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    DISPLAY DEVICE AND DISPLAY METHOD
    112.
    发明申请
    DISPLAY DEVICE AND DISPLAY METHOD 审中-公开

    公开(公告)号：US20200158944A1

    公开(公告)日：2020-05-21

    申请号：US16633343

    申请日：2018-11-15

    Applicant: BOE TECHNOLOGY GROUP CO., LTD.

    Inventor： Wei WANG ,  Xiaochuan CHEN ,  Xiandong MENG ,  Jifeng TAN ,  Pengxia LIANG ,  Xianqin MENG ,  Jian GAO

    IPC: F21V8/00 ,  G02B30/20 ,  H01L33/58 ,  H01L51/52

    Abstract: A display device includes: an optical waveguide layer having a light-entering region and a light-exiting region; an optical element correspondingly arranged in the light-entering region and configured to emit at least two types of light beams having different image information, to transmit the at least two types of light beams to the light-entering region of the optical waveguide layer; at least two coupling gratings arranged on transmission paths of the at least two types of light beams in the optical waveguide layer, and configured to change a direction of each of the at least two types of light beams in the optical waveguide layer, to enable light beams in the at least two types of light beams in the optical waveguide layer to be transmitted to the light-exiting region, exit from the light-exiting region and be converged at at least one view point.

    DISPLAY DEVICE, DISPLAY METHOD THEREOF, NEAR-TO-EYE DISPLAY DEVICE, AND DISPLAY METHOD THEREOF
    114.
    发明申请
    DISPLAY DEVICE, DISPLAY METHOD THEREOF, NEAR-TO-EYE DISPLAY DEVICE, AND DISPLAY METHOD THEREOF 审中-公开

    公开(公告)号：US20190339552A1

    公开(公告)日：2019-11-07

    申请号：US15752333

    申请日：2017-08-03

    Applicant: BOE TECHNOLOGY GROUP CO., LTD.

    Inventor： Jian GAO ,  Xiaochuan CHEN ,  Yafeng YANG ,  Wei WANG ,  Jifeng TAN

    IPC: G02F1/1335 ,  G02F1/1343 ,  H01L27/32

    Abstract: A display device and a display method thereof are provided. The display device includes a display panel and at least one optical device arranged at a light-exiting side of the display panel. A light beam emitted from the display panel is a linearly-polarized, collimated light beam. The optical device includes a plurality of optical units independent of each other and corresponding to pixel units of the display panel in a one-to-one correspondence manner. Each optical unit is capable of refracting the light beam emitted from the display panel at an adjustable angle. Collimated light beams from the adjacent optical units have different emergent angles so that the light beams emitted from the display panel are converged at two viewing points, so as to display a virtual image with a spatial depth.

    BACKLIGHT UNIT AND DISPLAY DEVICE
    115.
    发明申请
    BACKLIGHT UNIT AND DISPLAY DEVICE 审中-公开

    公开(公告)号：US20190212492A1

    公开(公告)日：2019-07-11

    申请号：US16039470

    申请日：2018-07-19

    Applicant: BOE TECHNOLOGY GROUP CO., LTD.

    Inventor： Xiandong MENG ,  Xianqin MENG ,  Jifeng TAN ,  Wei WANG ,  Xiaochuan CHEN ,  Yafeng YANG ,  Jian GAO

    IPC: G02B6/122 ,  F21V8/00 ,  G02B27/09 ,  G02F1/1335

    Abstract: A backlight unit includes a waveguide layer and a light source component. The waveguide layer includes a light-entering surface located its side surface, a bottom surface located at its bottom, and a light-exiting surface located at its top. A first grating layer is arranged at the bottom surface. A refractive layer is arranged at the light-exiting surface. The light source component is located beside the light-entering surface. The refractive layer includes a refractive lens unit. The refractive lens unit converges the diffracted light dispersed by means of the diffraction caused by the first grating layer when the backlight unit is in operation.

    ACQUISITION DEVICE, RECOGNITION DEVICE, VEHICLE IDENTIFICATION SYSTEM AND METHOD
    116.
    发明申请
    ACQUISITION DEVICE, RECOGNITION DEVICE, VEHICLE IDENTIFICATION SYSTEM AND METHOD 审中-公开

    公开(公告)号：US20190096241A1

    公开(公告)日：2019-03-28

    申请号：US15550725

    申请日：2017-03-20

    Applicant: BOE TECHNOLOGY GROUP CO., LTD.

    Inventor： Jian GAO

    IPC: G08G1/04 ,  G08G1/017 ,  G08G1/14 ,  B60Q1/56

    Abstract: A vehicle identification system includes an acquisition device and a recognition device. The acquisition device is mounted on a first vehicle and includes an acquisition circuit configured to obtain identification information of the first vehicle; and an optical signal transmitting circuit configured to generate and transmit a first optical signal corresponding to the identification information of the first vehicle. The recognition device includes an optical signal receiving circuit configured to receive a first optical signal emitted from the first vehicle, and a recognition circuit configured to determine the identification information of the first vehicle based on the first optical signal. A vehicle identification includes transmitting a first optical signal corresponding to identification information of a first vehicle; and determining the identification information of the first vehicle based on the first optical signal.

    LIGHT SOURCE MODULE AND DISPLAY DEVICE
    117.
    发明申请
    LIGHT SOURCE MODULE AND DISPLAY DEVICE 审中-公开

    公开(公告)号：US20190094445A1

    公开(公告)日：2019-03-28

    申请号：US15953990

    申请日：2018-04-16

    Applicant: BOE TECHNOLOGY GROUP CO., LTD.

    Inventor： Xiandong MENG ,  Wei WANG ,  Xiaochuan CHEN ,  Jifeng TAN ,  Jian GAO ,  Xianqin MENG

    IPC: F21V8/00

    Abstract: A light source module includes a light guide member, a light exiting member, a first collimating light source, and a first light modulating member. The light guide member includes a first surface and a second surface disposed opposite to the first surface, the first surface is configured as a light exiting surface and comprise a light exiting region; the light exiting member is disposed on the first surface in the light exiting region; the first collimating light source is configured to provide a first collimated light; and the first light modulating member is disposed on one of the first surface and the second surface and configured to change a transmission direction of the first collimated light so as to make it incident into the light guide member and make at least part of the first collimated light meet a total reflection condition of the light guide member.

    LIGHT COLLIMATING STRUCTURE, LIGHT COLLIMATING SUBSTRATE, MANUFACTURING METHOD THEREOF, BACKLIGHT MODULE, AND DISPLAY DEVICE
    119.
    发明申请
    LIGHT COLLIMATING STRUCTURE, LIGHT COLLIMATING SUBSTRATE, MANUFACTURING METHOD THEREOF, BACKLIGHT MODULE, AND DISPLAY DEVICE 审中-公开

    公开(公告)号：US20180284472A1

    公开(公告)日：2018-10-04

    申请号：US15572883

    申请日：2017-04-01

    Applicant: BOE TECHNOLOGY GROUP CO., LTD.

    Inventor： Jifeng TAN ,  Wei WANG ,  Jian GAO ,  Yafeng YANG ,  Xiaochuan CHEN

    IPC: G02B27/30 ,  F21V7/04 ,  G02B27/09 ,  F21V5/04

    Abstract: A light collimating structure, and a manufacturing method thereof, a light collimating substrate, a backlight module and the display device are disclosed. The light collimating structure includes: a lens having a first main axis and a first focal point; and a curved mirror having a second main axis and a second focal point; wherein the curved mirror is provided around the lens, the first main axis and the second main axis are coincident, and the first focal point and the second focal point are coincident, such that light emitted at the first focal point or the second focal point is collimated into parallel light parallel to the first main axis and the second main axis after transmitted through the lens or reflected by the curved mirror. The light collimating structure can collimate light, thereby improving the utilization of light energy, and reducing the power consumption of the display panel.

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