substituted or unsubstituted Ccycloalkyl, a substituted or unsubstituted Caryl, or a substituted or unsubstituted Cheteroaryl containing one to three heteroatoms selected from the group consisting of N, O, and S, and an organic light emitting device including the same.

Compound and organic light emitting device comprising the same

This disclosure relates to a base film, a laminated structure including the same, and a display device. More specifically, this disclosure relates to a base film that includes a polymer having a cyclic olefin-based repeat unit containing exo-isomers above a specific content and a copolymer including a styrene-based repeat unit and a maleimide-based repeat unit, exhibits a high glass transition temperature and thus has excellent heat resistance, and has high light transmittance, a laminated structure including the same, and a display device.

Base film, laminated structure including the same, and display device

The present invention relates to a reverse wavelength dispersion compound, a reverse wavelength dispersion composition including the same, and an optically anisotropic body including the same. The reverse wavelength dispersion composition according to the present invention can provide a stronger and more stable reverse wavelength dispersion property, and makes it possible to provide an optically anisotropic body having excellent optical properties.

Compounds having negative optical dispersion, negative optical dispersion composition comprising the compounds, and optically anisotropic body comprising the composition

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Daejeon, South Korea

Jeong Wook Mun