- All sections
- H - Electricity
- H10K - Organic electric solid-state devices
- H10K 50/13 - OLEDs or polymer light-emitting diodes [PLED] characterised by the electroluminescent [EL] layers specially adapted for multicolour light emission, e.g. for emitting white light comprising stacked EL layers within one EL unit
Patent holdings for IPC class H10K 50/13
Total number of patents in this class: 188
10-year publication summary
|
1
|
1
|
3
|
1
|
4
|
6
|
47
|
25
|
61
|
35
|
| 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 |
38 |
| LG Display Co., Ltd. | 11907 |
35 |
| Semiconductor Energy Laboratory Co., Ltd. | 10902 |
28 |
| Idemitsu Kosan Co., Ltd. | 3995 |
9 |
| Universal Display Corporation | 1678 |
8 |
| Canon Inc. | 36841 |
6 |
| Boe Technology Group Co., Ltd. | 35384 |
6 |
| Samsung Electronics Co., Ltd. | 131630 |
5 |
| Sharp Corporation | 10015 |
4 |
| Japan Display Inc. | 6202 |
4 |
| Canon Kabushiki Kaisha | 6884 |
4 |
| Beijing Summer Sprout Technology Co., Ltd. | 113 |
4 |
| Wuhan China Star Optoelectronics Semiconductor Display Technology Co., Ltd. | 4721 |
3 |
| Arizona Board of Regents on behalf of Arizona State University | 2226 |
2 |
| OTI Lumionics Inc. | 119 |
2 |
| Cas Co., Ltd. | 8 |
2 |
| TCL Technology Group Corporation | 466 |
2 |
| LT Materials Co., Ltd. | 312 |
2 |
| Sony Group Corporation | 10730 |
2 |
| Applied Materials, Inc. | 16587 |
1 |
| Other owners | 21 |