Lens module and lens protective film
US11287552B2 · kind B2 · utility
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0References
10Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 2, 2019 |
| Grant date | Mar 29, 2022 |
| Priority date | — |
| Expiry date | Mar 4, 2040 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB32B2571/00
- WIPO fieldSurface technology, coating
- WIPO sectorChemistry
Abstract
A lens protective film includes a base layer, a buffer layer, and a protective layer. The buffer layer and the protective layer are laminated on the base layer. The base layer includes a main body and a first handle extending from the main body. An opening is defined in each of the main body and the buffer layer. The openings of the main body and the buffer layer overlap to form the receiving structure. The receiving structure is used to receive a raised part of a lens. The lens protective film can prevent the buffer layer and the protective layer from being broken and generating debris.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.