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last 30 patents
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Patent Grant
Organic electroluminescent materials and devices
Patent number
12,274,167
Issue date
Apr 8, 2025
Beijing Summer Sprout Technology Co., Ltd.
Hualong Ding
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Organic electroluminescent materials and devices
Patent number
12,239,018
Issue date
Feb 25, 2025
Beijing Summer Sprout Technology Co., Ltd.
Zhihao Cui
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Grant
Organic electroluminescent materials and devices
Patent number
12,207,550
Issue date
Jan 21, 2025
Beijing Summer Sprout Technology Co., Ltd.
Hualong Ding
C07 - ORGANIC CHEMISTRY
Patents Applications
last 30 patents
Information
Patent Application
ORGANIC ELECTROLUMINESCENT DEVICE
Publication number
20240276869
Publication date
Aug 15, 2024
BEIJING SUMMER SPROUT TECHNOLOGY CO., LTD.
Renjie ZHENG
Information
Patent Application
ORGANIC ELECTROLUMINESCENT DEVICE
Publication number
20240260289
Publication date
Aug 1, 2024
BEIJING SUMMER SPROUT TECHNOLOGY CO., LTD.
Jing Wang
Information
Patent Application
ORGANIC ELECTROLUMINESCENT MATERIAL AND DEVICE THEREOF
Publication number
20240247008
Publication date
Jul 25, 2024
BEIJING SUMMER SPROUT TECHNOLOGY CO., LTD.
Renjie Zheng
C07 - ORGANIC CHEMISTRY
Information
Patent Application
ORGANIC ELECTROLUMINESCENT DEVICE
Publication number
20230422609
Publication date
Dec 28, 2023
BEIJING SUMMER SPROUT TECHNOLOGY CO., LTD.
Menglan Xie
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Application
ORGANIC ELECTROLUMINESCENT DEVICE
Publication number
20230422538
Publication date
Dec 28, 2023
BEIJING SUMMER SPROUT TECHNOLOGY CO., LTD.
Menglan Xie
Information
Patent Application
ORGANIC ELECTROLUMINESCENT MATERIAL AND DEVICE
Publication number
20230309388
Publication date
Sep 28, 2023
BEIJING SUMMER SPROUT TECHNOLOGY CO., LTD.
Zhihao Cui
C07 - ORGANIC CHEMISTRY
Information
Patent Application
ORGANIC ELECTROLUMINESCENT MATERIAL AND DEVICE THEREOF
Publication number
20230137110
Publication date
May 4, 2023
BEIJING SUMMER SPROUT TECHNOLOGY CO., LTD.
Zhihao Cui
C07 - ORGANIC CHEMISTRY
Information
Patent Application
ORGANIC ELECTROLUMINESCENT DEVICE
Publication number
20230055865
Publication date
Feb 23, 2023
BEIJING SUMMER SPROUT TECHNOLOGY CO., LTD.
Menglan Xie
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
ORGANIC ELECTROLUMINESCENT DEVICE
Publication number
20220407026
Publication date
Dec 22, 2022
BEIJING SUMMER SPROUT TECHNOLOGY CO., LTD.
Huiqing PANG
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
NOVEL ORGANIC ELECTROLUMINESCENT MATERIALS AND DEVICES
Publication number
20220140252
Publication date
May 5, 2022
BEIJING SUMMER SPROUT TECHNOLOGY CO., LTD.
Hualong Ding
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
ORGANIC ELECTROLUMINESCENT MATERIALS AND DEVICES
Publication number
20220020935
Publication date
Jan 20, 2022
BEIJING SUMMER SPROUT TECHNOLOGY CO., LTD.
Hualong Ding
C07 - ORGANIC CHEMISTRY
Information
Patent Application
ORGANIC ELECTROLUMINESCENT MATERIALS AND DEVICES
Publication number
20210296594
Publication date
Sep 23, 2021
BEIJING SUMMER SPROUT TECHNOLOGY CO., LTD.
Hualong DING
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
ORGANIC ELECTROLUMINESCENT MATERIALS AND DEVICES
Publication number
20210280795
Publication date
Sep 9, 2021
BEIJING SUMMER SPROUT TECHNOLOGY CO., LTD.
Zhihao CUI
H01 - BASIC ELECTRIC ELEMENTS