US 12,193,329 B2
Light emitting electrochemical cells with band-edge enhanced light emission due to chiral liquid crystalline structure
John Magno, St. James, NY (US); and Gene C. Koch, Toms River, NJ (US)
Assigned to Red Bank Technologies LLC, Red Bank, NJ (US)
Appl. No. 17/254,637
Filed by RED BANK TECHNOLOGIES LLC, Red Bank, NJ (US)
PCT Filed Jun. 28, 2019, PCT No. PCT/US2019/039710
§ 371(c)(1), (2) Date Dec. 21, 2020,
PCT Pub. No. WO2020/006344, PCT Pub. Date Jan. 2, 2020.
Claims priority of provisional application 62/691,865, filed on Jun. 29, 2018.
Prior Publication US 2021/0119151 A1, Apr. 22, 2021
Int. Cl. H01L 51/00 (2006.01); C09K 11/06 (2006.01); H10K 85/00 (2023.01); H10K 85/30 (2023.01); H10K 50/135 (2023.01)
CPC H10K 85/731 (2023.02) [H10K 85/344 (2023.02); C09K 2211/1029 (2013.01); C09K 2211/185 (2013.01); H10K 50/135 (2023.02)] 18 Claims
OG exemplary drawing
 
1. A light emitting electrochemical cell comprising two electrodes and a layer comprising a material wherein:
the layer is situated between the two electrodes,
the material of the layer exhibits a chiral liquid crystalline phase, and
wherein the material comprises a molecule having the structure:

OG Complex Work Unit Chemistry
wherein A is a rigid rod or rigid lath-shaped aromatic moiety, S is a flexible spacer, C is a crosslinking group, and X− are negatively charged counter ions.