- All sections
- H - Electricity
- H01L - Semiconductor devices not covered by class
- H01L 33/26 - Materials of the light emitting region
Patent holdings for IPC class H01L 33/26
Total number of patents in this class: 496
10-year publication summary
|
30
|
39
|
43
|
52
|
66
|
65
|
46
|
38
|
35
|
13
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Nichia Corporation | 3394 |
25 |
| Samsung Electronics Co., Ltd. | 131630 |
24 |
| Silanna UV Technologies Pte Ltd | 83 |
22 |
| Samsung Display Co., Ltd. | 30585 |
18 |
| Flosfia Inc. | 210 |
18 |
| Epistar Corporation | 1553 |
15 |
| OSRAM OLED GmbH | 1841 |
11 |
| Suzhou Lekin Semiconductor Co., Ltd. | 1710 |
8 |
| LG Display Co., Ltd. | 11907 |
7 |
| Shenzhen China Star Optoelectronics Technology Co., Ltd. | 8635 |
7 |
| OSRAM Opto Semiconductors GmbH | 3390 |
7 |
| Kyoto University | 2732 |
7 |
| Lumileds LLC | 1827 |
7 |
| Seoul Viosys Co., Ltd. | 1359 |
7 |
| Creeled, Inc. | 748 |
6 |
| Aledia | 303 |
5 |
| X Display Company Technology Limited | 278 |
5 |
| TCL Technology Group Corporation | 466 |
5 |
| Sharp Corporation | 10015 |
4 |
| FUJIFILM Corporation | 27102 |
4 |
| Other owners | 284 |