WO2023145432A1 - Lampe de communication de véhicule - Google Patents

Lampe de communication de véhicule Download PDF

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Publication number
WO2023145432A1
WO2023145432A1 PCT/JP2023/000439 JP2023000439W WO2023145432A1 WO 2023145432 A1 WO2023145432 A1 WO 2023145432A1 JP 2023000439 W JP2023000439 W JP 2023000439W WO 2023145432 A1 WO2023145432 A1 WO 2023145432A1
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WIPO (PCT)
Prior art keywords
light source
source unit
time
light
lighting
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PCT/JP2023/000439
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English (en)
Japanese (ja)
Inventor
裕一 柴田
穂菜美 藤井
耕平 村田
公紀 日角
Original Assignee
株式会社小糸製作所
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Application filed by 株式会社小糸製作所 filed Critical 株式会社小糸製作所
Publication of WO2023145432A1 publication Critical patent/WO2023145432A1/fr

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    • 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
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V23/00—Arrangement of electric circuit elements in or on lighting devices
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B20/00—Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps
    • Y02B20/40—Control techniques providing energy savings, e.g. smart controller or presence detection

Definitions

  • the present disclosure relates to vehicle communication lamps.
  • Patent Document 1 discloses a vehicle lamp in which a plurality of light-emitting elements are arranged along the curved surface of a light-transmitting cover that is curved in three-dimensional directions.
  • An object of the present disclosure is to provide a vehicle communication lamp capable of reliably making traffic participants feel predetermined information such as gratitude.
  • a vehicle communication lamp includes: a light source unit including at least one light source; and a lighting control section that controls the light source unit to turn on the light source unit while changing the brightness of the light source unit.
  • the lighting control section turns on the light source unit while changing the brightness of the light source unit. Traffic participants are not annoyed by the lighting of such vehicle communication lamps, so that the communication lamps according to the above-described configuration can reliably perceive predetermined information such as gratitude to traffic participants.
  • a vehicle communication lamp includes: A vehicle communication lamp that is either a turn signal lamp, a brake lamp, or a backup lamp, a light source unit including at least one light source; a lighting control unit that controls the light source unit; The lighting control unit controls the light source unit in a first lighting mode for exhibiting the original function of any one of a turn signal lamp, a brake lamp, and a backup lamp, and a second lighting mode different from the first lighting mode. is controllable and At least one of the manner in which the light source unit is turned on and the manner in which the light source unit is turned off differs between the first lighting mode and the second lighting mode.
  • the lighting control unit operates in the first lighting mode for exhibiting the original function of any one of the turn signal lamp, the brake lamp, and the backup lamp, and the second lighting mode different from the first lighting mode. , can control the light source unit. At least one of the manner in which the light source unit is turned on and the manner in which the light source unit is turned off differs between the first lighting mode and the second lighting mode. Therefore, when light is emitted from the light source unit in the second lighting mode, it is possible to reliably make the traffic participant feel predetermined information such as gratitude.
  • FIG. 1 is a perspective view of a vehicle equipped with a vehicle system according to an embodiment of the disclosure.
  • FIG. 2 is a block diagram of the vehicle system according to this embodiment.
  • FIG. 3 is a diagram illustrating a vehicle communication lamp.
  • FIG. 4 is a diagram illustrating changes in the lighting state of the light source unit.
  • FIG. 5 is a diagram illustrating changes in the lighting state of the light source unit.
  • FIG. 6 is a diagram illustrating changes in the lighting state of the light source unit.
  • FIG. 7 is a diagram illustrating changes in the lighting state of the light source unit.
  • FIG. 8 is a diagram illustrating changes in the lighting state of the light source unit.
  • FIG. 9 is a diagram illustrating changes in the lighting state of the light source unit.
  • FIG. 1 is a perspective view of a vehicle equipped with a vehicle system according to an embodiment of the disclosure.
  • FIG. 2 is a block diagram of the vehicle system according to this embodiment.
  • FIG. 3 is a diagram illustrating a
  • FIG. 10 is a diagram illustrating changes in the lighting state of the light source unit.
  • FIG. 11 is a diagram illustrating the vehicle communication lamp in the off state.
  • FIG. 12 is a diagram illustrating the vehicle communication lamp in a lighting state.
  • FIG. 13 is a diagram illustrating the vehicle communication lamp in a lighting state.
  • FIG. 14 is a diagram illustrating the vehicle communication lamp in a lighting state.
  • FIG. 15 is a diagram illustrating the vehicle communication lamp in a fully lit state.
  • FIG. 16 is a diagram illustrating changes in the lighting state of the light source unit.
  • FIG. 17 is a diagram illustrating changes in the lighting state of the light source unit.
  • FIG. 18 is a diagram illustrating changes in the lighting state of the light source unit.
  • the terms “horizontal direction”, “vertical direction”, and “front-back direction” may be referred to as appropriate. These directions are relative directions set for the vehicle 1 shown in FIG.
  • the “left-right direction” is a direction including the “left direction” and the “right direction”, and is also the vehicle width direction of the vehicle 1 .
  • the “vertical direction” is a direction that includes the “upward direction” and the “downward direction”.
  • “Fore-and-aft direction” is a direction that includes "forward direction” and "rearward direction.”
  • the front-rear direction is a direction perpendicular to the left-right direction and the up-down direction. 1 indicates the upward direction.
  • Symbol D indicates the downward direction.
  • Symbol F indicates the forward direction.
  • Symbol B indicates the rearward direction.
  • Symbol L indicates the left direction.
  • the symbol R indicates the right direction.
  • FIG. 1 is a perspective view of a vehicle 1 equipped with a vehicle system 2 (see FIG. 2).
  • FIG. 2 is a block diagram of the vehicle system 2.
  • the vehicle 1 is, for example, a vehicle (automobile) that can run in manual operation mode and/or automatic operation mode.
  • the vehicle system 2 includes a vehicle control unit 3, a thank you switch 4, a sensor 5, a camera 6, a radar 7, an HMI (Human Machine Interface) 8, a GPS (Global Positioning System) 9, a wireless communication unit 10, a storage device 11, a steering actuator 12, a steering device 13, a brake actuator 14, a brake device 15, an accelerator actuator 16, an accelerator device 17, and an environment information acquisition unit. 18 and a vehicle communication lamp 20 .
  • the vehicle communication lamp 20 includes a light source unit 21 and a lighting controller 22 .
  • the vehicle control unit 3 is configured to control travel of the vehicle 1.
  • the vehicle control unit 3 is composed of, for example, at least one electronic control unit (ECU: Electronic Control Unit).
  • the electronic control unit includes a computer system (eg, SoC (System on a Chip), etc.) including one or more processors and one or more memories, and an electronic circuit composed of active elements and passive elements such as transistors.
  • the processor includes, for example, at least one of a CPU (Central Processing Unit), an MPU (Micro Processing Unit), a GPU (Graphics Processing Unit), and a TPU (Tensor Processing Unit).
  • the CPU may be composed of multiple CPU cores.
  • a GPU may consist of multiple GPU cores.
  • the memory includes ROM (Read Only Memory) and RAM (Random Access Memory).
  • a vehicle control program may be stored in the ROM.
  • the vehicle control program may include an artificial intelligence (AI) program for automated driving.
  • the RAM may temporarily store a vehicle control program, vehicle control data, and/or surrounding environment information indicating the surrounding environment of the vehicle.
  • the processor may be configured to load a program designated from various vehicle control programs stored in the ROM onto the RAM and execute various processes in cooperation with the RAM.
  • the computer system may also be configured by a non-von Neumann computer such as ASIC (Application Specific Integrated Circuit) or FPGA (Field-Programmable Gate Array).
  • the computer system may be configured by a combination of von Neumann computers and non-von Neumann computers.
  • the thank you switch 4 is a switch that is pressed when you want to express your gratitude to other traffic participants (other vehicles, pedestrians, etc.). For example, when the user presses the thank you switch 4 to express gratitude to other traffic participants, an emotional expression signal is generated. Note that the user is, for example, a driver, a passenger, or the like of the vehicle 1 . The generated emotional expression signal is transmitted to the vehicle control section 3 .
  • An emotional expression signal is a signal that indicates that emotional information related to feelings such as gratitude is conveyed to traffic participants.
  • the emotion expression signal changes the operation mode of the light source unit 21 from a normal operation mode (an example of the first lighting mode) that keeps lighting the light source unit 21 without changing to an emotional expression different from the normal operation mode.
  • This is a signal for switching to the output mode (an example of the second lighting mode).
  • the normal operation mode is, for example, a mode for exhibiting the original function of any one of the turn signal lamp, the brake lamp, and the backup lamp.
  • this thank-you switch 4 is preferably a switch different from a so-called hazard switch. These switches are preferably provided separately because the situation in which one wants to press the hazard switch and the situation in which one wishes to express gratitude are different.
  • the sensor 5 includes at least one of an acceleration sensor, speed sensor and gyro sensor.
  • the sensor 5 is configured to detect the running state of the vehicle 1 and output running state information to the vehicle control unit 3 .
  • the sensors 5 include a seating sensor that detects whether the driver is sitting in the driver's seat, a face direction sensor that detects the direction of the driver's face, an external weather sensor that detects external weather conditions, and a sensor that detects whether or not there is a person inside the vehicle.
  • a human sensor or the like for detection may be further provided.
  • the camera 6 is, for example, a camera including an imaging device such as a CCD (Charge-Coupled Device) or CMOS (Complementary MOS).
  • the camera 6 detects surrounding environment information indicating the surrounding environment of the vehicle 1 and transmits the surrounding environment information to the vehicle control unit 3 .
  • the radar 7 includes at least one of millimeter wave radar, microwave radar and LiDAR unit.
  • the LiDAR unit detects surrounding environment information based on point cloud data representing the surrounding environment of the vehicle 1 and transmits the surrounding environment information to the vehicle control unit 3 .
  • the HMI 8 is composed of an input section that receives input operations from the driver, and an output section that outputs driving information and the like of the vehicle 1 to the driver.
  • the input unit includes a steering wheel, an accelerator pedal, a brake pedal, an operation mode switch for switching the operation mode of the vehicle 1, and the like.
  • the output unit is a display device (for example, HUD, etc.) that displays various types of travel information.
  • the HUD is configured to display travel information of the vehicle 1 on the front window 60 (see FIG. 1).
  • the GPS 9 is configured to acquire current position information of the vehicle 1 and output the acquired current position information to the vehicle control section 3 .
  • the wireless communication unit 10 receives information about other vehicles around the vehicle 1 (for example, travel information) from other vehicles, and transmits information about the vehicle 1 (for example, travel information) to the other vehicles. configured (vehicle-to-vehicle communication). Further, the wireless communication unit 10 is configured to receive infrastructure information from infrastructure equipment such as traffic lights and marker lights, and to transmit travel information of the vehicle 1 to the infrastructure equipment (road-to-vehicle communication). In addition, the wireless communication unit 10 receives information about the pedestrian from a portable electronic device (smartphone, tablet, wearable device, etc.) carried by the pedestrian, and transmits the own vehicle running information of the vehicle 1 to the portable electronic device. (pedestrian-to-vehicle communication). The vehicle 1 may directly communicate with other vehicles, infrastructure equipment, or portable electronic devices in an ad-hoc mode, or may communicate via an access point. Furthermore, the vehicle 1 may communicate with other vehicles, infrastructure equipment, or portable electronic devices via a communication network such as the Internet.
  • a communication network such as the Internet.
  • the storage device 11 is an external storage device such as a hard disk drive (HDD) or SSD (Solid State Drive).
  • the storage device 11 may store two-dimensional or three-dimensional map information and/or a vehicle control program.
  • the three-dimensional map information may be composed of point cloud data.
  • the storage device 11 is configured to output map information and a vehicle control program to the vehicle control section 3 in response to a request from the vehicle control section 3 .
  • the map information and vehicle control program may be updated via the wireless communication unit 10 and the communication network.
  • the vehicle control unit 3 When the vehicle 1 runs in the automatic driving mode, the vehicle control unit 3 generates at least one of a steering control signal, an accelerator control signal, and a brake control signal based on the running state information, the surrounding environment information, the current position information, the map information, and the like. Automatically generate one.
  • the steering actuator 12 is configured to receive a steering control signal from the vehicle control unit 3 and control the steering device 13 based on the received steering control signal.
  • the brake actuator 14 is configured to receive a brake control signal from the vehicle control unit 3 and control the brake device 15 based on the received brake control signal.
  • the accelerator actuator 16 is configured to receive an accelerator control signal from the vehicle control unit 3 and control the accelerator device 17 based on the received accelerator control signal.
  • the operation mode consists of an automatic operation mode and a manual operation mode.
  • the automatic driving mode consists of a fully automatic driving mode, an advanced driving assistance mode, and a driving assistance mode.
  • the vehicle system 2 automatically performs all driving control including steering control, brake control and accelerator control, and the driver is not in a state to drive the vehicle 1 .
  • the vehicle system 2 automatically performs all driving control including steering control, brake control and accelerator control, and the driver does not drive the vehicle 1 although the vehicle 1 is ready to be driven.
  • the driving assistance mode the vehicle system 2 automatically performs part of driving control out of steering control, brake control, and accelerator control, and the driver drives the vehicle 1 under the driving assistance of the vehicle system 2.
  • the manual driving mode the vehicle system 2 does not automatically perform travel control, and the driver drives the vehicle 1 without the driving assistance of the vehicle system 2 .
  • the driving mode of the vehicle 1 may be switched by operating a driving mode changeover switch.
  • the vehicle control unit 3 changes the driving mode of the vehicle 1 into four driving modes (fully automatic driving mode, advanced driving assistance mode, driving assistance mode, manual driving mode) according to the driver's operation of the driving mode switch. ).
  • the driving mode of the vehicle 1 is automatically set based on information about drivable sections in which the autonomous vehicle can travel, prohibited sections in which the autonomous vehicle is prohibited from traveling, or information about external weather conditions. may be switched.
  • the vehicle control unit 3 switches the driving mode of the vehicle 1 based on these pieces of information.
  • the driving mode of the vehicle 1 may be automatically switched by using a seat sensor, face direction sensor, or the like. In this case, the vehicle control unit 3 switches the driving mode of the vehicle 1 based on the output signals from the seating sensor and face direction sensor.
  • the vehicle control unit 3 when the vehicle 1 runs in manual operation mode, the vehicle control unit 3 generates a steering control signal, an accelerator control signal, and a brake control signal according to the driver's manual operation of the accelerator pedal, brake pedal, and steering wheel.
  • the steering control signal, the accelerator control signal and the brake control signal are generated by the manual operation of the driver, so that the driving of the vehicle 1 is controlled by the driver.
  • the environment information acquisition unit 18 acquires environment information from the external device 30 .
  • the external device 30 is, for example, a smart phone carried by the user, an information terminal device such as a car navigation device mounted on the vehicle 1, or the like.
  • the environment information is, for example, user mood information about the user's mood, weather information about the weather around the vehicle 1, vehicle environment information about the environment inside the vehicle, and the like.
  • the in-vehicle environment information includes in-vehicle temperature information related to the temperature in the vehicle, in-vehicle humidity information related to the humidity in the vehicle, in-vehicle music information related to music being played in the vehicle, and the like.
  • the environment information acquisition unit 18 transmits the environment information acquired from the external device 30 to the lighting control unit 22 via the vehicle control unit 3 .
  • the vehicle communication lamp 20 is a lamp for transmitting predetermined information such as gratitude to traffic participants by turning on and off.
  • the vehicle communication lamps 20 are, for example, turn signal lamps, brake lamps, and backup lamps.
  • the vehicle communication lamp 20 is capable of blinking and lighting light with a wavelength of 500 nm or more and x of 0.6 or less in the xy chromaticity diagram to express gratitude.
  • light with a wavelength of 500 nm or more and x of 0.6 or less in the xy chromaticity diagram gives a warm feeling of gratitude to the traffic participants and gives a warning or the like. It can be recognized by traffic participants as a warm color that does not contain strong emotions.
  • the turn signal lamp functions as a vehicle communication lamp 20.
  • the vehicle 1 includes, as vehicle communication lamps 20, a left front communication lamp 20L and a right front communication lamp 20R.
  • the left front communication lamp 20L is arranged in the lamp chamber of the left head lamp 200L.
  • the left front communication lamp 20L may be provided separately from the left head lamp 200L.
  • the left front communication lamp 20L may be arranged on the roof 100A of the vehicle 1 or may be arranged on the bumper of the vehicle 1 .
  • the right front communication lamp 20R is arranged in the lamp chamber of the right head lamp 200R. However, the right front communication lamp 20R may be provided separately from the right head lamp 200R. Moreover, the right front communication lamp 20R may be arranged on the roof 100A of the vehicle 1 or may be arranged on the bumper of the vehicle 1 .
  • the light source unit 21 can be configured by an LED (Light Emitting Diode) element or an LD (Laser Diode) element.
  • the light source unit 21 includes a polychromatic light source capable of emitting light of multiple colors.
  • a polychromatic light source is a light source having two or more different emission hues.
  • the brightness of the light source unit 21 is proportional to the magnitude of the current flowing through the light source included in the light source unit 21 . Therefore, the larger the current flowing through the light source included in the light source unit 21, the brighter the light source unit 21 becomes.
  • the light source unit 21 may include at least a first light source that emits first light and a second light source that emits second light having a color different from that of the first light. good.
  • the polychromatic light source is a so-called RGB light source.
  • the light source unit 21 includes, for example, a plurality of LEDs that emit three colors of RGB (red, green, and blue), and a lens for emitting the light emitted by the LEDs to the outside of the vehicle 1 .
  • the lens can be configured, for example, as a condenser lens that projects the light emitted by the LED as a parallel light beam.
  • the light source unit 21 can emit light of any color, but in this embodiment, it emits light of amber, pink, green, yellow, or the like.
  • the amber color is a region consisting of a long wavelength region of yellow and a short wavelength region of yellow and red in JIS standard Z8110, and a yellow region and a short wavelength region of yellow and red according to JIS standard Z9101 of safety colors. It is a color that corresponds to the chromaticity range of the
  • the lighting control unit 22 may be composed of the same processor and memory as the vehicle control unit 3.
  • the lighting control section 22 controls the operation of the light source unit 21 .
  • the lighting controller 22 controls the light source unit 21, for example, so that the light source unit 21 is turned on and off at predetermined time intervals.
  • the said predetermined time interval is set between 500 milliseconds and 5000 milliseconds.
  • the predetermined time interval is particularly preferably set between 1000 ms and 2000 ms.
  • the time required for the light source unit 21 to transition from the off state to the fully lit state is within 200 milliseconds.
  • the full lighting state refers to a state in which the light source unit 21 is at its brightest.
  • the emotion expression mode the time required for the light source unit 21 to transition from the off state to the fully lit state will be described later.
  • the lighting control unit 22 receives, via the vehicle control unit 3, the emotion expression signal generated by pressing the thank you switch 4. Upon receiving the emotional expression signal, the lighting control section 22 lights the light source unit 21 in the emotional expression mode. That is, the lighting control unit 22 turns on the light source unit 21 when a signal (emotional expression signal) for conveying emotional information to the traffic participant is input.
  • the illumination control section 22 can control the light source unit 21 so as to change the color of the light emitted from the light source unit 21 over time. Also, the illumination control section 22 can control the light source unit 21 so as to change the brightness of the light source unit 21 over time. The illumination control unit 22 changes the brightness of the light source unit 21 by, for example, changing the current value flowing through the light source included in the light source unit 21 . The illumination control unit 22 controls the light source unit 21 so as to emit light of a color according to the environment information acquired from the external device 30 communicably connected to the vehicle communication lamp 20 in the normal operation mode. can also
  • the light source unit 21 has one light source 210 in this embodiment.
  • Light source 210 is an RGB light source, as described above.
  • the user of the vehicle 1 presses the thank-you switch 4 in order to express gratitude to the traffic participants in the vicinity of the vehicle 1 .
  • the colors included in the light emitted from the light source unit 21 are red and green.
  • the ratio of red light and green light contained in the light emitted from the light source unit 21 changes over time.
  • the horizontal axis represents time
  • the vertical axis represents the brightness of the light source unit 21.
  • Vehicle control unit 3 transmits the received emotional expression signal to lighting control unit 22 .
  • the lighting control unit 22 switches the light source unit 21 from the normal operation mode to the emotional expression mode based on the received emotional expression signal.
  • the light source unit 21 repeats turning on and off at a predetermined cycle in the emotion expression mode.
  • the predetermined period is 1000 milliseconds.
  • time t0 is the time when the user of the vehicle 1 presses the thank-you switch 4 .
  • Time t1 is a time 1000 milliseconds after time t0.
  • the light emitted from the light source unit 21 at time t0 includes red light and green light, and the brightness of the red light and the brightness of the green light are the same. Therefore, the color of the light emitted from the light source unit 21 at time t0 is yellow.
  • the lighting control unit 22 controls the light source unit 21 so that the brightness of the red light contained in the light emitted from the light source unit 21 is constant.
  • the illumination control unit 22 controls the light source unit 21 so that the green light contained in the light emitted from the light source unit 21 gradually becomes brighter as time passes from time t0 to time t1. do. Therefore, the light emitted from the light source unit 21 gradually changes from yellow to green (yellow-green) as time passes.
  • the green in this specification includes not only perfect green but also greenish colors such as yellowish green. Also, the light source unit 21 gradually becomes brighter as time passes.
  • the light source unit 21 is in a full lighting state.
  • the state transition of the light source unit 21 after time t1 is the same as the state transition of the light source unit 21 from time t0 to time t1.
  • the vehicle communication lamp 20 having the above configuration, light can be emitted to the outside while changing the color of the light emitted from the light source unit 21 over time.
  • Existing vehicle lamps such as brake lamps and turn signal lamps do not change the light color.
  • the traffic participant since the vehicle communication lamp 20 changes the color of the light, the traffic participant can understand that the vehicle communication lamp 20 is turned on with an intention different from the intention to turn on the brake lamp or the turn signal lamp. I notice it right away. Therefore, according to the vehicle communication lamp 20, it is possible to reliably make the traffic participants feel the predetermined information such as gratitude.
  • the vehicle communication lamp 20 having the above configuration, the brightness of the light source unit 21 changes with time. Therefore, the traffic participant is likely to notice that the vehicle communication lamp 20 is turned on with an intention different from that of turning on the brake lamp or the turn signal lamp. Therefore, according to the vehicle communication lamp 20, it is possible to reliably make the traffic participants feel the predetermined information such as gratitude.
  • one cycle of lighting and extinguishing of the light source unit 21 is a time interval between 500 milliseconds and 5000 milliseconds (1000 milliseconds in this embodiment).
  • the time interval is an appropriate time interval for turning on/off the vehicle communication lamp 20 . Therefore, according to the vehicle communication lamp 20, predetermined information such as gratitude can be transmitted without making traffic participants feel uncomfortable.
  • the light source unit 21 emits green (yellow green) light, which is an effective color for conveying predetermined information such as gratitude to traffic participants. do. Therefore, according to the vehicle communication lamp 20, it is possible to reliably make the traffic participants feel the predetermined information such as gratitude.
  • the lighting control section 22 operates the light source unit 21 in the normal operation mode and in accordance with the emotion expression signal input from the user. It can be controlled with modes. Also, in the emotion expression mode, the illumination control section 22 controls the light source unit 21 so as to change the color of the light emitted from the light source unit 21 over time. That is, according to the vehicle communication lamp 20, the color of the light emitted from the light source unit 21 changes with time in the emotion expression mode. Therefore, according to the vehicle communication lamp 20 having the above configuration, a traffic participant immediately notices that the vehicle communication lamp 20 is turned on with an intention different from the intention to turn on the brake lamp or the turn signal lamp. . Therefore, according to the vehicle communication lamp 20, it is easy for the traffic participants to surely feel the predetermined information such as gratitude.
  • the illumination control unit 22 controls the light source unit 21 so as to emit light of a color corresponding to the environment information acquired from the external device 30 in the normal operation mode. Control. Therefore, the vehicle communication lamp 20 can emit appropriate light from the light source unit 21 according to the environmental information.
  • the light source unit 21 is in a lighting state from time t10 to time t15.
  • the R light source emitting red light is in a full lighting state.
  • the red light contained in the light emitted from the light source unit 21 is brighter than the green light contained in the light emitted from the light source unit 21 . Therefore, at time t10, the color of light emitted from light source unit 21 is amber.
  • the illumination control unit 22 controls the light source unit 21 so that the red light included in the light emitted from the light source unit 21 gradually darkens.
  • the illumination control section 22 controls the light source unit 21 so that the green light contained in the light emitted from the light source unit 21 gradually becomes brighter.
  • the brightness of the red light and the brightness of the green light included in the light emitted from the light source unit 21 become equal. Therefore, at time t11, the color of the light emitted from the light source unit 21 becomes yellow.
  • the light emitted from the light source unit 21 gradually changes from yellow to green (yellow green).
  • the G light source emitting green light is in a full lighting state.
  • the illumination control unit 22 controls the light source unit 21 so that both the red light and the green light included in the light emitted from the light source unit 21 gradually darken. Therefore, the color of the light emitted from the light source unit 21 is green (yellow green) from time t12 to time t13. At time t13, the light emitted from the light source unit 21 no longer contains red light. Therefore, at time t13, the color of light emitted from light source unit 21 is green.
  • the illumination control unit 22 controls the light source unit 21 so that the red light included in the light emitted from the light source unit 21 gradually becomes brighter.
  • the lighting control section 22 controls the light source unit 21 so that the green light contained in the light emitted from the light source unit 21 gradually darkens.
  • the light emitted from the light source unit 21 gradually changes from green to yellow from time t13 to time t14.
  • the color of the light emitted from the light source unit 21 is yellow.
  • the illumination control unit 22 controls the light source unit 21 so that both the red light and the green light included in the light emitted from the light source unit 21 gradually darken. As a result, the light emitted from the light source unit 21 gradually darkens. Then, at time t15, the light source unit 21 is turned off.
  • the light source unit 21 remains in the off state from time t15 to time t16.
  • the state transition of the light source unit 21 after time t16 is the same as the state transition of the light source unit 21 from time t10 to time t16.
  • this embodiment can also achieve the same effects as the first embodiment of the first embodiment.
  • the light source unit 21 has amber and green (yellow-green) colors, which are effective colors for conveying predetermined information such as gratitude to traffic participants. emit light. Therefore, according to the vehicle communication lamp 20, it is possible to reliably make the traffic participants feel the predetermined information such as gratitude.
  • the light source unit 21 is in a lighting state from time t20 to time t22.
  • the R light source emitting red light is in a full lighting state.
  • the red light contained in the light emitted from the light source unit 21 is brighter than the green light contained in the light emitted from the light source unit 21 . Therefore, at time t20, the color of light emitted from light source unit 21 is amber.
  • the illumination control unit 22 controls the light source unit 21 so that the red light contained in the light emitted from the light source unit 21 gradually darkens as time passes.
  • the illumination control section 22 controls the light source unit 21 so that the brightness of the green light contained in the light emitted from the light source unit 21 does not change.
  • the brightness of the red light and the brightness of the green light included in the light emitted from the light source unit 21 become equal. Therefore, from time t20 to time t21, the color of the light emitted from the light source unit 21 changes from amber to yellow.
  • the color of light emitted from the light source unit 21 changes from yellow to green.
  • the light source unit 21 is turned off.
  • the light source unit 21 remains in the off state from time t22 to time t23.
  • the state transition of the light source unit 21 after time t23 is the same as the state transition of the light source unit 21 from time t20 to time t23.
  • this embodiment can also achieve the same effects as the first embodiment of the first embodiment.
  • the same reference numerals are assigned to the same configurations as those of the first embodiment of the first embodiment, and the descriptions of overlapping descriptions are omitted as appropriate.
  • the light emitted from the light source unit 21 includes three colors (red, green, and blue), the period of one cycle is 2000 milliseconds, and the lighting state of the light source unit 21 changes. It is different from the first example of the first embodiment in that the appearance is different. Also in this embodiment, it is assumed that the user of the vehicle 1 presses the thank-you switch 4 at time t30 to express gratitude to the traffic participants in the vicinity of the vehicle 1 .
  • the light source unit 21 is in a lighting state from time t30 to time t34.
  • the light emitted from the light source unit 21 contains red light and green light, but does not contain blue light.
  • the brightness of red light and green light included in the light emitted from the light source unit 21 does not change. Further, the light emitted from the light source unit 21 does not contain blue light from time t30 to time t31. Therefore, the color of the light emitted from the light source unit 21 is yellow from time t30 to time t31. From time t30 to time t31, the R light source emitting red light and the G light source emitting green light are in a full lighting state.
  • the lighting control unit 22 controls the light source unit 21 so that the red light and the green light included in the light emitted from the light source unit 21 gradually become darker as time passes. to control.
  • the illumination control unit 22 controls the light source unit 21 so that the blue light contained in the light emitted from the light source unit 21 gradually becomes brighter as time passes. Control. Therefore, from time t31 to time t32, the color of the light emitted from the light source unit 21 changes from yellow to white. At time t32, the B light source emitting blue light is in a full lighting state.
  • the lighting control unit 22 controls the red light, green light, and blue light contained in the light emitted from the light source unit 21 to gradually darken as time passes. , controls the light source unit 21 . Therefore, from time t32 to time t33, the light source unit 21 gradually darkens as time passes. At time t33, the light emitted from the light source unit 21 does not contain blue light. Therefore, at time t33, the color of the light emitted from the light source unit 21 is yellow.
  • the brightness of the red light and green light contained in the light emitted from the light source unit 21 gradually darkens as time passes. Blue light is not included in the light emitted from the light source unit 21 from time t33 to time t34. Therefore, the color of the light emitted from the light source unit 21 is yellow from time t33 to time t34.
  • the light source unit 21 gradually darkens as time passes from time t33 to time t34. At time t34, the light source unit 21 is turned off.
  • the light source unit 21 remains in the off state from time t34 to time t35.
  • the state transition of the light source unit 21 after time t35 is the same as the state transition of the light source unit 21 from time t30 to time t35.
  • this embodiment can also achieve the same effects as the first embodiment of the first embodiment.
  • the light source unit 21 is configured to emit pink light in a fully lit state (for example, in the RGB light sources, the R light source is slightly more than the G light source and the B light source).
  • the first embodiment differs from the first example in that it is configured) and that the state of change in the lighting state of the light source unit 21 is different. Also in this embodiment, it is assumed that the user of vehicle 1 presses thank-you switch 4 at time t40 to express gratitude to the traffic participants in the vicinity of vehicle 1.
  • the light source unit 21 is turned off from time t40 to time t41. Therefore, the brightness of the light source unit 21 does not change from time t40 to time t41.
  • the light source unit 21 is in a lighting state from time t41 to time t42. Note that the light source unit 21 is in a full lighting state from time t41 to time t42. Therefore, the brightness of the light source unit 21 does not change from time t41 to time t42.
  • the illumination control unit 22 controls the light source unit 21 so that pink light is emitted from the light source unit 21.
  • the illumination control section 22 controls the light source unit 21 so that the light source unit 21 is turned off.
  • the state transition of the light source unit 21 after time t42 is the same as the state transition of the light source unit 21 from time t40 to time t42.
  • the inventors conducted a sensory test on the color of light that makes drivers and pedestrians feel warm.
  • the contents of the sensory test are the wavelength of the light emitted from the light source unit 21, and the wavelength and x, y when the color of the light is represented by x and y in the xy chromaticity diagram. This is a test to see if people tend to have warm feelings when
  • the inventors realized that if the light has a wavelength of 500 nm or more and x is 0.6 or less in the xy chromaticity diagram, it is possible to reliably convey gratitude to traffic participants. rice field.
  • the average value of the wavelength of pink light based on the wavelength of the pink light spectrum and the light intensity at that wavelength is 500 nm or more. Bring warm feelings to traffic participants.
  • the vehicle communication lamp 20 having the above configuration since x in the xy chromaticity diagram is 0.6 or less, traffic participants can recognize the color as warm. Furthermore, since x in the xy chromaticity diagram is 0.6 or less, the vehicle communication lamp 20 makes traffic participants aware that the intention is different from lighting the existing brake lamps and turn signal lamps. be able to. Therefore, according to the vehicle communication lamp 20, it is possible to reliably make the traffic participants feel gratitude.
  • the light source unit 21 emits pink light, which is an effective color for conveying predetermined information such as gratitude to traffic participants. Therefore, according to the vehicle communication lamp 20, it is possible to reliably make the traffic participants feel the predetermined information such as gratitude.
  • the light source unit 21 gradually brightens from time t50 to time t51. Between time t50 and time t51, the amount of increase per unit time of the current flowing through the light source included in the light source unit 21 gradually increases as time elapses.
  • the light source unit 21 is in a full lighting state. Between time t51 and time t52, the illumination control section 22 controls the light source unit 21 so that the light source unit 21 is turned off.
  • the state transition of the light source unit 21 after time t52 is the same as the state transition of the light source unit 21 from time t50 to time t52.
  • a vehicle communication lamp 20A according to the second embodiment differs from the vehicle communication lamp 20 according to the first embodiment in that a light source unit 21A (see FIGS. 11 to 15) is provided instead of the light source unit 21. .
  • the light source unit 21A includes four light sources 211A-214A.
  • Light sources 211A-214A are, for example, RGB light sources.
  • amber light is emitted from the light sources 211A to 214A. Therefore, amber light is emitted from the light source unit 21A.
  • the lighting controller 22 controls the light source unit 21A so that the number of light sources that are turned on increases over time.
  • the lighting controller 22 controls the light source unit 21A so that the brightness of the light source unit 21A changes over time.
  • the horizontal axis (the axis extending horizontally in FIG. 10) represents time
  • the vertical axis (the axis extending vertically in FIG. 10) represents the brightness of the light source unit 21A.
  • the user of vehicle 1 presses thank-you switch 4 at time t ⁇ b>60 in order to express gratitude to traffic participants near vehicle 1 .
  • the lighting control section 22 normally operates the light source unit 21A based on the received emotional expression signal. Switch from mode to emotional expression mode. Note that one cycle in this embodiment is the time from time t60 to time t69. The time from time t60 to time t69 is 2000 milliseconds.
  • the illumination control section 22 controls the light source unit 21A so that the light emitted from the light source unit 21A becomes brighter step by step over time.
  • the light emitted from the light source unit 21A continues to become brighter step by step.
  • the brightness of the light source unit 21A changes stepwise while alternately repeating a state in which the brightness of the light source unit 21A does not change and a state in which the brightness of the light source unit 21A changes.
  • the current value flowing through the light source unit 21A increases every time about 400 milliseconds elapse.
  • the time interval from when the current value flowing through the light source unit 21A increases to when the current value flowing through the light source unit 21A next increases is not limited to approximately 400 milliseconds.
  • the current value flowing through the light source unit 21A may increase every time about 333 milliseconds elapse.
  • the light source unit 21A includes five light sources.
  • the amount of increase in the value of the current flowing through the light source unit 21A is constant, but it does not have to be constant.
  • the lighting state of the light source unit 21A is in the off state from time t60 to time t61.
  • no light is emitted from all the light sources 211A to 214A of the light source unit 21A between time t60 and time t61.
  • the lighting state of the light source unit 21A is the state illustrated in FIG. 12 from time t61 to time t63.
  • the illumination control unit 22 controls the light source unit 21A so that the light emitted from the light source unit 21A becomes brighter in stages as time passes. do. Further, from time t62 to time t63, the illumination control section 22 controls the light source unit 21A so that the brightness of the light emitted from the light source unit 21A does not change.
  • the lighting state of the light source unit 21A is the state illustrated in FIG. 13 from time t63 to time t65.
  • the illumination control unit 22 controls the light source unit 21A so that the light emitted from the light source unit 21A becomes brighter in stages as time passes. do. Further, from time t64 to time t65, the illumination control section 22 controls the light source unit 21A so that the brightness of the light emitted from the light source unit 21A does not change.
  • the lighting state of the light source unit 21A is the state illustrated in FIG.
  • the illumination control unit 22 controls the light source unit 21A so that the light emitted from the light source unit 21A becomes brighter in stages as time passes. do. Further, from time t66 to time t67, the illumination control section 22 controls the light source unit 21A so that the brightness of the light emitted from the light source unit 21A does not change.
  • the lighting state of the light source unit 21A is the state illustrated in FIG. 15 from time t67 to time t69.
  • the illumination control unit 22 controls the light source unit 21A so that the light emitted from the light source unit 21A becomes brighter in stages as time passes. do. Further, from time t68 to time t69, the illumination control section 22 controls the light source unit 21A so that the brightness of the light emitted from the light source unit 21A does not change. Therefore, the lighting state of the light source unit 21A is the full lighting state from time t68 to time t69. In the emotional expression mode, the time required for the light source unit 21A to transition from the off state to the fully lit state (that is, the time from time t60 to time t68) is approximately 1700 milliseconds.
  • the illumination control section 22 controls the light source unit 21A so that the light source unit 21A is turned off.
  • the state transition of the light source unit 21A after time t69 is the same as the state transition of the light source unit 21A from time t60 to time t69.
  • the light source unit 21A is lit while changing the brightness of the light source unit 21A. Traffic participants are not annoyed by the lighting of the vehicle communication lamp 20A. Therefore, the vehicle communication lamp 20A can surely make the traffic participants feel predetermined information such as gratitude.
  • the lighting control section 22 lights the light source unit 21A in the normal operation mode or the emotion expression mode.
  • the lighting of the light source unit 21A differs between the normal operation mode and the emotion expression mode
  • the traffic participant can easily recognize that an acknowledgment, etc. has been conveyed. Therefore, according to the vehicle communication lamp 20A, it is possible to reliably make the traffic participants feel the predetermined information such as gratitude.
  • the light source unit 21A lights up when the emotional expression signal, which is a signal for conveying emotional information, is input. Therefore, according to the vehicle communication lamp 20A, it is possible to make the traffic participants reliably perceive predetermined information such as gratitude to the traffic participants.
  • the brightness of the light source unit 21A changes in stages, so that the traffic participants can easily recognize that the predetermined information such as gratitude is being transmitted. be able to.
  • the light source unit 21A alternately repeats a state in which the brightness of the light source unit 21A does not change and a state in which the brightness of the light source unit 21A changes. brightness changes step by step. Therefore, traffic participants are not surprised by the lighting of the vehicle communication lamp 20A. Therefore, the traffic participants can easily recognize that the predetermined information such as gratitude is transmitted.
  • the light emitted from the light source unit 21A continues to become brighter step by step, so that the traffic participants can easily recognize that the predetermined information such as gratitude has been transmitted. can be recognized.
  • one cycle of lighting and extinguishing of the light source unit is a time interval between 500 milliseconds and 5000 milliseconds (2000 milliseconds in this embodiment).
  • the time interval is an appropriate time interval for turning on/off the vehicle communication lamp. Therefore, according to the vehicle communication lamp 20A, predetermined information such as gratitude can be transmitted without making traffic participants feel uncomfortable.
  • the illumination control unit 22 has a normal operation mode for exhibiting the original function of any one of the turn signal lamp, the brake lamp, and the backup lamp, and the normal operation mode.
  • the light source unit 21A can be controlled in a different emotional expression mode. In the normal operation mode and the emotion expression mode, the lighting of the light source unit 21A is different. Therefore, according to the vehicle communication lamp 20A, when the light is emitted from the light source unit 21A in the emotion expression mode, it is possible to make the traffic participant reliably perceive predetermined information such as gratitude.
  • the time required for the light source unit 21A to transition from the off state to the full lighting state in the normal operation mode is Shorter than the time required to transition to the full lighting state. Therefore, the transition of the lighting state in the emotional expression mode appears to the traffic participants to be more gradual than the transition of the lighting state in the normal operation mode. Therefore, when the light is emitted from the light source unit 21A in the emotion expression mode, the traffic participant can surely perceive predetermined information such as gratitude.
  • the same reference numerals are assigned to the same configurations as those of the first embodiment of the second embodiment, and the descriptions of overlapping descriptions are omitted as appropriate.
  • the color of the light emitted from the light source unit 21A is green (yellow-green), the time of one cycle is 1000 milliseconds, and the lighting state of the light source unit 21A changes. It differs from the first example of the second embodiment in different points.
  • the light source unit 21A shall include one or more light sources.
  • the light sources are, for example, RGB light sources.
  • the light source unit 21A is in the off state.
  • the illumination control unit 22 controls the light source unit 21A so that the green light and the red light included in the light emitted from the light source unit 21A gradually become brighter as time passes. to control.
  • the amount of increase per unit time in the brightness of the green light included in the light emitted from the light source unit 21A is the amount per unit time of the brightness of the red light included in the light emitted from the light source unit 21A. greater than the increment. Therefore, the color of the light emitted from the light source unit 21A is green (yellow green) from time t70 to time t71.
  • the light source unit 21A is in a full lighting state. Therefore, the time required for the light source unit 21A to transition from the off state to the full lighting state in the emotion expression mode is 500 milliseconds.
  • the illumination control unit 22 controls the light source unit 21A so that both the green light and the red light included in the light emitted from the light source unit 21A gradually darken as time passes. to control.
  • the amount of decrease per unit time in the brightness of green light included in the light emitted from the light source unit 21A is the amount of decrease per unit time in the brightness of red light included in the light emitted from the light source unit 21A. bigger than From time t71 to time t72, the color of the light emitted from the light source unit 21A is green (yellow green).
  • the light source unit 21A turns off.
  • the state transition of the light source unit 21A after time t72 is the same as the state transition of the light source unit 21A from time t70 to time t72.
  • the lighting of the light source units 21 and 21A differs between the normal operation mode and the emotion expression mode, but the present disclosure is not limited to this.
  • the light source units 21 and 21A are extinguished, or the light source units 21 and 21A are lit and the light source units 21 and 21A are extinguished. can be different.
  • the light source unit 21 has one light source 210.
  • the first light source that emits the first light (the light source 210 drawn by the solid line in FIG. 3) and the second and a second light source (light source 211 drawn with a dashed line in FIG. 3) that emits a second light of a color different from the color of the first light.
  • the illumination control unit 22 controls the light source unit 21 so as to change the brightness of at least one of the first light source (light source 210) and the second light source (light source 211) over time. Realize the change of the lighting state.
  • the brightness of at least one of the first light source (light source 210) that emits the first light and the second light source (light source 211) that emits the second light changes with time, Participants tend to notice that the vehicle communication lamps 20 are turned on with a different intention than the brake lamps and turn signal lamps. Therefore, according to such a vehicle communication lamp 20, it is possible to reliably make the traffic participants feel predetermined information such as gratitude.
  • the light source unit 21 emits amber, green (yellow-green), and yellow light. For example, pink light is emitted. You may
  • the light source unit 21A includes four light sources 211A to 214A, but may include one or more light sources. That is, the number of light sources included in the light source unit 21A is not limited to four.
  • the light source unit 21A is turned off at time t60 and becomes brighter as time passes, but the present disclosure is not limited to this.
  • the light source unit 21A is in a full lighting state at time t60, and the light emitted from the light source unit 21A may become darker as time passes.
  • the time required for the light source unit 21A to transition from the off state to the full lighting state in the normal operation mode is the time required for the light source unit 21A to transition from the off state to the full lighting state in the emotion expression mode.
  • the present disclosure is not limited to this.
  • the time required for the light source unit 21A to transition from the fully lit state to the extinguished state in the normal operation mode is shorter than the time required for the light source unit 21A to transition from the fully lit state to the extinguished state in the emotion expression mode.
  • the transition of the lighting state in the emotional expression mode appears to the traffic participant to be more gradual than the transition of the lighting state in the normal operation mode. Therefore, even in this case, when the light is emitted from the light source unit 21A in the emotion expression mode, the traffic participant can surely perceive predetermined information such as gratitude.
  • the time required for the light source unit 21A to transition from the off state to the full lighting state in the normal operation mode is the time required for the light source unit 21A to transition from the off state to the full lighting state in the emotion expression mode.
  • the present disclosure is not limited to this.
  • the time required for the light source unit 21A to transition from the fully lit state to the extinguished state in the normal operation mode is shorter than the time required for the light source unit 21A to transition from the fully lit state to the extinguished state in the emotion expression mode.
  • the time required for the light source unit 21A to transition from the off state to the full lighting state in the normal operation mode is shorter than the time required for the light source unit 21A to transition from the off state to the full lighting state in the emotion expression mode.
  • the time required for the light source unit 21A to transition from the fully lit state to the extinguished state in the normal operation mode is shorter than the time required for the light source unit 21A to transition from the fully lit state to the extinguished state in the emotion expression mode.
  • the amount of change per unit time in the brightness of the light source unit 21A is constant.
  • the present disclosure is not limited thereto.
  • the amount of change in the brightness of the light source unit 21A per unit time when the brightness of the light source unit 21A starts to change is may be smaller than the amount of change per unit time of the brightness of the light source unit 21A at the time of .
  • the amount of change in the brightness of the light source unit 21A per unit time when the change in the brightness of the light source unit 21A ends is not limited to the example shown in FIG.
  • the present disclosure is not limited thereto.
  • how the brightness of the light source unit 21A changes between time t61 and time t62 varies from time t63 to time t63. t64, etc. may be different from how the brightness of the light source unit 21A changes.
  • a light source unit including at least one light source
  • a communication lamp for a vehicle comprising: a lighting control section for controlling the light source unit, the light source unit being turned on while changing the brightness of the light source unit.
  • the lighting control unit lights the light source unit in a first lighting mode or a second lighting mode different from the first lighting mode; 2.
  • the vehicle communication lamp according to claim 1 wherein said light source unit lights up differently between said first lighting mode and said second lighting mode.
  • a vehicle communication lamp that is either a turn signal lamp, a brake lamp, or a backup lamp, a light source unit including at least one light source; a lighting control unit that controls the light source unit; The lighting control unit controls the light source unit in a first lighting mode for exhibiting the original function of any one of a turn signal lamp, a brake lamp, and a backup lamp, and a second lighting mode different from the first lighting mode. is controllable and The vehicle communication lamp, wherein at least one of the manner in which the light source unit is lit and the manner in which the light source unit is extinguished differs between the first lighting mode and the second lighting mode.
  • the time required to transition from the off state to the fully lit state in the first lighting mode is shorter than the time required to transition from the off state to the fully lit state in the second lighting mode; and/or According to (9), the time required to transition from the full lighting state to the off state in the first lighting mode is shorter than the time required to transition from the full lighting state to the off state in the second lighting mode.

Abstract

L'invention concerne une lampe de communication de véhicule (20A) équipée d'une unité source lumineuse (21A) comprenant une ou plusieurs sources lumineuses et d'une unité de commande d'éclairage (22) permettant de commander l'unité source lumineuse (21A), afin d'allumer l'unité source lumineuse (21A) tout en variant la luminosité de l'unité source lumineuse (21A).
PCT/JP2023/000439 2022-01-31 2023-01-11 Lampe de communication de véhicule WO2023145432A1 (fr)

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Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2019124116A1 (fr) * 2017-12-21 2019-06-27 株式会社小糸製作所 Phare de véhicule
JP2019137210A (ja) * 2018-02-09 2019-08-22 株式会社小糸製作所 車両用照明システム及び車両
JP3224121U (ja) * 2019-08-30 2019-11-28 ル・グラシエルビルディング株式会社 車両用謝意表示装置

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2019124116A1 (fr) * 2017-12-21 2019-06-27 株式会社小糸製作所 Phare de véhicule
JP2019137210A (ja) * 2018-02-09 2019-08-22 株式会社小糸製作所 車両用照明システム及び車両
JP3224121U (ja) * 2019-08-30 2019-11-28 ル・グラシエルビルディング株式会社 車両用謝意表示装置

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