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:
Apr. 29, 2014
Filed:
May. 31, 2011
Applicants:
Michael A. Haase, St. Paul, MN (US);
Junqing Xie, Woodbury, MN (US);
Thomas J. Miller, Woodbury, MN (US);
Xiaoguang Sun, Woodbury, MN (US);
Inventors:
Michael A. Haase, St. Paul, MN (US);
Junqing Xie, Woodbury, MN (US);
Thomas J. Miller, Woodbury, MN (US);
Xiaoguang Sun, Woodbury, MN (US);
Assignee:
3M Innovative Properties Company, Saint Paul, MN (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01L 33/00 (2010.01);
U.S. Cl.
CPC ...
Abstract
Light emitting systems are disclosed. More particularly light emitting systems that utilize wavelength converting semiconductor layer stacks, and preferred amounts of potential well types in such stacks to achieve more optimal performance are disclosed.