Samsung Mobile Display Co., Ltd.

Samsung Electronics Co., Ltd.

Samsung Display Co., Ltd.

Shinichiro Tamura

Jong-jin Park

Myeong-Suk Kim

Lyong-Sun Pu

Young-Hun Byun

Das Rupasree Ragini

O-hyun Kwon

Hee-Kyung Kim

Yi-Yeol Lyu

Che-Un Yang

Sung-Hun Lee

Byoung-Ki Choi

Young-Mok Son

Byoung-ki Choi

Woon-Jung Paek

Tae-yong Noh

Mu-Gyeom Kim

Tae-Woo Lee

Sang-Yeol Kim

Yu-Jin Kim

Jhun-mo Son

O-Hyun Kwon

Eun-Sil Han

Tae-Yong Noh

Jung-bae Song

Hyo-Seok Kim

Euk-che Hwang

Masa-aki Kakimoto

Junji Kido

Provided are an organometallic complex providing highly efficient phosphorescence and an organic electroluminescence device using the same. The organometallic complex can be used to form an organic layer of the organic electroluminescence device, efficiently emits light of a wavelength corresponding to red light, and has high brightness and low operating voltage. The organometallic complex is represented by Formula (1) 

Organometallic complex and organic electroluminescence device using the same

Provided are an organometallic complex providing highly efficient phosphorescence and an organic electroluminescence device using the organometallic complex represented by Formula 1: MLL'where M is Ir, Os, Pt, Pb, Re, Ru or Pd, L and L&#x2032; are different bidentate ligands, m is 1, 2 or 3, and n is 3&#x2212;m. The organometallic complex can be used to form an organic layer of the organic electroluminescence device, efficiently emits light of a wavelength corresponding to red light, and has high brightness and low operating voltage.

An organic light emitting display apparatus includes a plurality of sub-pixels, each of the sub-pixels having a first electrode, a second electrode facing the first electrode, and an intermediate layer disposed between the first and second electrodes, the intermediate layer having a plurality of layers including an organic emission layer, at least one layer of the plurality of layers in the intermediate layer being commonly shared by two sub-pixels arranged in a first direction and by at least two sub-pixels arranged in a second direction perpendicular to the first direction.

Organic light emitting display apparatus

Provided is a cyclometalated transition metal complex represented by Formula 1, Formula 2 or Formula 3: By including a new ancillary ligand, the cyclometalated transition metal complex can efficiently emit red light using a phosphor by intersystem crossing (ISC) of excitons to triplet states and then metal to ligand charge transfer (MLCT). An organic light emitting device prepared using the transition metal compound shows high luminous efficiency and high external quantum efficiency.

Cyclometalated transition metal complex and organic electroluminescence device using the same

An organic light emitting device (OLED) having increased light output efficiency and a wide color gamut, and a color display apparatus employing the OLED, includes: a substrate; a reflective electrode formed on the substrate; an organic light emitting layer formed on the reflective electrode; a semi-transparent or transparent electrode formed on the organic light emitting layer; and an optical path control layer formed on the semi-transparent or transparent electrode and formed of a light transmitting material. In the OLED, resonators are formed between the reflective electrode and the semi-transparent or transparent electrode, between the reflective electrode and the top surface of the optical path control layer, and between the top surface of the semi-transparent or transparent electrode and the top surface of the optical path control layer, respectively, therefore, as an optical mode output to the exterior of the optical path control layer, at least two multiple resonances are generated.

White organic light emitting device and color display apparatus employing the same

Provided are a hyperbranched polymer represented by Formula 1 below, an organic light-emitting diode including an organic layer including the hyperbranched polymer, and a method of manufacturing the organic light-emitting diode: For a detailed description about Formula 1, the Detailed Description of the Invention may be referred to. The hyperbranched polymer is excellent in view of hole injection capability and/or electron blocking capability and adhesion with an electrode, and thus, the organic light-emitting diode including the organic layer including the hyperbranched polymer can have good electrical properties.

Hyperbranched polymer, organic light-emitting diode including organic layer including the hyperbranched polymer, and method of manufacturing the organic light-emitting diode

Provided is a cyclometalated transition metal complex represented by Formula 1: The cyclometalated transition metal complex contains a new ancillary ligand having a carboxylate acid or the like connected to a hetero ring, so that it can efficiently emit red light from a phosphorous material through intersystem crossing (ISC) to form triplet excitons and then metal to ligand charge transfer (MLCT). An organic light emitting device manufactured using the transition metal complex shows excellent luminous efficiency and external quantum efficiency.

Cyclometalated transition metal complex and organic light emitting device using the same

An organic light emitting device according to an exemplary embodiment of the present invention includes: a substrate including a first region, a second region, and a third region; a thin film structure disposed on the substrate; a first color filter, a second color filter, and a third color filter formed on the thin film structure, and respectively corresponding to the first region, the second region, and the third region; a first light emitting member formed on the first region and the second region; and a second light emitting member disposed on the third region, wherein the first light emitting member has a maximum light emitting value in a wavelength range of about 500 nm to 800 nm, and the second light emitting member has a maximum light emitting value in a wavelength range of about 400 nm to 500 nm.

Organic emitting device

Provided is a white organic light emitting device comprising an anode, a cathode, and an organic layer formed between the anode and the cathode, wherein the organic layer comprises one green emissive layer, one blue emissive layer, one red emissive layer, and one charge generating layer formed between any two of the foregoing green, blue and red emissive layers. The white organic light emitting device has a tandem structure providing the simplest structure for the three color light emissions of green, blue and red.

White organic light emitting device

Provided are an organic light-emitting compound of Formula 1 and an organic light-emitting device using the organic light-emitting compound: 

Organic light-emitting compound and organic light-emitting device containing the same

A white organic light emitting device includes an anode, a cathode, a charge generation layer arranged between the anode and the cathode and an organic layer arrangement arranged between the anode and the cathode, the organic layer arrangement including a green light emitting layer, a blue light emitting layer, and a red light emitting layer, one of the green light emitting layer, the blue light emitting layer, and the red light emitting layer includes a first light emitting layer and second light emitting layer, the charge generation layer being arranged between the first light emitting layer and the second light emitting layer.

Growing community of inventors

Seongnam-si, South Korea

Shinichiro Tamura