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公开(公告)号：US11379046B2
公开(公告)日：2022-07-05
申请号：US17498511
申请日：2021-10-11
Inventor： Masaki Kontani , Hideaki Eto
Abstract: An input device includes: a surface layer; a design sheet disposed on a front surface side or a back surface side of the surface layer; a cushion layer disposed on the back surface side of the surface layer and having a void therein; a plate-shaped frame disposed on a side of the cushion layer opposite to the surface layer; a main body that movably holds the frame in a first direction, in which the surface layer and the frame are stacked, when the surface layer is pressed; and a push-in detector mechanically connected to the frame. The design sheet includes a first portion in which a design is disposed and a second portion in which the design is not disposed in a plan view, and each of the surface layer and the cushion layer extends across the first portion and the second portion in the plan view.
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公开(公告)号：US10725557B2
公开(公告)日：2020-07-28
申请号：US16272533
申请日：2019-02-11
Inventor： Masaki Kontani
Abstract: An input device is provided which includes: a first light source which emits light to cause a first design to be displayed on a display region: a second light source which emits light to cause a second design different from the first design to be displayed on the display region; a switch which receives an input from a user; and a control circuit which, according to the input received by the switch, (i) controls displaying of a design on the display region, by controlling a lighting state of the first light source and a lighting state of the second light source, and (ii) outputs a control signal corresponding to the input received by the switch, to an external device.
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公开(公告)号：US10564777B2
公开(公告)日：2020-02-18
申请号：US16170646
申请日：2018-10-25
Inventor： Yuma Sasagawa , Masaki Kontani , Takeshi Masutani , Wahei Agemizu
Abstract: A display device including (i) a light source and (ii) a light guide body which guides light emitted by the light source, and includes: a light guide leg that guides the light entering through a light entrance surface; and a light exit portion connected to the light guide leg and including a reflection design portion which reflects, in a first direction, a portion of the light guided by the light guide leg and another reflection design portion which reflects, in the first direction, another portion of the light. When viewed in the first direction, the reflection design portion is disposed in a first region on a second direction side with respect to a connecting portion of the light exit portion connected to the light guide leg, and the other reflection design portion is disposed in a second region on a third direction side with respect to the connecting portion.
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公开(公告)号：US11105969B2
公开(公告)日：2021-08-31
申请号：US16267478
申请日：2019-02-05
Inventor： Yuma Sasagawa , Masaki Kontani
Abstract: A display device that includes first and second light sources, a light guide body, and a mask body is provided. The light guide body includes a reflector that has a shape of a first design. The light guide body guides first light emitted by the first light source and reflects the first light by the reflector to display the first design. The mask body includes a light-transmissive portion and a light-blocking portion. The light-transmissive portion has a shape of a second design, and the light-blocking portion is a portion other than the light-transmissive portion. The light-transmissive portion transmits second light emitted by the second light source to display the second design. The first design is displayed at a first display luminance, and the second design is displayed at a second display luminance. The first display luminance and the second display luminance are substantially equalized.
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公开(公告)号：US10890312B2
公开(公告)日：2021-01-12
申请号：US16286534
申请日：2019-02-26
Inventor： Tomonori Sugiyama , Kazuhiko Kaneuchi , Hideaki Nakagawa , Masaki Kontani
IPC: F21V3/10 , G09F13/22 , G06F3/041 , G02F1/1335 , B32B27/00 , F21V3/02 , F21V13/12 , G09F13/08 , G02F1/1333 , B32B21/14 , G02F1/13357 , F21Y115/10 , F21W121/00
Abstract: A display device including a protruding-plate includes the protruding-plate, a thin-film-layer, a transparent-base-material, a first-concealing-layer, a light-diffusion-layer, a light-color-toning-layer, and a second-concealing-layer. The first-concealing-layer is disposed closer to the protruding-plate than the second-concealing-layer and the light-color-toning-layer to the protruding-plate. The protruding-plate, the transparent-base-material, the thin-film-layer, and the second-concealing-layer include a greater thickness in this order. The second-concealing-layer, the first-concealing-layer, and the light-diffusion-layer have a same thickness. The light-diffusion-layer is thicker than the light-color-toning-layer. The transparent-base-material and the thin-film-layer have a same light transmittance. The thin-film-layer, the protruding-plate, the light-diffusion-layer, the light-color-toning-layer, the first-concealing-layer, and the second-concealing-layer have a higher light transmittance in this order.
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Patent Agency Ranking
公开(公告)号：US10696218B1
公开(公告)日：2020-06-30
申请号：US16572956
申请日：2019-09-17
Inventor： Masaki Kontani
Abstract: An illumination device includes: a light source; and a laminate that displays a predetermined design on a front surface by transmitting light emitted by the light source forward in a shape of the predetermined design. The laminate includes: a display layer that includes the front surface and is light transmissive; a reflective layer that includes a first opening having the shape of the predetermined design, is disposed between the display layer and the light source, and reflects external light transmitted from the front surface of the display layer rearward; a light blocking layer that includes a second opening having the shape of the predetermined design and overlapping the first opening, is disposed between the reflective layer and the light source, and blocks light; and a light diffusion layer that diffuses light and is disposed between the reflective layer and the light source to overlap the second opening.
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公开(公告)号：US10483969B2
公开(公告)日：2019-11-19
申请号：US16096283
申请日：2017-04-04
Inventor： Masaki Kontani , Takeshi Masutani , Shinji Kadoriku
IPC: H03K17/96 , G06F3/042 , G06F3/041 , H04M1/23 , H01H13/02 , F21V8/00 , G06F3/023 , G06F3/0362 , H04M1/22 , H01H13/52
Abstract: An input device includes: a switch to be switched by being pressed; a plurality of light sources including a first light source and a second light source; and a light guide that guides light emitted from each of the plurality of light sources. The light guide includes: an emission part that emits the light; a first light guide leg that is coupled to the emission part and guides first light to the emission part; and a second light guide leg that is coupled to the emission part and guides second light to the emission part. The emission part includes a first design that illuminates by reflecting the first light, and a second design that illuminates by reflecting the second light. The first light guide leg includes a first reflection surface that reflects the first light. The second light guide leg includes a second reflection surface that reflects the second light.
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公开(公告)号：US12194852B2
公开(公告)日：2025-01-14
申请号：US18300090
申请日：2023-04-13
Inventor： Masaki Kontani , Takeshi Masutani
Abstract: A display device includes: an outer cover with light transmission properties; a design sheet with light transmission properties provided on the outer cover; a cushion layer with light transmission properties provided on a back surface side of the outer cover; and a light source provided on a back surface side of the cushion layer. When viewed in a cross section, the cushion layer includes: a plurality of first concave portions that are in a convex shape in a first orientation and a concave shape on a side opposite to the convex shape; and a plurality of second concave portions that are connected to the first concave portions and are in a convex shape in a second orientation and a concave shape on a side opposite to the convex shape. The first concave portions and the second concave portions are alternately provided.
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公开(公告)号：US10397995B2
公开(公告)日：2019-08-27
申请号：US16081367
申请日：2016-11-16
Inventor： Masaki Kontani , Takeshi Masutani
Abstract: An input device includes a switch, light sources, and a light guide body. The switch is configured to switch between ON and OFF by being pressed. The light sources include a first light source and a second light source disposed at a position different from a position of the first light source. The light guide body guides a light emitted from the light sources in an opposite direction opposite from a pressing direction of the switch. The light guide body includes an output section, a first light guide leg section, and a second light guide leg section. The output section outputs the light emitted from the light sources in the opposite direction. The first light guide leg section is connected to the output section and guides the first light emitted by the first light source to the output section. The second light guide leg section is connected to the output section and guides the second light emitted by the second light source to output section. The output section includes a first design configured to emit light by reflecting the first light in the opposite direction and a second design configured to emit light by reflecting the second light in the opposite direction.
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公开(公告)号：US20190250321A1
公开(公告)日：2019-08-15
申请号：US16267478
申请日：2019-02-05
Inventor： Yuma SASAGAWA , Masaki Kontani
CPC classification number: G02B6/0031 , G02B6/0068 , G02B6/0095 , G06F3/0412 , G06F3/0414 , G09G3/22 , G09G2320/0233
Abstract: A display device includes: a first light source; a second light source; a light guide body including a reflector having a shape of a first design, guiding first light emitted by the first light source, and reflecting the first light by the reflector to display the first design; and a mask body including a light-transmissive portion having a shape of a second design and a light-blocking portion that is a portion other than the light-transmissive portion, transmitting, through the light-transmissive portion, second light emitted by the second light source, and blocking the second light by the light-blocking portion. The first design is displayed at a first display luminance and the second design is displayed at a second display luminance. The first display luminance and the second display luminance are substantially equalized by adjusting at least one of a luminance of the first light and a luminance of the second light.
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