Patents/Inventors

Jianfei Yao

BeijingCN2 patents

3 Patents

US124578932025
Organic Electroluminescent Device
BEIJING SUMMER SPROUT TECHNOLOGY CO., Ltd.
0 cites
US124212472025
Organic Electroluminescent Material and Device Thereof
BEIJING SUMMER SPROUT TECHNOLOGY CO., Ltd.
0 cites
US123981502025
Organic Electroluminescent Material and Device Thereof
BEIJING SUMMER SPROUT TECHNOLOGY CO., Ltd.
0 cites