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:
Apr. 19, 2022
Filed:
Apr. 22, 2019
Creeled, Inc., Durham, NC (US);
Erin Welch, Ann Arbor, MI (US);
Paul Thomas Fini, Santa Barbara, CA (US);
Eric Tarsa, Goleta, CA (US);
Kenneth Morgan Davis, Raleigh, NC (US);
CREE LED, INC., Newark, CA (US);
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.