- All sections
- H - Electricity
- H01L - Semiconductor devices not covered by class
- H01L 51/52 - 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) - Details of devices
Patent holdings for IPC class H01L 51/52
Total number of patents in this class: 23282
10-year publication summary
1902
|
2191
|
2255
|
2509
|
2970
|
2982
|
2811
|
2056
|
1024
|
31
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |