- All sections
- H - Electricity
- H10K - Organic electric solid-state devices
- H10K 50/18 - Carrier blocking layers
Patent holdings for IPC class H10K 50/18
Total number of patents in this class: 788
10-year publication summary
|
1
|
3
|
16
|
30
|
44
|
126
|
111
|
94
|
184
|
147
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Samsung Display Co., Ltd. | 35374 |
120 |
| LG Chem, Ltd. | 17676 |
71 |
| Universal Display Corporation | 1936 |
69 |
| Samsung Electronics Co., Ltd. | 147787 |
55 |
| Boe Technology Group Co., Ltd. | 41668 |
53 |
| LG Display Co., Ltd. | 13830 |
47 |
| LT Materials Co., Ltd. | 411 |
36 |
| Merck Patent GmbH | 5767 |
30 |
| Idemitsu Kosan Co., Ltd. | 4237 |
28 |
| Duk San Neolux Co., Ltd. | 659 |
25 |
| Semiconductor Energy Laboratory Co., Ltd. | 11471 |
17 |
| Hodogaya Chemical Co., Ltd. | 434 |
14 |
| Novaled GmbH | 447 |
10 |
| Wuhan Tianma Micro-Electronics Co., Ltd. | 1144 |
10 |
| Magnolia White Corporation | 1112 |
9 |
| Shaanxi Lighte Optoelectronics Material Co., Ltd. | 274 |
8 |
| Wuhan Tianma Microelectronics Co., Ltd. Shanghai Branch | 632 |
8 |
| Samsung SDI Co., Ltd. | 8622 |
7 |
| Wuhan China Star Optoelectronics Semiconductor Display Technology Co., Ltd. | 5328 |
7 |
| Beijing BOE Technology Development Co., Ltd. | 2990 |
7 |
| Other owners | 157 |