- 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: 3209
10-year publication summary
|
201
|
185
|
130
|
155
|
209
|
211
|
108
|
12
|
3
|
0
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Samsung Display Co., Ltd. | 38092 |
254 |
| Universal Display Corporation | 2059 |
173 |
| Rohm and Haas Electronic Materials Korea Ltd. | 332 |
153 |
| Boe Technology Group Co., Ltd. | 43343 |
146 |
| Merck Patent GmbH | 5669 |
130 |
| UDC Ireland Limited | 514 |
125 |
| Idemitsu Kosan Co., Ltd. | 4213 |
118 |
| LG Chem, Ltd. | 17883 |
109 |
| Shaanxi Lighte Optoelectronics Material Co., Ltd. | 316 |
84 |
| Semiconductor Energy Laboratory Co., Ltd. | 11705 |
79 |
| Wuhan China Star Optoelectronics Semiconductor Display Technology Co., Ltd. | 5484 |
76 |
| Novaled GmbH | 472 |
71 |
| LG Display Co., Ltd. | 14437 |
63 |
| Guangdong Aglaia Optoelectronic Materials Co., Ltd. | 175 |
62 |
| Canon Inc. | 42633 |
56 |
| Guangzhou ChinaRay Optoelectronic Materials Ltd. | 149 |
56 |
| Samsung Electronics Co., Ltd. | 155224 |
48 |
| Sumitomo Chemical Company, Limited | 9015 |
47 |
| Global OLED Technology LLC | 456 |
46 |
| Shenzhen China Star Optoelectronics Technology Co., Ltd. | 8473 |
44 |
| Other owners | 1269 |