Patents by Inventor Mee Song

Mee Song 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).

  • Patent number: 11820932
    Abstract: A polymerisable LC material comprising at least one di- or multireactive mesogenic compound and at least one compound of formula CO-1, wherein R1, R2, L1, L2, L3, and n have the meanings as given in claim 1. Furthermore, a method for preparation of the LC material, a polymer film with improved thermal durability obtainable from the corresponding polymerisable LC material, a method of preparation of such polymer film, and the use of such polymer film and said polymerisable LC material for optical, electro-optical, decorative or security devices.
    Type: Grant
    Filed: September 25, 2017
    Date of Patent: November 21, 2023
    Assignee: Merck Patent GmbH
    Inventors: Dong-Mee Song, Yong-Hyun Choi, Jae-Hyun Kang, Yong-Kuk Yun
  • Patent number: 11466213
    Abstract: The invention relates to a liquid-crystalline medium having negative dielectric anisotropy comprising one or more compounds of formula I and one or more compounds selected from the group of the compounds of the formulae IIA, IIB and IIC, wherein the groups and parameters have the meanings indicated in claim 1, to a guest-host liquid crystal medium derived therefrom comprising one or more dichroic dyes and the use of said medium in devices such as light shutters, switchable windows, switchable mirrors and guest-host displays. The invention further relates to devices containing the liquid crystalline medium according to the invention.
    Type: Grant
    Filed: October 16, 2017
    Date of Patent: October 11, 2022
    Assignee: Merck Patent GmbH
    Inventors: Jung-Min Lee, Hyun-Woo Bae, Dong-Mee Song, Yong-Kuk Yun
  • Patent number: 11236271
    Abstract: The present invention relates to liquid crystalline (LC) medium, to a method of its production and to the use of such LC media in polymer network liquid crystalline (PNLC) light modulation elements operated in the normally transparent mode. Furthermore, the present invention relates to such light modulation elements, as such, to the use of such light modulation elements as light shutters for transparent OLED displays, to the use of such light modulation elements in smart windows, and to a method of production of such light modulation elements according to the present invention.
    Type: Grant
    Filed: September 4, 2017
    Date of Patent: February 1, 2022
    Assignee: Merck Patent GmbH
    Inventors: Dong-Mee Song, Hyun-Woo Bae, Jung-Min Lee, Yong-Kuk Yun
  • Patent number: 10934487
    Abstract: The invention relates to a liquid-crystalline medium which contains at least two polymerisable compounds or reactive mesogens (RM) and at least one compound selected from the group of compounds of the formula IIA, IIB and IIC, in which R2A, R2B, R2C, L1-6, ring B, Z2, Z2, p, q and v have the meanings indicated in Claim 1, and to the use thereof for an active-matrix display, in particular based on the VA, PSA, PS-VA, PALC, FFS, PS-FFS, IPS or PS-IPS effect, especially for the use in LC displays of the PS (polymer stabilised) or PSA (polymer sustained alignment) type.
    Type: Grant
    Filed: February 12, 2013
    Date of Patent: March 2, 2021
    Assignee: Merck Patent GmbH
    Inventors: Ji-Won Jeong, Yong-Kuk Yun, Dong-Mee Song, Jung-Min Lee
  • Patent number: 10570335
    Abstract: The present invention relates to a liquid crystal (LC) medium comprising polymerisable compounds, to a process for its preparation, to its use for optical, electro-optical and electronic purposes, in particular in LC displays, and to LC displays comprising it.
    Type: Grant
    Filed: June 2, 2016
    Date of Patent: February 25, 2020
    Assignee: Merck Patetn GmbH
    Inventors: Dong-Mee Song, Ki-Sun Kwon, Hoo-Yong Lee, Melanie Klasen-Memmer, Christian Schoenefeld, Konstantin Schneider, Matthias Koch, Joerg Peschke, Matthias Bremer, Nils Greinert
  • Publication number: 20190316037
    Abstract: The invention relates to a liquid-crystalline medium having negative dielectric anisotropy comprising one or more compounds of formula I and one or more compounds selected from the group of the compounds of the formulae IIA, IIB and IIC, wherein the groups and parameters have the meanings indicated in claim 1, to a guest-host liquid crystal medium derived therefrom comprising one or more dichroic dyes and the use of said medium in devices such as light shutters, switchable windows, switchable mirrors and guest-host displays. The invention further relates to devices containing the liquid crystalline medium according to the invention.
    Type: Application
    Filed: October 16, 2017
    Publication date: October 17, 2019
    Applicant: Merck Patent GmbH
    Inventors: Jung-Min LEE, Hyun-Woo BAE, Dong-Mee SONG, Yong-Kuk YUN
  • Publication number: 20190284474
    Abstract: The present invention relates to a switching layer based on a liquid-crystalline mixture for use in an optical switching element. The invention also encompasses a switching element comprising the switching layer and a window element containing the switching element. The liquid crystalline mixture comprises a low-molecular liquid crystal component, a polymer component and a self-alignment additive for vertical alignment.
    Type: Application
    Filed: July 17, 2017
    Publication date: September 19, 2019
    Applicant: Merck Patent GmbH
    Inventors: Dong-Mee SONG, Jung-Min LEE, Yong-Hyun CHOI, Yong-Kuk YUN
  • Patent number: 10358601
    Abstract: The present invention relates to liquid crystalline (LC) medium, to a method of its production and to the use of such LC media in polymer network liquid crystalline (PNLC) light modulation elements operated in the reverse mode. Furthermore, the present invention relates to such light modulation elements, as such, to the use of such light modulation elements as light shutters for transparent OLED displays, and to a method of production of such light modulation elements according to the present invention.
    Type: Grant
    Filed: March 1, 2017
    Date of Patent: July 23, 2019
    Assignee: Merck Patent GmbH
    Inventors: Hyun-Woo Bae, Dong-Mee Song, Hoo-Yong Lee, Jung-Min Lee, Yong-Kuk Yun
  • Publication number: 20190218459
    Abstract: The invention relates to a polymerisable LC material comprising at least one di- or multireactive mesogenic compound and at least one compound of formula CO-1, wherein R1, R2, L1, L2, L3, and n have one of the meanings as given in claim 1. Furthermore, the present invention relates also to a method for its preparation, a polymer film with improved thermal durability obtainable from the corresponding polymerisable LC material, to a method of preparation of such polymer film, and to the use of such polymer film and said polymerisable LC material for optical, electro-optical, decorative or security devices.
    Type: Application
    Filed: September 25, 2017
    Publication date: July 18, 2019
    Applicant: Merck Patent GmbH
    Inventors: Dong-Mee SONG, Yong-Hyun CHOI, Jae-Hyun KANG, Yong-Kuk YUN
  • Publication number: 20190185746
    Abstract: The present invention relates to liquid crystalline (LC) medium, to a method of its production and to the use of such LC media in polymer network liquid crystalline (PNLC) light modulation elements operated in the normally transparent mode. Furthermore, the present invention relates to such light modulation elements, as such, to the use of such light modulation elements as light shutters for transparent OLED displays, to the use of such light modulation elements in smart windows, and to a method of production of such light modulation elements according to the present invention.
    Type: Application
    Filed: September 4, 2017
    Publication date: June 20, 2019
    Applicant: Merck Patent GmbH
    Inventors: Dong-Mee SONG, Hyun-Woo BAE, Jung-Min LEE, Yong-Kuk YUN
  • Publication number: 20190177618
    Abstract: The present invention relates to a liquid crystalline medium which comprises one or more mesogenic compounds selected from the group of compounds of formulae I and II as set forth in claim 1, one or more chiral compounds and one or more polymerisable compounds, to a composite system obtained from or respectively obtainable from the medium by polymerising the one or more polymerisable compounds, and to liquid crystal displays comprising the composite system, in particular displays operating in reflective mode. The present invention further relates to a process for preparing the composite system comprising spatially selective polymerisation.
    Type: Application
    Filed: August 22, 2017
    Publication date: June 13, 2019
    Applicant: Merck Patent GmbH
    Inventors: Dong-Mee SONG, Yong-Hyun CHOI, Jae-Hyun KANG, Yong-Kuk YUN
  • Publication number: 20180187080
    Abstract: The present invention relates to a liquid crystal (LC) medium comprising polymerisable compounds, to a process for its preparation, to its use for optical, electro-optical and electronic purposes, in particular in LC displays, and to LC displays comprising it.
    Type: Application
    Filed: June 2, 2016
    Publication date: July 5, 2018
    Applicant: Merck Patent GmbH
    Inventors: Dong-Mee SONG, Ki-Sun KWON, Hoo-Yong LEE, Melanie KLASEN-MEMMER, Christian SCHOENEFELD, Konstantin SCHNEIDER, Matthias KOCH, Joerg PESCHKE, Matthias BREMER, Nils GREINERT
  • Patent number: 9926490
    Abstract: The present invention relates to a liquid crystal (LC) medium comprising a polymerizable compound, one or more compounds of formula Q, and one or more compounds of formula AN1 to a process for its preparation, to its use for optical, electro-optical and electronic purposes, in particular in LC displays, especially in an LC display of the polymer sustained alignment (PSA) type, and to an LC display, especially a PSA display, comprising it.
    Type: Grant
    Filed: August 17, 2015
    Date of Patent: March 27, 2018
    Assignee: MERCK PATENT GMBH
    Inventors: Dong-Mee Song, Eun-Kyu Lee, Seung-Eun Lee
  • Patent number: 9914877
    Abstract: The present invention relates to a liquid crystal panel, a liquid crystal display device and to a liquid crystal medium having a negative dielectric anisotropy ??.
    Type: Grant
    Filed: October 31, 2011
    Date of Patent: March 13, 2018
    Assignee: MERCK PATENT GMBH
    Inventors: Eun-Kyu Lee, Seung-Eun Lee, Dong-Mee Song
  • Publication number: 20170253801
    Abstract: The present invention relates to liquid crystalline (LC) medium, to a method of its production and to the use of such LC media in polymer network liquid crystalline (PNLC) light modulation elements operated in the reverse mode. Furthermore, the present invention relates to such light modulation elements, as such, to the use of such light modulation elements as light shutters for transparent OLED displays, and to a method of production of such light modulation elements according to the present invention.
    Type: Application
    Filed: March 1, 2017
    Publication date: September 7, 2017
    Applicant: Merck Patent GmbH
    Inventors: Hyun-Woo BAE, Dong-Mee SONG, Hoo-Yong Lee, Jung-Min LEE, Yong-Kuk Yun
  • Patent number: 9378588
    Abstract: A mobile terminal and method of controlling applications of the same are disclosed, by which each operation of all applications currently executed in a multitasking mode can be effectively controlled within one picture. The present invention includes executing a plurality of applications, displaying an execution picture of a first application among a plurality of the executed applications on a screen, and displaying a 3D polyhedron displaying a control window of at least one of a plurality of the applications except the first application on a corresponding facet of the 3D polyhedron on a screen in the course of displaying the execution picture of the first application.
    Type: Grant
    Filed: April 15, 2010
    Date of Patent: June 28, 2016
    Assignee: LG ELECTRONICS INC.
    Inventors: Yoo Mee Song, Hye Youn Cho, I Su Byun, Yee Rang Yun, Woo Jin Suh, Byung Sang Yeo, Sang Hyuck Lee, Seong Yoon Cho
  • Publication number: 20160053175
    Abstract: The present invention relates to a liquid crystal (LC) medium comprising a polymerisable compound, one or more compounds of formula Q, and one or more compounds of formula AN1 to a process for its preparation, to its use for optical, electro-optical and electronic purposes, in particular in LC displays, especially in an LC display of the polymer sustained alignment (PSA) type, and to an LC display, especially a PSA display, comprising it.
    Type: Application
    Filed: August 17, 2015
    Publication date: February 25, 2016
    Applicant: MERCK PATENT GMBH
    Inventors: Dong-Mee SONG, Eun-Kyu LEE, Seung-Eun LEE
  • Patent number: 9212311
    Abstract: The present invention relates to the use of LC (liquid-crystal) compounds and LC media comprising them in LC displays of the PS (polymer stabilized) or PSA (polymer sustained alignment) type.
    Type: Grant
    Filed: August 13, 2010
    Date of Patent: December 15, 2015
    Assignee: Merck Patent GmbH
    Inventors: Seung-Eun Lee, Eun Young Kim, Dong-Mee Song, Eun-Kyu Lee
  • Patent number: D902488
    Type: Grant
    Filed: April 12, 2019
    Date of Patent: November 17, 2020
    Inventors: Kyoung Hee Song, Kyoung Mee Song
  • Patent number: D902489
    Type: Grant
    Filed: April 12, 2019
    Date of Patent: November 17, 2020
    Inventors: Kyoung Hee Song, Kyoung Mee Song