Abstract:
The present invention discloses a bis-triphenylsilyl compound and its applications as a host material, electron transport material, or hole transport material in an organic electronic device. The general structure of the bis-triphenylsilyl compound is as follows: where G represents any atomic moiety or single bond of the functional group selected from the group consisting of the following: aryl group, cyclene group, and heterocyclic ring group; and R1˜R32 represent substituents on aryl groups.
Abstract:
The present invention discloses a bis-triphenylsilyl compound and its applications as a host material, electron transport material, or hole transport material in an organic electronic device. The general structure of the bis-triphenylsilyl compound is as follows: where G represents any atomic moiety or single bond of the functional group selected from the group consisting of the following: aryl group, cyclene group, and heterocyclic ring group; and R1˜R32 represent substituents on aryl groups.
Abstract:
The invention provides a host material for organic light emitting diodes, having the general formula: wherein R1 is selected from a C1-8 alkyl group, each R2 is independently selected from a hydrogen or a C1-8 alkyl group, Ar is selected from a C5-14 aromatic or hetero aromatic group, R3 is selected from a C5-14 aromatic or hetero aromatic group, a C1-8 alkyl group, a C5-8 cycloalkyl group, a C1-8 fluoroalkyl group, or a C1-8 alkoxyl group, and n is an integer of 1-10. The host materials have a higher energy gap (greater than 4.0 eV), and high thermal stability.
Abstract:
The present invention discloses a conjugated compound containing a hydroindoloacridine structural element and its applications as a host material or a hole transport material in an organic electronic device. The general structure of the conjugated compound containing a hydroindoloacridine structural element is as follows: where R1˜R5 can be identical or different.
Abstract:
The invention provides a host material for organic light emitting diodes, having the general formula: wherein R1 is selected from a C1-8 alkyl group, each R2 is independently selected from a hydrogen or a C1-8 alkyl group, Ar is selected from a C5-14 aromatic or hetero aromatic group, R3 is selected from a C5-14 aromatic or hetero aromatic group, a C1-8 alkyl group, a C5-8 cycloalkyl group, a C1-8 fluoroalkyl group, or a C1-8 alkoxyl group, and n is an integer of 1-10. The host materials have a higher energy gap (greater than 4.0 eV), and high thermal stability.
Abstract:
The present invention discloses a conjugated compound containing a hydroindoloacridine structural element and its applications as a host material or a hole transport material in an organic electronic device. The general structure of the conjugated compound containing a hydroindoloacridine structural element is as follows: where R1˜R5 can be identical or different.
Abstract:
This invention provides transition metal carbene complexes and the electroluminescent application thereof. Through employing different N^N heteroleptic ligand, as the following, the transition metal carbene complex can display wide-range color tuning ability from deep blue to red. The mentioned transition metal carbene complex can be applied in luminescent device, and the luminescent device can display wide-range color tuning ability with high luminescent efficiency while employing different N^N heteroleptic ligand in the transition metal carbene complex.
Abstract:
A 9,10-bisphenylphenanthrene derivative has a structure of formula (1): wherein P1 and P2 are substituted or non-substituted polycyclic aromatic hydrocarbons (PAH), and R is a member selected from the group consisting of H, halo, cyano, trifluoromethyl, amino, C1-C10 alkyl, C2-C10 alkenyl, C2-C10 alkynyl, C3-C20 cycloalkyl, C3-C20 cycloalkenyl, C1-C20 heterocycloalkyl, C1-C20 heterocycloalkenyl, aryl and heteroaryl. The 9,10-bisphenylphenanthrene derivative of the present invention may function as a host emitter to be used in an organic light emitting device with advantages such as higher efficiency, lower operating voltage, higher brightness and higher thermal stability.
Abstract:
A method for synthesis of secondary alcohols is provided for pharmaceutical secondary alcohol by addition of organoboronic acids with aldehydes in presence of the cobalt ion and bidentate ligands as the catalyst. In addition, an enantioselective synthesis method for secondary alcohols is also herein provided in the present invention. The present invention has advantages in using less expensive cobalt ion and commercially available chiral ligands as the catalyst, wide scope of organoboronic acids and aldehydes compatible with this catalytic reaction and achieving excellent yields and/or enantiomeric excess.
Abstract:
A phosphorescent Ir complex having the following structures (I) or (II) is used as an emitter in an organic light emitting diode (OLED): wherein X is an arbitrary monoanionic bidentate ligand; Z is an arbitrary moiety constituting a nitrogen-containing heterocyclic group; R1 is a substituent on the nitrogen-containing heterocyclic group; m is 0 or a positive integer; R2 and R3 independently are H, halogen, C1-C6 alkyl, a halogen-substituted C1-C6 alkyl, C1-C6 alkoxy, phenyl C1-C6 alkyl, amino, aryl, heterocyclic aryl substituent.