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1. (WO2017156510) METHOD FOR APPLYING PHOSPHOR TO LIGHT EMITTING DIODES AND APPARATUS THEREOF

Pub. No.:    WO/2017/156510    International Application No.:    PCT/US2017/021988
Publication Date: Fri Sep 15 01:59:59 CEST 2017 International Filing Date: Sun Mar 12 00:59:59 CET 2017
IPC: H01L 33/50
Applicants: ROHINNI, LLC
Inventors: HUSKA, Andrew
PETERSON, Cody
ADAMS, Clinton
HANSEN, Monica
Title: METHOD FOR APPLYING PHOSPHOR TO LIGHT EMITTING DIODES AND APPARATUS THEREOF
Abstract:
A method of applying phosphor to an unpackaged Light-Emitting Diode (LED) die includes transferring the unpackaged LED die directly to a product substrate; disposing a coverlay on the product substrate to create a cavity around the unpackaged LED die; and applying phosphor to substantially fill the cavity around the unpackaged LED die, the applying including at least one of using a squeegee to place the phosphor into the cavity, spraying the cavity with the phosphor, or disposing the phosphor in a sheet form onto the unpackaged LED die.