- 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: 674
10-year publication summary
|
0
|
2
|
15
|
28
|
39
|
118
|
85
|
91
|
180
|
88
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Samsung Display Co., Ltd. | 34230 |
99 |
| Universal Display Corporation | 1879 |
67 |
| LG Chem, Ltd. | 17561 |
61 |
| Samsung Electronics Co., Ltd. | 144143 |
53 |
| Boe Technology Group Co., Ltd. | 40613 |
42 |
| LG Display Co., Ltd. | 13181 |
33 |
| LT Materials Co., Ltd. | 401 |
31 |
| Merck Patent GmbH | 5850 |
24 |
| Duk San Neolux Co., Ltd. | 639 |
22 |
| Idemitsu Kosan Co., Ltd. | 4152 |
18 |
| Semiconductor Energy Laboratory Co., Ltd. | 11358 |
14 |
| Hodogaya Chemical Co., Ltd. | 436 |
13 |
| Japan Display Inc. | 7061 |
10 |
| Novaled GmbH | 429 |
10 |
| Wuhan Tianma Micro-Electronics Co., Ltd. | 1113 |
9 |
| Samsung SDI Co., Ltd. | 8048 |
8 |
| Shaanxi Lighte Optoelectronics Material Co., Ltd. | 255 |
8 |
| Wuhan Tianma Microelectronics Co., Ltd. Shanghai Branch | 614 |
7 |
| Beijing BOE Technology Development Co., Ltd. | 2682 |
6 |
| DuPont Specialty Materials Korea Ltd. | 286 |
6 |
| Other owners | 133 |