Patent ID: 9269697
Filing Date: 2016-02-23
CPC Classification: F21V,F21Y,H01L

Claim Text:
1. An LED (light-emitting diode) light emitter, comprising: a single emitter structure having a substrate with a plurality of LED dies arranged thereon, wherein the plurality of LED dies includes at least one white LED die that produces a white light, and at least one red LED die that produces a red light, a total-internal-reflection (TIR) lens positioned to collect light emitted from the single emitter structure and adapted to mix the light from the plurality of LED dies to produce a uniform warm white light; wherein the white LED dies are selected such that the light output by the LED light emitter has a desired color temperature when the number of white LED dies is twice the number of red LED dies, and an equal current is supplied to all of the plurality of LEDs; wherein the plurality of LEDs consists of 16 white LED dies and eight red LED dies arranged symmetrically in a 5×5 grid, with four red LED dies placed in corners.