Title:
PRIMARY OPTICAL ELEMENT, PRIMARY OPTICAL ASSEMBLY, OPTICAL ASSEMBLY, VEHICLE LAMP LIGHTING DEVICE AND VEHICLE
Document Type and Number:
WIPO Patent Application WO/2022/165758
Kind Code:
A1
Abstract:
A primary optical element (1), a primary optical assembly, an optical assembly, a vehicle lamp lighting device and a vehicle. The primary optical element (1) comprises a primary optical element main body, wherein the primary optical element main body comprises a light guiding portion (101) and a fusion light-emitting portion (102) which are provided from rear to front, a front end surface of the fusion light-emitting portion (102) is provided as a light-emitting surface (1021), and the light guiding portion (101) comprises a plurality of light guiding columns (1011, 1012) sequentially arranged in the left-right direction, the thickness of the fusion light-emitting portion (102) in the up-down direction is greater than the thickness of the light guiding portion (101) in the up-down direction, and the fusion light-emitting portion (102) is able to fuse light transmitted by the plurality of light guiding columns (1011, 1012) to the fusion light-emitting portion (102), and then emit the light by means of the light-emitting surface (1021). A primary optical assembly comprising the primary optical element (1), an optical assembly comprising the primary optical assembly, a vehicle lamp lighting device comprising the optical assembly, and a vehicle. The primary optical element (1) has a high optical efficiency, and enables a formed low-beam light shape to have a good effect.
Inventors:
GONG WEIGANG (CN)
LI HUI (CN)
QIU ZHIPING (CN)
ZHU HE (CN)
SANG WENHUI (CN)
LI HUI (CN)
QIU ZHIPING (CN)
ZHU HE (CN)
SANG WENHUI (CN)
Application Number:
PCT/CN2021/075569
Publication Date:
August 11, 2022
Filing Date:
February 05, 2021
Export Citation:
Assignee:
HASCO VISION TECH CO LTD (CN)
International Classes:
F21S41/10; F21S41/141; F21V17/10
Foreign References:
| CN109477621A | 2019-03-15 | |||
| CN108626677A | 2018-10-09 | |||
| CN209876805U | 2019-12-31 | |||
| CN207962511U | 2018-10-12 | |||
| CN108397743A | 2018-08-14 | |||
| CN210740267U | 2020-06-12 | |||
| EP2306077A2 | 2011-04-06 |
Attorney, Agent or Firm:
RUNPING & PARTNERS (CN)
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