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公开(公告)号：US11327216B2
公开(公告)日：2022-05-10
申请号：US17070967
申请日：2020-10-15
申请人： OMRON Corporation
发明人： Shogo Ikeda , Junya Fujita , Masanori Mori , Mitsuru Okuda , Takuma Ikeda
摘要： A display device according to one or more embodiments may include a lightguide plate comprising a transparent part, and an incident surface, the lightguide plate configured to display at least one pattern; and a light source facing the incident surface. The lightguide plate may include a plurality of prisms on a surface of the lightguide plate, the plurality of prisms being arranged along the at least one pattern to reflect light emitted from the light source and entering the lightguide plate through the incident surface out of the lightguide plate through an emission surface of the lightguide plate, and a transparent protective layer covering at least a part of the emission surface, the protective layer having a smaller refractive index than the lightguide plate.
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公开(公告)号：US11069178B2
公开(公告)日：2021-07-20
申请号：US16614718
申请日：2018-07-24
申请人： Omron Corporation
发明人： Shohei Hisaki , Junya Fujita , Jun Kishimoto , Shogo Ikeda , Masanori Mori , Yoshihiko Takagi
摘要： A display device includes a light guide plate 2 capable of displaying a plurality of patterns (21-1 to 21-9) and including an incident surface; a plurality of light sources (3-1 to 3-9) disposed opposite to the incident surface and corresponding to the plurality of patterns; a storage 5 configured to store a reference table that represents a relationship between a turn-on state number and a combination of light sources to be turned on among the plurality of light sources for each of a plurality of the turn-on state numbers; and a controller 7 configured to specify the combination of light sources to be turned on by referring to the reference table, the combination corresponding to the turn-on state number included in turn-on control information, and control turn-on and turn-off of each light source according to the combination of the light sources. The light guide plate 2 includes a plurality of prisms arrayed on one of surfaces of the light guide plate along the plurality of patterns, the plurality of prisms reflecting light toward the other surface of the light guide plate, the light being emitted from a light source corresponding to the pattern and being incident on the light guide plate from the incident surface.
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公开(公告)号：US20200184762A1
公开(公告)日：2020-06-11
申请号：US16614718
申请日：2018-07-24
申请人： Omron Corporation
发明人： Shohei Hisaki , Junya Fujita , Jun Kishimoto , Shogo Ikeda , Masanori Mori , Yoshihiko Takagi
摘要： A display device includes a light guide plate 2 capable of displaying a plurality of patterns (21-1 to 21-9) and including an incident surface; a plurality of light sources (3-1 to 3-9) disposed opposite to the incident surface and corresponding to the plurality of patterns; a storage 5 configured to store a reference table that represents a relationship between a turn-on state number and a combination of light sources to be turned on among the plurality of light sources for each of a plurality of the turn-on state numbers; and a controller 7 configured to specify the combination of light sources to be turned on by referring to the reference table, the combination corresponding to the turn-on state number included in turn-on control information, and control turn-on and turn-off of each light source according to the combination of the light sources. The light guide plate 2 includes a plurality of prisms arrayed on one of surfaces of the light guide plate along the plurality of patterns, the plurality of prisms reflecting light toward the other surface of the light guide plate, the light being emitted from a light source corresponding to the pattern and being incident on the light guide plate from the incident surface.
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公开(公告)号：US10325570B2
公开(公告)日：2019-06-18
申请号：US15626968
申请日：2017-06-19
申请人： OMRON Corporation
发明人： Junya Fujita , Yuji Hirose , Jun Kishimoto
摘要： A display device includes: a first display unit which is a transmissive display unit; a transparent backlight formed of transparent material, provided relative to the first display unit opposite the viewing surface of the first display unit, and configured to emit light toward the first display unit; a light source configured to output object light to the transparent backlight where light from an object provided opposite the light emission plane of the transparent backlight is output toward the transparent backlight and the first display unit; and a controller configured to control the first display unit, the transparent backlight, and the light source so that light emitted from the transparent backlight shows an image on the first display unit, and so that the object light can pass through the transparent backlight and the first display unit and be output.
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公开(公告)号：US11422300B2
公开(公告)日：2022-08-23
申请号：US17293055
申请日：2019-11-08
申请人： OMRON Corporation
发明人： Shogo Ikeda , Junya Fujita , Jun Kishimoto , Masanori Mori , Mitsuru Okuda
摘要： A first light guide plate and a second light guide plate are arranged facing each other. A microprojection group comprising a plurality of microprojections is arranged in the visual recognition region of the surface facing the first light guide plate in the second light guide plate. The plurality of microprojections have a height and arrangement that ensure a distance where interference fringes are not visually recognized between the first light guide plate and the second light guide plate in contact with the second light guide plate. The microprojection group and the dimples configuring a design part formed on the second light guide plate are formed on an identical surface.
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公开(公告)号：US11320582B2
公开(公告)日：2022-05-03
申请号：US17098523
申请日：2020-11-16
申请人： OMRON Corporation
发明人： Hiroyuki Onitsuka , Junya Fujita , Takehiro Agata
摘要： An illumination device is disclosed that may constitute a partition wall or the like having an impact in a bright and brilliant space. An illumination device according to an embodiment may include: a plurality of light guide plate units each including a light guide plate and an LED substrate; and a base to which the plurality of light guide plate units are attached so as to be laid over the base. The attachment surface of the base is divided into sections for attaching the light guide plate units so as to lay the light guide plate units over the base and each section is provided with an IC board for driving the corresponding LED substrate and snap-fit engagement portions for fixing the light guide plate unit to the base.
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公开(公告)号：US11217059B2
公开(公告)日：2022-01-04
申请号：US17174748
申请日：2021-02-12
申请人： OMRON Corporation
发明人： Hiroyuki Onitsuka , Junya Fujita , Takehiro Agata
摘要： A long decorative illumination device according to one or more embodiments may include a plurality of light guide plates configured to reflect light entering therein from an end surface thereof with reflection surfaces formed in recesses thereon, and causing the light to be emitted from a light emitting surface thereof; a plurality of light sources provided corresponding to the plurality of light guide plates; and a long window part open from at least two directions of the front surface and side surfaces of the decorative illumination device; and the plurality of light guide plates is slanted with gaps therebetween, so that in the slanted state the light emitting surfaces thereof are oriented toward the window part.
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公开(公告)号：US11048034B1
公开(公告)日：2021-06-29
申请号：US16953391
申请日：2020-11-20
申请人： OMRON Corporation
发明人： Hiroyuki Onitsuka , Junya Fujita , Takehiro Agata
IPC分类号： F21V8/00
摘要： An illumination device is disclosed including: a plurality of light guide plate units each including a light guide plate and an LED substrate; and a base to which the plurality of light guide plate units are attached so as to be laid over the base. The attachment surface of the base is divided into sections for attaching the light guide plate units so as to lay the light guide plate units over the base and each section is provided with an IC board for driving the corresponding LED substrate and snap-fit engagement portions for fixing the light guide plate unit to the base. A case for covering the back surface of the light guide plate units formed transparently, and the base is also formed transparently.
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公开(公告)号：US10783739B2
公开(公告)日：2020-09-22
申请号：US16165405
申请日：2018-10-19
申请人： OMRON Corporation
发明人： Masaaki Sumi , Takehiro Agata , Hiroyuki Onitsuka , Junya Fujita
摘要： A push-button for a game machine which is mounted on the game machine includes an operation key configured to accept a press, a side surface portion having translucency and provided in a direction vertical to a pressing direction of the operation key as viewed from the operation key, a light source configured to apply light in a direction parallel to the pressing direction, and a light guiding portion configured to guide light applied from the light source. The light guiding portion includes a first reflective structure configured to reflect at least a part of the light applied from the light source, and a second reflective structure configured to reflect at least a part of the light reflected by the first reflective structure toward the side surface portion.
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公开(公告)号：US10317714B2
公开(公告)日：2019-06-11
申请号：US15627612
申请日：2017-06-20
申请人： OMRON Corporation
发明人： Junya Fujita , Yuji Hirose , Jun Kishimoto
IPC分类号： G02F1/13357 , G02F1/1333 , G09F9/46 , A63F7/02 , G02F1/1347 , G09F9/35 , F21V8/00 , G02F1/1335 , A63F9/24
摘要： A presentation control device includes: a first display unit which is a transmissive display unit; a transparent backlight formed of transparent material, provided relative to the first display unit opposite the viewing surface of the first display unit, and configured to emit light toward the first display unit; a light source configured to output object light to the transparent backlight where light from an object provided opposite the light emission plane of the transparent backlight is output toward the transparent backlight and the first display unit; and a display device including a controller configured to control the first display unit, the transparent backlight, and the light source so that light emitted from the transparent backlight shows an image on the first display unit, and so that the object light can pass through the transparent backlight and the first display unit and be output.
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