- All sections
- H - Electricity
- H01L - Semiconductor devices not covered by class
- H01L 31/12 - SEMICONDUCTOR DEVICES NOT COVERED BY CLASS - Details thereof structurally associated with, e.g. formed in or on a common substrate with, one or more electric light sources, e.g. electroluminescent light sources, and electrically or optically coupled thereto
Patent holdings for IPC class H01L 31/12
Total number of patents in this class: 1048
10-year publication summary
|
66
|
60
|
75
|
79
|
94
|
62
|
68
|
43
|
16
|
1
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Semiconductor Energy Laboratory Co., Ltd. | 11797 |
35 |
| Samsung Display Co., Ltd. | 38570 |
31 |
| Kyocera Corporation | 14335 |
31 |
| Samsung Electronics Co., Ltd. | 157557 |
29 |
| Suzhou Lekin Semiconductor Co., Ltd. | 1256 |
29 |
| Japan Display Inc. | 2993 |
19 |
| Sharp Kabushiki Kaisha | 18530 |
19 |
| Sony Corporation | 30208 |
17 |
| Nichia Corporation | 3872 |
17 |
| OSRAM OLED GmbH | 1392 |
17 |
| Rohm Co., Ltd. | 6824 |
15 |
| Sony Semiconductor Solutions Corporation | 11551 |
15 |
| LG Display Co., Ltd. | 14965 |
14 |
| Boe Technology Group Co., Ltd. | 44004 |
14 |
| Murata Manufacturing Co., Ltd. | 25722 |
13 |
| Panasonic Intellectual Property Management Co., Ltd. | 33911 |
12 |
| Advanced Semiconductor Engineering, Inc. | 1740 |
12 |
| Epistar Corporation | 830 |
12 |
| Toshiba Corporation | 12548 |
11 |
| Hamamatsu Photonics K.K. | 4669 |
10 |
| Other owners | 676 |