An organic molecule that may be used application in optoelectronic devices is disclosed. The organic molecule has a structure of formula 1, wherein R.sup.I, R.sup.II, R.sup.III, R.sup.IV, R.sup.V, R.sup.VI, R.sup.VII, R.sup.A, R.sup.B, R.sup.C, R.sup.D, R.sup.E, R.sup.F, R.sup.G and R.sup.H are independently selected from the group consisting of: hydrogen, deuterium, halogen, C.sub.1-C.sub.12-alkyl, wherein optionally one or more hydrogen atoms are independently substituted by R.sup.5; C.sub.6-C.sub.18-aryl, wherein optionally one or more hydrogen atoms are independently substituted R.sup.5; and C.sub.3-C.sub.15-heteroaryl, wherein optionally one or more hydrogen atoms are independently substituted R.sup.5; optionally, any adjacent two of R.sup.I, R.sup.II, R.sup.III, R.sup.IV, R.sup.V, R.sup.VI, R.sup.VII, R.sup.A, R.sup.B, R.sup.C, R.sup.D, R.sup.E, R.sup.F, R.sup.G and R.sup.H form a monocyclic ring system having 5 to 8 C-atoms, at least R.sup.A and R.sup.B as well as R.sup.C and R.sup.D form a monocyclic ring system having 5 to 8 C-atoms, wherein, optionally, each hydrogen is independently substituted.

##STR00001##

The present invention relates to a boron hydroxyl-containing organic compound having a structural formula shown in formula I. The present invention also relates to a method for preparing the boron hydroxyl-containing organic compound and use thereof in an organic electronic device, particularly an organic light-emitting diode. The present invention further relates to an organic electronic device, particularly an organic light-emitting diode, including the boron hydroxyl-containing organic compound according to the present invention and use thereof in display and lighting technology. By optimizing the structure of the device and altering the concentration of the boron hydroxyl-containing organic compound in the substrate, the optimal device performance can be achieved so as to produce an OLED device with high efficiency, high brightness and high stability, which provides a better material option for use in full-color display and lighting.

Provided are an OLED compound, an organic electronic element employing the compound, and an electronic device comprising the element, where the compound improves the luminous efficiency, stability and lifetime of the organic electronic element.

An organometallic compound, represented by Formula 1:

##STR00001## wherein M.sub.1 is a transition metal; X.sub.10 is C; X.sub.11 to X.sub.14, X.sub.20, X.sub.30 to X.sub.36, and X.sub.40 are each independently C or N; ring A.sub.20 and ring A.sub.40 are each independently a C.sub.5-C.sub.30 carbocyclic group or a C.sub.1-C.sub.30 heterocyclic group; and R.sub.1 to R.sub.5, R.sub.10, R.sub.20, R.sub.31, R.sub.32, R.sub.40, R.sub.51, R.sub.52, T.sub.1, b10, b20, b31, b32, and b40 are as defined herein.

The present invention relates to a compound of formula (I), wherein R.sup.1, R.sup.2, R.sup.3 and R.sup.4 are each independently hydrogen or R.sup.a, with proviso that a pair of two substituents selected from R.sup.1 and R.sup.2, R.sup.2 and R.sup.3, and R.sup.3 and R.sup.4 is linked to one another and forms a group of formula (II); a material for an organic electroluminescence device comprising at least one compound of formula (I); an organic electroluminescence device which comprises an organic thin film layer be-tween an anode and a cathode, wherein the organic thin film layer comprises one or more layers and comprises a light emitting layer, and at least one layer of the organic thin film layer comprises at least one compound of formula (I); and an electronic equipment comprising the inventive organic electroluminescence device. ##STR00001##

Disclosed herein are compounds capable of producing organic electroluminescence (EL) devices having excellent properties, organic EL devices comprising the compounds, and electronic devices comprising the organic EL devices. The compounds of this disclosure are represented by formula (1) below, where A, B, C, and R.sub.1 to R.sub.11 are defined herein. ##STR00001##

An object of the present invention is to provide a kit and a method capable of achieving high-precision measurement of a measurement target substance in a biological sample in a wide concentration range from a low concentration to a high concentration by sufficiently avoiding the influence of antibodies such as anti-serum albumin antibody present in blood. According to the present invention, there is provided a kit for measuring a measurement target substance in a biological sample, the kit including: a labeled particle having a first binding substance capable of binding to the measurement target substance and having a first blocking agent; and a substrate having a second binding substance capable of binding to any one of the measurement target substance or the first binding substance and having a second blocking agent, in which the labeled particle is a luminescent labeled particle containing at least one kind of compound represented by Formula (1) and a particle, and the first blocking agent and the second blocking agent are different from each other. ##STR00001## Each symbol in Formula (1) has the meaning described in the present specification.

Provided is a compound of Formula 1: ##STR00001##
and an organic light emitting device including the same.

The invention relates to an organic electroluminescent device comprising a light-emitting layer B comprising a host material H.sup.B, a thermally activated delayed fluorescence (TADF) material E.sup.B, and a depopulation agent S.sup.B.

Disclosed is a rare earth complex including: one or a plurality of rare earth ions; and a ligand forming a coordinate bond with the rare earth ions. At least a part of the rare earth ions are at least one kind selected from the group consisting of lutetium(III) ions, yttrium(III) ions, and gadolinium(III) ions. The ligand includes a residue obtained by removing one or more hydrogen atoms from a fluorescent condensed polycyclic aromatic compound.