Patents by Inventor Qiong TONG

Qiong TONG 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).

  • Publication number: 20230407180
    Abstract: A polymerizable compound having absorption in the long UV wavelength range, a liquid-crystal (LC) medium comprising the polymerizable compound, and the use of the compound or LC medium for optical, electro-optical and electronic purposes, in particular in LC displays, especially in LC displays of the PSA (polymer sustained alignment) or SA (self-aligning) mode, an LC display of the PSA or SA mode comprising the compound or LC medium, and a process of manufacturing the LC display.
    Type: Application
    Filed: November 3, 2021
    Publication date: December 21, 2023
    Applicant: Merck Patent GmbH
    Inventors: Timo Uebel, Rocco Fortte, Qiong Tong, Chia-Sheng Hsieh, I-Hua Huang, Leo Weegels
  • Patent number: 11739266
    Abstract: The present invention relates to polymerisable compounds, to processes and intermediates for the preparation thereof, to liquid-crystal (LC) media comprising them, and to the use of the polymerisable compounds and LC media for optical, electro-optical and electronic purposes, in particular in LC displays, especially in LC displays of the polymer sustained alignment (PS, PSA) and self-aligning (SA) type.
    Type: Grant
    Filed: December 4, 2019
    Date of Patent: August 29, 2023
    Assignee: MERCK PATENT GMBH
    Inventors: Qiong Tong, Rocco Fortte, Helmut Haensel, Edward Plummer, Timo Uebel, Oliver Heppert
  • Patent number: 11718791
    Abstract: The present invention relates to polymerisable compounds, to processes and intermediates for the preparation thereof, to liquid-crystal (LC) media comprising them, and to the use of the polymerisable compounds and LC media for optical, electro-optical and electronic purposes, in particular in LC displays, especially in LC displays of the polymer sustained alignment type.
    Type: Grant
    Filed: March 6, 2018
    Date of Patent: August 8, 2023
    Assignee: MERCK PATENT GMBH
    Inventors: Dmitry Ushakov, Kaja Christina Deing, Qiong Tong
  • Patent number: 11685863
    Abstract: The present invention relates to polymerisable compounds, to processes and intermediates for the preparation thereof, to liquid-crystal (LC) media comprising them, and to the use of the polymerisable compounds and LC media for optical, electro-optical and electronic purposes, in particular in LC displays, especially in LC displays of the polymer sustained alignment (PS, PSA) and self-aligning (SA) type.
    Type: Grant
    Filed: February 14, 2020
    Date of Patent: June 27, 2023
    Assignee: MERCK PATENT GMBH
    Inventors: Helmut Haensel, Qiong Tong, Rocco Fortte, Edward Plummer, Thomas Eichhorn
  • Publication number: 20230007940
    Abstract: The present invention relates to a liquid-crystal (LC) medium comprising one or more polymerisable compounds and to the use of the LC medium for optical, electro-optical and electronic purposes, in particular in LC displays, especially in LC displays of the polymer sustained alignment (PS, PSA) or self-aligning (SA) type.
    Type: Application
    Filed: December 4, 2019
    Publication date: January 12, 2023
    Applicant: MERCKP PATENT GMBH
    Inventors: Helmut HAENSEL, Qiong TONG, Edward PLUMMER, Rocco FORTTE, Thomas EICHHORN
  • Publication number: 20230002678
    Abstract: The present invention relates to polymerisable compounds, to processes and intermediates for the preparation thereof, to liquid-crystal (LC) media comprising them, and to the use of the polymerisable compounds and LC media for optical, electro-optical and electronic purposes, in particular in LC displays, especially in LC displays of the polymer sustained alignment (PS, PSA) and self-aligning (SA) type.
    Type: Application
    Filed: December 4, 2019
    Publication date: January 5, 2023
    Applicant: MERCK PATENT GMBH
    Inventors: Qiong TONG, Rocco FORTTE, Helmut HAENSEL, Edward PLUMMER, Timo UEBEL, Oliver HEPPERT
  • Publication number: 20220380673
    Abstract: Liquid crystal mixtures containing a photoalignment component A) containing a photoreactive mesogen of formula I, a liquid-crystalline component B) containing one or more nematogenic compounds, and a polymerizable component C) containing one or more polymerizable compounds of formula P, Pa-Spa-(Ap)n2-Spb-Pb??P and a method of producing such LC media, the use of such media in LC devices, and LC devices containing such a LC medium, and further a process for the fabrication of such liquid crystal displays and the use of the liquid crystal mixtures for the fabrication of such liquid crystal display.
    Type: Application
    Filed: August 19, 2019
    Publication date: December 1, 2022
    Applicant: MERCK PATENT GMBH
    Inventors: Simon SIEMIANOWSKI, Helmut HAENSEL, Kristin MUELLER, Julia SPRANG, Izumi SAITO, Qiong TONG
  • Patent number: 11414599
    Abstract: The present invention relates to polymerizable compounds, to processes and intermediates for the preparation thereof, to liquid-crystal media comprising them, and to the use of the polymerizable compounds and liquid crystalline media for optical, electro-optical and electronic purposes, in particular in liquid crystalline displays, especially in liquid crystalline displays of the polymer sustained alignment type.
    Type: Grant
    Filed: April 22, 2020
    Date of Patent: August 16, 2022
    Assignee: MERCK PATENT GMBH
    Inventors: Qiong Tong, Nico Schwebel, Constanze Brocke, Kaja Christina Deing, Julian Vogt, Elisabeth Meyer
  • Patent number: 11359141
    Abstract: Polyfluorinated additives for use as components in liquid-crystal mixtures. Liquid-crystal mixtures which comprise these compounds. And liquid-crystal displays based on these liquid-crystal mixtures.
    Type: Grant
    Filed: December 5, 2017
    Date of Patent: June 14, 2022
    Assignee: MERCK PATENT GMBH
    Inventors: Peer Kirsch, Qiong Tong, Helga Haas, Kaja Christina Deing, Christoph Marten, Andreas Pohle, Reiner Friedrich
  • Publication number: 20220127532
    Abstract: The present invention relates to polymerisable compounds, to processes and intermediates for the preparation thereof, to liquid-crystal (LC) media comprising them, and to the use of the polymerisable compounds and LC media for optical, electro-optical and electronic purposes, in particular in LC displays, especially in LC displays of the polymer sustained alignment (PS, PSA) and self-aligning (SA) type.
    Type: Application
    Filed: February 14, 2020
    Publication date: April 28, 2022
    Applicant: MERCK PATENT GMBH
    Inventors: Helmut HAENSEL, Qiong TONG, Rocco FORTTE, Edward PLUMMER, Thomas EICHHORN
  • Patent number: 11312909
    Abstract: Polymerizable compounds, to processes and intermediates for the preparation thereof, liquid-crystal (LC) media comprising them, and the use of the polymerizable compounds and LC media for optical, electro-optical and electronic purposes, in particular in LC displays, especially in LC displays of the polymer sustained alignment type, or a stabilizers in LC media and LC displays.
    Type: Grant
    Filed: October 28, 2016
    Date of Patent: April 26, 2022
    Assignee: MERCK PATENT GMBH
    Inventors: Qiong Tong, Helga Haas, Alexander Hahn, Kaja Christina Deing, Christoph Marten
  • Patent number: 11299676
    Abstract: The present invention relates to a mixture comprising a not fully aromatic polymerisable compound and a polymerisable photoinitiator, to liquid-crystal (LC) media comprising them, and to the use of the polymerisable compounds and LC media for optical, electro-optical and electronic purposes, in particular in LC displays, especially in LC displays of the polymer sustained alignment type.
    Type: Grant
    Filed: September 26, 2018
    Date of Patent: April 12, 2022
    Assignee: Merck Patent GmbH
    Inventors: Qiong Tong, Dmitry Ushakov, Helga Haas, Steffen Gnauck, Thorsten Rachor, Sven Schuepfer, Simon Mundinger
  • Patent number: 11254872
    Abstract: Liquid crystal (LC) media comprising polymerisable compounds as further specified in the description and claims and a self-alignment additive for vertical alignment. The media are adapted for use in LC displays, especially in LC displays of the polymer-sustained alignment type.
    Type: Grant
    Filed: September 5, 2019
    Date of Patent: February 22, 2022
    Assignee: Merck Patent GmbH
    Inventors: Helmut Haensel, Steffen Gnauck, Qiong Tong, Sabrina Zeiss
  • Patent number: 11225606
    Abstract: The present invention relates to polymerizable compounds, to processes and intermediates for the preparation thereof, to liquid-crystal media comprising them, and to the use of the polymerizable compounds and liquid crystalline media for optical, electro-optical and electronic purposes, in particular in liquid crystalline displays, especially in liquid crystalline displays of the polymer sustained alignment type.
    Type: Grant
    Filed: May 1, 2019
    Date of Patent: January 18, 2022
    Assignee: MERCK PATENT GMBH
    Inventors: Qiong Tong, Nico Schwebel, Constanze Brocke, Kaja Deing, Julian Vogt, Elisabeth Meyer
  • Publication number: 20210348056
    Abstract: The present invention relates to polymerisable compounds, to processes and intermediates for the preparation thereof, to liquid-crystal (LC) media comprising them, and to the use of the polymerisable compounds and LC media for optical, electro-optical and electronic purposes, in particular in LC displays, especially in LC displays of the polymer sustained alignment type.
    Type: Application
    Filed: September 3, 2019
    Publication date: November 11, 2021
    Applicant: Merck Patent GmbH
    Inventors: Qiong TONG, Matthias BREMER, Patricia BECKER, Elizabeth Lekha KIETZKE, Marcel SCHMIDT
  • Publication number: 20210139781
    Abstract: The present invention relates to polymerisable compounds, to processes and intermediates for the preparation thereof, to liquid-crystal (LC) media comprising them, and to the use of the polymerisable compounds and LC media for optical, electro-optical and electronic purposes, in particular in LC displays, especially in LC displays of the polymer sustained alignment type.
    Type: Application
    Filed: March 6, 2018
    Publication date: May 13, 2021
    Applicant: MERCK PATENT GMBH
    Inventors: Dmitry USHAKOV, Kaja Christina DEING, Qiong TONG
  • Patent number: 10899852
    Abstract: The present invention relates to the use of hydrophilic compounds of the formula I as photopolymerisation initiators of polymerisable substance mixtures which comprise unsaturated compounds, or for the photochemical crosslinking of linear polymers, in which the parameters have the meaning indicated in Claim 1, to sealants for liquid-crystal displays which comprise the hydrophilic photoinitiators, to novel hydrophilic photoinitiators of the formula I, and to the liquid-crystal displays produced using these sealants.
    Type: Grant
    Filed: October 5, 2016
    Date of Patent: January 26, 2021
    Assignee: Merck Patent GmbH
    Inventors: Peer Kirsch, Qiong Tong, Alexander Hahn, Leo Weegels, Steffen Gnauck, Sven Schuepfer, Peter Leonhard, Claudia Enders
  • Publication number: 20200263091
    Abstract: The present invention relates to a mixture comprising a not fully aromatic polymerisabe compound and a polymerisable photoinitiator, to liquid-crystal (LC) media comprising them, and to the use of the polymerisable compounds and LC media for optical, electro-optical and electronic purposes, in particular in LC displays, especially in LC displays of the polymer sustained alignment type.
    Type: Application
    Filed: September 26, 2018
    Publication date: August 20, 2020
    Applicant: Merck Patent GmbH
    Inventors: Qiong TONG, Dmitry USHAKOV, Helga HAAS, Steffen GNAUCK, Thorsten RACHOR, Sven SCHUEPFER, Simon MUNDINGER
  • Patent number: 10741778
    Abstract: An electronic component (10) comprising a plurality of switching elements (1) which comprise, in this sequence, a first electrode (16), a molecular layer (18) bonded to a substrate, and a second electrode (20), where the molecular layer essentially consists of molecules (M) which contain a connecting group (V) and an end group (E) having a polar or ionic function, is suitable as memristive device for digital information storage.
    Type: Grant
    Filed: December 8, 2015
    Date of Patent: August 11, 2020
    Assignee: MERCK PATENT GMBH
    Inventors: Peer Kirsch, Qiong Tong, Andreas Ruhl, Marc Tornow, Achyut Bora
  • Publication number: 20200248078
    Abstract: The present invention relates to polymerizable compounds, to processes and intermediates for the preparation thereof, to liquid-crystal media comprising them, and to the use of the polymerizable compounds and liquid crystalline media for optical, electro-optical and electronic purposes, in particular in liquid crystalline displays, especially in liquid crystalline displays of the polymer sustained alignment type.
    Type: Application
    Filed: April 22, 2020
    Publication date: August 6, 2020
    Applicant: MERCK PATENT GMBH
    Inventors: Qiong TONG, Nico SCHWEBEL, Constanze BROCKE, Kaja Christina DEING, Julian VOGT, Elisabeth MEYER