- All sections
- H - Electricity
- H05B - Electric heating; electric light sources not otherwise provided for; circuit 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: 795
10-year publication summary
|
40
|
31
|
59
|
64
|
83
|
52
|
20
|
4
|
10
|
1
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Samsung Display Co., Ltd. | 30585 |
85 |
| LG Display Co., Ltd. | 11907 |
31 |
| Signify Holding B.V. | 6837 |
22 |
| Global OLED Technology LLC | 590 |
21 |
| Semiconductor Energy Laboratory Co., Ltd. | 10902 |
17 |
| Merck Patent GmbH | 5909 |
16 |
| JDI Design and Development G.K. | 1182 |
14 |
| Lutron Technology Company LLC | 2300 |
12 |
| Au Optronics Corporation | 3880 |
11 |
| Lynk Labs, Inc. | 84 |
11 |
| Samsung Electronics Co., Ltd. | 131630 |
10 |
| UDC Ireland Limited | 496 |
10 |
| Landauer, Inc. | 99 |
9 |
| BASF SE | 19740 |
8 |
| Seiko Epson Corporation | 18724 |
8 |
| Boe Technology Group Co., Ltd. | 35384 |
8 |
| OSRAM OLED GmbH | 1841 |
8 |
| Universal Display Corporation | 1678 |
7 |
| Canon Inc. | 36841 |
6 |
| Koninklijke Philips Electronics N.V. | 13133 |
6 |
| Other owners | 475 |