ALEXANDRIA, Va., Aug. 25 -- United States Patent no. 12,721,007, issued on Aug. 25, was assigned to MAGNOLIA WHITE Corp. (Tokyo).

"Manufacturing method of display device and mother substrate for display device" was invented by Kaichi Fukuda (Tokyo).

According to the abstract* released by the U.S. Patent & Trademark Office: "According to one embodiment, a manufacturing method includes preparing a substrate including panel portions and a margin area, forming lower electrodes, forming a rib, forming a first partition in the margin area, forming a first stacked film, and forming a first sealing layer. The first stacked film is formed in an entire of the substrate and is divided into portions by the first partition. The first sealing layer con...