ALEXANDRIA, Va., July 23 -- United States Patent no. 12,368,364, issued on July 22, was assigned to Microsoft Technology Licensing LLC (Redmond, Wash.).
"Polarity switching power supply device" was invented by Chang Joon Park (Sunnyvale, Calif.), Mike Voong (Daly City, Calif.) and Brock McCray Roland (San Bruno, Calif.).
According to the abstract* released by the U.S. Patent & Trademark Office: "Examples are disclosed that relate to a power supply device for controlling a liquid crystal display (LCD) panel in a reliable and power efficient manner. In one example, the power supply device includes a positive-side switching converter, a negative-side switching converter, and a controller. In an active-bias mode, the controller controls the p...