A compound that has the structure according to Formula 1: ##STR00001##
as well as, devices and formulations containing the compound of Formula 1 are disclosed. In the compound of Formula 1: X.sup.1, X.sup.2, X.sup.3, X.sup.4, X.sup.5, and X.sup.6 are independently selected from the group consisting of C—R and N; each R is independently selected from the group consisting of hydrogen, deuterium, halide, alkyl, cycloalkyl, heteroalkyl, arylalkyl, alkoxy, aryloxy, amino, silyl, alkenyl, cycloalkenyl, heteroalkenyl, alkynyl, aryl, heteroaryl, acyl, carbonyl, carboxylic acids, ester, nitrile, isonitrile, sulfanyl, sulfinyl, sulfonyl, phosphino, and combinations thereof; and at least one R comprises a donor group with at least two electron donating nitrogens.

The present invention provides novel host-guest complexes, wherein the guest molecule has a diameter larger than the aperture size of the host-a metal organic framework (MOF). The novel host-guest complexes of the invention can be used for drug delivery, sensing, electrical conductivity, luminescence, and energy conversion. The invention also provides a method of making the novel host-guest complex, utilizing the linker exchange conditions in which a guest molecule having a diameter larger than the aperture size of the host is encapsulated into the MOF.

Provided is a compound for an EBL capable of improving the light emitting efficiency, stability and life span of a device, and an organic electric element and an electronic device using the same.

An organometallic compound represented by Formula 1:

##STR00001##

wherein in Formula 1, groups and variables are the same as described in the specification.

In one aspect, compositions and methods are described herein for providing a microenvironment mapping platform operable to selectively identify various features, including protein-protein interactions on cellular membranes. In some embodiments, a composition comprises a catalyst, and a protein labeling agent, wherein the catalyst activates the protein labeling agent to a reactive intermediate. The catalyst, in some embodiments, can have electronic structure for permitting energy transfer to the protein labeling agent to form the reactive intermediate. The reactive intermediate reacts or crosslinks with a protein or other biomolecule within the diffusion radius of the reactive intermediate.

Disclosed is a polycyclic compound that can be employed in various organic layers of an organic electroluminescent device. The polycyclic compound has a characteristic skeleton structure and characteristic substituents. Also disclosed is an organic electroluminescent device including the polycyclic compound. The organic electroluminescent device includes a light emitting layer employing the polycyclic compound as a dopant and an anthracene derivative having a characteristic structure as a host. The use of the polycyclic compound significantly improves the luminous efficiency and life characteristics of the organic electroluminescent device and makes the organic electroluminescent device highly efficient and long lasting.

The present specification relates to an organic electronic device in which a novel compound that may improve a life-span, efficiency, a driving voltage drop, and stability of the organic electronic device is contained in an organic material layer.

An organometallic compound represented by Formula 1:

M(L.sub.1).sub.n1(L.sub.2).sub.n2  Formula 1 wherein M is a transition metal, L.sub.1 is a ligand represented by Formula 2 as provided herein, n1 is 1, 2, or 3, wherein, when n1 is 2, two L.sub.1 groups are identical to or different from each other, and when n1 is 3, two or more of three L.sub.1 groups are different from each other, L.sub.2 is a monodentate ligand, a bidentate ligand, a tridentate ligand, or a tetradentate ligand, and n2 is 0, 1, 2, 3, or 4, wherein, when n2 is 2 or greater, two or more L.sub.2 groups are identical to or different from each other, and L.sub.1 and L.sub.2 are different from each other.

The invention provides compositions comprising copper(I) pyrazolate dimer compounds for use in OLEDs applications. The inventive compositions can be used to generate visible light colors or a color blend in electronic devices.

##STR00001##

The present application relates to substituted coumarin derivatives and their uses as fluorescent labels. These compounds may be used as fluorescent labels for nucleotides in nucleic acid sequencing applications.