Patent ID: 11949041
Assignee: LUMILEDS, LLC
Field: Semiconductors (Electrical engineering)
Classification: CPC G  H  B | IPC B  G  H

Claim 0:
1. A light emitting diode (LED) device comprising:
a light emitting semiconductor structure that in operation emits light having a peak wavelength,
a reflective structure comprising:
a distributed Bragg reflector (DBR) configured to reflect light emitted by the light emitting semiconductor structure at the peak wavelength and incident with transverse-electric (TE) polarization on the reflective structure; and
a reflective layer configured to reflect light emitted by the light emitting semiconductor structure at the peak wavelength and incident with transverse-magnetic (TM) polarization on the reflective structure, the reflective layer comprising one or more of SiO2, TiO2, MgF, and Nb2O5; and
a bottom metal reflector that is Ag free.