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    HEAD-UP DISPLAY AND MOVING BODY WITH HEAD-UP DISPLAY MOUNTED THEREON
    2.
    发明申请
    HEAD-UP DISPLAY AND MOVING BODY WITH HEAD-UP DISPLAY MOUNTED THEREON 审中-公开

    公开(公告)号：US20200301140A1

    公开(公告)日：2020-09-24

    申请号：US16892386

    申请日：2020-06-04

    Applicant: Panasonic Intellectual Property Management Co., Ltd.

    Inventor： SATOSHI KUZUHARA ,  HIROAKI OKAYAMA

    IPC: G02B27/01

    Abstract: A head-up display is configured to project an image on a transparent reflection member to cause an observer to visually recognize a virtual image, and includes a display device configured to display the image, and a projection optical system configured to project the image displayed by the display device as the virtual image for the observer. The projection optical system is configured to form the image as an intermediate image, and includes a first optical element configured to condense light, a first lens configured to condense light, and a second optical element configured to diffuse light. The first optical element, the first lens, and the second optical element are disposed in this order along an optical path from the display device.

    DISPLAY DEVICE AND MOVING BODY CARRYING DISPLAY DEVICE
    3.
    发明申请
    DISPLAY DEVICE AND MOVING BODY CARRYING DISPLAY DEVICE 审中-公开

    公开(公告)号：US20190293936A1

    公开(公告)日：2019-09-26

    申请号：US16437981

    申请日：2019-06-11

    Applicant: Panasonic Intellectual Property Management Co., Ltd.

    Inventor： HIROAKI OKAYAMA ,  SATOSHI KUZUHARA ,  MASAHITO OGATA ,  TOSHIYA MORI ,  KEN'ICHI KASAZUMI ,  MASAFUMI SUEYOSHI

    IPC: G02B27/01

    Abstract: In a display device, an irradiation unit includes an imaging optical system. The imaging optical system scans and irradiates a front surface of a screen with light to form an image. The light passing through the screen and output from the screen in a movement direction is incident on a projection unit as incident light. The projection unit irradiates a reflective member with the incident light to allow the reflective member to reflect the incident light to form a virtual image corresponding to the image in a target space. A locus of a focal position of the imaging optical system when the irradiation unit wholly scans the front surface of the screen is within a range between the front surface of the screen at a first position and the front surface of the screen at a second position.

    HEAD-UP DISPLAY AND MOVING BODY WITH HEAD-UP DISPLAY MOUNTED THEREON
    6.
    发明申请
    HEAD-UP DISPLAY AND MOVING BODY WITH HEAD-UP DISPLAY MOUNTED THEREON 审中-公开

    公开(公告)号：US20200301141A1

    公开(公告)日：2020-09-24

    申请号：US16892397

    申请日：2020-06-04

    Applicant: Panasonic Intellectual Property Management Co., Ltd.

    Inventor： SATOSHI KUZUHARA ,  HIROAKI OKAYAMA

    IPC: G02B27/01 ,  B60R11/02

    Abstract: A head-up display is configured to project an image on a transparent reflection member to cause an observer to visually recognize a virtual image, and includes a display device configured to display the image, and a projection optical system configured to project the image displayed by the display device as the virtual image for the observer. The projection optical system is configured to form an image as an intermediate image, and includes a first lens configured to condense light, and a first optical element configured to diffuse light. The first lens and the first optical element are disposed in this order along an optical path from the display device. The first lens is inclined with respect to a reference beam which is defined as a beam reaching a center of a viewpoint region of the observer and corresponding to a center of the virtual image.

    HEAD-UP DISPLAY AND MOVING BODY EQUIPPED WITH HEAD-UP DISPLAY
    9.
    发明申请
    HEAD-UP DISPLAY AND MOVING BODY EQUIPPED WITH HEAD-UP DISPLAY 审中-公开

    公开(公告)号：US20180045958A1

    公开(公告)日：2018-02-15

    申请号：US15797143

    申请日：2017-10-30

    Applicant: Panasonic Intellectual Property Management Co., Ltd.

    Inventor： SATOSHI KUZUHARA ,  HIROAKI OKAYAMA

    IPC: G02B27/01 ,  G03B21/14 ,  B60K35/00 ,  G03B21/28

    Abstract: A head-up display projects an image on a transparent reflective member to allow an observer to visually recognize a virtual image. The head-up display includes a display device and a projection optical system. The projection optical system includes a refractive optical system and a concave mirror. The display device displays the image. The projection optical system projects the image displayed on the display device to a visual point of an observer. The refractive optical system includes at least one optical element. The concave mirror has a concave reflection surface. The refractive optical system is positioned on an optical path between the display device and the concave mirror. In the refractive optical system, an incident surface of a lens element having negative power into which light of the image displayed on the display device is incident is concave.

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