The invention relates to the technical field of automobile lighting lamps, in particular to an optical structure for an automobile headlamp, which comprises a lens assembly and a light source plate arranged behind the lens assembly, the number of lenses with focal power in the lens assembly is four. Each lens comprises a first lens, a second lens and a third lens, a second lens disposed behind the first lens; a third lens disposed behind the second lens; the fourth lens is arranged behind the third lens, and the light source plate is arranged behind the fourth lens; wherein the first lens is provided with a field diaphragm, and the third lens is provided with a vignetting diaphragm. The optical structure for the automobile headlamp has the advantages of being energy-saving, high in lighting effect, high in pixel number, wide in projection angle and low in cost, can meet the requirements of users, can achieve the high-precision control over far light and near light and the road surface information projection function, and is wide in application range and good in practicability.
本发明涉及汽车照明灯具技术领域,尤其涉及一种用于汽车前照灯的光学结构,包括:透镜组件和配置在透镜组件后方的光源板;透镜组件中具有光焦度的透镜的数量为四片,分别包括:第一透镜;第二透镜,配置在第一透镜的后方;第三透镜,配置在第二透镜的后方;第四透镜,配置在第三透镜的后方,光源板配置在第四透镜的后方;其中,第一透镜上设置有视场光阑,第三透镜上设置有渐晕光阑。本发明的一种用于汽车前照灯的光学结构,具备节能、光效高、像素数高、投射角度广和成本低的优势,能够满足用户需求,可实现远、近光的高精度控制和路面信息投影功能,适应范围广,实用性良好。
Optical structure for automobile headlamp, automobile lamp and automobile
用于汽车前照灯的光学结构、车灯及其车辆
2023-09-01
Patent
Electronic Resource
Chinese
IPC: | F21S Ortsfeste Leuchten , NON-PORTABLE LIGHTING DEVICES / B60Q ARRANGEMENT OF SIGNALLING OR LIGHTING DEVICES, THE MOUNTING OR SUPPORTING THEREOF OR CIRCUITS THEREFOR, FOR VEHICLES IN GENERAL , Anordnung von Signal- oder Beleuchtungsvorrichtungen, deren Einbau oder Halterung oder deren Schaltkreise bei Fahrzeugen allgemein / F21W Index-Schema in Verbindung mit den Unterklassen F21K, F21L, F21S und F21V, betreffend den Gebrauch oder Einsatz von Leuchten oder Beleuchtungssystem , INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO USES OR APPLICATIONS OF LIGHTING DEVICES OR SYSTEMS / F21Y Index-Schema in Verbindung mit den Unterklassen F21K, F21L, F21S und F21V, betreffend die Form oder die Art der Lichtquellen oder die Farbe des emittierten Lichts , INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED |
Automobile headlamp, headlamp adjusting device and automobile
European Patent Office | 2023
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