- All sections
- G - Physics
- G02F - Optical devices or arrangements for the control of light by modification of the optical properties of the media of the elements involved thereinnon-linear opticsfrequency-changing of lightoptical logic elementsoptical analogue/digital converters
- G02F 1/13 - Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulatingNon-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
Patent holdings for IPC class G02F 1/13
Total number of patents in this class: 9240
10-year publication summary
677
|
674
|
782
|
745
|
636
|
486
|
360
|
435
|
344
|
139
|
2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Boe Technology Group Co., Ltd. | 40653 |
694 |
Sharp Kabushiki Kaisha | 18787 |
530 |
Shenzhen China Star Optoelectronics Technology Co., Ltd. | 8478 |
462 |
DIC Corporation | 3759 |
365 |
Samsung Display Co., Ltd. | 34290 |
270 |
LG Display Co., Ltd. | 13226 |
256 |
Japan Display Inc. | 7074 |
250 |
JNC Corporation | 1549 |
235 |
JNC Petrochemical Corporation | 402 |
214 |
FUJIFILM Corporation | 29251 |
181 |
HKC Corporation Limited | 3260 |
153 |
Wuhan China Star Optoelectronics Technology Co., Ltd. | 4171 |
144 |
Nitto Denko Corporation | 8196 |
133 |
Panasonic Intellectual Property Management Co., Ltd. | 31022 |
115 |
Beijing BOE Optoelectronics Technology Co., Ltd. | 3878 |
114 |
LG Chem, Ltd. | 17564 |
106 |
Sumitomo Chemical Company, Limited | 9018 |
101 |
Sony Corporation | 31138 |
97 |
RealD Spark, LLC | 258 |
86 |
Hefei Xinsheng Optoelectronics Technology Co., Ltd. | 2558 |
85 |
Other owners | 4649 |