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公开(公告)号：US10442242B2
公开(公告)日：2019-10-15
申请号：US15546660
申请日：2016-03-23
Applicant: BOSSWELL KOREA INC.
Inventor： Chang Soo Bai
Abstract: A light emitting device for an automobile wheel is capable of generating electrical energy through torque of an automobile wheel, illuminating an advertisement member using the generated electrical energy, and controlling the advertisement member to display advertisement contents at a correct posture without being tilted in response to a reverse magnetic field generated during the electricity generation process.
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