An organic electroluminescent element including a substrate, a pair of electrodes including an anode and a cathode, disposed on the substrate, and at least one organic layer including a light emitting layer, disposed between the electrodes, in which at least one kind of compound represented by the following general formula is contained in any layer of the at least one organic layer, is an organic electroluminescent element, in which the generation of dark spots during driving is inhibited: ##STR00001##

An organic electroluminescent element including a substrate, a pair of electrodes including an anode and a cathode, disposed on the substrate, and at least one organic layer including a light emitting layer, disposed between the electrodes, in which at least one kind of compound represented by the following general formula is contained in any layer of the at least one organic layer, is an organic electroluminescent element, in which the generation of dark spots during driving is inhibited: ##STR00001##

The present invention relates to compounds of formula (1). The compounds are suitable for use in electronic devices, in particular organic electroluminescent devices, comprising these compounds. In some embodiments, the compounds are used as matrix materials for phosphorescent or fluorescent emitters as well as a hole-blocking or electron-transport.

The present invention relates to compounds of formula (1). The compounds are suitable for use in electronic devices, in particular organic electroluminescent devices, comprising these compounds. In some embodiments, the compounds are used as matrix materials for phosphorescent or fluorescent emitters as well as a hole-blocking or electron-transport.

The present invention relates to new compounds derived from marine actinomycetes Streptomyces, and the new compound according to the present invention has an inhibitory effect of NO production on BV-2 microglia stimulated with LPS, and thus can be utilized for the prevention and treatment of neuroinflammatory diseases.

The present invention relates to new compounds derived from marine actinomycetes Streptomyces, and the new compound according to the present invention has an inhibitory effect of NO production on BV-2 microglia stimulated with LPS, and thus can be utilized for the prevention and treatment of neuroinflammatory diseases.

Provided are a novel compound capable of improving the luminous efficiency, stability and lifespan of an element, an organic electronic element using the same, and an electronic device thereof.

Provided are a novel compound capable of improving the luminous efficiency, stability and lifespan of an element, an organic electronic element using the same, and an electronic device thereof.

The present application relates to an organic compound, and there are electron transport and injection groups and a conjugated fused heteroaromatic ring in a structure of the organic compound. The organic compound can be used in a functional layer of an organic light-emitting device (OLED). When used in an OLED, the organic compound of the present application can improve the light-emitting efficiency and service life of the OLED.

Methods are disclosed including methods for crystallizing a material such as a drug. An example method may include combining a nucleation initiator, a surfactant solution, and an amorphous form of a drug to form a drug precursor dispersion/suspension. The method may also include incubating the drug precursor dispersion/suspension to allow the drug to convert from the amorphous form to a crystalline form.