WO2015025841A1 - Vehicle door-open warning illumination device - Google Patents

Vehicle door-open warning illumination device Download PDF

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Publication number
WO2015025841A1
WO2015025841A1 PCT/JP2014/071643 JP2014071643W WO2015025841A1 WO 2015025841 A1 WO2015025841 A1 WO 2015025841A1 JP 2014071643 W JP2014071643 W JP 2014071643W WO 2015025841 A1 WO2015025841 A1 WO 2015025841A1
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Prior art keywords
light
vehicle
door
detection signal
door open
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PCT/JP2014/071643
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French (fr)
Japanese (ja)
Inventor
崇 若杉
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矢崎総業株式会社
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Publication of WO2015025841A1 publication Critical patent/WO2015025841A1/en

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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
    • B60Q3/00—Arrangement of lighting devices for vehicle interiors; Lighting devices specially adapted for vehicle interiors
    • B60Q3/20—Arrangement of lighting devices for vehicle interiors; Lighting devices specially adapted for vehicle interiors for lighting specific fittings of passenger or driving compartments; mounted on specific fittings of passenger or driving compartments
    • B60Q3/217—Doors, e.g. door sills; Steps
    • 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
    • B60Q1/32—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 vehicle sides, e.g. clearance lights
    • B60Q1/323—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 vehicle sides, e.g. clearance lights on or for doors
    • B60Q1/324—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 vehicle sides, e.g. clearance lights on or for doors for signalling that a door is open or intended to be opened
    • 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
    • B60Q3/00—Arrangement of lighting devices for vehicle interiors; Lighting devices specially adapted for vehicle interiors
    • B60Q3/60—Arrangement of lighting devices for vehicle interiors; Lighting devices specially adapted for vehicle interiors characterised by optical aspects
    • B60Q3/62—Arrangement of lighting devices for vehicle interiors; Lighting devices specially adapted for vehicle interiors characterised by optical aspects using light guides
    • B60Q3/64—Arrangement of lighting devices for vehicle interiors; Lighting devices specially adapted for vehicle interiors characterised by optical aspects using light guides for a single lighting device
    • 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
    • B60Q3/00—Arrangement of lighting devices for vehicle interiors; Lighting devices specially adapted for vehicle interiors
    • B60Q3/80—Circuits; Control arrangements

Definitions

  • the present invention relates to a lighting device for vehicle door opening notification, and in particular, alerts passengers when opening an exterior door of a vehicle such as an automobile, and also includes a vehicle including a light vehicle such as a rear bicycle and a pedestrian.
  • the present invention relates to a vehicle door open notification illumination device suitable for alerting a third party.
  • an illumination device for the interior of the vehicle of the own vehicle is detected by detecting, for example, a laser sensor or the like when a vehicle such as another automobile behind is approaching or approaching a vehicle when the route is changed.
  • An approach notification device has been proposed that lights or blinks to notify the driver or the like (see Patent Document 1).
  • Room lamps, reading lamps, front door courtesy lamps, front foot lamps, and the like have been proposed as lighting devices in the vehicle interior used for the approach notification device. According to this, safety can be improved by alerting the driver or the like of the own vehicle.
  • it is not considered to notify a third party such as a vehicle or a pedestrian including a light vehicle such as a rear bicycle when the outside door is opened.
  • Patent Document 2 proposes that an LED lamp is embedded in the rear side surface of a door and the LED lamp is turned on when the door is opened in order to notify the rear vehicle and call attention.
  • JP 2008-29979A JP 2008-299779 A
  • JP 2010-167984 A JP 2010-167984 A
  • JP 2005-82127 A JP2002005-082127 A
  • the problem to be solved by the present invention is to provide a vehicle door open notification illumination device suitable for alerting a vehicle or a pedestrian behind when a passenger opens an exterior door of a vehicle. .
  • a vehicle door open notification illumination device is a bar-shaped or belt-shaped light emitting device that is provided over the inner surface of the exterior door of the vehicle and the side surface of the rear portion of the door.
  • a control unit for controlling light emission of the light emitting unit. The control unit detects either one of a door open detection signal for detecting that the outer door is opened and an approach detection signal for a rear vehicle or the like that senses that a vehicle or a pedestrian has approached behind the host vehicle.
  • the light emitting unit is caused to emit light in the first light emission mode, and when both the door open detection signal and the approach detection signal such as the rear vehicle are input, the light emitting unit is set in the second light emission mode. Make it emit light.
  • the second light emission mode is a light emission mode having a higher alerting power than the first light emission mode.
  • the control unit may cause the light emitting unit to emit light in the third light emission mode when a door knob contact detection signal that detects that a vehicle occupant has touched the door knob of the outward opening door is input.
  • a door knob contact detection signal that detects that a vehicle occupant has touched the door knob of the outward opening door is input.
  • the third light emission mode is a light emission mode in which the alerting is the same as or lower than the first light emission mode.
  • the light-emitting portion may be formed by a rod-shaped or strip-shaped light guide having one end connected to the light-emitting element, or may be formed by arranging a plurality of light-emitting elements in a straight line. According to this, since the bar-shaped or belt-shaped or straight light-emitting portion provided to extend on the inner surface of the door on the passenger compartment side emits light, the alerting effect can be further improved.
  • the operation of the first light emission mode, the second light emission mode, and the third light emission mode may be different depending on the color of the light emitting unit, blinking, blinking speed, and combinations thereof. For example, “red light” indicates “warning”, “blue or white light” indicates “light alert”, and “red flash” indicates “heavy attention”. Can do. Furthermore, by increasing the flashing speed of “red flashing” in accordance with the approaching speed or distance of the rear vehicle, it is possible to prompt the passenger to further “heavy attention”.
  • a vehicle door open notification illumination device that is suitable for alerting the vehicle or pedestrian behind when the passenger opens the door.
  • FIG. 2 is a system configuration diagram of a control unit of the vehicle door open notification illumination device according to the embodiment.
  • FIG. 3 is a flowchart illustrating Example 1 of the light emission mode of the control unit.
  • FIG. 4 is a flowchart illustrating Example 2 of the light emission mode of the control unit.
  • FIG. 5 is a flowchart showing Example 3 of the light emission mode of the control unit.
  • FIG. 6 is a flowchart illustrating Example 4 of the light emission mode of the control unit.
  • FIG. 7 is a flowchart illustrating Example 5 of the light emission mode of the control unit.
  • FIG. 8 is a flowchart showing Example 6 of the light emission mode of the control unit.
  • the vehicle door opening notification illumination device 10 is provided on the left and right front doors of the automobile 1. However, in order to simplify the illustration and description, as shown in FIG.
  • the vehicle door opening notification illumination device 10 attached to the outer opening door 2 will be described as an example.
  • FIG. 1A an outwardly opening door (hereinafter, abbreviated as a door as appropriate) 2 is shown in an opened state.
  • the vehicle door open notification illumination device 10 includes a light guide 11 that is a rod-like or strip-like light emitting part, and an optical connection part 12 connected to one end on the front side of the light guide 11. And an LED unit 13 which is a light emitting element optically coupled to the optical connecting portion 12.
  • the light guide 11 is formed so as to efficiently guide the light emitted from the LED unit 13 from one end to the other end.
  • the light guide 11 includes an other end portion 11 a that extends from the front side to the rear side on the inner surface of the door 2 on the vehicle interior side and is bent at a thickness portion 3 that is a rear side surface of the door 2.
  • the LED unit 13 includes red (RED), green (GREEN), and blue (BLUE) LEDs 13a, 13b, and 13c, and Zener diodes connected in parallel to the LEDs 13a, 13b, and 13c. 14a, 14b, 14c and resistors 15a, 15b, 15c connected in series to the LEDs 13a, 13b, 13c.
  • the LED unit 13 is formed so that the emission color, lighting, extinguishing, and blinking can be controlled by a sub ECU (electronic control unit) 16 that is a control unit. That is, the anodes of the LEDs 13a, 13b, and 13c are connected to the power source + B of the sub ECU 16. Lighting signals are supplied to the cathodes of the LEDs 13a, 13b, and 13c through the resistors 15a, 15b, and 15c, respectively.
  • the sub ECU 16 includes an arithmetic processing unit such as a microcomputer, a power source, a memory, and the like. Various information (for example, a trigger signal described later) is input to the sub ECU 16 from the upper main ECU 17.
  • the trigger signal is a signal that triggers the LED unit 13 to light up.
  • the trigger signal includes a door open detection signal output from a door open / close detection device (not shown) that detects that the outer door 2 has been opened, A rear vehicle approach detection signal output from a rear sensing device (not shown) that senses that a vehicle or a pedestrian has approached behind, and a door knob contact that detects that a passenger has touched the door knob of the outer door 2 A door knob contact detection signal output from a detection device (not shown) and an ignition detection signal for detecting that the ignition key is in the ON state are included.
  • the sub ECU 16 is configured to turn on, blink, and turn off the LED unit 13 in a preset light emission mode and to control the light emission color in accordance with a combination of trigger signals input from the main ECU 17.
  • Example 1-3 is an example of controlling the LED unit 13 in a preset light emission mode based on a combination of trigger signals in the vehicle door open notification illumination device 10 including the multi-color LED unit 13.
  • Example 1 A flowchart of the light emission mode control of Example 1 is shown in FIG.
  • the light emission mode control of the sub ECU 16 is started, it is determined whether or not the input ignition signal IG is on (S1). If it is on, it is determined whether or not the doorknob contact detection signal is on (S2). If the doorknob contact detection signal is off, the LED unit 13 is caused to emit light by normal illumination set in advance (S3).
  • light emission by normal electric decoration is a mode in which the LED unit 13 emits light for the purpose of electric decoration, and is a light emission mode different from alerting.
  • the doorknob contact detection signal is on, it is determined whether the approach detection signal for the rear vehicle etc. is on (S4).
  • the LED unit 13 is caused to emit light in, for example, “blue” or “white” light alert mode (S5). Thereby, although a passenger needs to fully confirm the safety of the back, even if the door 2 is opened, it is safe.
  • the approach detection signal such as the rear vehicle is on
  • it is determined whether or not the door open detection signal is on (S6). If the door open detection signal is off, the LED unit 13 is caused to emit light in, for example, a “red” alerting mode in order to call attention when the passenger opens the door (S7). At this time, if the door open detection signal is ON, that is, if the passenger starts to open the door, the LED unit 13 blinks, for example, in “red” in order to draw sufficient attention. Light is emitted in the awakening mode (S8).
  • Example 2 As shown in the flowchart of FIG. 4, the light emission mode control of the second embodiment is different from the light emission mode control of the first embodiment in that S4 and S6 of the first embodiment are replaced. S4 is set to S16. Since the other steps are the same as those in the first embodiment, the same reference numerals are given and description thereof is omitted.
  • Example 3 The light emission mode control of the third embodiment is different from the flow chart of FIG. 5 in that step S2 in the light emission mode control of the second embodiment is omitted. Then, it is determined whether or not the door open detection signal is on (S14). When the door open detection signal is off, the LED unit 13 is caused to emit light by normal lighting (S3). Since the other points are the same as those of the second embodiment, the same reference numerals are given and description thereof is omitted.
  • the detection signal of at least one of the door open detection signal and the approach detection signal such as the rear vehicle is used as a trigger signal.
  • the light guide 11 provided on the inner surface of the door 2 on the passenger compartment side emits light, which may alert the passenger. it can.
  • the vehicle door opening notification illumination device 10 according to the embodiment when the passenger opens the door 2, the passenger 2 must be careful of the vehicle or pedestrian behind, and the door 2 is opened. Therefore, the safety of vehicles such as automobiles and pedestrians can be improved.
  • the light guide 11 when the detection signal that detects that the vehicle occupant has touched the door knob of the door 2 is input to the sub ECU 16, the light guide 11 is set to “blue” or “white”. The light guide 11 emits light only when the passenger touches the door knob. As a result, the passenger notices that he / she must pay more attention to the vehicle or pedestrian behind, and the safety of vehicles such as automobiles and pedestrians can be improved.
  • the light emitting part is formed by a rod-like or belt-like light guide 11 having one end connected to the light emitting element
  • the present invention is not limited thereto.
  • a plurality of light emitting elements such as LEDs can be arranged in series.
  • the bar-shaped, belt-shaped or serial light-emitting portion provided on the inner surface of the door 2 on the passenger compartment side emits light, the alerting effect can be further improved.
  • the light emission mode of the light guide 11 optically coupled to the LED unit 13 is changed depending on the color, light emission, blinking, and combinations thereof. Can be used properly. For example, the color of the light emitting part is divided, “red light emission” is classified as “warning”, “blue or white light emission” is “light warning”, “red flashing” is classified as “heavy warning”, etc. be able to. Furthermore, if the blinking speed of “red blinking” is increased according to the approaching speed or distance of the rear vehicle, it is possible to urge the passenger to further “heavy attention”.
  • Example 4-6 is an example in which the red LED is controlled by a light emission mode corresponding to a preset combination of trigger signals based on the same combination of trigger signals as in Example 1-3.
  • Example 4 As shown in the flowchart of FIG. 6, the fourth embodiment is different from the first embodiment in that the light emission mode of the first embodiment is “red light emission” and “flashing red”. Since it is the same as Example 1, description is abbreviate
  • Example 5 As shown in the flowchart of FIG. 7, the fifth embodiment is different from the second embodiment in that the light emission mode of the second embodiment is “red light emission” and “flashing red”. Since it is the same as Example 2, description is abbreviate
  • the sixth embodiment is different from the third embodiment in that the light emission mode of the third embodiment is “red light emission” and “red blinking”. Unlike the other embodiments 1 to 5, light is emitted in the normal illumination mode even when the IG detection signal is off. Since the other points are the same as those of the third embodiment, description thereof is omitted.
  • a vehicle door open notification illuminating device suitable for alerting a vehicle or a pedestrian behind when a passenger opens an outwardly opening door.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Lighting Device Outwards From Vehicle And Optical Signal (AREA)
  • Traffic Control Systems (AREA)

Abstract

A vehicle door-open warning illumination device (10) is provided with: a bar-like or band-like light guide member (11) extending from a cabin-side inner surface of an outer-opening door (2) of a vehicle to a side surface of a door rear portion, with an LED unit (13) optically connected to one end of the light guide member (11); and a sub-ECU (16) that causes the light guide member (11) to emit light. The sub-ECU (16) causes the light guide member (11) to emit red light when one of a door-open detection signal detecting the opening of the outer-opening door (2) or a detection signal detecting the approach of a vehicle or a pedestrian rearward of the subject vehicle is input. When both of the detection signals are input, the sub-ECU (16) causes the light guide member (11) to emit blinking red light.

Description

車輌ドア開報知照明装置Vehicle door open notification lighting device
　本発明は、車輌ドア開報知用の照明装置に係り、特に自動車等の車輌の外開きドアを開くときに搭乗者に注意を促すとともに、後方の自転車等の軽車輌を含む車輌及び歩行者等の第三者に注意を促すのに好適な車輌ドア開報知照明装置に関する。 The present invention relates to a lighting device for vehicle door opening notification, and in particular, alerts passengers when opening an exterior door of a vehicle such as an automobile, and also includes a vehicle including a light vehicle such as a rear bicycle and a pedestrian. The present invention relates to a vehicle door open notification illumination device suitable for alerting a third party.
　自動車等の車輌の安全性を向上するために、後方の他の自動車等の車輌の接近あるいは進路変更に伴う前方の車輌の接近をレーザセンサ等により検知して、自車輌の車室内の照明装置を点灯又は点滅して運転者等に知らせる接近報知装置が提案されている（特許文献１参照）。接近報知装置に用いる車室内の照明装置には、ルームランプ、読書ランプ、フロントドアカーテシランプ、フロント足元ランプ、等が提案されている。これによれば、自車輌の運転者等に注意を促して安全性を向上できる。しかし、特許文献１の接近報知装置では、外開きドアを開くときに後方の自転車等の軽車輌を含む車輌や歩行者等の第三者に報知することは配慮されていない。 In order to improve the safety of a vehicle such as an automobile, an illumination device for the interior of the vehicle of the own vehicle is detected by detecting, for example, a laser sensor or the like when a vehicle such as another automobile behind is approaching or approaching a vehicle when the route is changed. An approach notification device has been proposed that lights or blinks to notify the driver or the like (see Patent Document 1). Room lamps, reading lamps, front door courtesy lamps, front foot lamps, and the like have been proposed as lighting devices in the vehicle interior used for the approach notification device. According to this, safety can be improved by alerting the driver or the like of the own vehicle. However, in the approach notification device of Patent Document 1, it is not considered to notify a third party such as a vehicle or a pedestrian including a light vehicle such as a rear bicycle when the outside door is opened.
　一方、外開きドアを開くことを後方の車輌に知らせるために、ドアの後側面、つまりドアの厚み部分の高さ方向に複数の発光素子を並べて設け、複数の発光素子を点滅制御することにより、残像効果を利用してドアの開く方向を示す矢印などの図案を発光表示させる照明装置が提案されている（特許文献２参照）。この照明装置によれば、後方車輌に報知して注意を促すことができる。また、特許文献３には、後方車輌に報知して注意を促すために、ドアの後側面にＬＥＤランプを埋め込んで、ドアを開けた際にＬＥＤランプを点灯させることが提案されている。 On the other hand, in order to notify the vehicle behind the door that the door is opened, a plurality of light emitting elements are arranged side by side in the height direction of the rear side of the door, that is, the thickness portion of the door, and the plurality of light emitting elements are controlled to blink. In addition, there has been proposed an illuminating device that displays a light such as an arrow indicating a door opening direction by using an afterimage effect (see Patent Document 2). According to this illuminating device, it is possible to alert the rear vehicle and call attention. Patent Document 3 proposes that an LED lamp is embedded in the rear side surface of a door and the LED lamp is turned on when the door is opened in order to notify the rear vehicle and call attention.
特開２００８－２９９７７９号公報(JP 2008-299779 A)JP 2008-29979A (JP 2008-299779 A) 特開２０１０－１６７９８４号公報(JP 2010-167984 A)JP 2010-167984 A (JP 2010-167984 A) 特開２００５－８２１２７号公報(JP 2005-082127 A)JP 2005-82127 A (JP２００2005-082127 A)
　しかし、特許文献１～３の照明装置は、いずれも外開きドアを開く搭乗者に注意を促すこと、つまり外開きドアを開くときに、搭乗者に対して後方の車輌又は歩行者等に注意して開くことを報知することについては考慮されていない。 However, all of the lighting devices of Patent Documents 1 to 3 call attention to the passenger who opens the opening door, that is, pay attention to the vehicle or pedestrian behind the passenger when opening the opening door. It is not taken into consideration to notify the opening.
　本発明が解決しようとする課題は、搭乗者が車輌の外開きドアを開く際に、後方の車輌又は歩行者等に注意を促すのに好適な車輌ドア開報知照明装置を提供することにある。 The problem to be solved by the present invention is to provide a vehicle door open notification illumination device suitable for alerting a vehicle or a pedestrian behind when a passenger opens an exterior door of a vehicle. .
　上記の課題を解決するため、本発明の態様に係る車輌ドア開報知照明装置は、車輌の外開きドアの車室側の内面とドア後部の側面にわたって設けられた棒状又は帯状の発光可能な発光部と、発光部の発光を制御するための制御部とを備える。制御部は、外開きドアが開かれたことを検知するドア開検知信号と自車輌の後方に車輌又は歩行者が接近したことを感知した後方車等接近検知信号とのいずれか一方の検知信号が入力されたときには、発光部を第１の発光モードで発光させ、ドア開検知信号と後方車等接近検知信号との両方の検知信号が入力されたときには、発光部を第２の発光モードで発光させる。ここで、第２の発光モードは、第１の発光モードよりも注意喚起力がより高い発光モードとする。 In order to solve the above-described problems, a vehicle door open notification illumination device according to an aspect of the present invention is a bar-shaped or belt-shaped light emitting device that is provided over the inner surface of the exterior door of the vehicle and the side surface of the rear portion of the door. And a control unit for controlling light emission of the light emitting unit. The control unit detects either one of a door open detection signal for detecting that the outer door is opened and an approach detection signal for a rear vehicle or the like that senses that a vehicle or a pedestrian has approached behind the host vehicle. Is input, the light emitting unit is caused to emit light in the first light emission mode, and when both the door open detection signal and the approach detection signal such as the rear vehicle are input, the light emitting unit is set in the second light emission mode. Make it emit light. Here, the second light emission mode is a light emission mode having a higher alerting power than the first light emission mode.
　このような構成により、ドア開の検知信号と後方車等接近検知信号の少なくとも一方の検知信号をトリガ信号として、搭乗者が外開きドアを開こうとしたとき、又は開き始めたときに、外開きドアの車室側の内面に設けられた発光部が発光するため、車室内にいる搭乗者の注意を喚起することができる。その結果、搭乗者がドアを開くときに、後方の車輌又は歩行者等に注意すべきであることを思い出して、ドアの開け方を加減することができ、自動車等の車輌や歩行者の安全性を向上することができる。 With such a configuration, when at least one of the door open detection signal and the rear vehicle approach detection signal is used as a trigger signal, when the occupant attempts to open the door or starts to open, Since the light emitting portion provided on the inner surface of the hinged door on the passenger compartment side emits light, it is possible to alert the passenger in the passenger compartment. As a result, when the passenger opens the door, he / she remembers that he / she should pay attention to the vehicle or pedestrian behind him, so he / she can adjust how the door is opened, and the safety of the vehicle / pedestrian Can be improved.
　制御部は、車輌の搭乗者が外開きドアのドアノブに接触したことを検知したドアノブ接触検知信号が入力されたときには、発光部を第３の発光モードで発光させてもよい。これによれば、搭乗者がドアを開く前に、ドアノブに触れただけで車室側の内面に設けられた発光部が発光するから、搭乗者は一層余裕を持って後方の車輌又は歩行者等に注意しなければならないことに気付き、自動車等の車輌や歩行者の安全性を向上することができる。なお、第3の発光モードは、第1の発光モードと注意喚起が同じか又はより低い発光モードとする。 The control unit may cause the light emitting unit to emit light in the third light emission mode when a door knob contact detection signal that detects that a vehicle occupant has touched the door knob of the outward opening door is input. According to this, since the light emitting portion provided on the inner surface of the passenger compartment side emits light just by touching the door knob before the passenger opens the door, the passenger has more room for the rear vehicle or pedestrian. This makes it possible to improve the safety of vehicles such as automobiles and pedestrians. Note that the third light emission mode is a light emission mode in which the alerting is the same as or lower than the first light emission mode.
　発光部は、一端が発光素子に連結された棒状又は帯状の導光体で形成すること、又は複数の発光素子を直状に配列して形成されていてもよい。これによれば、ドアの車室側の内面に伸延して設けられた棒状又は帯状あるいは直状の発光部が発光するので、注意喚起効果を一層向上できる。 The light-emitting portion may be formed by a rod-shaped or strip-shaped light guide having one end connected to the light-emitting element, or may be formed by arranging a plurality of light-emitting elements in a straight line. According to this, since the bar-shaped or belt-shaped or straight light-emitting portion provided to extend on the inner surface of the door on the passenger compartment side emits light, the alerting effect can be further improved.
　第１の発光モードと第２の発光モードと第３の発光モードとは、発光部の色、点滅、点滅スピード、及びこれらの組合せにより、動作を異ならせてもよい。例えば、「赤で発光」の場合は「注意喚起」、「青又は白で発光」の場合は「軽注意喚起」とし、「赤で点滅」の場合は「重注意喚起」等に区別することができる。さらに、後方車輌の接近速度又は距離に応じて「赤の点滅」の点滅スピードを速くすることにより、搭乗者にさらに強い「重注意喚起」を促すことができる。 The operation of the first light emission mode, the second light emission mode, and the third light emission mode may be different depending on the color of the light emitting unit, blinking, blinking speed, and combinations thereof. For example, “red light” indicates “warning”, “blue or white light” indicates “light alert”, and “red flash” indicates “heavy attention”. Can do. Furthermore, by increasing the flashing speed of “red flashing” in accordance with the approaching speed or distance of the rear vehicle, it is possible to prompt the passenger to further “heavy attention”.
　なお、シートベルトと連動させて、搭乗者が乗車している側の外開きドアの発光部のみを発光させるようにすることができる。 It should be noted that only the light emitting portion of the outer opening door on the side on which the passenger is riding can be made to emit light in conjunction with the seat belt.
　本発明の態様によれば、搭乗者が外開きドアを開く際に、後方の車輌又は歩行者等に注意を促すのに好適な車輌ドア開報知照明装置を提供することができる。 According to the aspect of the present invention, it is possible to provide a vehicle door open notification illumination device that is suitable for alerting the vehicle or pedestrian behind when the passenger opens the door.
図１（ａ）、１（ｂ）は、実施形態に係る車輌ドア開報知照明装置の外観構成図である。Drawing 1 (a) and 1 (b) are appearance lineblock diagrams of a vehicle door open notification lighting device concerning an embodiment. 図２は、実施形態に係る車輌ドア開報知照明装置の制御部の系統構成図である。FIG. 2 is a system configuration diagram of a control unit of the vehicle door open notification illumination device according to the embodiment. 図３は、制御部の発光モードの実施例１を示すフローチャートである。FIG. 3 is a flowchart illustrating Example 1 of the light emission mode of the control unit. 図４は、制御部の発光モードの実施例２を示すフローチャートである。FIG. 4 is a flowchart illustrating Example 2 of the light emission mode of the control unit. 図５は、制御部の発光モードの実施例３を示すフローチャートである。FIG. 5 is a flowchart showing Example 3 of the light emission mode of the control unit. 図６は、制御部の発光モードの実施例４を示すフローチャートである。FIG. 6 is a flowchart illustrating Example 4 of the light emission mode of the control unit. 図７は、制御部の発光モードの実施例５を示すフローチャートである。FIG. 7 is a flowchart illustrating Example 5 of the light emission mode of the control unit. 図８は、制御部の発光モードの実施例６を示すフローチャートである。FIG. 8 is a flowchart showing Example 6 of the light emission mode of the control unit.
　以下、実施形態に係る車輌ドア開報知照明装置について、図面に基づいて説明する。 Hereinafter, the vehicle door open notification illumination device according to the embodiment will be described with reference to the drawings.
　実施形態に係る車輌ドア開報知照明装置１０は、自動車１の左右前後の外開きドアに設けられるが、図示及び説明を簡単にするために、図１（ａ）に示すように、進行方向右側の外開きドア２に取り付けられた車輌ドア開報知照明装置１０を例に説明する。図１（ａ）において、外開きドア（以下、適宜、ドアと略す）２は開かれた状態が示されている。車輌ドア開報知照明装置１０は、図１（ｂ）に示すように、棒状又は帯状の発光部である導光体１１と、導光体１１の前側の一端に接続された光接続部１２と、光接続部１２に光結合された発光素子であるＬＥＤユニット１３とを備える。 The vehicle door opening notification illumination device 10 according to the embodiment is provided on the left and right front doors of the automobile 1. However, in order to simplify the illustration and description, as shown in FIG. The vehicle door opening notification illumination device 10 attached to the outer opening door 2 will be described as an example. In FIG. 1A, an outwardly opening door (hereinafter, abbreviated as a door as appropriate) 2 is shown in an opened state. As shown in FIG. 1B, the vehicle door open notification illumination device 10 includes a light guide 11 that is a rod-like or strip-like light emitting part, and an optical connection part 12 connected to one end on the front side of the light guide 11. And an LED unit 13 which is a light emitting element optically coupled to the optical connecting portion 12.
　導光体１１は、ＬＥＤユニット１３から出射される光を一端から他端まで効率よく導くように形成されている。また、導光体１１は、ドア２の車室内側の内面に前側から後側にまで伸延され、ドア２の後側の側面である厚み部分３に折り曲げ形成された他端部１１ａを備えている。ＬＥＤユニット１３は、図２に示すように、赤（ＲＥＤ）、緑（ＧＲＥＥＮ）、青（ＢＬＵＥ）の３色のＬＥＤ１３ａ，１３ｂ，１３ｃと、各ＬＥＤ１３ａ，１３ｂ，１３ｃに並列接続されたツェナーダイオード１４ａ，１４ｂ，１４ｃと、各ＬＥＤ１３ａ，１３ｂ，１３ｃに直列接続された抵抗１５ａ，１５ｂ，１５ｃを備える。ＬＥＤユニット１３は、制御部であるサブＥＣＵ（electronic Control Unit）１６によって、発光色、点灯、消灯、点滅を制御可能に形成されている。すなわち、各ＬＥＤ１３ａ，１３ｂ，１３ｃのアノードは、サブＥＣＵ１６の電源＋Ｂに接続されている。各ＬＥＤ１３ａ，１３ｂ，１３ｃのカソードは、各抵抗１５ａ，１５ｂ，１５ｃを介して点灯信号がそれぞれ供給されている。サブＥＣＵ１６は、マイコンなどの演算処理装置、電源及びメモリ等を備える。サブＥＣＵ１６は、上位のメインＥＣＵ１７から各種情報（例えば、後述するトリガ信号）が入力されるようになっている。 The light guide 11 is formed so as to efficiently guide the light emitted from the LED unit 13 from one end to the other end. In addition, the light guide 11 includes an other end portion 11 a that extends from the front side to the rear side on the inner surface of the door 2 on the vehicle interior side and is bent at a thickness portion 3 that is a rear side surface of the door 2. Yes. As shown in FIG. 2, the LED unit 13 includes red (RED), green (GREEN), and blue (BLUE) LEDs 13a, 13b, and 13c, and Zener diodes connected in parallel to the LEDs 13a, 13b, and 13c. 14a, 14b, 14c and resistors 15a, 15b, 15c connected in series to the LEDs 13a, 13b, 13c. The LED unit 13 is formed so that the emission color, lighting, extinguishing, and blinking can be controlled by a sub ECU (electronic control unit) 16 that is a control unit. That is, the anodes of the LEDs 13a, 13b, and 13c are connected to the power source + B of the sub ECU 16. Lighting signals are supplied to the cathodes of the LEDs 13a, 13b, and 13c through the resistors 15a, 15b, and 15c, respectively. The sub ECU 16 includes an arithmetic processing unit such as a microcomputer, a power source, a memory, and the like. Various information (for example, a trigger signal described later) is input to the sub ECU 16 from the upper main ECU 17.
　トリガ信号は、ＬＥＤユニット１３を点灯させるきっかけとなる信号である。実施形態に係る車輌ドア開報知照明装置１０では、トリガ信号は、外開きドア２が開かれたことを検知するドア開閉検知装置（不図示）から出力されるドア開検知信号と、自車輌の後方に車輌又は歩行者が接近したことを感知する後方感知装置（不図示）から出力される後方車等接近検知信号と、搭乗者が外開きドア２のドアノブに接触したことを検知するドアノブ接触検知装置（不図示）から出力されるドアノブ接触検知信号、及びイグニッションキーがオン状態にあることを検知するイグニッション検知信号が含まれる。サブＥＣＵ１６は、メインＥＣＵ１７から入力されるトリガ信号の組合せにより、予め設定された発光モードでＬＥＤユニット１３を点灯、点滅、消灯するとともに、発光色を制御するようになっている。 The trigger signal is a signal that triggers the LED unit 13 to light up. In the vehicle door open notification illumination device 10 according to the embodiment, the trigger signal includes a door open detection signal output from a door open / close detection device (not shown) that detects that the outer door 2 has been opened, A rear vehicle approach detection signal output from a rear sensing device (not shown) that senses that a vehicle or a pedestrian has approached behind, and a door knob contact that detects that a passenger has touched the door knob of the outer door 2 A door knob contact detection signal output from a detection device (not shown) and an ignition detection signal for detecting that the ignition key is in the ON state are included. The sub ECU 16 is configured to turn on, blink, and turn off the LED unit 13 in a preset light emission mode and to control the light emission color in accordance with a combination of trigger signals input from the main ECU 17.
　次に、ＬＥＤユニット１３を制御するサブＥＣＵ１６の具体的な制御例を実施例１－６に分けて説明する。実施例１－３は、マルチカラーのＬＥＤユニット１３を備えた車輌ドア開報知照明装置１０において、トリガ信号の組合せに基づいて、予め設定された発光モードによりＬＥＤユニット１３を制御する例である。 Next, a specific control example of the sub ECU 16 that controls the LED unit 13 will be described by dividing it into Example 1-6. Example 1-3 is an example of controlling the LED unit 13 in a preset light emission mode based on a combination of trigger signals in the vehicle door open notification illumination device 10 including the multi-color LED unit 13.
　（実施例１）
　実施例１の発光モード制御のフローチャートを図３に示す。サブＥＣＵ１６の発光モード制御をスタートすると、入力されるイグニッション信号ＩＧがオンか否か判断し（Ｓ１）、オンであればドアノブ接触検知信号がオンか否か判断する（Ｓ２）。ドアノブ接触検知信号がオフであれば、予め設定された通常の電飾（イルミネーション）によりＬＥＤユニット１３を発光させる（Ｓ３）。通常の電飾で発光とは、例えば、電飾を目的としてＬＥＤユニット１３を発光させるモードであり、注意喚起とは異なる発光モードである。ドアノブ接触検知信号がオンのときは、後方車等接近検知信号がオンか否か判断する（Ｓ４）。後方車等接近検知信号がオフであれば、比較的安全であるから、ＬＥＤユニット１３を、例えば、「青色」又は「白色」の軽注意喚起モードで発光させる（Ｓ５）。これにより、搭乗者は、後方の安全を十分に確認する必要はあるが、ドア２を開いても安全である。 Example 1
A flowchart of the light emission mode control of Example 1 is shown in FIG. When the light emission mode control of the sub ECU 16 is started, it is determined whether or not the input ignition signal IG is on (S1). If it is on, it is determined whether or not the doorknob contact detection signal is on (S2). If the doorknob contact detection signal is off, the LED unit 13 is caused to emit light by normal illumination set in advance (S3). For example, light emission by normal electric decoration is a mode in which the LED unit 13 emits light for the purpose of electric decoration, and is a light emission mode different from alerting. When the doorknob contact detection signal is on, it is determined whether the approach detection signal for the rear vehicle etc. is on (S4). If the approach detection signal such as the rear vehicle is off, it is relatively safe, and the LED unit 13 is caused to emit light in, for example, “blue” or “white” light alert mode (S5). Thereby, although a passenger needs to fully confirm the safety of the back, even if the door 2 is opened, it is safe.
　一方、後方車等接近検知信号がオンであれば、ドア開検知信号がオンか否かを判断する（Ｓ６）。ドア開検知信号がオフの場合は、搭乗者がドアを開く場合の注意を喚起するために、ＬＥＤユニット１３を、例えば、「赤色」の注意喚起モードで発光させる（Ｓ７）。このとき、ドア開検知信号がオンであれば、すなわち、搭乗者がドアを開き始めた場合は、十分な注意を喚起するために、ＬＥＤユニット１３を、例えば、「赤色」で点滅させる重注意喚起モードで発光させる（Ｓ８）。 On the other hand, if the approach detection signal such as the rear vehicle is on, it is determined whether or not the door open detection signal is on (S6). If the door open detection signal is off, the LED unit 13 is caused to emit light in, for example, a “red” alerting mode in order to call attention when the passenger opens the door (S7). At this time, if the door open detection signal is ON, that is, if the passenger starts to open the door, the LED unit 13 blinks, for example, in “red” in order to draw sufficient attention. Light is emitted in the awakening mode (S8).
　（実施例２）
　実施例２の発光モード制御は、図４のフローチャートに示すように、実施例１の発光モード制御と相違する点は、実施例１のＳ４、Ｓ６とを入れ替えたことにあり、Ｓ６をＳ１４，Ｓ４をＳ１６としている。その他のステップは、実施例１と同一であることから、同一の符号を付して説明を省略する。 (Example 2)
As shown in the flowchart of FIG. 4, the light emission mode control of the second embodiment is different from the light emission mode control of the first embodiment in that S4 and S6 of the first embodiment are replaced. S4 is set to S16. Since the other steps are the same as those in the first embodiment, the same reference numerals are given and description thereof is omitted.
　（実施例３）
　実施例３の発光モード制御は、図５のフローチャートに示すように、実施例２の発光モード制御におけるステップＳ２を省略したことが相違する。そして、ドア開検知信号がオンか否かを判断して（Ｓ１４）、ドア開検知信号がオフの場合は、通常の電飾によりＬＥＤユニット１３を発光させる（Ｓ３）ことが相違する。その他の点は、実施例２と同一であることから、同一の符号を付して説明を省略する。 Example 3
The light emission mode control of the third embodiment is different from the flow chart of FIG. 5 in that step S2 in the light emission mode control of the second embodiment is omitted. Then, it is determined whether or not the door open detection signal is on (S14). When the door open detection signal is off, the LED unit 13 is caused to emit light by normal lighting (S3). Since the other points are the same as those of the second embodiment, the same reference numerals are given and description thereof is omitted.
　以上説明したように、実施形態に係る車輌ドア開報知照明装置１０において、実施例１－３のいずれにおいても、ドア開検知信号と後方車等接近検知信号の少なくとも一方の検知信号をトリガ信号として、搭乗者がドア２を開こうとしたとき、又は開き始めたときに、ドア２の車室側の内面に設けられた導光体１１が発光するから、搭乗者の注意を喚起することができる。その結果、実施形態に係る車輌ドア開報知照明装置１０によれば、搭乗者がドア２を開くときに、後方の車輌又は歩行者等に注意しなければならないことを思い出して、ドア２の開け方を加減することができ、自動車等の車輌や歩行者の安全性を向上することができる。 As described above, in the vehicle door open notification illumination device 10 according to the embodiment, in any of Examples 1-3, the detection signal of at least one of the door open detection signal and the approach detection signal such as the rear vehicle is used as a trigger signal. When the passenger tries to open or starts to open the door 2, the light guide 11 provided on the inner surface of the door 2 on the passenger compartment side emits light, which may alert the passenger. it can. As a result, according to the vehicle door opening notification illumination device 10 according to the embodiment, when the passenger opens the door 2, the passenger 2 must be careful of the vehicle or pedestrian behind, and the door 2 is opened. Therefore, the safety of vehicles such as automobiles and pedestrians can be improved.
　また、実施例１，２によれば、車輌の搭乗者がドア２のドアノブに接触したことを検知した検知信号がサブＥＣＵ１６に入力されたとき、導光体１１を「青」又は「白」の発光モードで発光させるから、搭乗者がドアノブに触れただけで導光体１１が発光する。その結果、搭乗者は一層余裕を持って後方の車輌又は歩行者等に注意しなければならないことに気付き、自動車等の車輌や歩行者の安全性を向上することができる。 Further, according to the first and second embodiments, when the detection signal that detects that the vehicle occupant has touched the door knob of the door 2 is input to the sub ECU 16, the light guide 11 is set to “blue” or “white”. The light guide 11 emits light only when the passenger touches the door knob. As a result, the passenger notices that he / she must pay more attention to the vehicle or pedestrian behind, and the safety of vehicles such as automobiles and pedestrians can be improved.
　なお、実施形態に係る車輌ドア開報知照明装置１０では、発光部を一端が発光素子に連結された棒状又は帯状の導光体１１で形成する例を示したが、これには限定されず、例えば、複数のＬＥＤ等の発光素子を直列状に配列して形成することができる。いずれにしても、ドア２の車室側の内面に設けられた棒状又は帯状あるいは直列状の発光部が発光するので、注意喚起効果を一層向上できる。 In the vehicle door open notification illumination device 10 according to the embodiment, an example in which the light emitting part is formed by a rod-like or belt-like light guide 11 having one end connected to the light emitting element is shown, but the present invention is not limited thereto. For example, a plurality of light emitting elements such as LEDs can be arranged in series. In any case, since the bar-shaped, belt-shaped or serial light-emitting portion provided on the inner surface of the door 2 on the passenger compartment side emits light, the alerting effect can be further improved.
　さらに、実施例１，２において、ＬＥＤユニット１３に光結合された導光体１１の発光モードを、色、発光、点滅、及びこれらの組合せにより異ならせたことから、注意喚起の重要度に応じて使い分けすることができる。例えば、発光部の色を分け、「赤の発光」は「注意喚起」、「青又は白の発光」は「軽注意喚起」とし、「赤の点滅」は「重注意喚起」等に区別することができる。さらに、後方車輌の接近速度又は距離に応じて「赤の点滅」の点滅スピードを速くするようにすれば、搭乗者に対してさらに強い「重注意喚起」を促すことができる。 Further, in the first and second embodiments, the light emission mode of the light guide 11 optically coupled to the LED unit 13 is changed depending on the color, light emission, blinking, and combinations thereof. Can be used properly. For example, the color of the light emitting part is divided, “red light emission” is classified as “warning”, “blue or white light emission” is “light warning”, “red flashing” is classified as “heavy warning”, etc. be able to. Furthermore, if the blinking speed of “red blinking” is increased according to the approaching speed or distance of the rear vehicle, it is possible to urge the passenger to further “heavy attention”.
　次に、実施形態に係る車輌ドア開報知照明装置１０のＬＥＤユニット１３を単色（赤色）のＬＥＤに変えた場合のサブＥＣＵ１６の具体的な発光モード制御例を実施例４―６の発光モードに分けて説明する。実施例４―６は、実施例１－３と同様のトリガ信号の組合せに基づいて、予め設定されたトリガ信号の組合せに応じた発光モードにより赤色ＬＥＤを制御する例である。 Next, a specific light emission mode control example of the sub ECU 16 when the LED unit 13 of the vehicle door open notification illumination device 10 according to the embodiment is changed to a single color (red) LED is changed to the light emission mode of Example 4-6. Separately described. Example 4-6 is an example in which the red LED is controlled by a light emission mode corresponding to a preset combination of trigger signals based on the same combination of trigger signals as in Example 1-3.
　（実施例４）
　実施例４は、図６のフローチャートに示すように、実施例１の発光モードを「赤で発光」と「赤で点滅」を使い分けるようにした点が異なるだけであり、その他の点は、実施例１と同一であることから、説明を省略する。 Example 4
As shown in the flowchart of FIG. 6, the fourth embodiment is different from the first embodiment in that the light emission mode of the first embodiment is “red light emission” and “flashing red”. Since it is the same as Example 1, description is abbreviate | omitted.
　（実施例５）
　実施例５は、図７のフローチャートに示すように、実施例２の発光モードを「赤で発光」と「赤で点滅」を使い分けるようにした点が異なるだけであり、その他の点は、実施例２と同一であることから、説明を省略する。 (Example 5)
As shown in the flowchart of FIG. 7, the fifth embodiment is different from the second embodiment in that the light emission mode of the second embodiment is “red light emission” and “flashing red”. Since it is the same as Example 2, description is abbreviate | omitted.
　（実施例６）
　実施例６は、図８のフローチャートに示すように、実施例３の発光モードを「赤で発光」と「赤で点滅」を使い分けるようにした点が異なる。また、他の実施例1～５とは異なり、ＩＧ検知信号がオフのときでも通常イルミモードで発光させるようにしている。その他の点は、実施例３と同一であることから、説明を省略する。 (Example 6)
As shown in the flowchart of FIG. 8, the sixth embodiment is different from the third embodiment in that the light emission mode of the third embodiment is “red light emission” and “red blinking”. Unlike the other embodiments 1 to 5, light is emitted in the normal illumination mode even when the IG detection signal is off. Since the other points are the same as those of the third embodiment, description thereof is omitted.
　以上、本発明を一実施形態及び実施例に基づいて説明したが、本発明はこれらに限定されるものではなく、本発明の主旨の範囲で変形又は変更された形態で実施することが可能であり、そのような変形又は変更された形態は本願の特許請求の範囲に属する。例えば、シートベルトと連動させて、搭乗者が乗車している側の外開きドア２の導光体１１のみを発光させるようにすることができる。 As mentioned above, although this invention was demonstrated based on one Embodiment and an Example, this invention is not limited to these, It is possible to implement in the form changed or changed in the range of the main point of this invention. Such modifications or variations are within the scope of the claims of this application. For example, in conjunction with the seat belt, only the light guide 11 of the outer opening door 2 on the side on which the passenger is on can be caused to emit light.
　本発明によれば、搭乗者が外開きドアを開く際に、後方の車輌又は歩行者等に注意を促すのに好適な車輌ドア開報知照明装置を提供することができる。 According to the present invention, it is possible to provide a vehicle door open notification illuminating device suitable for alerting a vehicle or a pedestrian behind when a passenger opens an outwardly opening door.

Claims (4)

  1. 　車輌ドア開報知照明装置であって、
    　車輌の外開きドアの車室側の内面とドア後部の側面にわたって設けられた棒状又は帯状の発光可能な発光部と、
    　前記発光部の発光を制御するための制御部と
    を備え、
    　前記制御部は、前記外開きドアが開かれたことを検知するドア開検知信号と自車輌の後方に車輌又は歩行者が接近したことを感知した後方車等接近検知信号とのいずれか一方の検知信号が入力されたときには、前記発光部を第１の発光モードで発光させ、前記ドア開検知信号と前記後方車等接近検知信号との両方の検知信号が入力されたときには、前記発光部を第２の発光モードで発光させる
    ことを特徴とする車輌ドア開報知照明装置。     A vehicle door open notification lighting device,
    A light-emitting section that can emit light in the form of a rod or strip provided over the inner surface of the vehicle exterior side of the exterior door of the vehicle and the side surface of the rear of the door;
    A control unit for controlling the light emission of the light emitting unit,
    The control unit is either one of a door open detection signal for detecting that the outer opening door is opened and an approach detection signal for a rear vehicle that senses that a vehicle or a pedestrian has approached behind the host vehicle. When a detection signal is input, the light emitting unit is caused to emit light in the first light emission mode, and when both the door open detection signal and the rear vehicle approach detection signal are input, the light emitting unit is turned on. A vehicle door open notification illuminating device that emits light in a second light emission mode.
  2. 　請求項１に記載の車輌ドア開報知照明装置であって、
    　前記制御部は、前記車輌の搭乗者が前記外開きドアのドアノブに接触したことを検知したドアノブ接触検知信号が入力されたときには、前記発光部を第３の発光モードで発光させる
    ことを特徴とする車輌ドア開報知照明装置。     The vehicle door open notification illumination device according to claim 1,
    The control unit causes the light-emitting unit to emit light in a third light-emitting mode when a door knob contact detection signal that detects that a vehicle occupant has contacted the door knob of the exterior door is input. A vehicle door open notification illumination device.
  3. 　請求項１に記載の車輌ドア開報知照明装置であって、
    　前記発光部は、一端が発光素子に連結された棒状又は帯状の導光体で形成されている
    ことを特徴とする車輌ドア開報知照明装置。     The vehicle door open notification illumination device according to claim 1,
    The light emitting portion is formed of a rod-shaped or belt-shaped light guide body, one end of which is connected to a light emitting element.
  4. 　　請求項２に記載の車輌ドア開報知照明装置であって、
    　前記第１の発光モードと前記第２の発光モードと前記第３の発光モードとは、前記発光部の色、点滅、点滅スピード、及びこれらの組合せにより動作を異ならせる
    ことを特徴とする車輌ドア開報知照明装置。     The vehicle door open notification illumination device according to claim 2,
    The vehicle door characterized in that the first light-emitting mode, the second light-emitting mode, and the third light-emitting mode have different operations depending on the color of the light-emitting portion, blinking, blinking speed, and combinations thereof. Open notification lighting device.
PCT/JP2014/071643 2013-08-22 2014-08-19 Vehicle door-open warning illumination device WO2015025841A1 (en)

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