ROLIC AG Patent applications |
Patent application number | Title | Published |
20160083655 | CYANOSTILBENES - 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. | 03-24-2016 |
20150179976 | RADIATION CURABLE COMPOSITION FOR WATER SCAVENGING LAYER, AND METHOD OF MANUFACTURING THE SAME - A radiation curable resin composition comprising:
| 06-25-2015 |
20150125664 | TOPOLOGICALLY STRUCTURED POLYMER COATING - Sub-micron-structured (nanostructured) polymer film or coatings are made by coating a substrate with a mixture of materials. One of the materials is removed using a selective solvent, leaving pores or other nanostructure. The substrate may be grooved, providing a competing nanostructure. The coating may act as an antireflective coating, optical retarder, optical diffuser, or orientation layer. | 05-07-2015 |
20150109597 | FAST GENERATION OF ELEMENTS WITH INDIVIDUALLY PATTERNED ANISOTROPY - The present invention relates to an apparatus which allows producing elements with individually patterned anisotropic properties, where the pattern may vary from element to element. An apparatus according to the invention comprises a support for a substrate and an exposure unit for providing spatially modulated aligning light with a first polarization plane, wherein the exposure unit contains a light source, a spatial light modulator, which can be controlled electronically, for example by a computer, and a projection lens. The present invention furthermore relates to a method for fast production of elements with individually patterned anisotropic properties using such an apparatus. | 04-23-2015 |
20140340626 | OPTICAL ELEMENT - An element for protection against forgery and/or copying is arranged on a substrate and includes an optically anisotropic layer which has at least two regions with different optical axes, characterized in that the substrate is a reflective polarizer. The optically anisotropic layer can include cross-linked liquid crystal monomers. The anisotropic layer can be placed on an orientation layer. The orientation layer can be in contact with the polarizer and can include a photo-oriented polymer network. A device for protection against forgery and/or copying is characterized in that an element as set forth above and an analyzer are arranged on the same substrate. | 11-20-2014 |
20140249244 | PHOTOALIGNING MATERIALS - The present invention relates to polymer, homo- or copolymer or oligomer for the photoalignment of liquid crystals, especially for the planar orientation of liquid crystals, comprising a main chain and a side chain, wherein the side chain and/or main chain comprises a polar group, compositions thereof, and its use for optical and electro optical devices, especially liquid crystal devices (LCDs). | 09-04-2014 |
20140192305 | PHOTOREACTIVE COMPOUNDS - The present invention relates to photoreactive compounds that are particularly useful in materials for the alignment of liquid crystals. | 07-10-2014 |
20140162076 | PHOTOALIGNING MATERIAL - The present invention relates to a copolymer for the photoalignment of liquid crystals comprising a photoreactive group as given below in formula (I), compositions thereof, and its use for optical and electro optical devices, especially liquid crystal devices (LCDs). | 06-12-2014 |
20140106091 | OPTICALLY EFFECTIVE SURFACE RELIEF MICROSTRUCTURES AND METHOD OF MAKING THEM - The present invention relates to an element comprising a surface area with a specific, optically effective surface relief microstructure ( | 04-17-2014 |
20140002780 | OPTICAL ELEMENT | 01-02-2014 |
20130281564 | PHOTOACTIVE POLYMER MATERIALS - The present invention relates to novel photoactive polymer materials their use as orienting layer for liquid crystals, which are used for the production of non-structured and structured optical elements or electro-optical elements and multi-layer systems. | 10-24-2013 |
20130035446 | PHOTOALIGNING MATERIAL - The present invention relates to polymer, homo- or copolymer or oligomer for the photoalignment of liquid crystals comprising a main chain and a side chain, wherein the side chain comprises a difluoromethylene group, compositions thereof, and its use for optical and electro optical devices, especially liquid crystal devices (LCDs). | 02-07-2013 |
20130004679 | PHOTOCROSSLINKABLE MATERIALS - A diamine compound of formula (I) is proposed as well as polymers, copolymers, polyamic acids, polyamic acid esters, or polyimides based on such compound. | 01-03-2013 |
20120316317 | PHOTOALIGNING MATERIAL WITH LATERAL SUBSTITUTION - The present invention relates to photoaligning material with lateral substitution, compositions thereof, and its use for optical and electro optical devices, especially liquid crystal devices (LCDs). | 12-13-2012 |
20120114907 | ESTER GROUP CONTAINING LIQUID CRYSTALS FOR OPTICAL OR ELECTRO OPTICAL DEVICES - The invention relates to polymerisable liquid crystals compound (I) having a liquid crystalline phase and to liquid crystalline compositions comprising compounds (I), their use as birefringence layer. | 05-10-2012 |
20120076952 | PHOTOCROSSLINKABLE MATERIALS - A diamine compound of formula (I) is proposed as well as polymers, copolymers, polyamic acids, polyamic acid esters, or polyimides based on such compound. | 03-29-2012 |
20120027998 | SURFACE RELIEF MICROSTRUCTURES, RELATED DEVICES AND METHOD OF MAKING THEM - The present invention relates to a method for the replication of a patterned surface relief microstructure, comprising the steps of generation of a first layer with a patterned surface relief microstructure, generation of a master, by copying the microstructure of the first layer into a second layer, thereby involving at least one dry or wet etching step, characterized by an additional step, in which the microstructure of the master is brought into contact with a replica material, such that the microstructure of the master is reproduced in the replica. | 02-02-2012 |
20110236602 | PHOTOACTIVE MATERIALS - Diamine compounds, which in particular are useful as precursors for the production of liquid crystal alignment layers, are represented by the general formula I: | 09-29-2011 |
20110065859 | THERMALLY STABLE ALIGNMENT MATERIALS - 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. | 03-17-2011 |
20100272979 | PHOTOACTIVE MATERIALS - Diamine compounds, which in particular are useful as precursors for the production of liquid crystal alignment layers, are represented by the general formula I: | 10-28-2010 |
20100266821 | FUNCTIONALIZED PHOTOREACTIVE COMPOUNDS - 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. | 10-21-2010 |
20100266814 | PHOTOALIGNMENT COMPOSITION - The present invention relates to a photoalignment composition comprising
| 10-21-2010 |
20100059709 | PATTERNABLE LIQUID CRYSTAL POLYMER COMPRISING THIO-ETHER UNITS - 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) | 03-11-2010 |
20100048849 | PHOTOCROSSLINKABLE MATERIALS COMPRISING ALICYCLIC GROUP - A diamine compound of formula (I) is proposed as well as polymers, copolymers, polyamic acids, polyamic acid esters, or polyimides based on such compound. | 02-25-2010 |
20100026935 | VOLUME PHOTO-ALIGNED RETARDER - This invention relates to a birefringent layer, wherein the direction of the optical axis varies along the thickness direction of the layer, comprising
| 02-04-2010 |
20090179418 | OPTICALLY EFFECTIVE SURFACE RELIEF MICROSTRUCTURES AND METHOD OF MAKING THEM - The present invention relates to an element comprising a surface area with a specific, optically effective surface relief microstructure ( | 07-16-2009 |
20080293888 | Photocrosslinkable Materials - A diamine compound of formula (I) is proposed as well as polymers, copolymers, polyamic acids, polyamic acid esters, or polyimides based on such compound. | 11-27-2008 |