Title:
LENS ASSEMBLY AND PHOTOGRAPHING DEVICE HAVING SAME
Document Type and Number:
WIPO Patent Application WO/2022/073292
Kind Code:
A1
Abstract:
A lens assembly and a photographing device having same. The lens assembly comprises: a housing, an accommodating cavity being provided in the housing, a light-transmitting hole being provided on the housing; a lens module, provided in the accommodating cavity, the lens module comprising a lens, the light-transmitting hole being located on the front side of the lens; and a glass assembly, provided at the light-transmitting hole and connected to the wall of the light-transmitting hole in a sealed manner, wherein the glass assembly comprises: a glass body, having an avoidance area for avoiding a field of view of the lens; a transparent conductive layer, the transparent conductive layer at least partially covering the avoidance area of the glass body; and a first electrode and a second electrode, provided on the glass body and located outside the avoidance area, the first electrode and the second electrode being able to be powered on by means of the transparent conductive layer, so as to heat the glass body. The lens assembly can achieve the effect of demisting/mist prevention in a short time, and control heating power to be within a rational range, so that partial or whole overheating will not occur, effectively avoiding explosion of the glass body or the lens.
Inventors:
ZHANG XIANG (CN)
LIU YONG (CN)
LIU YONG (CN)
Application Number:
PCT/CN2020/133749
Publication Date:
April 14, 2022
Filing Date:
December 04, 2020
Export Citation:
Assignee:
SZ DJI TECHNOLOGY CO LTD (CN)
International Classes:
G03B17/55; H04N5/225; G03B30/00
Foreign References:
| CN210183401U | 2020-03-24 | |||
| CN208924337U | 2019-05-31 | |||
| CN211063668U | 2020-07-21 | |||
| CN2107742U | 1992-06-17 | |||
| CN110326282A | 2019-10-11 | |||
| US20190212549A1 | 2019-07-11 |
Attorney, Agent or Firm:
CHINA SCIENCE PATENT & TRADEMARK AGENT LTD. (CN)
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