- All sections
- H - Electricity
- H10K - Organic electric solid-state devices
- H10K 50/155 - Hole transporting layers comprising dopants
Patent holdings for IPC class H10K 50/155
Total number of patents in this class: 139
10-year publication summary
|
0
|
3
|
0
|
7
|
11
|
13
|
11
|
16
|
39
|
23
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Samsung Display Co., Ltd. | 34290 |
28 |
| Boe Technology Group Co., Ltd. | 40653 |
12 |
| LG Chem, Ltd. | 17564 |
9 |
| LG Display Co., Ltd. | 13226 |
7 |
| Novaled GmbH | 438 |
7 |
| Beijing BOE Technology Development Co., Ltd. | 2692 |
7 |
| Samsung Electronics Co., Ltd. | 144426 |
5 |
| Semiconductor Energy Laboratory Co., Ltd. | 11371 |
4 |
| Idemitsu Kosan Co., Ltd. | 4166 |
4 |
| Mitsubishi Chemical Corporation | 4492 |
4 |
| Nissan Chemical Corporation | 1982 |
4 |
| Wuhan China Star Optoelectronics Semiconductor Display Technology Co., Ltd. | 5240 |
4 |
| TCL Technology Group Corporation | 568 |
4 |
| Duk San Neolux Co., Ltd. | 640 |
3 |
| Universal Display Corporation | 1885 |
3 |
| Pictiva Displays International Limited | 264 |
3 |
| Sharp Corporation | 10302 |
2 |
| Nippon Soda Co., Ltd. | 891 |
2 |
| OSRAM OLED GmbH | 1783 |
2 |
| Tosoh Corporation | 1270 |
2 |
| Other owners | 23 |