US Patent Issued to Lumileds Singapore on Dec. 23 for "Ultra-smooth sidewall pixelated array LEDs" (California Inventors)

ALEXANDRIA, Va., Dec. 23 -- United States Patent no. 12,507,520, issued on Dec. 23, was assigned to Lumileds Singapore Pte. Ltd. (Singapore).

"Ultra-smooth sidewall pixelated array LEDs" was invented by Hisashi Masui (San Jose, Calif.), Ken Shimizu (Sunnyvale, Calif.) and Emma Dohner (Redwood City, Calif.).

According to the abstract* released by the U.S. Patent & Trademark Office: "Pixelated array light emitters are formed with closely-spaced pixels having ultra-smooth sidewalls. In methods for making such pixelated array light emitters, a converter layer of phosphor particles dispersed in a binder is disposed on a carrier, and then singulated by saw cuts or similar methods to form an array of phosphor pixels. The binder is fully cured pr...