US Patent Issued to Huawei Technologies'Co., 'Ltd.' on Sept. 22 for "Light emitting diode (LED) display circuit adjusting value of reference current in current mirror branches" (Chinese Inventors)

ALEXANDRIA, Va., Sept. 24 -- United States Patent no. 12,743,990, issued on Sept. 22, was assigned to Huawei Technologies'Co.'Ltd.' (Shenzhen, China).

"Light emitting diode (LED) display circuit adjusting value of reference current in current mirror branches" was invented by Kun Luo (Shenzhen, China), Cuiping Zhang (Shenzhen, China) and Hezi Qiu (Shanghai).

According to the abstract* released by the U.S. Patent & Trademark Office: "A display circuit includes a plurality of current source branches and a plurality of pixel branches. Each current source branch includes a first transistor and a control circuit. Each pixel branch includes a second transistor, a pulse width control switch transistor, and a pixel unit that are connected in serie...