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Defeng Bi

SC Shanghai Tianma Am-Oled Co.: 3 patents #72 of 214Top 35%
TC Tianma Microelectronics Co.: 2 patents #166 of 431Top 40%
Overall (All Time): #1,455,897 of 4,157,543Top 40%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
10759802 Compound, preparation method thereof and organic light emitting display device Zhengchuan Zhang, Hao Dai 2020-09-01
9991448 Compound, luminescent material and organic light emitting device using same Zhengchuan Zhang, Hao Dai 2018-06-05
9853241 Organic light-emitting display apparatus and fabrication method thereof Kaen Jiang 2017-12-26