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公开(公告)号：US10859824B2
公开(公告)日：2020-12-08
申请号：US16220548
申请日：2018-12-14
Applicant: OMRON Corporation
Inventor： Masayuki Shinohara , Mitsuru Okuda , Norikazu Kitamura , Yasuhiro Tanoue
IPC: G02B27/01 , G03B35/18 , G09F13/18 , F21S2/00 , G09F19/12 , G02B30/00 , G02B30/35 , F21V8/00 , G02B3/08
Abstract: A display device for head-up display forms an image with a view of an object from above in a vertical direction in a space outside the display device for an image which presents an object with a vertical direction. The object includes a reference surface that is a reference of the vertical direction. The display device forms the image so that an observer has a view from the upper part of the reference surface.
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公开(公告)号：US10754084B2
公开(公告)日：2020-08-25
申请号：US15440216
申请日：2017-02-23
Applicant: OMRON Corporation
Inventor： Masayuki Shinohara , Yuto Mori , Norikazu Kitamura , Yasuhiro Tanoue
IPC: F21V8/00
Abstract: A light source device includes a light source configured to emit illumination light and a flat plate shaped transparent lightguide element. The lightguide element includes: an incident surface facing the light source; a reflecting surface formed in one of side surfaces of the lightguide element to reflect the illumination light incident into the lightguide element from the incident surface; and an exit surface formed in a side surface of the lightguide element on an opposite side to the reflecting surface, the illumination light reflected by the reflecting surface exiting from the exit surface. The reflecting surface is formed into a curved surface, the curved surface collimating the illumination light reflected by the reflecting surface in a surface including a lengthwise direction of the reflecting surface, and the reflecting surface is formed into a concave mirror in a surface including a short direction of the reflecting surface.
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公开(公告)号：US20190324183A1
公开(公告)日：2019-10-24
申请号：US16342272
申请日：2017-11-20
Applicant: Omron Corporation
Inventor： Masayuki Shinohara , Gouo Kurata , Norikazu Kitamura , Tsuyoshi Arai , Yuto Mori
Abstract: Provided is a display device that prevents generation of stray light and has excellent visibility. In a display device (1) that makes an image light ray enter from an end face of a light guide plate (14) and emits the image light ray, reflected or refracted by each of a plurality of emission structures (prisms 141) provided on the light guide plate, from a light exit surface (14c) of the light guide plate, a light reflection layer or a light absorption layer is formed on at least one optical surface among optical surfaces provided on the emission structure (the prism 141) except for an optical surface that reflects or refracts the image light ray.
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公开(公告)号：US20190317266A1
公开(公告)日：2019-10-17
申请号：US16343257
申请日：2017-11-22
Applicant: Omron Corporation
Inventor： Masayuki Shinohara , Gouo Kurata , Tsuyoshi Arai , Norikazu Kitamura , Yuto Mori
Abstract: To make a displayed image clear. A display device emits image light reflected by a plurality of prisms (141) provided in a light guide plate (14) from a light exit surface (14c). The prism (141) has a reflective surface (141a) that reflects and emits the image light. The reflective surface (141a) is formed in a curved shape in a thickness direction of the light guide plate (14).
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公开(公告)号：US10442339B2
公开(公告)日：2019-10-15
申请号：US15985422
申请日：2018-05-21
Applicant: OMRON Corporation
Inventor： Masayuki Shinohara , Yasuhiro Tanoue , Norikazu Kitamura , Gouo Kurata , Toru Ashida
Abstract: A vehicle light emitting device provided to a vehicle and configured to emit light toward outside the vehicle includes a light source; a light guide plate including a light emitting surface and configured to direct light entering from the light source so that the light exits from the light emitting surface and forms an image in a space; and a lighting controller configured to control the emissions state of the light source in accordance with an operation of the vehicle.
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Patent Agency Ranking
公开(公告)号：US20190196090A1
公开(公告)日：2019-06-27
申请号：US16326822
申请日：2017-08-22
Applicant: Omron Corporation
Inventor： Yuto Mori , Gouo Kurata , Norikazu Kitamura
IPC: F21V8/00
CPC classification number: G02B6/0028 , F21S2/00 , F21S41/00 , F21S43/00 , F21S45/00 , G02B6/0068
Abstract: A light guide element includes: an incidence surface wherefrom light enters from a light source; a first reflection surface configured to totally reflect at least a portion of the light entering from the incidence surface; a second reflection surface configured to totally reflect at least a portion of the light totally reflected by the first reflection surface as parallel light; and an emission surface configured to emit the parallel light totally reflected by the second reflection surface.
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公开(公告)号：US20190137772A1
公开(公告)日：2019-05-09
申请号：US16220842
申请日：2018-12-14
Applicant: OMRON Corporation
Inventor： Yoshihiko Takagi , Norikazu Kitamura , Mitsuru Okuda
Abstract: An optical device includes a light guide plate configured to guide light within a plane parallel to an emission surface, and a plurality of deflectors configured to deflect light guided thereto by the light guide plate, causing light forming an image in a space outside the light guide plate to exit from the emission surface. Each deflector in the plurality of deflectors cause the light to exit from the emission surface toward a direction substantially converging onto a single convergence point or convergence line in the space, or to substantially radiate from a single convergence point or convergence line in the space. The convergence point or the convergence line is mutually different among the plurality of deflectors with a grouping of a plurality of the convergence points or the convergence lines forming the image in the space.
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公开(公告)号：US20190094442A1
公开(公告)日：2019-03-28
申请号：US16012633
申请日：2018-06-19
Applicant: OMRON Corporation
Inventor： Masayuki Shinohara , Gouo Kurata , Yasuhiro Tanoue , Norikazu Kitamura , Yuto Mori
Abstract: A display device configured for use as a backlight for a display panel that effects presentation via liquid crystals that produce a monochrome image. The display device includes a light guide plate; and a first and a second light source arranged at an edge of the light guide plate. The light guide plate includes: an emission surface; a cluster of first reflective structures configured to reflect light incident thereon from the first light source thereby changing the optical path of the light and causing the light to exit from the emission surface to serve as the backlight; and a cluster of second reflective structures configured to reflect light incident thereon from a second light source thereby changing the optical path of the light and causing the light to exit from the emission surface to effect a predetermined display.
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公开(公告)号：US20180348960A1
公开(公告)日：2018-12-06
申请号：US15985372
申请日：2018-05-21
Applicant: OMRON Corporation
Inventor： Masayuki Shinohara , Yasuhiro Tanoue , Gouo Kurata , Norikazu Kitamura , Yoshihiko Takagi , Mitsuru Okuda , Yuto Mori
IPC: G06F3/042 , G01S17/08 , H04N13/388 , F21V8/00
Abstract: An input device recognizes that a user is placing a finger or another object toward an image formed in a space and notifies the user of the recognition. An input device includes a light guide plate that guides light received from a light source and emit the light through a light emission surface to form an image in a space, a position detection sensor that detects a pointer in a space including an imaging position at which the image is formed, and a notification controller that performs control to sense a user input in response to detection of the pointer by the position detection sensor and change a method of notification to the user in accordance with a distance between the imaging position and the pointer.
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10.发明授权Reflection structure, light guide body, light emitting device, and game machine 有权反射结构，导光体，发光装置和游戏机公开(公告)号：US09582959B2
公开(公告)日：2017-02-28
申请号：US14587737
申请日：2014-12-31
Applicant: OMRON Corporation
Inventor： Masayuki Shinohara , Yoshimasa Osumi , Yoshihiko Takagi , Norikazu Kitamura , Takaaki Suzumura , Junya Fujita
CPC classification number: G07F17/3211 , G02B6/0036 , G02B6/006 , G02B6/0068 , G07F17/3202
Abstract: A reflection structure configured to be disposed on a light guide body that guides a light beam incident from a light source and causes the light beam to exit from a light emitting area set in a light exit surface, having a reflection surface that reflects the light beam emitted from the light source toward the light emitting area. When the reflection structure is viewed from a direction perpendicular to the light exit surface, a pointed end is arranged in a direction orthogonal to a traveling direction of the reflected light beam, and an angle formed between the traveling direction of the reflected light beam and a normal direction of an end edge of the reflection surface connected to the pointed end is less than or equal to −38.327x2+152.3x−94.014, wherein x is a refractive index of the light guide body.
Abstract translation: 一种反射结构，其被配置为设置在导光体上，该导光体引导从光源入射的光束，并使光束从设置在光出射面的发光区域出射，具有反射光束的反射面 从光源发射到发光区域。 当从垂直于光出射面的方向观察反射结构时，在与反射光的行进方向正交的方向上配置有尖端，在反射光的行进方向和 与尖端连接的反射面的端缘的法线方向小于或等于-38.327×2 + 152.3×94.014，其中x是导光体的折射率。
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