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    FREE SPACE OPTICAL COMBINER WITH PRESCRIPTION INTEGRATION
    1.
    发明公开
    FREE SPACE OPTICAL COMBINER WITH PRESCRIPTION INTEGRATION 审中-公开

    公开(公告)号：EP3368940A1

    公开(公告)日：2018-09-05

    申请号：EP16787972.5

    申请日：2016-10-12

    Applicant: Google LLC

    Inventor： KRESS, Bernard C. ,  NORTON, Adam E.

    IPC: G02B27/01

    CPC classification number: G02B27/0172 ,  G02B27/017 ,  G02B27/143 ,  G02B27/4205 ,  G02B2027/013 ,  G02B2027/0174 ,  G02B2027/0178 ,  G02C7/02 ,  G02C2202/20

    Abstract: A prescriptive see-through eyepiece includes a meniscus lens body and an optical combiner. The meniscus lens body has an external scene side with a convex curvature and an eye-ward side with a concave curvature. The optical combiner is disposed within the meniscus lens body to combine image light incident through the eye-ward side with external scene light incident through the external scene side into a combined image. The optical combiner is partially reflective and imparts substantially no lensing power to the external scene light passing through. The optical combiner along with the concave curvature of the eye-ward side are configured to impart prescriptive lensing to the image light while the convex curvature of the external scene side and the concave curvature of the eye-ward side are configured to impart the prescriptive lensing to the external scene light.

    DISPLAY APPARATUS AND DISPLAY UNIT
    4.
    发明授权
    DISPLAY APPARATUS AND DISPLAY UNIT 有权

    公开(公告)号：EP3035106B1

    公开(公告)日：2018-06-06

    申请号：EP14875448.4

    申请日：2014-12-22

    Applicant: Panasonic Intellectual Property Management Co., Ltd.

    Inventor： KUZUHARA, Satoshi

    IPC: G02B27/01 ,  B60K35/00 ,  G03B35/18 ,  H04N5/64 ,  G03B21/28 ,  G02B5/10 ,  G03B21/62

    CPC classification number: G02B27/0101 ,  B60K35/00 ,  G02B5/10 ,  G02B27/01 ,  G02B27/0149 ,  G02B2027/011 ,  G02B2027/0123 ,  G02B2027/013 ,  G02B2027/014 ,  G02B2027/0141 ,  G02B2027/0181 ,  G03B21/28 ,  G03B21/62 ,  H04N5/64

    Abstract: A display apparatus of the present technique includes a display unit configured to project an image onto a light transmissive display member, and forms a virtual image, of the image projected by the display unit, on an opposite side of the display member to a user. The display unit is configured such that a display device for displaying an image and a projection optical system for projecting the image displayed on the display device onto the display member are housed in a housing having an opening through which projection light is emitted. The projection optical system includes, on an optical path from the display device to the opening, a first reflection member disposed on a display device side and a second reflection member disposed on an opening side. The first reflection member has a reflection surface which reflects the image displayed on the display device and has a convex shape, and the second reflection member has a reflection surface which projects the image onto the display member and has a free curved concave shape. Further, a relationship between vertical length Yv of the image displayed on the display device and distance T, on a central optical path, from the user to the virtual image satisfies 0.03

    HEAD-UP DISPLAY AND VEHICLE
    5.
    发明公开
    HEAD-UP DISPLAY AND VEHICLE 审中-公开

    公开(公告)号：EP3223057A4

    公开(公告)日：2018-04-04

    申请号：EP15860468

    申请日：2015-10-23

    Applicant: PANASONIC IP MAN CO LTD

    Inventor： KUZUHARA SATOSHI ,  OKAYAMA HIROAKI

    IPC: G02B27/01 ,  B60K35/00

    CPC classification number: G02B27/0101 ,  B60K35/00 ,  B60K2350/2052 ,  B60K2350/2056 ,  B60K2350/2082 ,  B60K2350/2086 ,  G02B27/01 ,  G02B2027/011 ,  G02B2027/0118 ,  G02B2027/013 ,  G06T19/006

    Abstract: A light beam that is emitted from a center of display surface (111) and reaches a center of a viewing area is referred to as reference light beam (Lc). An intersection of reference light beam (Lc) with reflective surface (121a) of first reflective element (121) is referred to as reference intersection point (121c). A plane including reference light beam (Lc) incident on first reflective element (121) and reference light beam (Lc) reflected by first reflective element (121) is referred to as a reference plane. An intersection line of reflective surface (121a) of first reflective element (121) with the reference plane is referred to as reference intersection line (Bc). A tangent plane of reflective surface (121a) of first reflective element (121) at reference intersection point (121c) is referred to as reference tangent plane (170). Respective heights from two points, vertically upper point (170u) and vertically lower point (1701), which are equidistant from reference intersection point (121c) on reference tangent plane (170), to reflective surface (121a) of first reflective element (121) are referred to as a sag. When perpendiculars (121u, 1211) intersect with reference intersection line (Bc), a sag at point (1701) is greater than a sag at point (170u).

    HEAD-UP DISPLAY DEVICE
    8.
    发明公开
    HEAD-UP DISPLAY DEVICE 审中-公开
    抬头显示设备

    公开(公告)号：EP3222457A1

    公开(公告)日：2017-09-27

    申请号：EP15862040.1

    申请日：2015-11-12

    Applicant: Nippon Seiki Co., Ltd.

    Inventor： SATO,Genichiro ,  SHIGENO,Takanori ,  FURUSAWA,Hiroyuki

    IPC: B60K35/00 ,  G02B27/01

    CPC classification number: B60K35/00 ,  G02B27/01 ,  G02B27/0101 ,  G02B27/0149 ,  G02B2027/0118 ,  G02B2027/013

    Abstract: This head-up display device (H) according to an embodiment of the present invention is mounted on an instrument panel (PNL) of a vehicle. A display means (1) that emits display light (L) is contained in a chassis (4) having a light transmissive cover (42) having a curved surface, and the display light (L) emitted by the display means (1) is output from the light transmissive cover (42). The curved surface of the light transmissive cover (42) is curved so that the side (42CF42OF) on the front (F) side of the vehicle is lower than the side (42CB42OB) on the back (B) side of the vehicle, and that the curved surface is inclined toward the left-right (CO) direction of the vehicle so that a corner (42OF) of the curved surface is lowest.

    Abstract translation: 根据本发明实施例的该平视显示装置（H）被安装在车辆的仪表板（PNL）上。 在具有曲面的透光性罩体（42）的底座（4）中收纳有发出显示光（L）的显示单元（1），显示单元（1）发出的显示光（L）为 从透光罩（42）输出。 透光罩（42）的弯曲表面弯曲成使得车辆前侧（F）侧的侧（42CF42OF）低于车辆后侧（B）侧的侧（42CB42B），并且 弯曲表面朝向车辆的左右（CO）方向倾斜，使得弯曲表面的拐角（42OF）最低。

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