Title:
LENS AND LENS MODULE
Document Type and Number:
WIPO Patent Application WO/2020/258239
Kind Code:
A1
Abstract:
A lens (100) comprises an optical portion (110) having an optical axis (00') and an extension portion (120) arranged around the optical portion (110). The optical portion (110) comprises an object-side surface (111) and an image-side surface (112). The extension portion (120) comprises an outer annular surface (123) and a first extension surface (121) and a second extension surface (122) arranged opposite to each other. The first extension surface (121) and the second extension surface (122) are respectively connected to the object-side surface (111) and the image-side surface (112). The outer annular surface (123) connects the first extension surface (121) and the second extension surface (122). Multiple gate recesses (124) are formed on the outer annular surface (123), and arranged uniformly around the optical axis (00'). The multiple gate recesses (124) respectively correspond to gates of a mold used to manufacture the lens (100). The invention solves the problem in which a feed liquid cannot be quickly and fully filled in a mold cavity because the feed liquid can only be injected via a single gate due to the structural limitation of a lens (100), thus ensuring the dimensional precision of a formed lens (100), and the cylindricity and smoothness of the outer annular surface (123), thereby improving a product yield and imaging effect.
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Inventors:
WANG HAILONG (CN)
Application Number:
PCT/CN2019/093648
Publication Date:
December 30, 2020
Filing Date:
June 28, 2019
Export Citation:
Assignee:
AAC OPTICS SOLUTIONS PTE LTD (SG)
International Classes:
G02B3/00
Foreign References:
| CN103809261A | 2014-05-21 | |||
| CN208636506U | 2019-03-22 | |||
| CN103163574A | 2013-06-19 | |||
| CN1971313A | 2007-05-30 | |||
| JP2002200638A | 2002-07-16 |
Attorney, Agent or Firm:
SHENZHEN CIPRUN INTELLECTUAL PROPERTY AGENCY CO., LTD. (CN)
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