Patents by Inventor Raymond C. Kwong
Raymond C. Kwong 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: 9359549Abstract: Compounds comprising a metal complex having novel ligands are provided. In particular, the compound is an iridium complex comprising novel aza DBX ligands. The compounds may be used in organic light emitting devices, particularly as emitting dopants, providing improved efficiency, low operating voltage, and long lifetime.Type: GrantFiled: April 6, 2010Date of Patent: June 7, 2016Assignee: Universal Display CorporationInventors: Dinesh Rayabarapu, Chuanjun Xia, Raymond C. Kwong, Bin Ma, Walter Yeager, Bert Alleyne
-
Publication number: 20150307535Abstract: Novel organic compounds containing a twisted aryl group are provided. In particular, the compounds provided contain a 2-phenylpyridine ligand having a twisted aryl group on the pyridine portion of the ligand. The compounds may be used in organic light emitting devices, particularly as emitting dopants. Devices comprising the compounds containing twisted aryl may demonstrate improved color, efficiency, stability and manufacturing. Additionally, methods are provided for making homoleptic Ir (III) compounds which may contain a twisted aryl.Type: ApplicationFiled: July 6, 2015Publication date: October 29, 2015Applicant: UNIVERSAL DISPLAY CORPORATIONInventors: Chuanjun XIA, Bert ALLEYNE, Raymond C. KWONG, James FIORDELISO, Michael S. WEAVER, Nasrin ANSARI, Alan DEANGELIS, Dinesh RAYABARAPU, Vadim ADAMOVICH
-
Patent number: 9076973Abstract: Novel organic compounds containing a twisted aryl group are provided. In particular, the compounds provided contain a 2-phenylpyridine ligand having a twisted aryl group on the pyridine portion of the ligand. The compounds may be used in organic light emitting devices, particularly as emitting dopants. Devices comprising the compounds containing twisted aryl may demonstrate improved color, efficiency, stability and manufacturing. Additionally, methods are provided for making homoleptic Ir (III) compounds which may contain a twisted aryl.Type: GrantFiled: August 16, 2013Date of Patent: July 7, 2015Assignee: Universal Display CorporationInventors: Chuanjun Xia, Bert Alleyne, Raymond C. Kwong, James Fiordeliso, Michael S. Weaver, Nasrin Ansari, Alan DeAngelis, Dinesh Rayabarapu, Vadim Adamovich
-
Patent number: 9073948Abstract: Novel organic compounds comprising azaborine are provided. In particular, the compounds comprise a dibenzo-1,4,-azaborine core having a phenyl substituent on the boron atom, and aryl or heteroaryl substituents at positions 2 and 6 of the phenyl substituent. These compounds may be advantageously used in organic light-emitting devices to provide improved efficiency and lifetime.Type: GrantFiled: April 22, 2011Date of Patent: July 7, 2015Assignee: Universal Display CorporationInventors: Gregg Kottas, Raymond C. Kwong
-
Patent number: 9005771Abstract: Compounds containing 2-azatriphenylene are provided. In particular, compounds containing a 2-azatriphenylene core having an additional aromatic group are provided. The compounds provided may be emissive or non-emissive materials. The compounds may be used in organic light emitting devices, particularly as host materials, hole blocking layer materials, or emitting dopants. Devices comprising 2-azatriphenylene containing compounds may demonstrate improved stability and efficiency.Type: GrantFiled: May 12, 2010Date of Patent: April 14, 2015Assignee: Universal Display CorporationInventors: Bin Ma, Raymond C. Kwong
-
Publication number: 20140203268Abstract: Novel compounds comprising heteroleptic iridium complexes are provided. The compounds have a particular combination of ligands which includes a single pyridyl dibenzo-substituted ligand. The compounds may be used in organic light emitting devices, particularly as emitting dopants, to provide devices having improved efficiency, lifetime, and manufacturing.Type: ApplicationFiled: March 26, 2014Publication date: July 24, 2014Applicant: Universal Display CorporationInventors: Chuanjun Xia, Raymond C. Kwong, Suman Layek
-
Publication number: 20140110698Abstract: Novel organic compounds comprising a substituted anthracene or acridine ligand are provided. In particular, the compound includes an anthracene ligand substituted at the 9 and 10 positions. The compound may be used in organic light emitting devices to provide devices having improved efficiency and lifetime. In particular, these compounds may be especially beneficial for use in blue-emitting OLEDs.Type: ApplicationFiled: December 23, 2013Publication date: April 24, 2014Applicant: Universal Display CorporationInventor: Raymond C. KWONG
-
Patent number: 8673458Abstract: Novel organic compounds comprising a substituted anthracene or acridine ligand are provided. In particular, the compound includes an anthracene ligand substituted at the 9 and 10 positions. The compound may be used in organic light emitting devices to provide devices having improved efficiency and lifetime. In particular, these compounds may be especially beneficial for use in blue-emitting OLEDs.Type: GrantFiled: October 11, 2010Date of Patent: March 18, 2014Assignee: Universal Display CorporationInventor: Raymond C. Kwong
-
Publication number: 20140021449Abstract: Novel organic compounds containing a twisted aryl group are provided. In particular, the compounds provided contain a 2-phenylpyridine ligand having a twisted aryl group on the pyridine portion of the ligand. The compounds may be used in organic light emitting devices, particularly as emitting dopants. Devices comprising the compounds containing twisted aryl may demonstrate improved color, efficiency, stability and manufacturing. Additionally, methods are provided for making homoleptic Ir (III) compounds which may contain a twisted aryl.Type: ApplicationFiled: August 16, 2013Publication date: January 23, 2014Applicant: Universal Display CorporationInventors: Chuanjun Xia, Bert Alleyne, Raymond C. Kwong, James Fiordeliso, Michael S. Weaver, Nasrin Ansari, Alan DeAngelis, Dinesh Rayabarapu, Vadim Adamovich
-
Patent number: 8519384Abstract: Novel organic compounds containing a twisted aryl group are provided. In particular, the compounds provided contain a 2-phenylpyridine ligand having a twisted aryl group on the pyridine portion of the ligand. The compounds may be used in organic light emitting devices, particularly as emitting dopants. Devices comprising the compounds containing twisted aryl may demonstrate improved color, efficiency, stability and manufacturing. Additionally, methods are provided for making homoleptic Ir (III) compounds which may contain a twisted aryl.Type: GrantFiled: September 3, 2009Date of Patent: August 27, 2013Assignee: Universal Display CorporationInventors: Chuanjun Xia, Bert Alleyne, Raymond C. Kwong, James Fiordeliso, Jason Brooks, Vadim Adamovich, Michael S. Weaver, Nasrin Ansari, Alan Deangelis, Dinesh Rayabarapu
-
Publication number: 20110304262Abstract: Novel organic compounds comprising a substituted anthracene or acridine ligand are provided. In particular, the compound includes an anthracene ligand substituted at the 9 and 10 positions. The compound may be used in organic light emitting devices to provide devices having improved efficiency and lifetime. In particular, these compounds may be especially beneficial for use in blue-emitting OLEDs.Type: ApplicationFiled: October 11, 2010Publication date: December 15, 2011Applicant: Universal Display CorporationInventor: Raymond C. Kwong
-
Publication number: 20110279019Abstract: Novel organic compounds comprising azaborine are provided. In particular, the compounds comprise a dibenzo-1,4,-azaborine core having a phenyl substituent on the boron atom, and aryl or heteroaryl substituents at positions 2 and 6 of the phenyl substituent. These compounds may be advantageously used in organic light-emitting devices to provide improved efficiency and lifetime.Type: ApplicationFiled: May 14, 2010Publication date: November 17, 2011Applicant: UNIVERSAL DISPLAY CORPORATIONInventors: Gregg Kottas, Raymond C. Kwong
-
Publication number: 20110278556Abstract: Novel organic compounds comprising azaborine are provided. In particular, the compounds comprise a dibenzo-1,4,-azaborine core having a phenyl substituent on the boron atom, and aryl or heteroaryl substituents at positions 2 and 6 of the phenyl substituent. These compounds may be advantageously used in organic light-emitting devices to provide improved efficiency and lifetime.Type: ApplicationFiled: April 22, 2011Publication date: November 17, 2011Applicant: UNIVERSAL DISPLAY CORPORATIONInventors: Gregg Kottas, Raymond C. Kwong
-
Publication number: 20110227049Abstract: Novel organic compounds containing a twisted aryl group are provided. In particular, the compounds provided contain a 2-phenylpyridine ligand having a twisted aryl group on the pyridine portion of the ligand. The compounds may be used in organic light emitting devices, particularly as emitting dopants. Devices comprising the compounds containing twisted aryl may demonstrate improved color, efficiency, stability and manufacturing. Additionally, methods are provided for making homoleptic Ir (III) compounds which may contain a twisted aryl.Type: ApplicationFiled: September 3, 2009Publication date: September 22, 2011Applicant: Universal Display CorporationInventors: Chuanjun Xia, Bert Alleyne, Raymond C. Kwong, James Fiordeliso, Jason Brooks, Vadim Adamovich, Michael S. Weaver
-
Publication number: 20100289406Abstract: Compounds containing 2-azatriphenylene are provided. In particular, compounds containing a 2-azatriphenylene core having an additional aromatic group are provided. The compounds provided may be emissive or non-emissive materials. The compounds may be used in organic light emitting devices, particularly as host materials, hole blocking layer materials, or emitting dopants. Devices comprising 2-azatriphenylene containing compounds may demonstrate improved stability and efficiency.Type: ApplicationFiled: May 12, 2010Publication date: November 18, 2010Applicant: Universal Display CorporationInventors: Bin MA, Raymond C. Kwong
-
Patent number: 6885025Abstract: The present invention relates to organic light emitting devices (OLEDs). The devices of the present invention are efficient white or multicolored phosphorescent OLEDs which have a high color stability over a wide range of luminances. The devices of the present invention comprise an emissive region having at least two emissive layers, with each emissive layer comprising a different host and emissive dopant, wherein at least one of the emissive dopants emits by phosphorescence.Type: GrantFiled: July 10, 2003Date of Patent: April 26, 2005Assignee: Universal Display CorporationInventors: Yeh-Jiun Tung, Michael Lu, Raymond C. Kwong
-
Patent number: 6835469Abstract: Phosphorescent organometallic complexes comprising phenylquinolinato ligands are provided. High efficiency organic light emitting devices comprising these compounds are also described.Type: GrantFiled: October 17, 2001Date of Patent: December 28, 2004Assignees: The University of Southern California, Universal Display CorporationInventors: Raymond C. Kwong, David B. Knowles, Mark E. Thompson
-
Patent number: 6803720Abstract: A highly stable and efficient organic light emitting device with a phosphorescent-doped mixed layer architecture comprises an anode layer; hole injecting layer over the anode layer; a mixed layer over the hole injecting layer, the mixed layer comprising an organic small molecule hole transporting material, an organic small molecule electron transporting material and a phosphorescent dopant; and a cathode layer over the mixed layer. An electron transporting layer may be present between the mixed layer and the cathode layer and a hole transporting layer may be present between the hole injecting layer and the mixed layer.Type: GrantFiled: December 15, 2000Date of Patent: October 12, 2004Assignee: Universal Display CorporationInventors: Raymond C. Kwong, Michael G. Hack, Theodore Zhou, Julia J. Brown, Tan D. Ngo
-
Publication number: 20030072964Abstract: Phosphorescent organometallic complexes comprising phenylquinolinato ligands are provided. High efficiency organic light emitting devices comprising these compounds are also described.Type: ApplicationFiled: October 17, 2001Publication date: April 17, 2003Inventors: Raymond C. Kwong, David B. Knowles, Mark E. Thompson
-
Patent number: 6413656Abstract: Organic light emitting devices which are comprised of a heterostructure for producing electroluminescence wherein the heterostructure is comprised of an emissive layer containing a phosphorescent dopant compound which has reduced symmetry for producing a saturated red emission with greater brightness. For example, the phosphorescent dopant compound may be comprised of a compound having the structure with formula (II): where the R-groups R1, R2, R3 and R4 are, independently of one another, alkyl, aryl or hydrogen, with the proviso that at least one of the R-groups is different from at least one other R-group.Type: GrantFiled: September 14, 1998Date of Patent: July 2, 2002Assignee: The University of Southern CaliforniaInventors: Mark E. Thompson, Raymond C. Kwong