The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Nov. 08, 2022
Filed:
May. 14, 2020
Applicant:
E Ink California, Llc, Fremont, CA (US);
Inventor:
Chet Steinhagen, San Jose, CA (US);
Assignee:
E INK CALIFORNIA, LLC, Fremont, CA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02F 1/13357 (2006.01); G02F 1/167 (2019.01); G02F 1/157 (2006.01); G02F 1/1335 (2006.01); B32B 3/12 (2006.01); C09K 11/02 (2006.01); C09K 11/08 (2006.01); B32B 27/08 (2006.01); B82Y 20/00 (2011.01); B82Y 40/00 (2011.01);
U.S. Cl.
CPC ...
G02F 1/133617 (2013.01); B32B 3/12 (2013.01); B32B 27/08 (2013.01); C09K 11/025 (2013.01); C09K 11/08 (2013.01); G02F 1/133514 (2013.01); G02F 1/157 (2013.01); G02F 1/167 (2013.01); B32B 2457/202 (2013.01); B82Y 20/00 (2013.01); B82Y 40/00 (2013.01);
Abstract
A quantum dot film includes a plurality of sealed microcells. The microcells may be formed within a layer of polymeric material and sealed with a sealing material. Also, the microcells may contain a dispersion of a solvent and a plurality of quantum dots. A method of making a quantum dot film includes providing a layer of polymeric material having a plurality of open microcells, filling the plurality of open microcells with a dispersion of a solvent and plurality of quantum dots, and sealing the microcells.