- 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 1/135 - Liquid crystal cells structurally associated with a photoconducting or a ferro-electric layer, the properties of which can be optically or electrically varied
Patent holdings for IPC class G02F 1/135
Total number of patents in this class: 292
10-year publication summary
|
9
|
8
|
27
|
26
|
28
|
33
|
22
|
15
|
30
|
6
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Seurat Technologies, Inc. | 126 |
27 |
| Sharp Kabushiki Kaisha | 18957 |
20 |
| Samsung Display Co., Ltd. | 30585 |
19 |
| Boe Technology Group Co., Ltd. | 35384 |
13 |
| Japan Display Inc. | 6202 |
10 |
| Samsung Electronics Co., Ltd. | 131630 |
9 |
| LG Chem, Ltd. | 17205 |
9 |
| Apple Inc. | 50209 |
6 |
| Sharp Corporation | 10015 |
6 |
| Panasonic Intellectual Property Corporation of America | 7230 |
6 |
| Lawrence Livermore National Security, LLC | 1834 |
6 |
| Sony Corporation | 32931 |
4 |
| Semiconductor Energy Laboratory Co., Ltd. | 10902 |
4 |
| Beijing BOE Optoelectronics Technology Co., Ltd. | 3779 |
4 |
| The United States of America as represented by the Secretary of the Air Force | 754 |
4 |
| LG Display Co., Ltd. | 11907 |
3 |
| Texas Instruments Incorporated | 19376 |
3 |
| Applied Materials, Inc. | 16587 |
3 |
| LG Innotek Co., Ltd. | 6758 |
3 |
| Au Optronics Corporation | 3880 |
3 |
| Other owners | 130 |