- 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 1/139 - 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 characterised by the electro-optical or magneto-optical effect, e.g. field-induced phase transition, orientation effect, guest-host interaction or dynamic scattering based on orientation effects in which the liquid crystal remains transparent
Patent holdings for IPC class G02F 1/139
Total number of patents in this class: 879
10-year publication summary
59
|
76
|
69
|
72
|
65
|
61
|
62
|
56
|
59
|
15
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Samsung Display Co., Ltd. | 30585 |
53 |
Boe Technology Group Co., Ltd. | 35384 |
49 |
Sharp Kabushiki Kaisha | 18957 |
47 |
Merck Patent GmbH | 5909 |
29 |
Shenzhen China Star Optoelectronics Technology Co., Ltd. | 8635 |
28 |
DIC Corporation | 3597 |
25 |
Sharp Corporation | 10015 |
24 |
LG Chem, Ltd. | 17205 |
23 |
META Platforms Technologies, LLC | 4806 |
21 |
Semiconductor Energy Laboratory Co., Ltd. | 10902 |
19 |
LG Display Co., Ltd. | 11907 |
18 |
Japan Display Inc. | 6202 |
18 |
RealD Spark, LLC | 234 |
17 |
JNC Corporation | 1527 |
13 |
Au Optronics Corporation | 3880 |
12 |
SeeReal Technologies S.A. | 242 |
12 |
JNC Petrochemical Corporation | 425 |
11 |
Stanley Electric Co., Ltd. | 1102 |
10 |
TCL China Star Optoelectronics Technology Co., Ltd. | 2368 |
10 |
FUJIFILM Corporation | 27102 |
9 |
Other owners | 431 |