Lg Chem, Ltd

Kong Kyeom Kim

Jae Soon Bae

Sung Kil Hong

Dong Hoon Lee

Dae Woong Lee

Jun Gi Jang

Hye Young Jang

Jung Bum Kim

Jae C Lee

Yeon Hwan Kim

Min Jeong Lee

Dong Seob Jeong

Sang Young Jeon

Seokhee Yoon

Sung Gap Im

Hyeon Sik Choi

Ji Eun Kim

In Ho Hwang

Min Soo Kang

Hye-Young Jang

Sung-Kil Hong

Sehwan Son

Youn-Gu Lee

Jieun Kim

Byung Sun Jeon

Wook Dong Cho

Woo Jae Jeong

Jeong Wook Mun

Dong-Seob Jeong

Eun Byurl Cho

So-Yeon Choi, Legal Representative

Sung Jin Yeo

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

The present invention provides an organic light emitting device comprising a first electrode, at least one organic layer and a second electrode, laminated successively, in which at least one layer of the organic layer has a polycyclic aromatic hydrocarbon as a core and comprises at least one of a derivative in which a substituted or unsubstituted Ccycloalkane, or a substituted or unsubstituted Cpolycycloalkane is directly fused to the core or fused to a substituent of the core; and a new organic compound usable in the organic light emitting device. Furthermore, the present invention provides a charge carrier extracting, injecting or transporting material which has a polycyclic aromatic hydrocarbon as a core and comprises a derivative in which a substituted or unsubstituted Ccycloalkane, or a substituted or unsubstituted Cpolycycloalkane is directly fused to the core or fused to a substituent of the core.

Organic compound and organic light emitting device using the same

The present invention provides an organic electronic device using the compound of the formula (1) and a pyrene derivative having a new structure.

Pyrene derivatives and organic electronic device using pyrene derivatives

Disclosed is a compound represented by formula 1: wherein each of A, X, Y, Y' and Y&#x2033; has the same meaning as described herein. When used in an organic light emitting device, the compound represented by formula 1 has at least one function selected from the group consisting of hole injection, hole transport, light emitting, electron transport, electron injection, etc., depending on the type of each unit forming the trimer or substituents in each unit. An organic light emitting device is also disclosed. The organic light emitting device includes a first electrode, an organic film having one or more layers and a second electrode, laminated successively, wherein at least one layer of the organic film includes at least one compound represented by formula 1.

The present invention provides novel structure of light emitting material and an organic light emitting diode using the same. The light emitting material can serve as a light emitting material alone, and can also serve as a light emitting host in combination with a proper light emitting dopant, or a light emitting dopant in combination with a proper light emitting host, particularly in an organic emitting diode.

Emitting material and organic light emitting diode using the same

The present invention relates to a novel compound that can significantly improve the lifespan, efficiency and thermal stability of an organic light emitting device, and to an organic electroluminescence device or light emitting device comprising the compound in an organic compound layer is also disclosed.

Materials for injecting or transporting holes and organic electroluminescence devices using the same

The present invention relates to an organic thin film transistor which includes an organic layer comprising an organic compound facilitating the ohmic contact between a semi-conducting layer and electrodes and serving as the semi-conducting layer. The organic thin film transistor according to the present invention has excellent electric contact between the semiconductor layer and the source electrode/drain electrode, and thus can be widely used as components for electric/electronic devices. As a result, as the materials for the source electrode or the drain electrode in the organic thin film transistor, materials which are less expensive and excellent in processibility though they have a low work function as the materials can be used.

Organic thin film comprising pyrene derivatives

Disclosed is a compound of Formula 1 and an organic light emitting device using the same. In Formula 1, R1 to R3 and X1 to X3 are as described in the specification. The compound of Formula 1 acts as a hole injection material, a hole transport material, a light emitting host, or a light emitting dopant in the organic light emitting device depending on the type of substituent.

Carbazole derivative and organic light emitting device using same

The present invention provides an indene derivatives having a new structure and an organic light-emitting diode using the same. The organic light-emitting diode according to the present invention shows improved effects in efficiency, driving voltage and stability.

Indene derivatives and organic light emitting diode using the same

Disclosed are double-spiro organic compounds and an organic electroluminescence (EL) device using the same. The double-spiro organic compounds are configured to have at least three planar and substantially linear moieties, such that one planar moiety is located between two neighboring planar moieties and that the intervening planar moiety shares an atom with each of the two neighboring planar moieties. The double-spiro compounds generally have high melting point above about 300 degree C. and low crystallinity, which provide thermal stability to the organic EL devices. These organic compounds have good sublimability. They also have light-emitting, hole-injecting, hole-transporting, electron injection, electron-transporting properties and characteristics, which are favorable in the organic EL devices.

Double-spiro organic compounds and organic electroluminescent devices using the same

Organic electroluminescent devices using double-spiro organic compounds

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Daejeon, South Korea

Kong Kyeom Kim