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:
Oct. 10, 2017
Filed:
Oct. 23, 2012
3m Innovative Properties Company, St. Paul, MN (US);
Yarn Chee Poon, Singapore, SG;
Andrew J. Ouderkirk, St. Paul, MN (US);
Philip E. Watson, St. Paul, MN (US);
Xiaohui Cheng, Singapore, SG;
Kim Leong Tan, Singapore, SG;
Stephen J. Willett, St. Paul, MN (US);
3M Innovative Properties Company, St. Paul, MN (US);
Abstract
The disclosure generally relates to beamsplitters useful in color combiners, and in particular color combiners useful in small size format projectors such as pocket projectors. The disclosed beamsplitters and color combiners include a tilted dichroic reflective polarizer plate having at least two dichroic reflective polarizers tilted at different angles relative to incident light beams, with light collection optics to combine at least two colors of light.