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公开(公告)号:EP3850905A1
公开(公告)日:2021-07-21
申请号:EP19929187.3
申请日:2019-11-28
申请人: Apple Inc.
发明人: HE, Hong , ZHAO, Pengkai , ZENG, Wei , ZHANG, Dawei , SUN, Haitongi , KIM, Yuchul , YAO, Chunhai , ZHANG, Yushu , ZHANG, Wei , YANG, Weidong , YE, Chunxuan