US 12,031,078 B2
Switching layer for use in an optical switching element
Dong-Mee Song, Hwaseong (KR); Jung-Min Lee, Seoul (KR); Yong-Hyun Choi, Pyeongtaek (KR); and Yong-Kuk Yun, Hwaseong (KR)
Assigned to MERCK PATENT GMBH, Darmstadt (DE)
Appl. No. 16/318,449
Filed by Merck Patent GmbH, Darmstadt (DE)
PCT Filed Jul. 17, 2017, PCT No. PCT/EP2017/067960
§ 371(c)(1), (2) Date Jan. 17, 2019,
PCT Pub. No. WO2018/015323, PCT Pub. Date Jan. 25, 2018.
Claims priority of application No. 16180345 (EP), filed on Jul. 20, 2016.
Prior Publication US 2019/0284474 A1, Sep. 19, 2019
This patent is subject to a terminal disclaimer.
Int. Cl. G02F 1/1333 (2006.01); C09K 19/04 (2006.01); C09K 19/30 (2006.01); C09K 19/34 (2006.01); E06B 9/24 (2006.01); G02F 1/1334 (2006.01); G02F 1/1337 (2006.01); C09K 19/12 (2006.01); C09K 19/18 (2006.01)
CPC C09K 19/04 (2013.01) [C09K 19/3066 (2013.01); C09K 19/3402 (2013.01); C09K 19/3405 (2013.01); C09K 19/3491 (2013.01); E06B 9/24 (2013.01); G02F 1/1334 (2013.01); G02F 1/133703 (2013.01); C09K 2019/0448 (2013.01); C09K 2019/122 (2013.01); C09K 2019/123 (2013.01); C09K 2019/181 (2013.01); C09K 2019/183 (2013.01); C09K 2019/3004 (2013.01); C09K 2019/301 (2013.01); C09K 2019/3016 (2013.01); C09K 2019/3021 (2013.01); C09K 2019/3027 (2013.01); C09K 2019/3063 (2013.01); C09K 2019/3408 (2013.01); C09K 2019/3422 (2013.01); E06B 2009/2464 (2013.01); G02F 1/13345 (2021.01); G02F 1/13347 (2021.01); G02F 1/133742 (2021.01); G02F 2202/043 (2013.01)] 11 Claims
 
1. A liquid-crystalline medium, which comprises
a liquid-crystalline low-molecular-weight component,
10% by weight or more of a polymer component, which comprises a polymerisable or polymerised compound and
a self-alignment additive for vertical alignment of the liquid crystalline medium.