Patents by Inventor Bernard Kippelen
Bernard Kippelen 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: 20220123240Abstract: Provided is a semiconductor device having a dual gate field-effect transistor and a sensor in electrical communication with the transistor. The field-effect transistor can have a first gate electrode, a second gate electrode, a source electrode, a drain electrode, a semiconductor layer with parts in contact with the source and drain electrodes, a bi-layer gate insulator, and a second gate insulator. The bi-layer gate insulator can include a first layer and a second layer, the first layer located between the second layer and a first side of the semiconductor layer, the second layer located between the first layer and the first gate electrode. The second gate insulator can be located between the second gate electrode and a second side of the semiconductor layer, and the sensor can be in electrical communication with the second gate electrode.Type: ApplicationFiled: February 7, 2020Publication date: April 21, 2022Inventors: Canek Fuentes-Hernandez, Wen-Fang Chou, Xiaojia Jia, Bernard Kippelen
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Patent number: 10763447Abstract: The disclosed technology includes systems, devices, and methods associate with producing an organic semiconductor film having electrical dopant molecules distributed to a controlled depth. In an example implementation, a semiconductor device is provided. The semiconductor device can include a first substrate and an organic semiconductor film disposed on the first substrate. The organic semiconductor film includes a first region characterized by electrical dopant molecules distributed to a controlled depth with respect to a first surface of the organic semiconductor film. The semiconductor device further can include an electrode in contact with at least a portion of the first region of the organic semiconductor film.Type: GrantFiled: June 3, 2016Date of Patent: September 1, 2020Assignee: Georgia Tech Research CorporationInventors: Bernard Kippelen, Naoya Aizawa, Canek Fuentes-Hernandez, Junji Kido, Seth Marder, Felipe A. Larrain, Wen-Fang Chou, Vladimir Kolesov
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Publication number: 20180175314Abstract: The disclosed technology includes systems, devices, and methods associate with producing an organic semiconductor film having electrical dopant molecules distributed to a controlled depth. In an example implementation, a semiconductor device is provided. The semiconductor device can include a first substrate and an organic semiconductor film disposed on the first substrate. The organic semiconductor film includes a first region characterized by electrical dopant molecules distributed to a controlled depth with respect to a first surface of the organic semiconductor film. The semiconductor device further can include an electrode in contact with at least a portion of the first region of the organic semiconductor film.Type: ApplicationFiled: June 3, 2016Publication date: June 21, 2018Inventors: Bernard Kippelen, Naoya Aizawa, Canek Fuentes-Hernandez, Junji Kido, Seth Marder, Felipe A. Larrain, Wen-Fang Chou, Vladimir Kolesov
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Patent number: 9658510Abstract: An optical device capable of an ultrafast and large change of its reflection or absorption coefficient upon being excited by an ultrafast optical pulse with wavelength in the visible, near-infrared, or infrared spectral regions. The optical device includes, in sequential order, a first thick metallic layer, a first dielectric layer, a second thin metallic layer, and a second dielectric layer. The optical device acts as a nonlinear mirror that presents a large reflectance at low irradiance and a low reflectance at large irradiance. The optical device can further act as a nonlinear mirror that presents a linear and nonlinear reflectance with a large angular bandwidth.Type: GrantFiled: December 20, 2013Date of Patent: May 23, 2017Assignee: Georgia Tech Research CorporationInventors: Bernard Kippelen, Canek Fuentes-Hernandez, James June Fan Hsu
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Patent number: 9368737Abstract: A field-effect transistor includes a gate, a source and a drain; a semiconductor layer between the source and the drain; and a gate insulator between the gate and the semiconductor layer. The gate insulator comprises a first layer adjoining the semiconductor layer; and a second layer. The first layer is formed from an amorphous fluoropolymer having a first dielectric constant and a first thickness. The second layer has a second dielectric constant and a second thickness. The first dielectric constant is smaller than 3, the first thickness is smaller than 200 nm, the second dielectric constant is higher than 5, and the second thickness is smaller than 500 nm.Type: GrantFiled: October 5, 2011Date of Patent: June 14, 2016Assignee: Georgia Tech Research CorporationInventors: Do Kyung Hwang, Jungbae Kim, Canek Fuentes-Hernandez, Bernard Kippelen
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Publication number: 20150378243Abstract: An optical device capable of an ultrafast and large change of its reflection or absorption coefficient upon being excited by an ultrafast optical pulse with wavelength in the visible, near-infrared, or infrared spectral regions. The optical device includes, in sequential order, a first thick metallic layer, a first dielectric layer, a second thin metallic layer, and a second dielectric layer. The optical device acts as a nonlinear mirror that presents a large reflectance at low irradiance and a low reflectance at large irradiance. The optical device can further act as a nonlinear mirror that presents a linear and nonlinear reflectance with a large angular bandwidth.Type: ApplicationFiled: December 20, 2013Publication date: December 31, 2015Applicant: Georgia Tech Research CorporationInventors: Bernard Kippelen, Carek Fuentes-Hernandez, James June Fan Hsu
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Patent number: 9203030Abstract: Recyclable organic solar cells are disclosed herein. Systems and methods are further disclosed for producing, improving performance, and for recycling the solar cells. In certain example embodiments, the recyclable organic solar cells disclosed herein include: a first electrode; a second electrode; a photoactive layer disposed between the first electrode and the second electrode; an interlayer comprising a Lewis basic oligomer or polymer disposed between the photoactive layer and at least a portion of the first electrode or the second electrode; and a substrate disposed adjacent to the first electrode or the second electrode. The interlayer reduces the work function associated with the first or second electrode. In certain example embodiments, the substrate comprises cellulose nanocrystals that can be recycled. In certain example embodiments, one or more of the first electrode, the photoactive layer, and the second electrode may be applied by a film transfer lamination method.Type: GrantFiled: March 21, 2014Date of Patent: December 1, 2015Assignees: Georgia Tech Research Corporation, Purdue Research Foundation, The United States of America as Represented by the Secretary of AgricultureInventors: Bernard Kippelen, Canek Fuentes-Hernandez, Yinhua Zhou, Robert Moon, Jeffrey P. Youngblood
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Patent number: 9133177Abstract: The inventions describe disclosed and described herein relate to ambipolar small molecule host materials for guest phosphorescent metal complexes. Methods of making the ambipolar small molecules are also described. These ambipolar small molecules, which comprise both an oxadiazole and one or more carbazole groups, can be used to make the emission layers of unexpectedly efficient OLED devices containing the materials of the inventions, wherein (I) at least one of the R1, R2 and R3 groups is an optionally substituted carbazole group.Type: GrantFiled: June 21, 2010Date of Patent: September 15, 2015Assignee: Georgia Tech Research CorporationInventors: Yadong Zhang, Carlos Zuniga, Gaelle Deshayes, Julie Leroy, Stephen Barlow, Seth R. Marder, Xuyang He, Sung-Jin Kim, Bernard Kippelen
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Patent number: 9076768Abstract: According to an exemplary embodiment of the invention, systems and methods are provided for producing low work function electrodes. According to an exemplary embodiment, a method is provided for reducing a work function of an electrode. The method includes applying, to at least a portion of the electrode, a solution comprising a Lewis basic oligomer or polymer; and based at least in part on applying the solution, forming an ultra-thin layer on a surface of the electrode, wherein the ultra-thin layer reduces the work function associated with the electrode by greater than 0.5 eV. According to another exemplary embodiment of the invention, a device is provided. The device includes a semiconductor; at least one electrode disposed adjacent to the semiconductor and configured to transport electrons in or out of the semiconductor.Type: GrantFiled: May 16, 2012Date of Patent: July 7, 2015Assignees: GEORGIA TECH RESEARCH CORPORATION, THE TRUSTEES OF PRINCETON UNIVERSITYInventors: Bernard Kippelen, Canek Fuentes-Hernandez, Yinhua Zhou, Antoine Kahn, Jens Meyer, Jae Won Shim, Seth R. Marder
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Patent number: 8912535Abstract: The various inventions and/or their embodiments disclosed herein relate to certain naphthalene diimide (NDI) compounds wherein the NDI groups are bonded to certain subclasses of bridging heteroaryl (hAr) groups, such as the “NDI-hAr-NDI” oligomeric compounds, wherein hAr is a heteroaryl group chosen to provide desirable electronic and steric properties, and the possible identities of the “Rz” terminal peripheral substituent groups are described herein. Transistor and inverter devices can be prepared.Type: GrantFiled: July 15, 2013Date of Patent: December 16, 2014Assignee: Georgia Tech Research CorporationInventors: Lauren E. Polander, Shree Prakash Tiwari, Seth Marder, Bernard Kippelen, Raghunath R. Dasari, Yulia A. Getmanenko, Do Kyung Hwang, Mathieu Fenoll
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Publication number: 20140221664Abstract: The inventions disclosed and described herein relate to new and efficient generic methods for making a wide variety of compounds having HAr—Z-Har tricyclic cores, wherein HAr is an optionally substituted five or six membered heteroaryl ring, and Hal is a halogen, and Z is a bridging radical, such as S, Sc, NR5, C(O), C(O)C(O), Si(R5)2, SO, SO2, PR5, BR5, C(R5)2 or P(O)R5 and both HAr are covalently bound to one another. The synthetic methods employ a “Base-Catalyzed Halogen Dance” reaction to prepare a metallated compound comprising a five or six membered heteroaryl ring comprising a halogen atom, and then oxidatively coupling the reactive intermediate compound. The compounds of Formula (II) and/or oligomer or polymers comprising repeat units having Formula (II) can be useful for making semi-conducting materials, and/or electronic devices comprising those materials. Acyl compounds can be prepared. Heteroarylene substituents can be used. The core tricyclic core can be coupled to itself.Type: ApplicationFiled: August 9, 2012Publication date: August 7, 2014Applicant: GEORGIA TECH RESEARCH CORPORATIONInventors: Yulia A. Getmanenko, Seth Marder, Do Kyung Hwang, Bernard Kippelen
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Publication number: 20140202517Abstract: Recyclable organic solar cells are disclosed herein. Systems and methods are further disclosed for producing, improving performance, and for recycling the solar cells. In certain example embodiments, the recyclable organic solar cells disclosed herein include: a first electrode; a second electrode; a photoactive layer disposed between the first electrode and the second electrode; an interlayer comprising a Lewis basic oligomer or polymer disposed between the photoactive layer and at least a portion of the first electrode or the second electrode; and a substrate disposed adjacent to the first electrode or the second electrode. The interlayer reduces the work function associated with the first or second electrode. In certain example embodiments, the substrate comprises cellulose nanocrystals that can be recycled. In certain example embodiments, one or more of the first electrode, the photoactive layer, and the second electrode may be applied by a film transfer lamination method.Type: ApplicationFiled: March 21, 2014Publication date: July 24, 2014Applicant: GEORGIA TECH RESEARCH CORPORATIONInventors: Bernard Kippelen, Canek Fuentes-Hernandez, Yinhua Zhou, Robert Moon, Jeffrey P. Youngblood
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Publication number: 20140131868Abstract: According to an exemplary embodiment of the invention, systems and methods are provided for producing low work function electrodes. According to an exemplary embodiment, a method is provided for reducing a work function of an electrode. The method includes applying, to at least a portion of the electrode, a solution comprising a Lewis basic oligomer or polymer; and based at least in part on applying the solution, forming an ultra-thin layer on a surface of the electrode, wherein the ultra-thin layer reduces the work function associated with the electrode by greater than 0.5 eV. According to another exemplary embodiment of the invention, a device is provided. The device includes a semiconductor; at least one electrode disposed adjacent to the semiconductor and configured to transport electrons in or out of the semiconductor.Type: ApplicationFiled: May 16, 2012Publication date: May 15, 2014Applicants: PRINCETON UNIVERSITY, GEORGIA TECH RESEARCH CORPORATIONInventors: Bernard Kippelen, Canek Fuentes-Hernandez, Yinhua Zhou, Antoine Kahn, Jens Meyer, Jae Won Shim, Seth R. Marder
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Publication number: 20140061545Abstract: The inventions disclosed, described, and/or claimed herein relate to bis(sulfonyl)biaryl compounds that are useful as electron transporting materials useful for making novel organic electronic devices, including the electron transport layers of organic light-emitting diodes (“OLEDs”), or as an electron transporting guest for phosphorescent guests in the emissive layer of OLEDs.Type: ApplicationFiled: December 7, 2011Publication date: March 6, 2014Inventors: Julie Leroy, Annabelle Scarpaci, Stephen Barlow, Seth Marder, Sung-Jin Kim, Bernard Kippelen, Dengke Cai
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Publication number: 20140021448Abstract: The various inventions and/or their embodiments disclosed herein relate to certain naphthalene diimide (NDI) compounds wherein the NDI groups are bonded to certain subclasses of bridging heteroaryl (hAr) groups, such as the “NDI-hAr-NDI” oligomeric compounds, wherein hAr is a heteroaryl group chosen to provide desirable electronic and steric properties, and the possible identities of the “Rz” terminal peripheral substituent groups are described herein. Transistor and inverter devices can be prepared.Type: ApplicationFiled: July 15, 2013Publication date: January 23, 2014Applicant: Georgia Tech Research CorporationInventors: Lauren E. Polander, Shree Prakash Tiwari, Seth Marder, Bernard Kippelen, Raghunath R. Dasari, Yulia Getmanenko, Do Hwang, Mathieu Fenoll
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Patent number: 8586208Abstract: A device including an electrode, the electrode having a surface; a molecule bound to the surface of the electrode through a binding group; an organic electronic material in electrical contact with the electrode, wherein the molecule comprises at least one fluorinated aryl group, wherein the electrode contains a transparent conductive metal oxide, a carbon nanotube, or graphene.Type: GrantFiled: July 15, 2009Date of Patent: November 19, 2013Assignee: Georgia Tech Research CorporationInventors: Asha Sharma, Peter Hotchkiss, Benoit Domercq, Seth Marder, Bernard Kippelen
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Publication number: 20130270534Abstract: A field-effect transistor includes a gate, a source and a drain; a semiconductor layer between the source and the drain; and a gate insulator between the gate and the semiconductor layer. The gate insulator comprises a first layer adjoining the semiconductor layer; and a second layer. The first layer is formed from an amorphous fluoropolymer having a first dielectric constant and a first thickness. The second layer has a second dielectric constant and a second thickness. The first dielectric constant is smaller than 3, the first thickness is smaller than 200 nm, the second dielectric constant is higher than 5, and the second thickness is smaller than 500 nm.Type: ApplicationFiled: October 5, 2011Publication date: October 17, 2013Applicant: GEORGIA TECH RESEARCH CORPORATIONInventors: Do Kyung Hwang, Jungbae Kim, Canek Fuentes-Hernandez, Bernard Kippelen
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Patent number: 8546505Abstract: This invention relates generally to norbornene-monomer, poly(norbornene)homopolymer, and poly(norbornene)copolymer compounds containing a functionalized carbazole side chain, having desirable solution processability and host characteristics. It also relates to hole transport and/or electron blocking materials, and to organic host materials for an organic luminescence layer, an OLED device, and compositions of matter which include these compounds.Type: GrantFiled: December 19, 2008Date of Patent: October 1, 2013Assignee: Georgia Tech Research CorporationInventors: Yadong Zhang, Seth Marder, Carlos Zuniga, Stephen Barlow, Bernard Kippelen, Andreas Haldi, Benoit Domerq, Marcus Weck, Alpay Kimyonok
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Patent number: 8405069Abstract: Disclosed are embodiments of organic thin-film transistors (OTFT) with a gate insulator layer comprised of nanocomposites incorporating metal oxide nanoparticles coated by organic ligands and methods of fabricating such OTFTs. This abstract is intended as a scanning tool for purposes of searching in the particular art and is not intended to be limiting of the present invention.Type: GrantFiled: November 13, 2007Date of Patent: March 26, 2013Assignee: Georgia Tech Research CorporationInventors: Bernard Kippelen, Joseph Perry, Seth Marder, Philoseok Kim, Simon Jones, Joshua N. Haddock, Xiaohong Zhang, Benoit Domercq, Peter Hotchkiss
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Patent number: 8344142Abstract: Briefly described, embodiments of this disclosure include perylenetetracarboxylic diimide charge-transport materials, methods of forming perylenetetracarboxylic diimide charge-transport materials, and methods of using the perylenetetracarboxylic diimide charge-transport materials.Type: GrantFiled: June 14, 2005Date of Patent: January 1, 2013Assignee: Georgia Tech Research CorporationInventors: Seth Marder, Zesheng An, Steve Barlow, Bernard Kippelen