ALEXANDRIA, Va., Sept. 1 -- United States Patent no. 12,727,384, issued on Sept. 1, was assigned to LG Display Co. Ltd. (Seoul, South Korea).
"Vibration apparatus and sound apparatus including the same" was invented by Yuseon Kho (Paju-si, South Korea), Jaeyoung Lim (Paju-si, South Korea), Sooyoun Kim (Paju-si, South Korea) and Yongwoo Lee (Paju-si, South Korea).
According to the abstract* released by the U.S. Patent & Trademark Office: "A vibration apparatus includes a vibration device. The vibration device includes a vibration portion including a piezoelectric material, a first electrode portion at a first surface of the vibration portion and configured as a plurality of circular patterns, and a second electrode portion at a second surf...