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. 02, 2015
Filed:
Jan. 06, 2014
Applicant:
Carsem (M) Sdn. Bhd., Perak Darul Ridzuan, MY;
Inventors:
Assignee:
Carsem (M) SDN. BHD., , MY;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01L 21/66 (2006.01); H01L 33/50 (2010.01); H01L 33/52 (2010.01); H01L 27/15 (2006.01);
U.S. Cl.
CPC ...
H01L 33/502 (2013.01); H01L 33/52 (2013.01); H01L 27/156 (2013.01);
Abstract
A method of disposing a phosphor material on an LED such that the LED emits white light and adjusting the quantity of phosphor material such that the white light meets a color target. A formulated procedure is used to determine the adjustment required, and includes a correlation between a change in position of a color of an LED on a CIE diagram and a known quantity of phosphor material added to the LED.