OPTICAL LENS ASSEMBLY, PHOTOGRAPHIC EQUIPMENT AND ELECTRONIC DEVICES

VN10060442BActive Publication Date: 2026-09-03LARGAN PRECISION
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Patent Information

Application Number
VN1202203163
Authority / Receiving Office
VN · VN
Patent Type
Patents
Current Assignee / Owner
Filing Date
2022-05-19
Publication Date
2026-09-03
Estimated Expiration
2042-05-19
Patent Text Reader

Abstract

The invention relates to an optical lens assembly comprising at least two optical lens elements and at least one reflector element. The reflector element is made of plastic material, the reflector element comprises a reflective coating, and the reflective coating is arranged on the surface of the reflector element. The reflective coating comprises at least three coatings of different materials, at least three coatings of the first, second and third materials, respectively, the first material mainly consisting of silver, the second mainly consisting of titanium, the third mainly consisting of chromium oxide, and the coating of the first and second materials arranged between the coating of the third material and the reflector element. In addition, the invention relates to a photographic device and an electromagnetic device.
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