WD

Weichong Du

Overall (All Time): #1,517,397 of 4,157,543Top 40%
3
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
9188856 Type of fine metal mask (FFM) used in OLED production and the method of manufacturing it Jianwei Han, Wenhui Mei 2015-11-17
9001305 Ultra-large size flat panel display maskless photolithography system and method Wenhui Mei, Lujie Qu 2015-04-07
8994916 Double-sided maskless exposure system and method Wenhui Mei, Lujie Qu 2015-03-31