- 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: 890
10-year publication summary
|
44
|
40
|
31
|
59
|
64
|
83
|
52
|
20
|
3
|
0
|
| 2014 | 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Samsung Display Co., Ltd. | 27382 |
99 |
| LG Display Co., Ltd. | 11186 |
35 |
| Global OLED Technology LLC | 691 |
28 |
| Semiconductor Energy Laboratory Co., Ltd. | 11084 |
25 |
| Signify Holding B.V. | 6423 |
21 |
| Merck Patent GmbH | 6137 |
19 |
| Joled Inc. | 1462 |
16 |
| Au Optronics Corporation | 4316 |
15 |
| Lynk Labs, Inc. | 79 |
11 |
| Lutron Technology Company LLC | 2012 |
11 |
| Samsung Electronics Co., Ltd. | 120977 |
10 |
| Seiko Epson Corporation | 19250 |
9 |
| Boe Technology Group Co., Ltd. | 32470 |
9 |
| Landauer, Inc. | 104 |
9 |
| OSRAM OLED GmbH | 1956 |
9 |
| UDC Ireland Limited | 425 |
9 |
| 3m Innovative Properties Company | 20663 |
8 |
| BASF SE | 18923 |
8 |
| Canon Inc. | 36860 |
8 |
| Idemitsu Kosan Co., Ltd. | 3919 |
8 |
| Other owners | 523 |