US 12,474,612 B2
Electro-optic devices made with SEBS membranes
Leroy J. Kloeppner, Jenison, MI (US); Joshua P. McClure, Jenison, MI (US); and Wenhan He, Holland, MI (US)
Assigned to GENTEX CORPORATION, Zeeland, MI (US)
Filed by GENTEX CORPORATION, Zeeland, MI (US)
Filed on Aug. 26, 2022, as Appl. No. 17/896,215.
Claims priority of provisional application 63/237,612, filed on Aug. 27, 2021.
Prior Publication US 2023/0068233 A1, Mar. 2, 2023
Int. Cl. G02F 1/1516 (2019.01); C09K 9/02 (2006.01); G02F 1/155 (2006.01)
CPC G02F 1/15165 (2019.01) [C09K 9/02 (2013.01); G02F 1/155 (2013.01); C09K 2211/10 (2013.01); C09K 2211/1029 (2013.01); C09K 2211/14 (2013.01)] 17 Claims
OG exemplary drawing
 
1. An electro-optic device comprising:
a first substrate having a first surface and a second surface;
a second substrate having a third surface and a fourth surface, the second substrate disposed in a spaced-apart relationship relative to the first substrate such that the second and third surfaces are generally parallel to and face one another;
a first electrode associated with the second surface;
a second electrode associated with the third surface;
an ion exchange membrane comprising a functionalized styrene-ethylene-butylene-styrene (SEBS) polymer disposed between the first and second electrodes;
a first compartment defined by the ion exchange membrane and the first substrate;
a second compartment defined by the ion exchange membrane and the second substrate;
a cathodic species disposed in the first compartment; and
an anodic species disposed in the second compartment.