- 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: 704
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. | 33684 |
67 |
| LG Display Co., Ltd. | 13015 |
28 |
| Signify Holding B.V. | 7344 |
22 |
| Global OLED Technology LLC | 516 |
17 |
| Merck Patent GmbH | 5825 |
14 |
| JDI Design and Development G.K. | 1177 |
14 |
| Lutron Technology Company LLC | 2480 |
13 |
| Semiconductor Energy Laboratory Co., Ltd. | 11245 |
12 |
| Au Optronics Corporation | 3554 |
10 |
| UDC Ireland Limited | 484 |
10 |
| BASF SE | 20616 |
8 |
| Seiko Epson Corporation | 19167 |
8 |
| Landauer, Inc. | 95 |
8 |
| Samsung Electronics Co., Ltd. | 142124 |
7 |
| Boe Technology Group Co., Ltd. | 40117 |
7 |
| OSRAM OLED GmbH | 1787 |
7 |
| Universal Display Corporation | 1851 |
7 |
| Canon Inc. | 39005 |
6 |
| ABL IP Holding LLC | 1902 |
6 |
| 3m Innovative Properties Company | 17865 |
5 |
| Other owners | 428 |