- 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: 908
10-year publication summary
|
3
|
17
|
35
|
49
|
133
|
129
|
107
|
185
|
180
|
30
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Samsung Display Co., Ltd. | 37396 |
159 |
| LG Chem, Ltd. | 17759 |
76 |
| Universal Display Corporation | 2009 |
75 |
| Boe Technology Group Co., Ltd. | 42636 |
60 |
| LG Display Co., Ltd. | 14153 |
57 |
| LT Materials Co., Ltd. | 420 |
44 |
| Samsung Electronics Co., Ltd. | 152016 |
39 |
| Merck Patent GmbH | 5732 |
39 |
| Idemitsu Kosan Co., Ltd. | 4223 |
30 |
| Duk San Neolux Co., Ltd. | 675 |
27 |
| Semiconductor Energy Laboratory Co., Ltd. | 11617 |
18 |
| Hodogaya Chemical Co., Ltd. | 433 |
16 |
| Beijing BOE Technology Development Co., Ltd. | 3795 |
13 |
| Novaled GmbH | 463 |
11 |
| Wuhan Tianma Micro-Electronics Co., Ltd. | 1220 |
11 |
| Magnolia White Corporation | 5510 |
11 |
| Wuhan China Star Optoelectronics Semiconductor Display Technology Co., Ltd. | 5434 |
10 |
| Wuhan Tianma Microelectronics Co., Ltd. Shanghai Branch | 654 |
9 |
| Sharp Display Technology Corporation | 1092 |
9 |
| Shaanxi Lighte Optoelectronics Material Co., Ltd. | 304 |
8 |
| Other owners | 186 |