KR102726771B1 - 스위칭 소자에 사용하기 위한 액정 매질 - Google Patents
스위칭 소자에 사용하기 위한 액정 매질 Download PDFInfo
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Abstract
Description
Claims (16)
- 광학적 투과 상태 및 산란 상태로 전기적으로 스위칭가능하고 작동가능한 스위칭 소자를 포함하는 윈도우(window) 소자로서, 상기 스위칭 소자가 2개의 기판 사이에 정렬된 스위칭 층을 포함하고, 상기 스위칭 층이 액정 매질을 포함하며,
상기 액정 매질이 하나 이상의 하기 화학식 I의 메소젠 화합물(mesogenic compound); 하나 이상의 키랄 화합물; 및 하나 이상의 중합성 화합물을 포함하되,
상기 하나 이상의 화학식 I의 화합물은 액정 매질의 총 함량을 기준으로 15 중량% 이상의 양으로 액정 매질에 포함되고,
상기 하나 이상의 중합성 화합물은 액정 매질의 총 함량을 기준으로 10 중량% 이하의 양으로 액정 매질에 포함되는, 윈도우 소자:
상기 식에서,
R1 및 R2는 서로 독립적으로 F, Cl, CF3 또는 OCF3이거나, 1 내지 15개의 탄소 원자를 갖는 직쇄 또는 분지쇄 알킬 또는 알콕시이거나, 2 내지 15개의 탄소 원자를 갖는 직쇄 또는 분지쇄 알켄일이되, 비치환되거나, CN 또는 CF3으로 일치환되거나, 할로겐으로 일치환 또는 다치환되고, 하나 이상의 CH2 기는 각각의 경우 서로 독립적으로 산소 원자가 서로 직접 연결되지 않도록 -O-, -S-, -CO-, -COO-, -OCO-, -OCOO- 또는 -C≡C-로 대체될 수 있고;
는
이고;
n은 0 또는 1이고;
는 서로 독립적으로
이되, L은 각각의 경우 동일하거나 상이하게 F, Cl 및 Br로부터 선택되는 할로겐이다. - 제1항에 있어서,
상기 액정 매질이 0.55 μm 이상의 피치(pitch)를 나타내는, 윈도우 소자. - 제1항에 있어서,
상기 액정 매질이
(i) 20℃ 및 589 nm에서 측정된 0.13 이상의 광학 이방성 Δn; 및/또는
(ii) 98℃ 이상의 등명점
을 나타내는 윈도우 소자. - 제1항에 있어서,
상기 액정 매질이 하기 화학식 II 및 III의 화합물 군으로부터 선택되는 하나 이상의 메소젠 화합물을 추가로 포함하는, 윈도우 소자:
상기 식에서,
R3, R4, R5 및 R6은 서로 독립적으로 F, CF3, OCF3 또는 CN이거나, 1 내지 15개의 탄소 원자를 갖는 직쇄 또는 분지쇄 알킬 또는 알콕시이거나, 2 내지 15개의 탄소 원자를 갖는 직쇄 또는 분지쇄 알켄일이되, 비치환되거나, CN 또는 CF3으로 일치환되거나, 할로겐으로 일치환 또는 다치환되고, 하나 이상의 CH2 기는 각각의 경우 서로 독립적으로 산소 원자가 서로 직접 연결되지 않도록 -O-, -S-, -CO-, -COO-, -OCO-, -OCOO- 또는 -C≡C-로 대체될 수 있고;
L1, L2, L3, L4 및 L5는 서로 독립적으로 H 또는 F이다. - 제1항에 있어서,
화학식 I의 L이 F이고;
화학식 I의 R1 및 R2가 둘다 Cl을 배제하는,
윈도우 소자. - 제1항에 있어서,
하나 이상의 키랄 화합물이 5 μm-1 이상의 나선 비틀림력(helical twisting power) 절대값을 갖는, 윈도우 소자. - 제1항 있어서,
하나 이상의 중합성 화합물이 1 또는 2개 이상의 아크릴레이트 기 및/또는 메트아크릴레이트 기를 포함하는, 윈도우 소자. - 제1항에 있어서,
하나 이상의 중합성 화합물 중 하나 이상이 중합성 메소젠 화합물인, 윈도우 소자. - 제1항에 있어서,
상기 액정 매질이 액정 매질 중에 형성된 중합체 성분을 추가로 포함하되, 상기 중합체 성분이 액정 매질의 총 함량을 기준으로 10 중량% 이하로 액정 매질 중에 함유된, 윈도우 소자. - 제9항에 있어서,
상기 중합체 성분이 제1항, 제7항 및 제8항 중 어느 한 항에 제시된 하나 이상의 중합성 화합물을 중합함으로써 수득되는, 윈도우 소자.
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| EP17205696.2 | 2017-12-06 | ||
| PCT/EP2018/083254 WO2019110458A1 (en) | 2017-12-06 | 2018-12-03 | Liquid-crystalline medium for use in a switching element |
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| KR102726771B1 true KR102726771B1 (ko) | 2024-11-08 |
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| CN (1) | CN111433323B (ko) |
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| WO (1) | WO2019110458A1 (ko) |
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| KR102726771B1 (ko) * | 2017-12-06 | 2024-11-08 | 메르크 파텐트 게엠베하 | 스위칭 소자에 사용하기 위한 액정 매질 |
| KR102837400B1 (ko) * | 2018-12-19 | 2025-07-25 | 메르크 파텐트 게엠베하 | 스위칭 소자에 사용하기 위한 스위칭 층 |
| CN112143507B (zh) | 2019-06-28 | 2025-03-18 | 默克专利股份有限公司 | Lc介质 |
| KR20220062042A (ko) * | 2019-09-09 | 2022-05-13 | 메르크 파텐트 게엠베하 | 액정 매질 및 pnlc 광 변조 소자 |
| EP4256001B1 (en) * | 2020-12-02 | 2025-12-24 | Merck Patent GmbH | Ferroelectric nematic liquid crystalline medium |
| CN116547364A (zh) * | 2020-12-02 | 2023-08-04 | 默克专利股份有限公司 | 铁电性向列型液晶介质 |
| JP7099578B1 (ja) * | 2021-03-31 | 2022-07-12 | 凸版印刷株式会社 | 調光シート、調光装置、感光性組成物、及び調光シートの製造方法 |
| CN118222304A (zh) * | 2022-12-20 | 2024-06-21 | 苏州百斯特玻科技有限公司 | 一种液晶组合物及其调光器件 |
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-
2018
- 2018-12-03 KR KR1020207018967A patent/KR102726771B1/ko active Active
- 2018-12-03 US US16/770,181 patent/US11760931B2/en active Active
- 2018-12-03 CN CN201880078257.5A patent/CN111433323B/zh active Active
- 2018-12-03 WO PCT/EP2018/083254 patent/WO2019110458A1/en not_active Ceased
- 2018-12-03 JP JP2020530994A patent/JP7307064B2/ja active Active
- 2018-12-03 EP EP18814552.8A patent/EP3720925B1/en active Active
- 2018-12-05 TW TW107143727A patent/TWI800571B/zh active
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| WO2012052100A1 (en) | 2010-10-20 | 2012-04-26 | Merck Patent Gmbh | Switch element comprising a liquid-crystalline medium |
| US20130277609A1 (en) | 2012-04-24 | 2013-10-24 | Jnc Petrochemical Corporation | Compound having four polymerizable groups, liquid crystal composition and liquid crystal display device |
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Also Published As
| Publication number | Publication date |
|---|---|
| US20210163820A1 (en) | 2021-06-03 |
| KR20200094194A (ko) | 2020-08-06 |
| JP7307064B2 (ja) | 2023-07-11 |
| EP3720925B1 (en) | 2023-02-15 |
| WO2019110458A1 (en) | 2019-06-13 |
| CN111433323B (zh) | 2024-03-22 |
| JP2021505724A (ja) | 2021-02-18 |
| CN111433323A (zh) | 2020-07-17 |
| TWI800571B (zh) | 2023-05-01 |
| TW201928021A (zh) | 2019-07-16 |
| US11760931B2 (en) | 2023-09-19 |
| EP3720925A1 (en) | 2020-10-14 |
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