ALEXANDRIA, Va., July 21 -- United States Patent no. 12,688,007, issued on July 21, was assigned to LG Electronics Inc. (Seoul, South Korea).

"Display apparatus and operating method therefor" was invented by Hyojeong Jeong (Seoul, South Korea), Eunjung Lee (Seoul, South Korea), Taeyoung Kim (Seoul, South Korea), Kyungnam Bae (Seoul, South Korea), Byounghyun Shin (Seoul, South Korea) and Jeonghwan Kwon (Seoul, South Korea).

According to the abstract* released by the U.S. Patent & Trademark Office: "The present disclosure is to solve a problem that, when sound is not output because a sound output device is changed, this is mistaken as a defect of a display apparatus, and the present disclosure may comprise: a display which outputs an image;...