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:
Jun. 15, 2010
Filed:
Oct. 27, 2006
Thomas J. Miller, Woodbury, MN (US);
Michael A. Haase, Saint Paul, MN (US);
Terry L. Smith, Roseville, MN (US);
Xiaoguang Sun, Woodbury, MN (US);
Thomas J. Miller, Woodbury, MN (US);
Michael A. Haase, Saint Paul, MN (US);
Terry L. Smith, Roseville, MN (US);
Xiaoguang Sun, Woodbury, MN (US);
3M Innovative Properties Company, St. Paul, MN (US);
Abstract
An adapted LED is provided comprising a short-wavelength LED and a re-emitting semiconductor construction, wherein the re-emitting semiconductor construction comprises at least one potential well not located within a pn junction. The potential well(s) are typically quantum well(s). The adapted LED may be a white or near-white light LED. The re-emitting semiconductor construction may additionally comprise absorbing layers surrounding or closely or immediately adjacent to the potential well(s). In addition, graphic display devices and illumination devices comprising the adapted LED according to the present invention are provided.