Patents Assigned to Rolic AG
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Patent number: 8054411Abstract: This invention relates to a birefringent layer, wherein the direction of the optical axis varies along the thickness direction of the layer, comprising I) (i) a liquid crystal monomer or pre-polymer having polymerisable groups; and (ii) a monomer or oligomer or polymer having photo-orientable groups, and/or (iii) a liquid crystal monomer or pre-polymer, oligomer or polymer having photo-orientable and polymerisable groups, and (iv) and optionally further components, or II) (v) a liquid crystal monomer or pre-polymer, oligomer or polymer having photo-orientable and polymerisable groups, and (vi) and optionally further components, in addition, this invention relates to a method for the preparation of the birefringent layer, its uses and optical components thereof.Type: GrantFiled: September 7, 2007Date of Patent: November 8, 2011Assignee: Rolic AGInventors: Thomas Bachels, Carsten Benecke, Hubert Seiberle
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Patent number: 8053039Abstract: The present invention is directed towards polymerizable dichroic azo dyes comprising azo-chromophores having at least one standard mesogenic ring system attached to said chromophores and at least one polymerizable group leading to dyes having sufficient solubilty and a very high order parameter.Type: GrantFiled: March 23, 2004Date of Patent: November 8, 2011Assignee: Rolic AGInventors: Thomas Peglow, Franco Moia, Zoubair Mohammed Cherkaoui, Mario Schwab
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Patent number: 8029135Abstract: The invention relates to polarized and abrasion-resistant article comprising: a) a polarized layer applied to a substrate, said polarized layer including an oriented liquid crystal polymer layer (LCP) including at least one dichroic dye, said liquid crystal layer being coated on a photo-orientation layer, and b) an abrasion-resistant coating applied to the polarized layer on said substrate. The invention also relates to a process for manufacturing said articles, and to the use of the above-mentioned article for the manufacturing of optic glasses or lenses.Type: GrantFiled: May 4, 2005Date of Patent: October 4, 2011Assignees: Essilor International (compagnie Generale D'optique), Rolic AGInventors: Claudine Biver, Sylvette Maisonnier, Thomas Bachels, Noémie Lesartre
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Publication number: 20110236602Abstract: Diamine compounds, which in particular are useful as precursors for the production of liquid crystal alignment layers, are represented by the general formula I: wherein A1 represents an organic group of 1 to 40 carbon atoms; A2 represents a hydrogen atom or an organic group of 1 to 40 carbon atoms.Type: ApplicationFiled: June 13, 2011Publication date: September 29, 2011Applicant: ROLIC AGInventors: Guy MARCK, Olivier MULLER
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Patent number: 7994273Abstract: Diamine compounds, which in particular are useful as precursors for the production of liquid crystal alignment layers, are represented by the general formula I: wherein A1 represents an organic group of 1 to 40 carbon atoms; A2 represents a hydrogen atom or an organic group of 1 to 40 carbon atoms.Type: GrantFiled: May 14, 2010Date of Patent: August 9, 2011Assignee: Rolic AGInventors: Guy Marck, Olivier Muller
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Patent number: 7959990Abstract: The present invention concerns functionalized photoreactive compounds of formula (I), that are particularly useful in materials for the alignment of liquid crystals. Due to the adjunction of an electron withdrawing group to specific molecular systems bearing an unsaturation directly attached to two unsaturated ring systems, exceptionally high photosensitivities, excellent alignment properties as well as good mechanical robustness could be achieved in materials comprising said functionalized photoreactive compounds of the invention.Type: GrantFiled: September 15, 2006Date of Patent: June 14, 2011Assignee: Rolic AGInventors: Zoubair Mohammed Cherkaoui, Peggy Studer, Joachim Reichardt, Hubert Seiberle
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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: 20100272979Abstract: Diamine compounds, which in particular are useful as precursors for the production of liquid crystal alignment layers, are represented by the general formula I: wherein A1 represents an organic group of 1 to 40 carbon atoms; A2 represents a hydrogen atom or an organic group of 1 to 40 carbon atoms.Type: ApplicationFiled: May 14, 2010Publication date: October 28, 2010Applicant: Rolic AGInventors: Guy Marck, Olivier Muller
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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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Patent number: 7811642Abstract: The present invention is directed towards polymerizable dichromophoric dichroic azo dyes comprising azo-chromophores to which polymerizable groups are attached leading to dyes having sufficient solubility in combination with high coloring power and high order parameter.Type: GrantFiled: April 26, 2005Date of Patent: October 12, 2010Assignee: Rolic AGInventors: Thomas Peglow, Zoubair Cherkaoui, Franco Moia
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Patent number: 7750185Abstract: Diamine compounds, which in particular are useful as precursors for the production of liquid crystal alignment layers, represented by general formula (I), wherein A1 represents an organic group of 1 to 40 carbon atoms; A2 represents a hydrogen atom or an organic group of 1 to 40 carbon atoms.Type: GrantFiled: July 25, 2003Date of Patent: July 6, 2010Assignee: Rolic AGInventors: Guy Marck, Olivier Muller
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Patent number: 7687118Abstract: A diamine compound is proposed as well as polymers, copolymers, polyamic acids, polyamic acid esters, or polyimides based on such compound. The compound is represented by one of the general formulae (Ia) and (Ib). It could be shown that such structures, in particular for a specific choice of the residue B, provide, if e.g. used as orientation layers, a photostable, vertically aligning material with an improved VHR.Type: GrantFiled: October 5, 2005Date of Patent: March 30, 2010Assignee: Rolic AGInventors: Zoubair Mohammed Cherkaoui, Thomas Bachels, Guy Marck, Olivier Müller, Andreas Schuster, Hubert Seiberle
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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
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Publication number: 20100048849Abstract: A 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: February 25, 2010Applicant: Rolic AGInventors: Jean-Francois Eckert, Guy Marck, Oliver Muller
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Publication number: 20100026935Abstract: This invention relates to a birefringent layer, wherein the direction of the optical axis varies along the thickness direction of the layer, comprising I) (i) a liquid crystal monomer or pre-polymer having polymerisable groups; and (ii) a monomer or oligomer or polymer having photo-orientable groups, and/or (iii) a liquid crystal monomer or pre-polymer, oligomer or polymer having photo-orientable and polymerisable groups, and (iv) and optionally further components, or II) (v) a liquid crystal monomer or pre-polymer, oligomer or polymer having photo-orientable and polymerisable groups, and (vi) and optionally further components, in addition, this invention relates to a method for the preparation of the birefringent layer, its uses and optical components thereof.Type: ApplicationFiled: September 7, 2007Publication date: February 4, 2010Applicant: ROLIC AGInventors: Thomas Bachels, Carsten Benecke, Hubert Seiberle
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Patent number: 7632906Abstract: Composition comprising at least one ethylenically unsaturated monomer to which a photochemically isomerizable or dimerizable molecule is covalently bonded, and at least one ethylenically unsaturated monomer to which a sensitizer is covalently bonded, are outstandingly suitable for producing polymeric alignment layers for liquid crystals.Type: GrantFiled: July 8, 2004Date of Patent: December 15, 2009Assignee: Rolic AGInventors: Peggy Studer, Richard Stossel, Patrick Scheifele, Yonetatsu Matsumoto
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Publication number: 20090179418Abstract: The present invention relates to an element comprising a surface area with a specific, optically effective surface relief microstructure (12). The surface relief microstructure has a surface modulation of top regions (13) and bottom regions (14), wherein in a first lateral direction of the surface area there is in average at least one transition from a top to a bottom region or vice versa within every 20 micrometer, and in a second lateral direction of the mask, which is perpendicular to the first direction, there is in average at least one transition from a first to a second zone or vice versa within every 200 micrometer. In the microstructure, (i) in the first direction the lateral arrangement of the transitions is non-periodic, and (ii) the top regions substantially lie in the same top relief plateau (15) and the bottom regions substantially lie in the same bottom relief plateau (16).Type: ApplicationFiled: May 7, 2007Publication date: July 16, 2009Applicant: Rolic AGInventor: Martin Stalder
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Patent number: 7514514Abstract: A novel photoactive copolymer and its use as orientation layers for liquid crystals and in the construction of unstructured and structured optical elements and multilayer systems. The copolymer contains side chains incorporating photoreactive groups and simultaneously side chains of general formula (I) wherein the total number of rings, including the number of rings in optionally present condensed systems is at least two and at most six; wherein the broken line symbolizes the point of linkage to the polymer main chain; and wherein the variables are defined in the disclosure.Type: GrantFiled: December 28, 2001Date of Patent: April 7, 2009Assignee: Rolic AGInventors: Richard Buchecker, Guy Marck, Olivier Muller, Hubert Seiberle, Andreas Schuster
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Patent number: 7491752Abstract: Photoreactive dendrimers comprising a core portion, branching units and terminal groups, wherein at least one terminal group and/or branching unit is a photoreactive group and wherein the photo reactive groups include preferably cinnamates, coumarins, benzylidenephthalimidines, benzylideneacetophenones, diphenylacetylenes stilbazoles, uracyl, quinolinone, maleinimides, or cinnamylidene acetic acid derivatives and are able to undergo photocyclization, in particular [2+2]-photocyclization.Type: GrantFiled: July 15, 2002Date of Patent: February 17, 2009Assignee: Rolic AGInventors: Guy Marck, Hubert Seiberle, Mohammed Ibn-Elhaj