Patents by Inventor Jui-Yi Tsai

Jui-Yi Tsai 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).

  • Patent number: 8586203
    Abstract: Novel organic compounds comprising ligands containing a boron-nitrogen heterocycle are provided. In particular, the compound is a metal complex comprising a ligand containing an azaborine. The compounds may be used in organic light emitting devices to provide devices having improved photophysical and electronic properties.
    Type: Grant
    Filed: May 17, 2010
    Date of Patent: November 19, 2013
    Assignee: Universal Display Corporation
    Inventors: Raymond Kwong, Bin Ma, Jui-Yi Tsai, Scott Beers, Ed Barron, Gregg Kottas, Alexey Borisovich Dyatkin
  • Patent number: 8563737
    Abstract: Methods of making bis-tridentate carbene complexes of ruthenium and osmium are provided. The use of DMSO solvates of ruthenium(II) and osmium(II) halide salts provides good yields of the corresponding complexes. These materials may be used in OLEDs to provide devices having improved performance.
    Type: Grant
    Filed: February 23, 2011
    Date of Patent: October 22, 2013
    Assignee: Universal Display Corporation
    Inventor: Jui-Yi Tsai
  • Patent number: 8426041
    Abstract: An organic light emitting device having an anode, a cathode and an organic layer disposed between the anode and the cathode is provided.
    Type: Grant
    Filed: January 11, 2012
    Date of Patent: April 23, 2013
    Assignees: Universal Display Corporation, The University of Southern California
    Inventors: Peter Djurovich, Jui-Yi Tsai, Chun Lin, Jason Brooks, Bert Alleyne, Mark E. Thompson, Peter B. MacKenzie, Bin Ma
  • Patent number: 8383249
    Abstract: The present invention relates to organic light emitting devices (OLEDs), and more specifically to phosphorescent organic materials used in such devices. More specifically, the present invention relates to emissive phosphorescent material which comprise at least one tridentate ligand bound to a metal center, wherein at least one of the bonds to the tridentate ligand is a carbon-metal bond.
    Type: Grant
    Filed: October 4, 2007
    Date of Patent: February 26, 2013
    Assignee: Universal Display Corporation
    Inventors: Robert W. Walters, Jui-Yi Tsai, Peter Borden Mackenzie, Scott Beers
  • Publication number: 20120299468
    Abstract: Novel heteroleptic iridium complexes are described. These iridium compounds contain alkyl substituted phenylpyridine ligands, which provide these compounds with beneficial properties when the iridium complexes are incorporated into OLED devices.
    Type: Application
    Filed: May 24, 2012
    Publication date: November 29, 2012
    Applicant: Universal Display Corporation
    Inventors: Jui-Yi Tsai, Chuanjun Xia, Gregg Kottas, Zeinab Elshenaway, Nasrin Ansari, Bert Alleyne
  • Publication number: 20120215000
    Abstract: Methods of making bis-tridentate carbene complexes of ruthenium and osmium are provided. The use of DMSO solvates of ruthenium(II) and osmium(II) halide salts provides good yields of the corresponding complexes. These materials may be used in OLEDs to provide devices having improved performance.
    Type: Application
    Filed: February 23, 2011
    Publication date: August 23, 2012
    Inventor: Jui-Yi Tsai
  • Publication number: 20120212126
    Abstract: Compounds are provided that comprise a heterocyclic carbene ligand. In particular, an oxazole or a thioazole carbene are used in place of the traditional imidazole carbene. These compounds may be used in OLEDs to provide devices having improved properties, such as stability and color-tuning. Additionally, a novel methodology to synthesize heterocyclic carbene metal complexes is provided.
    Type: Application
    Filed: February 23, 2011
    Publication date: August 23, 2012
    Applicant: Universal Display Corporation
    Inventors: Jui-Yi Tsai, Zeinab Elshenawy
  • Publication number: 20120212125
    Abstract: Neutral ruthenium(II) complexes having at least one bidentate carbene coordinated to the ruthenium through a ruthenium-carbene bond are provided. Also provided are organic light emitting devices comprising the ruthenium(II) carbene complexes.
    Type: Application
    Filed: February 23, 2011
    Publication date: August 23, 2012
    Inventor: Jui-Yi Tsai
  • Publication number: 20120104378
    Abstract: An organic light emitting device having an anode, a cathode and an organic layer disposed between the anode and the cathode is provided. In one aspect, the organic layer comprises a compound having at least one zwitterionic carbon donor ligand.
    Type: Application
    Filed: January 11, 2012
    Publication date: May 3, 2012
    Inventors: Peter Djurovich, Jui-Yi Tsai, Chun Lin, Jason Brooks, Bert Alleyne, Mark E. Thompson, Peter B. MacKenzie, Bein Ma
  • Patent number: 8142909
    Abstract: Compounds comprising phosphorescent metal complexes comprising cyclometallated imidazo[1,2-f]phenanthridine and diimidazo[1,2-a:1?,2?-c]quinazoline ligands, or isoelectronic or benzannulated analogs thereof, are described. Organic light emitting devices comprising these compounds are also described.
    Type: Grant
    Filed: March 7, 2008
    Date of Patent: March 27, 2012
    Assignee: Universal Display Corporation
    Inventors: Scott Beers, Peter B. Mackenzie, Jui-Yi Tsai, Chun Lin, Walter Yeager, Edward Barron, David B. Knowles, Robert W. Walters, Cory S. Brown
  • Patent number: 8114533
    Abstract: An organic light emitting device having an anode, a cathode and an organic layer disposed between the anode and the cathode is provided.
    Type: Grant
    Filed: August 31, 2009
    Date of Patent: February 14, 2012
    Assignees: Universal Display Corporation, The University of Southern California
    Inventors: Peter Djurovich, Jui-Yi Tsai, Chun Lin, Jason Brooks, Bert Alleyne, Mark E. Thompson, Peter B. MacKenzie, Bin Ma
  • Patent number: 8067100
    Abstract: The present invention relates to organic light emitting devices (OLEDs), and more specifically to phosphorescent organic materials used in such devices. More specifically, the present invention relates to emissive phosphorescent material which comprise at least one tridentate ligand bound to a metal center, wherein at least one of the bonds to the tridentate ligand is a carbon-metal bond.
    Type: Grant
    Filed: September 29, 2008
    Date of Patent: November 29, 2011
    Assignee: Universal Display Corporation
    Inventors: Robert W. Walters, Jui-Yi Tsai, Peter Borden MacKenzie, Scott Beers
  • Patent number: 7956192
    Abstract: A process for preparing a compound having the formula L2IrL? is provided. The process comprises: combining and L? in the presence of an organic solvent to form a mixture, wherein L is a suitable carbene ligand precursor coordinated to Ir; and L? is a bidentate ligand or two monodentate ligands, and L is different from L?; Also provided is a process for preparing a compound having the formula The process comprises: (a) combining L, a carbene ligand precursor, with an organic solvent; (b) maintaining the mixture of step (a) at a temperature from about 175° C. to less than the boiling point of the organic solvent in (a). A process for preparing a compound with the formula L3Ir is also provided. This process comprises combining and L in the presence of alcohol and a base to form a mixture, wherein L is a bidentate ligand that may form a five-membered chelate ring.
    Type: Grant
    Filed: August 18, 2009
    Date of Patent: June 7, 2011
    Assignees: The University of Southern California, Universal Display Corporation
    Inventors: Jui-Yi Tsai, Michael S. Barone, Arnold Tamayo, Mark E. Thompson
  • Publication number: 20110073849
    Abstract: Compounds comprising phosphorescent metal complexes comprising cyclometallated imidazo[1,2-f]phenanthridine and diimidazo[1,2-a:1?,2?-c]quinazoline ligands, or isoelectronic or benzannulated analogs thereof, are described. Organic light emitting diode devices comprising these compounds are also described.
    Type: Application
    Filed: October 20, 2010
    Publication date: March 31, 2011
    Inventors: David B. KNOWLES, Chun Lin, Peter Borden MacKenzie, Jui-Yi Tsai, Robert W. Walters, Scott A. Beers, Cory S. Brown, Walter H. Yeager
  • Patent number: 7915415
    Abstract: Compounds comprising phosphorescent metal complexes comprising cyclometallated imidazo[1,2-f]phenanthridine and diimidazo[1,2-a:1?,2?-c]quinazoline ligands, or isoelectronic or benzannulated analogs thereof, are described. Organic light emitting diode devices comprising these compounds are also described.
    Type: Grant
    Filed: February 9, 2007
    Date of Patent: March 29, 2011
    Assignee: Universal Display Corporation
    Inventors: David B. Knowles, Chun Lin, Peter Borden MacKenzie, Jui-Yi Tsai, Robert W. Walters, Scott A. Beers, Cory S. Brown, Walter H. Yeager
  • Publication number: 20110057559
    Abstract: Devices containing a particular combination of organic compounds are provided. In particular, the devices contain twisted aryl compounds having extended conjugation (i.e., the twisted aryl is substituted with an additional aryl group) in combination with dibenzothiophene or dibenzofuran containing host materials. The organic light emitting devices may provide improved stability color, lifetime and manufacturing. Compounds containing a twisted aryl having extended conjugation are also provided.
    Type: Application
    Filed: August 26, 2010
    Publication date: March 10, 2011
    Applicant: Universal Display Corporation
    Inventors: Chuanjun Xia, Walter Yeager, Bin Ma, Scott Beers, Jui-Yi Tsai, James Fiordeliso, Edward Barron, Chun Lin
  • Patent number: 7902374
    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: November 3, 2006
    Date of Patent: March 8, 2011
    Assignee: Universal Display Corporation
    Inventors: Chun Lin, Peter B. Mackenzie, Robert W. Walters, Jui-Yi Tsai, Cory S. Brown, Jun Deng
  • Publication number: 20100295032
    Abstract: Novel organic compounds comprising ligands containing a boron-nitrogen heterocycle are provided. In particular, the compound is a metal complex comprising a ligand containing an azaborine. The compounds may be used in organic light emitting devices to provide devices having improved photophysical and electronic properties.
    Type: Application
    Filed: May 17, 2010
    Publication date: November 25, 2010
    Applicant: Universal Display Corporation
    Inventors: Raymond Kwong, Bin Ma, Jui-Yi Tsai, Scott Beers, Ed Barron, Gregg Kottas, Alexey Borisovich Dyatkin
  • Publication number: 20100148663
    Abstract: Imidazo[1,2-f]phenanthridine compounds are provided. The compounds have a twisted aryl moiety further substituted by alkyl having four or more atoms. The compounds may be used in organic light emitting devices, particularly as emissive dopants, providing devices with improved efficiency, stability, and manufacturing. In particular, the compounds provided herein may be used in blue devices having high efficiency.
    Type: Application
    Filed: December 7, 2009
    Publication date: June 17, 2010
    Applicant: Universal Display Corporation
    Inventors: Jui-Yi TSAI, Walter Yeager, Jason Brooks, Scott Beers, Gregory S. Kottas, Edward Barron, Raymond Kwong
  • Publication number: 20100007273
    Abstract: An organic light emitting device having an anode, a cathode and an organic layer disposed between the anode and the cathode is provided. In one aspect, the organic layer comprises a compound having at least one zwitterionic carbon donor ligand.
    Type: Application
    Filed: August 31, 2009
    Publication date: January 14, 2010
    Inventors: Peter Djurovich, Jui-Yi Tsai, Chun Lin, Jason Brooks, Bert Alleyne, Mark E. Thompson, Peter B. MacKenzie, Bin Ma