Seoul National University

Samsung Display Co., Ltd.

Samsung Electronics Co., Ltd.

Columbia University

Samsung Sdi Co., Inc.

Snu Rdb Foundation

Jong-In Hong

Mi-Kyung Kim

Chang-Woong Chu

Se-Hun Kim

Hwan-Hee Cho

W Clark Still

Seong-Jin Jeong

Julian A Simon

Kwan-Hee Lee

Dong-Hyun Kim

Jung-Pyo Hong

Seong-Hoon Lee

Myoung-Ki Kim

Myoung-chul Um

Dong Hoon Lee

Sam-Il Kho

Soo-Jin Park

Yong-Uk Lee

Dae-Yup Shin

Mun-pyo Hong

Dong-Hyun Jung

Kyuha Chung

Young Keun Chung

Do-Yeung Yoon

Tae-hyuk Kwon

Jong-chul Kwon

Gia Kim

Tae-Hyok Kwon

Ja Hyun Im

Seung Uk Son

Seung S Yoon

Shawn D Erickson

A compound, an organic light-emitting device, and a flat display apparatus, the compound being represented by Formula 1, below: 

Compound and organic light-emitting device including the same

An amine-based compound is represented by Formula 1:  An organic light-emitting diode includes a first electrode, a second electrode, and an organic layer between the first electrode and the second electrode. The organic layer includes an emission layer and the amine-based compound represented by Formula 1. The OLED including the amine-based compound represented by Formula 1 has good color purity, low driving voltage, high efficiency, high brightness, and/or a long lifetime.

Amine-based compound and organic light-emitting diode including the same

A heterocyclic compound of Formula 1 below and an organic light-emitting device including the same are provided. Xto X, L, L, n, m, and Arto, Arin Formula 1 are defined as in the specification.

Heterocyclic compound and organic light-emitting device including the same

An organic light-emitting diode includes a first electrode, a second electrode, and an organic layer disposed between the first electrode and the second electrode. The organic layer includes an emission layer. The organic layer also includes at least one amine-based compound and at least one pyrene-based compound. The organic layer may include a first emission layer and a second emission layer, and the amine-based compound may be in the first emission layer and the pyrene-based compound may be in the second emission layer.

Organic light-emitting diode comprising amine-based compounds and pyrene-based compounds

An organic nanofiber including a gelled organic semiconductor compound. Also disclosed is an organic semiconductor transistor and a method of manufacturing an organic semiconductor transistor.

Organic nanofiber structure based on self-assembled organogel, organic nanofiber transistor using the same, and method of manufacturing the organic nanofiber transistor

An organic light-emitting diode includes a first electrode, a second electrode, and an organic layer disposed between the first electrode and the second electrode. The organic layer includes an emission layer. The organic layer also includes at least one amine-based compound and at least one anthracene-based compound. The organic layer may include a first emission layer and a second emission layer, and the amine-based compound may be in the first emission layer and the anthracene-based compound may be in the second emission layer.

Organic light-emitting diode comprising amine-based compounds and anthracene-based compounds

Disclosed are a luminescence biotin-transition metal complex conjugate and a method of amplifying signals using the same. More particularly, disclosed herein are a luminescence biotin-transition metal complex conjugate comprising an energy acceptor and biotin, and optionally an energy donor and a method of amplifying signals using the biotin-transition metal complex conjugate using intramolecular energy transfer. The luminescence biotin-transition metal complex conjugate using a transition metal probe provides a phosphorescence detection system capable of improved sensitivity.

Luminescence biotin-transition metal complex conjugate, and method of amplifying signal using the same

An insulating film according to an embodiment of the present invention has Chemical Formula 1  

Organic insulator, organic thin film transistor array panel including organic insulator, and manufacturing method therefor

A blue phosphorescent compound and an organic electroluminescent device using the same are provided. The blue phosphorescent compound can emit deep blue light and can improve color purity and reduce power consumption when used in an organic electroluminescent device.

Iridium compound and organic electroluminescent device using the same

A novel coordination complex formed by dinuclear metal complexation is provided. The complex is a dinuclear metal complex of a compound, wherein the compound comprises a conjugation ring system substituted with: a) an electron donating group selected from &#x2014;OH, &#x2014;SH and &#x2014;NH; b) an indicating group selected from a chromogenic group, a fluorescent group and an electrochemical group; and c) two binding auxiliary groups, in combination with the electron donating group each of which being coordinated with the metal to provide an anion bonding site, wherein as the complex binds to a anion, the coordination of the electron donating group with the metal is weakened and electron donation of the electron donating group to the conjugation ring system is reinforced such that the reinforced electron donation by the electron donating group is transferred through the conjugation ring system to the indicating group to produce an indicating signal concomitant with the change of its electronic density. The coordination complex shows high sensitivity and high selectivity for pyrophosphate over other anions in an aqueous solvent over a wide pH range. Therefore, the complex is useful for pyrophosphate assay as a pyrophosphate sensor.

Dinuclear metal complex and pyrophosphate assay using the same

The subject invention provides chiral receptor molecules having the structure: ##STR1## wherein A has the structure: ##STR2## and R.sub.1 and R.sub.2 are independently the same or different and are H, F, alkyl, aryl, etc.; X is CH.sub.2 or NH; Y is C.dbd.O or SO.sub.2 ; and n is 0 to about 3; which are useful for the purification of enantiomers of amino acid derivatives and other compounds. The subject invention also provides methods of preparing said receptor molecules.

A.sub.4 B.sub.6 macrotricyclic enantioselective receptors for amino acid

The present invention relates to a composition having the general formula: ##STR1## wherein each of A, B, C, X, Y, and Z is independently O, NH, N(CH.sub.2).sub.m CH.sub.3, N(C.dbd.O) (CH.sub.2).sub.m CH.sub.3, CH.sub.2, S, or Se; each of R.sub.1, R.sub.2, and R.sub.3 is independently phenyl, 4-hydroxyphenyl, pyridyl, pyrrolyl, indolyl, naphthyl, thiophenyl, (C.dbd.O) (CH.sub.2).sub.p CH.sub.3, NH(C.dbd.O) (CH.sub.2).sub.p CH.sub.3, OH, COOH, NH.sub.2, or SH; and m, n, and p are integers between 0 and 5. The composition is a chiral receptor molecule useful for the purification of enantiomers of derivatives of amino acids and of compounds able to form hydrogen bonds. The preparation of the composition involves coupling a trifunctional aromatic molecule with three protected chiral molecules at the three aromatic groups, cleaving protecting groups, and joining adjacent chiral groups by multiple lactamizations. The receptor may be used in a form either bound to a solid support or dissolved in an immiscible phase to effect convenient purification of enantiomers or other compounds of interest.

Method of purifying organic compounds using an enantioselective receptor

The present invention relates to a composition having the general formula: ##STR1## wherein each of A, B, C, X, Y, and Z is independently O, NH, N(CH.sub.2).sub.m CH.sub.3 ], N(C.dbd.O) (CH.sub.2).sub.m CH.sub.3 ], CH.sub.2, S, or Se; each of R.sub.1, R.sub.2, and R.sub.3 is independently phenyl, 4-hydroxyphenyl, pyridyl, pyrrolyl, indolyl, naphthyl, thiophenyl, (C.dbd.O) (CH.sub.2).sub.p CH.sub.3, NH(C.dbd.O) (CH.sub.2).sub.p CH.sub.3 ], OH, COOH, NH.sub.2, or SH; and m, n, and p are integers between 0 and 5. The composition is a chiral receptor molecule useful for the purification of enantiomers of derivatives of amino acids and of compounds able to form hydrogen bonds. The preparation of the composition involves coupling a trifunctional aromatic molecule with three protected chiral molecules at the three aromatic groups, cleaving protecting groups, and joining adjacent chiral groups by multiple lactamizations. The receptor may be used in a form either bound to a solid support or dissolved in an immiscible phase to effect convenient purification of enantiomers or other compounds of interest.

Growing community of inventors

Seoul, South Korea

Jong-In Hong