Login| Sign Up| Help| Contact|

Patent Searching and Data


Title:
LENS AND OPTICAL SYSTEM
Document Type and Number:
WIPO Patent Application WO/2021/072822
Kind Code:
A1
Abstract:
A lens (100), which comprises a mounting surface (6), a light incident surface (5), a first light-emitting surface (1), a second light-emitting surface (2) and a reflecting surface (3), wherein the mounting surface (6) is used for mounting the lens (100), a light source cavity (50) is provided in the center of the mounting surface (6), the light source cavity (50) is used for accommodating a light source (200), the inner surface of the light source cavity (50) is a light incident surface (5), one end of the first light-emitting surface (1) is connected with the mounting surface (6), the other end of the first light-emitting surface (1) is connected with the second light-emitting surface (2); and the reflecting surface (3) is used for reflecting the light emitted from the light incident surface (5) to the reflecting surface (3) to the first light-emitting surface (1) or the second light-emitting surface (2) to emit out. The lens (100) enables the light to be projected at a large angle and can meet the optical performance requirement of a large field of view.

Inventors:
CHEN GUANHONG (CN)
LI ZONGZHENG (CN)
ZHOU XIANGHE (CN)
LIN JUNHAN (CN)
Application Number:
PCT/CN2019/115375
Publication Date:
April 22, 2021
Filing Date:
November 04, 2019
Export Citation:
Click for automatic bibliography generation   Help
Assignee:
NANCHANG O FILM BIO IDENTIFICATION TECH CO LTD (CN)
International Classes:
F21V5/04; G02B3/00
Foreign References:
CN205424832U2016-08-03
CN201281290Y2009-07-29
CN107606585A2018-01-19
CN104100930A2014-10-15
CN203082794U2013-07-24
CN203797560U2014-08-27
CN103090311A2013-05-08
US20050286251A12005-12-29
Attorney, Agent or Firm:
SCIHEAD IP LAW FIRM (CN)
Download PDF:
View/Download PDF      PDF Help



 
Previous Patent: LENS MODULE

Next Patent: PHOTOGRAPHY APPARATUS, ELECTRONIC DEVICE, AND METHOD FOR USING ELECTRONIC DEVICE