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公开(公告)号：US20190329716A1
公开(公告)日：2019-10-31
申请号：US16508280
申请日：2019-07-10
Inventor： KOSUKE KUBOTA , KEN'ICHI KASAZUMI , TOSHIYA MORI
IPC: B60R11/02
Abstract: A display device that displays a virtual image by projecting an image onto a display medium includes: a light source unit; a screen that is movably disposed on an optical path from the light source unit to the display medium; a self-emitting display unit that is disposed adjacent to the optical path; a scan unit that scans the screen with the light emitted from the light source unit; and a drive unit that moves the screen along the optical path. The screen is disposed to project an image imaged on the screen by scanning of the scan unit onto the display medium. The self-emitting display unit is disposed to project an image generated by the self-emitting display unit onto the display medium.
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公开(公告)号：US20190018240A1
公开(公告)日：2019-01-17
申请号：US16066356
申请日：2016-11-21
Inventor： KEN'ICHI KASAZUMI , TOSHIYA MORI , KOSUKE KUBOTA , MASAHITO OGATA
Abstract: The display device includes: a display unit that projects a light beam onto a windshield so that the light beam is reflected from the windshield such that one or more virtual images are displayed in a space further than the windshield in a depth direction through the windshield; and a controller that controls the display unit so that a first vertical image and a second vertical image included in the one or more virtual images and have different distances from the windshield in the depth direction, are displayed in a time-division manner.
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公开(公告)号：US20190011611A1
公开(公告)日：2019-01-10
申请号：US16068956
申请日：2017-01-10
Inventor： KEN'ICHI KASAZUMI , TOSHIYA MORI , KOSUKE KUBOTA , MASAHITO OGATA , HIROAKI OKAYAMA , SATOSHI KUZUHARA
Abstract: The present invention provides a Fresnel lens that can reduce generation of concentric stray light. The Fresnel lens includes a sawtooth corrugated face that is formed by alternately disposing a first face inclined relative to optical axis A and a second face substantially parallel to optical axis A, and a light shielding mask is formed at a position corresponding to the second face.
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公开(公告)号：US20200012097A1
公开(公告)日：2020-01-09
申请号：US16319536
申请日：2017-07-18
Inventor： KOSUKE KUBOTA , KEN'ICHI KASAZUMI , MASAHITO OGATA , TOSHIYA MORI
IPC: G02B27/01
Abstract: A HUD device that allows an occupant of a moving body to view a virtual image by projecting an image on a display medium includes a display item information acquisition unit that acquires display item information showing position and display content of display item, a travel information acquisition unit that acquires travel information indicating position of the moving body at predetermined time intervals, and a state information acquisition unit that acquires state information indicating state of the moving body, and specifies at display timings display position on the basis of position indicated by display item information and position indicated by travel information acquired last. The HUD device includes a display controller that specifies display position on the basis of position indicated by display item information and correction position obtained by correcting position indicated by travel information acquired last in accordance with state indicated by state information and displays an image showing display content indicated by display item information at the specified display position on the display medium when a predetermined condition is satisfied.
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Patent Agency Ranking
公开(公告)号：US20190196187A1
公开(公告)日：2019-06-27
申请号：US16328714
申请日：2017-09-08
Inventor： KEN'ICHI KASAZUMI , KOSUKE KUBOTA , MASAHITO OGATA , TOSHIYA MORI
CPC classification number: G02B27/0101 , B60K35/00 , G02B26/10 , G02B26/101 , G02B27/01 , G02B27/0179 , G02B27/22 , G02B2027/0127 , G02B2027/0138 , G02B2027/014 , G02B2027/0181
Abstract: A display apparatus that displays a virtual image having a shape that follows an object to be superimposed when viewed from a user is provided. An optical system that is included in the display apparatus and displays a virtual image that is three-dimensional includes a laser that emits laser light, a MEMS scanner that performs scanning with the laser light, a screen that forms an image on a surface of the screen with the MEMS scanner scanning the surface with the laser light, a projection unit that generates a virtual image by projecting the image formed onto a display medium, and a drive unit that reciprocates the screen scanned with the laser light in a predetermined section along an optical path of the optical system at a predetermined cycle. The MEMS scanner changes a vertical movement speed of a scan line according to a shape of an object included in a background and is superimposed with the virtual image in scanning performed with the laser light at a scanning cycle in synchronization with a cycle of the reciprocation.
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公开(公告)号：US20200012103A1
公开(公告)日：2020-01-09
申请号：US16576908
申请日：2019-09-20
Inventor： KEN'ICHI KASAZUMI , TOSHIYA MORI , KOSUKE KUBOTA , MASAHITO OGATA , MASANAGA TSUJI
Abstract: A display device includes an image forming unit, a projection unit, a main body, and a position correcting unit. The image forming unit includes a display surface and forms an image on the display surface. The projection unit projects a virtual image corresponding to an image on a target space by using output light from the image forming unit. The main body is equipped with an image forming unit and a projection unit. The position correcting unit changes a display position of a virtual image relative to the main body on the basis of an orientation signal representing an orientation of the main body. The position correcting unit includes a plurality of correcting units that change a display position of a virtual image by using different means. The position correcting unit selects at least one correcting unit from a plurality of correcting units in accordance with a frequency component of an orientation signal, and causes the selected correcting unit to change a display position of a virtual image.
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公开(公告)号：US20180284435A1
公开(公告)日：2018-10-04
申请号：US15910067
申请日：2018-03-02
Inventor： KOSUKE KUBOTA , TOSHIYA MORI , KEN'ICHI KASAZUMI , MASAHITO OGATA
Abstract: A display device includes: a video display that displays a video for projecting a virtual image onto a target space on a video display surface; an optical element; and a projector. The optical element moves a partial video, which is a part of the video displayed on the video display surface, to a position distant from the video display in a projection direction in which the video is projected. The projector projects a virtual image viewed by a user by projecting light output from the video display and the optical element to a reflecting member. The optical element has an incident surface on which the partial video is incident, and an emitting surface from which the partial video incident on the incident surface emits. The incident surface and the emitting surface are parallel to each other.
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公开(公告)号：US20180284434A1
公开(公告)日：2018-10-04
申请号：US15891388
申请日：2018-02-08
Inventor： MASAHITO OGATA , TOSHIYA MORI , KOSUKE KUBOTA , KEN'ICHI KASAZUMI
Abstract: A display device includes a video display, an optical element, and a projector. The video display displays a video on the video display surface. The optical element receives, on an incident surface, at least a part of the video displayed on the video display surface, and emits an incident video, which is the part of the video received on the incident surface, from an emitting surface. The projector projects a virtual image viewed by a user by projecting light output from the video display and the optical element to a reflecting member. An inclined portion inclined with respect to at least a part of the video display surface is provided on at least a part of the emitting surface of the optical element.
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公开(公告)号：US20180259807A1
公开(公告)日：2018-09-13
申请号：US15977342
申请日：2018-05-11
Inventor： KOUZOU YUUKI , JUNICHI NONAKA , KOSUKE KUBOTA
IPC: G02F1/1333 , B60K35/00 , G02F1/1335 , G02B27/01
CPC classification number: G02F1/133385 , B60K35/00 , B60K2370/155 , B60K2370/334 , F21S2/00 , F21V29/503 , F21V29/76 , G02B27/0101 , G02F1/133308 , G02F1/133603 , G02F1/133606 , G02F2001/133628 , G03B21/006 , G03B21/16
Abstract: A display device includes a light source, an optical system, a liquid crystal panel, and a first heat sink. The optical system converts light emitted from the light source into irradiation light that is to be an irradiation area having a predetermined width. The liquid crystal panel receives the irradiation light. The first heat sink includes an opening through which the irradiation light passes, and supports the liquid crystal panel. The first heat sink is in contact with the liquid crystal panel
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