US 12,228,840 B2
Nonlinear optical chromophores having a diamondoid group attached thereto, methods of preparing the same, and uses thereof
Cory Pecinovsky, Lafayette, CO (US); Barry Johnson, Castle Rock, CO (US); and Ginelle Ramann, Centennial, CO (US)
Assigned to Lightwave Logic, Inc., Englewood, CO (US)
Filed by Lightwave Logic, Inc., Englewood, CO (US)
Filed on Oct. 10, 2023, as Appl. No. 18/378,217.
Application 18/378,217 is a continuation of application No. 17/358,960, filed on Jun. 25, 2021, granted, now 11,921,401.
Claims priority of provisional application 63/044,057, filed on Jun. 25, 2020.
Prior Publication US 2024/0045307 A1, Feb. 8, 2024
This patent is subject to a terminal disclaimer.
Int. Cl. G02F 1/00 (2006.01); C07D 487/00 (2006.01); G02F 1/361 (2006.01)
CPC G02F 1/3617 (2013.01) [C07D 487/00 (2013.01); G02F 1/0018 (2013.01); G02F 1/3612 (2013.01)] 5 Claims
OG exemplary drawing
 
1. An electro-optical film comprising a nonlinear optical chromophore dispersed and poled within a host polymer matrix, wherein the nonlinear optical chromophore of the general formula (I):
D-π-A  (I)
wherein D represents an organic electron-donating group; A represents an organic electron-accepting group having an electron affinity greater than the electron affinity of D; and π represents a π-bridge between the organic electron-accepting group and the organic electron-donating group; wherein the π-bridge between the organic electron-accepting group and the organic electron-donating group has the following formula (π°):

OG Complex Work Unit Chemistry
wherein each Y independently represents a sulfur linked aryl group of the following formula (π1)

OG Complex Work Unit Chemistry
wherein each a and b independently represents an integer of 0 to 3; and z represents an integer of 1 to 3;
the nonlinear optical chromophore comprising one or more diamondoids, wherein each of the one or more diamondoids is covalently bound to one of the organic electron-accepting group, or the organic electron-donating group.