Patent ID: 9660152
Date: 2017-05-23
CPC Classifications: C09K,H01L,Y02B

Claim:
1. An optical device comprising: a mounting member; at least one light emitting diode (LED) provided overlying a portion of the mounting member, the at least one LED comprising an active region configured to emit electromagnetic radiation within a range from 405 to 430 nanometers; a mixture of phosphor materials including a first phosphor material, a second phosphor material, and a third phosphor material, the mixture of phosphor materials disposed within a vicinity of the at least one LED and configured to interact with the electromagnetic radiation to substantially convert the electromagnetic radiation within the wavelength range from 405 nm to 430 nm to wavelengths within a range from 440 nm to 650 nm; and wherein the first phosphor material comprises a blue phosphor having an absorption peak in a wavelength range from 405 nm to 430 nm.