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23 条记录 (耗时 0.015 秒)

    Headlight apparatus
    2.
    发明授权
    Headlight apparatus 有权

    公开(公告)号：US11203283B2

    公开(公告)日：2021-12-21

    申请号：US16768873

    申请日：2018-11-13

    申请人： MAXELL, LTD.

    发明人： Toshinori Sugiyama ,  Yasuhiko Kunii ,  Koji Hirata

    IPC分类号： B60Q1/14 ,  F21S41/30 ,  F21S41/25 ,  F21S45/10 ,  F21S41/13 ,  F21S41/68 ,  F21S41/40 ,  F21W102/20

    摘要： A headlight apparatus configured to irradiate illumination light onto a road surface on which a vehicle travels includes a visible radiation lighting unit and a projector lens. The visible radiation lighting unit generates illumination light. The projector lens is provided on an optical axis of the visible radiation lighting unit, and is configured to distribute and project the illumination light irradiated from the visible radiation lighting unit. The visible radiation lighting unit has an LED, a liquid crystal display panel, and a shutter. The LED emits light. The liquid crystal display panel controls light distribution of the illumination light emitted from the LED. The shutter is provided between the liquid crystal display panel and the projector lens, and is configured to shield the liquid crystal display panel from solar light that enters through the projector lens.

    Head up display device and image display apparatus therefor
    6.
    发明授权
    Head up display device and image display apparatus therefor 有权

    公开(公告)号：US11571952B2

    公开(公告)日：2023-02-07

    申请号：US16330392

    申请日：2017-08-01

    申请人： MAXELL, LTD.

    发明人： Toshinori Sugiyama ,  Koji Hirata ,  Yasuhiko Kunii ,  Masahiko Yatsu ,  Kazuomi Kaneko

    IPC分类号： G02B5/30 ,  G02B27/01 ,  B60J1/00

    摘要： A HUD device and an image display apparatus for solving a problem that a HUD image cannot be seen in a HUD device that displays a virtual image when wearing the sunglasses having polarization function are provided. A head up display device for a vehicle is provided with an image display apparatus configured to project an image onto a windshield or a combiner by polarized light and means of converting polarization of polarized light of the image projected from the image display apparatus, the means being provided on a part of a light path from the image display apparatus to the windshield or the combiner.

    LED light source device and electronic device using the same
    7.
    发明授权
    LED light source device and electronic device using the same 有权

    公开(公告)号：US10859754B2

    公开(公告)日：2020-12-08

    申请号：US16089411

    申请日：2017-02-28

    申请人： MAXELL, LTD.

    发明人： Toshinori Sugiyama ,  Koji Hirata ,  Yasuhiko Kunii

    IPC分类号： F21V8/00 ,  G02F1/13357 ,  G03B21/20 ,  G02B27/01

    摘要： Provided is a compact light source device that can be manufactured at a low cost and is suitable as an illumination light source for a display device of an electronic device such as an HUD or an ultra-compact projector. This light source device includes a solid-state light source, a collimating optical system that converts light having exited the solid-state light source into a substantially collimated light; and a light guide that allows the light having exited the collimating optical system to enter and allows this light to exit in a direction that differs from a direction of entry. The light source device further includes a polarization converting element that aligns polarization directions of the light exiting the light guide into one direction.

    Headlight device
    8.
    发明授权
    Headlight device 有权

    公开(公告)号：US10690311B2

    公开(公告)日：2020-06-23

    申请号：US16480923

    申请日：2017-12-12

    申请人： MAXELL, LTD.

    发明人： Koji Hirata ,  Toshinori Sugiyama ,  Yasuhiko Kunii

    IPC分类号： F21V9/14 ,  F21S41/64 ,  F21S41/13 ,  F21S41/141 ,  F21S41/20

    摘要： A vehicle headlight device attached to a part of a vehicle and configured to apply illumination light to a road surface on which the vehicle runs comprises: a light source device configured to Generate the illumination light; an optical unit disposed on a light axis of the light source device and configured to project the illumination light from the light source device so as to form a desired light distribution; and a polarization direction conversion device disposed in a part of a light path between the light source device and the optical unit and being able to control the illumination light from the light source device with inclusion of conversion of a polarization direction thereof for each irradiation region in accordance with a state of a position irradiated with the illumination light on the road surface.

    Light source apparatus and head up display apparatus
    10.
    发明授权
    Light source apparatus and head up display apparatus 有权

    公开(公告)号：US11422367B2

    公开(公告)日：2022-08-23

    申请号：US16622362

    申请日：2017-06-16

    申请人： MAXELL, LTD.

    发明人： Toshinori Sugiyama ,  Koji Hirata ,  Masahiko Yatsu ,  Yasuhiko Kunii ,  Kazuomi Kaneko

    IPC分类号： G02B27/01 ,  F21V8/00 ,  G02B27/28

    摘要： The light source apparatus has: a light source unit including a plurality of semiconductor light source elements; a collimator including a plurality of collimator elements, each of the plural collimator elements being disposed on a light emission axis of each of the plural semiconductor light source elements; a polarization conversion element disposed on an emission side of the collimator; and a light guide disposed on an emission side of the polarization conversion element, the plural semiconductor light source elements and the plural collimator elements are arranged in a first direction orthogonal to the light emission axis, and the polarization conversion element extends in the first direction, and includes a polarizing beam splitter and a phase plate, which are arranged at symmetrical positions with respect to a plane formed by the first direction and a second direction corresponding to the light emission axis.