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    LIGHT SOURCE APPARATUS AND HEAD UP DISPLAY APPARATUS
    1.
    发明公开
    LIGHT SOURCE APPARATUS AND HEAD UP DISPLAY APPARATUS 审中-公开

    公开(公告)号：US20230176373A1

    公开(公告)日：2023-06-08

    申请号：US17921368

    申请日：2021-04-12

    申请人： MAXELL, LTD.

    发明人： Toshimasa NAGAI ,  Toshinori SUGIYAMA ,  Chohei ONO

    IPC分类号： G02B27/01 ,  B60R1/20 ,  G02B27/30 ,  F21V8/00 ,  F21V7/09

    CPC分类号： G02B27/01 ,  B60R1/20 ,  G02B27/30 ,  G02B6/0011 ,  F21V7/09 ,  B60R2300/205 ,  F21Y2115/10

    摘要： A light source apparatus and the like capable of improving the manufacturing yield are provided. The light source apparatus includes a light source, a collimator which is arranged to face the light source and includes a reflection portion for adjusting a focal length of light incident from the light source to the collimator, and a light guide arranged on an emission side of the collimator. The reflection portion of the collimator includes a normal focus area in which the light emitted from the light source and incident to the collimator is converted into substantially parallel light, a long focus area in which the light incident to the collimator is converted into slightly divergent light in comparison with the substantially parallel light, and a short focus area in which the light incident to the collimator is converted into slightly convergent light in comparison with the substantially parallel light.

    INFORMATION DISPLAY APPARATUS AND INFORMATION DISPLAYING METHOD
    2.
    发明申请
    INFORMATION DISPLAY APPARATUS AND INFORMATION DISPLAYING METHOD 有权

    公开(公告)号：US20210291658A1

    公开(公告)日：2021-09-23

    申请号：US17264314

    申请日：2019-07-18

    申请人： Maxell, Ltd.

    发明人： Koji HIRATA ,  Masahiko YATSU ,  Chohei ONO ,  Masayuki FUKUI ,  Yasuhiko KUNII ,  Akio MISAWA ,  Kanei KAKU

    IPC分类号： B60K35/00 ,  G02B27/01 ,  G02B27/00 ,  G02B5/10

    摘要： An information display apparatus is provided. The information display apparatus includes: a display configured to display video information of a virtual image; and a virtual image optical system configured to display a virtual image at a front of conveyance by reflecting light emitted from the display. The system includes a concave mirror and an optical element. The optical element is arranged between the display and the concave mirror, and is configured to correct distortion of the virtual image obtained in accordance with a viewpoint position of a driver. The information display apparatus further includes means for forming the virtual image generated by reflecting a video light flux by means of front and back surfaces of the windshield in front of a position of a driver's line of sight in a region where a virtual image distance exceeds a driver's determination limit range or a region around the determination limit range.

    HEAD-UP DISPLAY
    3.
    发明申请
    HEAD-UP DISPLAY 有权

    公开(公告)号：US20210271076A1

    公开(公告)日：2021-09-02

    申请号：US17261182

    申请日：2019-05-16

    申请人： Maxell, Ltd.

    发明人： Chohei ONO ,  Akio MISAWA

    IPC分类号： G02B27/00 ,  G02B27/01 ,  G02B5/10 ,  G02B7/182 ,  B60K35/00 ,  G06F3/01 ,  H04N5/33

    摘要： A head-up display comprises an image display device, a virtual image optical system, a housing with a housing opening, an antiglare plate covering the housing opening, a camera for capturing an image of a face area including an eye of a driver, a viewpoint detection device for detecting a viewpoint of the driver based on the image captured by the camera, and a main controller. The camera is installed on a position outside the housing and withdrawn from an optical path of the image light emitted through the housing opening, as well as in an orientation for capturing an image of an area where a face including the eye of the driver is reflected on the antiglare plate. The main controller controls to adjust an emission direction of the image light based on a viewpoint position of the driver detected by the viewpoint detection device.

    ILLUMINATION DEVICE
    5.
    发明申请
    ILLUMINATION DEVICE 审中-公开

    公开(公告)号：US20180156401A1

    公开(公告)日：2018-06-07

    申请号：US15539205

    申请日：2014-12-26

    申请人： HITACHI MAXELL, LTD.

    发明人： Chohei ONO ,  Kazuomi KANEKO ,  Nobuyuki KAKU

    IPC分类号： F21S8/06 ,  G03B21/20 ,  G03B21/14 ,  F21V19/00

    CPC分类号： F21S8/06 ,  F21S8/04 ,  F21V19/001 ,  F21V23/04 ,  F21V33/0052 ,  F21Y2115/10 ,  G03B21/006 ,  G03B21/008 ,  G03B21/10 ,  G03B21/145 ,  G03B21/16 ,  G03B21/2033 ,  G03B21/28

    摘要： An illumination device emits illumination light and has a light source arranged inside a housing generating illumination light; a diffusing panel attached to the housing; and a projector inside a space formed by the housing and a part of the diffusing panel and projecting an image onto a projection surface. An optical unit is arranged so that an incident direction of a light flux incident from a display element provided in the projector onto a projection optical system of the projector is substantially parallel to a horizontal plane or in a direction closer to a direction parallel to the horizontal plane than a vertical direction, or in so that an optical axis of the projection optical system on which the light flux from the display element is substantially parallel to the horizontal plane or in a direction closer to a direction parallel to the horizontal plane than the vertical direction.

    LIGHT SOURCE DEVICE AND PROJECTION TYPE IMAGE DISPLAY DEVICE
    6.
    发明申请
    LIGHT SOURCE DEVICE AND PROJECTION TYPE IMAGE DISPLAY DEVICE 有权
    光源设备和投影类型图像显示设备

    公开(公告)号：US20160088273A1

    公开(公告)日：2016-03-24

    申请号：US14786515

    申请日：2013-04-22

    申请人： HITACHI MAXELL, LTD.

    发明人： Masayuki FUKUI ,  Kei ADACHI ,  Chohei ONO

    IPC分类号： H04N9/31 ,  G02B27/14 ,  G02B26/00 ,  G03B21/20

    CPC分类号： H04N9/3158 ,  F21V9/08 ,  G02B26/007 ,  G02B26/008 ,  G02B27/1006 ,  G02B27/141 ,  G03B21/204 ,  G03B21/2066 ,  G03B33/00 ,  H04N9/3161 ,  H04N9/3164

    摘要： Provided is a light source device where the number of optical components is reduced without lowering an efficiency for light utilization. The light source device includes an excitation light source which generates blue laser light as excitation light, a phosphor wheel including a phosphor which is excited by the excitation light from the excitation light source to generate yellow fluorescent light, and a mirror which guides the excitation light from the excitation light source to the phosphor wheel and transmits the fluorescent light from the phosphor wheel, wherein the mirror includes a first region which reflects the excitation light and transmits the fluorescent light and a second region which transmits the fluorescent light and diffused excitation light which is diffused and reflected in the phosphor. The yellow fluorescent light and the diffused excitation light passing through the mirror are mixed to generate white light.

    摘要翻译： 提供一种在不降低光利用效率的情况下减少光学部件的数量的光源装置。 光源装置包括产生作为激发光的蓝色激光的激发光源，包括由来自激发光源的激发光激发以产生黄色荧光的荧光体的荧光轮，以及引导激发光的反射镜 从激发光源到荧光体轮，并且透射来自荧光轮的荧光，其中反射镜包括反射激发光并透射荧光的第一区域和透射荧光的第二区域和扩散的激发光， 在荧光体中扩散并反射。 黄色荧光和通过反射镜的扩散激发光被混合以产生白光。

    VEHICLE LAMP
    7.
    发明申请
    VEHICLE LAMP 有权
    车灯

    公开(公告)号：US20150330591A1

    公开(公告)日：2015-11-19

    申请号：US14651212

    申请日：2013-12-17

    申请人： HITACHI MAXELL, LTD.

    发明人： Kei ADACHI ,  Masayuki FUKUI ,  Hiroyuki NAKAMURA ,  Chohei ONO

    IPC分类号： F21S8/10

    CPC分类号： F21S48/145 ,  F21S41/14 ,  F21S41/141 ,  F21S41/16 ,  F21S41/32 ,  F21S41/40 ,  F21S41/43 ,  F21S45/10 ,  F21Y2101/00 ,  F21Y2115/10 ,  F21Y2115/30 ,  H01S5/02212

    摘要： A vehicle lamp includes a phosphor which receives laser light (excitation light) emitted from a semiconductor light-emitting element to emit visible light, a reflector which reflects the visible light (illumination light) emitted from the phosphor forward, and an absorbing member which absorbs excitation light regularly reflected by a surface of the phosphor. A metal plate on which the phosphor is disposed to be inclined to cause the excitation light regularly reflected by the surface of the phosphor to be incident on the absorbing member. An upper end portion of the reflector is disposed at a position lower than a vertical position of the phosphor to prevent the regularly reflected excitation light from being incident on the upper end portion.

    摘要翻译： 车灯包括接收从半导体发光元件发射的发射可见光的激光（激发光）的荧光体，反射从磷光体向前发射的可见光（照明光）的反射器和吸收构件 由荧光体的表面规则反射的激发光。 其上配置有磷光体倾斜的金属板，使由荧光体的表面规则地反射的激发光入射到吸收部件上。 反射器的上端部设置在低于荧光体的垂直位置的位置，以防止规则反射的激发光入射在上端部。

    INFORMATION DISPLAY DEVICE
    9.
    发明申请
    INFORMATION DISPLAY DEVICE 有权

    公开(公告)号：US20230118416A1

    公开(公告)日：2023-04-20

    申请号：US17915524

    申请日：2021-03-24

    申请人： MAXELL, LTD.

    发明人： Koji HIRATA ,  Masahiko YATSU ,  Toshinori SUGIYAMA ,  Tomoki YAMAMOTO ,  Toshimasa NAGAI ,  Chohei ONO ,  Hiroyuki KAJIKAWA ,  Naoyuki OGURA

    IPC分类号： B60K35/00 ,  G02B27/01 ,  G02B1/18 ,  G02B5/30

    摘要： An information display device that displays image information as a virtual image on a projection surface, the device including: an opening portion at a part of the housing, image light generating means for generating image light, image light processing means for performing a predetermined optical process on the image light, and image projecting means for projecting the image light such that a viewer can recognize the image information as the virtual image in front of the projection surface, and an optical element in which a reflective polarizing plate is fixed to a substrate having a transmissive property with an adhesive agent or with a pressure-sensitive adhesive agent is provided in a part of an optical path inside the housing, as means for selectively reflecting a P-polarized light component of light in a visible light region, and a moisture-proof film is provided on a surface of the reflective polarizing plate.