Abstract: The present disclosure provides phenyl biphenylpyrimidine compounds of formula (I) and an organic electroluminescent device using the same: wherein X1 and A1 each independently represents substituted or unsubstituted C6-30 aryl or substituted or unsubstituted C5-30 heteroaryl having at least one heteroatom selected from the group consisting of N, O, and S, and n represents an integer of 1 or 2.

Abstract: The present disclosure provides phenyl biphenylpyrimidine compounds of formula (I) and an organic electroluminescent device using the same: wherein X1 and A1 each independently represents substituted or unsubstituted C6-30 aryl or substituted or unsubstituted C5-30 heteroaryl having at least one heteroatom selected from the group consisting of N, O, and S, and n represents an integer of 1 or 2.

Abstract: Organic metal compounds and organic electroluminescence devices employing the same are provided. The organic metal compound has a chemical structure represented below: wherein R1, R2, R3, R4, and R5 are independent and can be hydrogen, halogen, C1-8 alkyl or C1-8alkoxy; L can be acetylacetone ligand, picolinic acid ligand, N, N?-diisopropylbenzamidinate, or N, N?-diisopropyl-diisopropyl-guanidinate.

Abstract: An organic metal complex and an organic electroluminescent device including the same are provided. The organic metal complex is represented by the formula of wherein Ar includes 1-naphthyl, 2-naphthyl or benzothienyl, and L includes acetylacetone, N,N-diisopropyl-benzamidinate or N,N-diisopropyl-diisopropyl-guanidinate. The organic electroluminescent device includes a pair of electrodes and an electroluminescent element disposed between the pair of electrodes, wherein the electroluminescent element includes the organic metal complex.

Abstract: Provided is a compound represented by formula (I), wherein R represents substituted or unsubstituted (C1-C10)alkyl; each of Ar1, Ar2, Ar3 and Ar4 independently represents substituted or unsubstituted (C6-C30)aryl, or substituted or unsubstituted (5 to 30-membered)heteroaryl; and n represents an integer of from 0 to 4. Also provided is an organic electroluminescent device including the compound of formula (I).

Abstract: The present disclosure provides a compound represented by formula (I): and an organic electroluminescent device including the same.

Abstract: Organic metal compounds and organic electroluminescence devices employing the same are provided. The organic metal compound has a chemical structure represented below: wherein R1, R2, R3, R4, and R5 are independent and can be hydrogen, halogen, C1-8 alkyl or C1-8alkoxy; L can be acetylacetone ligand, picolinic acid ligand, N,N?-diisopropylbenzamidinate, or N,N?-diisopropyl-diisopropyl-guanidinate.

Abstract: Organometallic compounds and organic electroluminescence devices employing the same are provided. The organometallic compound has a chemical structure as represented by wherein R1, R2 are hydrogen, phenyl, biphenyl, diisopropyl amino, or derivatives thereof. The organic electroluminescence device includes a pair of electrodes and an electroluminescent element disposed between the pair of electrodes, wherein the electroluminescent element includes the organometallic compound.

Abstract: An organic metal complex and an organic electroluminescent device including the same are provided. The organic metal complex is represented by the formula of wherein Ar includes 1-naphthyl, 2-naphthyl or benzothienyl, and L includes acetylacetone, N,N-diisopropyl-benzamidinate or N,N-diisopropyl-diisopropyl-guanidinate. The organic electroluminescent device includes a pair of electrodes and an electroluminescent element disposed between the pair of electrodes, wherein the electroluminescent element includes the organic metal complex.

Abstract: Organometallic compounds and organic electroluminescence devices employing the same are provided. The organometallic compound has a chemical structure represented below: wherein, X is C—H or N, Y is CH2 or NH; R1 is H, or C1-8 alkyl; and A1 is acetylacetone ligand, acetylacetone with phenyl group ligand, or derivatives thereof.

Abstract: Organometallic compounds and organic electroluminescence devices and compositions employing the same are provided. The organic metal compound has a chemical structure represented by formula (I) or formula (II): wherein, R is an alkyl group, or cycloalkyl group, such as C1-12 alkyl group, or C4-12 cycloalkyl group.

Abstract: A quinoxaline derivative represented by Formula (I) of or Formula (II) of is provided. In Formula (I) or (II), R1, R2, R3 and R4 are, independently, hydrogen, halogen, methyl, ethyl, propyl, butyl, aryl or heteroaryl, for example phenyl, furyl, thienyl, pyridyl, pyrimidyl, benzothiazolyl or benzoimidazolyl. The disclosure also provides an organic light-emitting diode including the quinoxaline derivative.

Abstract: Organic compounds and organic electroluminescence devices employing the same are provided. The organic compound has a chemical structure represented as follows: wherein: R1, R2, R3, R4, R5, R6, and R7 are each independently an H, C1-8 alkyl group, C1-8 alkoxy group, C1-8 halo-alkyl group, aryl group, heteroaryl group, cycloalkyl group, hetero-cycloalkyl group, or cycloaliphatic group; Z is independently and R8 and R9 are each independent an aryl group, heteroaryl group, cycloalkyl group, hetero-cycloalkyl, or cycloaliphatic group.

Abstract: Organometallic compounds and organic electroluminescence devices employing the same are provided. The organometallic compound has a chemical structure represented below: wherein, X is C—H or N, Y is CH2 or NH; R1 is H, or C1-8 alkyl; and A1 is acetylacetone ligand, acetylacetone with phenyl group ligand, or derivatives thereof.

Abstract: Organometallic compounds and organic electroluminescence devices employing the same are provided. The organic compound has a chemical structure as represented below: wherein, A1 is diisopropyl carbodiimide ligand, 5-(2-pyridyl)-1,2,4-triazole ligand, acetylacetone with phenyl group ligand, 2-phenyl-1,3,4-oxadiazole ligand, or derivatives thereof. The organometallic compound of the disclosure can be applied in an organic electroluminescent device for enhancing the electroluminescent efficiency thereof.

Abstract: A quinoxaline derivative represented by Formula (I) of or Formula (II) of is provided. In Formula (I) or (II), R1, R2, R3 and R4 are, independently, hydrogen, halogen, methyl, ethyl, propyl, butyl, aryl or heteroaryl, for example phenyl, furyl, thienyl, pyridyl, pyrimidyl, benzothiazolyl or benzoimidazolyl. The disclosure also provides an organic light-emitting diode including the quinoxaline derivative.

Abstract: A quinoxaline derivative represented by Formula (I) or (II) is provided. In Formula (I) or (II), R1 and R2 are, independently, hydrogen, halogen, methyl, ethyl, propyl, butyl, aryl or heteroaryl, for example phenyl, furyl, thienyl, pyridyl, pyrimidyl, benzothiazolyl or benzoimidazolyl. An organic light-emitting diode including the quinoxaline derivative is also provided.

Abstract: Organometallic compounds and organic electroluminescence devices and compositions employing the same are provided. The organic metal compound has a chemical structure represented by formula (I) or formula (II): wherein, R is an alkyl group, or cycloalkyl group, such as C1-12 alkyl group, or C4-12 cycloalkyl group.

Abstract: The present invention discloses a soluble polythiophene derivative containing highly coplanar repeating units. The coplanar characteristic of the TPT (thiophene-phenylene -thiophene) units improves the degree of intramolecular conjugation and intermolecular ?-? interaction. The polythiophene derivative exhibits good carrier mobility and is suitable for use in optoelectronic devices such as organic thin film transistors (OTFTs), organic light-emitting diodes (OLEDs), and organic solar cells (OSCs).

Abstract: Organic compounds and organic electroluminescence devices employing the same are provided. The organic compound has a chemical structure represented as follows: wherein: R1, R2, R3, R4, R5, R6, and R7 are each independently an H, C1-8 alkyl group, C1-8 alkoxy group, C1-8 halo-alkyl group, aryl group, heteroaryl group, cycloalkyl group, hetero-cycloalkyl group, or cycloaliphatic group; Z is independently and R8 and R9 are each independent an aryl group, heteroaryl group, cycloalkyl group, hetero-cycloalkyl, or cycloaliphatic group.