ALEXANDRIA, Va., Aug. 26 -- United States Patent no. 12,399,578, issued on Aug. 26, was assigned to SAMSUNG DISPLAY Co. LTD. (Yongin-si, South Korea).
"Touch input device and display device using the same" was invented by Gi Na Yoo (Cheonan-si, South Korea), Ju Yeon Kim (Asan-si, South Korea), Won Sang Park (Yongin-si, South Korea), Chang Woo Shim (Cheonan-si, South Korea) and Seong Jun Lee (Seoul, South Korea).
According to the abstract* released by the U.S. Patent & Trademark Office: "A touch input device includes a communication module receiving external light characteristic information. A code detector emits infrared light and receives infrared light reflected from a display panel to detect code patterns of the display panel. A light ...