- 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: 666
10-year publication summary
|
58
|
63
|
82
|
51
|
19
|
5
|
10
|
5
|
1
|
0
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Samsung Display Co., Ltd. | 37127 |
60 |
| Signify Holding B.V. | 7770 |
22 |
| LG Display Co., Ltd. | 14035 |
21 |
| Merck Patent GmbH | 5727 |
13 |
| Global OLED Technology LLC | 475 |
13 |
| Lutron Technology Company LLC | 2664 |
13 |
| Magnolia Blue Corporation | 1164 |
13 |
| Semiconductor Energy Laboratory Co., Ltd. | 11583 |
12 |
| UDC Ireland Limited | 463 |
10 |
| BASF SE | 21135 |
8 |
| Seiko Epson Corporation | 19809 |
8 |
| Landauer, Inc. | 96 |
8 |
| Boe Technology Group Co., Ltd. | 42421 |
7 |
| Universal Display Corporation | 1997 |
7 |
| Samsung Electronics Co., Ltd. | 151017 |
6 |
| Canon Inc. | 41573 |
6 |
| ABL IP Holding LLC | 1904 |
6 |
| OSRAM OLED GmbH | 1759 |
6 |
| 3m Innovative Properties Company | 17614 |
5 |
| Sharp Corporation | 10358 |
5 |
| Other owners | 417 |