Patents Assigned to ROLIC Technologies AG
  • METHOD OF GENERATING A SPATIALLY LIMITED FILM STACK ON A LIGHT SENSOR ELEMENT
    Publication number: 20240125993
    Abstract: SUMMARY The present invention relates to a method for manufacturing a spatially limited film stack comprising an optically anisotropic film on an optical sensor device with a light sensor element, such that the film stack covers the light sensor element but not the entire surface area of the optical sensor device. An electronic device manufactured according to the method of the invention can be used for analyzing the polarization state of light.
    Type: Application
    Filed: January 26, 2022
    Publication date: April 18, 2024
    Applicant: ROLIC TECHNOLOGIES AG
    Inventors: David PIRES, Richard FRANTZ
  • Liquid crystal compounds
    Patent number: 11959005
    Abstract: The invention relates to novel polymerizable liquid crystals of formula (I), to LCP mixtures comprising these compounds and to their uses for optical and electro-optical devices: with the proviso the at least one of the polymerisable groups G1 or G2 is a naphthalenediyl group.
    Type: Grant
    Filed: March 16, 2020
    Date of Patent: April 16, 2024
    Assignee: ROLIC TECHNOLOGIES AG
    Inventor: Sabrina Chappellet
  • Compositions of polymerizable liquid crystals
    Patent number: 11952524
    Abstract: The invention relates to novel compositions comprising at least two anisotropic compounds of formula as well as to liquid crystalline networks, films and electro-optical devices comprising the compositions.
    Type: Grant
    Filed: August 24, 2020
    Date of Patent: April 9, 2024
    Assignee: ROLIC TECHNOLOGIES AG
    Inventors: Sabrina Chappellet, Richard Frantz
  • Azimuthally modulated scattering device
    Patent number: 11921303
    Abstract: Optical elements with anisotropic, patterned surface relief microstructures in which information is encoded in the distribution of the orientation of different zones. From the analysis of the distribution of the light scattered from the element, the orientation distribution in the element and therefore the encoded information can be evaluated. The elements are particularly useful for securing documents and articles against counterfeiting and falsification.
    Type: Grant
    Filed: February 23, 2021
    Date of Patent: March 5, 2024
    Assignee: ROLIC TECHNOLOGIES AG
    Inventors: David Pires, Mohammed Ibn-Elhaj
  • Photoaligning polymer materials
    Patent number: 11874563
    Abstract: The present invention relates to novel photoaligning polymer materials, to their use as orienting layer for liquid crystals, which are used for the production of non-structured and structured optical elements, electro-optical elements, multi-layer systems or in nanoelectronics.
    Type: Grant
    Filed: August 8, 2018
    Date of Patent: January 16, 2024
    Assignee: ROLIC TECHNOLOGIES AG
    Inventors: Cedric Klein, Fabien Xavier Delbaere, Richard Frantz
  • Polymerizable liquid crystal
    Patent number: 11702595
    Abstract: The invention relates to novel anisotropic compounds of formula as well as to liquid crystalline mixtures, films and electro-optical devices comprising the compound.
    Type: Grant
    Filed: June 26, 2020
    Date of Patent: July 18, 2023
    Assignee: ROLIC TECHNOLOGIES AG
    Inventor: Sabrina Chappellet
  • Photoaligning materials
    Patent number: 11634544
    Abstract: The present invention relates to siloxane polymer, copolymer or oligomer for the photoalignment of liquid crystals, especially for the planar orientation of liquid crystals, and which derives from at least one monomer of formula (I), to compositions thereof, to a process for the preparation of the linear, branched or crosslinked siloxane polymer, and to its use for optical and electro optical devices, such as liquid crystal devices (LCDs):
    Type: Grant
    Filed: June 16, 2021
    Date of Patent: April 25, 2023
    Assignee: ROLIC TECHNOLOGIES AG
    Inventor: Sabrina Chappellet
  • Photoalignment composition for the stabilization of the pre-tilt angle in liquid crystal layers
    Patent number: 11561440
    Abstract: The present invention relates to a photoalignment composition for the alignment of liquid crystals and the stabilization of the pre-tilt angle in liquid crystal layers. Further the present invention relates to the liquid crystal alignment film and coating layer prepared from the said composition and the use to fabricate optical and electrooptical elements and devices.
    Type: Grant
    Filed: February 27, 2018
    Date of Patent: January 24, 2023
    Assignee: ROLIC TECHNOLOGIES AG
    Inventors: Jean-Francois Eckert, I. -E. Sophie Blattmann, Yuichiro Yamada, Masato Hoshino, Qian Tang
  • COMPOSITIONS OF POLYMERIZABLE LIQUID CRYSTALS
    Publication number: 20220298418
    Abstract: The invention relates to novel compositions comprising at least two anisotropic compounds of formula as well as to liquid crystalline networks, films and electro-optical devices comprising the compositions.
    Type: Application
    Filed: August 24, 2020
    Publication date: September 22, 2022
    Applicant: ROLIC TECHNOLOGIES AG
    Inventors: Sabrina CHAPPELLET, Richard FRANTZ
  • NEW POLYMERIZABLE LIQUID CRYSTAL HAVING A CARBAZOLE CORE
    Publication number: 20220259148
    Abstract: The invention relates to novel anisotropic compounds of formula as well as to liquid crystalline mixtures, films and electro-optical devices comprising the compound.
    Type: Application
    Filed: June 26, 2020
    Publication date: August 18, 2022
    Applicant: ROLIC TECHNOLOGIES AG
    Inventors: Shinnosuke YAMAUCHI, Fabien NEKELSON, Sabrina CHAPPELLET
  • NEW POLYMERIZABLE LIQUID CRYSTAL HAVING A QUINOXALINE-HYDRAZONE CORE
    Publication number: 20220251450
    Abstract: The invention relates to novel anisotropic compounds of formula (I) as well as liquid crystalline mixtures, films and electro-optical devices comprising the compound.
    Type: Application
    Filed: June 26, 2020
    Publication date: August 11, 2022
    Applicant: ROLIC TECHNOLOGIES AG
    Inventors: Shinnosuke YAMAUCHI, Fabien NEKELSON, Sabrina CHAPPELLET
  • NEW POLYMERIZABLE LIQUID CRYSTAL
    Publication number: 20220228063
    Abstract: The invention relates to novel anisotropic compounds of formula as well as to liquid crystalline mixtures, films and electro-optical devices comprising the compound.
    Type: Application
    Filed: June 26, 2020
    Publication date: July 21, 2022
    Applicant: ROLIC TECHNOLOGIES AG
    Inventor: Sabrina CHAPPELLET
  • PHOTO-ALIGNABLE POSITIVE C-PLATE RETARDER
    Publication number: 20220163853
    Abstract: The present invention relates to material compositions and methods for generating photo-alignable positive c-plate retarders. Because a planar alignment direction can be induced in the surface of the above c-plate retarder by exposure to polarized light, a slave material can be aligned on the surface of the c-plate retarder with a defined azimuthal orientation direction, without the need of an additional orientation layer.
    Type: Application
    Filed: July 20, 2020
    Publication date: May 26, 2022
    Applicant: ROLIC TECHNOLOGIES AG
    Inventors: David PIRES, Richard FRANTZ
  • METHOD FOR THE PREPARATION OF PHOTOALIGNING POLYMER MATERIALS AND COMPOSITIONS
    Publication number: 20220145182
    Abstract: The present invention relates to a novel method for the preparation of photoaligning polymer materials comprising aryl acrylic acid ester groups, to photoalignment compositions obtained by this process, to the use of the composition as orienting layer for liquid crystals and to non-structured and structured optical elements, electro-optical elements, multi-layer systems or in nanoelectronics comprising the compositions.
    Type: Application
    Filed: February 5, 2020
    Publication date: May 12, 2022
    Applicant: ROLIC TECHNOLOGIES AG
    Inventors: David PIRES, Cédric KLEIN, Richard FRANTZ
  • LIQUID CRYSTAL COMPOUNDS
    Publication number: 20220127531
    Abstract: The invention relates to novel polymerizable liquid crystals of formula (I), to LCP mixtures comprising these compounds and to their uses for optical and electro-optical devices: with the proviso the at least one of the polymerisable groups G1 or G2 is a naphthalenediyl group.
    Type: Application
    Filed: March 16, 2020
    Publication date: April 28, 2022
    Applicant: ROLIC TECHNOLOGIES AG
    Inventor: Sabrina CHAPPELLET
  • METHOD FOR GENERATING ALIGNMENT ON TOP OF A LIQUID CRYSTAL POLYMER MATERIAL
    Publication number: 20220035086
    Abstract: The present invention relates to a method for manufacturing an optical element including a layer comprising anisotropic optical function and alignment capability. The layer is formed from a composition comprising polymerizable liquid crystals and one or more photo-orientable substances. Alignment on top of the layer is achieved by exposure to linearly polarized light.
    Type: Application
    Filed: October 19, 2021
    Publication date: February 3, 2022
    Applicant: ROLIC TECHNOLOGIES AG
    Inventors: Fabien Xavier DELBAERE, Richard Frantz, Qian Tang, Jean-Francois Eckert, Patricia Scandiucci De Freitas, Hubert Seiberle
  • Method for generating alignment on top of a liquid crystal polymer material
    Patent number: 11181674
    Abstract: The present invention relates to a method for manufacturing an optical element including a layer comprising anisotropic optical function and alignment capability. The layer is formed from a composition comprising polymerizable liquid crystals and one or more photo-orientable substances. Alignment on top of the layer is achieved by exposure to linearly polarized light.
    Type: Grant
    Filed: July 20, 2017
    Date of Patent: November 23, 2021
    Assignee: ROLIC TECHNOLOGIES AG
    Inventors: Fabien Xavier Delbaere, Richard Frantz, Qian Tang, Jean-Francois Eckert, Patricia Scandiucci De Freitas, Hubert Seiberle
  • PHOTOALIGNING MATERIALS
    Publication number: 20210340330
    Abstract: The present invention relates to siloxane polymer, copolymer or oligomer for the photoalignment of liquid crystals, especially for the planar orientation of liquid crystals, and which derives from at least one monomer of formula (I), to compositions thereof, to a process for the preparation of the linear, branched or crosslinked siloxane polymer, and to its use for optical and electro optical devices, such as liquid crystal devices (LCDs):
    Type: Application
    Filed: June 16, 2021
    Publication date: November 4, 2021
    Applicant: ROLIC TECHNOLOGIES AG
    Inventor: Sabrina CHAPPELLET
  • Photoaligning materials
    Patent number: 11098164
    Abstract: The present invention relates to siloxane polymer, copolymer or oligomer for the photoalignment of liquid crystals, especially for the planar orientation of liquid crystals, and which derives from at least one monomer of formula (I), to compositions thereof, to a process for the preparation of the linear, branched or crosslinked siloxane polymer, and to its use for optical and electro optical devices, such as liquid crystal devices (LCDs):
    Type: Grant
    Filed: March 31, 2020
    Date of Patent: August 24, 2021
    Assignee: ROLIC TECHNOLOGIES AG
    Inventor: Sabrina Chappellet
  • AZIMUTHALLY MODULATED SCATTERING DEVICE
    Publication number: 20210173130
    Abstract: Optical elements with anisotropic, patterned surface relief microstructures in which information is encoded in the distribution of the orientation of different zones. From the analysis of the distribution of the light scattered from the element, the orientation distribution in the element and therefore the encoded information can be evaluated. The elements are particularly useful for securing documents and articles against counterfeiting and falsification.
    Type: Application
    Filed: February 23, 2021
    Publication date: June 10, 2021
    Applicant: ROLIC TECHNOLOGIES AG
    Inventors: David PIRES, Mohammed IBN-ELHAJ