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:
May. 05, 2020
Filed:
Dec. 15, 2017
Applicant:
Eyesafe, Llc, Eden Prairie, MN (US);
Inventors:
Justin Barrett, Minneapolis, MN (US);
Steven D. Moe, Savage, MN (US);
Bonnie G. Simmons, Concord, NH (US);
Justin Tolle, Maple Grove, MN (US);
Assignee:
Eyesafe, LLC, Eden Prairie, MN (US);
Primary Examiner:
Int. Cl.
CPC ...
G02F 1/1335 (2006.01); G02B 5/20 (2006.01); G02B 1/04 (2006.01); G02B 5/00 (2006.01);
U.S. Cl.
CPC ...
G02F 1/133509 (2013.01); G02B 1/04 (2013.01); G02B 5/003 (2013.01); G02B 5/205 (2013.01); G02B 5/208 (2013.01); G02F 1/133514 (2013.01); G02F 1/133528 (2013.01); G02F 2201/086 (2013.01); G02F 2201/50 (2013.01);
Abstract
A light-absorbing, neutral density filter for an electronic device display. More specifically, a light-absorbing, neutral density filter applied as a shield, protective film, or protective coating layer for an electronic device display that blocks ultraviolet light, high energy visible light, and at least a portion of blue light. The neutral density filter comprises a polymer substrate and an absorbing agent.