Tiantian LI

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Langfang, CN

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Patents Grantslast 30 patents

Information Patent Grant
Organic light emitting diode, display panel and display device
- Patent number 11,462,708
- Issue date Oct 4, 2022
- Yungu (Gu'an) Technology Co., Ltd.
- Weiwei Li
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Organic light emitting diode, display panel and display device
- Patent number 11,374,191
- Issue date Jun 28, 2022
- Yungu (Gu'an) Technology Co., Ltd.
- Weiwei Li
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Organic light-emitting diode and display panel
- Patent number 11,362,294
- Issue date Jun 14, 2022
- Yungu (Gu'an) Technology Co., Ltd.
- Weiwei Li
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Organic electroluminescent device and an organic electroluminescent...
- Patent number 11,205,763
- Issue date Dec 21, 2021
- Yungu (Gu'an) Technology Co., Ltd.
- Weiwei Li
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Organic electroluminescent device
- Patent number 11,121,344
- Issue date Sep 14, 2021
- Yungu (Gu'an) Technology Co., Ltd.
- Xiaokang Zhou
- H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

Information Patent Application
ORGANIC LIGHT EMITTING DIODE, DISPLAY PANEL AND DISPLAY DEVICE
- Publication number 20200287154
- Publication date Sep 10, 2020
- Yungu (Gu'an) Technology Co., Ltd.
- Weiwei LI
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
ORGANIC LIGHT-EMITTING DIODE AND DISPLAY PANEL
- Publication number 20200266375
- Publication date Aug 20, 2020
- Yungu (Gu'an) Technology Co., Ltd.
- WEIWEI LI
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
ORGANIC LIGHT EMITTING DIODE, DISPLAY PANEL AND DISPLAY DEVICE
- Publication number 20200266379
- Publication date Aug 20, 2020
- Yungu (Gu'an) Technology Co., Ltd.
- Weiwei LI
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
ORGANIC ELECTROLUMINESCENT DEVICE
- Publication number 20200144549
- Publication date May 7, 2020
- Yungu (Gu'an) Technology Co., Ltd.
- Xiaokang ZHOU
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
ORGANIC ELECTROLUMINESCENT DEVICE AND AN ORGANIC ELECTROLUMINESCENT...
- Publication number 20200111985
- Publication date Apr 9, 2020
- Yungu (Gu'an) Technology Co., Ltd.
- Weiwei LI
- H01 - BASIC ELECTRIC ELEMENTS