• 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: 21087

10-year publication summary

2255
2508
2965
2954
2600
1159
613
37
9
0
2017 2018 2019 2020 2021 2022 2023 2024 2025 2026

Principal owners for this class

Owner
All patents
This class
Samsung Display Co., Ltd.
38470
4332
Boe Technology Group Co., Ltd.
43856
2604
LG Display Co., Ltd.
14919
1838
Wuhan China Star Optoelectronics Semiconductor Display Technology Co., Ltd.
5529
1024
Magnolia White Corporation
5586
536
Chengdu BOE Optoelectronics Technology Co., Ltd.
7623
487
Semiconductor Energy Laboratory Co., Ltd.
11775
466
Shenzhen China Star Optoelectronics Semiconductor Display Technology Co., Ltd.
3754
334
LG Chem, Ltd.
17929
328
Shenzhen China Star Optoelectronics Technology Co., Ltd.
8472
287
Magnolia Blue Corporation
1158
276
Samsung Electronics Co., Ltd.
157039
264
Sharp Corporation
10514
250
Universal Display Corporation
2075
231
OSRAM OLED GmbH
1393
197
Wuhan China Star Optoelectronics Technology Co., Ltd.
4310
181
Wuhan Tianma Micro-Electronics Co., Ltd.
1298
177
Hefei Xinsheng Optoelectronics Technology Co., Ltd.
2640
167
Pictiva Displays International Limited
253
164
Ordos Yuansheng Optoelectronics Co., Ltd.
1295
163
Other owners 6781