ALEXANDRIA, Va., Nov. 6 -- United States Patent no. 12,464,614, issued on Nov. 4.
"System and method for producing high quality temperature adjustable white light" was invented by Morten Hjerde (Vinterbro, Norway).
According to the abstract* released by the U.S. Patent & Trademark Office: "Systems and methods of producing high quality temperature adjustable white light using six different colored LEDs is disclosed. In one embodiment the six LEDs are a Red (630 nm), an Amber (589 nm), a lime LED (568 nm), a green LED (540 nm) a cyan LED (505 nm) and a blue (430 nm). Optimal relative intensities of the RGBACL LED are calculated by solving a matrix relating the CIE tristimulus values Alternatively, optimum relative intensities may be calcula...