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. 27, 2013
Filed:
Dec. 08, 2008
Applicants:
Lowell C. Frank, Hudson, WI (US);
Stephen A. Johnson, Woodbury, MN (US);
Ji-hyung Kim, Kyonggi-Do, KR;
Byung-soo Ko, Seoul, KR;
Ji-hwa Lee, Gyeonggi-do, KR;
Yufeng Liu, Woodbury, MN (US);
Inventors:
Lowell C. Frank, Hudson, WI (US);
Stephen A. Johnson, Woodbury, MN (US);
Ji-Hyung Kim, Kyonggi-Do, KR;
Byung-Soo Ko, Seoul, KR;
Ji-Hwa Lee, Gyeonggi-do, KR;
Yufeng Liu, Woodbury, MN (US);
Assignee:
3M Innovative Properties Company, Saint Paul, MN (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02F 1/1335 (2006.01);
U.S. Cl.
CPC ...
Abstract
Optical film laminates of birefringent polyester films and adhesive are disclosed. The laminates have a thickness of at least 10 mils (0.25 mm). The laminates of the invention are useful in displays having a diagonal of 37 in (94 cm) or greater.