- All sections
- H - Electricity
- H01L - Semiconductor devices not covered by class
- H01L 51/50 - Solid state devices using organic materials as the active part, or using a combination of organic materials with other materials as the active part; Processes or apparatus specially adapted for the manufacture or treatment of such devices, or of parts thereof specially adapted for light emission, e.g. organic light emitting diodes (OLED) or polymer light emitting devices (PLED)
Patent holdings for IPC class H01L 51/50
Total number of patents in this class: 27937
10-year publication summary
2068
|
2085
|
2246
|
2516
|
2872
|
2562
|
2098
|
1990
|
782
|
38
|
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 |
1920 |
Semiconductor Energy Laboratory Co., Ltd. | 10902 |
1551 |
LG Chem, Ltd. | 17205 |
1172 |
Idemitsu Kosan Co., Ltd. | 3995 |
1141 |
Sharp Kabushiki Kaisha | 18957 |
1091 |
Boe Technology Group Co., Ltd. | 35384 |
966 |
Sumitomo Chemical Company, Limited | 8808 |
935 |
LG Display Co., Ltd. | 11907 |
740 |
Universal Display Corporation | 1678 |
694 |
Konica Minolta, Inc. | 8349 |
679 |
Merck Patent GmbH | 5909 |
626 |
FUJIFILM Corporation | 27102 |
528 |
Pioneer Corporation | 4843 |
462 |
Panasonic Corporation | 20786 |
461 |
Samsung Electronics Co., Ltd. | 131630 |
456 |
Nitto Denko Corporation | 7879 |
373 |
Duk San Neolux Co., Ltd. | 512 |
362 |
Japan Display Inc. | 6202 |
342 |
Samsung SDI Co., Ltd. | 6671 |
266 |
UDC Ireland Limited | 496 |
265 |
Other owners | 12907 |