The object
Barrett O. Comiskey co-invented electronic ink, a bistable display material that renders text and images with paper-like readability and very low power use. The hardware technology became the basis for e-readers, electronic shelf labels and other reflective displays, including the Amazon Kindle.
01
What Barrett did
Co-invented electronic ink and co-founded E Ink to commercialise the display technology.
02
Why it matters
Mosaic Foundation identifies Comiskey’s electronic ink as the technology behind the Amazon Kindle, BMW Dee and a billion electronic shelf labels.
03
Living-status check
A 2026 U.S. trademark application names Comiskey as owner of the EPOSTER mark, directly documenting a recent intellectual-property filing.