- All sections
- H - Electricity
- H01L - Semiconductor devices not covered by class
- H01L 51/54 - Selection of materials
Patent holdings for IPC class H01L 51/54
Total number of patents in this class: 3244
10-year publication summary
|
219
|
201
|
185
|
130
|
154
|
206
|
186
|
83
|
8
|
0
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Samsung Display Co., Ltd. | 34595 |
257 |
| Universal Display Corporation | 1902 |
171 |
| Rohm and Haas Electronic Materials Korea Ltd. | 330 |
153 |
| Boe Technology Group Co., Ltd. | 40988 |
146 |
| Merck Patent GmbH | 5828 |
135 |
| UDC Ireland Limited | 480 |
125 |
| Idemitsu Kosan Co., Ltd. | 4214 |
117 |
| LG Chem, Ltd. | 17615 |
108 |
| Shaanxi Lighte Optoelectronics Material Co., Ltd. | 257 |
84 |
| Semiconductor Energy Laboratory Co., Ltd. | 11388 |
81 |
| Wuhan China Star Optoelectronics Semiconductor Display Technology Co., Ltd. | 5271 |
76 |
| Novaled GmbH | 441 |
70 |
| LG Display Co., Ltd. | 13401 |
62 |
| Guangdong Aglaia Optoelectronic Materials Co., Ltd. | 165 |
62 |
| Canon Inc. | 39765 |
58 |
| Guangzhou ChinaRay Optoelectronic Materials Ltd. | 148 |
55 |
| Sumitomo Chemical Company, Limited | 9046 |
49 |
| Global OLED Technology LLC | 506 |
49 |
| Samsung Electronics Co., Ltd. | 145630 |
47 |
| Shenzhen China Star Optoelectronics Technology Co., Ltd. | 8478 |
44 |
| Other owners | 1295 |