US 11,988,935 B2
Bus bar design of an IGU with graded transmission state
Yigang Wang, Plymouth, MN (US); Bolei Di, Woodbury, MN (US); Jean-Christophe Giron, Edina, MN (US); Sebastian Marius Sarrach, Lakeville, MN (US); Ariane Weissler, Aachen (DE); and Bryan D. Greer, Northfield, MN (US)
Assigned to SAGE ELECTROCHROMICS, INC., Faribault, MN (US)
Filed by SAGE ELECTROCHROMICS, INC., Faribault, MN (US)
Filed on Dec. 10, 2021, as Appl. No. 17/643,644.
Claims priority of provisional application 63/125,712, filed on Dec. 15, 2020.
Prior Publication US 2022/0187670 A1, Jun. 16, 2022
Int. Cl. G02F 1/1343 (2006.01); G02F 1/153 (2006.01); G02F 1/155 (2006.01)
CPC G02F 1/1533 (2013.01) [G02F 1/13439 (2013.01); G02F 1/155 (2013.01)] 12 Claims
OG exemplary drawing
 
1. An electrochromic device comprising:
a first bus bar electrically connected to a first transparent conductor, wherein the first bus bar comprises a first segment between a second segment and a third segment, wherein the first segment has a first thickness that is less than a second thickness of the second segment and less than a third thickness of the third segment.