- 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: 521
10-year publication summary
|
1
|
4
|
2
|
6
|
10
|
66
|
70
|
65
|
175
|
96
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Samsung Display Co., Ltd. | 34798 |
95 |
| LG Display Co., Ltd. | 13518 |
94 |
| Semiconductor Energy Laboratory Co., Ltd. | 11416 |
69 |
| Boe Technology Group Co., Ltd. | 41217 |
44 |
| Idemitsu Kosan Co., Ltd. | 4220 |
25 |
| Universal Display Corporation | 1910 |
17 |
| Canon Inc. | 39960 |
15 |
| Samsung Electronics Co., Ltd. | 146346 |
9 |
| Wuhan China Star Optoelectronics Semiconductor Display Technology Co., Ltd. | 5286 |
9 |
| Duk San Neolux Co., Ltd. | 653 |
8 |
| Canon Kabushiki Kaisha | 7061 |
7 |
| LT Materials Co., Ltd. | 408 |
6 |
| Sharp Corporation | 10245 |
5 |
| Beijing Summer Sprout Technology Co., Ltd. | 133 |
5 |
| Beijing BOE Technology Development Co., Ltd. | 2866 |
5 |
| The Regents of the University of Michigan | 4697 |
4 |
| Japan Display Inc. | 6953 |
4 |
| Chengdu BOE Optoelectronics Technology Co., Ltd. | 6559 |
4 |
| Sony Semiconductor Solutions Corporation | 10467 |
4 |
| Wuhan Tianma Micro-Electronics Co., Ltd. | 1127 |
4 |
| Other owners | 88 |