The invention discloses a high-definition large-viewing-angle automobile rearview mirror. The automobile rearview mirror comprises a first lens, a second lens, a third lens, a diaphragm, a fourth lens, a fifth lens, a sixth lens, a seventh lens, a parallel plate and an image plane IMA which are sequentially arranged from the object side to the image side along the optical axis. The first lens has negative focal power; the second lens has negative focal power; the third lens has positive focal power; the fourth lens has positive focal power; the fifth lens has positive focal power; the sixth lens has negative focal power; the seventh lens has positive focal power; the optical system is simple in overall structure, small in size, low in cost and small in temperature drift, the high-pixel imaging requirement and the large-view-angle requirement are met, and meanwhile image distortion can be corrected to a certain degree.

    本发明公开了一种高清大视角的汽车后视镜。所述汽车后视镜包括沿着光轴从物侧至像侧依次设置的第一透镜、第二透镜、第三透镜、光阑、第四透镜、第五透镜、第六透镜、第七透镜、平行平板和像面IMA;所述第一透镜具有负光焦度;所述第二透镜具有负光焦度;所述第三透镜具有正光焦度;所述第四透镜具有正光焦度;所述第五透镜具有正光焦度;所述第六透镜具有负光焦度;所述第七透镜具有正光焦度;本发明整体结构简单,体积小,成本低,温度漂移小,满足高像素的成像要求以及大视角的需求,同时还可以在一定程度上矫正图像畸变。


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    Title :

    High-definition large-viewing-angle automobile electronic rearview mirror


    Additional title:

    一种高清大视角汽车电子后视镜


    Contributors:
    GUO ZHIYOU (author) / DENG YI (author) / ZHANG YEXIANG (author) / CHEN CHUNYANG (author) / XU DONGMEI (author) / XIE CHANGXIN (author) / HUANG XIANG (author)

    Publication date :

    2023-07-28


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Chinese


    Classification :

    IPC:    G02B Optische Elemente, Systeme oder Geräte , OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS / B60R Fahrzeuge, Fahrzeugausstattung oder Fahrzeugteile, soweit nicht anderweitig vorgesehen , VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR



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