Display device
    3.
    发明授权

    公开(公告)号:US11640020B2

    公开(公告)日:2023-05-02

    申请号:US16765583

    申请日:2019-04-22

    Abstract: A display device is disclosed, and the display device includes a display layer and a lens layer; the lens layer is provided on a light emergent side of the display layer, and includes at least one grating compound lens unit; the display layer includes at least one display pixel set, and the display pixel set is configured to emit light for imaging toward the grating compound lens unit during display; the grating compound lens unit is configured to optically image the display pixel set; and the grating compound lens unit is further configured to deflect the light for imaging, to make an image-space central visual field direction of the grating compound lens unit intersect with an extension direction of an optical axis of the grating compound lens unit, so that the display device has one or more viewpoints.

    Optical device and spectral detection apparatus

    公开(公告)号:US11536606B2

    公开(公告)日:2022-12-27

    申请号:US16631722

    申请日:2019-07-23

    Abstract: An optical device and a spectral detection apparatus are provided. The optical device includes an optical waveguide, including: a polychromatic light channel configured to transport a polychromatic light beam, and provided with a light incident surface for receiving the incident polychromatic light beam at an input end of the polychromatic light channel; a chromatic dispersion device arranged downstream from the polychromatic light channel in an optical path and configured to separate the polychromatic light beam from the polychromatic light channel into a plurality of monochromatic light beams; and a plurality of monochromatic light channels arranged downstream from the chromatic dispersion device in the optical path and configured to respectively conduct the plurality of monochromatic light beams with different colors from the chromatic dispersion device. Monochromatic light output surfaces are respectively provided at output ends of the plurality of monochromatic light channels and configured to output the monochromatic light beams.

    Light guide structure, direct type backlight module and display panel

    公开(公告)号:US11035998B2

    公开(公告)日:2021-06-15

    申请号:US16323878

    申请日:2018-05-14

    Abstract: A light guide structure is disclosed. The light guide structure includes a first waveguide layer having a first light incident surface and a first light exiting surface. The light guide structure includes a polarization beam-splitting structure on the first light exiting surface, configured to split light into first polarized light and second polarized light. The light guide structure includes a first polarization coupling grating disposed on the first light incident surface and configured to deflect the first polarized light, and a second waveguide layer having a second light incident surface and a second light exiting surface and disposed on the polarization beam-splitting structure. The light guide structure includes a second polarization coupling grating disposed between the second light incident surface and the polarization beam-splitting structure and configured to deflect the second polarized light.

    Backlight module, manufacturing method thereof and display device

    公开(公告)号:US11002979B2

    公开(公告)日:2021-05-11

    申请号:US16826459

    申请日:2020-03-23

    Inventor: Pengxia Liang

    Abstract: The present disclosure relates to the field of display technology, and provides a backlight module, a manufacturing method thereof, and a display device. The backlight module includes a base substrate, a collimation layer, and a plurality of light emitting elements. The collimation layer is disposed on one side of the base substrate, and a plurality of through holes distributed in an array are disposed on the collimation layer, and a side wall of each of the through holes can reflect light. The plurality of light emitting elements are disposed on the base substrate and located within the through holes. The backlight module provided by the present disclosure can improve the light efficiency of the backlight module in the premise of ensuring the collimation degree, at the same time, the backlight module has a simple structure and is easy to be processed.

    Display panel and driving method thereof

    公开(公告)号:US10386694B2

    公开(公告)日:2019-08-20

    申请号:US15720049

    申请日:2017-09-29

    Abstract: Embodiments of the present disclosure provide a display panel and a driving method thereof. The display panel includes a first substrate and a second substrate which are aligned and assembled into a cell, wherein the first substrate includes a first base body, a total internal reflection structure and a first electrode are provided at a side of the first base body facing to the second substrate, and the second substrate includes a second base body and a second electrode which is provided at a side of the second base body facing to the first substrate. The display panel further includes cholesteric liquid crystal provided between the first and second substrates, charged light-absorbing particles are mixed in the cholesteric liquid crystal, and a refractive index of the cholesteric liquid crystal is smaller than each of refractive indexes of the total internal reflection structure and the light-absorbing particles.

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