Patents by Inventor Izabela Bury
Izabela Bury 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: 10558089Abstract: The present invention relates to a photoalignment composition comprising a) 0.001 to 20%, by weight; preferably, 1 to 10% by weight, more preferably 1 to 9% by weight of at least one photoreactive compound (I) that comprises a photoalignment group and b) 80 to 99.999% by weight, preferably, 90 to 99% by weight, more preferably 91 to 99% by weight of at least one compound (II) that does not comprise a photoalignment group, and c) optionally at least one reactive or non reactive additives, and d) optionally at least one solvent. Further, the present invention relates to the use of this photoalignment composition for the alignment of liquid crystals or liquid crystal polymers, in electro-optical and optical elements, systems and devices.Type: GrantFiled: May 23, 2017Date of Patent: February 11, 2020Assignee: ROLIC AGInventors: Izabela Bury, Fabien Xavier Delbaere, Olivier Muller, Joachim Reichardt, Hubert Seiberle, Peggy Studer, Satish Palika
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Patent number: 10329486Abstract: The present invention relates to novel compounds that are particularly useful for the alignment, especially photoalignment, of slave material, especially liquid crystals for optical or electro-optical applications, such as security applications, liquid crystal devices or optical or electro-optical films.Type: GrantFiled: May 22, 2014Date of Patent: June 25, 2019Assignee: ROLIC AGInventors: Izabela Bury S. Pires, Sabrina Chappellet, Mohammed Ibn-Elhaj, Frederic Lincker
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Publication number: 20170362381Abstract: A thermally stable diamine compound of formula (I?) is proposed as well as polymers, copolymers, polyamic acids, polyamic acid esters, or polyimides based on such compound. Also, a process of preparing orientation layers for liquid crystals including preparing orientation layers for liquid crystals from thermally stable alignment materials comprising diamine compounds of formula (I?).Type: ApplicationFiled: September 6, 2017Publication date: December 21, 2017Applicant: ROLIC AGInventors: Izabela BURY, Guy MARCK, Satish PALIKA, Peggy STUDER
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Publication number: 20170255064Abstract: The present invention relates to a photoalignment composition comprising a) 0.001 to 20%, by weight; preferably, 1 to 10% by weight, more preferably 1 to 9% by weight of at least one photoreactive compound (I) that comprises a photoalignment group and b) 80 to 99.999% by weight, preferably, 90 to 99% by weight, more preferably 91 to 99% by weight of at least one compound (II) that does not comprise a photoalignment group, and c) optionally at least one reactive or non reactive additives, and d) optionally at least one solvent. Further, the present invention relates to the use of this photoalignment composition for the alignment of liquid crystals or liquid crystal polymers, in electro-optical and optical elements, systems and devices.Type: ApplicationFiled: May 23, 2017Publication date: September 7, 2017Applicant: ROLIC AGInventors: Izabela BURY, Fabien Xavier DELBAERE, Olivier MULLER, Joachim REICHARDT, Hubert SEIBERLE, Peggy STUDER, Satish PALIKA
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Patent number: 9715144Abstract: The present invention relates to a photoalignment composition comprising a) 0.001 to 20%, by weight, preferably, 1 to 10% by weight, more preferably 1 to 9% by weight of at least one photoreactive compound (I) that comprises a photoalignment group and b) 80 to 99.999% by weight, preferably, 90 to 99% by weight, more preferably 91 to 99% by weight of at least one compound (II) that does not comprise a photoalignment group, and c) optionally at least one reactive or non reactive additives, and d) optionally at least one solvent. Further the present invention relates to the use of this photoalignment composition for the alignment of liquid crystals or liquid crystal polymers, in electro—optical and optical elements, systems and devices.Type: GrantFiled: December 17, 2008Date of Patent: July 25, 2017Assignee: ROLIC AGInventors: Izabela Bury, Fabien Xavier Delbaere, Olivier Muller, Joachim Reichardt, Hubert Seiberle, Peggy Studer, Satish Palika
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Patent number: 9499649Abstract: The present invention relates to a photoreactive compound for the preparation of a photoalignment material comprising thioether units, wherein the photoreactive compound is comprising at least one ene group and at least one photoalignment group, and further to a composition comprising at least one photoreactive compound and at least one polythiol, the use of this composition for the preparation of photoalignment materials, and their use for the alignment of liquid crystals or liquid crystal polymers, in electro-optical and optical elements, systems and devices.Type: GrantFiled: November 6, 2008Date of Patent: November 22, 2016Assignee: ROLIC AGInventors: Izabela Bury, Jean-Francois Eckert, Olivier Muller, Hubert Seiberle, Peggy Studer
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Patent number: 9366906Abstract: The present invention relates to photoreactive compounds that are particularly useful in materials for the alignment of liquid crystals.Type: GrantFiled: August 7, 2012Date of Patent: June 14, 2016Assignee: ROLIC AGInventors: Frederic Lincker, Izabela Bury S. Pires, Sabrina Chappellet, Patricia Scandiucci De Freitas, Mohammed Ibn-Elhaj, Qian Tang, Satish Palika, Masato Hoshino, Jean-Francois Eckert
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Publication number: 20160083655Abstract: The present invention relates to novel compounds that are particularly useful for the alignment, especially photoalignment, of slave material, especially liquid crystals for optical or electro-optical applications, such as security applications, liquid crystal devices or optical or electro-optical films.Type: ApplicationFiled: May 22, 2014Publication date: March 24, 2016Applicant: ROLIC AGInventors: Izabela BURY S. PIRES, Sabrina CHAPPELLET, Mohammed IBN-ELHAJ, Frédéric LINCKER
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Publication number: 20140192305Abstract: The present invention relates to photoreactive compounds that are particularly useful in materials for the alignment of liquid crystals.Type: ApplicationFiled: August 7, 2012Publication date: July 10, 2014Applicant: ROLIC AGInventors: Frederic Lincker, Izabela Bury S. Pires, Sabrina Chappellet, Patricia Scandiucci De Freitas, Mohammed Ibn-Elhaj, Qian Tang, Satish Palika, Masato Hoshino, Jean-Francois Eckert
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Patent number: 8574454Abstract: The present invention relates to a photo-polymerized, patterned or unpatterned liquid crystal polymer, especially a liquid crystal polymer film or a liquid crystal polymer network, comprising thio-ether units of formula (I) * covalent bond, which links the unit of formula (I) to the residue of the polymer wherein LC1 is selected from the group of liquid crystal residues, X1 is selected from the group of aliphatic organic residues, and n1 is an integer ?0 and m1 is an integer ?0; with the proviso that if n1 is 0, then m1 is >0, and if m1 is 0, then n1>0; which is prepared in an atmosphere containing oxygen, preferably with an amount of 0.1?oxygen?50%, more preferably 1?oxygen?25%, most preferably in air; with the proviso that polymer dispersed liquid crystals are excluded. Further, this invention relates to a composition used for the preparation of that photo-polymerized liquid crystal polymer of the invention, to processes of the preparation of that liquid crystal polymer and to its use.Type: GrantFiled: December 11, 2007Date of Patent: November 5, 2013Assignee: Rolic AGInventors: Thomas Bachels, Izabela Bury, Guy Marck, Hubert Seiberle, Peggy Studer, Stefano Tugulu
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Publication number: 20110065859Abstract: A thermally stable diamine compound of formula (I?) is proposed as well as polymers, copolymers, polyamic acids, polyamic acid esters, or polyimides based on such compound.Type: ApplicationFiled: April 10, 2008Publication date: March 17, 2011Applicant: ROLIC AGInventors: Izabela Bury, Guy Marck, Satish Palika, Peggy Studer
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Publication number: 20100266814Abstract: The present invention relates to a photoalignment composition comprising a) 0.001 to 20%, by weight, preferably, 1 to 10% by weight, more preferably 1 to 9% by weight of at least one photoreactive compound (I) that comprises a photoalignment group and b) 80 to 99.999% by weight, preferably, 90 to 99% by weight, more preferably 91 to 99% by weight of at least one compound (II) that does not comprise a photoalignment group, and c) optionally at least one reactive or non reactive additives, and d) optionally at least one solvent. Further the present invention relates to the use of this photoalignment composition for the alignment of liquid crystals or liquid crystal polymers, in electro-optical and optical elements, systems and devices.Type: ApplicationFiled: December 17, 2008Publication date: October 21, 2010Applicant: ROLIC AGInventors: Izabela Bury, Fabien Xavier Delbaere, Olivier Muller, Joachim Reichardt, Hubert Seiberle, Peggy Studer, Satish Palika
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Publication number: 20100266821Abstract: The present invention relates to a photoreactive compound for the preparation of a photoalignment material comprising thioether units, wherein the photoreactive compound is comprising at least one ene group and at least one photoalignment group, and further to a composition comprising at least one photoreactive compound and at least one polythiol, the use of this composition for the preparation of photoalignment materials, and their use for the alignment of liquid crystals or liquid crystal polymers, in electro-optical and optical elements, systems and devices.Type: ApplicationFiled: November 6, 2008Publication date: October 21, 2010Applicant: ROLIC AGInventors: Izabela Bury, Jean-Francois Eckert, Olivier Muller, Hubert Seiberle, Peggy Studer
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Publication number: 20100059709Abstract: The present invention relates to a photo-polymerized, patterned or unpatterned liquid crystal polymer, especially a liquid crystal polymer film or a liquid crystal polymer network, comprising thio-ether units of formula (I) * covalent bond, which links the unit of formula (I) to the residue of the polymer wherein LC1 is selected from the group of liquid crystal residues, X1 is selected from the group of aliphatic organic residues, and n1 is an integer ?0 and m1 is an integer ?0; with the proviso that if n1 is 0, then m1 is >0, and if m1 is 0, then n1>0; which is prepared in an atmosphere containing oxygen, preferably with an amount of 0.1?oxygen 50%, more preferably 1?oxygen?25%, most preferably in air; with the proviso that polymer dispersed liquid crystals are excluded. Further, this invention relates to a composition used for the preparation of that photo-polymerized liquid crystal polymer of the invention, to processes of the preparation of that liquid crystal polymer and to its use.Type: ApplicationFiled: December 11, 2007Publication date: March 11, 2010Applicant: ROLIC AGInventors: Thomas Bachels, Izabela Bury, Guy Marck, Hubert Seiberle, Peggy Studer, Stefano Tugulu