- 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: 119
10-year publication summary
|
3
|
13
|
11
|
19
|
16
|
12
|
5
|
11
|
13
|
16
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| e Ink Corporation | 1492 |
59 |
| Wuxi Vision Peak Technology Co., Ltd | 25 |
6 |
| Wuxi Clearink Limited | 29 |
6 |
| Boe Technology Group Co., Ltd. | 40728 |
5 |
| LG Innotek Co., Ltd. | 7571 |
4 |
| Beijing BOE Display Technology Co., Ltd. | 2772 |
3 |
| TCL China Star Optoelectronics Technology Co., Ltd. | 2697 |
3 |
| Samsung Display Co., Ltd. | 34349 |
2 |
| LG Chem, Ltd. | 17581 |
2 |
| Hewlett-Packard Development Company, L.P. | 25933 |
2 |
| Japan Display Inc. | 7082 |
2 |
| Beijing BOE Optoelectronics Technology Co., Ltd. | 3878 |
2 |
| e Ink Holdings Inc. | 633 |
2 |
| SuperC-Touch Corporation | 93 |
2 |
| Toppan Printing Co., Ltd. | 2136 |
2 |
| Tianma Japan, Ltd. | 89 |
2 |
| Nspectra Co., Ltd | 8 |
2 |
| Nanosilikhan Advanced Materials Co., Ltd. | 3 |
2 |
| Semiconductor Energy Laboratory Co., Ltd. | 11381 |
1 |
| Huawei Technologies Co., Ltd. | 111449 |
1 |
| Other owners | 9 |