- All sections
- H - Electricity
- H05B - Electric heating electric light sources not otherwise provided forcircuit arrangements for electric light sources, in general
- H05B 33/00 - Electroluminescent light sources
Patent holdings for IPC class H05B 33/00
Total number of patents in this class: 694
10-year publication summary
|
31
|
59
|
64
|
83
|
53
|
20
|
5
|
10
|
5
|
1
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Samsung Display Co., Ltd. | 34539 |
65 |
| LG Display Co., Ltd. | 13397 |
26 |
| Signify Holding B.V. | 7489 |
22 |
| Global OLED Technology LLC | 506 |
16 |
| Merck Patent GmbH | 5829 |
14 |
| JDI Design and Development G.K. | 1196 |
14 |
| Lutron Technology Company LLC | 2532 |
13 |
| Semiconductor Energy Laboratory Co., Ltd. | 11377 |
12 |
| Au Optronics Corporation | 3505 |
10 |
| UDC Ireland Limited | 480 |
10 |
| BASF SE | 20904 |
8 |
| Seiko Epson Corporation | 19319 |
8 |
| Landauer, Inc. | 95 |
8 |
| Samsung Electronics Co., Ltd. | 145416 |
7 |
| Boe Technology Group Co., Ltd. | 40912 |
7 |
| Universal Display Corporation | 1900 |
7 |
| Canon Inc. | 39713 |
6 |
| ABL IP Holding LLC | 1902 |
6 |
| OSRAM OLED GmbH | 1779 |
6 |
| 3m Innovative Properties Company | 17857 |
5 |
| Other owners | 424 |