Abstract: An organic compound having the following formula (I) is described: The application of the organic compound in an organic electroluminescence device is also described.

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 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 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: 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: 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: The present invention discloses a heterocyclic compound represented by the following formula(I), and an organic electronic device using the heterocyclic compound can display good performance. Especially, the heterocyclic compound is suitable for organic semiconductor device, pervoskite solar cell device, and organic electroluminescence (organic EL) device. wherein X1 to X4 each independently represent a sulfur atom or a selenium atom, Ar1 to Ar6 are the same definition as described in the present invention.

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 phenanthroline-based compound and an organic EL device employing the compound as phosphorescent light emitting host material of a light emitting layer and/or electron transporting layer material and/or hole blocking layer material and/or a thermally activated delayed fluorescence (TADF) material of a light emitting layer which can display good performance.

Abstract: The present invention discloses an indenotriphenylene-based amine derivative represented by the following formula (A): wherein R1 to R5, m, n, p, L and Ar are the same definition as described in the present invention. The present invention also discloses an organic EL device employing the indenotriphenylene-based amine derivative as a hole transport material or an electron blocking material, which can lower driving voltage and power consumption and increase efficiency and half-life time.

Abstract: The present invention generally discloses an organic optoelectronic material and organic electroluminescent (herein referred to as organic EL) device, organic photovoltaics (herein referred to as OPV) device and organic thin-film transistor (herein referred to as OTFT) device using the organic optoelectronic material. More specifically, the present invention relates to the organic optoelectronic material formula (1), and an organic EL device, OPV device and OTFT device employing the organic optoelectronic material can improve performance.

Abstract: The present invention discloses a novel phenanthroline-based compound is represented by the following formula(I), the organic EL device employing the phenanthroline-based compound as hole blocking material/electron transport material or phosphorescent host can display good performance. L, m, n, X, Y and R1 to R20 each have the same meaning as described in the present invention.

Abstract: The present invention discloses a indenotriphenylene-based amine derivative is represented by the following formula (A), the organic EL device employing the compound as hole transport material, electron blocking material, can lower driving voltage and power consumption, increasing efficiency and half-life time. Wherein R1 to R5, m, n, p, L and Ar are the same definition as described in the present invention.

Abstract: The present invention generally discloses an organic optoelectronic material and organic electroluminescent (herein referred to as organic EL) device, organic photovoltaics (herein referred to as OPV) device and organic thin-film transistor (herein referred to as OTFT) device using the organic optoelectronic material. More specifically, the present invention relates to the organic optoelectronic material formula (1), and an organic EL device, OPV device and OTFT device employing the organic optoelectronic material can improve performance.

Abstract: The present invention discloses a novel phenanthroline-based compound is represented by the following formula (I), the organic EL device employing the phenanthroline-based compound as hole blocking material/electron transport material or phosphorescent host can display good performance. L, m, n, X, Y and R1 to R20 each have the same meaning as described in the present invention.

Abstract: The present invention relates to organic photovoltaic cell materials and components and particularly, to the organic photovoltaic cell materials and the components with high optical conversion efficiency, simple preparation process and low cost. The chemical formula of the materials is represented by chemical formula (I): where n is a natural number and X is the following chemical formula (II): where m is 1˜3 and A is hydrogen, fluorine, chlorine, C1˜C18-alkyl, thienyl, phenyl or pyridyl in which thienyl, phenyl or pyridyl may be substituted with C1˜C18-alkyl in any position.