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.

Date of Patent:
Jun. 09, 2020

Filed:

Jun. 04, 2019
Applicant:

Dell Products L.p., Round Rock, TX (US);

Inventors:

Kyung Eun Lee, Singapore, SG;

Yong Gu Kang, Singapore, SG;

Assignee:

Dell Products L.P., Round Rock, TX (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H05B 39/04 (2006.01); H01L 33/50 (2010.01); H05B 33/08 (2020.01); H05B 45/00 (2020.01);
U.S. Cl.
CPC ...
H01L 33/50 (2013.01); H05B 33/0806 (2013.01); H05B 45/00 (2020.01);
Abstract

A LED switching system, including a multi-chip LED including first and second sets of LED chips, the first set of LED chips associated with a first wavelength band and the second set of LED chips associated with a second wavelength band; a first LED driver in communication with the first set of LED chips; a second LED driver in communication with the second set of LED chips; a LED controller configured to: receive input indicating a selection of one of the wavelength bands; identifying one of the first set and the second set of LED chips associated with the selected wavelength band; and providing a signal to one of the first and the second LED drivers that is in communication with the identified set of LED chips; wherein, in response to the signal, the one of the first and the second LED drivers activates the identified set of LED chips.


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