- 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: 3208
10-year publication summary
|
201
|
185
|
130
|
155
|
209
|
212
|
115
|
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. | 38470 |
256 |
| Universal Display Corporation | 2075 |
174 |
| Rohm and Haas Electronic Materials Korea Ltd. | 332 |
153 |
| Boe Technology Group Co., Ltd. | 43856 |
146 |
| Merck Patent GmbH | 5725 |
130 |
| UDC Ireland Limited | 510 |
122 |
| Idemitsu Kosan Co., Ltd. | 4225 |
119 |
| LG Chem, Ltd. | 17929 |
109 |
| Shaanxi Lighte Optoelectronics Material Co., Ltd. | 317 |
84 |
| Semiconductor Energy Laboratory Co., Ltd. | 11775 |
79 |
| Wuhan China Star Optoelectronics Semiconductor Display Technology Co., Ltd. | 5529 |
76 |
| Novaled GmbH | 481 |
71 |
| LG Display Co., Ltd. | 14919 |
64 |
| Guangdong Aglaia Optoelectronic Materials Co., Ltd. | 176 |
62 |
| Canon Inc. | 43059 |
56 |
| Guangzhou ChinaRay Optoelectronic Materials Ltd. | 150 |
56 |
| Samsung Electronics Co., Ltd. | 157039 |
48 |
| Sumitomo Chemical Company, Limited | 9016 |
47 |
| Global OLED Technology LLC | 445 |
45 |
| Shenzhen China Star Optoelectronics Technology Co., Ltd. | 8472 |
44 |
| Other owners | 1267 |