- 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 therein; non-linear optics; frequency-changing of light; optical logic elements; optical 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 modulating; Non-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: 9121
10-year publication summary
557
|
677
|
674
|
782
|
745
|
633
|
482
|
349
|
407
|
119
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Boe Technology Group Co., Ltd. | 35384 |
675 |
Sharp Kabushiki Kaisha | 18957 |
561 |
Shenzhen China Star Optoelectronics Technology Co., Ltd. | 8635 |
477 |
DIC Corporation | 3597 |
373 |
Samsung Display Co., Ltd. | 30585 |
262 |
LG Display Co., Ltd. | 11907 |
262 |
JNC Corporation | 1527 |
238 |
JNC Petrochemical Corporation | 425 |
217 |
Japan Display Inc. | 6202 |
215 |
FUJIFILM Corporation | 27102 |
165 |
HKC Corporation Limited | 2951 |
151 |
Nitto Denko Corporation | 7879 |
133 |
Wuhan China Star Optoelectronics Technology Co., Ltd. | 3894 |
131 |
Panasonic Intellectual Property Management Co., Ltd. | 27812 |
114 |
Beijing BOE Optoelectronics Technology Co., Ltd. | 3779 |
113 |
LG Chem, Ltd. | 17205 |
108 |
Sumitomo Chemical Company, Limited | 8808 |
102 |
Sony Corporation | 32931 |
101 |
Hefei Xinsheng Optoelectronics Technology Co., Ltd. | 2483 |
84 |
Sharp Corporation | 10015 |
83 |
Other owners | 4556 |