- 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 1/1681 - GasketsSpacersSealing of cellsFilling or closing of cells having two or more microcells partitioned by walls, e.g. of microcup type
Patent holdings for IPC class G02F 1/1681
Total number of patents in this class: 145
10-year publication summary
|
13
|
11
|
19
|
16
|
12
|
7
|
12
|
16
|
28
|
8
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| e Ink Corporation | 1551 |
76 |
| Wuxi Vision Peak Technology Co., Ltd | 29 |
6 |
| Wuxi Clearink Limited | 28 |
6 |
| LG Innotek Co., Ltd. | 8453 |
5 |
| Boe Technology Group Co., Ltd. | 44004 |
5 |
| Beijing BOE Display Technology Co., Ltd. | 2986 |
3 |
| e Ink Holdings Inc. | 666 |
3 |
| TCL China Star Optoelectronics Technology Co., Ltd. | 2529 |
3 |
| Samsung Display Co., Ltd. | 38570 |
2 |
| LG Chem, Ltd. | 17921 |
2 |
| Hewlett-Packard Development Company, L.P. | 25216 |
2 |
| Japan Display Inc. | 2993 |
2 |
| Beijing BOE Optoelectronics Technology Co., Ltd. | 3933 |
2 |
| SuperC-Touch Corporation | 101 |
2 |
| Toppan Printing Co., Ltd. | 2088 |
2 |
| HKC Corporation Limited | 3489 |
2 |
| Tianma Japan, Ltd. | 101 |
2 |
| Elstar Dynamics Patents B.V. | 36 |
2 |
| Nspectra Co., Ltd | 9 |
2 |
| Nanosilikhan Advanced Materials Co., Ltd. | 4 |
2 |
| Other owners | 14 |