US 12,224,080 B2
Highly conducting and transparent film and process for producing same
Yi-jun Lin, Taoyuan (TW); Aruna Zhamu, Springboro, OH (US); and Bor Z. Jang, Centerville, OH (US)
Assigned to Global Graphene Group, Inc., Dayton, OH (US)
Filed by Global Graphene Group, Inc., Dayton, OH (US)
Filed on Oct. 16, 2019, as Appl. No. 16/654,122.
Application 16/654,122 is a continuation of application No. 13/815,316, filed on Feb. 21, 2013, granted, now 10,468,152.
Prior Publication US 2020/0051709 A1, Feb. 13, 2020
This patent is subject to a terminal disclaimer.
Int. Cl. H01B 1/04 (2006.01); B82Y 30/00 (2011.01); G06F 3/041 (2006.01)
CPC H01B 1/04 (2013.01) [B82Y 30/00 (2013.01); G06F 3/041 (2013.01); G06F 2203/04103 (2013.01); Y10T 428/31678 (2015.04); Y10T 442/10 (2015.04)] 14 Claims
OG exemplary drawing
 
1. An optically transparent and electrically conductive film composed of a mixture of metal nanowires and carbon nanotubes combined with pristine graphene with a metal nanowire and carbon nanotube-to-graphene weight ratio of from 1/99 to 99/1, wherein said pristine graphene contains no oxygen and no hydrogen and is produced from graphite dissolution in a solvent, alkali metal intercalation, or supercritical fluid extraction, and said film exhibits an optical transparence no less than 80% and sheet resistance no higher than 200 ohm/square, wherein said film is supported on a transparent substrate.