Compounds of Formula I,

##STR00001##

are provided. In Formula I, M is Pd or Pt; each of X.sup.1 to X.sup.14 is C or N; one of Z.sup.1 and Z.sup.2 is C and the other is N; Y is selected from O, S, Se, N*R, CRR, SiRR, or GeRR; K.sup.1 is a direct bond, O, or S; each R, R, R.sup.A, R.sup.B, R.sup.C, and R.sup.D is independently hydrogen or a substituent; at least one of R, R, R.sup.A, R.sup.B, R.sup.C, or R.sup.D is a substituent R*; and (i) R* comprises a 5-membered or 6-membered heterocyclic ring, or (ii) R* comprises Formula Ia:

##STR00002##

Formula Ia; wherein each of R.sub.Y and R.sub.Z independently represents mono to the maximum allowable substitution, or no substitution; R.sub.1, R.sub.2, R.sub.3, R.sub.4, R.sub.Y and R.sub.Z is independently hydrogen or a substituent selected from the group consisting of deuterium, halogen, alkyl, cycloalkyl, heteroalkyl, heterocycloalkyl, arylalkyl, alkoxy, aryloxy, amino, silyl, germyl, boryl, alkenyl, cycloalkenyl, heteroalkenyl, alkynyl, aryl, heteroaryl, acyl, carboxylic acid, ether, ester, nitrile, isonitrile, sulfanyl, sulfinyl, sulfonyl, phosphino, boryl, selenyl, and combinations thereof; wherein at least one of R.sub.1, R.sub.2, R.sub.3, and R.sub.4 is not hydrogen. Formulations, OLEDs, and consumer products including the compound are also provided.

Embodiments relate to an organic compound of Formula 1:

##STR00001##

The excitons in the triplet state are engaged in emission such that the emitting efficiency of the organic compound is increased. Embodiments also relate to an organic light emitting display device with an organic light emitting diode that includes the organic compound.

Glucose-sensing luminescent dyes, polymers, and sensors are provided. Additionally, systems including the sensors and methods of using these sensors and systems are provided.

Described herein are molecules for use in organic light emitting diodes. Example molecules comprise at least one moiety A and at least one moiety D. Values and preferred values of the moieties A and D are described herein. The molecules comprise at least one atom selected from Si, Se, Ge, Sn, P, or As.

Disclosed embodiments concern a phosphorus-containing heterocyclic compound. Certain embodiments, fluoresce with excitation by light. The compounds are useful as fluorescent probes and as bioisosteres. In some embodiments, the compounds are bioisosteres of carbostyils. Also disclosed is a method for making the compounds.

A fluorescent material and a method of synthesizing thereof are provided. The fluorescent material includes a formula (1) as follows: ##STR00001##
and Y is N or B; X.sub.1 and X.sub.2 are the same or different; X.sub.1 and X.sub.2 are selected from C or Si; R.sub.1, R.sub.2, R.sub.3, and R.sub.4 are the same or different; R.sub.1, R.sub.2, R.sub.3, and R.sub.4 are selected from a hydrogen atom, an alkyl group, an aromatic hydrocarbon group, or a heteroaryl group; R.sub.5, R.sub.6, R.sub.7, and R.sub.8 are the same or different; R.sub.5, R.sub.6, R.sub.7, and R.sub.5 are selected from an alkyl group, an aromatic hydrocarbon group, or a heteroaryl group; or R.sub.5 and R.sub.6 form a cyclic group; or R.sub.7 and R.sub.8 form a cyclic group.

The invention relates to an organic molecule, in particular for the application in optoelectronic devices. According to the invention, the organic molecule has a structure of Formula I:

##STR00001## wherein R.sup.b is at each occurrence independently selected from the group consisting of R.sup.a and a direct bond, which is formed with another group R.sup.b; R.sup.a is at each occurrence independently selected from the group consisting of: hydrogen, deuterium, N(R.sup.5).sub.2, OR.sup.5, Si(R.sup.5).sub.3, B(OR.sup.5).sub.2, B(R.sup.5).sub.2, OSO.sub.2R.sup.5, CF.sub.3, CN, F, Cl, Br, I, C.sub.1-C.sub.40-alkyl, C.sub.1-C.sub.40-alkoxy, C.sub.1-C.sub.40-thioalkoxy, C.sub.2-C.sub.40-alkenyl, C.sub.2-C.sub.40-alkynyl, C.sub.6-C.sub.60-aryl, and C.sub.2-C.sub.57-heteroaryl; and R.sup.5 is at each occurrence independently selected from the group consisting of: hydrogen, deuterium, N(R.sup.6).sub.2, OR.sup.6, Si(R.sup.6).sub.3, B(OR.sup.6).sub.2, B(R.sup.6).sub.2, OSO.sub.2R.sup.6, CF.sub.3, CN, F, Br, I, C.sub.1-C.sub.40-alkyl, C.sub.1-C.sub.40-alkoxy, C.sub.1-C.sub.40-thioalkoxy, C.sub.2-C.sub.40-alkenyl, C.sub.2-C.sub.40-alkynyl, C.sub.6-C.sub.60-aryl, and C.sub.2-C.sub.57-heteroaryl.

The present invention relates to a photoactive material comprising a donor substance and an acceptor substance, wherein the donor substance comprises or consists of one or more compounds of formula (I) described herein, or the acceptor substance comprises or consists of one or more compounds of formula (I) described herein, or the donor substance comprises or consists of a first compound of formula (I) described herein and the acceptor substance comprises a second compound of formula (I) described herein with the proviso that the first and second compound are not the same, as well as to an organic solar cell comprising said photoactive material. The present invention also relates to a photoelectric conversion device comprising or consisting of two or more organic solar cells comprising said photoactive material and to compounds of formula (I) as described herein for use as donor substance or as acceptor substance in a photoactive material, Further, the present invention relates to the use of a compound of formula (III) as described herein in the synthesis of a compound of formula (I)as described herein.

A compound and an organic optoelectronic device are provided. The compound has the following chemical formula (I): ##STR00001##
chemical formula (I). In the chemical formula (I), X.sub.1 to X.sub.2 are independently selected from O, S, ##STR00002##
and substituted or unsubstituted methylene, and a substituent is selected from hydrogen, deuterium, C.sub.1 to C.sub.30 alkyl, C.sub.1 to C.sub.30 heteroatom-substituted alkyl, C.sub.6 to C.sub.30 aryl, and C.sub.2 to C.sub.30 heteroaryl. X.sub.3 is selected from O, S, substituted or unsubstituted methylene, substituted or unsubstituted methylene, and substituted or unsubstituted silylene, and a substituent is selected hydrogen, deuterium, C.sub.1 to C.sub.30 alkyl, C.sub.1 to C.sub.30 heteroatom-substituted alkyl, C.sub.6 to C.sub.30 aryl, and C.sub.2 to C.sub.30 heteroaryl. R.sub.1 to R.sub.17 are independently selected from hydrogen, deuterium, C.sub.1 to C.sub.30 alkyl, C.sub.1 to C.sub.30 heteroatom-substituted alkyl, C.sub.6 to C.sub.30 aryl, and C.sub.2 to C.sub.30 heteroaryl.

The present invention relates to a novel compound and an organic electroluminescence device including the same, and the compound according to the present invention may be used in an organic material layer, preferably a light-emitting layer of an organic electroluminescence device, thereby enhancing the light-emitting efficiency, driving voltage, lifespan, and the like of the organic electroluminescence device.