Abstract: Iridium complexes containing hexadentate ligands are disclosed. Multidentate iridium complexes of Formula II showed desired properties in term of EQE, LT, CIE, etc.
Abstract: Organic light emitting materials and devices comprising phosphorescent metal complexes comprising ligands comprising aryl or heteroaryl groups substituted at both ortho positions are described. An organic light emitting device, comprising: an anode; a hole transport layer; an organic emissive layer comprising an emissive layer host and an emissive dopant; an electron impeding layer; an electron transport layer; and a cathode disposed, in that order, over a substrate.
Type:
Grant
Filed:
May 15, 2015
Date of Patent:
August 13, 2019
Assignee:
Universal Display Corporation
Inventors:
Chun Lin, Peter B. Mackenzie, Robert W. Walters, Jui-Yi Tsai, Cory S. Brown, Jun Deng
Abstract: A compound is represented by the following formula (I): wherein each of Ar1 and Ar2 independently represents an aromatic ring or an aromatic heterocyclic ring; each of R1, R2, R3 and R4 independently represents a hydrogen atom or a substituent; each of Z1 and Z2 independently represents a carbon atom or a nitrogen atom; each of ring Q1 containing a carbon atom and Z1, and ring Q2 containing a carbon atom and Z2 independently represents an aromatic ring or an aromatic heterocyclic ring; and A1 represents a single bond or a divalent linking group.
Abstract: An organic electronic device comprising at least one hole-transport material and/or at least one electron/exciton blocker material, wherein said at least one hole-transport material and/or said at least one electron/exciton blocker material is an Ir metal-carbene complex comprising one, two or three specific bidentate azabenzimidazole ligands; a hole transport layer or an electron/exciton blocking layer, comprising at least one Ir metal-carbene complex, comprising one, two or three specific bidentate azabenzimidazole ligands; an apparatus selected from the group consisting of stationary visual display units, mobile visual display units, illumination units, units in items of clothing, units in furniture and units in wallpaper, comprising the organic electronic device of the present invention or the hole transport layer or the electron/exciton blocking layer of the present invention; and the use of an Ir metal-carbene complex comprising one, two or three specific bidentate azabenzimidazole ligands according to
Type:
Grant
Filed:
March 19, 2014
Date of Patent:
August 6, 2019
Assignee:
UDC Ireland Limited
Inventors:
Stefan Metz, Soichi Watanabe, Thomas Geßner, Korinna Dormann, Peter Murer, Christian Lennartz, Ute Heinemeyer, Glauco Battagliarin
Abstract: Novel organic compounds comprising ligands with deuterium substitution are provided. In particular, the compound is an iridium complex comprising methyl-d3 substituted ligands. The compounds may be used in organic light emitting devices to provide devices having improved color, efficiency and lifetime.
Type:
Grant
Filed:
March 8, 2017
Date of Patent:
August 6, 2019
Assignee:
UNIVERSAL DISPLAY CORPORATION
Inventors:
Chuanjun Xia, James Fiordeliso, Raymond Kwong
Abstract: Provided is an organic metal complex having a structure represented by the following general formula (1): MLmL?n??(1) where: M represents a metal atom selected from Ir, Pt, Rh, Os, and Zn; L and L?, which are different from each other, each represent a bidentate ligand; m represents an integer of 1 to 3 and n represents an integer of 0 to 2, provided that m+n is 3; a partial structure MLm represents a structure represented by the following general formula (2): and a partial structure ML?n represents a structure including a monovalent bidentate ligand.
Type:
Grant
Filed:
July 26, 2018
Date of Patent:
July 30, 2019
Assignee:
SAMSUNG ELECTRONICS CO., LTD.
Inventors:
Jun Kamatani, Masashi Hashimoto, Satoshi Igawa, Shinjiro Okada
Abstract: An organometallic complex and an organic light-emitting diode including the same, the organometallic complex being represented by Formula 1 below:
Type:
Grant
Filed:
July 23, 2013
Date of Patent:
July 30, 2019
Assignees:
SAMSUNG DISPLAY CO., LTD., PUSAN NATIONAL UNIVERSITY INDUSTRY-UNIVERSITY COOPERATION FOUNDATION
Inventors:
Soung-Wook Kim, Jae-Hong Kim, Myeong-Suk Kim, Moon-Jae Lee, Young-Inn Kim, Seong-Jae Yun, Dae-Young Kim
Abstract: A composition including a first compound capable of functioning as a phosphorescent emitter in an OLED is provided. The first compound has at least one aromatic ring and at least one substituent R directly bonded to one of the at least one aromatic rings. Each substituent R has the formula of where (a) G1 is selected from NR1, SiR1R2, GeR1R2, alkyl, cycloalkyl, and combinations thereof; and G2 is a non-aromatic polycyclic group; (b) G1 is a direct bond; and G2 is a non-aromatic spiro polycyclic group; or (c) G1 is selected from direct bond, NR1, SiR1R2, GeR1R2, alkyl, cycloalkyl, and combinations thereof; G2 is a non-aromatic polycyclic group; and R is directly bonded to a phenyl, pyridine, or triazine. R1, R2, and R3 are a variety of substituents. Formulations and devices, such as an OLEDs, that include the first compound are also described.
Type:
Grant
Filed:
August 18, 2016
Date of Patent:
July 23, 2019
Assignee:
UNIVERSAL DISPLAY CORPORATION
Inventors:
Chuanjun Xia, Chun Lin, Pierre-Luc T. Boudreault, Jui-Yi Tsai, Mingjuan Su, Lichang Zeng, Zhiqiang Ji, Edward Barron, Walter Yeager, Alexey Borisovich Dyatkin
Abstract: The present invention provides for organometallic and organic dopants suitable for use in organic carrier transporting materials. Also provided are organic light emitting devices containing doped organic carrier transporting materials.
Abstract: An organometallic complex and an organic light-emitting diode including the same, the organometallic complex being represented by Formula 1 below:
Type:
Grant
Filed:
July 23, 2013
Date of Patent:
June 18, 2019
Assignees:
SAMSUNG DISPLAY CO., LTD., PUSAN NATIONAL UNIVERSITY INDUSTRY-UNIVERSITY COOPERATION FOUNDATION
Inventors:
Soung-Wook Kim, Jae-Hong Kim, Myeong-Suk Kim, Moon-Jae Lee, Young-Inn Kim, Seong-Jae Yun, Dae-Young Kim
Abstract: Novel phosphorescent heteroleptic iridium complexes with phenylpyridine and dibenzo-containing ligands are provided. Alkyl substitution at specific positions on the ligands gives rise to compounds with improved OLED properties, including saturated green emission.
Abstract: A charge transporting material comprising a compound represented by any one of the following general formula (1-1) to general formula (1-3): wherein R111 to R114, R121 to R125 and R131 to R135 each independently represent a hydrogen atom or a substituent, and may be bound together to form a ring; L111 to L113 each independently represent O or S; L121 to L123 each independently represent a single bond or a divalent linking group; and Ar111 to Ar113 each independently represent an aryl group or a heteroaryl group.
Abstract: A material for an organic electroluminescence device, includes: an organic material that is to be provided for a film formation of any of at least one organic layer included in the organic electroluminescence device, the organic material having a water content before the film formation, as measured by the Karl Fischer method, of 100 ppm or more and not more than 1,000 ppm.
Abstract: An organic light-emitting device includes an emission layer including a dopant comprising a first compound represented by Formula 1 and a host comprising a second compound represented by Formula 100 wherein in Formulae 1 and 100, X1, X11, R1, R2, R4, R51 to R60, L, a, n and m are the same as defined in the present application.
Type:
Grant
Filed:
May 8, 2014
Date of Patent:
March 5, 2019
Assignee:
SAMSUNG DISPLAY CO., LTD.
Inventors:
Jong-Won Choi, Yoon-Hyun Kwak, Bum-Woo Park, Sun-Young Lee, Wha-Il Choi, So-Yeon Kim, Ji-Youn Lee
Abstract: Novel phosphorescent tetradentate platinum compounds of Formula I are provided. The complexes contain a dibenzo moiety, which allows for the creation of OLED devices with improved properties when compounds of Formula I are incorporated into such devices. Compounds of Formula I? that comprise two ligands that contain a 5-membered carbocyclic or heterocyclic ring, one of which contains an imidazole ring with a twisted aryl group attached to N?1 and a second aromatic ring that is attached to the platinum via a carbon atom. These compounds may be advantageously used in OLEDs.
Type:
Grant
Filed:
August 30, 2017
Date of Patent:
February 26, 2019
Assignee:
UNIVERSAL DISPLAY CORPORATION
Inventors:
Gregg Kottas, James Fiordeliso, Bin Ma, Chuanjun Xia, Scott Beers, Jason Brooks
Abstract: A biscarbazole derivative of the invention is represented by a formula (1) below. In the formula (1): A1 represents a substituted or unsubstituted nitrogen-containing heterocyclic group having 1 to 30 ring carbon atoms; A2 represents a substituted or unsubstituted aromatic hydrocarbon group having 6 to 30 ring carbon atoms, or substituted or unsubstituted nitrogen-containing heterocyclic group having 1 to 30 ring carbon atoms; X1 and X2 each are a linking group; Y1 to Y4 each represent a substituent; p and q represent an integer of 1 to 4; and r and s represent an integer of 1 to 3.
Abstract: Organic metal compounds, and organic light-emitting devices employing the same, are provided. The organic metal compound has a chemical structure represented by formula (I): wherein each R1 can be independently hydrogen, C1-12 alkyl group, C5-10 cycloalkyl group, C3-12 heteroaryl group, or C6-12 aryl group; R2 can be independently hydrogen, halogen, C1-12 alkyl group, C5-10 cycloalkyl group, C3-12 heteroaryl group, or C6-12 aryl group.
Type:
Grant
Filed:
August 27, 2015
Date of Patent:
December 25, 2018
Assignee:
INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTE
Abstract: An organometallic compound represented by Formula 1: wherein in Formula 1, R11 to R20, L11, m11, and n11 are the same as described in the specification.
Abstract: An organic electronic component includes a substrate and a first electrode arranged on the substrate, and at least one organic functional layer arranged on the first electrode. The organic functional layer includes a matrix material into which a p-dopant has been introduced and a second electrode arranged on the organic functional layer. The p-dopant includes a copper complex having at least two ligands. Each ligand has a benzene unit with six carbon atoms. With respect to each ligand, an iminium group is linked directly as a substituent to one of the six carbon atoms of the benzene unit, and an oxygen is bound as a substituent to an adjacent carbon atom of the benzene unit, with the oxygen and the benzene unit together forming an aryloxy group. The ligands are coordinated to the copper cation, so that the copper complex has a trans-structure. The organic functional layer is hole-conducting.
Type:
Grant
Filed:
October 23, 2017
Date of Patent:
December 18, 2018
Assignee:
OSRAM OLED GmbH
Inventors:
Guenter Schmid, Jan Hauke Wemken, Renate Kellermann, Andreas Kanitz, Benedict Hendrik Sandmann