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: 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: 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: The present invention discloses an organic material represented by the following formula (1) or formula (2), the organic EL device employing the organic compound as light emitting host of emitting lay and/or an electron transporting layer, and/or a hole blocking layer, and/or a delayed fluorescence material of emitting layer can display good performance. wherein A is an electron acceptor moiety, B represents a fused ring hydrocarbon units with two or three rings; m, n, L, and X are the same definition as described in the present invention.

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: An iridium complex of formula (1) and an organic electroluminescence device employing the iridium complex as the phosphorescent dopant material are described. 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 EL device employing the delayed fluorescence compound as light emitting host of emitting lay and/or an electron transporting layer, and/or a hole blocking layer, and/or a delayed fluorescence material of emitting layer for organic EL device in the present invention display good performance.

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 organic compound represented by the following formula (1), the organic EL device employing the organic compound as light emitting host of emitting lay and/or an electron transporting layer, and/or a hole blocking layer, and/or a delayed fluorescence material of emitting layer can display good performance. wherein A1 and A2 are acceptor, m, n, L1, L2, Y1, Y2 and X1 to X5 are the same definition as described in the present invention.

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: 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 electroluminescence component includes a substrate, a first electrode layer, an organic material layer, a second electrode layer and a first electrical connection portion. The organic material layer is located between the second electrode layer and the first electrode layer. A common overlapping region of the second electrode layer, the organic material layer and at least one part of the first electrode layer defines a light-emitting region. The shape of the part of the first electrode layer has a first end and a second end which are opposite to each other and unequal in impedance. The first electrical connection portion is electrically connected to the first electrode layer, and located opposite to the second end of the shape.

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 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.

Abstract: The present invention generally discloses an organic compound and organic electroluminescence (herein referred to as organic EL) device using the organic compound. More specifically, the present invention relates to an organic EL device employing the organic compound as fluorescent emitting host or phosphorescent emitting host which can display long lifetime, high efficiency.

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 discloses a delayed fluorescence compound and the organic EL device employing the delayed fluorescence compound as light emitting host of emitting lay and/or an electron transporting layer, and/or a hole blocking layer, and/or a delayed fluorescence material of emitting layer for organic EL device in the present invention display good performance.

Abstract: The present invention discloses a planar OLED lamp module, containing a planar OLED lamp and a lamp module. The lamp module possesses both openable lid and elastic metal units. So, the planar OLED lamp can be removed or dismantled during production assembly and maintenance more easily and quickly, therefore the cost can be significantly down.