Patents by Inventor Denis Kondakov

Denis Kondakov 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: 9312485
    Abstract: There is provided a process for forming a contained second layer over a first layer, including the steps: forming the first layer including a fluorinated material and a photoinitiator, and having a first surface energy; treating the first layer with a priming layer including an aromatic amine compound; exposing the priming layer patternwise with activating radiation, resulting in exposed areas and unexposed areas; developing the priming layer to effectively remove the priming layer from the unexposed areas resulting in a first layer having a patterned priming layer, wherein the patterned priming layer has a second surface energy that is higher than the first surface energy; and forming the second layer by liquid deposition on the patterned priming layer on the first layer.
    Type: Grant
    Filed: December 9, 2013
    Date of Patent: April 12, 2016
    Assignee: EI DU PONT DE NEMOURS AND COMPANY
    Inventors: Adam Fennimore, Denis Kondakov, Steve Mackara, Frank Schadt
  • Publication number: 20150318476
    Abstract: There is provided a process for forming a contained second layer over a first layer, including the steps: forming the first layer including a fluorinated material and a photoinitiator, and having a first surface energy; treating the first layer with a priming layer including an aromatic amine compound; exposing the priming layer patternwise with activating radiation, resulting in exposed areas and unexposed areas; developing the priming layer to effectively remove the priming layer from the unexposed areas resulting in a first layer having a patterned priming layer, wherein the patterned priming layer has a second surface energy that is higher than the first surface energy; and forming the second layer by liquid deposition on the patterned priming layer on the first layer.
    Type: Application
    Filed: December 9, 2013
    Publication date: November 5, 2015
    Inventors: Adam FENNIMORE, Denis KONDAKOV, Steve MACKARA, Frank SCHADT
  • Publication number: 20070252522
    Abstract: An electroluminescent device comprises a cathode, an anode, and has therebetween a light emitting layer (LEL), the device further containing an electron transport layer (ETL) comprising an anthracene compound on the cathode side of the LEL and an organic electron injection layer (EIL) between the ETL and the cathode comprising a phenanthroline compound, wherein the thickness of the EIL and LEL are such that the ratio of the thickness of the EIL to LEL is greater than 0.125.
    Type: Application
    Filed: April 27, 2006
    Publication date: November 1, 2007
    Inventors: Denis Kondakov, Scott Conley, Kevin Klubek
  • Publication number: 20070252517
    Abstract: An OLED device comprises a cathode, an anode, and has therebetween a light emitting layer containing a host material and an emitting dopant material wherein the host includes a monoanthracene compound bearing aromatic groups in the 2-, 9-, and 10-positions and being further substituted or not with electron donating groups sufficient so as to provide an anthracene derivative that exhibits a measured oxidation potential of less than 1.28 V.
    Type: Application
    Filed: April 27, 2006
    Publication date: November 1, 2007
    Inventors: Zbyslaw Owczarczyk, Denis Kondakov, Muhunthan Sathiosatham
  • Publication number: 20070252521
    Abstract: An electroluminescent device comprises a cathode, an anode, and has therebetween a light emitting layer (LEL), the device further containing an electron transport layer (ETL) on the cathode side of the LEL and an organic electron injection layer (EIL) contiguous to the ETL on the cathode side, wherein the ETL contains a monoanthracene compound bearing aromatic groups in the 2-, 9-, and 10-positions.
    Type: Application
    Filed: April 27, 2006
    Publication date: November 1, 2007
    Inventors: Denis Kondakov, Scott Conley, Kevin Klubek, J. Vargas
  • Publication number: 20070252516
    Abstract: An OLED device comprises a cathode, an anode, and has therebetween a light emitting layer (LEL) comprising a phosphorescent emitting compound disposed in a host comprising a mixture of at least one electron transporting co-host and at least one hole transporting co-host, wherein there is present an electron transporting layer contiguous to the LEL on the cathode side and wherein there is present an EIL layer containing a heteroaromatic compound contiguous to the cathode.
    Type: Application
    Filed: April 27, 2006
    Publication date: November 1, 2007
    Inventors: Marina Kondakova, Denis Kondakov, Ralph Young, Christopher Brown, Kevin Klubek, Viktor Jarikov, Sheena Zuberi
  • Publication number: 20070166566
    Abstract: An OLED device comprises a cathode and anode and having therebetween a light-emitting layer, wherein there is located between the cathode and the light-emitting layer a further layer, not contiguous to the light-emitting layer, containing a metal complex of 3 bidentate ligands having Formula (1): wherein: each Za and each Zb is independently selected and each represents the atoms necessary to complete an unsaturated ring; Za and Zb are directly bonded to one another provided Za and Zb may be further linked together to form a fused ring system; and wherein the further layer also comprises an alkali metal material. Materials of the invention provide offer good luminance and reduced drive voltage.
    Type: Application
    Filed: January 18, 2006
    Publication date: July 19, 2007
    Inventors: Tommie Royster, Denis Kondakov
  • Publication number: 20070141393
    Abstract: An OLED device comprises a cathode, an anode, and having therebetween a light emitting layer, the device further comprising a layer on the cathode side of the emitting layer containing an anthracene compound bearing a diarylamine group; provided either (1) there is present an organic layer contiguous to the cathode that is substantially free of an anthracene compound bearing a diarylamine group, or (2) there are present independently selected diarylamine groups in both the 9- and 10-positions of the anthracene. The invention provides an improved combination of efficiency, operational lifetime, and lower operational voltage.
    Type: Application
    Filed: December 21, 2005
    Publication date: June 21, 2007
    Inventors: Kevin Klubek, Denis Kondakov
  • Publication number: 20070134514
    Abstract: An OLED device comprises a cathode, an anode, and has therebetween a light-emitting layer containing a phosphorescent emitter and a host comprising a first aluminum or gallium complex containing at least one 2-(2-hydroxyphenyl)pyridine ligand and at least one phenoxy ligand, wherein the phenoxy ligand is substituted by an amine or there is further present adjacent to the light-emitting layer on the cathode side a layer containing a second aluminum or gallium complex containing at least one 2-(2-hydroxyphenyl)pyridine ligand and at least one phenoxy ligand.
    Type: Application
    Filed: December 14, 2005
    Publication date: June 14, 2007
    Inventors: Denis Kondakov, Tommie Royster, Christopher Brown
  • Publication number: 20070122657
    Abstract: An OLED device comprises a cathode, an anode, and a light-emitting layer therebetween, and additionally comprises a layer between the cathode and the light-emitting layer including a phenanthroline compound comprising no more than two optionally substituted phenanthroline moieties wherein one and only one group substituted on a phenanthroline nucleus includes an aromatic system comprising four or more fused aromatic rings. Such a device provides desirable electroluminescent properties, such as increased luminance and reduced drive voltage, as well as good device stability.
    Type: Application
    Filed: November 30, 2005
    Publication date: May 31, 2007
    Inventors: Kevin Klubek, Denis Kondakov
  • Publication number: 20070122656
    Abstract: An OLED device comprises a cathode, an anode, and a light-emitting layer therebetween, and additionally comprises a layer between the cathode and the light-emitting layer including a compound comprising one and only one anthracene nucleus bearing no more than two phenanthroline-containing substituents wherein said anthracene nucleus is substituted in the 2-, 3-, 6-, or 7-position with a phenanthroline-containing substituent. When such materials are included in a layer, such as an electron-transporting layer, that provide both desirable electroluminescent properties as well as good device stability.
    Type: Application
    Filed: November 30, 2005
    Publication date: May 31, 2007
    Inventors: Kevin Klubek, Denis Kondakov
  • Publication number: 20060264632
    Abstract: A process for forming a facial tris-cyclometallated iridium or rhodium complex isomer comprises heating an original solid composition containing meridional isomer of the metal complex at a temperature and for a time sufficient to form a product containing the facial isomer in an increased ratio to meridional isomer compared to the original composition.
    Type: Application
    Filed: May 20, 2005
    Publication date: November 23, 2006
    Inventors: Shouquan Huo, Joseph Deaton, Denis Kondakov
  • Publication number: 20060210829
    Abstract: Disclosed is an OLED device comprising a light-emitting layer containing a light emitting bis(azinyl)methene boron complex compound comprising a complex system of at least five fused rings and bearing, on at least one ring carbon or nitrogen, a substituent sufficient to provide a wavelength of maximum emission of less than 520 nm as measured at a concentration of <10?3M in ethyl acetate solvent.
    Type: Application
    Filed: January 30, 2004
    Publication date: September 21, 2006
    Inventors: J. Vargas, Denis Kondakov
  • Publication number: 20060084347
    Abstract: A method for forming a color organic light-emitting device including depositing a first electrode over a substrate; depositing a first emissive layer over the first electrode for producing a first colored light in response to hole-electron recombination; and selectively patternwise depositing a hole-blocking layer over the first emissive layer. The method also includes depositing a second emissive layer over the hole-blocking layer which in response to hole-electron recombination emits colored light different from the colored light emitted from the first emissive layer; depositing a second electrode over the second emissive layer; and whereby the patternwise deposition of the hole-blocking layer has been selected to substantially shift hole-electron recombination from the second to the first emissive layers.
    Type: Application
    Filed: December 31, 2002
    Publication date: April 20, 2006
    Inventors: Lee Tutt, Denis Kondakov, Myron Culver
  • Publication number: 20060003258
    Abstract: The invention includes a process for forming a laser pixel array useful with a pump-beam, comprising: a) forming a layer containing a formamide of an amino dye compound on a support wherein the layer absorbs light outside the laser wavelength and predominantly outside the pump-beam wavelength range; and b) subjecting the layer to UV radiation in the areas of the layer where it is desired to be free of pixels for a time sufficient to shift the absorption envelope of the areas into the pump-beam wavelength range. The invention also provides for unimolecularly forming an image or an information record and a composition of matter. The invention provides methods for forming filters, images or information records having a smooth surface and in particular for forming a pixel region pattern for use with an Organic VCSEL that would ease manufacturing.
    Type: Application
    Filed: June 30, 2004
    Publication date: January 5, 2006
    Inventors: J. Vargas, Denis Kondakov, Keith Kahen
  • Publication number: 20050170204
    Abstract: Disclosed is an OLED device comprising a light-emitting layer containing a light emitting bis(azinyl)methene boron complex compound comprising a complex system of at least five fused rings and bearing, on at least one ring carbon or nitrogen, a substituent sufficient to provide a wavelength of maximum emission of less than 520 nm as measured at a concentration of <10?3M in ethyl acetate solvent.
    Type: Application
    Filed: January 30, 2004
    Publication date: August 4, 2005
    Inventors: J. Vargas, Denis Kondakov
  • Publication number: 20050123794
    Abstract: Disclosed is an electroluminescent device comprising a cathode and anode, and, located therebetween, at least one “A” layer containing a fluorescent material that emits blue light and a hydrocarbon host and at least one “B” layer containing a phosphorescent yellow-light-emitting material. The invention also provides a display or area lighting device and a process for emitting light using the device. The device provides useful light emission.
    Type: Application
    Filed: December 5, 2003
    Publication date: June 9, 2005
    Inventors: Joseph Deaton, Tukaram Hatwar, Denis Kondakov
  • Publication number: 20050123791
    Abstract: Disclosed is an electroluminescent device comprising a cathode and anode, and therebetween, at least two light-emitting layers wherein the first layer, layer A, comprises a phosphorescent light-emitting organometallic compound comprising iridium and an isoquinoline group and a second layer, layer B, comprising a light-emitting material. Such devices provide useful white light emissions.
    Type: Application
    Filed: December 5, 2003
    Publication date: June 9, 2005
    Inventors: Joseph Deaton, Tukaram Hatwar, Denis Kondakov, Christopher Brown