Patents by Inventor Steven Van Slyke
Steven Van Slyke 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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Patent number: 10804417Abstract: Ink compositions for forming quantum dot-containing films are provided. Also provided are methods for forming the quantum dot-containing films via inkjet printing and photonic devices that incorporate the quantum dot-containing films as light-emitting layers. The ink compositions include the quantum dots, di(meth)acrylate monomers or a combination of di(meth)acrylate and mono(meth)acrylate monomers, and a one or more multifunctional crosslinking agents.Type: GrantFiled: October 6, 2017Date of Patent: October 13, 2020Assignee: KATEEVA, INC.Inventors: Florian Pschenitzka, Jianglong Chen, Elena Rogojina, Steven Van Slyke, Conor F. Madigan
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Publication number: 20190027705Abstract: The present teachings provide methods for forming organic layers for an organic light-emitting device (OLED) using an inkjet printing or thermal printing process. The method can further use one or more additional processes, such as vacuum thermal evaporation (VTE), to create an OLED stack. OLED stack structures are also provided wherein at least one of the charge injection or charge transport layers is formed by an inkjet printing or thermal printing method at a high deposition rate. The structure of the organic layer can be amorphous, crystalline, porous, dense, smooth, rough, or a combination thereof, depending on deposition parameters and post-treatment conditions. An OLED microcavity is also provided and can be formed by one of more of the methods.Type: ApplicationFiled: September 27, 2018Publication date: January 24, 2019Applicant: Kateeva, Inc.Inventors: Jianglong Chen, Ian Millard, Steven Van Slyke, Inna Tregub, Conor F. Madigan
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Publication number: 20180102449Abstract: Ink compositions for forming quantum dot-containing films are provided. Also provided are methods for forming the quantum dot-containing films via inkjet printing and photonic devices that incorporate the quantum dot-containing films as light-emitting layers. The ink compositions include the quantum dots, di(meth)acrylate monomers or a combination of di(meth)acrylate and mono(meth)acrylate monomers, and a one or more multifunctional crosslinking agents.Type: ApplicationFiled: October 6, 2017Publication date: April 12, 2018Inventors: Florian Pschenitzka, Jianglong Chen, Elena Rogojina, Steven Van Slyke, Conor F. Madigan
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Publication number: 20140332798Abstract: The present teachings provide methods for forming organic layers for an organic light-emitting device (OLED) using an inkjet printing or thermal printing process. The method can further use one or more additional processes, such as vacuum thermal evaporation (VTE), to create an OLED stack. OLED stack structures are also provided wherein at least one of the charge injection or charge transport layers is formed by an inkjet printing or thermal printing method at a high deposition rate. The structure of the organic layer can be amorphous, crystalline, porous, dense, smooth, rough, or a combination thereof, depending on deposition parameters and post-treatment conditions. An OLED microcavity is also provided and can be formed by one of more of the methods.Type: ApplicationFiled: July 29, 2014Publication date: November 13, 2014Inventors: Jianglong Chen, Ian Millard, Steven Van Slyke, Inna Tregub, Conor F. Madigan
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Patent number: 8809079Abstract: The present teachings provide methods for forming organic layers for an organic light-emitting device (OLED) using an inkjet printing or thermal printing process. The method can further use one or more additional processes, such as vacuum thermal evaporation (VTE), to create an OLED stack. OLED stack structures are also provided wherein at least one of the charge injection or charge transport layers is formed by an inkjet printing or thermal printing method at a high deposition rate. The structure of the organic layer can be amorphous, crystalline, porous, dense, smooth, rough, or a combination thereof, depending on deposition parameters and post-treatment conditions. An OLED microcavity is also provided and can be formed by one of more of the methods.Type: GrantFiled: June 21, 2012Date of Patent: August 19, 2014Assignee: Kateeva, Inc.Inventors: Jianglong Chen, Ian Millard, Steven Van Slyke, Inna Tregub, Conor Madigan
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Patent number: 8603642Abstract: The invention provides an electronic device including an anode and a cathode, between which there are at least two organic phototransducing units where the units are separated by an intermediate connecting region which comprises in sequence: an organic p-type layer, an intermediate layer in direct contact with the organic p-type layer and including a compound that has a LUMO more negative than ?3.0 eV and is different from the organic compound in the organic p-type layer, and an n-type doped organic layer in direct contact with the intermediate layer and including an electron transport material as a host and an organic n-dopant with a HOMO less negative than ?4.5 eV. In one embodiment, the electronic device is a tandem OLED.Type: GrantFiled: May 13, 2009Date of Patent: December 10, 2013Assignee: Global OLED Technology LLCInventors: Tukaram K. Hatwar, Jeffrey P. Spindler, Denis Y. Kondakov, Steven A. Van Slyke, Sven Z. Murano, Gufeng He
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Publication number: 20130153866Abstract: The present teachings provide methods for forming organic layers for an organic light-emitting device (OLED) using an inkjet printing or thermal printing process. The method can further use one or more additional processes, such as vacuum thermal evaporation (VTE), to create an OLED stack. OLED stack structures are also provided wherein at least one of the charge injection or charge transport layers is formed by an inkjet printing or thermal printing method at a high deposition rate. The structure of the organic layer can be amorphous, crystalline, porous, dense, smooth, rough, or a combination thereof, depending on deposition parameters and post-treatment conditions. An OLED microcavity is also provided and can be formed by one of more of the methods.Type: ApplicationFiled: June 21, 2012Publication date: June 20, 2013Applicant: KATEEVA, INC.Inventors: Jianglong CHEN, Ian MILLARD, Steven VAN SLYKE, Inna TREGUB, Conor MADIGAN
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Patent number: 8466484Abstract: The present teachings provide methods for forming organic layers for an organic light-emitting device (OLED) using a thermal printing process. The method can further use one or more additional processes, such as vacuum thermal evaporation (VTE), to create an OLED stack. OLED stack structures are also provided wherein at least one of the charge injection or charge transport layers is formed by a thermal printing method at a high deposition rate. The organic layer can be subject to post-deposition treatment such as baking. The structure of the organic layer can be amorphous, crystalline, porous, dense, smooth, rough, or a combination thereof, depending on deposition parameters and post-treatment conditions. The organic layer can improve light out-coupling efficiency of an OLED, increase conductivity, decrease index of refraction, and/or modify the emission chromaticity of an OLED. An OLED microcavity is also provided and can be formed by one of more of these methods.Type: GrantFiled: January 27, 2012Date of Patent: June 18, 2013Assignee: Kateeva, Inc.Inventors: Steven Van Slyke, Conor Madigan, Jianglong Chen, Ian Millard
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Publication number: 20120326192Abstract: The present teachings provide methods for forming organic layers for an organic light-emitting device (OLED) using a thermal printing process. The method can further use one or more additional processes, such as vacuum thermal evaporation (VTE), to create an OLED stack. OLED stack structures are also provided wherein at least one of the charge injection or charge transport layers is formed by a thermal printing method at a high deposition rate. The organic layer can be subject to post-deposition treatment such as baking. The structure of the organic layer can be amorphous, crystalline, porous, dense, smooth, rough, or a combination thereof, depending on deposition parameters and post-treatment conditions. The organic layer can improve light out-coupling efficiency of an OLED, increase conductivity, decrease index of refraction, and/or modify the emission chromaticity of an OLED. An OLED microcavity is also provided and can be formed by one of more of these methods.Type: ApplicationFiled: January 27, 2012Publication date: December 27, 2012Applicant: KATEEVA, INC.Inventors: Steven VAN SLYKE, Conor MADIGAN, Jianglong CHEN, Ian MILLARD
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Patent number: 8057916Abstract: An OLED device includes an anode, a cathode, and at least one individually selected organic light-emitting layer disposed between the anode and cathode. The device also includes an electron-transporting layer disposed between the at least one light-emitting layer and the cathode, such electron-transporting layer including a first electron-transporting material, and an electron-injecting layer disposed between the electron-transporting layer and the cathode, such electron-injecting layer including a metal dopant having a work function less than 4.0 eV and an electron-transporting material that is different from the first electron-transporting material.Type: GrantFiled: April 20, 2005Date of Patent: November 15, 2011Assignee: Global OLED Technology, LLC.Inventors: Tukaram K. Hatwar, Liang-Sheng Liao, Yuan-Sheng Tyan, Steven A. Van Slyke
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Publication number: 20100288362Abstract: The invention provides an electronic device including an anode and a cathode, between which there are at least two organic phototransducing units where the units are separated by an intermediate connecting region which comprises in sequence: an organic p-type layer, an intermediate layer in direct contact with the organic p-type layer and including a compound that has a LUMO more negative than ?3.0 eV and is different from the organic compound in the organic p-type layer, and an n-type doped organic layer in direct contact with the intermediate layer and including an electron transport material as a host and an organic n-dopant with a HOMO less negative than ?4.5 eV. In one embodiment, the electronic device is a tandem OLED.Type: ApplicationFiled: May 13, 2009Publication date: November 18, 2010Inventors: Tukaram K. Hatwar, Jeffrey P. Spindler, Denis Y. Kondakov, Steven A. Van Slyke, Sven Z. Murano, Gufeng He
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Patent number: 7687990Abstract: In an OLED device having a substrate, a first electrode layer disposed over the substrate, an inorganic short reduction layer disposed over the first electrode layer, an organic electroluminescent medium disposed over the short reduction layer, and a second electrode layer over the electroluminescent medium, a feature is the inclusion of a mixture of ZnS, SiO2, and ITO in the short reduction layer wherein the ratio of In atoms to Zn atoms is in the range of from 0.90 to 2.37.Type: GrantFiled: April 12, 2007Date of Patent: March 30, 2010Assignee: Global OLED Technology LLCInventors: Dustin L. Winters, Yuan-Sheng Tyan, Ansuman Banerjee, Thomas R. Cushman, Steven A. Van Slyke
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Publication number: 20080261478Abstract: A method of forming a patterned, light-emitting device that includes providing a substrate, and mechanically locating a first masking film over the substrate. The first masking film is segmented into a first masking portion and one or more first contiguous opening portions in first locations. The first contiguous opening portions are mechanically removed. Subsequently, first light-emitting materials are deposited over the substrate in the first locations to form first light-emitting areas; and the first masking portion is mechanically removed.Type: ApplicationFiled: April 17, 2007Publication date: October 23, 2008Inventors: Ronald S. Cok, John W. Hamer, Steven A. Van Slyke
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Publication number: 20080252208Abstract: In an OLED device having a substrate, a first electrode layer disposed over the substrate, an inorganic short reduction layer disposed over the first electrode layer, an organic electroluminescent medium disposed over the short reduction layer, and a second electrode layer over the electroluminescent medium, a feature is the inclusion of a mixture of ZnS, SiO2, and ITO in the short reduction layer wherein the ratio of In atoms to Zn atoms is in the range of from 0.90 to 2.37.Type: ApplicationFiled: April 12, 2007Publication date: October 16, 2008Inventors: Dustin L. Winters, Yuan-Sheng Tyan, Ansuman Banerjee, Thomas R. Cushman, Steven A. Van Slyke
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Patent number: 7382384Abstract: An active matrix OLED display has pixels with light emitting areas arranged in rows and columns and includes; a first pixel having a first height in the column direction and disposed in a first column of pixels and in a first row of pixels; a second pixel having a second height in the column direction and disposed in the first column of pixels and in a second row of pixels wherein the second row of pixels is adjacent to the first row of pixels and the first height being different than the second height; and a first select line arranged to drive only the first row of pixels and a second select lines spaced from the first select line arranged to drive only the second row of pixels wherein the emitting areas of the first and second pixels are disposed between the first and second select lines.Type: GrantFiled: December 7, 2004Date of Patent: June 3, 2008Assignee: Eastman Kodak CompanyInventors: Dustin L. Winters, Steven A. Van Slyke
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Patent number: 7304428Abstract: A cathode structure for use in an OLED device having one or more OLED layers includes a thin light-transmissive layer having a top surface and a bottom surface and including silver (Ag) wherein the Ag acts as a conductor for the cathode structure, and a light-transmissive electron-injecting layer disposed in contact with the bottom surface of the thin light-transmissive layer and with an underlying OLED layer. The structure also includes an oxide layer disposed over the thin light-transmissive layer, and a separation layer disposed between the top surface of the thin light-transmissive layer and the oxide layer.Type: GrantFiled: December 14, 2004Date of Patent: December 4, 2007Assignee: Eastman Kodak CompanyInventors: Amalkumar P. Ghosh, Steven A. Van Slyke, Angelo G. Pignata
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Patent number: 7279063Abstract: A method of bonding a cover plate over OLED devices formed on a surface of a device substrate wherein each one of the OLED devices includes at least one electrical interconnect area includes providing a flow-preventing pattern on a surface of the cover plate or on the OLED devices absent from the electrical interconnect areas of the OLED devices to prevent flow of a flowable adhesive material into at least the outermost portions of such interconnect areas; dispensing a selected amount of a flowable curable adhesive material on the surface of the cover plate in registration with the flow-preventing pattern; engaging the cover plate in alignment with the substrate; and curing the adhesive material.Type: GrantFiled: January 16, 2004Date of Patent: October 9, 2007Assignee: Eastman Kodak CompanyInventors: Joseph E. Yokajty, Jeffrey P. Serbicki, Steven A. Van Slyke
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Patent number: 7268485Abstract: A white light emitting OLED apparatus includes a microcavity OLED device and a light-integrating element, wherein the microcavity OLED device has a white light emitting organic EL element and the microcavity OLED device is configured to have angular-dependent narrow-band emission, and the light-integrating element integrates the angular-dependent narrow-band emission from different angles from the microcavity OLED device to form white light emission.Type: GrantFiled: October 7, 2003Date of Patent: September 11, 2007Assignee: Eastman Kodak CompanyInventors: Yuan-Sheng Tyan, Steven A. Van Slyke, Joel D. Shore, Giuseppe Farruggia, Thomas R. Cushman
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Publication number: 20060269656Abstract: A method of vaporizing organic material for deposition of an organic layer on a substrate for use in making an OLED device includes providing a first vacuum chamber, vaporizing gettering material to coat a surface which is in or to be placed in the first vacuum chamber or in a second vacuum chamber, and vaporizing the organic material to deposit vaporized organic material on the substrate and leaving the substrate in the first chamber or moving it to the second chamber, whereby the gettering material reacts with contaminants to lessen incorporation of contaminants into the OLED device.Type: ApplicationFiled: May 26, 2005Publication date: November 30, 2006Inventors: Michael Boroson, Anatole Pleten, Steven Van Slyke, Terrence O'Toole
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Patent number: 7135352Abstract: A method of bonding a common cover plate over a plurality of OLED devices formed on a device substrate includes providing an unpatterned or a patterned layer of a pressure-sensitive adhesive (PSA) material over a surface of the cover plate; bonding the cover plate over the OLED devices; and singulating individual OLED devices having a bonded cover plate and permitting electrical access to electrical interconnects associated with each OLED device for attaching electrical leads thereto.Type: GrantFiled: February 26, 2004Date of Patent: November 14, 2006Assignee: Eastman Kodak CompanyInventors: Joseph E. Yokajty, Jeffrey P. Serbicki, Steven A. Van Slyke