- 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: 191
10-year publication summary
|
3
|
0
|
8
|
14
|
15
|
15
|
19
|
40
|
50
|
5
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Samsung Display Co., Ltd. | 37252 |
47 |
| Boe Technology Group Co., Ltd. | 42489 |
15 |
| LG Chem, Ltd. | 17737 |
9 |
| Novaled GmbH | 462 |
8 |
| Sharp Display Technology Corporation | 1072 |
8 |
| LG Display Co., Ltd. | 14085 |
7 |
| Semiconductor Energy Laboratory Co., Ltd. | 11608 |
7 |
| Beijing BOE Technology Development Co., Ltd. | 3748 |
7 |
| Samsung Electronics Co., Ltd. | 151485 |
6 |
| TCL Technology Group Corporation | 608 |
6 |
| Merck Patent GmbH | 5724 |
4 |
| Sharp Corporation | 10368 |
4 |
| Idemitsu Kosan Co., Ltd. | 4231 |
4 |
| Mitsubishi Chemical Corporation | 4666 |
4 |
| Tosoh Corporation | 1355 |
4 |
| Universal Display Corporation | 2003 |
4 |
| Nissan Chemical Corporation | 2131 |
4 |
| Wuhan China Star Optoelectronics Semiconductor Display Technology Co., Ltd. | 5404 |
4 |
| Duk San Neolux Co., Ltd. | 675 |
3 |
| Pictiva Displays International Limited | 258 |
3 |
| Other owners | 33 |