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, 2010
Filed:
Dec. 19, 2008
Michael K. Gerlach, Brookline, MA (US);
Gerald N. Nkwantah, Brockton, MA (US);
Jonathan M. Mack, Boylston, MA (US);
Pradnya V. Nagarkar, Newton, MA (US);
Philip J. Ralli, Sudbury, MA (US);
Michael K. Gerlach, Brookline, MA (US);
Gerald N. Nkwantah, Brockton, MA (US);
Jonathan M. Mack, Boylston, MA (US);
Pradnya V. Nagarkar, Newton, MA (US);
Philip J. Ralli, Sudbury, MA (US);
Seiko Epson Corporation, Tokyo, JP;
Abstract
An intrinsic polarizer, including a sheet of PVA-type matrix that includes vinylene polymer blocks, the sheet defining a pass polarization axis and a block polarization axis perpendicular to the pass polarization axis, light having an electrical vector parallel to the pass polarization axis being substantially transmitted through the sheet and light having an electrical vector parallel to the block polarization axis being substantially absorbed by the vinylene blocks, the sheet exhibiting a dichroic ratio of more than 100.