JP2019046646A - Vehicular lighting device - Google Patents

Abstract

To provide a vehicular lighting device that can be easily viewed from a following vehicle having a high vehicle height.SOLUTION: A vehicular lighting device comprises a light source 5, and an optical member (a light guide body 6). The light guide body 6 comprises a first region for applying light emitted from the light source 5 toward a rear side of a vehicle, and a second region for applying light emitted from the light source 5 toward an upper side of the vehicle. The light guide body 6 comprises an incident surface 61, a main body part 62, emitting surfaces 63 and 64, and a reflecting part 65. The emitting surface 63 is the first region for applying light toward the rear side of the vehicle. The emitting surface 64 is the second region for applying light toward the upper side of the vehicle. A portion of light emitted from the light source 5 is guided inside the main body part 62, reflected by the reflecting part 65, emitted through an optical path L2 from the emitting surface 64, and applied toward the upper side of the vehicle.SELECTED DRAWING: Figure 4

Description

  The present invention relates to a vehicle lamp.

  A tail lamp for a two-wheeled vehicle, including a taillight, is known in Patent Document 1 and the like.

Unexamined-Japanese-Patent No. 5-20905 gazette

  By the way, in the case of a leading vehicle such as a motorcycle while traveling, if the following vehicle is a vehicle with a high height, such as a large truck or a large bus, and the distance between the preceding motorcycle and the following vehicle is short, the preceding vehicle It becomes difficult for a driver of a following vehicle to see lights such as a tail lamp which the motorcycle emits toward the rear.

  It is an object of the present invention to provide a vehicle lamp that is more easily visible from a following vehicle with a high vehicle height.

In order to achieve the above object, the present disclosure is a vehicle lamp having a light source and an optical member,
The optical member has a first area for emitting light emitted from the light source to the rear of a vehicle on which the vehicle lamp is mounted, and a second area for emitting light emitted from the light source to the upper portion of the vehicle And an area.

  According to the above configuration, since the second region to be irradiated to the upper side of the vehicle is provided, the light irradiated to the upper side of the vehicle is visually recognized, and the vehicle on which the vehicle lamp is mounted is more It becomes easy to be recognized.

  Further, in the vehicle lamp of the present disclosure, the optical member may be a light guide.

  According to the above configuration, since the light is irradiated to the upper side of the vehicle by the light guide, it is possible to configure the vehicle lamp with a simple configuration that is more easily visible from the following vehicle having a high vehicle height.

  Further, in the vehicle lamp of the present disclosure, the light guide may have a reflecting portion that reflects light incident from the light source toward the upper side of the vehicle.

  According to the above configuration, the vehicle lamp 1 is configured to be more easily visible from the following vehicle with a high vehicle height by the simple configuration since it has the reflecting portion that reflects the light incident from the light source toward the upper side of the vehicle. be able to.

Also, the vehicle lamp of the present disclosure
A vehicle lamp having at least one light source, comprising:
The light source is disposed in such a direction that light is emitted to the rear of a vehicle on which the vehicle lamp is mounted and a direction in which light is emitted to the upper side of the vehicle.

  According to the above configuration, the light source is disposed above the vehicle in the direction to emit light, so that the vehicle mounted with the vehicle lighting device can be more easily viewed from the subsequent vehicle having a high vehicle height.

Further, in the vehicle lamp of the present disclosure, the light source is configured of a plurality of light sources,
A portion of the plurality of light sources is disposed in a direction of irradiating light behind the vehicle, and at least a portion of the plurality of light sources is disposed in a direction of irradiating light above the vehicle It is also good.

  According to the above configuration, since the light source is disposed above the vehicle in the direction of irradiating light, the light is emitted from the light source disposed in the direction of irradiating light above the vehicle, and It becomes easier to visually recognize a vehicle equipped with a vehicle lighting device from a high following vehicle.

Also, the vehicle lamp of the present disclosure
It further comprises a sensor for detecting the surrounding environment behind the vehicle,
The sensor may be disposed so as not to block light emitted to the upper side of the vehicle.

  According to the above configuration, even if the sensor is further provided, the light emitted from the following vehicle above the vehicle lamp can be visually recognized.

In the vehicle lamp of the present disclosure,
A light source arranged in a direction to emit light above the vehicle may be configured to light when the sensor detects a vehicle behind.

  When the sensor detects a vehicle behind, the vehicle lighting equipment is used in vehicles with high vehicle height such as a large truck or large bus approaching the rear by lighting the light emitted above the vehicle. It can notify the presence of a mounted vehicle.

  According to the vehicle lighting device of the present disclosure, it is possible to provide a vehicle lighting device that is more easily visible from a following vehicle with a high vehicle height.

It is a figure which shows the position in the vehicle of a lighting device for vehicles. It is a block diagram of a vehicular lamp. It is a schematic diagram for demonstrating a vehicle lamp. It is a schematic diagram for demonstrating the structure of a left lamp unit. It is a schematic diagram for demonstrating one planar light source which radiate | emits light to several directions. It is a schematic diagram for demonstrating a several light source. It is a schematic diagram for demonstrating two planar light sources. It is a schematic diagram for demonstrating the cleaner system which uses a cleaner nozzle.

  Hereinafter, embodiments of the present disclosure will be described with reference to the drawings. In the description of the present embodiment, “left and right direction”, “front and back direction”, and “up and down direction” are relative directions set for the convenience of description of the vehicle shown in FIG. 1. Here, the “upper and lower direction” is a direction including “upper direction” and “lower direction”. The “front-rear direction” is a direction including the “front direction” and the “rear direction”. The “left-right direction” is a direction including the “left direction” and the “right direction”.

  FIG. 1 shows a motorcycle 100 as an example of a vehicle according to the present embodiment. The motorcycle 100 is a vehicle that can travel along a corner of a road (curve) by inclining the vehicle body in the direction of bending. The vehicle according to the present embodiment may be a vehicle capable of traveling in a corner by inclining the vehicle body in the direction of bending like the motorcycle 100, and the number of wheels is not limited. Therefore, even if it is, for example, a three-wheeled motor vehicle, a four-wheeled motor vehicle, etc., it is included in the vehicle of the present embodiment as long as it can travel in the same manner as the motorcycle 100.

  As shown in FIG. 1, the motorcycle 100 has a vehicular lamp 1 at its rear portion. The vehicle lighting device 1 of this example is a rear combination lamp (an example of a vehicle lighting device) capable of irradiating the rear of the vehicle.

  The outline of the vehicle lamp 1 will be described with reference to FIG. FIG. 2 is a block diagram of the vehicular lamp 1. As shown in FIG. 2, the vehicle lamp 1 includes a left lamp unit 2L, a right lamp unit 2R, and a lamp unit control unit 3 for controlling the left lamp unit 2L and the right lamp unit 2R. , The sensor 7 and the cleaner system 25.

  The left lamp unit 2L is provided at the left of the rear of the motorcycle 100, and the right lamp unit 2R is provided at the right of the rear of the motorcycle 100. The left lamp unit 2L includes a left tail lamp (stop lamp) 21L, a back lamp 22L, a turn signal lamp 23L, and a sensor 24L. The right lamp unit 2R includes a right tail lamp (stop lamp) 21R, a back lamp 22R, a turn signal lamp 23R, and a sensor 24R. The left lamp unit 2L and the right lamp unit 2R can have the same configuration. In the following, when describing the whole of the tail lamps (stop lamps) 21L and 21R, the back lamps 22L and 22R, and the turn signal lamps 23L and 23R, they are simply referred to as "lamps".

  The sensor 7 is configured of, for example, at least one of LiDAR (Light Detection and Ranging or Laser Imaging Detection and Ranging), a camera, a radar, and the like. The cleaner system 25 will be described later.

Here, LiDAR is an abbreviation of Light Detection and Ranging or Laser Imaging Detection and Ranging. Generally, LiDAR is a sensor that emits non-visible light in front of it and acquires information such as the distance to an object, the shape of an object, the material of an object, the color of an object, and the like based on the emitted light and return light.
The camera is, for example, a camera including an imaging device such as a charge-coupled device (CCD) or a complementary MOS (CMOS). The camera is a camera that detects visible light or an infrared camera that detects infrared light.
The radar is a millimeter wave radar, a microwave radar, a laser radar or the like.

The lamp unit control unit 3 includes a lamp control unit 31, a sensor control unit 32, and a cleaner control unit 33. The lamp control unit 31 is configured to control tail lamps (stop lamps) 21L and 21R, back lamps 22L and 22R, and turn signal lamps 23L and 23R, which are left and right lamps. The sensor control unit 32 is configured to control the left and right sensors 24L and 24R and the sensor 7. The cleaner control unit 33 is configured to control the cleaner system 25.
The lamp unit control unit 3 is connected to a vehicle control unit 4 that controls the motorcycle 100.

<Arrangement of lamps and sensors>
Next, the details of the arrangement of the left and right lamps 2L and 2R (lamps) will be described with reference to FIG. FIG. 3 is a schematic view for explaining the vehicle lamp 1. As shown in FIG. As shown in FIG. 3, the left lamp unit 2L and the right lamp unit 2R of the vehicle lamp 1 are disposed symmetrically with respect to the direction of travel of the motorcycle 100 when going straight. Here, the traveling direction when the motorcycle 100 travels straight means the traveling direction when the motorcycle 100 travels on a straight line. The front-rear direction of the motorcycle 100 shown in FIG. 3 coincides with the direction in which the motorcycle 100 travels straight.

  A sensor 7 is disposed between the left lamp unit 2L and the right lamp unit 2R. The sensor 7 is fixed to the motorcycle 100 via the support portion 8. As shown in FIG. 3, at least a part of the sensor 7 when the motorcycle 100 travels straight more than the left lamp unit 2L and the right lamp unit 2R when viewed from the rear side (backward direction of FIG. 3) of the motorcycle 100. It is arranged at the position which becomes the back in the direction of movement of.

  The sensor 7 can acquire information outside the host vehicle including the environment around the motorcycle 100 (for example, obstacles, other vehicles (forward vehicles, oncoming vehicles), pedestrians, road shapes, traffic signs, etc.) Sensor. The sensor 7 is configured to output the acquired information to the sensor control unit 32. The sensor 7 is composed of, for example, at least one of LiDAR, a camera, a radar, and the like, similarly to the sensors 24L and 24R.

  Although not shown, the motorcycle 100 includes a traveling state of the motorcycle 100, such as a bank angle sensor for detecting an inclination of the motorcycle 100, and a speed sensor for detecting the speed of the motorcycle 100. The sensor which acquires information of is mounted. Each information detected by the sensor (not shown) is transmitted to the vehicle control unit 4. The vehicle control unit 4 is configured to control the operation of the vehicle lighting device 1 based on the sensors (not shown) and the information transmitted from the lighting device unit control unit 3.

Next, control of the vehicular lamp 1 will be described.
The vehicle control unit 4 controls the vehicle lamp 1 according to the input operation of the rider (driver) to the motorcycle 100 and the traveling control state of the motorcycle 100. Further, when the peripheral information of the motorcycle 100 is detected, the sensors 7, 24L, 24R transmit a signal regarding the detection result to the vehicle control unit 4. The vehicle control unit 4 may control the vehicle lighting device 1 according to the surrounding information received from the sensors 7, 24L, 24R. For example, the vehicle control unit 4 instructs the lamp control unit 31 to light the stop lamps 21L and 21R based on the rider's brake operation on the motorcycle 100 or a signal to change the light emission intensity. Send The lamp control unit 31 receives a signal to light the stop lamps 21L and 21R, and lights the stop lamps 21L and 21R. Alternatively, the lamp control unit 31 changes the light emission intensity of the stop lamps 21L and 21R.
Further, the lamp control unit 31 may perform lighting control of the stop lamps 21L and 21R according to the detection result of the peripheral information of the motorcycle 100 received from the sensors 7, 24L and 24R.

By the way, various lamps are disposed at the rear of the vehicle in the conventional motorcycle. Although there is a limited space for arranging the lamps at the rear of the vehicle, there are cases where it is desirable to arrange a sensor in this space. For this reason, it was necessary to consider an arrangement that makes efficient use of the limited space.
That is, the inventors of the vehicle lighting device 1 according to the present disclosure examined various arrangements of the left and right lighting device units 2L and 2R and the sensor 7 in various ways. By arranging the lamp unit 2L and the right lamp unit 2R and arranging the sensor 7 between the left lamp unit 2L and the right lamp unit 2R, the limited space at the rear of the vehicle is made effective. I found that I could use it for

Further, the sensor 7 has a detection surface (rear surface) of the sensor 7 disposed behind the motorcycle 100 more than any one of the left lamp unit 2L and the right lamp unit 2R. In this example, the detection surface (rear surface) of the sensor 7 is disposed rearward of the motorcycle 100 with respect to the left lamp unit 2L and the right lamp unit 2R.
With this configuration, the light of the left and right lighting units 2L and 2R does not enter the detection surface of the sensor 7, and erroneous detection of the sensor 7 by the light of the left and right lighting units 2L and 2R can be prevented.

<Sensors mounted on left and right lighting unit>
Next, the internal configuration of the left and right light lamp units 2L and 2R will be described using FIGS. 3 and 4. FIG. 4 schematically shows the configuration of the left lamp unit 2L. The left and right lighting units 2L and 2R have an internal configuration that is symmetrical in the left-right direction.

  As shown in FIG. 4, the left lamp unit 2 </ b> L includes a housing 9 and a translucent cover 10. The housing 9 and the light transmitting cover 10 define the lamp chamber 11. In the lamp chamber 11, as shown in FIGS. 3 and 4, at least one light source 5, a light guide 6 (an example of an optical member), and a sensor 24L are disposed.

  As shown in FIG. 3, the sensor 24L mounted on the left lamp unit 2L and the sensor 24R mounted on the right lamp unit 2R are arranged symmetrically with respect to the traveling direction when the motorcycle 100 travels straight. . Here, the sensors 24L and 24R may be built in the lamp chamber 11 of the lamp units 2L and 2R, and mounted on the left and right lamp units 2L and 2R. It means that it may be disposed in the vicinity of the lighting unit 2L, 2R outside.

  In addition, as shown in FIG. 3, the sensors 24 L, 24 R of the left and right light lamp units 2 L, 2 R are provided at positions that do not disturb the optical path of the light emitted from the light source 5. As shown in FIG. 3 and FIG. 4, a part of the light incident on the light guide 6 from the light source 5 is emitted to the rear of the motorcycle 100 along the light path L 1 and is incident on the light guide 6 from the light source 5 The other part is emitted toward the upper side of the motorcycle 100 in the light path L2. The sensors 24L and 24R are disposed at positions deviated from the optical paths of the light paths L1 and L2 of the light emitted from the light guide 6.

By the way, in the conventional motorcycle, a light source of a lamp and the like are disposed inside a lamp (vehicle lamp 1 of the present disclosure) at the rear of the vehicle. Although the space inside the lamp and the space near the lamp are limited, it may be desirable to place a sensor in this space. For this reason, it was necessary to consider an arrangement that makes efficient use of the limited space.
That is, the inventors of the vehicle lighting device 1 according to the present disclosure examined various arrangements of the sensors 24L and 24R in the left and right lighting device units 2L and 2R. It has been found that the limited space at the rear of the motorcycle 100 can be effectively utilized by arranging the sensors 24L, 24R in the above positions. Further, according to the arrangement of the sensors 24L and 24R, the detection data acquired from the sensors 24L and 24R is data detected at the symmetrical position, so that processing of the detection data in the sensor control unit 32 becomes easy.

Each of the sensors 24L and 24R may be configured to have at least one of LiDAR, a camera, a radar, and the like. That is, the sensor 24L may be a LiDAR or a camera. Further, the sensor 24L may be configured by a plurality of types of sensors or a plurality of sensors of the same type. The sensor 24R can be configured in the same manner as the sensor 24L.
In addition, one of the sensors 24L and 24R may be LiDAR, and the other may be a camera. As described above, even when the sensors 24L and 24R are different types of sensors, the sensors 24L and 24R are disposed symmetrically with respect to the traveling direction when the motorcycle 100 travels straight.

  As an example, the case where each of the sensors 24L and 24R includes two LiDAR will be described. For example, the detection range of LiDAR is 120 degrees. The sensors 24L and 24R can respectively provide a detection range of up to 240 degrees on the horizontal plane of the sensors 24L and 24R. The directions of the sensors 24L and 24R may be set so that the detection ranges overlap in a region where the detection accuracy is to be further improved (for example, the rear of the motorcycle 100).

  For example, the detection ranges of the left and right sensors 24L and 24R are set symmetrically on the basis of the front of the motorcycle 100, and the detection ranges of the sensors 24L and 24R are set to overlap 120 degrees at the rear of the motorcycle 100. Can. According to this example, by setting the detection range of the sensors 24L and 24R, it is possible to detect the range to be particularly detected with high accuracy while detecting the full azimuth of 360 degrees in the horizontal plane of the sensors 24L and 24R. it can.

<A vehicle lamp having an optical member for emitting light to the rear of the vehicle and the upper side of the vehicle>
Next, a vehicle lamp having an optical member for emitting light to the rear and upper side of the vehicle (the motorcycle 100 on which the vehicle lamp 1 is mounted) will be described.
As shown in FIG. 4, the left lamp unit 2L includes a light source 5 and a light guide 6 for irradiating the light emitted from the light source 5 to the rear of the vehicle (motorcycle 100) and above the vehicle (an example of an optical member) And have. In addition, since the left and right lighting fixture units 2L and 2R are symmetrical configurations, hereinafter, the configuration of the left lighting fixture unit 2L will be described, and the description of the right lighting fixture unit 2R will be omitted.

  As shown in FIGS. 3 and 4, the light source 5 is disposed on the front side in the lamp chamber 11. The light source 5 emits light for illuminating a predetermined area.

  The light source 5 may be a lamp light source or a light emitting element. Examples of lamp light sources include incandescent lamps, halogen lamps, discharge lamps, and neon lamps. A light emitting diode, a laser diode, an organic EL element etc. are mentioned as an example of a light emitting element.

  The light guide 6 is a member that irradiates the light emitted from the light source 5 to the rear and upper side of the motorcycle 100. As shown in FIG. 4, the light guide 6 includes an incident surface 61, a main body portion 62, emission surfaces 63 and 64, and a reflecting portion 65. The incident surface 61 is an end surface of the light guide 6 on which the light emitted from the light source 5 is incident when the light source 5 is turned on. The main body portion 62 is formed in a long shape, and is configured to guide light incident from the light source 5 to the emission surfaces 63 and 64. The emission surfaces 63 and 64 are surfaces that emit light which is incident from the incident surface 61 and is guided through the main body 62.

  The exit surface 63 is a first area for emitting light to the rear of the motorcycle 100. The emitting surface 64 is a second area for emitting light to the upper side of the motorcycle 100.

  The reflecting portion 65 is configured by a plurality of steps (steps) having an angle that reflects light incident on the main body portion 62 and guided in the inside of the main body portion 62 toward the upper side of the main body portion 62.

Next, irradiation of light in the left lamp unit 2L shown in FIG. 4 will be described.
The lamp control unit 31 (FIG. 2) performs lighting control of the light source 5 of the left lamp unit 2L.

The light emitted from the light source 5 is incident on the incident surface 61 of the light guide 6 and is guided inside the main body 62. At this time, part of the light incident on the main body 62 from the light source 5 is directed directly to the light emission surface 63 or totally reflected in the main body 62 to be directed to the light emission surface 63 and emitted rearward from the light emission surface 63 Be done. The light emitted from the exit surface 63 is indicated by an optical path L1.
In addition, another part of the light incident from the light source 5 to the main body portion 62 is reflected by the reflecting portion 65. The light reflected by the reflection unit 65 is emitted upward from the emission surface 64. The light emitted from the exit surface 64 is indicated by an optical path L2.

  According to the configuration described above, the light guide 6 includes the first area (the light emitting surface 63) for irradiating the light emitted from the light source 5 to the rear of the motorcycle 100 and the light emitted from the light source 5 for the motorcycle 100. Since the second region (the exit surface 64) to be emitted above the vehicle 100, the light irradiated to the upper side of the motorcycle 100 is visually recognized by the rear vehicle, and It becomes easier to visually recognize the motorcycle 100 on which the lighting device 1 is mounted.

For example, while the motorcycle 100 is traveling, the distance between the motorcycle 100 and a vehicle such as a large truck at the rear may be short. At this time, when the rear vehicle is a large vehicle such as a large vehicle and the distance to the motorcycle 100 is short, the tail lamps 21L and 21R of the motorcycle 100 are difficult to see from the driver's seat at a high vehicle height. It may be difficult for a rear vehicle to find the presence of 100.
Thus, when the motorcycle 100 is difficult to see from the rear vehicle, the driver of the rear vehicle or the like can receive the light from the second area (the light emitting surface 64) by irradiating light above the motorcycle 100. The presence can be notified more reliably.

In addition, since the light is irradiated to the upper side and the rear side of the motorcycle 100 using the light guide 6, the vehicle lamp 1 can be configured with a simple configuration and can be more easily viewed from the following vehicle with a high vehicle height.
Further, according to the above-described configuration, the light guide 6 has the reflecting portion 65 (step) for reflecting the light incident from the light source 5 toward the upper side of the motorcycle 100. The vehicular lamp 1 can be configured to be more easily visible from a high following vehicle.

  Further, by using the light guide 6 as described above, even if there is only one light source, the light can be irradiated to the upper side and the rear side of the motorcycle 100.

<A vehicle lamp having one light source for emitting light to the rear of the vehicle and the upper side of the vehicle>
Next, a vehicle lamp having one light source for emitting light to the rear of the vehicle (the motorcycle 100 on which the vehicle lamp 1 is mounted) and the upper side of the vehicle will be described with reference to FIG.

  The left lamp unit 2La shown in FIG. 5 has a pedestal 12 in the lamp chamber 11. One planar light source 51 bent along the platform 12 is disposed on the platform 12. The planar light source 51 has a rear emission surface 51B for emitting light to the rear of the vehicle and an upper emission surface 51U for emitting light to the upper portion of the vehicle. The planar light source 51 can be configured by an O-LED or the like in which the rear emission surface 51B and the upper emission surface 51U are continuous. The lamp control unit 31 is configured to be capable of individually lighting and controlling the rear emission surface 51B and the upper emission surface 51U.

Next, irradiation of light in the left lamp unit 2La shown in FIG. 5 will be described.
The left lamp unit 2La may perform control based on the signals from the vehicle control unit 4 and the sensors 7, 24L, 24R, similarly to the left lamp unit 2L shown in FIG.

The left lamp unit 2La may be configured to selectively turn on the upper emission surface 51U or the rear emission surface 51B.
For example, when the sensors 7, 24L, 24R do not detect information such as a vehicle behind, the lamp control unit 31 turns off only the upper emission surface 51U and turns on only the rear emission surface 51B. The light source 51 may be controlled.
Thus, the power consumption of the vehicular lamp 1 can be suppressed by turning off only the upper emission surface 51U.

The left lamp unit 2La may be configured to perform lighting control of the upper emission surface 51U when the sensors 7 (see FIG. 3), 24L, 24R detect a vehicle behind.
For example, when at least one of the sensors 7, 24L, 24R, 7 detects a vehicle having a large height, such as a large truck approaching from the rear of the motorcycle 100, the vehicle control unit 4 receives Receive the approach information of the rear vehicle. The vehicle control unit 4 that has received the approach information transmits a control signal to the lamp control unit 31. The lamp control unit 31 controls lighting of the upper emission surface 51U of the planar light source 51 based on the control signal received from the vehicle control unit 4.
According to this configuration, it is possible to notify the rear vehicle detected by at least one of the sensors 7, 24L, 24R, 7 of the existence of the motorcycle 100 on which the vehicle lamp 1 is mounted.

  According to the above configuration, since the planar light source 51 has the upper emission surface 51U that emits light above the vehicle, the light from the planar light source 51 can be radiated above the motorcycle 100, and It becomes easier to see a vehicle equipped with a vehicle lamp from a tall following vehicle.

<A vehicle lamp having a plurality of light sources for emitting light to the rear of the vehicle and the upper side of the vehicle>
Next, a vehicle lamp having a plurality of light sources for emitting light to the rear of the vehicle (the motorcycle 100 on which the vehicle lamp 1 is mounted) and the upper side of the vehicle will be described with reference to FIG.

  The left lamp unit 2Lb shown in FIG. 6 includes a plurality of light sources 52, 53 as a configuration for emitting light to the rear of the vehicle and the upper side of the vehicle.

  The plurality of light sources 52 and 53 are disposed on the pedestal 12 of the lamp chamber 11. A light source 52 which is a part of the plurality of light sources is disposed in the direction of irradiating light to the rear of the motorcycle 100. A light source 53, which is at least a part of the plurality of light sources, is disposed above the motorcycle 100 so as to emit light.

In FIG. 6, the plurality of light sources 52 and 53 are provided, for example, on one surface side of a transparent FPC 54 (transparent flexible printed circuit board, flexible printed circuits). The transparent FPC 54 is disposed on the base 12 in a state in which the transparent FPC is bent so that the light source 52 faces rearward and the light source 53 faces upward. The lamp control unit 31 is connected to the transparent FPC 54, and is configured to be able to control the lighting of the light sources 52 and 53 individually.
By arranging the transparent FPC 54 in this manner, it is difficult to visually recognize the transparent FPC 54 when all the light sources 52 and 53 are turned off, which is preferable because the appearance is clean in design.

Next, irradiation of light in the left lamp unit 2Lb shown in FIG. 6 will be described.
The left lamp unit 2Lb may perform control based on the signals from the vehicle control unit 4 and the sensors 7, 24L and 24R, similarly to the left lamp unit 2L shown in FIG.

The left lamp unit 2Lb may be configured to selectively turn on the light source 52 or the light source 53.
For example, when at least one of the sensors 7, 24L, 24R does not detect information such as a vehicle behind, the lamp control unit 31 turns off only the light source 53 and turns on only the light source 52. 52, 53 may be controlled.
The left lamp unit 2Lb may be configured to turn on the light source 53 when at least one of the sensors 7, 24L, 24R detects a vehicle behind. According to this configuration, it is possible to notify the rear vehicle detected by at least one of the sensors 7, 24L, 24R, 7 of the existence of the motorcycle 100 on which the vehicle lamp 1 is mounted.

  According to the above configuration, the light source is configured by the plurality of light sources 52 and 53, and among the plurality of light sources, a part of the light sources 52 is disposed in the direction of irradiating light to the rear of the vehicle The light source 53 of at least a part of the light source 53 is disposed in the direction of emitting light above the vehicle. For this reason, light is emitted from the light source 53 disposed in the direction of emitting light above the vehicle, and the vehicle mounted with the vehicle lighting device can be more easily viewed from the subsequent vehicle having a high vehicle height.

<A vehicle lamp having two planar light sources for emitting light to the rear of the vehicle and the upper side of the vehicle>
Next, a vehicle lamp having two planar light sources for emitting light to the rear of the vehicle (the motorcycle 100 on which the vehicle lamp 1 is mounted) and the upper side of the vehicle will be described with reference to FIG.

  The two planar light sources 55 and 56 shown in FIG. 7 are disposed on the pedestal 12 respectively. The planar light source 55 is disposed in the direction of emitting light to the rear of the vehicle. The planar light source 56 is disposed in the direction of emitting light above the vehicle. The lamp control unit 31 is configured to be able to control light emission of the planar light sources 55 and 56 individually. The planar light sources 55 and 56 may be configured of an O-LED or a plurality of light sources provided on a substrate.

Next, irradiation of light in the left lamp unit 2Lc shown in FIG. 7 will be described.
The left lamp unit 2Lc may perform control based on the signals from the vehicle control unit 4 and the sensors 7, 24L and 24R, similarly to the left lamp unit 2L shown in FIG.

The left lamp unit 2Lc may be configured to selectively turn on the planar light source 55 or the planar light source 56.
For example, when the sensors 7, 24L, 24R do not detect information such as a vehicle behind, the lamp control unit 31 turns off only the planar light source 56 and turns on only the planar light source 55. The light sources 55, 56 may be controlled.
The left lamp unit 2Lc may be configured to turn on the planar light source 56 when at least one of the sensors 7, 24L, 24R detects a vehicle behind. According to this configuration, it is possible to notify the rear vehicle detected by at least one of the sensors 7, 24L, 24R of the existence of the motorcycle 100 on which the vehicle lamp 1 is mounted.

  According to the above configuration, since the planar light source 56 disposed in the direction of irradiating light above the vehicle is provided, it is more easily visible from the following vehicle having a high vehicle height.

  In the left lamp unit 2L, 2La, 2Lb, 2Lc shown in FIG. 4 to FIG. 7, the sensors 24L, 24R (see FIG. 3) are light irradiated to the upper side of the motorcycle 100 and light irradiated to the rear. It is arranged in the position which does not shade light.

  According to the configuration described above, the sensors 24L and 24R are disposed at positions not blocking the light emitted upward, and therefore, the sensors 24L and 24R are irradiated above the left lamps 2L, 2La, 2Lb, and 2Lc from the following vehicle. Light is visible.

  In the description of FIG. 3 to FIG. 7, the configuration and control of the light sources and optical members of the left lamp units 2L, 2La, 2Lb and 2Lc have been described taking stop lamps 21L and 21R as an example, but back lamps 22L and 22R , And may be adopted as the configuration and control of the turn signal lamps 23L and 23R.

  Further, in the left lamp unit 2L, 2La, 2Lb, 2Lc shown in FIG. 4 to FIG. 7, a diffusion member for diffusing outgoing light may be used for the light transmitting cover 10 as the outgoing surface. As described above, when the diffusion member is used, light can be emitted more efficiently to the rear and the upper side of the motorcycle 100.

<Cleaner system by traveling wind>
When the motorcycle 100 is driven, it is important to maintain the cleanliness of these sensors 7 so that the sensitivity of the sensors 7 such as LiDAR does not decrease. Therefore, the motorcycle 100 has a cleaner system.
Returning to FIG. 3, a cleaner system using traveling wind will be described as an example of the cleaner system of the sensor 7.

  The sensor 7 is disposed at a predetermined distance from components of the vehicle lighting device 1 other than the sensor 7. As shown in FIG. 3, the left and right lamp units 2L and 2R (an example of the components of the vehicle lamp 1) and the sensor 7 are disposed across a space. That is, a gap is formed between the right side surface of the left lamp unit 2L and the left side surface of the sensor 7, and a gap is formed between the left side surface of the right lamp unit 2R and the right side surface of the sensor 7. The left and right lighting unit 2L, 2R and the sensor 7 are disposed. By this arrangement, a gap is formed between the left lamp unit 2L and the sensor 7 and between the right lamp unit 2R and the sensor 7.

  As shown in FIG. 3, the left and right lighting units 2L and 2R and the sensor 7 may be arranged to have gaps above, below, to the left, and to the right of the sensor 7, as shown in FIG. That is, the components of the sensor 7 and the vehicle lighting device 1 may be arranged such that a gap is formed around the detection surface of the sensor 7 (in this example, the rear surface of the sensor 7).

As shown in FIG. 3, in the gap between the left lamp unit 2L and the sensor 7 or in the gap between the right lamp unit 2R and the sensor 7 when the motorcycle 100 is traveling, as shown in FIG. The traveling wind 13 passes in the opposite direction to the traveling direction when the vehicle travels straight. The traveling wind 13 passes through the side surface of the sensor 7 to form an air curtain, as shown in FIG.
Similarly, the traveling wind of the vehicle passes through the gaps formed above, below, to the left, and to the right of the sensor 7. The traveling wind passes through the side surface including the top, bottom, left, and right of the sensor 7 in the same manner as the traveling wind 13 to form an air curtain.
The air curtain constitutes a cleaner system that prevents dust and dirt from flowing to the detection surface of the sensor 7.

  Further, the traveling wind 13 which has passed through the side surface of the sensor 7 becomes turbulent 14 near the rear surface of the sensor 7. The turbulent flow 14 moves so as to mix and change the air flow in the vicinity of the rear surface of the sensor 7 so as to prevent dust and dirt from adhering to the rear surface of the sensor 7 or to blow away dust and dirt already adhered. A functioning cleaner system is configured.

  According to the above configuration, the component parts of the vehicle lighting device 1 including the sensor 7 are disposed such that the traveling wind 13 of the motorcycle 100 passes around the detection surface of the sensor 7, and thus the detection surface of the sensor It can prevent the flow of dust and debris from

Further, according to the above configuration, the sensor 7 is disposed at a predetermined distance from the components other than the sensor 7 (right and left lamp units 2L and 2R), so that the detection surface of the sensor 7 is surrounded by the motorcycle Since 100 traveling winds 13 pass, dust and dirt can be prevented from flowing to the detection surface of the sensor 7.
That is, according to the above configuration, the traveling wind 13 passes through the gap between the sensor 7 and the left and right light lamp units 2L and 2R (two lamps) as the motorcycle 100 travels, so detection of the sensor 7 Dust and dirt can be prevented from flowing to the surface.

  In the above-described example, the traveling wind 13 passes above, below, to the left, and to the right of the sensor 7 as the motorcycle 100 travels. However, the above, below, to the left and above the sensor 7 The traveling wind 13 may pass through at least one on the right side. According to this configuration, it is possible to prevent dust and dirt from flowing to the detection surface of the sensor 7 from the side through which the traveling wind 13 passes.

  The sensors 24L and 24R included in the left and right lighting units 2L and 2R are also arranged along the detection surfaces of the sensors 24L and 24R so that the traveling wind passes around the detection surfaces of the sensors 24L and 24R. It is done. This can prevent dust, dirt, and the like from flowing to the detection surfaces of the sensors 24L, 24R.

<Cleaner system using cleaner nozzle>
Next, a cleaner system using a cleaner nozzle will be described using FIGS. 2 and 8. FIG. 8 is a side view illustrating the outline of a cleaner system using a cleaner nozzle.

  The vehicular lamp 1 has a cleaner system 25 as shown in FIG. The cleaner system 25 is a system for cleaning an object to be cleaned (sensor 7) provided outside the motorcycle 100. That is, a cleaner system using a cleaner nozzle is a system for removing foreign matter such as water droplets, mud, dust and the like adhering to the object to be cleaned using a cleaning medium. The cleaner system 25 is configured to be controlled by a control signal from the cleaner control unit 33.

  The cleaner system 25 has a cleaner nozzle 15, as shown in FIG. The cleaner nozzle 15 can clean the sensor 7 shown in FIGS. 3 and 8. The cleaner nozzle 15 is configured to be capable of discharging the cleaning liquid 16 stored in a tank (not shown) toward the object to be cleaned. The cleaning medium discharged by the cleaner system 25 includes air, water, or a cleaning solution containing a detergent. As a mechanism for supplying the cleaning liquid 16 to the cleaner nozzle 15, various mechanisms such as a pump operated by an actuator can be used.

  In the cleaner system 25 described above, the input of the operation signal to the cleaner control unit 33 is not particularly limited. The input of the operation signal to the cleaner control unit 33 may be, for example, a signal output from an operation unit such as a switch operated by the user. Further, it may be a signal output when the dirt sensor mounted on each part of the motorcycle 100 detects dirt. Further, a signal output when the dirt sensor detects dirt is input to the vehicle control unit 4, and a signal for operating the cleaner system 25 from the vehicle control unit 4 is input to the cleaner control unit 33. It is also good. The sensors 7, 24L, 24R included in the vehicular lamp 1 can also function as a dirt sensor.

Next, control of the cleaner system 25 will be described using FIGS. 2 and 8.
The cleaner control unit 33 sends the cleaning solution 16 from a tank (not shown) to the cleaner nozzle 15 when a signal for cleaning the sensor 7 is input to the cleaner control unit 33. The cleaner control unit 33 operates an actuator (not shown) for the cleaner nozzle 15 to discharge the cleaning solution 16 from the cleaner nozzle 15 toward the sensor 7.

  According to the above configuration, since the cleaner nozzle 15 for jetting the washing medium to the sensor 7 is provided, the dirt on the detection surface of the sensor 7 can be washed with the washing medium (washing liquid 16) discharged from the cleaner nozzle 15. it can.

  The cleaner nozzle 15 may be configured to be capable of supplying compressed air together with the cleaning liquid 16. If the cleaning liquid 16 remains in the sensor 7, there is a possibility that information outside the motorcycle 100 can not be properly acquired. Therefore, the compressed air is injected separately from the cleaning solution 16 to the sensor 7 where the remaining of the cleaning solution 16 is likely to be a problem, so that the cleaning solution 16 can be reliably prevented from remaining on the detection surface of the sensor 7. Good.

  The sensor 7 such as LiDAR may have a detection surface and a cover (not shown) covering the detection surface. The cleaner nozzle 15 for cleaning the sensor 7 may be configured to clean the detection surface of the sensor 7 or may be configured to clean the cover covering the sensor 7.

  In addition, a left cleaner system for cleaning the sensor 24L and a right cleaner system for cleaning the sensor 24R may be provided.

<Various modifications>
Although the embodiments of the present invention have been described above, it goes without saying that the technical scope of the present invention should not be interpreted in a limited manner by the description of the present embodiments. It is understood by those skilled in the art that the present embodiment is merely an example, and that modifications of various embodiments are possible within the scope of the invention described in the claims. The technical scope of the present invention should be determined based on the scope of the invention described in the claims and the scope of equivalents thereof.

Reference Signs List 1 vehicle lamp, 2L left lamp unit, 2R right lamp unit, 3 lamp unit control unit, 4 vehicle control unit, 5 light source, 6 light guide, 7 sensor, 8 support unit, 9 housing, 10 transmission Light cover, 11 lamps, 12 units, 13 traveling winds, 14 turbulence, 15 cleaner nozzles, 16 cleaning solutions, 21 cleaning solutions, 21L, 21R tail lamps (stop lamps), 22L, 22R back lamps, 23L, 23R turn signal lamps, 24L, 24R sensor, 25 cleaner system, 31 lamp control unit, 32 sensor control unit, 33 cleaner control unit, 51 planar light source, 51B rear light emitting surface, 51U upper light emitting surface, 52, 53 light source, 54 transparent FPC, 55, 56Jo source, 61 incident surface 62 body portion, 63 and 64 exit face 65 reflecting portion, 100 motorcycles, L1, L2 optical path

Claims (7)

A vehicle lamp having a light source and an optical member,
The optical member has a first area for emitting light emitted from the light source to the rear of a vehicle on which the vehicle lamp is mounted, and a second area for emitting light emitted from the light source to the upper portion of the vehicle A vehicle lamp having an area.   The vehicle lighting device according to claim 1, wherein the optical member is a light guide.   The vehicle lighting device according to claim 2, wherein the light guide includes a reflecting portion that reflects light incident from the light source toward the upper side of the vehicle. A vehicle lamp having at least one light source, comprising:
The vehicle lighting device is arranged such that the light source is directed in the direction of irradiating light to the rear of the vehicle on which the vehicle lamp is mounted and in the direction of irradiating the light above the vehicle. The light source is composed of a plurality of light sources,
A part of the plurality of light sources is disposed in a direction of irradiating light to the rear of the vehicle, and at least another part of the plurality of light sources is disposed in a direction of irradiating light above the vehicle The vehicle lamp according to claim 4. It further comprises a sensor for detecting the surrounding environment behind the vehicle,
The vehicle lighting device according to claim 4, wherein the sensor is arranged not to block light emitted to the upper side of the vehicle.   The vehicle lighting device according to claim 6, wherein a light source arranged in a direction to emit light above the vehicle is configured to light when the sensor detects a rear vehicle.

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