Patents Assigned to Crysoptix, KK
-
Patent number: 9733406Abstract: 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: 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 acid 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: GrantFiled: September 16, 2014Date of Patent: August 15, 2017Assignee: CRYSOPTIX KKInventors: Tatyana Doutova, Pavel I. Lazarev, Elena N. Sidorenko
-
Patent number: 9212296Abstract: An organic compound has the general structural formula I. In the formula I, Core is a conjugated organic unit capable of forming a rod-like macromolecule, n is a number of the conjugated organic units in the rod-like macromolecule, Gk is a set of ionogenic side-groups, and k is a number of the side-groups in the set Gk. The set of the ionogenic side-groups provide solubility of the organic compound or its salts and give rigidity to the rod-like macromolecule. The number n provides molecule anisotropy that promotes self-assembling of macromolecules in a solution of the organic compound or its salts, forming lyotropic liquid crystal. The solution is capable of forming a solid optical retardation layer of positive A-type substantially transparent to electromagnetic radiation in the visible spectral range. An optical film based on an organic compound of the general formula I and a method of making same are also disclosed.Type: GrantFiled: December 17, 2013Date of Patent: December 15, 2015Assignee: CRYSOPTIX KKInventors: Irina Kasianova, Darya Yurchenko
-
Publication number: 20150062694Abstract: 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: 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 acid 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: ApplicationFiled: September 16, 2014Publication date: March 5, 2015Applicant: CRYSOPTIX KKInventors: Tatyana Doutova, Pavel I. Lazarev, Elena N. Sidorenko
-
Publication number: 20140334002Abstract: A patterned retarder includes at least one retardation plate comprising a substrate substantially transparent in visible spectral range and having front and rear surfaces and a set of parallel stripes located on front surface of the substrate and possessing in-plane retardation.Type: ApplicationFiled: April 7, 2014Publication date: November 13, 2014Applicant: CRYSOPTIX KKInventor: Pavel I. Lazarev
-
Publication number: 20140320961Abstract: An optical film comprising a substrate having front and rear surfaces, and at least one solid optical retardation layer on the front surface of the substrate, wherein the solid optical retardation layer comprises organic rigid rod-like macromolecules based on 2,2?-disulfo-4,4?-benzidine terephthalamide or its salt of the general structural formula I. The solid optical retardation layer is an uniaxial positive A-type layer and is substantially transparent to electromagnetic radiation in the visible spectral range.Type: ApplicationFiled: January 20, 2014Publication date: October 30, 2014Applicant: CRYSOPTIX KKInventor: Alexander Lazarev
-
Publication number: 20140186637Abstract: An organic compound has the general structural formula I. In the formula I, Core is a conjugated organic unit capable of forming a rod-like macromolecule, n is a number of the conjugated organic units in the rod-like macromolecule, Gk is a set of ionogenic side-groups, and k is a number of the side-groups in the set Gk. The set of the ionogenic side-groups provide solubility of the organic compound or its salts and give rigidity to the rod-like macromolecule. The number n provides molecule anisotropy that promotes self-assembling of macromolecules in a solution of the organic compound or its salts, forming lyotropic liquid crystal. The solution is capable of forming a solid optical retardation layer of positive A-type substantially transparent to electromagnetic radiation in the visible spectral range. An optical film based on an organic compound of the general formula I and a method of making same are also disclosed.Type: ApplicationFiled: December 17, 2013Publication date: July 3, 2014Applicant: CRYSOPTIX KKInventors: Irina Kasianova, Darya Yurchenko
-
Patent number: 8734952Abstract: The present invention relates generally to the field of organic chemistry and particularly to the optical retardation films for liquid crystal displays. The present invention provides an optical film comprising a substrate having front and rear surfaces, and at least one solid retardation layer on the front surface of the substrate.Type: GrantFiled: July 14, 2011Date of Patent: May 27, 2014Assignee: Crysoptix KKInventor: Ellina Kharatiyan
-
Publication number: 20130251947Abstract: The present invention relates generally to optical retardation films. The invention may be used as optical element in liquid crystal display (LCD) devices, particularly as phase-shifting component of LCDs of both reflection and transmission type, and in ant other field of science and technology where optical retardation films are applied such as architecture, automobile industry, decoration arts. The present invention provides an optical film comprising a substrate having front and rear surfaces, and at least one solid optical retardation layer on the front surface of the substrate. The solid optical retardation layer comprises organic rigid rod-like macromolecules based on 2,2?-disulfo-4,4?-benzidine terephthalamide-isophthalamide copolymer or its salt of the general structural formula I. The solid optical retardation layer is a negative C-type or Ac-type plate substantially transparent to electromagnetic radiation in the visible spectral range.Type: ApplicationFiled: February 8, 2013Publication date: September 26, 2013Applicant: CRYSOPTIX KKInventor: Alexander Lazarev
-
Patent number: 8512824Abstract: A composition includes at least one organic compound of a first type of the general formula I and at least one organic compound of a second type of the general structural formula II, wherein Core in formula I is a conjugated organic unit capable of forming a rigid rod-like macromolecule, Gk is a set of ionogenic side-groups providing solubility of the organic compound of the first type in a solvent and give rigidity to the rod-like macromolecule; and wherein Sys in formula II is an at least partially conjugated substantially planar polycyclic molecular system capable of forming board-like supramolecules via ?-?-interaction, and X, Y, Z and Q are substituents. The composition is capable of forming a lyotropic liquid crystal solution, which can form a solid retardation layer of biaxial type substantially transparent to electromagnetic radiation in the visible spectral range.Type: GrantFiled: August 14, 2009Date of Patent: August 20, 2013Assignee: Crysoptix KKInventors: Irina Kasianova, Ellina Kharatiyan
-
Patent number: 8416376Abstract: An in-plane switching type liquid crystal display comprising (a) first and second polarizing plates facing each other and spaced from each other; (b) a liquid crystal cell situated between said first and second polarizing plates; and (c) a compensation structure located between the liquid crystal cell and the first polarizing plate; wherein the director orientation of the liquid crystal layer being controlled by an electric field parallel to the polarizing plates; one said compensation structure is positioned between the liquid crystal cell and the first polarizing plate; the polarizing plates have transmission axes perpendicular to each other, and the compensation structure comprises at least one retardation layer of supramolecules involving at least one polycyclic organic compound with a conjugated ?-system and functional groups which are capable of forming non-covalent bonds between said supramolecules.Type: GrantFiled: May 19, 2008Date of Patent: April 9, 2013Assignee: Crysoptix KKInventor: Serguei Petrovich Palto
-
Publication number: 20130003178Abstract: The present invention relates generally to the field of organic chemistry and particularly to the circular polarization eyeglasses intended for viewing the image in 3D-TV and 3D-cinema.Type: ApplicationFiled: June 29, 2012Publication date: January 3, 2013Applicant: Crysoptix KKInventor: Pavel Ivan Lazarev
-
Publication number: 20120113380Abstract: The present invention relates generally to the field of organic chemistry and particularly to the nematic lyotropic liquid crystal solution and negative dispersion retardation plate for application in 3D liquid crystal displays. The negative dispersion retardation plate comprises a substrate, and at least one optically anisotropic retardation layer comprising a multi-component guest-host composition coated onto the substrate.Type: ApplicationFiled: November 6, 2011Publication date: May 10, 2012Applicant: Crysoptix KKInventors: Arthur Geivandov, Pavel Ivan Lazarev, Serguei Palto
-
Patent number: 8142863Abstract: In one aspect of the present invention there is provided an optically anisotropic compensation panel with spectrally controllable dispersion of refractive indices. The compensation panel comprises at least one optically anisotropic layer based on an ordered guest-host system. The guest-host system comprises an anisotropic host matrix including an organic compound transparent to electromagnetic radiation in the visible spectral range, and guest component having guest particles. In another aspect the present invention provides a method of producing an optically anisotropic compensation panel disclosed. And in yet another embodiment the present invention provides a liquid crystal display with the compensation panel disclosed.Type: GrantFiled: April 20, 2009Date of Patent: March 27, 2012Assignee: Crysoptix, KKInventor: Serguei Palto
-
Publication number: 20120013982Abstract: The present invention relates generally to the field of organic chemistry and particularly to the optical retardation films for liquid crystal displays. The present invention provides an optical film comprising a substrate having front and rear surfaces, and at least one solid retardation layer on the front surface of the substrate.Type: ApplicationFiled: July 14, 2011Publication date: January 19, 2012Applicant: Crysoptix KKInventor: Ellina Kharatiyan
-
Patent number: 8081270Abstract: 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: GrantFiled: April 13, 2007Date of Patent: December 20, 2011Assignee: Crysoptix, KKInventor: Pavel I. Lazarev
-
Publication number: 20110149206Abstract: The disclosed polarizer comprises at least one substrate made of a birefringent material, and a polarizing plate located on the substrate. The substrate possesses anisotropic property of positive A-type and has a slow optical axis parallel to the substrate surface. The polarizing plate possesses anisotropic absorption of the electromagnetic radiation in at least one subrange of the visible spectral range, and a transmission axis of the polarizing plate and the slow optical axis of the substrate are directed substantially parallel to each other.Type: ApplicationFiled: November 22, 2010Publication date: June 23, 2011Applicant: CRYSOPTIX KKInventor: Pavel I. Lazarev
-
Patent number: 7889297Abstract: The present invention relates generally to the field of liquid crystal display devices and more particularly to a liquid crystal display device operating in vertically aligned mode (VA-mode) in which liquid crystal molecules having a negative dielectric anisotropy are aligned generally perpendicularly to a panel surface of the liquid crystal display. A liquid crystal display according to the invention comprises a liquid crystal cell (6) of a vertical alignment mode, at least one polarizer (2, 10) arranged on each side of the liquid crystal cell, and at least one compensating structure (3, 7) disposed between the liquid crystal cell and at least one of the polarizers. The polarizers have transmission axes (11, 18) which are perpendicular to each other.Type: GrantFiled: June 6, 2007Date of Patent: February 15, 2011Assignee: Crysoptix, KKInventor: Serguei Petrovich Palto
-
Patent number: 7888505Abstract: 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: GrantFiled: January 15, 2007Date of Patent: February 15, 2011Assignee: Crysoptix, KKInventors: Tatyana Doutova, Pavel I. Lazarev, Elena N. Sidorenko, Valery S. Kuzmin
-
Publication number: 20100279122Abstract: 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: ApplicationFiled: August 16, 2007Publication date: November 4, 2010Applicant: CRYSOPTIX KKInventors: Alexey Nokel, Pavel I. Lazarev
-
Publication number: 20100233491Abstract: 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: ApplicationFiled: August 16, 2007Publication date: September 16, 2010Applicant: CRYSOPTIX KKInventors: Alexey Nokel, Pavel I. Lazarev