US Patent Issued to Lumileds Singapore on Dec. 9 for "Driving for multi-junction polychromic display devices" (California, Illinois Inventors)

ALEXANDRIA, Va., Dec. 9 -- United States Patent no. 12,494,155, issued on Dec. 9, was assigned to Lumileds Singapore Pte. Ltd. (Singapore).

"Driving for multi-junction polychromic display devices" was invented by Daniel Herrera (Santa Clara, Calif.), Ronald Johannes Bonne (Plainfield, Ill.) and Lisheng Shi (San Jose, Calif.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A lighting system and method of driving an array within the lighting system are disclosed. The array includes vertically-stacked multi-color micro light-emitting diode (microLED) devices that emit light of different colors. Driving circuits and a ground switching circuit are controlled by processing circuitry to sequentially emit the colors o...