Title:
LENS AND VEHICLE LAMP HAVING SAME
Document Type and Number:
WIPO Patent Application WO/2024/036740
Kind Code:
A1
Abstract:
A lens and a vehicle lamp having same. The lens comprises a lens body; the lens body is provided with a first refraction and diffraction surface (1) and a second refraction and diffraction surface (2) which are opposite to each other in the direction of an optical axis; at least one of the first refraction and diffraction surface (1) and the second refraction and diffraction surface (2) is provided with a diffraction structure which is rotationally symmetrical about the optical axis; the diopter of the diffraction structure accounts for 1%-20% of the total diopter of the lens body; the lens is formed by means of processing in a layered injection molding mode. The lens has good heat resistance, can produce a sharp and non-colored low-beam cut-off line, saves product costs, and has good application prospects.
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| JP6604030 | Vehicle lighting |
| WO/2023/176671 | VEHICLE LAMP |
Inventors:
ZHENG XIANLIANG (CN)
ZHOU XIAOPING (CN)
ZHOU XIAOPING (CN)
Application Number:
PCT/CN2022/126206
Publication Date:
February 22, 2024
Filing Date:
October 19, 2022
Export Citation:
Assignee:
CHANGZHOU XINGYU AUTOMOTIVE LIGHTING SYSTEMS CO LTD (CN)
International Classes:
F21S41/25; G02B5/18
Foreign References:
| CN115046171A | 2022-09-13 | |||
| CN110286473A | 2019-09-27 | |||
| CN201561349U | 2010-08-25 | |||
| CN111561682A | 2020-08-21 | |||
| CN108626686A | 2018-10-09 | |||
| US5581405A | 1996-12-03 | |||
| US20190110889A1 | 2019-04-18 | |||
| CN109716175A | 2019-05-03 |
Other References:
See also references of EP 4350209A4
Attorney, Agent or Firm:
CHANGZHOU SINCERITY PATENT AGENCY (GENERAL PARTNERSHIP) (CN)
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