ALEXANDRIA, Va., Nov. 18 -- United States Patent no. 12,477,900, issued on Nov. 18, was assigned to Chengdu BOE Optoelectronics Technology Co. Ltd. (Sichuan, China) and Beijing BOE Technology Development Co. Ltd. (Beijing).
"Mask plate, display substrate and manufacturing method thereof, and display device" was invented by Zhe Xu (Beijing), Wenxuan Zhang (Beijing), Fei You (Beijing), Fei Liao (Beijing), Ce Li (Beijing) and Long Jiang (Beijing).
According to the abstract* released by the U.S. Patent & Trademark Office: "A mask plate is used for manufacturing a pixel definition layer of the display substrate, which includes first transparent patterns and first opaque patterns, and further includes transition structures located between the f...