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.

Date of Patent:
Jun. 04, 2024

Filed:

Aug. 01, 2022
Applicant:

3m Innovative Properties Company, St. Paul, MN (US);

Inventors:

Karissa L. Eckert, Ham Lake, MN (US);

Michelle L Toy, North St. Paul, MN (US);

Adam D. Haag, Woodbury, MN (US);

Matthew B. Johnson, Woodbury, MN (US);

Albert I. Everaerts, Tucson, AZ (US);

Quinn D. Sanford, Mosinee, WI (US);

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02B 5/30 (2006.01); C09J 7/29 (2018.01); C09J 201/02 (2006.01); B32B 37/12 (2006.01); C09J 133/00 (2006.01); C09J 133/08 (2006.01);
U.S. Cl.
CPC ...
G02B 5/305 (2013.01); C09J 7/29 (2018.01); C09J 201/02 (2013.01); B32B 2037/1253 (2013.01); B32B 2307/40 (2013.01); B32B 2307/42 (2013.01); B32B 2307/538 (2013.01); B32B 2457/20 (2013.01); B32B 2457/202 (2013.01); C09J 133/00 (2013.01); C09J 133/08 (2013.01); C09J 2301/302 (2020.08); C09K 2323/03 (2020.08); C09K 2323/031 (2020.08); C09K 2323/05 (2020.08); C09K 2323/057 (2020.08); C09K 2323/06 (2020.08); C09K 2323/061 (2020.08);
Abstract

Optical bodies are described. In particular, optical bodies having a birefringent multilayer optical film and a continuous adhesive layer with a thickness less than 20 micrometers are described. Optical bodies described herein exhibit reduced occurrence and severity of a non-uniformity defect known as 'orange peel.'


Find Patent Forward Citations

Loading…