- 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 1/135 - 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: 312
10-year publication summary
|
8
|
27
|
25
|
28
|
34
|
22
|
18
|
30
|
19
|
17
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Seurat Technologies, Inc. | 160 |
37 |
| Samsung Display Co., Ltd. | 35374 |
22 |
| Sharp Kabushiki Kaisha | 18693 |
19 |
| Boe Technology Group Co., Ltd. | 41668 |
14 |
| Japan Display Inc. | 6995 |
11 |
| Samsung Electronics Co., Ltd. | 147787 |
9 |
| LG Chem, Ltd. | 17676 |
9 |
| Lawrence Livermore National Security, LLC | 1943 |
7 |
| Apple Inc. | 55491 |
6 |
| Sharp Corporation | 10274 |
6 |
| Panasonic Intellectual Property Corporation of America | 6856 |
6 |
| LG Innotek Co., Ltd. | 7823 |
5 |
| Beijing BOE Optoelectronics Technology Co., Ltd. | 3891 |
5 |
| Sony Corporation | 30921 |
4 |
| Semiconductor Energy Laboratory Co., Ltd. | 11471 |
4 |
| The Regents of the University of Colorado, a body corporate | 2675 |
4 |
| The United States of America as represented by the Secretary of the Air Force | 856 |
4 |
| Wuhan China Star Optoelectronics Technology Co., Ltd. | 4216 |
4 |
| LG Display Co., Ltd. | 13830 |
3 |
| Applied Materials, Inc. | 18932 |
3 |
| Other owners | 130 |