US Patent No. 10,398,000

LED STRUCTURE WITH A DYNAMIC SPECTRUM AND A METHOD


Patent No. 10,398,000
Issue Date August 27, 2019
Title Led Structure With A Dynamic Spectrum And A Method
Inventorship
Assignee illumiPure Corp, Houston, TX (US)

Claim of US Patent No. 10,398,000

1. A method of adjusting an emission spectrum of a light emitting structure, the light emitting structure comprising a first light emitting semiconductor source emitting at a first peak of a first wavelength, and a second light emitting semiconductor source emitting at a second peak of a second wavelength, wherein the first and second light emitting semiconductor sources are electrically connected in series, the method comprising:supplying a common current of a first magnitude to the serially-connected first and second light emitting semiconductors sources, wherein the first and second wavelengths excite at least one wavelength conversion material to respectively produce emission peaks in the emission spectrum at third and fourth wavelengths, wherein an intensity of the peaks at the third and fourth wavelengths in the emission spectrum comprises a first ratio in response to the first magnitude of the common current; and
supplying a common current of a second magnitude to the serially-connected first and second light emitting semiconductors sources, wherein the intensity of the peaks at the third and fourth wavelengths in the emission spectrum comprises a second ratio in response to the second magnitude of the common current, wherein the second ratio is different from the first ratio.