ALEXANDRIA, Va., Nov. 3 -- United States Patent no. 12,783,009, issued on Nov. 3, was assigned to SAMSUNG DISPLAY Co. LTD. (Gyeonggi-Do, South Korea).
"Wearable display device" was invented by Won Sang Park (Yongin-si, South Korea).
According to the abstract* released by the U.S. Patent & Trademark Office: "A wearable display device includes a housing formed in a ring or cylindrical shape, a display panel which is disposed inside the housing in a ring or cylindrical shape, detects a first light-sensing signal by emitting and receiving light in a first direction and detects a second light-sensing signal by emitting and receiving light in a second direction, and a main driver circuit which detects a user's pulse wave signal using the first ...