Patent ID: 8998444
Filing Date: 2015-04-07
Classification: F21K,F21S,F21Y,H01L,Y10S

Abstract:
1. A solid state lighting apparatus comprising: a plurality of light emitting diodes (LEDs) including at least a first LED and a second LED, wherein a combined light generated by a mixture of light from the pair of LEDs has about a target chromaticity, wherein the first LED includes a first LED chip that emits light in the blue or green portions of the visible spectrum and includes a phosphor that emits red light in response to light emitted by the first LED chip, and the second LED emits light having a color point that is above the planckian locus of a 1931 CIE Chromaticity diagram, wherein the second LED includes a second LED chip that emits light in the blue portion of the visible spectrum and includes a second phosphor that is configured to emit yellow light in response to the light emitted by the second LED chip, and wherein the first LED emits light that is a combination of the blue or green portions of the visible spectrum from the first LED chip and the red light emitted by the phosphor.