- 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: 281
10-year publication summary
|
0
|
0
|
1
|
8
|
18
|
30
|
62
|
37
|
72
|
42
|
| 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 |
42 |
| Universal Display Corporation | 1678 |
33 |
| LG Chem, Ltd. | 17205 |
29 |
| Samsung Electronics Co., Ltd. | 131630 |
20 |
| LG Display Co., Ltd. | 11907 |
18 |
| Boe Technology Group Co., Ltd. | 35384 |
17 |
| LT Materials Co., Ltd. | 312 |
12 |
| Duk San Neolux Co., Ltd. | 512 |
9 |
| Merck Patent GmbH | 5909 |
8 |
| Japan Display Inc. | 6202 |
7 |
| Hodogaya Chemical Co., Ltd. | 417 |
6 |
| Wuhan Tianma Micro-Electronics Co., Ltd. | 971 |
5 |
| Shaanxi Lighte Optoelectronics Material Co., Ltd. | 190 |
5 |
| Idemitsu Kosan Co., Ltd. | 3995 |
4 |
| Novaled GmbH | 369 |
4 |
| Pictiva Displays International Limited | 269 |
4 |
| Wuhan Tianma Microelectronics Co., Ltd. Shanghai Branch | 550 |
4 |
| Semiconductor Energy Laboratory Co., Ltd. | 10902 |
3 |
| Samsung SDI Co., Ltd. | 6671 |
3 |
| UDC Ireland Limited | 496 |
3 |
| Other owners | 45 |