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公开(公告)号：US20190326484A1
公开(公告)日：2019-10-24
申请号：US16390714
申请日：2019-04-22
Applicant: Cree, Inc.
Inventor： Erin Welch , Paul Thomas Fini , Eric Tarsa , Kenneth Morgan Davis
Abstract: A semiconductor light emitting device includes a light emitting diode (LED) chip, a recipient luminophoric medium on the LED chip, a patterned superstrate on the recipient luminophoric medium opposite the LED chip, the patterned superstrate comprising a patterned superstrate on the recipient luminophoric medium opposite the LED chip, the patterned superstrate comprising a patterned surface that is configured to reduce a variation in a color point of a light emitted by the semiconductor light emitting device as a function of an angle off an optical axis of the LED chip.
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