Patent ID: 9530943
Filing Date: 2016-12-27
CPC Classification: H01L,H05B

Claim Text:
1. An emitter package comprising: a single ceramic substrate having a recess region formed on a top surface thereof and a plurality of bonding pads disposed within the recess region; and a plurality of LED chips disposed within the recess region and bonded to the bonding pads, wherein the ceramic substrate further includes a plurality of electrical paths disposed at least partially within the body of the ceramic substrate, the electrical paths electrically connecting the LED chips into three independently addressable groups, the three independently addressable groups including: wherein the emitter package is tunable to produce light in a range of color temperatures (CCT) from 2700 K to 6000 K with a color rendering index (CRI) of at least 90 at every CCT within the range of CCT from 2700 K to 6000 K.