Patents by Inventor Ting-Chih Wang

Ting-Chih Wang has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Publication number: 20190140193
    Abstract: An organic light emitting device (OLED) that includes an anode, a cathode, and an organic layer disposed between the anode and the cathode, the organic layer comprising a light-emitting dopant within a host material, the host material including an optically active host compound; wherein one enantiomer of the optically active host compound is present in an enantiomeric excess (ee) of at least 75%. A consumer product that includes the OLED.
    Type: Application
    Filed: October 29, 2018
    Publication date: May 9, 2019
    Inventors: Alexey Borisovich Dyatkin, Jui-Yi Tsai, Ting-Chih Wang, Jerald Feldman
  • Publication number: 20180342680
    Abstract: A composition formed of a mixture of two compounds having similar thermal evaporation properties that are pre-mixed into an evaporation source that can be used to co-evaporate the two compounds into an emission layer in OLEDs via vacuum thermal evaporation process is disclosed.
    Type: Application
    Filed: July 27, 2018
    Publication date: November 29, 2018
    Applicant: Universal Display Corporation
    Inventors: Vadim ADAMOVICH, Hitoshi YAMAMOTO, Ting-Chih WANG, Michael S. WEAVER, Chuanjun XIA, Bert ALLEYNE, Pierre-Luc T. BOUDREAULT, Alexey Borisovich DYATKIN, Scott JOSEPH
  • Publication number: 20180312514
    Abstract: A compound containing indolocarbazole having a formula: Formula I is disclosed.
    Type: Application
    Filed: March 22, 2018
    Publication date: November 1, 2018
    Applicant: Universal Display Corporation
    Inventors: Bin MA, Vadim ADAMOVICH, Alan DEANGELIS, Ting-Chih WANG
  • Patent number: 10074806
    Abstract: A composition formed of a mixture of two compounds having similar thermal evaporation properties that are pre-mixed into an evaporation source that can be used to co-evaporate the two compounds into an emission layer in OLEDs via vacuum thermal evaporation process is disclosed.
    Type: Grant
    Filed: April 15, 2014
    Date of Patent: September 11, 2018
    Assignee: Universal Display Corporation
    Inventors: Vadim Adamovich, Hitoshi Yamamoto, Ting-Chih Wang, Michael S. Weaver, Chuanjun Xia, Bert Alleyne, Pierre-Luc T. Boudreault, Alexey Borisovich Dyatkin, Scott Joseph
  • Publication number: 20180134718
    Abstract: The present invention discloses novel indolocarbazole containing material which can be used for OLEDs. These materials may serve as hosts, charge transporting and blocking materials and may improve OLED performance.
    Type: Application
    Filed: October 25, 2017
    Publication date: May 17, 2018
    Inventors: Bin Ma, Ting-Chih Wang, Vadim Adamovich, Chun Lin
  • Patent number: 9831437
    Abstract: A composition formed of a first mixture of a first compound and a second compound wherein the first compound has different chemical structure than the second compound; the first compound is capable of functioning as a hole transporting material in an organic light emitting device at room temperature; the first compound comprises at least one carbazole group; the first compound has a evaporation temperature T1 of 150 to 350° C.; the second compound has evaporation temperature T2 of 150 to 350° C.; the absolute value of T1?T2 is less than 20° C.; the first compound having a concentration C1 in said first mixture, and the first compound having a concentration C2 in a film formed by evaporating the first mixture in a vacuum deposition tool at a constant pressure between 1×10?6 Torr to 1×10?9 Torr, at a 2 ?/sec deposition rate on a surface positioned at a predefined distance away from the mixture being evaporated; and wherein the absolute value of (C1?C2)/C1 is less than 5%.
    Type: Grant
    Filed: April 15, 2014
    Date of Patent: November 28, 2017
    Assignee: Universal Display Corporation
    Inventors: Lichang Zeng, Vadim Adamovich, Ting-Chih Wang, Chuanjun Xia, Michael S. Weaver, Hitoshi Yamamoto, Bert Alleyne
  • Publication number: 20170054087
    Abstract: A mixture of carbazole and triazine derivatives that can be thermally evaporated from one crucible to fabricate thin films for electroluminescent devices is disclosed.
    Type: Application
    Filed: July 12, 2016
    Publication date: February 23, 2017
    Applicant: Universal Display Corporation
    Inventors: Lichang ZENG, Ting-Chih WANG, Alexey Borisovich DYATKIN, Chuanjun XIA
  • Publication number: 20170025618
    Abstract: Compounds containing indolocarbazole and terphenyl building blocks are disclosed in this application. These compounds are useful for application in organic electroluminescent devices.
    Type: Application
    Filed: October 3, 2016
    Publication date: January 26, 2017
    Inventors: Lichang Zheng, Ting-Chih Wang, Zhiqiang Ji, Walter Yeager, Alexey Borisovich Dyatkin, Bin Ma, Chuanjun Xia, Bert Alleyne
  • Publication number: 20160149139
    Abstract: A composition formed of a mixture of two compounds having similar thermal evaporation properties that are pre-mixed into an evaporation source that can be used to co-evaporate the two compounds into an emission layer in OLEDs via vacuum thermal evaporation process is disclosed. The first and second compounds can have an evaporation temperature T1 and T2, respectively, of 150 to 350° C., and the absolute value of T1?T2 can be less than 20° C. The first compound can have a concentration C1 in the mixture and a concentration C2 in a film formed by evaporating the mixture in a vacuum deposition tool at a constant pressure between 1×10?6 Torr to 1×10?9 Torr, at a 2 ?/sec deposition rate on a surface positioned at a predefined distance away from the mixture being evaporated, where the absolute value of (C1?C2)/C1 is less than 5%.
    Type: Application
    Filed: November 25, 2014
    Publication date: May 26, 2016
    Applicant: Universal Display Corporation
    Inventors: Chuanjun Xia, Chun Lin, Ting-Chih Wang
  • Publication number: 20160104847
    Abstract: This invention discloses a novel multicomponent system or a single compound that is capable of performing triplet-triplet annihilation up conversion process. (TTA-UC) A solution or solid film that comprises this TTA-UC system or compound is provided. This system or compound can be used in an optical or optoelectronic device.
    Type: Application
    Filed: August 28, 2015
    Publication date: April 14, 2016
    Inventors: Chuanjun Xia, Ting-Chih Wang, Chun Lin
  • Publication number: 20160099422
    Abstract: A composition formed of a mixture of a first compound and a second compound wherein the first compound has a different chemical structure than the second compound. The first compound and the second compound are both organic compounds. At least one of the first compound and the second compound contains at least one less abundant stable isotope atom. The first compound has an evaporation temperature T1 and the second compound has an evaporation temperature T2 where both T1 and T2 are between 100 to 400° C. and the absolute value of T1?T2 is less than 20° C. The first compound has a concentration C1 in said mixture and a concentration C2 in a film formed by evaporating said mixture in a high vacuum deposition tool with a chamber base pressure between 1×10?6 Torr to 1×10?9 Torr, at a 2 ?/sec deposition rate on a surface positioned at a predefined distance away from the mixture being evaporated; and wherein absolute value of (C1?C2)/C1 is less than 5%.
    Type: Application
    Filed: September 24, 2015
    Publication date: April 7, 2016
    Applicant: UNIVERSAL DISPLAY CORPORATION
    Inventors: Lichang ZENG, Chuanjun XIA, Scott JOSEPH, Walter YEAGER, Mingjuan SU, Ting-Chih WANG
  • Publication number: 20160093808
    Abstract: A mixture containing three different compounds that is useful as a stable co-evaporation source material for a vacuum deposition tool is disclosed. The mixture comprises a first compound; a second compound; and a third compound that are all organic compounds and have different chemical structures from each other and each has an evaporation temperature T1, T2, and T3, respectively, in the range of 150 to 350° C. T1, T2, and T3 differ from each other by less than 20° C. The first compound has a concentration C1 in the first mixture and a concentration C2 in a film deposited by evaporating the first mixture in a high vacuum deposition tool under a predefined deposition condition where |(C1-C2)/C1| is less than 5%.
    Type: Application
    Filed: September 24, 2015
    Publication date: March 31, 2016
    Applicant: UNIVERSAL DISPLAY CORPORATION
    Inventors: Vadim ADAMOVICH, Lichang ZENG, Ting-Chih WANG, Chuanjun XIA, Michael S. WEAVER
  • Publication number: 20160028021
    Abstract: A composition comprising a first compound and a second compound is described. The composition can be a mixture of a first compound having a structure according to Formula I, and a second compound having a structure according to Formula II, The composition can also be a mixture of a first compound having a structure according to Formula III, and a second compound having a structure according to Formula IV, Devices, such as OLEDs, that include the compositions for Formulas I & II or Formulas III & IV, as well as, methods of making the same are also described.
    Type: Application
    Filed: June 9, 2015
    Publication date: January 28, 2016
    Applicant: Universal Display Corporation
    Inventors: Lichang ZENG, Suman Layek, Pierre-Luc T. Boudreault, Zeinab Elshenawy, Gregg Kottas, Alexey Borisovich Dyatkin, Scott Joseph, Vadim Adamovich, Chuanjun Xia, Ting-Chih Wang, Walter Yeager
  • Publication number: 20150171349
    Abstract: The present invention relates to novel iridium complexes that can be used in organic light emitting devices (OLEDs). The present invention relates to the iridium complexes, devices comprising the iridium complexes, and formulations comprising the iridium complexes.
    Type: Application
    Filed: August 4, 2014
    Publication date: June 18, 2015
    Inventors: Bin MA, Edward Barron, Alan Deangelis, Walter Yeager, Zeinab Elshenawy, Harvey Wendt, Ting-Chih Wang, Kwang-Ohk Cheon, Chuanjun Xia
  • Publication number: 20150053939
    Abstract: A composition formed of a mixture of two compounds having similar thermal evaporation properties that are pre-mixed into an evaporation source that can be used to co-evaporate the two compounds into an emission layer in OLEDs via vacuum thermal evaporation process is disclosed.
    Type: Application
    Filed: April 15, 2014
    Publication date: February 26, 2015
    Applicant: Universal Display Corporation
    Inventors: Vadim ADAMOVICH, Hitoshi YAMAMOTO, Ting-Chih WANG, Michael S. WEAVER, Chuanjun XIA, Bert ALLEYNE, Pierre-Luc T. BOUDREAULT, Alexey Borisovich DYATKIN, Scott JOSEPH
  • Publication number: 20150053938
    Abstract: A composition formed of a first mixture of a first compound and a second compound wherein the first compound has different chemical structure than the second compound; the first compound is capable of functioning as a hole transporting material in an organic light emitting device at room temperature; the first compound comprises at least one carbazole group; the first compound has a evaporation temperature T1 of 150 to 350° C.; the second compound has evaporation temperature T2 of 150 to 350° C.; the absolute value of T1?T2 is less than 20° C.; the first compound having a concentration C1 in said first mixture, and the first compound having a concentration C2 in a film formed by evaporating the first mixture in a vacuum deposition tool at a constant pressure between 1×10?6 Torr to 1×10?9 Torr, at a 2 ?/sec deposition rate on a surface positioned at a predefined distance away from the mixture being evaporated; and wherein the absolute value of (C1?C2)/C1 is less than 5%.
    Type: Application
    Filed: April 15, 2014
    Publication date: February 26, 2015
    Applicant: Universal Display Corporation
    Inventors: Lichang ZENG, Vadim ADAMOVICH, Ting-Chih WANG, Chuanjun XIA, Michael S. WEAVER, Hitoshi YAMAMOTO, Bert ALLEYNE
  • Publication number: 20130153863
    Abstract: An organic light emitting device is provided. The organic light emitting device includes a first electrode layer, a second electrode layer and a light emitting material layer. The second electrode layer is disposed opposite to the first electrode layer. The light emitting material layer is disposed between the first electrode layer and the second electrode layer, and includes an organic light emitting material and an electron transport material, wherein the electron transport material includes a compound represented by a formula (1) below: in which a group A represents an aromatic ring, a is 1, and a group B represents a nitrogen containing five-membered heterocyclic group and derivatives thereof, and has at least one nitrogen atom connected to a meta-position of the group A.
    Type: Application
    Filed: April 13, 2012
    Publication date: June 20, 2013
    Applicant: AU OPTRONICS CORPORATION
    Inventors: Ken-Tsung Wong, Hsiao-Fan Chen, Ting-Chih Wang, Shih-Wei Lin, Wen-Yi Hung, Qu-Yuan Liu, Meng-Huan Ho, Ting-Yi Cho, Chieh-Wei Chen, Chung-Chun Lee