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: A display device includes a first optical resonance layer on a substrate, a switching structure on the first optical resonance layer, a first electrode on the switching structure, a light emitting structure on the first electrode, and a second electrode on the emitting structure. The switching structure may include a switching device and an optical distance controlling insulation layer covering the switching device. A first optical resonance distance for an optical resonance of the light may be provided between an upper face of the first optical resonance layer and a bottom face of the second electrode.

Abstract: The present invention provides an aromatic heterocyclic compound represented by Formula 1 below, an organic light-emitting diode including an organic layer comprising the aromatic heterocyclic compound, and a method of manufacturing the organic light-emitting diode: wherein A, Ar1, Ar2, n, m, and k are as described in the detailed description of the present invention.

Abstract: A display device is disclosed. The pixels of the display are formed so that a chromaticity range of the red organic emission layer satisfies an NTSC standard if ?pr=3.93557E?03 Wr2+1.07200E?01 Wr+6.10199E+02 and ?pr=610 nm, a chromaticity range of the green organic emission layer satisfies the NTSC standard if 3.33879E?03 Wg2+3.03246E?02 Wg+5.18496E+02??pg??5.09468E?03 Wg2+4.45905E?02 Wg+5.37887E+02, 515 nm??pg?540 nm, and Wg<50 nm, a chromaticity range of the blue organic emission layer satisfies the NTSC standard if ?2.59294E?03 Wb2+2.59334E?02 Wb+4.64771E+02??pb??5.24375E?03 Wb2+9.70218E?02 Wb+4.71672E+02, 450 nm??pb?480 nm, and Wb<70 nm, and at least one of the red organic emission layer, the green organic emission layer, and the blue organic emission layer satisfies the NTSC standard.

Abstract: Provided are a polyvinyl pyrrole host material emitting highly efficient phosphorescence, a luminescent layer using the material, and an organic electroluminescent display device. The polyvinyl pyrrole host material shows highly efficient luminescence having improved energy transfer, and thus is useful for an organic electroluminescent display device and other various light emitting devices.

Abstract: Provided are a high-efficiency, photoluminescent heteronuclear copper (I)-iridium (III) complex and an organic electroluminescent device using the complex. The photoluminescent heteronuclear copper (I)-iridium (III) complex can be used to form an organic layer of an organic electroluminescent device, can emit light of 590-630 nm as a high-efficiency, photoluminescent material, and provides a high brightness and a low turn-on voltage.

Abstract: 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.

Abstract: 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.

Abstract: Provided are an organic light-emitting compound represented by Formula 1 and an organic electroluminescent (EL) device using the same: The organic light-emitting compound has thermostability and photochemical stability in addition to superior electrical features. The organic EL device using the organic light-emitting compound has low driving voltage, high efficiency, and superior color purity.

Abstract: Provided are a polyvinyl pyrrole host material emitting highly efficient phosphorescence, a luminescent layer using the material, and an organic electroluminescent display device. The polyvinyl pyrrole host material shows highly efficient luminescence having improved energy transfer, and thus is useful for an organic electroluminescent display device and other various light emitting devices.

Abstract: An organic light emitting device (OLED) and a method of manufacturing the OLED. The OLED includes an anode, a cathode, a hole transport layer arranged between the anode and the cathode, a self-buffer layer arranged between the hole transport layer and the cathode, the self-buffer layer being adapted to protect the hole transport layer, the self-buffer layer being made of a first material and a light emitting layer arranged between the self-buffer layer and the cathode, the light emitting layer also being made of the first material.

Abstract: Provided are an indene derivative compound represented by Formula 1 below and an organic light emitting device including the same: X—Ar1—Ar2—Y??Formula 1 wherein Ar1, Ar2 and X are described in the detailed description, and Y is represented by one of Formulae 2a to 2d: wherein R1 to R4 and Z are described in the detailed description. An organic light emitting device having improved driving voltage properties, brightness, efficiency and color purity can be prepared by including the indene derivative compound.

Abstract: Provided are an organic light-emitting compound of Formula 1 and an organic light-emitting device using the organic light-emitting compound: where Ar, R1, R2, R3, R4, and R5 are the same as defined in the detailed description. The organic light-emitting device manufactured using the organic light-emitting compound has a low turn-on voltage and high efficiency and color purity.

Abstract: Provided are a method of manufacturing an organic light emitting device. The method includes forming an electron injection layer by vacuum co-depositing an organic semiconductor material having an electron mobility of about 1×10?6 cm2/V·s or more in an electric field of about 1×106 V/m and a metal azide.

Abstract: An organic light-emitting device including a first electrode, a second electrode, and an organic layer interposed between the first electrode and the second electrode. The organic layer includes at least one organosiloxane compound selected from organosiloxane compounds represented by An organic light-emitting device using the organosiloxane compound has a low operating voltage, high color purity, and high efficiency.

Abstract: Provided are a dimethylenecyclohexane compound represented by Formula 1 below, a method of preparing the same and an organic light emitting device comprising the dimethylenecyclohexane compound: The organic light emitting device comprising the dimethylenecyclohexane compound represented by Formula 1 has a low driving voltage, excellent efficiency and improved color purity.

Abstract: An aminostyryl compound represented by Formula 1: The organic light emitting device using the aminostyryl compound exhibits low driving voltage and improved brightness, efficiency, and color purity.

Abstract: A cyclopentaphenanthrene-based compound is easy to prepare and excellent in solubility, color purity, and color stability. The cyclopentaphenanthrene-based compound is useful as a material for forming an organic layer, in particular, an emitting layer, in an organoelectroluminescent device, and as an organic dye or an electronic material such as a nonlinear optical material.

Abstract: A dimethylenecyclohexane compound represented by formula 1, a method of preparing the same, and an organic light emitting device using the dimethylenecyclohexane are provided. The dimethylenecyclohexane compound can improve the driving voltage, efficiency and color purity of the organic light emitting device.

Abstract: 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.