• 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