Abstract: The present invention discloses an indenotriphenylene-based amine derivative and an organic electroluminescence device employing the indenotriphenylene-based amine derivative as the dopant material, the hole transporting material, or the electron blocking material of the organic electroluminescence device. The organic electroluminescence device of the present invention exhibits improved performance, such as reduced power consumption, increased current efficiency, and longer half-life time.

Abstract: An organic compound which can be used as the phosphorescent host material, the fluorescent host material, or the fluorescent dopant material of the light emitting layer, and/or the electron transporting material of the organic electroluminescence device is disclosed. The organic electroluminescence device employing the organic compound can lower driving voltage, prolong half-lifetime, and increase current efficiency.

Abstract: The present invention discloses an organic compound and an organic electroluminescence device employing the organic compound as the fluorescent host material in the light emitting layer of the organic electroluminescence device. The organic electroluminescence device employing the organic compound of the present invention can operate under reduced driving voltage, increase current efficiency, and prolong half-life time.

Abstract: The present invention discloses an iridium complex of formula (1) and an organic electroluminescence device employing the iridium complex as the phosphorescent dopant material. The organic EL device can display good performance, such as lower driving voltage, reduced power consumption, increased efficiency, and longer half-life time.

Abstract: An organic compound which can be used as the phosphorescent host material, the fluorescent host material, or the fluorescent dopant material of the light emitting layer, and/or the electron transporting material of the organic electroluminescence device is disclosed. The organic electroluminescence device employing the organic compound can lower driving voltage, prolong half-lifetime, and increase luminance and current efficiency.

Abstract: A heteroaromatic compound which can be used as the fluorescent guest material in the light emitting layer of the organic electroluminescence device is disclosed. The organic electroluminescence device employing the heteroaromatic compound of the present invention shows lower power consumption, higher efficiency, and longer half-life time than the existed organic electroluminescence devices.

Abstract: A heteroaromatic compound which can be used as the fluorescent guest material in the light emitting layer of the organic electroluminescence device is disclosed. The organic electroluminescence device employing the heteroaromatic compound of the present invention can operate under reduced driving voltage, increase current efficiency, and prolong half-life time.

Abstract: The present invention discloses an iridium complex of formula (1) below and an organic electroluminescence device employing the iridium complex as the phosphorescent dopant material. The organic EL device can display good performance, such as reduced driving voltage, increased current efficiency, and longer half-life time.

Abstract: A heteroaromatic compound which can be used as the fluorescent guest material in the light emitting layer of the organic electroluminescence device is disclosed. The organic electroluminescence device employing the heteroaromatic compound of the present invention can operate under reduced driving voltage, increase current efficiency, and prolong half-life time.

Abstract: The present invention discloses a 5,12-dihydrotetracene derivative and an organic electroluminescence device employing the 5,12-dihydrotetracene derivative as the thermally activated delayed fluorescence host material or the thermally activated delayed fluorescence dopant material in the light emitting layer. The organic electroluminescence device of the present invention exhibits improved performance, such as reduced power consumption and increased current efficiency.

Abstract: The present invention discloses an indenotriphenylene phosphine oxide derivative and an organic electroluminescence device employing the derivative as the phosphorescent host material in the light emitting layer, and/or the hole blocking material and/or the electron transporting material in the organic EL device, which thereby exhibits improved performance.

Abstract: An organic compound which can be used as the phosphorescent host material, the fluorescent host material, or the fluorescent dopant material of the light emitting layer, and/or the electron transporting material in the organic electroluminescence device is disclosed. The organic electroluminescence device employing the organic compound can lower driving voltage, prolong half-lifetime, and increase current efficiency.

Abstract: An organic light-emitting device is provided, which may include a substrate, an auxiliary electrode, an insulation layer, a first electrode, an organic layer, and a second electrode. The auxiliary electrode is provided on the substrate, and the insulation layer is applied on a portion of the surface of auxiliary electrode, wherein the other portion of the surface of the auxiliary electrode not being covered by the insulation layer forms a first contact portion. The first electrode is disposed on the substrate, the insulation layer, and the first contact portion, and electrically connects the auxiliary electrode via the first contact portion. The organic layer is formed on the first electrode, and the second electrode is disposed on the organic layer. The first electrode will form an open loop zone adjacent to foreign objects (e.g.

Abstract: The present invention discloses a novel polyheteroaromatic compound derived from 7?,7?-dimethyl-5?,7?-dihydrospiro[cyclopenta[1,2-b:5,4-b?-dithiophene-4,13?-indeno[1,2-b]acridine] core structures. The polyheteroaromatic compound can be used as organic electroluminescence materials for use in an organic electroluminescence device and electronic equipment.

Abstract: The present invention discloses an iridium complex of formula (1) and an organic electroluminescence device employing the iridium complex as the phosphorescent dopant material. The organic EL device can display good performance, such as lower driving voltage, reduced power consumption, increased efficiency, and longer half-life time.

Abstract: The present invention discloses a delayed fluorescence compound and the organic electroluminescent device employing the delayed fluorescence compound as the delayed fluorescence dopant material, the delayed fluorescence host material, or the phosphorescent host material in the light emitting layer, and/or used in the hole blocking layer and/or the electron transporting layer of the organic EL device, which thereby displays good performance.

Abstract: The present invention provides an organic optoelectronic device and method for manufacturing the same. The method deposits the organic layer and the second electrode layer in the same range, and laser scans the second electrode layer at a plurality of first predetermined locations to form electrical connections between the second electrode layer and the contact electrodes. The present invention can effectively reduce the number of times for metal mask positioning and replacement to significantly reduce the manufacturing time and decrease the contamination resulted from the replacement of the metal mask. Besides, the electrical connection formed by laser scanning can connect a plurality of organic optoelectronic components in series and arrange them side by side. The present invention can be applied to organic optoelectronic device, such as OLED devices and OPV devices.

Abstract: There is provided a novel material of formula(1) or formula(2) and the organic EL device employing the novel material as phosphorescent light emitting host of emitting layer, delayed fluorescence dopant of emitting layer, and hole blocking layer can display good performance like as lower driving voltage and power consumption, increasing efficiency and life time of organic EL device. wherein p, X, Z, R1, Ar and A are the same definition as described in the present invention.

Abstract: A light emitting material is represented by the following formula (1), the organic EL device employing the material as delayed fluorescence emitting dopant or fluorescence emitting dopant can display good performance like as lower driving voltage and power consumption, especially doping with the host (H1 to H4) and the second host (SH1 to SH4) can increasing efficiency and half-life time. wherein G represents the following formula (2): L, m, n, p, R1 to R4, Ar and X are the same definition as described in the present invention.

Abstract: The present invention discloses a delayed fluorescence material having general formula (1), and an organic EL device using the material as delayed fluorescence material of emitting layer or phosphorescent light emitting host of emitting layer can display excellent performance. wherein W independently represents an oxygen atom, a sulfur atom and a selenium atom, R1 to R9 are the same definition as described in the present invention.