- 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: 9303
10-year publication summary
672
|
666
|
775
|
743
|
634
|
480
|
359
|
430
|
348
|
254
|
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. | 41699 |
699 |
Sharp Kabushiki Kaisha | 18692 |
519 |
Shenzhen China Star Optoelectronics Technology Co., Ltd. | 8476 |
462 |
DIC Corporation | 3823 |
366 |
Samsung Display Co., Ltd. | 35545 |
280 |
LG Display Co., Ltd. | 13836 |
250 |
JNC Corporation | 1505 |
227 |
JNC Petrochemical Corporation | 328 |
206 |
Japan Display Inc. | 2745 |
194 |
FUJIFILM Corporation | 29713 |
183 |
HKC Corporation Limited | 3296 |
153 |
Wuhan China Star Optoelectronics Technology Co., Ltd. | 4221 |
147 |
Nitto Denko Corporation | 8346 |
134 |
Panasonic Intellectual Property Management Co., Ltd. | 32095 |
116 |
Beijing BOE Optoelectronics Technology Co., Ltd. | 3892 |
115 |
LG Chem, Ltd. | 17680 |
106 |
Sumitomo Chemical Company, Limited | 9092 |
101 |
Sony Corporation | 30901 |
97 |
RealD Spark, LLC | 267 |
91 |
Beijing BOE Display Technology Co., Ltd. | 2818 |
86 |
Other owners | 4771 |