Patents Examined by Dylan C Kershner
  • Patent number: 11380855
    Abstract: Novel iridium complexes containing phenylpyridine and pyridyl aza-benzo fused ligands are described. These complexes are useful as light emitters when incorporated into OLEDs.
    Type: Grant
    Filed: October 21, 2019
    Date of Patent: July 5, 2022
    Assignee: UNIVERSAL DISPLAY CORPORATION
    Inventors: Scott Beers, Chuanjun Xia, Harvey Wendt, Suman Layek
  • Patent number: 11362279
    Abstract: An aromatic amine derivative represented by formula (1): wherein R1, R2, R3, L, Ar1, Ar2, k, m, and n are the same as defined in the specification, is useful as a material for an organic EL device and realizes an organic EL device with a high efficiency and a long lifetime even when driving it at a low voltage.
    Type: Grant
    Filed: June 15, 2020
    Date of Patent: June 14, 2022
    Assignee: IDEMITSU KOSAN CO., LTD.
    Inventors: Tomoki Kato, Takayasu Sado, Takahiro Fujiyama
  • Patent number: 11362283
    Abstract: The present specification provides an organoluminescent device including a capping layer on one surface of an electrode, wherein the capping layer includes a compound represented by Chemical Formula 1: X, and R1 to R5 are defined therein.
    Type: Grant
    Filed: September 8, 2016
    Date of Patent: June 14, 2022
    Inventors: Dae Woong Lee, Yeon-Ho Cho, Sang Young Jeon, Hyoung Seok Kim, Sang Duk Suh
  • Patent number: 11345686
    Abstract: Provided are: an aromatic amine derivative including a substituent A and a substituent B each represented by the formula (1) or (2) and having an arylene group bound to a carbazole structure, in which the substituent A and the substituent B include groups different from each other in the position at which the arylene group is bonded to the carbazole structure, and the substituent A and the substituent B are bonded to the same nitrogen atom or different nitrogen atoms in the molecule; an organic electroluminescent device including an organic thin-film layer formed of one or more layers including at least a light emitting layer, the organic thin-film layer being interposed between a cathode and a anode, in which at least one layer of the organic thin-film layer contains the aromatic amine derivative, and the molecules are rarely crystallized, the yield upon production of the organic electroluminescent device is improved, the driving voltage for the organic electroluminescent device is low, and the lifetime of t
    Type: Grant
    Filed: February 14, 2019
    Date of Patent: May 31, 2022
    Assignee: IDEMITSU KOSAN CO., LTD.
    Inventor: Tomoki Kato
  • Patent number: 11349083
    Abstract: The present invention includes novel compounds containing heterocycles and oligomeric phenylene or aza and cyano substituted variants thereof. These compounds may be useful as host materials for phosphorescent electroluminescent devices.
    Type: Grant
    Filed: August 8, 2018
    Date of Patent: May 31, 2022
    Assignee: Universal Display Corporation
    Inventor: Peter Wolohan
  • Patent number: 11349094
    Abstract: An organic light emitting element includes a first electrode a second electrode that faces the first electrode, an emission layer between the first electrode and the second electrode, the emission layer including quantum dots, and a hole transport layer between the first electrode and the emission layer. The quantum dots include at least one of a Group I-VI compound, a Group II-VI compound, and a Group III-VI compound. The hole transport layer includes at least one of a p-doped Group I-VI compound, a p-doped Group II-VI compound, and a p-doped Group III-VI compound.
    Type: Grant
    Filed: December 1, 2016
    Date of Patent: May 31, 2022
    Assignee: Samsung Display Co., Ltd.
    Inventors: Dong Chan Kim, Yi Su Kim, Byoung Duk Lee, Yoon Hyeung Cho
  • Patent number: 11322691
    Abstract: The present invention includes novel compounds containing heterocycles or azaheterocycles and fused phenylene or aza and cyano substituted variants thereof. These compounds may be useful as host materials for phosphorescent electroluminescent devices.
    Type: Grant
    Filed: July 24, 2018
    Date of Patent: May 3, 2022
    Assignee: Universal Display Corporation
    Inventors: Peter Wolohan, Morgan C. MacInnis
  • Patent number: 11316113
    Abstract: Novel organic compounds comprising a bicarbazole core are provided. In particular, the compounds has a 3,3?-bicarbazole core substituted at the 9-position with a triazine or pyrimidine. The compounds may be used in organic light emitting devices to provide devices having improved efficiency and improved lifetime.
    Type: Grant
    Filed: March 8, 2018
    Date of Patent: April 26, 2022
    Assignee: UNIVERSAL DISPLAY CORPORATION
    Inventors: Chuanjun Xia, Raymond Kwong, Ken-Tsung Wong, Ming-Cheng Kuo
  • Patent number: 11289659
    Abstract: Novel electroluminescent devices containing bicarbazole triazine compounds as emissive dopants are described. Devices incorporating this class of compounds exhibit delayed fluorescence characteristics that showed EQE's far exceeding the theoretical limit for a conventional fluorescent device.
    Type: Grant
    Filed: December 22, 2016
    Date of Patent: March 29, 2022
    Assignee: UNIVERSAL DISPLAY CORPORATION
    Inventors: Chuanjun Xia, Ken-Tsung Wong, Jason Brooks, James Esler, Raymond Kwong
  • Patent number: 11283030
    Abstract: A phosphorescent compound of formula (I): wherein: M is a transition metal; C1 is a carbon atom forming a metal-carbene bond with M; A is a saturated bridged bicyclic or saturated bridged tricyclic group consisting of one nitrogen atom and 6-12 carbon atoms; either: (i) X1 is a bridgehead carbon atom of the bridged bicyclic or bridged tricyclic group and X2 is NR1 wherein R1 is a substituent, or (ii) X1 is N and X2 is a bridgehead group of formula CR6 wherein R6 is H or a substituent; Ar1 is a C6-20 aromatic group or a 5-20 membered heteroaromatic group; L in each occurrence is independently a mono- or poly-dentate ligand other than a ligand of formula A-Ar1; x is at least 1; and y is 0 or a positive integer. The compound of formula (I) may be used as a blue light-emitting material in a white organic light-emitting device.
    Type: Grant
    Filed: July 13, 2018
    Date of Patent: March 22, 2022
    Assignee: Sumitomo Chemical Company Limited
    Inventors: James Lee, Martin Humphries, William Tarran, Nazrul Islam
  • Patent number: 11276826
    Abstract: An organic light emitting element which realizes a high efficiency and long-life light emission is provided. An organic compound represented by the general formula [1] described in Claim 1 is provided. In the general formula [1], R1 to R3 are each independently selected from a hydrogen atom, a substituted or unsubstituted aryl group, and a substituted or unsubstituted heterocyclic group. However, at least one of R1 to R3 represents the aryl group or the heterocyclic group. The aryl group represents a phenyl group, a naphthyl group, a phenanthrenyl group, a fluorenyl group, a triphenylenyl group, or a chrysenyl group. The heterocyclic group represents a dibenzofuranyl group or a dibenzothienyl group.
    Type: Grant
    Filed: May 30, 2012
    Date of Patent: March 15, 2022
    Assignee: Canon Kabushiki Kaisha
    Inventors: Takayuki Horiuchi, Jun Kamatani, Kenichi Ikari, Akihito Saitoh
  • Patent number: 11271171
    Abstract: A biscarbazole derivative having a specific group, which is represented by formula (1); and an organic electroluminescence device in which a plurality of organic thin-film layers including a light emitting layer are disposed between a cathode and an anode, and at least one of the organic thin-film layers include the biscarbazole derivative. The organic electroluminescence device exhibits high emission efficiency and has a long lifetime. In formula (1), each of A1 and A2 independently represents a substituted or unsubstituted aromatic hydrocarbon group having 6 to 30 ring carbon atoms; each of Y1 to Y16 independently represents C(R) or a nitrogen atom; each of R groups independently represents a hydrogen atom, etc.; and each of L1 and L2 independently represents a single bond, etc.; provided that at least one of A1, A2 and R represents a substituted or unsubstituted fluoranthenyl group, etc.
    Type: Grant
    Filed: May 8, 2015
    Date of Patent: March 8, 2022
    Assignee: IDEMITSU KOSAN CO., LTD.
    Inventors: Tetsuya Inoue, Mitsunori Ito, Kumiko Gorai, Kazuki Nishimura, Kiyoshi Ikeda
  • Patent number: 11264575
    Abstract: The present invention relates to compounds of the formula (1), (17) 18) or (20) and to the use thereof in electronic devices, and to electronic devices which contain these compounds. The invention furthermore relates to the preparation of the compounds of the formula (1), (17) 18) or (20) and to formulations contains one or more compounds of the formula (1), (17) 18) or (20).
    Type: Grant
    Filed: February 8, 2017
    Date of Patent: March 1, 2022
    Assignee: MERCK PATENT GMBH
    Inventors: Constanze Brocke, Christof Pflumm, Amir Hossain Parham, Rocco Fortte
  • Patent number: 11258032
    Abstract: An organic light emitting device and a display device, the organic light emitting device including a first electrode; a first organic layer on the first electrode; a first charge generating layer on the first organic layer; a second organic layer on the first charge generating layer, the second organic layer including a first light absorbing dye having an absorption wavelength of about 380 nm to 410 nm; and a second electrode on the second organic layer, wherein light is emitted from the device in the direction from the first electrode to the second electrode.
    Type: Grant
    Filed: June 26, 2017
    Date of Patent: February 22, 2022
    Assignee: Samsung Display Co., Ltd.
    Inventors: Jihwan Yoon, Sangwoo Pyo, Ilsoo Oh, Chang-Min Lee
  • Patent number: 11239432
    Abstract: A new series of iptycene derivatives as ligands for metal complexes that are useful as phosphorescent emitters for incorporation into OLEDs are disclosed. Provided are compositions that include a compound including a chemical group of Formula I wherein (1) the chemical group of Formula I is included as at least one of the substituents in a bidentate ligand forming the metal complex, or (2) when the substituents in a bidentate ligand forming the metal complex are attached to a six-membered ring, at least one of the such substituents join adjacent substituents and fuse into the six-membered ring attached thereto to form a chemical group having Formula I.
    Type: Grant
    Filed: December 8, 2016
    Date of Patent: February 1, 2022
    Assignee: UNIVERSAL DISPLAY CORPORATION
    Inventors: Mingjuan Su, Lichang Zeng, Chuanjun Xia
  • Patent number: 11239433
    Abstract: A compound comprising a ligand LA having the formula: is disclosed. Such a compound is suitable for use an emitter in organic light emitting devices.
    Type: Grant
    Filed: July 18, 2018
    Date of Patent: February 1, 2022
    Assignee: UNIVERSAL DISPLAY CORPORATION
    Inventors: Morgan C. MacInnis, Diana Drennan, Tongxiang Lu, Daniel W. Silverstein, Hsiao-Fan Chen, George Fitzgerald, Jason Brooks, Paul M. Lahti
  • Patent number: 11228002
    Abstract: A compound having a formula M(LA)(LB)(LC) is disclosed. Each of ligands LA and LB are mono-anionic bidentate ligands coordinated to metal M forming a 5-member cyclometalated ring. Ligands LA and LB are covalently linked by a first linking group, where there is at least one loop of M-LA-first linking group-LB-M having only carbocyclic or heterocyclic groups in the loop other than M. Wherein the first linking group includes multiple aliphatic or aromatic rings that are separated by at least one single bond, where each ring in the first linking group is part of the backbone of the loop. Devices, such as organic light emitting diodes, including the compounds are also disclosed.
    Type: Grant
    Filed: August 8, 2017
    Date of Patent: January 18, 2022
    Assignee: UNIVERSAL DISPLAY CORPORATION
    Inventors: Suman Layek, Chuanjun Xia
  • Patent number: 11228003
    Abstract: A compound having a formula M(LA)(LB)(LC) is described. In formula M(LA)(LB)(LC), ligands LA and LB are each a mono-anionic bidentate ligand coordinated to metal M forming a 5-member cyclometalated ring and ligands LA and LB are covalently linked by a linking group. There is at least one loop of M-LA-linking group-LB-M having only arylene or heteroarylene groups in the loop other than M. In the compound, each ring in the linking group is part of a backbone of the loop; and either (i) the loop comprises a specific DBX moiety and the linking group comprises two or more arylene or heteroarylene groups, or (ii) the linking group comprises three or more arylene or heteroarylene groups. Formulations, OLEDs, and consumer product containing the compound are also disclosed.
    Type: Grant
    Filed: March 13, 2017
    Date of Patent: January 18, 2022
    Assignee: UNIVERSAL DISPLAY CORPORATION
    Inventors: Suman Layek, Chuanjun Xia
  • Patent number: 11223019
    Abstract: Disclosed are the compound for an organic optoelectronic device, the compound being represented by Chemical Formula 1, a composition for an organic optoelectronic device including the compound for an organic optoelectronic device, an organic optoelectronic device, and a display device. In Chemical Formula 1, each substituent is the same as defined in the specification.
    Type: Grant
    Filed: February 26, 2019
    Date of Patent: January 11, 2022
    Assignee: Samsung SDI Co., Ltd.
    Inventors: Jinhyun Lui, Changwoo Kim, Dong Wan Ryu, Chang Ju Shin, Hyung Sun Kim, Seungjae Lee, Jihun Shin, Sung-Hyun Jung, Ho Kuk Jung
  • Patent number: 11217756
    Abstract: Disclosed are the compound for an organic optoelectronic device, the compound being represented by Chemical Formula 1, a composition for an organic optoelectronic device including the compound for an organic optoelectronic device, an organic optoelectronic device, and a display device. In Chemical Formula 1, each substituent is the same as defined in the specification.
    Type: Grant
    Filed: February 7, 2019
    Date of Patent: January 4, 2022
    Assignee: Samsung SDI Co., Ltd.
    Inventors: Jinhyun Lui, Changwoo Kim, Dong Wan Ryu, Chang Ju Shin, Hyung Sun Kim, Seungjae Lee, Jihun Shin, Sung-Hyun Jung, Ho Kuk Jung