WO2019244608A1 - Élément de vitre de véhicule et dispositif d'émission de lumière de vitre de véhicule - Google Patents

Élément de vitre de véhicule et dispositif d'émission de lumière de vitre de véhicule Download PDF

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Publication number
WO2019244608A1
WO2019244608A1 PCT/JP2019/021938 JP2019021938W WO2019244608A1 WO 2019244608 A1 WO2019244608 A1 WO 2019244608A1 JP 2019021938 W JP2019021938 W JP 2019021938W WO 2019244608 A1 WO2019244608 A1 WO 2019244608A1
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WO
WIPO (PCT)
Prior art keywords
light
vehicle
main surface
light source
vehicle window
Prior art date
Application number
PCT/JP2019/021938
Other languages
English (en)
Japanese (ja)
Inventor
佑果 山田
伸午 西山
一樹 松永
宏文 大畑
英行 小原
知柔 今林
Original Assignee
オムロン株式会社
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by オムロン株式会社 filed Critical オムロン株式会社
Publication of WO2019244608A1 publication Critical patent/WO2019244608A1/fr

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60Q—ARRANGEMENT OF SIGNALLING OR LIGHTING DEVICES, THE MOUNTING OR SUPPORTING THEREOF OR CIRCUITS THEREFOR, FOR VEHICLES IN GENERAL
    • B60Q1/00—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor
    • B60Q1/26—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to indicate the vehicle, or parts thereof, or to give signals, to other traffic
    • B60Q1/50—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to indicate the vehicle, or parts thereof, or to give signals, to other traffic for indicating other intentions or conditions, e.g. request for waiting or overtaking
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60Q—ARRANGEMENT OF SIGNALLING OR LIGHTING DEVICES, THE MOUNTING OR SUPPORTING THEREOF OR CIRCUITS THEREFOR, FOR VEHICLES IN GENERAL
    • B60Q1/00—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor
    • B60Q1/26—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to indicate the vehicle, or parts thereof, or to give signals, to other traffic
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60Q—ARRANGEMENT OF SIGNALLING OR LIGHTING DEVICES, THE MOUNTING OR SUPPORTING THEREOF OR CIRCUITS THEREFOR, FOR VEHICLES IN GENERAL
    • B60Q1/00—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor
    • B60Q1/26—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to indicate the vehicle, or parts thereof, or to give signals, to other traffic
    • B60Q1/34—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to indicate the vehicle, or parts thereof, or to give signals, to other traffic for indicating change of drive direction
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60Q—ARRANGEMENT OF SIGNALLING OR LIGHTING DEVICES, THE MOUNTING OR SUPPORTING THEREOF OR CIRCUITS THEREFOR, FOR VEHICLES IN GENERAL
    • B60Q1/00—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor
    • B60Q1/26—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to indicate the vehicle, or parts thereof, or to give signals, to other traffic
    • B60Q1/44—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to indicate the vehicle, or parts thereof, or to give signals, to other traffic for indicating braking action or preparation for braking, e.g. by detection of the foot approaching the brake pedal
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S43/00—Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights
    • F21S43/10—Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights characterised by the light source
    • F21S43/13—Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights characterised by the light source characterised by the type of light source
    • F21S43/14—Light emitting diodes [LED]
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S43/00—Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights
    • F21S43/20—Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights characterised by refractors, transparent cover plates, light guides or filters
    • F21S43/235—Light guides
    • F21S43/236—Light guides characterised by the shape of the light guide
    • F21S43/239—Light guides characterised by the shape of the light guide plate-shaped
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S43/00—Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights
    • F21S43/20—Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights characterised by refractors, transparent cover plates, light guides or filters
    • F21S43/235—Light guides
    • F21S43/242—Light guides characterised by the emission area
    • F21S43/245—Light guides characterised by the emission area emitting light from one or more of its major surfaces
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S43/00—Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights
    • F21S43/20—Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights characterised by refractors, transparent cover plates, light guides or filters
    • F21S43/235—Light guides
    • F21S43/249—Light guides with two or more light sources being coupled into the light guide

Definitions

  • the present invention relates to a vehicle window member and a vehicle window light emitting device using the vehicle window member.
  • Patent Literature 1 discloses an automotive head-up display that projects and displays information such as speed on a windshield of an automobile.
  • Non-Patent Document 1 a special laser beam is radiated from a projector installed in a vehicle onto a windshield made of a laminated glass having a self-luminous intermediate film containing a luminescent material, so that the irradiated portion emits light.
  • An automotive head-up display for displaying characters and images has been disclosed.
  • JP-A-5-139186 Japanese Unexamined Patent Publication
  • One embodiment of the present invention has been made in view of the above problem, and it is possible to install a light source without spatial limitation and realize light emission using light emitted from the light source. It is an object of the present invention to provide a vehicle window member that can be used and a vehicle window light emitting device using the vehicle window member.
  • a vehicle window member is a plate-shaped vehicle window member that is installed in a window of a vehicle and that allows light to pass while closing at least a part of the window.
  • An incident portion for causing light emitted from a light source to enter the inside, a light guiding portion for guiding the incident light along two main surfaces, and at least one of the two main surfaces for guiding the guided light.
  • an optical unique portion that changes the light guiding direction so that the light is emitted from the outside.
  • a light source can be provided without being restricted by space, and light emission using light emitted from the light source can be realized.
  • FIG. 1 is a partial perspective front view of a vehicle door including a vehicle window light emitting device according to an embodiment of the present invention.
  • A is a perspective view showing a schematic configuration of a vehicle window light emitting device according to an embodiment of the present invention, and
  • B is a transparent side view showing a schematic configuration of the vehicle window light emitting device of (A).
  • A) is a perspective view showing a schematic configuration of a vehicle window light emitting device according to another embodiment of the present invention, and (B) is a transparent side view showing a schematic configuration of the vehicle window light emitting device of (A). .
  • FIG. 7 is a perspective side view of a vehicle door including a vehicle window light emitting device according to another embodiment of the present invention. It is a block diagram showing the schematic structure of the in-vehicle system containing the vehicle window light emitting device concerning one embodiment of the present invention.
  • FIG. 7 is a block diagram illustrating a schematic configuration of a door control unit included in the vehicle-mounted system of FIG. 6.
  • FIG. 7 is a schematic diagram illustrating a situation in which a bicycle approaches a vehicle including the vehicle-mounted system of FIG.
  • FIG. 7 is a flowchart illustrating an operation procedure of the vehicle-mounted system in FIG. 6.
  • FIG. 7 is a schematic diagram illustrating a display example of the vehicle-mounted system in FIG. 6.
  • FIG. 7 is a schematic diagram illustrating another display example of the in-vehicle system in FIG. 6.
  • A) is a top view and a cross-sectional view of the optical singular part of FIG. 2
  • B) and (C) are a top view and a cross-sectional view showing a modification of the optical singular part of (A).
  • each embodiment and each modified example described below illustrate a vehicle window member and a vehicle window light emitting device for embodying the technical idea of the present invention, and the technical idea of the present invention is as follows.
  • the materials of the components and their shapes, structures, arrangements, etc. are not specified as follows.
  • the technical concept of the present invention can be variously modified within the technical scope defined by the claims described in the claims.
  • first and second in the following description are simply definitions (selections) for convenience of explanation, and for example, even if “first” and “second” are interchanged, the present invention The essence of is not changed.
  • the vehicle window light emitting device includes a vehicle window member 100 and a light source 500, and is provided on a window frame 2 of a vehicle door 1 of an automobile (vehicle).
  • FIG. 1 shows an example of a vehicle door for a front seat.
  • the vehicle window light emitting device is a side glass fitted into a window opening of a window frame of a vehicle door for a front seat.
  • the vehicle window light-emitting device moves up and down (y direction in FIG. 1) between a fully closed position and a fully opened position by driving a power window motor 40 provided in the window frame 2.
  • the fully closed position and the fully opened position indicate the position of the upper edge of the vehicle window member 100.
  • the vehicle window light emitting device is applied to a side glass fitted into a window opening of a window frame of a vehicle door for a front seat as an embodiment.
  • the vehicle window light emitting device is applicable to any of a side glass fitted into a window opening of a window frame of a vehicle door for a rear seat, a windshield of a vehicle, and a rear glass of a vehicle.
  • the material forming the vehicle window member 100 is glass.
  • the vehicle window member 100 is provided with a light source 500, a light incident end face 101 on which light from the light source 500 is incident, a first main surface 104-1 and a second main surface 104-1 opposite to the first main surface 104-1. And a surface 104-2.
  • the vehicle window member 100 guides the light incident from the light incident end surface 101 to the inside 102 of the vehicle window member 100 within a plane parallel to the first main surface 104-1 and the second main surface 104-2. .
  • the vehicle window member 100 is a light guide that guides light from the light source 500.
  • the first main surface 104-1 and the second main surface 104-2 reflect the light incident on the interior 102 of the vehicle window member 100 from the light incident end surface 101 to guide the light, and the light in the interior 102 of the vehicle window member 100 is reflected.
  • Light that has entered the interior 102 of the vehicle window member 100 from the light source 500 through the light incident end surface 101 repeats total reflection between the first main surface 104-1 and the second main surface 104-2.
  • the light that has entered the interior 102 of the vehicle window member 100 through the light incident end face 101 is confined in the interior 102 of the vehicle window member 100 and spreads out in a planar shape, and moves in a direction away from the light incident end face 101 to the vehicle window member 100. Propagating inside 102 of 100.
  • a plurality of first optical unique portions 103-1 arranged at positions different from each other are formed on the first main surface 104-1.
  • the first optical unique portion 103-1 can be formed by forming a concave portion on the first main surface 104-1.
  • On the second main surface 104-2 a plurality of second optical unique portions 103-2 arranged at positions different from each other are formed.
  • the second optical unique portion 103-2 can be formed.
  • the first optical unique portion 103-1 and the second optical unique portion 103-2 are formed two-dimensionally in the xy plane.
  • the first optical unique portion 103-1 and the second optical unique portion 103-2 are formed in a matrix in the xy plane.
  • FIG. 2A and 2B illustrate one first optical singular part 103-1 and two second optical singular parts 103-2, respectively, for easy viewing of the drawings. I have.
  • the position of the first optical singular part 103-1 shown in FIG. 2A corresponds to the position of the first optical singular part 103-1 shown in FIG. 2B. is not.
  • the positions of the two second optical unique portions 103-2 shown in FIG. 2A and the positions of the two second optical unique portions 103-2 shown in FIG. Respectively, do not correspond. It should be noted that in each of FIG. 2A and FIG. 2B, the position is merely a position selected for the sake of clarity of the drawing.
  • the first optical unique portion 103-1 reflects light from the light source 500 guided inside the vehicle window member 100 and emits the light from the second main surface 104-2. Specifically, light that has entered the interior 102 of the vehicle window member 100 from the light incident end face 101 is guided through the interior 102 of the vehicle window member 100, and a portion of the light is converted into the first optical unique portion 103-. Incident on 1.
  • the first optical singular part 103-1 reflects the incident light and emits it from the second principal surface 104-2. As described above, the first optical unique portion 103-1 reflects the light guided inside the vehicle window member 100 and emits the light from the second main surface 104-2 to the outside of the vehicle.
  • the second optical unique portion 103-2 reflects the light from the light source 500 guided inside the vehicle window member 100 and emits the light from the first main surface 104-1. Specifically, the light that has entered the interior 102 of the vehicle window member 100 from the light incident end face 101 is guided through the interior 102 of the vehicle window member 100, and a part of the light is converted to the second optical unique portion 103-. 2 is incident.
  • the second optical unique portion 103-2 reflects the incident light and emits the light from the first main surface 104-1. As described above, the second optical unique portion 103-2 reflects the light guided inside the vehicle window member 100 and emits the light from the first main surface 104-1 into the vehicle.
  • the second optical unique portion 103-2 By adjusting at least one of the number, shape, and arrangement of the first optical unique portions 103-1 on the first main surface 104-1, light emitted from the second main surface 104-2 to the outside of the vehicle is used.
  • an observer observing the second main surface 104-2 can observe a character, an image (a planar image or a stereoscopic image), and the like.
  • the first optical unique portion 103-1 disturbs the total reflection that is repeated between the first main surface 104-1 and the second main surface 104-2, and emits light from the second main surface 104-2.
  • Any material having a specific structure that causes an optical phenomenon capable of emitting light may be used.
  • the above-mentioned optical phenomena includes reflection, diffraction, polarization and the like. The same applies to the second optical unique portion 103-2.
  • the light source 500 is a light source that emits light toward the light incident end surface 101 of the vehicle window member 100.
  • the light source 500 is provided on the light incident end face 101, and light emitted from the light source 500 enters the inside 102 of the vehicle window member 100 from the light incident end face 101.
  • the light source 500 causes light substantially parallel to the y-axis direction to enter the interior 102 of the vehicle window member 100.
  • the light source 500 includes one or a plurality of LEDs (Light Emitting Diode).
  • a plurality of the plurality of LEDs for example, a red LED, a blue LED, and a green LED
  • the color of the light emitted from the plurality of LEDs is not particularly limited. Light of different colors may be used, or light of the same color may be emitted.
  • FIGS. 3A and 3B show a vehicle window member 200 as a modification of the vehicle window member 100.
  • the vehicle window member 200 includes a support member 210 and a light guide member 220 attached to one main surface of the support member 210.
  • the support member 210 functions as a side glass provided on the window frame 2 of the vehicle door 1 of the automobile.
  • the light guide member 220 may be attached to the entire surface of one main surface of the support member 210, or may be attached to a partial area of one main surface of the support member 210.
  • the light guide member 220 is formed of a transparent resin material having a relatively high refractive index.
  • the material forming the light guide member 220 may be, for example, a polycarbonate resin (PC), a polymethyl methacrylate resin (PMMA), an acrylic resin, or the like.
  • the light guide member 220 is provided with a light source 510, and a light incident end surface 221 on which light from the light source 510 is incident, a first main surface 224-1, and a second main surface 224-1 opposite to the first main surface 224-1. And a surface 224-2.
  • the light guide member 220 guides the light incident from the light incident end surface 221 to the inside 222 of the light guide member 220 in a plane parallel to the first main surface 224-1 and the second main surface 224-2. .
  • the light guide member 220 is a light guide that guides light from the light source 510.
  • the first main surface 224-1 and the second main surface 224-2 reflect the light that has entered the interior 222 of the light guide member 220 from the light incident end surface 221 to guide the light, and the light in the interior 222 of the light guide member 220.
  • Light that has entered the interior 222 of the light guide member 220 from the light source 510 through the light incident end surface 221 repeats total reflection between the first main surface 224-1 and the second main surface 224-2.
  • the light that has entered the inside 222 of the light guide member 220 through the light incident end surface 221 is confined in the inside 222 of the light guide member 220 and spreads in a planar shape, and moves in a direction away from the light incident end surface 221. Propagating inside 222 of 220.
  • first optical unique portions 223-1 On the first main surface 224-1, a plurality of first optical unique portions 223-1 arranged at positions different from each other are formed.
  • second main surface 224-2 On the second main surface 224-2, a plurality of second optical unique portions 223-2 arranged at positions different from each other are formed.
  • the first optical singular part 223-1 and the second optical singular part 223-2 are formed two-dimensionally in the xy plane.
  • the first optical unique part 223-1 and the second optical unique part 223-2 are formed in a matrix in the xy plane.
  • 3 (A) and 3 (B) one first optical unique part 223-1 and two second optical unique parts 223-2 are shown for clarity of the drawings. I have. Note that the position of the first optical unique portion 223-1 shown in FIG.
  • FIGS. 3A and 3B corresponds to the position of the first optical unique portion 223-1 shown in FIG. 3B. is not. Further, the positions of the two second optical unique parts 223-2 shown in FIG. 3A and the positions of the two second optical unique parts 223-2 shown in FIG. , Respectively, do not correspond. It should be noted that each of FIGS. 3A and 3B is merely a position selected for clarity of the drawing.
  • the first optical unique part 223-1 reflects the light from the light source 510 guided inside the light guide member 220 and emits the light from the second main surface 224-2. Specifically, the light that has entered the inside 222 of the light guide member 220 from the light incident end face 221 is guided through the inside 222 of the light guide member 220, and a part of the light is converted into the first optical singular part 223- Incident on 1.
  • the first optical singular part 223-1 reflects the incident light and emits it from the second main surface 224-2.
  • the first optical unique part 223-1 reflects the light guided inside 222 of the light guide member 220 and emits the light from the second main surface 224-2.
  • the second optical unique portion 223-2 reflects the light from the light source 510 guided inside the light guide member 220 and emits the light from the first main surface 224-1. Specifically, the light that has entered the inside 222 of the light guide member 220 from the light incident end face 221 is guided through the inside 222 of the light guide member 220, and a part of the light is converted into the second optical singular portion 223-2. 2 is incident.
  • the second optical singular part 223-2 reflects the incident light and emits it from the first main surface 224-1. As described above, the second optical unique portion 223-2 reflects the light guided inside the light guide member 220 and emits the light from the first main surface 224-1.
  • the support member 210 has a first main surface 211-1 and a second main surface 211-2 opposite to the first main surface 211-1. Light emitted from the first main surface 224-1 of the light guide member 220 is incident on the first main surface 211-1 of the support member 210. The support member 210 transmits the light incident on the first main surface 211-1 and emits the light from the second main surface 211-2.
  • Light source 510 has the same configuration and function as light source 500, and thus description thereof will not be repeated here.
  • FIGS. 4A and 4B show a vehicle window member 300 as a modification of the vehicle window member 100.
  • the vehicle window member 300 includes a support member 310, a first light guide member 320 attached to one main surface of the support member 310, and a second light guide member attached to the other main surface of the support member 310. 330.
  • the support member 310 functions as a side glass provided on the window frame 2 of the vehicle door 1 of the automobile.
  • the first and second light guide members 320 and 330 may be attached to the entire surface of each main surface of the support member 310, or may be attached to a partial area of each main surface of the support member 310. .
  • the first light guide member 320 and the second light guide member 330 are formed of a transparent resin material having a relatively high refractive index.
  • the material forming the first light guide member 320 and the second light guide member 330 may be, for example, a polycarbonate resin (PC), a polymethyl methacrylate resin (PMMA), an acrylic resin, or the like.
  • the first light guide member 320 is provided with a light source 520, and has a light incident end surface 321 on which light from the light source 520 is incident, a first main surface 324-1, and a first main surface 324-1 on the opposite side. And two main surfaces 324-2.
  • the first light guide member 320 converts the light incident from the light incident end surface 321 into an interior 322 of the first light guide member 320 within a plane parallel to the first main surface 324-1 and the second main surface 324-2. Light.
  • the first light guide member 320 is a light guide that guides light from the light source 520.
  • the first main surface 324-1 and the second main surface 324-2 reflect the light that has entered the interior 322 of the first light guide member 320 from the light incident end surface 321 to guide the light.
  • the light in the inside 322 is spread in a plane. Light that has entered the inside 322 of the first light guide member 320 from the light source 520 through the light incident end surface 321 repeats total reflection between the first main surface 324-1 and the second main surface 324-2.
  • the light that has entered the inside 322 of the first light guide member 320 through the light incident end surface 321 is confined in the inside 322 of the first light guide member 320 and spreads in a planar shape, and moves in a direction away from the light incident end surface 321. And the inside of the first light guide member 320.
  • FIGS. 4A and 4B each show two second optical unique portions 323 for the sake of clarity of the drawings. Note that the positions of the two second optical unique portions 323 illustrated in FIG. 4A correspond to the positions of the two second optical unique portions 323 illustrated in FIG. It does not do. It should be noted that each of FIGS. 4A and 4B is merely a position selected for the sake of clarity of the drawing.
  • the second optical unique part 323 reflects the light from the light source 520, which is guided inside the first light guiding member 320, and emits the light from the first main surface 324-1. Specifically, light that has entered the inside 322 of the first light guide member 320 from the light incident end face 321 is guided through the inside 322 of the first light guide member 320, and a part of the light is converted into the second optical guide member 320. The light enters the unique part 323.
  • the second optical unique portion 323 reflects the incident light and emits the light from the first main surface 324-1. As described above, the second optical unique portion 323 reflects the light guided through the inside 322 of the first light guide member 320 and emits the light from the first main surface 324-1.
  • the second light guide member 330 is provided with a light source 530, and has a light incident end surface 331 on which light from the light source 530 is incident, a first main surface 334-1, and a second light guide end opposite to the first main surface 334-1. And two main surfaces 334-2.
  • the second light guide member 330 converts the light incident from the light incident end surface 331 into the inside 332 of the second light guide member 330 in a plane parallel to the first main surface 334-1 and the second main surface 334-2. Light.
  • the second light guide member 330 is a light guide that guides light from the light source 520.
  • the first main surface 334-1 and the second main surface 334-2 reflect the light that has entered the interior 332 of the second light guide member 330 from the light incident end surface 331 to guide the light, and the second light guide member 330
  • the light of the inside 332 is spread in a plane.
  • Light that has entered the interior 332 of the second light guide member 330 from the light source 530 through the light incident end surface 331 repeats total reflection between the first main surface 334-1 and the second main surface 334-2.
  • the light that has entered the inside 332 of the second light guide member 330 through the light incident end surface 331 is confined in the inside 332 of the second light guide member 330 and spreads in a planar manner, in a direction away from the light incident end surface 331. And the inside of the second light guide member 330.
  • FIGS. 4A and 4B each show one first optical unique portion 333 for easy viewing of the drawings. Note that the position of one first optical unique part 333 shown in FIG. 4A corresponds to the position of one first optical unique part 333 shown in FIG. is not. It should be noted that each of FIGS. 4A and 4B is merely a position selected for the sake of clarity of the drawing.
  • the first optical unique part 333 reflects the light from the light source 530 guided inside the second light guide member 330 and emits the light from the second main surface 334-2. Specifically, light that has entered the inside 332 of the second light guide member 330 from the light incident end surface 331 is guided through the inside 332 of the second light guide member 330, and a part of the light is The light enters the singular part 333.
  • the first optical singular part 333 reflects the incident light and emits it from the second main surface 334-2. As described above, the first optical unique portion 333 reflects the light guided inside the second light guide member 330 and emits the light from the second main surface 334-2.
  • Light source 520 and light source 530 have the same configuration and function as light source 500, and thus description thereof will not be repeated here.
  • FIG. 5 shows a vehicle window member 100a as a modification of the vehicle window member 100.
  • the vehicle window member 100a has a first main surface 104-1a and a second main surface 104-2a opposite to the first main surface 104-1a.
  • the vehicle window member 100a is different from the vehicle window member 100 in that light from the light source 500a is incident on the inside of the vehicle window member 100a through a light incident surface 104-1ax which is a part of the first main surface 104-1a.
  • the light source 500a is arranged to face the light incident surface 104-1ax, and light emitted from the light source 500a is incident on the light incident surface 104-1ax.
  • the vehicle window member 100a moves up and down by driving a power window motor 40 provided in the window frame 2.
  • the window frame 2 is provided with a light source motor 3 for vertically moving the light source 500a up and down. The user does not see the light source motor 3 visually.
  • the light source motor 3 moves the light source 500a up and down in accordance with the up and down movement of the vehicle window member 100a.
  • the light source motor 3 is arranged so that when the vehicle window member 100a moves up and down in the vertical direction, light from the light source 500a enters the vehicle window member 100a through the light incident surface 104-1ax. The light source 500a is moved up and down in conjunction with the elevation.
  • the light source 500a may be attached to the light incident surface 104-1ax, and the light source 500a may be fixed to the light incident surface 104-1ax. In this case, when the vehicle window member 100a moves up and down in the vertical direction, the light source 500a also moves up and down in the vertical direction at the same time.
  • the reflection member 101a is provided inside the vehicle window member 100a.
  • the reflecting member 101a is arranged near the light incident surface 104-1ax so as to reflect light incident through the light incident surface 104-1ax.
  • FIG. 6 is a block diagram illustrating a schematic configuration of a vehicle-mounted system including the vehicle window light emitting device according to the second embodiment of the present invention.
  • FIG. 7 is a block diagram showing a schematic configuration of a door control unit included in the vehicle-mounted system of FIG.
  • FIG. 8 is a schematic diagram illustrating a situation where a bicycle approaches a vehicle including the vehicle-mounted system of FIG. 6 from behind.
  • the in-vehicle system 10 includes a door control unit 11, an in-vehicle monitoring unit 12, a meter unit 13, a body control unit 14, an out-of-vehicle monitoring unit 15, an in-vehicle camera 16, , Door knob electrostatic sensor 17, peripheral monitoring camera 18, rear side radar 19, LAN (Local Area Network) 20, vehicle window member 300, light source (in-vehicle light source) 520, and light source (out-vehicle light source) 530.
  • LAN Local Area Network
  • the door control unit 11 controls a door knob electrostatic sensor 17 provided on the front vehicle door 1 of FIG. 1 and a light source 520 and a light source 530 included in a vehicle window light emitting device provided on the vehicle door 1.
  • the in-vehicle monitoring unit 12 controls an in-vehicle camera 16 that captures an image of the interior of the automobile 400.
  • the meter unit 13 controls in-vehicle meters provided in the automobile 400, and the body control unit 14 controls electric components such as lights and wipers provided in the automobile 400.
  • the outside monitoring unit 15 controls the surrounding monitoring camera 18 for photographing the periphery of the car 400 and the rear side radar for detecting the rear side moving body of the car 400.
  • the LAN 20 connects the door control unit 11, the in-vehicle monitoring unit 12, the meter unit 13, the body control unit 14, and the out-of-vehicle monitoring unit 15 to each other, and enables the exchange of signals and information therebetween.
  • the door control unit 11 includes an integrated control unit 31, a memory 32, a sensor control determination unit 33, a power window control unit 34, a communication control unit 35, and a drive unit 36. .
  • the integrated control unit 31 controls each component of the door control unit 11.
  • the memory 32 stores information and data used in various processes of the integrated control unit 31.
  • the sensor control determination unit 33 determines whether the vehicle door 1 is opened or closed based on the detection result of the door knob electrostatic sensor 17.
  • the power window control unit 34 controls driving of the power window motor 40.
  • the communication control unit 35 controls the exchange of signals and information with the outside of the door control unit 11 via the LAN 20.
  • the drive unit 36 drives the light source 520 inside the vehicle and the light source 530 outside the vehicle.
  • FIG. 9 is a flowchart showing an operation procedure of the vehicle-mounted system of FIG.
  • the in-vehicle system 10 determines that the vehicle speed of the automobile 400 is zero and the shift position is parking (P) based on the output signals of the meter unit 13 and / or the body control unit 14 (hereinafter, “vehicle speed 0 and shift P ”) (YES in S1). If the vehicle speed 0and shift P cannot be detected (NO in S1), the in-vehicle system 10 repeats S1 until the vehicle speed 0and shift P can be detected.
  • the in-vehicle system 10 turns on the in-vehicle camera 16 for detecting the intention of the occupant 402 of the automobile 400 to get off (S2).
  • the occupant 402 in the vehicle is photographed using the vehicle camera 16.
  • the in-vehicle monitoring unit 12 detects the intention of the occupant 402 to get off from the operation of the occupant 402 captured by the in-vehicle camera 16.
  • the doorknob electrostatic sensor 17 may be turned on in place of the in-vehicle camera 16 to detect the intention of the occupant 402 to get off.
  • the sensor control determination unit 33 of the door control unit 11 detects the occupant 402's intention to get off.
  • the in-vehicle camera 16 and the door knob electrostatic sensor 17 may be turned on, or one of them may be always turned on and the other may be turned on in S2. From the viewpoint of reducing power consumption, it is preferable to turn off the in-vehicle camera 16 after detecting the intention of the occupant 402 to get off in S4 described below.
  • the surrounding monitoring camera 18 and the rear side radar 19, which are sensors outside the vehicle for detecting a moving object outside the vehicle, are turned on (S3).
  • the in-vehicle system 10 detects the intention of the occupant 402 to get off using the in-vehicle monitoring unit 12 and / or the sensor control determination unit 33 (YES in S4), and uses the periphery monitoring camera 18 and the rear side radar 19 to When a moving body / approaching object around the automobile 400 is detected (YES in S5), the driving unit 36 drives the in-vehicle light source 520 and the out-of-vehicle light source 530.
  • light from the interior light source 520 is emitted from the first main surface 324-1 of the first light guide member 320 of the vehicle window member 300, and light from the exterior light source 530 is The light exits from the second main surface 334-2 of the second light guide member 330 (S6).
  • the in-vehicle light source 520 and the out-of-vehicle light source 530 preferably include a red LED, a blue LED, and a green LED, respectively.
  • the driving unit 36 drives the red LEDs of the in-vehicle light source 520 and the out-of-vehicle light source 530, and emits red light from the first main surface 324-1 of the first light guide member 320 toward the interior of the automobile 400.
  • red light is emitted from the second main surface 334-2 of the second light guide member 330 to the outside of the automobile 400.
  • red light which is a warning color reminiscent of danger
  • a warning can be given to the occupant 402 in the vehicle and the occupant of the bicycle 403 outside the vehicle. Specifically, the occupant 402 in the vehicle is warned that the bicycle 403 is approaching the periphery 401 of the vehicle 400, and the occupant 402 of the bicycle 403 outside the vehicle is about to get off. Can be warned.
  • the drive section 36 intermittently drives the red LEDs of the in-vehicle light source 520 and the out-of-vehicle light source 530, and outputs the light emitted from the first main surface 324-1 of the first light guide member 320 and the second light. It is preferable that the light emitted from the second main surface 334-2 of the light guide member 330 be flickered. In this way, the drive unit 36 can enhance the warning effect by intermittently driving the red LED and blinking the emitted light.
  • the in-vehicle system 10 If the in-vehicle system 10 cannot detect the occupant 402's intention to get off (NO in S4), the in-vehicle system 10 repeats S4 until the occupant 402 can detect the intention to get off.
  • the in-vehicle light source 520 and the out-vehicle light source 530 are driven using the driving unit 36.
  • the interior light source 520 and the exterior light source 530 By driving the interior light source 520 and the exterior light source 530, light from the interior light source 520 is emitted from the first main surface 324-1 of the first light guide member 320 of the vehicle window member 300, and light from the exterior light source 530 is The light exits from the second main surface 334-2 of the second light guide member 330 (S7).
  • the driving unit 36 drives the respective blue LEDs of the in-vehicle light source 520 and the out-of-vehicle light source 530, and emits blue light from the first main surface 324-1 of the first light guide member 320 toward the interior of the automobile 400. It is preferable that blue light is emitted from the second main surface 334-2 of the second light guide member 330 to the outside of the automobile 400.
  • the occupant 402 opens the vehicle door 1 and gets off (S8), and after getting off, closes the vehicle door 1 (S9).
  • the in-vehicle system 10 instructs the drive unit 36 to turn off the in-vehicle light source 520 and the out-vehicle light source 530, and the drive unit 36 stops driving the in-vehicle light source 520 and the out-vehicle light source 530 (S10). Then, the in-vehicle system 10 turns off the surrounding monitoring camera 18 and the rear side radar 19, which are sensors outside the vehicle (S11), and turns off the camera 16 inside the vehicle (S12).
  • the in-vehicle system 10 detects the occupant 402's intention to exit using the in-vehicle monitoring unit 12 and / or the sensor control determination unit 33, and based on the output signal of the meter unit 13, the vehicle speed of the automobile 400 is equal to or higher than a predetermined speed (for example, 5 km / h or more).
  • the in-vehicle system 10 drives the in-vehicle light source 520 using the driving unit 36.
  • the driving unit 36 intermittently drives the red LED of the in-vehicle light source 520 and emits red light from the first main surface 324-1 of the first light guide member 320 toward the inside of the car 400 while blinking.
  • the drive unit 36 intermittently drives the red LED and emits red light toward the inside of the vehicle while blinking the red light to warn the occupant 402 in the vehicle that the vehicle 400 is running. Can be.
  • first main surface 324-1 of the first light guide member 320 instead of illuminating the entire first main surface 324-1 of the first light guide member 320, a part of the first main surface 324-1 may be illuminated (tell tail lighting).
  • the in-vehicle system 10 detects the occupant 402's intention to exit using the in-vehicle monitoring unit 12 and / or the sensor control determination unit 33, and based on the output signal of the body control unit 14, sets the shift position of the automobile 400 to parking (P). Is detected.
  • the in-vehicle system 10 drives the in-vehicle light source 520 using the driving unit 36.
  • the driving unit 36 intermittently drives the red LED of the in-vehicle light source 520 and emits red light from the first main surface 324-1 of the first light guide member 320 toward the inside of the car 400 while blinking.
  • the driving unit 36 intermittently drives the red LED and emits the red light toward the inside of the vehicle while blinking the red light, so that the shift position of the vehicle 400 is not the parking (P) for the occupant 402 in the vehicle. You can warn that.
  • first main surface 324-1 of the first light guide member 320 instead of illuminating the entire first main surface 324-1 of the first light guide member 320, a part of the first main surface 324-1 may be illuminated (tell tail lighting).
  • the in-vehicle system 10 detects the occupant 402's intention to exit using the in-vehicle monitoring unit 12 and / or the sensor control determination unit 33, and based on the output signal of the body control unit 14, the headlight / interior light of the automobile 400 It detects that it is ON.
  • the in-vehicle system 10 drives the in-vehicle light source 520 using the driving unit 36.
  • the driving unit 36 intermittently drives the red LED of the in-vehicle light source 520 and emits red light from the first main surface 324-1 of the first light guide member 320 toward the inside of the car 400 while blinking.
  • the driving unit 36 intermittently drives the red LED and emits the red light toward the inside of the vehicle while blinking the red light, thereby instructing the occupant 402 in the vehicle that the headlight / interior light of the automobile 400 is ON. You can warn that there is.
  • first main surface 324-1 of the first light guide member 320 instead of illuminating the entire first main surface 324-1 of the first light guide member 320, a part of the first main surface 324-1 may be illuminated (tell tail lighting).
  • the in-vehicle system 10 detects the occupant 402's intention to exit using the in-vehicle monitoring unit 12 and / or the sensor control determination unit 33, and the parking brake of the automobile 400 is OFF based on the output signal of the body control unit 14. Is detected.
  • the in-vehicle system 10 drives the in-vehicle light source 520 using the driving unit 36.
  • the driving unit 36 intermittently drives the in-vehicle light source 520 and emits yellow light from the first main surface 324-1 of the first light guide member 320 toward the inside of the automobile 400 while blinking.
  • the driving unit 36 intermittently drives the in-vehicle light source 520 and emits yellow light toward the inside of the vehicle while blinking the light, thereby instructing the occupant 402 in the vehicle that the parking brake of the automobile 400 is OFF. Can be warned.
  • the color of the emitted light is yellow in the fourth modification, but it may be red.
  • the driving unit 36 intermittently switches the red LED of the exterior light source 530. It is preferable to drive and blink the red light emitted from the second main surface 334-2 of the second light guide member 330.
  • the driving unit 36 intermittently drives the red LED of the outside light source 530, and the second light guide member. It is preferable that the red light emitted from the second main surface 334-2 of 330 be blinked. This assumes a situation in which the infant is left with the occupant.
  • FIG. 10 is a schematic diagram showing a display example of the in-vehicle system in FIG.
  • light emitted from the first main surface 324-1 of the first light guide member 320 is emitted toward the observer 601 in the vehicle.
  • the light emitted from the second main surface 334-2 of the second light guide member 330 is emitted toward the observer 602 outside the vehicle.
  • the observer 601 inside the vehicle observes the side glass 701 (first main surface 324-1) that emits red light 701a
  • the observer 602 outside the vehicle gives the observer 602 the side glass 702 (second main surface 334) that emits blue light 702a. -2) can be observed.
  • light emission can be performed as a warning and / or notification for the observer 601 inside the vehicle and / or the observer 602 outside the vehicle.
  • FIG. 11 is a schematic diagram showing another display example of the in-vehicle system in FIG.
  • light emitted from the second main surface 334-2 of the second light guide member 330 of the vehicle window member 300 on the outside (right) side is directed to the observer 801 on the outside (right) side. It is emitted toward.
  • Light emitted from the second main surface 334-2 of the second light guide member 330 of the vehicle window member 300 on the outside (left) side is emitted toward a viewer 802 on the outside (left) side.
  • the observer 801 on the outside (right) side observes the side glass 901 (the second main surface 334-2) displaying the shape 901a meaning a blinker.
  • the observer 802 on the (left) side can observe the side glass 902 (the second main surface 334-2) displaying the shape 902a meaning a blinker.
  • light emission as a brake lamp and / or a blinker can be performed for the observers 801 and 802 outside the vehicle.
  • red light may be emitted from the rear glass instead of the side glass 901 and the side glass 902. Since the brake lamp can be emitted toward the rear of the vehicle, the observer behind the vehicle can be more effectively warned that the vehicle has stopped.
  • FIG. 12A is a top view and a cross-sectional view of the first and second optical unique portions in FIG. 2, and FIGS. 12B and 12C are first and second optical components in FIG. 12A. It is a top view and a sectional view showing a modification of a peculiar part.
  • the first and second optical unique portions 103-1 and 103-2 have a hemispherical cross-sectional shape.
  • the cross-sectional shape may be a substantially isosceles triangle having two inclined surfaces, or as shown in FIG. 12C, the cross-sectional shape may be a substantially right triangle having one inclined surface.
  • the first main surface 104-1 and the second main surface 104-2 are formed such that the inclined surface is located on the light incident end surface 101 side.
  • a vehicle window member is a plate-shaped vehicle window member that is installed in a window of a vehicle and passes light while closing at least a partial area of the window.
  • An optical unique part that changes the light guiding direction.
  • light emission from the main surface can be realized by disposing the light source close to the incident portion. For this reason, a light source can be installed without being restricted by space, and light emission using light emitted from the light source can be realized.
  • a vehicle window light emitting device includes the vehicle window member and the light source.
  • a vehicle window light emitting device including the vehicle window member can be realized.
  • the light source is disposed in a window frame of a vehicle.
  • the design is less likely to be restricted.
  • the “notification” includes an advertisement, a status display such as “during business” and “getting on and off”, a fixed message to a following vehicle, a company name and a logo of a company car, and the like.
  • the light source is arranged so that an emission direction of the light source substantially coincides with a direction along the main surface.
  • the light emitted from the light source is incident on the light guide in a direction substantially coinciding with the direction along the main surface, so that the utilization efficiency of the light emitted from the light source can be improved.
  • the light source is disposed so that an emission direction of the light source is substantially orthogonal to a direction along the main surface, and the light guide unit is configured to emit light emitted from the light source, which is incident through the incident unit. It is preferable to further include a reflecting portion that reflects light in a direction along the main surface.
  • the light emitted from the light source is reflected by the reflection portion in a direction along the main surface
  • the light incident on the light guide portion travels along the main surface inside the light guide portion.
  • the light is guided in a direction substantially coincident with the direction.
  • 1, 1a ⁇ vehicle door 100, 100a, 200, 300 ⁇ vehicle window member, 101, 221, 321, 331 ⁇ light incident end face, 101a ⁇ reflective member, 103-1, 223-1, 333 ⁇ first optical unique portion, 103- 2, 223-2, 323 ⁇ second optical singular part, 104-1, 104-1a, 211-1, 224-1, 324-1, 334-1 ⁇ first main surface, 104-1ax ⁇ light incident surface, 104 -2, 104-2a, 211-2, 224-2, 324-2, 334-2 ⁇ second main surface, 210, 310 ⁇ support member, 220 ⁇ light guide member, 320 ⁇ first light guide member, 330 ⁇ second light guide Member, 500, 500a, 510, 520, 530 ° light source

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Optics & Photonics (AREA)
  • Lighting Device Outwards From Vehicle And Optical Signal (AREA)

Abstract

L'invention concerne un élément de vitre de véhicule (100) comprenant une première partie singulière optique (103-1) et une seconde partie singulière optique (103-2) qui changent la direction de la lumière guidée de telle sorte que, lorsque la lumière est émise à partir d'une source de lumière (500) et est incidente à travers une face d'extrémité d'incidence de lumière (101) et que la lumière incidente est guidée le long d'une première surface principale (104-1) et d'une seconde surface principale (104-2), la direction de la lumière guidée soit changée de façon à être émise à partir de la première surface principale (104-1) et/ou de la seconde surface principale (104-2) vers l'extérieur.
PCT/JP2019/021938 2018-06-21 2019-06-03 Élément de vitre de véhicule et dispositif d'émission de lumière de vitre de véhicule WO2019244608A1 (fr)

Applications Claiming Priority (2)

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JP2018118179A JP2019217976A (ja) 2018-06-21 2018-06-21 車両窓部材及び車両窓発光装置
JP2018-118179 2018-06-21

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2023051570A1 (fr) * 2021-09-30 2023-04-06 Saint-Gobain Glass France Ensemble verre, verre à vitre de véhicule et véhicule

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH11198720A (ja) * 1998-01-14 1999-07-27 Harness Syst Tech Res Ltd 表示装置
JP2008174132A (ja) * 2007-01-19 2008-07-31 Ichikoh Ind Ltd 車両用室内照明装置
JP2017174726A (ja) * 2016-03-25 2017-09-28 スタンレー電気株式会社 車両用灯具付きウィンドウパネル及び車両用リアパネル

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH11198720A (ja) * 1998-01-14 1999-07-27 Harness Syst Tech Res Ltd 表示装置
JP2008174132A (ja) * 2007-01-19 2008-07-31 Ichikoh Ind Ltd 車両用室内照明装置
JP2017174726A (ja) * 2016-03-25 2017-09-28 スタンレー電気株式会社 車両用灯具付きウィンドウパネル及び車両用リアパネル

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2023051570A1 (fr) * 2021-09-30 2023-04-06 Saint-Gobain Glass France Ensemble verre, verre à vitre de véhicule et véhicule

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