LOW-BEAM PRIMARY OPTICAL ELEMENT, VEHICLE LAMP MODULE, VEHICLE LAMP, AND VEHICLE

Title:

LOW-BEAM PRIMARY OPTICAL ELEMENT, VEHICLE LAMP MODULE, VEHICLE LAMP, AND VEHICLE

Document Type and Number:

WIPO Patent Application WO/2021/184997

Kind Code:

A1

Abstract:

A low-beam primary optical element (1) for a vehicle lamp, a vehicle lamp module comprising the low-beam primary optical element (1), a vehicle lamp, and a vehicle. The low-beam primary optical element (1) comprises light entrance portion (101), a light passage portion (102) and a light exit portion (103) which are sequentially arranged from back to front. The light exit portion (103) comprises a main light exit surface (1031) and a secondary light exit surface (1032) connected to the main light exit surface (1031). A low-beam cutoff line structure (105) is provided at the secondary light exit surface (1032). The secondary light exit surface (1032) is configured to refract light emitted to the low-beam cutoff line structure (105) forward and upward. The low-beam primary optical element (1) has a simple structure, and can effectively improve the color of a low-beam light-dark cutoff line (7) and mitigate color dispersion.

Inventors:

QIU ZHIPING (CN)
GONG WEIGANG (CN)
ZHU HE (CN)
SANG WENHUI (CN)

Application Number:

PCT/CN2021/075608

Publication Date:

September 23, 2021

Filing Date:

February 05, 2021

Export Citation:

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Assignee:

HASCO VISION TECH CO LTD (CN)

International Classes:

F21S41/25; F21S41/24; F21W102/135; F21W107/10

Foreign References:

CN105066062A	2015-11-18
CN208764859U	2019-04-19
CN211822200U	2020-10-30
CN106439672A	2017-02-22
CN109973920A	2019-07-05
DE102018207063A1	2019-11-07
US20160053967A1	2016-02-25

Other References: