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:
Jan. 05, 2016
Filed:
Sep. 20, 2012
3m Innovative Properties Company, St. Paul, MN (US);
Evan L. Schwartz, Vadnais Heights, MN (US);
Mark J. Pellerite, Woodbury, MN (US);
Daniel W. Hennen, Cottage Grove, MN (US);
Marc D. Radcliffe, Newport, MN (US);
Michael L. Steiner, New Richmond, WI (US);
Marie A. Boulos, West Saint Paul, MN (US);
Michael E. Lauters, Hudson, WI (US);
Gary T. Boyd, Woodbury, MN (US);
John P. Baetzold, North Saint Paul, MN (US);
John J. Stradinger, Roseville, MN (US);
Vivian W. Jones, Woodbury, MN (US);
3M INNOVATIVE PROPERTIES COMPANY, Saint Paul, MN (US);
Abstract
An electronically switchable privacy films suitable for use in display devices are described. The electronically switchable privacy film comprises a pair of mutually opposing transparent electrodes; an optically transparent microstructured layer disposed between the transparent electrodes, the microstructured layer comprising a plurality of microstructured ribs extending across a surface thereof such that the microstructured ribs form an alternating series of ribs and channels; and electronically switchable material disposed in the channels, the electronically switchable material being capable of modulation between high and low absorption states upon application of an electric field across the transparent electrodes.