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).
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Patent number: 11820932Abstract: 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: GrantFiled: September 25, 2017Date of Patent: November 21, 2023Assignee: Merck Patent GmbHInventors: Dong-Mee Song, Yong-Hyun Choi, Jae-Hyun Kang, Yong-Kuk Yun
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Patent number: 11466213Abstract: 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: GrantFiled: October 16, 2017Date of Patent: October 11, 2022Assignee: Merck Patent GmbHInventors: Jung-Min Lee, Hyun-Woo Bae, Dong-Mee Song, Yong-Kuk Yun
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Patent number: 11236271Abstract: 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: GrantFiled: September 4, 2017Date of Patent: February 1, 2022Assignee: Merck Patent GmbHInventors: Dong-Mee Song, Hyun-Woo Bae, Jung-Min Lee, Yong-Kuk Yun
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Patent number: 10934487Abstract: 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: GrantFiled: February 12, 2013Date of Patent: March 2, 2021Assignee: Merck Patent GmbHInventors: Ji-Won Jeong, Yong-Kuk Yun, Dong-Mee Song, Jung-Min Lee
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Patent number: 10570335Abstract: 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: GrantFiled: June 2, 2016Date of Patent: February 25, 2020Assignee: Merck Patetn GmbHInventors: Dong-Mee Song, Ki-Sun Kwon, Hoo-Yong Lee, Melanie Klasen-Memmer, Christian Schoenefeld, Konstantin Schneider, Matthias Koch, Joerg Peschke, Matthias Bremer, Nils Greinert
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Publication number: 20190316037Abstract: 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: ApplicationFiled: October 16, 2017Publication date: October 17, 2019Applicant: Merck Patent GmbHInventors: Jung-Min LEE, Hyun-Woo BAE, Dong-Mee SONG, Yong-Kuk YUN
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Publication number: 20190284474Abstract: 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: ApplicationFiled: July 17, 2017Publication date: September 19, 2019Applicant: Merck Patent GmbHInventors: Dong-Mee SONG, Jung-Min LEE, Yong-Hyun CHOI, Yong-Kuk YUN
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Patent number: 10358601Abstract: 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: GrantFiled: March 1, 2017Date of Patent: July 23, 2019Assignee: Merck Patent GmbHInventors: Hyun-Woo Bae, Dong-Mee Song, Hoo-Yong Lee, Jung-Min Lee, Yong-Kuk Yun
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Publication number: 20190218459Abstract: 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: ApplicationFiled: September 25, 2017Publication date: July 18, 2019Applicant: Merck Patent GmbHInventors: Dong-Mee SONG, Yong-Hyun CHOI, Jae-Hyun KANG, Yong-Kuk YUN
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Publication number: 20190185746Abstract: 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: ApplicationFiled: September 4, 2017Publication date: June 20, 2019Applicant: Merck Patent GmbHInventors: Dong-Mee SONG, Hyun-Woo BAE, Jung-Min LEE, Yong-Kuk YUN
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Publication number: 20190177618Abstract: 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: ApplicationFiled: August 22, 2017Publication date: June 13, 2019Applicant: Merck Patent GmbHInventors: Dong-Mee SONG, Yong-Hyun CHOI, Jae-Hyun KANG, Yong-Kuk YUN
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Publication number: 20180187080Abstract: 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: ApplicationFiled: June 2, 2016Publication date: July 5, 2018Applicant: Merck Patent GmbHInventors: Dong-Mee SONG, Ki-Sun KWON, Hoo-Yong LEE, Melanie KLASEN-MEMMER, Christian SCHOENEFELD, Konstantin SCHNEIDER, Matthias KOCH, Joerg PESCHKE, Matthias BREMER, Nils GREINERT
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Patent number: 9926490Abstract: 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: GrantFiled: August 17, 2015Date of Patent: March 27, 2018Assignee: MERCK PATENT GMBHInventors: Dong-Mee Song, Eun-Kyu Lee, Seung-Eun Lee
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Patent number: 9914877Abstract: 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: GrantFiled: October 31, 2011Date of Patent: March 13, 2018Assignee: MERCK PATENT GMBHInventors: Eun-Kyu Lee, Seung-Eun Lee, Dong-Mee Song
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Publication number: 20170253801Abstract: 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: ApplicationFiled: March 1, 2017Publication date: September 7, 2017Applicant: Merck Patent GmbHInventors: Hyun-Woo BAE, Dong-Mee SONG, Hoo-Yong Lee, Jung-Min LEE, Yong-Kuk Yun
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Patent number: 9378588Abstract: 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: GrantFiled: April 15, 2010Date of Patent: June 28, 2016Assignee: 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
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Publication number: 20160053175Abstract: 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: ApplicationFiled: August 17, 2015Publication date: February 25, 2016Applicant: MERCK PATENT GMBHInventors: Dong-Mee SONG, Eun-Kyu LEE, Seung-Eun LEE
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Patent number: 9212311Abstract: 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: GrantFiled: August 13, 2010Date of Patent: December 15, 2015Assignee: Merck Patent GmbHInventors: Seung-Eun Lee, Eun Young Kim, Dong-Mee Song, Eun-Kyu Lee
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Patent number: D902488Type: GrantFiled: April 12, 2019Date of Patent: November 17, 2020Inventors: Kyoung Hee Song, Kyoung Mee Song
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Patent number: D902489Type: GrantFiled: April 12, 2019Date of Patent: November 17, 2020Inventors: Kyoung Hee Song, Kyoung Mee Song