Patents by Inventor Jieqian Zhang
Jieqian Zhang 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).
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Publication number: 20230124713Abstract: Disclosed is an actinic radiation curable (meth)acrylic composition for use in hardcoats for optical displays containing one or more multifunctional (meth)acrylate monomers, one or more Si-containing (meth)acrylate monomers, one or more UV radical initiators, one or more monomers to improve surface cure, nanoparticles, and one or more organic solvents. Coated hardcoat articles made from this composition exhibit improved properties for use in display applications.Type: ApplicationFiled: October 18, 2021Publication date: April 20, 2023Inventors: Michael MULZER, Kenneth HERNANDEZ, Andrew STELLA, Lujia BU, Jieqian ZHANG, Deyan WANG, Yinjie CEN
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Patent number: 11332559Abstract: Compositions for forming polymer layers useful in the manufacture of display devices, particularly flexible display, and methods of forming such devices are provided.Type: GrantFiled: June 23, 2020Date of Patent: May 17, 2022Assignee: ROHM AND HAAS ELECTRONIC MATERIALS LLCInventors: Yixuan Song, Lujia Bu, Neelima Chandrayan, Deyan Wang, Anton Li, Jieqian Zhang
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Patent number: 11121190Abstract: Provided is an optoelectronic device comprising an optoelectronic element and circuitry connected to the optoelectronic element, wherein the optoelectronic element comprises plural quantum dots or plural nanorods, and wherein the circuitry is configured to be capable of switching the optoelectronic element between a configuration in which the circuitry provides an effective forward bias voltage that causes the optoelectronic element to emit light and a configuration in which the circuitry provides an effective reverse bias voltage that causes the optoelectronic element to be capable of generating a photocurrent when light to which the optoelectronic element is sensitive strikes the optoelectronic element.Type: GrantFiled: March 23, 2017Date of Patent: September 14, 2021Assignees: Dow Global Technologies LLC, Rohm and Haas Company, The Board of Trustees of the University of Illinois, Rohm and Haas Electronic Materials LLCInventors: Peter Trefonas, III, Kishori Deshpande, Trevor Ewers, Edward Greer, Jaebum Joo, Bong Hoon Kim, Nuri Oh, Jong Keun Park, Moonsub Shim, Jieqian Zhang
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Patent number: 11084914Abstract: Display substrates having a hard coat layer on a colorless polyimide substrate are formed from hard coat compositions having certain organic solvents that do not substantially impact the optical and mechanical properties of the colorless polyimide substrate.Type: GrantFiled: December 4, 2018Date of Patent: August 10, 2021Assignee: Rohm and Haas Electronic Materials LLCInventors: Michael Mulzer, Jieqian Zhang, Joseph Kao
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Patent number: 10949026Abstract: Provided is a method of creating an image on an array of optoelectronic elements comprising (a) providing a device comprising an array of optoelectronic elements and circuitry connected to each optoelectronic element, wherein the optoelectronic element comprises plural quantum dots or plural nanorods, and wherein the circuitry is configured to be capable of switching each optoelectronic element independently between an effective forward bias configuration and a reverse-bias configuration, (b) imposing an effective reverse bias on two or more of the optoelectronic elements, (c) providing circuitry that will detect the onset of photocurrent from an individual effective reverse biased optoelectronic element and that will respond to the photocurrent by changing the bias on the individual optoelectronic element to an effective forward bias.Type: GrantFiled: March 23, 2017Date of Patent: March 16, 2021Assignees: Dow Global Technologies LLC, Rohm and Haas Company, The Board of Trustees of the University of Illinois, Rohm and Haas Electronic Materials LLCInventors: Peter Trefonas, III, Seongyong Cho, Kishori Deshpande, Trevor Ewers, Jaebum Joo, Edward Greer, Bong Hoon Kim, Nuri Oh, Jong Keun Park, Moonsub Shim, Jieqian Zhang
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Publication number: 20210017308Abstract: Compositions for forming polymer layers useful in the manufacture of display devices, particularly flexible display, and methods of forming such devices are provided.Type: ApplicationFiled: June 23, 2020Publication date: January 21, 2021Inventors: Yixuan Song, Lujia Bu, Neelima Chandrayan, Deyan Wang, Anton Li, Jieqian Zhang
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Publication number: 20210005668Abstract: Provided is a device comprising a light-emitting optoelectronic element and a photocurrent-generating optoelectronic element, wherein the device further comprises an opaque element that prevents light emitted by the light-emitting optoelectronic element from reaching the photocurrent-generating optoelectronic element via a pathway within the device.Type: ApplicationFiled: March 23, 2017Publication date: January 7, 2021Inventors: Peter Trefonas, III, Seongyong Cho, Kishori Deshpande, Trevor Ewers, Edward Greer, Jaebum Joo, Nuri Oh, Jong Keun Park, Moonsub Shim, Jieqian Zhang
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Publication number: 20190185633Abstract: Display substrates having a hard coat layer on a colorless polyimide substrate are formed from hard coat compositions having certain organic solvents that do not substantially impact the optical and mechanical properties of the colorless polyimide substrate.Type: ApplicationFiled: December 4, 2018Publication date: June 20, 2019Inventors: Michael MULZER, Jieqian Zhang, Joseph Kao
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Publication number: 20190172878Abstract: Provided is an optoelectronic device comprising an optoelectronic element and circuitry connected to the optoelectronic element, wherein the optoelectronic element comprises plural quantum dots or plural nanorods, and wherein the circuitry is configured to be capable of switching the optoelectronic element between a configuration in which the circuitry provides an effective forward bias voltage that causes the optoelectronic element to emit light and a configuration in which the circuitry provides an effective reverse bias voltage that causes the optoelectronic element to be capable of generating a photocurrent when light to which the optoelectronic element is sensitive strikes the optoelectronic element.Type: ApplicationFiled: March 23, 2017Publication date: June 6, 2019Inventors: Peter Trefonas, III, Kishori Deshpande, Trevor Ewers, Edward Greer, Jaebum Joo, Bong Hoon Kim, Nuri Oh, Jong Keun Park, Moonsub Shim, Jieqian Zhang
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Patent number: 10294359Abstract: Disclosed herein is a composition comprising a block copolymer; where the block copolymer comprises a first polymer and a second polymer; where the first polymer and the second polymer of the block copolymer are different from each other and the block copolymer forms a phase separated structure; an additive polymer comprising a polymer wherein the surface tension of the polymer with the first polymer and the surface tension of the polymer with the second polymer are both lower than the surface tension between the first polymer and second polymer; where the additive polymer comprises a reactive functional moiety that forms a bond or a complex or a coordinate with the substrate upon being disposed on the substrate; where the reactive functional moiety is unreacted when it is a part of the composition; and a solvent.Type: GrantFiled: November 18, 2015Date of Patent: May 21, 2019Assignees: ROHM AND HAAS ELECTRONIC MATERIALS LLC, DOW GLOBAL TECHNOLOGIES LLCInventors: Phillip D. Hustad, Jieqian Zhang, Peter Trefonas, III
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Patent number: 10287455Abstract: Disclosed herein is an article comprising a substrate; upon which is disposed a composition comprising: a first block copolymer that comprises a first block and a second block; where the first block has a higher surface energy than the second block; a second block copolymer that comprises a first block and a second block; where the first block of the first block copolymer is chemically the same as or similar to the first block of the second block copolymer and the second block of the first block copolymer is chemically the same as or similar to the second block of the second block copolymer; where the first and the second block copolymer have a chi parameter greater than 0.04 at a temperature of 200° C.Type: GrantFiled: April 24, 2017Date of Patent: May 14, 2019Assignees: DOW GLOBAL TECHNOLOGIES LLC, ROHM AND HAAS ELECTRONIC MATERIALS LLCInventors: Jieqian Zhang, Phillip D. Hustad, Peter Trefonas, III, Mingqi Li, Valeriy V. Ginzburg, Jeffrey D. Weinhold
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Publication number: 20190114032Abstract: Provided is a method of creating an image on an array of optoelectronic elements comprising (a) providing a device comprising an array of optoelectronic elements and circuitry connected to each optoelectronic element, wherein the optoelectronic element comprises plural quantum dots or plural nanorods, and wherein the circuitry is configured to be capable of switching each optoelectronic element independently between an effective forward bias configuration and a reverse-bias configuration, (b) imposing an effective reverse bias on two or more of the optoelectronic elements, (c) providing circuitry that will detect the onset of photocurrent from an individual effective reverse biased optoelectronic element and that will respond to the photocurrent by changing the bias on the individual optoelectronic element to an effective forward bias.Type: ApplicationFiled: March 23, 2017Publication date: April 18, 2019Inventors: Peter Trefonas, III, Seongyong Cho, Kishori Deshpande, Trevor Ewers, Jaebum Joo, Edward Greer, Bong Hoon Kim, Nuri Oh, Jong Keun Park, Moonsub Shim, Jieqian Zhang
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Publication number: 20190109290Abstract: Provided is a method of detecting the presence of an object in proximity to an optoelectronic device comprising (a) providing an optoelectronic device comprising a light-emitting optoelectronic element and a photocurrent-generating optoelectronic element, (b) imposing an effective forward bias voltage on the light-emitting optoelectronic element and an effective reverse bias voltage on the photocurrent-generating optoelectronic element, (c) bringing an object capable of scattering or reflecting light or a combination thereof to a distance of 0.1 to 5 mm from a point on the surface of the optoelectronic device from which light emerges, causing light that is emitted by the light-emitting optoelectronic element to be reflected or scattered so that the light falls upon the photocurrent-generating optoelectronic element.Type: ApplicationFiled: March 23, 2017Publication date: April 11, 2019Applicants: Dow Global Technologies LLC, Rohm And Haas Company, The Board of Trustees of the University of Illinois, Rohm and Haas Electronic MaterialsInventors: Peter Trefonas, III, Kishori Deshpande, Trevor Ewers, Edward Greer, Jaebum Joo, Bong Hoon Kim, Nuri Oh, John Rogers, Moonsub Shim, Jieqian Zhang
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Publication number: 20180273844Abstract: Methods and systems for producing nanostructure materials are provided. In one aspect, a process is provided that comprises a) heating one or more nanostructure material reagents by 100° C. or more within 5 seconds or less; and b) reacting the nanostructure material reagents to form a nanostructure material reaction product. In a further aspect, a process is provided comprising a) flowing a fluid composition comprising one or more nanostructure material reagents through a reactor system; and b) reacting the nanostructure material reagents to form a nanostructure material reaction product comprising Cd, In or Zn. In a yet further aspect, methods are provided that include flowing one or more nanostructure material reagents through a first reaction unit; cooling the one or more nanostructure material reagents or reaction product thereof that have flowed through the first reaction unit; and flowing the cooled one or more nanostructure material reagents or reaction product thereof through a second reaction unit.Type: ApplicationFiled: February 13, 2016Publication date: September 27, 2018Inventors: Kishori Deshpande, Peter Trefonas, III, Jieqian Zhang, Vivek Kumar, Nuri Oh, Andy You Zhai, Paul Kenis, Moonsub Shim
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Publication number: 20180162967Abstract: Polyarylene oligomer compositions capable of curing at lower temperatures than conventional polyarylene oligomers are useful in forming dielectric material layers in electronics applications.Type: ApplicationFiled: October 18, 2017Publication date: June 14, 2018Inventors: Christopher Gilmore, Aaron A. Rachford, Jieqian Zhang, Ping Ding, Dong Eun Lee, Anton Li, Young-Seok Kim
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Publication number: 20180162992Abstract: Polyarylene oligomer compositions having improved adhesion to surfaces as compared to conventional polyarylene oligomers are useful in forming dielectric material layers in electronics applications.Type: ApplicationFiled: October 13, 2017Publication date: June 14, 2018Inventors: Christopher Gilmore, Aaron A. Rachford, Elizabeth K. Michael-Sapia, Dong Eun Lee, Jieqian Zhang, Ping Ding, Young-Seok Kim
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Patent number: 9927556Abstract: In one aspect, structures are provided that comprise (a) a one-dimensional periodic plurality of layers, wherein at least two of the layers have a refractive index differential sufficient to provide effective contrast; and (b) one or more light-emitting nanostructure materials effectively positioned with respect to the refractive index differential interface, wherein the structure provides a polarized output emission.Type: GrantFiled: March 10, 2016Date of Patent: March 27, 2018Assignees: The Board of Trustees of the University of Illinois, Rohm and Haas Electronic Materials LLC, Dow Global Technologies LLCInventors: Brian Cunningham, Gloria G. See, Peter Trefonas, III, Jieqian Zhang, Jong Keun Park, Kevin Howard, Kishori Deshpande, Trevor Ewers
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Patent number: 9910353Abstract: Disclosed herein is a multi-layered article, comprising a substrate; and two or more layers disposed over the substrate, wherein each said layer comprises a block copolymer comprising a first block and a second block, wherein the first block comprises a repeat unit containing a hydrogen acceptor or a hydrogen donor, and the second block comprises a repeat unit containing a hydrogen donor when the repeat unit of the first block contains a hydrogen acceptor, or a hydrogen acceptor when the repeat unit of the first block contains a hydrogen donor; wherein the first block of an innermost of said two or more layers is bonded to the substrate, and the first block of each layer disposed over the innermost layer is bonded to the second block of a respective underlying layer; and wherein the hydrogen donor or hydrogen acceptor of the second block of an outermost said two or more layers is blocked.Type: GrantFiled: July 29, 2016Date of Patent: March 6, 2018Assignees: DOW GLOBAL TECHNOLOGIES LLC, ROHM AND HAAS ELECTRONIC MATERIALS LLCInventors: Phillip D. Hustad, Jong Park, Jieqian Zhang, Vipul Jain, Jin Wuk Sung
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Patent number: 9910355Abstract: Disclosed herein is a method, comprising disposing a first composition on a substrate, wherein the first composition comprises a first block copolymer comprising a first block and a second block, wherein the first block comprises a repeat unit containing a hydrogen acceptor or a hydrogen donor, and the second block comprises a repeat unit containing a blocked donor when the repeat unit of the first block is a hydrogen acceptor, or a blocked acceptor when the repeat unit of the first block is a hydrogen donor; and a solvent; and deprotecting the blocked acceptor or the blocked donor with a deprotecting agent.Type: GrantFiled: July 29, 2016Date of Patent: March 6, 2018Assignees: ROHM AND HAAS ELECTRONIC MATERIALS LLC, DOW GLOBAL TECHNOLOGIES LLCInventors: Phillip D. Hustad, Jong Park, Jieqian Zhang, Vipul Jain, Jin Wuk Sung
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Publication number: 20180031972Abstract: Disclosed herein is a method, comprising disposing a first composition on a substrate, wherein the first composition comprises a first block copolymer comprising a first block and a second block, wherein the first block comprises a repeat unit containing a hydrogen acceptor or a hydrogen donor, and the second block comprises a repeat unit containing a blocked donor when the repeat unit of the first block is a hydrogen acceptor, or a blocked acceptor when the repeat unit of the first block is a hydrogen donor; and a solvent; and deprotecting the blocked acceptor or the blocked donor with a deprotecting agent.Type: ApplicationFiled: July 29, 2016Publication date: February 1, 2018Inventors: Phillip D. Hustad, Jong Park, Jieqian Zhang, Vipul Jain, Jin Wuk Sung