ALEXANDRIA, Va., Oct. 21 -- United States Patent no. 12,446,472, issued on Oct. 14, was assigned to Beijing BOE Technology Development Co. Ltd. (Beijing).
"Vibration panel, manufacturing method and driving method therefor and vibration apparatus" was invented by Xiaotong Liu (Beijing) and Yuju Chen (Beijing).
According to the abstract* released by the U.S. Patent & Trademark Office: "Disclosed are a vibration panel, a manufacturing method and driving method therefor and a vibration apparatus. The vibration panel includes: a base substrate having at least one vibration element, where at least one annular hollow pattern is provided at a portion, corresponding to each vibration element, of the base substrate, an orthographic projection of th...