- All sections
- H - Electricity
- H10K - Organic electric solid-state devices
- H10K 50/12 - OLEDs or polymer light-emitting diodes [PLED] characterised by the electroluminescent [EL] layers comprising dopants
Patent holdings for IPC class H10K 50/12
Total number of patents in this class: 307
10-year publication summary
|
0
|
1
|
0
|
5
|
10
|
21
|
37
|
21
|
120
|
68
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Samsung Display Co., Ltd. | 30585 |
45 |
| Universal Display Corporation | 1678 |
30 |
| Idemitsu Kosan Co., Ltd. | 3995 |
22 |
| LG Display Co., Ltd. | 11907 |
19 |
| Semiconductor Energy Laboratory Co., Ltd. | 10902 |
18 |
| Samsung Electronics Co., Ltd. | 131630 |
17 |
| LG Chem, Ltd. | 17205 |
13 |
| Boe Technology Group Co., Ltd. | 35384 |
12 |
| Mitsubishi Chemical Corporation | 4313 |
10 |
| Nippon Steel Chemical & Material Co., Ltd. | 571 |
9 |
| Kyulux, Inc. | 191 |
6 |
| SFC Co., Ltd. | 277 |
6 |
| Wuhan China Star Optoelectronics Semiconductor Display Technology Co., Ltd. | 4721 |
6 |
| Canon Kabushiki Kaisha | 6884 |
6 |
| Solus Advanced Materials Co., Ltd. | 126 |
6 |
| Merck Patent GmbH | 5909 |
5 |
| Guangdong Aglaia Optoelectronic Materials Co., Ltd. | 144 |
4 |
| UDC Ireland Limited | 496 |
4 |
| Beijing Summer Sprout Technology Co., Ltd. | 113 |
4 |
| Rohm and Haas Electronic Materials Korea Ltd. | 546 |
3 |
| Other owners | 62 |