An organic electroluminescence device may include a cathode, an anode, and an emitting layer disposed between the cathode and the anode, the emitting layer including: (i) at least one anthracene compound with a dipole moment of >1.0×10.sup.−30 Cm (0.3 debye); (ii) at least one organic fluorescent compound with (ii-a) an onset of fluorescence at lower energies than that of (i) and at an energy >2.6 eV, (ii-b) photoluminescence quantum yield >70%, and (ii-c) ionization potential >5.3 eV, as component (2); (iii) at least one organic compound with (iii-a) ionization potential <5.3 eV and (iii-b) onset of fluorescence at higher energies than that of (ii). A material may include (ii) and (iii) and electronic equipment may include such organic electroluminescence device(s) or material(s), which may be used in a light emitting layer of an organic electroluminescence device.

The present disclosure relates to an organic electroluminescence device including an organometallic compound represented by Formula 1 or Formula 2 below in an emission layer, to achieve long service life of the organic electroluminescence device. ##STR00001##

The invention relates to heterocyclic compounds which are suitable for use in electronic devices, and to electronic devices, in particular organic electroluminescent devices, containing said compounds.

The present disclosure relates to an organic electroluminescent compound and an organic electroluminescent device comprising the same. By comprising the compound according to the present disclosure, it is possible to produce an organic electroluminescent device having improved driving voltage, power efficiency, and/or lifetime properties compared to the conventional organic electroluminescent devices.

Provided herein are processes for preparing fluorescent 1-cyano-2-substituted isoindole compounds or N-substituted phthalazinium compounds, comprising reacting an aromatic dialdehyde or aromatic aldehyde-ketone compound with a material that contains primary amino or hydrazine groups, and assaying methods involving the processes thereof.

The present invention relates to compounds of formula I, wherein D is a detectable moiety, or salts thereof, which can be used as activity-based probes for neutrophil elastase, as well as to methods for detecting neutrophil elastase (NE) activity in a tissue sample lysate, and related diagnostic methods using compounds of formula I.

##STR00001##

The present disclosure relates to an electrochromic material having a relatively high response speed and a reversible discoloration even by a relatively low driving voltage and an electrochromic particle, a transmittance variable panel and a transmittance variable display device including the electrochromic material.

A compound is disclosed that has a metal coordination complex structure having at least two ligands coordinated to the metal; wherein the compound has a first substituent R.sup.1 at one of the ligands' periphery; wherein a first distance is defined as the distance between the metal and one of the atoms in R.sup.1 where that atom is the farthest away from the metal among the atoms in R.sup.1; wherein the first distance is also longer than any other atom-to-metal distance between the metal and any other atoms in the compound; and wherein when a sphere having a radius r is defined whose center is at the metal and the radius r is the smallest radius that will allow the sphere to enclose all atoms in the compound that are not part of R.sup.1, the first distance is longer than the radius r by at least 2.9 Å.

A condensed cyclic compound represented by Formula 1 and an organic light-emitting device including the same.

##STR00001##

An organic electroluminescent device includes a pair of electrodes; and an organic layer between the pair of electrodes, which includes a light-emitting layer, wherein the organic layer contains a compound represented by the following formula (I); and the light-emitting layer contains a iridium complex phosphorescent material:

##STR00001##

wherein R.sup.1, R.sup.2, R.sup.3, R.sup.4, R.sup.5, R.sup.6, R.sup.7 and R.sup.8 each represents a hydrogen atom or a substituent, and contiguous substituents of R.sup.1 to R.sup.8 may be bonded to each other to form a condensed ring; R.sup.9 represents an alkyl group, an alkenyl group, an aryl group, a hetero-aryl group, or a silyl group, and each of which group may be substituted with a substituent; and at least one of R.sup.1 to R.sup.9 represents a deuterium atom or a substituent containing a deuterium atom.