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:
Aug. 08, 2023
Filed:
Nov. 03, 2020
Dupont Electronics, Inc., Wilmington, DE (US);
Laila Maclaughlin, Stoutsville, OH (US);
Husnu Alp Alidedeoglu, New Albany, OH (US);
Christopher Robert Becks, Grove City, OH (US);
Thomas Edward Carney, Orient, OH (US);
Scott John Herrmann, Gahanna, OH (US);
Joseph Casey Johnson, Pickerington, OH (US);
DUPONT ELECTRONICS, INC., Wilmington, DE (US);
Abstract
In one aspect, a single layer polymer film includes 25 to 97.5 wt % of a polyimide having a refractive index of 1.74 or less, 0.5 to 20 wt % of a matting agent and 1 to 30 wt % of a black colorant. On an air side, the single layer polymer film has an L* color of 33 or less and a 60° gloss of 10 or less. In another aspect, a single layer polymer film includes 80 to 99 wt % of a polyimide having a refractive index of 1.74 or less and 1 to 30 wt % of a black colorant. A surface of the single layer polymer film has been textured and has a maximum roughness (S) of 7 μm or more, an L* of 33 or less and a 60° gloss of 10 or less.