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    • 5. 发明申请
    • HEAT DISSIPATION DEVICE AND LIGHTING DEVICE
    • US20230075501A1
    • 2023-03-09
    • US17915592
    • 2020-10-10
    • APUTURE IMAGING INDUSTRIES CO., LTD.
    • Haijun GUChongbo HUANGXiangjun ZHOUYi XIE
    • F21V29/76
    • Disclosed are a heat dissipation device (140) and a lighting device (10). The heat dissipation device (140) comprises a substrate (141), a plurality of fins (1431) and at least one airflow generating device (145), wherein the plurality of fins (1431) are arranged on the substrate (141) at certain intervals and are connected to the substrate (141); and the at least one airflow generating device (145) is arranged at the ends of the plurality of fins (1431) away from the substrate (141), and an airflow generated by the airflow generating device (145) flows through at least some gaps of the plurality of fins (1431) in the direction of the substrate (141) and is jointly guided by the substrate (141) and the plurality of fins (1431) to be diffused. The plurality of fins (1431) are arranged on the substrate (141), such that heat absorbed by the substrate (141) is rapidly transferred to the plurality of fins (1431), and the fins (1431) and the substrate (141) are cooled by the airflow generating device (145), thereby effectively improving the heat dissipation efficiency of the heat dissipation device; and when the heat dissipation device (140) is used in the lighting device (10), the heat dissipation device (140) can rapidly dissipate heat of a light source (130), and therefore, the lighting device (10) can work stably for a long time.