Virtual reality feedback device, and positioning method, feedback method and positioning system thereof

    公开(公告)号:US11035948B2

    公开(公告)日:2021-06-15

    申请号:US16159123

    申请日:2018-10-12

    IPC分类号: G01S13/76 G01S13/00 G01S13/88

    摘要: The disclosure discloses a virtual reality feedback device, and a positioning method, a feedback method, and a positioning system thereof. The method for positioning a virtual reality feedback device includes: obtaining first time point information of a first microwave signal, wherein the first time point information includes a reception time point and a transmission time point of the first microwave signal; obtaining a second time point information of a second microwave signal, wherein the second time point information includes a reception time point and a transmission time point of the second microwave signal; and determining a position of the virtual reality feedback device according to a transmission speed of the first microwave signal, a transmission speed of the second microwave signal, the first time point information, and the second time point information.

    Organic light emitting diode device and manufacture method thereof, display panel

    公开(公告)号:US10741794B2

    公开(公告)日:2020-08-11

    申请号:US16047583

    申请日:2018-07-27

    发明人: Yuanhui Guo Yanni Liu

    摘要: An organic light emitting diode device and a manufacture method thereof, a display panel are provided. The organic light emitting diode device includes a plurality of pixels, each of the pixels includes at least two sub-pixels that are capable of generating light of different colors, and each of the sub-pixels includes a first electrode, a second electrode, and a light emitting layer between the first electrode and the second electrode; and each of the sub-pixels further includes a microcavity adjusting layer including pores, the microcavity adjusting layer is on a side of the first electrode that is far away from the light emitting layer, and a porosity and an average aperture of the pores in the microcavity adjusting layer of each of the sub-pixels that are capable of generating light of different colors are different.

    VIRTUAL REALITY FEEDBACK DEVICE, AND POSITIONING METHOD, FEEDBACK METHOD AND POSITIONING SYSTEM THEREOF

    公开(公告)号:US20190293779A1

    公开(公告)日:2019-09-26

    申请号:US16159123

    申请日:2018-10-12

    IPC分类号: G01S13/76 G01S13/88 G01S13/00

    摘要: The disclosure discloses a virtual reality feedback device, and a positioning method, a feedback method, and a positioning system thereof. The method for positioning a virtual reality feedback device includes: obtaining first time point information of a first microwave signal, wherein the first time point information includes a reception time point and a transmission time point of the first microwave signal; obtaining a second time point information of a second microwave signal, wherein the second time point information includes a reception time point and a transmission time point of the second microwave signal; and determining a position of the virtual reality feedback device according to a transmission speed of the first microwave signal, a transmission speed of the second microwave signal, the first time point information, and the second time point information.