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. 12, 2016
Filed:
Oct. 08, 2010
Tao Tong, Ventura, CA (US);
Ronan Letoquin, Fremont, CA (US);
Bernd Keller, Santa Barbara, CA (US);
Eric Tarsa, Goleta, CA (US);
Mark Youmans, Goleta, CA (US);
Theodore Lowes, Lompoc, CA (US);
Nicholas W. Medendorp, Jr., Raleigh, NC (US);
Antony Van DE Ven, Sai Kung, HK;
Gerald Negley, Durham, NC (US);
Peter Guschl, Carpinteria, CA (US);
Zongjie Yuan, Santa Barbara, CA (US);
Tao Tong, Ventura, CA (US);
Ronan Letoquin, Fremont, CA (US);
Bernd Keller, Santa Barbara, CA (US);
Eric Tarsa, Goleta, CA (US);
Mark Youmans, Goleta, CA (US);
Theodore Lowes, Lompoc, CA (US);
Nicholas W. Medendorp, Jr., Raleigh, NC (US);
Antony Van De Ven, Sai Kung, HK;
Gerald Negley, Durham, NC (US);
Peter Guschl, Carpinteria, CA (US);
Zongjie Yuan, Santa Barbara, CA (US);
CREE, INC., Durham, NC (US);
Abstract
A lighting device comprising a light source and a diffuser spaced from the light source. The lighting device further comprises a wavelength conversion material disposed between the light source and the diffuser and spaced from the light source and the diffuser, wherein the diffuser is shaped such that there are different distances between the diffuser and said conversion material at different emission angles. In other embodiments the diffuser includes areas with different diffusing characteristics. Some lamps are arranged to meet A19 and Energy Star lighting standards.