US 12,247,153 B2
Liquid crystal composition and liquid crystal element
Eiji Okabe, Chiba (JP); Takanori Mori, Chiba (JP); Kazushi Shiren, Chiba (JP); and Yuko Katano, Chiba (JP)
Assigned to JNC CORPORATION, Tokyo (JP); and JNC PETROCHEMICAL CORPORATION, Tokyo (JP)
Filed by JNC CORPORATION, Tokyo (JP); and JNC PETROCHEMICAL CORPORATION, Tokyo (JP)
Filed on Apr. 10, 2024, as Appl. No. 18/631,063.
Application 18/631,063 is a continuation of application No. 18/167,072, filed on Feb. 10, 2023.
Claims priority of application No. 2022-023427 (JP), filed on Feb. 18, 2022; and application No. 2023-000542 (JP), filed on Jan. 5, 2023.
Prior Publication US 2024/0271041 A1, Aug. 15, 2024
This patent is subject to a terminal disclaimer.
Int. Cl. G02F 1/1333 (2006.01); C09K 19/12 (2006.01); C09K 19/18 (2006.01); G02B 1/02 (2006.01); G02B 1/04 (2006.01); G02B 3/12 (2006.01); G02F 1/139 (2006.01)
CPC C09K 19/18 (2013.01) [C09K 19/12 (2013.01); G02B 1/02 (2013.01); G02B 1/041 (2013.01); G02B 3/12 (2013.01); G02F 1/1392 (2013.01); C09K 2019/122 (2013.01); C09K 2019/181 (2013.01); C09K 2019/183 (2013.01); C09K 2019/186 (2013.01); C09K 2019/188 (2013.01)] 17 Claims
 
1. A liquid crystal composition comprising:
at least one compound represented by Formula (1),

OG Complex Work Unit Chemistry
in Formula (1),
R1 is C1-12 alkyl in which at least one —(CH2)2— may be substituted with —CH═CH— or —C≡C—;
a ring A1 is 1,4-cyclohexylene, 1,4-cyclohexenylene, tetrahydropyran-2,5-diyl, 1,3-dioxane-2,5-diyl, pyrimidine-2,5-diyl, 2,6,7-trioxabicyclo[2.2.2] octane-1,4-diyl, naphthalene-2,6-diyl, or pyridine-2,5-diyl, at least one hydrogen on these rings may be substituted with a halogen or C1-3 alkyl;
Z11 is a single bond; Z12 is —C≡C—;
L11, L12, L13, L14, L15, L16, L17, and L18 are hydrogen, fluorine, chlorine, methyl, ethyl or cyclopropyl;
Y11 is hydrogen, fluorine, chlorine, methyl or ethyl;
Y12 is hydrogen, fluorine or chlorine;
at least one of L14, L15, L16, L17, L18, and Y11 is methyl or ethyl;
at least one of L14, L15, L16, L17, L18, and Y11 is fluorine; and
a is 0 or 1, b is 1, c is 0 or 1, and a sum of a, b, and c is 2.