ALEXANDRIA, Va., Feb. 11 -- United States Patent no. 12,549,856, issued on Feb. 10, was assigned to LG INNOTEK Co. LTD. (Seoul, South Korea).

"Actuator device" was invented by Jeong Gi You (Seoul, South Korea), Han Ul Kwon (Seoul, South Korea) and Hyun Joong Lee (Seoul, South Korea).

According to the abstract* released by the U.S. Patent & Trademark Office: "The actuator device according to the present embodiment comprises: a holder; a reflective member disposed on the holder; a rigid mover coupled to the holder; a first magnet disposed on the rigid mover; a second magnet generating a repulsive force with the first magnet; and a first driving magnet for tilting the holder, wherein the first driving magnet comprises a first surface in a di...