Patents by Inventor Pavel I. Lazarev

Pavel I. Lazarev 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).

  • Publication number: 20110064892
    Abstract: This invention relates to polycyclic organic compounds of general structural formula (I): wherein Y is a predominantly planar polycyclic system being at least partially aromatic, W1, W2, and W3 are different groups providing solubility in an organic solvent, and sum (n1+n2+n3) is 1, 2, 3, 4, 5, 6, 7 or 8. The polycyclic organic compounds are substantially transparent for electromagnetic radiation in the visible spectral range and are capable of forming supramolecules in the organic solvent.
    Type: Application
    Filed: March 4, 2009
    Publication date: March 17, 2011
    Inventors: Alexey Nokel, Pavel I. Lazarev
  • Publication number: 20110042649
    Abstract: The present invention relates to a thin-film transistor which comprises a conductive and predominantly continuous carbon-based layer (3) comprising predominantly planar graphene-like structures. The graphene-like structures may be in the following various forms: planar graphene-like nanoribbons oriented predominantly perpendicularly to the carbon-based layer surface or planar graphene-like sheets oriented predominantly parallel to the carbon-based layer surface. The carbon-based layer thickness is in the range from approximately 1 to 1000 nm.
    Type: Application
    Filed: February 16, 2009
    Publication date: February 24, 2011
    Inventors: Steven Grant Duvall, Pavel Khokhlov, Pavel I. Lazarev
  • Patent number: 7888505
    Abstract: The present invention relates to a 6,7-dihydrobenzimidazo[1,2-c]quinazolin-6-one carboxylic acid and its esters of the general structural formula (I), and provides a method for their synthesis (I) where R and each R? are selected independently from the list comprising —H—CH3, —C2H5, —C3H7, -iso-C3H7, —CH2CH2CH2CH3, —CH(CH3)CH2CH3, —CH2CH(CH3)CH3 and —C(CH3)3; n is 1, 2, 3 or 4; Y is a substituent selected from the list comprising —CH3, —C2H5, —NO2, —Cl, —Br, —F, —CF3, —CN, —OH, —OCH3, —OC2H5, —OCOCH3, —OCN, —SCN, —NH2, —NHCOCH3; and z is 0, 1, 2, 3 or 4.
    Type: Grant
    Filed: January 15, 2007
    Date of Patent: February 15, 2011
    Assignee: Crysoptix, KK
    Inventors: Tatyana Doutova, Pavel I. Lazarev, Elena N. Sidorenko, Valery S. Kuzmin
  • Publication number: 20100279122
    Abstract: The present invention is relates to the synthesis of predominantly planar heterocyclic organic compound and the manufacture of optical films based on these compounds. Said organic compound has the general structural formula where Het is a predominantly planar heterocyclic molecular system possessing hydrophilic properties; B is a binding group; p is the number in the range from 3 to 8; S is a group providing solubility of the organic compound; m is a number in the range from 0 to 8. Said organic compound is transparent for electromagnetic radiation in the visible spectral range from 400 to 700 nm, and a solution of the compound or a salt thereof is capable of forming a substantially transparent optical layer on a substrate, with the heterocyclic molecular planes oriented predominantly parallel to the substrate surface.
    Type: Application
    Filed: August 16, 2007
    Publication date: November 4, 2010
    Applicant: CRYSOPTIX KK
    Inventors: Alexey Nokel, Pavel I. Lazarev
  • Publication number: 20100233491
    Abstract: The present invention relates generally to the field of organic chemistry and particularly to anisotropic polymer films. More specifically, the present invention relates to materials for microelectronics, optics, communications, computer technology, and other related fields. The invention provides an anisotropic polymeric film and method of producing the same, which film comprises a substrate and an anisotropic layer of noncovalent polymeric material. The anisotropic layer comprises a mixture of general composition (I) where Heti is a heterocyclic molecular system of the i-th kind, K is the number of different kinds of heterocyclic molecular system in the mixture and is equal to 1, 2, 3, 4, 5 or 6; i is an integer in the range from 1 to K; P1, P2, . . . PK are real numbers in the range from 0 to 1 and obey the condition: P1+P2+ . . .
    Type: Application
    Filed: August 16, 2007
    Publication date: September 16, 2010
    Applicant: CRYSOPTIX KK
    Inventors: Alexey Nokel, Pavel I. Lazarev
  • Publication number: 20100224998
    Abstract: An integrated circuit (IC) includes an interconnect system made of electrically conducting ribtan material. The integrated circuit includes a substrate, a set of circuit elements that are formed on the substrate, an interconnect system that interconnects the circuit elements. At least part of the interconnect system is made of a metallic ribtan material.
    Type: Application
    Filed: June 25, 2009
    Publication date: September 9, 2010
    Applicant: Carben Semicon Limited
    Inventors: Steven Grant Duvall, Pavel Khokhlov, Pavel I. Lazarev
  • Publication number: 20100173134
    Abstract: The present invention relates generally to the field of electronics. More specifically, the present invention relates to film and device using layer based on carbon-based ribtan material. According to present invention, the film comprises at least one optically transparent and electrically conductive layer based on a ribtan material.
    Type: Application
    Filed: June 25, 2009
    Publication date: July 8, 2010
    Applicant: CARBEN SEMICON LIMITED
    Inventors: Pavel Khokhlov, Pavel I. Lazarev
  • Patent number: 7733443
    Abstract: A liquid crystal display with a backlight is described. The liquid crystal cell comprising a front panel and a rear panel with polarizing means on each panel, and the front polarizing means includes a reflective polarizer and a dichroic polarizer.
    Type: Grant
    Filed: October 1, 2004
    Date of Patent: June 8, 2010
    Assignee: Nitto Denko Corporation
    Inventors: Pavel I. Lazarev, Michael V. Paukshto
  • Publication number: 20100065122
    Abstract: The present invention relates generally to the field of organic chemistry and particularly to the organic compound for organic photovoltaic devices. More specifically, the present invention is related to the organic compounds and the organic photovoltaic devices based on these compounds.
    Type: Application
    Filed: September 26, 2007
    Publication date: March 18, 2010
    Applicant: Cryscade Solar Limited
    Inventor: Pavel I. Lazarev
  • Publication number: 20100047477
    Abstract: The present invention relates to a 6,7-dihydrobenzimidazo[1,2-c]quinazolin-6-one carboxylic acid and its esters of the general structural formula (I), and provides a method for their synthesis (I) where R and each R? are selected independently from the list comprising —H—CH3, —C2H5, —C3H7, -iso-C3H7, —CH2CH2CH2CH3, —CH(CH3)CH2CH3, —CH2CH(CH3)CH3 and —C(CH3)3; n is 1, 2, 3 or 4; Y is a substituent selected from the list comprising —CH3, —C2H5, —NO2, —Cl, —Br, —F, —CF3, —CN, —OH, —OCH3, —OC2H5, —OCOCH3, —OCN, —SCN, —NH2, —NHCOCH3; and z is 0, 1, 2, 3 or 4.
    Type: Application
    Filed: January 15, 2007
    Publication date: February 25, 2010
    Applicant: CRYSOPTIX KK
    Inventors: Tatyana Doutova, Pavel I. Lazarev, Elena N. Sidorenko, Valery S. Kuzmin
  • Publication number: 20100039705
    Abstract: The present invention is related to 6,7-dihydrobenzimidazo[1,2-c]quinazolin-6-one derivatives of the general structural formula (I), the anisotropic optical film based on these derivatives with phase-retarding properties for displays, and method of producing thereof (I) where X is a carboxylic group COOH, m is 0, 1, 2 or 3; Y is a sulfonic group SO3H, n is 0, 1, 2 or 3; Z is an add amide group L-NH2; p is 0, 1, 2 or 3; K is a counterion selected from the list comprising H, NH4+, Na+, K+, Li+, Mg2+, Ca2+, Zn2+, and Al3+; s is the number of counterions providing neutral state of the molecule; R is a substituent selected from the list comprising CH3, C2H5, NO2, Cl, Br, F, CF3, CN, OH, OCH3, OC2H5, OCOCH3, OCN, SCN, NH2, and NHCOCH3; w is 0, 1, 2, 3 or 4; and R1 is a substituent selected from the list comprising H, CH3, C2H5, C3H7, i-C3H7, CH2CH2CH2CH3, CH(CH3)CH2CH3, CH2CH(CH3)CH3 and C(CH3)3 and L is a linking group.
    Type: Application
    Filed: January 15, 2007
    Publication date: February 18, 2010
    Applicant: CRYSOPTIX KK
    Inventors: Tatyana Doutova, Pavel I. Lazarev, Elena N. Sidorenko
  • Publication number: 20100038629
    Abstract: The present invention relates generally to the field of macro- and microelectronics with the potential for large-scale integration, optics, communications, and computer technology and particularly to the materials for these and other related fields. The present invention provides an anisotropic semiconductor film on a substrate, comprising at least one solid layer of material that comprises predominantly planar graphene-like carbon-based structures and possesses anisotropy of conductivity, and wherein the layer thickness is in a range from approximately 5 nm to 1000 nm.
    Type: Application
    Filed: November 6, 2007
    Publication date: February 18, 2010
    Applicant: Carben Semicon Limited
    Inventor: Pavel I. Lazarev
  • Patent number: 7651738
    Abstract: The present invention provides an optically anisotropic composite film material possessing improved working characteristics, including hydrolytic stability and mechanical strength with respect to environmental factors. These and other advantages of the present invention may be achieved by creating a supramolecular composite film material. This supramolecular composite film material comprises a matrix of thin crystal film composed of organic supramolecules containing polar groups, and a binding agent representing a water-soluble aliphatic compound containing at least two functional groups. The present invention further provides a method for manufacturing supramolecular composite film materials possessing these advantageous properties.
    Type: Grant
    Filed: May 18, 2005
    Date of Patent: January 26, 2010
    Assignee: Nitto Denko Corporation
    Inventors: Alexander S. Grodsky, Alexander F. Krivoschepov, Pavel I. Lazarev
  • Publication number: 20090191394
    Abstract: The present invention is related to the synthesis of acenaphthoquinoxaline sulfonamide derivatives and the manufacture of optical crystal films based on these compounds. Said acenaphthoquinoxaline sulfonamide heterocyclic derivatives have the general structural formula: where n is 1, 2 or 3; X is an acid group; m is 1, 2 or 3; Y is a counterion selected from the list consisting of H+, NH4+, Na+, K+, and Li+; p is the number of counterions providing neutral state of the molecule; R is a substituent selected from the list consisting of —CH3, —C2H5, —NO2, —Cl, —Br, —F, —CF3, —CN, —OH —OCH3, —OC2H5, —OCOCH3, —OCN, —SCN, —NH2, —NHCOCH3, —CONH2; and z is 1, 2, 3 or 4.
    Type: Application
    Filed: October 9, 2006
    Publication date: July 30, 2009
    Inventors: Pavel I. Lazarev, Elena N. Sidorenko
  • Patent number: 7557876
    Abstract: The backlight system including, an anisotropic fluorescent thin crystal film with the optical parameters matched to the spectral characteristics of a light source, and a liquid crystal display incorporating the backlight system are disclosed. The backlight system comprises at least one light source having an emission spectrum with at least one peak in the wavelength range between 250 and 450 nanometers, and an anisotropic fluorescent thin crystal film (AF TCF) placed on at least one element of the backlight system so that it is on a light path of the light emitted by the light source. The anisotropic fluorescent thin crystal film is formed by rodlike supramolecules composed of disc-shaped molecules of at least one polycyclic organic compound with conjugated ?-system, emitting polarized visible light when irradiated by light from said wavelength range.
    Type: Grant
    Filed: July 12, 2004
    Date of Patent: July 7, 2009
    Assignee: Nitto Denko Corporation
    Inventors: Pavel I. Lazarev, Michael V. Paukshto
  • Publication number: 20090161037
    Abstract: The present invention relates generally to backlight modules for display devices and liquid crystal displays incorporating the same, and more particularly, to a backlight module for generating light with a single polarization state. The present invention provides a backlight module, comprising an optical cavity for reflecting and depolarizing light that is incident upon a front surface of said optical cavity and a multilayer polarizer comprising a plurality of layers. Said multilayer polarizer faces the front surface of the optical cavity and the layers are arranged in such a way that a light of polarization substantially parallel to the transmission axis of said multilayer polarizer is substantially transmitted and the light of substantially orthogonal polarization is substantially reflected by said multilayer polarizer in at least one predetermined wavelength subrange of the visible wavelength range.
    Type: Application
    Filed: April 13, 2007
    Publication date: June 25, 2009
    Applicant: Crysoptix KK
    Inventor: Pavel I. Lazarev
  • Publication number: 20090039321
    Abstract: The present invention provides an optically anisotropic composite film material possessing improved working characteristics, including hydrolytic stability and mechanical strength with respect to environmental factors. These and other advantages of the present invention may be achieved by creating a supramolecular composite film material. This supramolecular composite film material comprises a matrix of thin crystal film composed of organic supramolecules containing polar groups, and a binding agent representing a water-soluble aliphatic compound containing at least two functional groups. The present invention further provides a method for manufacturing supramolecular composite film materials possessing these advantageous properties.
    Type: Application
    Filed: October 1, 2008
    Publication date: February 12, 2009
    Applicant: NITTO DENKO CORPORATION
    Inventors: Alexander S. Grodsky, Alexander F. Krivoschepov, Pavel I. Lazarev
  • Publication number: 20090040431
    Abstract: The present invention relates to a liquid crystal display panel with improved image contrast comprising an array of pixel regions and a sequence of a recycling backlight structure comprising broadband rear interference polar (RI-Polar) having a transmission axis AB with preset orientation, a spatial intensity modulation structure comprising a broadband front interference polar (FI-Polar) having a transmission axis approximately parallel to the transmission axis AB, a spectral filtering structure, and antireflection means. Each said pixel region spatially encompasses a plurality of subpixel regions. The RI-Polar and FI-Polar are multilayer structures of stacked layers. At least one layer of each structure is optically anisotropic, made by means of Cascade Crystallization Process and characterized by a globally ordered biaxial crystalline structure with an intermolecular spacing of 3.4±0.3 ? in the direction approximately parallel to the transmission axis AB.
    Type: Application
    Filed: October 1, 2008
    Publication date: February 12, 2009
    Applicant: NITTO DENKO CORPORATION
    Inventors: Pavel I. Lazarev, Michael V. Paukshto
  • Publication number: 20090034073
    Abstract: The present invention relates generally to the field of multilayer polarizer, in particular, to the polarizer designed to polarize selected wavelengths of light by optical interference and reflectance. The multilayer polarizer comprises a plurality of layers located on the substrate. The layers and the substrate are transparent in at least one predetermined wavelength subrange of the wavelength band in the range from 200 to 2500 nm. The layers are arranged in such a way that a light of first polarization is substantially reflected while a light of second polarization is substantially transmitted through the multilayer polarizer. At least one of said layers is formed by rod-like supramolecules that at least partially form a three-dimensional structure in the layer.
    Type: Application
    Filed: January 23, 2007
    Publication date: February 5, 2009
    Applicant: CRYSOPTIX KK
    Inventor: Pavel I. Lazarev
  • Patent number: 7456915
    Abstract: The present invention relates to a liquid crystal display panel with improved image contrast comprising an array of pixel regions and a sequence of a recycling backlight structure comprising broadband rear interference polar (RI-Polar) having a transmission axis AB with preset orientation, a spatial intensity modulation structure comprising a broadband front interference polar (FI-Polar) having a transmission axis approximately parallel to the transmission axis AB, a spectral filtering structure, and antireflection means. Each said pixel region spatially encompasses a plurality of subpixel regions. The RI-Polar and FI-Polar are multilayer structures of stacked layers. At least one layer of each structure is optically anisotropic, made by means of Cascade Crystallization Process and characterized by a globally ordered biaxial crystalline structure with an intermolecular spacing of 3.4±0.3 ? in the direction approximately parallel to the transmission axis AB.
    Type: Grant
    Filed: March 2, 2005
    Date of Patent: November 25, 2008
    Assignee: Nitto Denko Corporation
    Inventors: Pavel I. Lazarev, Michael V. Paukshto