ALEXANDRIA, Va., June 4 -- United States Patent no. 12,322,664, issued on June 3, was assigned to SAMSUNG DISPLAY Co. LTD. (Yongin-si, South Korea).
"Display panel and test method thereof" was invented by Hae Kwan Seo (Yongin-si, South Korea), Young Ha Sohn (Yongin-si, South Korea) and Woo Mi Bae (Yongin-si, South Korea).
According to the abstract* released by the U.S. Patent & Trademark Office: "A method of testing a display panel includes applying a test voltage to each of data lines; applying a gate signal to each of the gate lines; measuring a sensing voltage applied to end of the light emitting unit of each of the pixels by the pixel circuit in response to the gate signal and the test voltage; and determining whether the light emitti...