ALEXANDRIA, Va., Feb. 17 -- United States Patent no. 12,557,540, issued on Feb. 17, was assigned to MAGNOLIA WHITE Corp. (Tokyo).
"Manufacturing method of display device and evaporation device" was invented by Hirofumi Mizukoshi (Tokyo), Kaichi Fukuda (Tokyo), Takanobu Takenaka (Tokyo) and Masaru Takayama (Tokyo).
According to the abstract* released by the U.S. Patent & Trademark Office: "According to one embodiment, a processing substrate is prepared. An organic layer is formed. An etching stopper layer is formed. The forming the etching stopper layer includes, in a first mode, inclining an evaporation source, and depositing a material emitted from the evaporation source while relative positions of the evaporation source and the processi...