Inventor
ZHANG YONGFENG
CN15 patents
⚠️ This page may combine multiple inventors who share the name “ZHANG YONGFENG”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
BOE TECHNOLOGY GROUP CO LTD
8 patentsUS11943973B2Mar 26, 2024
Preparation method of display panel, display panel and displaying device
BOE TECHNOLOGY GROUP CO LTD2 citations72
US12342687B2Jun 24, 2025
Preparation method of display panel, display panel and displaying device
BOE TECHNOLOGY GROUP CO LTD0 citations62
US12185571B2Dec 31, 2024
Display substrate, manufacturing method thereof and three-dimensional display apparatus
BOE TECHNOLOGY GROUP CO LTD0 citations52
US12408530B2Sep 2, 2025
Display panel, manufacturing method therefor, and display apparatus
BOE TECHNOLOGY GROUP CO LTD0 citations51
US11703693B2Jul 18, 2023
Array substrate and manufacturing method thereof, three-dimensional display panel and display device
BOE TECHNOLOGY GROUP CO LTD0 citations51
US10066289B2Sep 4, 2018
Evaporation crucible and evaporation device
BOE TECHNOLOGY GROUP CO LTD0 citations50
US12550524B2Feb 10, 2026
Display substrate and manufacturing method thereof, preparation apparatus and display apparatus
BOE TECHNOLOGY GROUP CO LTD0 citations46
US10316402B2Jun 11, 2019
Crucible and vacuum evaporation device
BOE TECHNOLOGY GROUP CO LTD0 citations40