US 11,680,207 B2
Direct mapping of local director field of nematic liquid crystals at the nanoscale
Shu Yang, Blue Bell, PA (US); Yu Xia, Springfield, PA (US); Francesca Serra, Philadelphia, PA (US); Randall D. Kamien, Philadelphia, PA (US); and Kathleen J. Stebe, Penn Valley, PA (US)
Assigned to The Trustees of the University of Pennsylvania, Philadelphia, PA (US)
Appl. No. 15/553,820
Filed by The Trustees of The University of Pennsylvania, Philadelphia, PA (US)
PCT Filed Feb. 18, 2016, PCT No. PCT/US2016/018366
§ 371(c)(1), (2) Date Aug. 25, 2017,
PCT Pub. No. WO2016/140803, PCT Pub. Date Sep. 9, 2016.
Claims priority of provisional application 62/127,365, filed on Mar. 3, 2015.
Prior Publication US 2018/0244995 A1, Aug. 30, 2018
Int. Cl. C09K 19/20 (2006.01); C09K 19/58 (2006.01); C09K 19/02 (2006.01); C09K 19/34 (2006.01); C09K 19/22 (2006.01); C09K 19/38 (2006.01); G01N 23/2251 (2018.01); C09K 19/04 (2006.01); G02B 1/08 (2006.01)
CPC C09K 19/2007 (2013.01) [C09K 19/02 (2013.01); C09K 19/22 (2013.01); C09K 19/3444 (2013.01); C09K 19/3833 (2013.01); C09K 19/58 (2013.01); G01N 23/2251 (2013.01); C09K 2019/0448 (2013.01); C09K 2019/2078 (2013.01); C09K 2219/00 (2013.01); G02B 1/08 (2013.01)] 18 Claims
OG exemplary drawing
 
1. A mesogenic compound having a structure of Formula (I):

OG Complex Work Unit Chemistry
wherein:
A is phenyl and B is pyridinyl or both A and B are pyridinyl;
wherein each L is positioned para to one another on each A or B ring and L is, independently at each occurrence, —CH(C═NOH)—, —C(O)N(R1)—, —OC(O)N(R1)—, or —N(R1)C(O)O—;
X1 is NO2 or CN;
Wherein R1 is independently at each occurrence H or C1-3alkyl;
Each TG independently comprises an epoxy, glycidyl, acrylate, methacrylate, alkene, alkyne, or oxetane; m is independently 1, 2, or 3 at each occurrence; and
n is 1, 2, or 3.