Abstract: The present disclosure relates to an organic electroluminescent compound employed as a hole transport material or a hole injection material and an organic electroluminescent device including the same. The organic electroluminescent compound is represented by [Chemical Formula 1] and an organic electroluminescent device employing the organic electroluminescent compound as a hole transport material exhibits very superior luminous efficiency and lifetime characteristics.

Abstract: The present invention relates to an organic metal dye comprising fused heterocyclic derivatives, and to a photoelectric element and to a dye-sensitized solar cell using the organic metal dye.

Abstract: The present disclosure relates to a two-photon probe for in-vivo imaging, having high selectivity for copper(II) ion, and a method for quantitatively estimating copper(II) on (Cu2+) in vivo using the same. The two-photon probe according to the present disclosure can detect intracellular free copper(II) on for a long period of time with a penetration depth greater than 90 ?m in living cells and tissues without the problems of mistargeting and photobleaching and can quantitatively estimate copper(II) on concentration in vivo using the ratio of blue emission intensity at 400-450 nm and red emission intensity at 550-650 nm.

Abstract: A condensed-cyclic compound represented by Formula 1 below, and an organic light-emitting diode including the condensed-cyclic compound. wherein R1 through R6, Ar5 and Ar6, and X1 through X10 are defined as in the specification.

Abstract: An anthracene derivative represented by Formula 1 is disclosed. An organic light-emitting device including an anode, a cathode, and an organic layer between the anode and the cathode, where the organic layer includes at least one anthracene derivative represented by Formula 1, is also disclosed. A method of manufacturing the organic light-emitting device is also disclosed.

Abstract: The present disclosure relates to an organic electroluminescent compound employed as a hole transport material or a hole injection material and an organic electroluminescent device including the same. The organic electroluminescent compound is represented by [Chemical Formula 1] and an organic electroluminescent device employing the organic electroluminescent compound as a hole transport material exhibits very superior luminous efficiency and lifetime characteristics.

Abstract: A pyrene compound is provided. The pyrene compound is represented by Formula 1: wherein A1 and A2 are as defined in the specification. Further provided is an organic electroluminescent device using the pyrene compound. The organic electroluminescent device has high color purity of blue light and shows long life characteristics. Therefore, the organic electroluminescent device is suitable for use in displays and lighting systems.

Abstract: An organometallic complex represented by Formula 1 is provided. An organic light-emitting diode using the organometallic complex exhibits improved current and power efficiency and long lifetime.

Abstract: Embodiments of the present invention are directed to a condensed-cyclic compound and an OLED including the same.

Abstract: An anthracene derivative and an organic electroluminescent device using the same are provided. More specifically, provided are an anthracene derivative represented by Formula 1: wherein each R1 is aryl; and each R2 is independently C6-C20 aryl or C3-C19 heteroaryl, which are unsubstituted or substituted with one or more substituents selected from the group consisting of C1-C10 alkyl, C1-C10 alkoxy, cyano, C1-C10 alkylamino, C1-C10 alkylsilyl, halogen, C6-C10 aryl, C6-C10 aryloxy, C6-C10 arylamino, C6-C10 arylsilyl, C3-C19 heteroaryl and hydrogen; and an organic electroluminescent device using the same. The present invention can provide an organic electroluminescent device having excellent power and luminance efficiencies in conjunction with a long service life.

Abstract: The present invention relates to an organic metal dye comprising fused heterocyclic derivatives, and to a photoelectric element and to a dye-sensitized solar cell using the organic metal dye.

Abstract: A condensed-cyclic compound represented by Formula 1 below, and an organic light-emitting diode including the condensed-cyclic compound. wherein R1 through R6, Ar5 and Ar6, and X1 through X10 are defined as in the specification.

Abstract: Provided are red phosphorescent compounds represented by Formula 1: Organic electroluminescent devices using the red phosphorescent compounds are further provided. The organic electroluminescent devices exhibit good red color purity, high quantum efficiency, high power efficiency, high luminance, and long lifetime.

Abstract: An organometallic complex represented by Formula 1 is provided. An organic light-emitting diode using the organometallic complex exhibits improved current and power efficiency and long lifetime.

Abstract: A blue light emitting compound and an organic electroluminescent device using the compound are provided. The device exhibits improved color purity of blue emission and excellent life characteristics so as to be used to manufacture a full-color display.

Abstract: A blue light emitting compound and an organic electroluminescent device using the compound are provided. The device exhibits improved color purity of blue emission and excellent life characteristics so as to be used to manufacture a full-color display.

Abstract: An anthracene derivative and an organic electroluminescent device using the same are provided. More specifically, provided are an anthracene derivative represented by Formula 1: wherein each R1 is aryl; and each R2 is independently C6-C20 aryl or C3-C19 heteroaryl, which are unsubstituted or substituted with one or more substituents selected from the group consisting of C1-C10 alkyl, C1-C10 alkoxy, cyano, C1-C10 alkylamino, C1-C10 alkylsilyl, halogen, C6-C10 aryl, C6-C10 aryloxy, C6-C10 arylamino, C6-C10 arylsilyl, C3-C19 heteroaryl and hydrogen; and an organic electroluminescent device using the same. The present invention can provide an organic electroluminescent device having excellent power and luminance efficiencies in conjunction with a long service life.

Abstract: A metal oxide catalyst material which comprises one or more of transition metal elements having a 4d shell electron or a 5d shell electron as an electron bearing the electroconductivity thereof; and a catalyst for treating a combustion exhaust gas comprising the catalyst material. The contact of an exhaust gas with the metal oxide catalyst material allows harmful substances such as nitrogen oxides contained in the following exhaust gases to be decomposed or removed as a whole and simultaneously.

Abstract: A nitrogen oxides-removing material has fixed onto surfaces of metal fibers a complex compound containing at least one element selected from the group consisting of Group VIII elements, Group IX elements and Group X elements in the periodic table of the elements and at least one element selected from the group consisting of Group I elements, Group II elements, Group XIII elements and Group XIV elements in the periodic table of the elements. A nitrogen oxides-removing device includes the nitrogen oxides-removing material and a means to elevate a temperature of the nitrogen oxides-removing material to than 100° C. or more.