公开(公告)号：US20170373231A1

公开(公告)日：2017-12-28

申请号：US15538162

申请日：2015-12-23

Applicant: KONINKLIJKE PHILIPS N.V.

Inventor： Gerd Mueller ,  Regina Mueller-Mach ,  Peter Josef Schmidt ,  Danielle Russel Chamberlin ,  Oleg Borisovich Shchekin ,  Hans-Helmut Bechtel

IPC: H01L33/50 ,  H01L33/00 ,  H01L33/30

CPC classification number: H01L33/502 ,  H01L33/0095 ,  H01L33/30 ,  H01L33/504 ,  H01L33/505 ,  H01L33/508 ,  H01L2933/0041

Abstract: In a method according to embodiments of the invention, for a predetermined amount of light produced by a light emitting diode and converted by a phosphor layer comprising a host material and a dopant, and for a predetermined maximum reduction in efficiency of the phosphor at increasing excitation density, a maximum dopant concentration of the phosphor layer is selected.