ALEXANDRIA, Va., Oct. 28 -- United States Patent no. 12,452,489, issued on Oct. 21, was assigned to LG Electronics Inc. (Seoul, South Korea).
"Display device" was invented by Sungyun Lee (Seoul, South Korea).
According to the abstract* released by the U.S. Patent & Trademark Office: "Disclosed is a display device. The display device of the present disclosure comprises: a carrier having a built-in battery and a display panel driven by receiving power from the batter, wherein the carrier has a power reception unit for charging the battery and a sensing unit for sensing the remaining battery amount; a cradle which approaches or moves away from the carrier, wherein the cradle has a power transmission unit for providing power to the power rece...