WO2023090426A1 - Lampe de personnel et lampe de véhicule - Google Patents

Lampe de personnel et lampe de véhicule Download PDF

Info

Publication number
WO2023090426A1
WO2023090426A1 PCT/JP2022/042872 JP2022042872W WO2023090426A1 WO 2023090426 A1 WO2023090426 A1 WO 2023090426A1 JP 2022042872 W JP2022042872 W JP 2022042872W WO 2023090426 A1 WO2023090426 A1 WO 2023090426A1
Authority
WO
WIPO (PCT)
Prior art keywords
lamp
light
vehicle
light source
interpersonal
Prior art date
Application number
PCT/JP2022/042872
Other languages
English (en)
Japanese (ja)
Inventor
裕一 柴田
Original Assignee
株式会社小糸製作所
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 株式会社小糸製作所 filed Critical 株式会社小糸製作所
Publication of WO2023090426A1 publication Critical patent/WO2023090426A1/fr

Links

Images

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60Q—ARRANGEMENT OF SIGNALLING OR LIGHTING DEVICES, THE MOUNTING OR SUPPORTING THEREOF OR CIRCUITS THEREFOR, FOR VEHICLES IN GENERAL
    • B60Q1/00—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor
    • B60Q1/02—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to illuminate the way ahead or to illuminate other areas of way or environments
    • B60Q1/24—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to illuminate the way ahead or to illuminate other areas of way or environments for lighting other areas than only the way ahead
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S41/00—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps
    • F21S41/10—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by the light source
    • F21S41/12—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by the light source characterised by the type of emitted light
    • F21S41/125—Coloured light
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21W—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO USES OR APPLICATIONS OF LIGHTING DEVICES OR SYSTEMS
    • F21W2102/00—Exterior vehicle lighting devices for illuminating purposes
    • F21W2102/10—Arrangement or contour of the emitted light
    • F21W2102/17—Arrangement or contour of the emitted light for regions other than high beam or low beam
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21W—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO USES OR APPLICATIONS OF LIGHTING DEVICES OR SYSTEMS
    • F21W2103/00—Exterior vehicle lighting devices for signalling purposes
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21W—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO USES OR APPLICATIONS OF LIGHTING DEVICES OR SYSTEMS
    • F21W2103/00—Exterior vehicle lighting devices for signalling purposes
    • F21W2103/35—Brake lights
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21W—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO USES OR APPLICATIONS OF LIGHTING DEVICES OR SYSTEMS
    • F21W2103/00—Exterior vehicle lighting devices for signalling purposes
    • F21W2103/60—Projection of signs from lighting devices, e.g. symbols or information being projected onto the road

Definitions

  • the present disclosure relates to an interpersonal lamp.
  • the present disclosure also relates to vehicular lamps.
  • Patent Document 1 A vehicle lamp described in Patent Document 1 is known.
  • the purpose of the vehicle lamp disclosed in Patent Document 1 is to irradiate pedestrians on the road with light to call attention to them.
  • Such vehicle lamps can notify pedestrians of the presence of the vehicle by illuminating the road surface or the like in front of the vehicle, for example.
  • An object of the present disclosure is to provide a pedestrian lamp and a vehicle lamp that support smooth traffic.
  • An interpersonal lamp includes: At a distance of 3 m from the light source, light of a color represented by y ⁇ 0.26x+0.1829 in the xy chromaticity diagram is irradiated.
  • the light in the region represented by the xy chromaticity region y ⁇ 0.26x+0.1829 is mixed red and blue light.
  • Red light has a high spectral reflectance with respect to human skin. Therefore, when pedestrians around the vehicle are irradiated with light of colors including red, the light reflected from the pedestrians becomes stronger.
  • mixing red light with blue light makes it easier for the human eye to distinguish between objects.
  • the anti-personnel lamp having the above configuration irradiates light that has a high reflection intensity from pedestrians around the vehicle and that makes it easy for pedestrians to be identified. Therefore, it is possible to reduce the glare given to the pedestrian by suppressing the intensity of the light irradiated to the pedestrian. For this reason, the pedestrian lamp having the above configuration can assist smooth traffic.
  • FIG. 1 illustrates how a vehicle lamp and an interpersonal lamp according to the present embodiment irradiate light.
  • FIG. 2 is an xy chromaticity diagram for explaining the color of light emitted by the personal lamp.
  • FIG. 3 is a view of a vehicle headlamp and a road surface drawing lamp mounted on the vehicle irradiating light, as viewed from the right side of the vehicle.
  • FIG. 4 is a view of the light emitted from the personal lamp according to the present embodiment, as viewed from the right side of the vehicle.
  • FIG. 5 is a view of the light emitted from the interpersonal lamp according to the present embodiment, as viewed from the right side of the vehicle.
  • FIG. 6 is a block configuration diagram showing the relationship between the personal lamp and its peripheral devices according to the present embodiment.
  • FIG. 7 illustrates an example of an optical system of an interpersonal lamp according to this embodiment.
  • FIG. 8 illustrates a modification in which one light source emits mixed red and blue light.
  • FIG. 9 illustrates another example of an optical system in the case where a vehicle tail lamp or a vehicle brake lamp is provided with an interpersonal lamp.
  • FIG. 10 illustrates the experimental results of Experiment 1.
  • FIG. 11 illustrates the experimental results of Experiment 2.
  • FIG. 12 illustrates the experimental results of Experiment 3.
  • the terms “left-right direction”, “front-rear direction”, and “vertical direction” will be referred to as appropriate.
  • the “vertical direction” is a direction including the “upward direction” and the “downward direction”.
  • “Fore-and-aft direction” is a direction that includes “forward direction” and “rearward direction.”
  • a “left-right direction” is a direction including a "left direction” and a “right direction.”
  • Reference numeral U shown in the drawings described below indicates an upward direction.
  • Symbol D indicates the downward direction.
  • Symbol F indicates the forward direction.
  • Symbol B indicates the rearward direction.
  • Symbol L indicates the left direction.
  • the symbol R indicates the right direction.
  • FIG. 1 illustrates how a vehicle lamp 10 and an interpersonal lamp 20 according to the present embodiment irradiate light.
  • the vehicle lamp 10 in this embodiment is a general term for lamps including vehicle head lamps, vehicle rear combination lamps, vehicle tail lamps, vehicle brake lamps, and the like.
  • a vehicle lamp 10 (so-called vehicle headlamp) provided in front of the vehicle 100 includes a headlight lamp that emits low beam and high beam, a road drawing lamp, and an interpersonal lamp 20 .
  • Vehicle lamps 10 (so-called vehicle rear combination lamps) provided behind the vehicle 100 include a vehicle tail lamp capable of emitting red light to the rear vehicle, a vehicle brake lamp, a road drawing lamp, and an interpersonal lamp 20. Prepare.
  • the vehicle lamps 10 according to this embodiment are provided on the left side and the right side of the vehicle 100, respectively.
  • personal lamps 20 are provided on both sides of the vehicle 100, respectively. Therefore, the interpersonal lamp 20 provided on the left side of the vehicle 100 is sometimes called the left interpersonal lamp 20L, and the interpersonal lamp 20 provided on the right side of the vehicle 100 is sometimes called the right interpersonal lamp 20R.
  • the road surface drawing lamp is a lamp that irradiates the road surface with a road surface drawing pattern P indicating the own vehicle information and the like in order to notify the pedestrian 1 and the like of the presence of the vehicle 100 .
  • the interpersonal lamp 20 is a lamp that directly irradiates the pedestrian 1 and the like with light. A user who operates the vehicle 100 can recognize the existence of the pedestrian 1 or the like by seeing the light emitted by the interpersonal lamp 20 and reflected by the pedestrian 1 or the like.
  • the term "pedestrian” does not necessarily represent only a person who is walking.
  • a “pedestrian” can represent any person on the road, for example, a person just standing on the road or a person riding a light vehicle such as a bicycle.
  • FIG. 2 is an xy chromaticity diagram for explaining the color of light emitted by the personal lamp 20.
  • point A indicates 485 nm single-wavelength light
  • point B indicates 605 nm single-wavelength light.
  • the light emitted by the interpersonal lamp 20 is colored. More specifically, it is a mixed color of red and blue, and if the observation point is 3 m from the light source, the region below the broken line in the xy chromaticity diagram shown in FIG. It is a color that satisfies .1829. As will be described later, even if the pedestrian 1 or the like is directly irradiated with light of such a color, glare is unlikely to occur for the pedestrian 1 or the like, and it is easy for the user to visually recognize the light.
  • the light emitted by the personal lamp 20 according to the present embodiment is represented by the xy chromaticity region y ⁇ 0.26x+0.1829.
  • Red light has a high spectral reflectance with respect to human skin. Therefore, when the pedestrian 1 around the vehicle 100 is irradiated with light of a color including red, the light reflected from the pedestrian 1 becomes stronger.
  • mixing red light with blue light makes it easier for the human eye to distinguish between objects. Therefore, the vehicle lamp 10 emits light that has a high reflection intensity from the pedestrians 1 around the vehicle 100 and that makes it easy to identify objects. For this reason, the intensity of the light that irradiates the pedestrian 1 can be suppressed, and the glare given to the pedestrian 1 can be reduced. For this reason, the pedestrian lamp 20 configured as described above can assist smooth traffic.
  • the vehicle lamp 10 includes a road surface drawing lamp and an interpersonal lamp 20 .
  • the pedestrian 1 or the like is notified of the presence of the vehicle 100 by the road drawing lamp irradiating the road drawing pattern P, and the user can easily find the pedestrian 1 or the like by irradiating the light of the interpersonal lamp 20. ⁇ It is possible to provide a vehicular lamp 10 that simultaneously performs the above.
  • the saturation of the color of the light emitted from the personal lamp 20 according to the present embodiment is higher than a certain level.
  • a certain level it is known that when the photopic luminance L (cd/m 2 ) is made equal and a chromatic color and an achromatic color are compared, the chromatic color appears brighter.
  • the luminance that can actually be seen is assumed to be the equivalent luminance L eq (cd/m 2 ).
  • the following equation holds for the relationship between the photopic luminance L and the equivalent luminance L eq .
  • the color of the light emitted from the personal lamp 20 is f(x, y)>1.2. desirable.
  • Such an interpersonal lamp 20 looks brighter than the actual brightness by more than 1.2 times, so that visibility for the user is improved. Since the illuminance of the interpersonal lamp 20 necessary for the user's visual recognition can be reduced, the interpersonal lamp 20 is provided in which glare is less likely to occur even if the pedestrian 1 or the like is directly illuminated.
  • FIG. 3 is a view of the vehicle headlamps and road surface drawing lamps mounted on the vehicle 100 irradiating light, viewed from the right side of the vehicle 100.
  • FIG. FIG. 4 is a diagram showing how the interpersonal lamp 20 according to the present embodiment irradiates light, as viewed from the right side of the vehicle 100.
  • a place 3 m away from the light source is an observer point where an observer (an example of a pedestrian 1 or the like) stands.
  • a place 5 m away from the light source is a luminous intensity observation point for measuring luminous intensity.
  • the luminous intensity of the personal lamp 20 is preferably 13 cd or less. At this time, the illuminance at the luminous intensity observation point is 0.52 lx or less. In general, the luminous intensity of vehicle headlamps is 1000 cd or more. At this time, the illuminance at the luminous intensity observation point is 40 lx or more.
  • the luminous intensity of the interpersonal lamp 20 is smaller than the luminous intensity of the vehicle headlamp, the illuminance to the pedestrian 1 is also reduced. As a result, glare is less likely to occur, particularly for the pedestrian 1 near the vehicle 100 .
  • Pedestrians wear clothes of various colors, and it is difficult to select a wavelength of light that makes it easy to distinguish the colors.
  • Pedestrian skin tones generally have a limited range of colors ranging from light orange to brown. For this reason, the present inventor considered irradiating the pedestrian 1 with light having a wavelength that is likely to be reflected on the skin. In addition, the inventor considered irradiating light on the face, which has a large exposed area of the pedestrian's skin. For this reason, it is preferable that the luminous intensity of the personal lamp 20 is set to 13 cd or less so as not to dazzle the pedestrian 1 .
  • both the upper limit LB1 and the lower limit LB2 of the light emitted from the vehicle headlamp are 1 m or less at the observer's point. This is because the light from the vehicle headlamp can cause glare to pedestrians 1 etc. if the observer is not far enough away from the light source of the vehicle headlamp. This is to prevent the face of the pedestrian 1 or the like from being directly irradiated with the light from the light as much as possible. However, only the legs and torso of the pedestrian 1 and the like are revealed by the illumination of the vehicle headlamps. For this reason, it may be difficult for the user to determine whether the object seen by the illumination of the vehicle headlamp is a person, an object, or a pattern on the road surface.
  • the road surface drawing lamp is a lamp that draws the road surface drawing pattern P on the foot of the pedestrian 1 and on the road surface in front of the vehicle 100 . Therefore, both the upper limit RD1 and the lower limit RD2 of the light emitted from the road drawing lamp are less than 1 m at the observer's point.
  • the upper limit P1 and the lower limit P2 of the light emitted from the human lamp 20 according to the present embodiment are 1 m or more.
  • the face of the pedestrian 1 or the like is likely to be directly irradiated with the light of the interpersonal lamp 20 .
  • the color of the light from the human lamp 20 is particularly easily recognizable when reflected by human skin. Therefore, by setting the lower limit of the light emitted from the interpersonal lamp 20 to 1 m or more, the user can easily find the presence of the pedestrian 1 or the like more accurately.
  • FIG. 5 is a diagram showing how the interpersonal lamp 20 according to the present embodiment irradiates light, as viewed from the right side of the vehicle 100.
  • the angle formed by the left limit PL1 of the light emitted from the left lamp 20L and the right limit PL2 of the light emitted from the left lamp 20L is It is wider than the angle between the upper limit P1 of the light emitted and the lower limit P2 of the light emitted from the interpersonal lamp 20 .
  • the angle between the left limit PR1 of the light emitted from the right personal use lamp 20R and the right limit PR2 of the light emitted from the right personal use lamp 20R is the upper limit P1 of the light emitted from the right personal use lamp 20R. and the lower limit P2 of the light emitted from the lamp 20 for personal use.
  • FIG. 6 is a block configuration diagram showing the relationship between the interpersonal lamp 20 and its peripheral devices according to this embodiment.
  • the pedestrian lamp 20 may have a sensor 21 for detecting the presence of the pedestrian 1 or the like.
  • the sensor 21 may detect the pedestrian 1 or the like using, for example, a CMOS camera, an infrared camera, LiDAR, or the like.
  • the interpersonal lamp 20 may be configured to be directed toward the detected pedestrian 1 when the sensor 21 detects the pedestrian 1 or the like. For example, when the pedestrian 1 is detected by the sensor 21 , the information is sent to the receiver 22 of the pedestrian lamp 20 . Based on the information sent to the receiving unit 22, the control unit 23 determines in which direction the interpersonal lamp 20 should be oriented, and changes the orientation of the interpersonal lamp 20 by controlling a driving unit (not shown). . Further, the control unit 23 controls the lighting of the first light source 24 and the second light source 25, which will be described later, so that the interpersonal lamp 20 irradiates light toward the pedestrian 1 and the like.
  • the interpersonal lamp 20 can more accurately illuminate the pedestrian 1 and the like, so that it can help the user to find the pedestrian 1 and the like.
  • the interpersonal lamp 20 may be communicably connected to a vehicle control unit 30 capable of acquiring and communicating specific information about the vehicle 100 .
  • the vehicle control unit 30 acquires, for example, information indicating that the vehicle 100 has been put into the “drive gear” when the vehicle 100 is in a stopped state, and transmits this to the reception unit 22 .
  • the control unit 23 controls the first light source 24 and the second light source 25 of the interpersonal lamp 20 in front of the vehicle 100 to turn on the first light source 24 and the second light source 25. emit light from
  • the pedestrian lamp 20 can assist the user in recognizing whether or not there is a pedestrian 1 in front of the vehicle 100 when the vehicle 100 starts forward.
  • the vehicle control unit 30 acquires information that the vehicle 100 has been put into "reverse gear" when the vehicle 100 is in a stopped state, and transmits this to the receiving unit 22. Based on the information received by the receiving unit 22, the control unit 23 controls the first light source 24 and the second light source 25 of the interpersonal lamp 20 behind the vehicle 100 to turn on the first light source 24 and the second light source 25. emit light from Thus, the pedestrian lamp 20 can assist the user in recognizing whether or not the pedestrian 1 is behind the vehicle 100 when the vehicle 100 starts backward.
  • the control unit 23 controls light irradiation by the interpersonal lamp 20.
  • the pedestrian lamp 20 can assist the user in finding the pedestrian 1 or the like in at least one of the front and rear of the vehicle 100 when the vehicle 100 starts moving, for example.
  • FIG. 7 illustrates an example of the optical system of the personal lamp 20 according to this embodiment.
  • the personal lamp 20 includes a first light source 24, a second light source 25, and an optical member.
  • the first light source 24 is a light source that emits red light.
  • the wavelength range of the light emitted by the first light source 24 is 605 nm or more and 830 nm or less.
  • the second light source 25 is a light source that emits blue light, and the wavelength range of the light emitted by the second light source 25 is 380 nm or more and 485 nm or less.
  • the optical member is a member that combines the light emitted by the first light source 24 and the light emitted by the second light source 25 .
  • the optical member is a diffuser plate 26 having numerous irregularities on one side.
  • the optical member is not limited to the diffusion plate 26, and any member may be used as long as the light emitted from the first light source 24 and the light emitted from the second light source 25 can be combined.
  • the reflector reflects the light emitted from the first light source 24 and the second light source 25 so that the optical paths of the light emitted from the first light source 24 and the second light source 25 are parallel and enter the diffusion plate 26. It is a member.
  • the parallel light incident on the diffuser plate 26 travels through the diffuser plate 26 while being refracted by the uneven portions of the diffuser plate 26 .
  • On the surface of the diffuser plate 26 some of the light is emitted outside the diffuser plate 26 while some of the light is reflected and still travels inside the diffuser plate 26 .
  • the light emitted from the diffuser plate 26 is diffused and propagated, and the lights emitted by the first light source 24 and the second light source 25 are combined inside.
  • the light combined inside the diffuser plate 26 is emitted as a mixed color light of red and blue.
  • FIG. 8 is a diagram showing how one light source 24A emits mixed-color light of red and blue as a modification.
  • the light source 24A has a light source chip 241 that emits red light and a light emitting layer 242 that covers the light source chip 241 .
  • the light-emitting layer 242 has therein a phosphor 242a that emits blue light when exposed to light.
  • a single light source chip 241 can emit light of a specific color, so that a space-saving human lamp can be realized.
  • the light source may be configured such that the light source chip emits blue light, and the light emitting layer includes a phosphor that emits red light when exposed to light. Also, the phosphor is not necessarily required. If the light source chip can directly emit a specific color corresponding to a mixture of red and blue, the phosphor may not be provided.
  • the interpersonal lamp 20 configured as shown in FIG. 7 is particularly preferably provided inside a vehicle tail lamp or a vehicle brake lamp.
  • a vehicle tail lamp and a vehicle brake lamp are examples of the vehicle lamp 10 .
  • a vehicle tail lamp or a vehicle brake lamp may be configured to include the interpersonal lamp 20 therein.
  • the first light source 24 is desirably configured so as to be used as a red light for a vehicle tail lamp or a vehicle brake lamp and also as a red light for the interpersonal lamp 20 .
  • the human lamp 20 is also configured as a red light for a vehicle tail lamp or a vehicle brake lamp, and is also configured to irradiate mixed colors of red and blue.
  • the interpersonal lamp 20 may be provided inside the vehicle tail lamp or the vehicle brake lamp, so that the interpersonal lamp 20 can be mounted in a space-saving manner. Further, since the interpersonal lamp 20 is provided inside the vehicle tail lamp or the vehicle brake lamp, the interpersonal lamp 20 can be mounted without impairing its design.
  • the interpersonal lamp 20 When the interpersonal lamp 20 is used as a red light for a vehicle tail lamp or a vehicle brake lamp, the first light source 24 is turned on and the second light source 25 is turned off. Conversely, the personal lamp 20 turns on the first light source 24 and the second light source 25 when irradiating mixed colors of red and blue.
  • the interpersonal lamp 20 can emit red light by turning on the first light source 24 and turning off the second light source 25 .
  • the human lamp 20 can irradiate a mixed color light of red and blue by turning on the first light source 24 and the second light source 25 . In this manner, switching between the function as the vehicle tail lamp or the vehicle brake lamp and the function as the interpersonal lamp 20 can be realized with a simple configuration.
  • FIG. 9 is a diagram showing another example of an optical system in the case where a vehicle tail lamp or a vehicle brake lamp is provided with the interpersonal lamp 20.
  • FIG. It should be noted that the illustration of the uneven portions of the reflector and the diffuser plate 26A is omitted. Also, in FIG. 9, the dashed lines schematically indicate which light source illuminates which part of the optical member, and do not indicate the optical path of the light from the light source.
  • the diffuser plate 26A has a combining portion 261 into which both the light from the first light source 24 and the light from the second light source 25 enter, and the non-combining portion 262 into which only the light from the first light source 24 enters.
  • a shielding portion 263 is provided at the boundary between the multiplexing portion 261 and the non-multiplexing portion 262 . The shielding portion 263 is configured so that the light incident on the multiplexing portion 261 and the light incident on the non-multiplexing portion 262 are not mixed.
  • the interpersonal lamp 20 configured as described above can irradiate only red light and mixed red and blue light at the same time. Thereby, the function as a vehicle tail lamp or a vehicle brake lamp and the function as an interpersonal lamp 20 can be compatible.
  • Example 1 The spectral reflectance was examined when light of each wavelength was applied to human skin, and the results were tabulated. The results of Experiment 1 are shown in FIG. As shown in FIG. 10, the spectral reflectance is high when the skin is irradiated with light in a wavelength range exceeding 600 nm. From this result, it was confirmed that red light has excellent spectral reflectance for human skin.
  • Example 2 A sensory evaluation was conducted in which visibility was evaluated on a three-grade scale when red, green, blue, and a mixture of these colors were applied to the face.
  • red may be referred to as R.
  • Green is sometimes called G.
  • Blue is sometimes called B.
  • a mixed color of red and green is sometimes called RG.
  • a mixed color of red and blue is sometimes called RB.
  • a mixed color of green and blue is sometimes called GB.
  • Mixed colors of red, green, and blue are sometimes called RGB.
  • Fig. 11 shows the results of the sensory evaluation. It was shown that the R light, which was confirmed to have good spectral reflectance in Experiment 1, does not necessarily have good visibility. It was also shown that RB light has the best visibility.
  • Example 3 In Experiment 2, a comparison was made between the visible distances of RB light and white light, which had the best visibility.
  • Point C indicates RB light.
  • point C satisfies y ⁇ 0.26x+0.1829.
  • Point D indicates white light.
  • Point D is a point that exists inside region W shown in FIG. Region W is the white region of the headlamp as defined in UN regulations governing the construction and installation of motor vehicles.
  • the light of the color represented by the two points C and D described above was illuminated on a person's face 3m away from the light source. At this time, it was investigated whether a person's face could be visually recognized no matter how many meters away it was.
  • the light intensities of the illuminating light sources are 10 cd and 20 cd.
  • the experimental results are shown in FIG. As shown in FIG. 12, the visible distance is longer when the face is irradiated with RB light than when the face is irradiated with white light. Regardless of whether the luminous intensity is 10 cd or 20 cd, the visible distance for RB light is longer than the visible distance for white light by 10 m or more. From this, it was confirmed that RB light is more visible than white light.
  • any known means may be used for the method of causing the first light source and the second light source to enter the optical member.
  • collimating lenses may be used instead of using reflectors.
  • An anti-personnel lamp that emits light of a color represented by y ⁇ 0.26x+0.1829 in the xy chromaticity diagram at a distance of 3 m from the light source.
  • the light emitted from the personal lamp satisfies the following formula in the xy chromaticity diagram, (1) The interpersonal lamp described in (1).
  • the lamp luminous intensity is 13 cd or less, An interpersonal lamp according to (1) or (2).
  • An antipersonnel lamp according to any one of (1) to (4).
  • (6) a first light source that emits red light; a second light source that emits blue light; an optical member for combining the light from the first light source and the light from the second light source;
  • the personal lamp according to any one of (1) to (5).
  • (7) Equipped with a road surface drawing lamp and an interpersonal lamp according to any one of (1) to (6), vehicle lamp.
  • (8) Equipped with an interpersonal lamp according to (6), Vehicle tail lights or vehicle brake lights.
  • the optical member has a combining portion into which light from the second light source can enter and a non-combining portion into which light from the second light source does not enter, The vehicle tail lamp or vehicle brake lamp according to (9).

Landscapes

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

Abstract

Cette lampe de personnel émet de la lumière d'une couleur représentée par y ≤ 0,26x +0,1829 dans un diagramme de chromaticité xy à 3 m à partir d'une source de lumière.
PCT/JP2022/042872 2021-11-22 2022-11-18 Lampe de personnel et lampe de véhicule WO2023090426A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2021189577 2021-11-22
JP2021-189577 2021-11-22

Publications (1)

Publication Number Publication Date
WO2023090426A1 true WO2023090426A1 (fr) 2023-05-25

Family

ID=86396983

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2022/042872 WO2023090426A1 (fr) 2021-11-22 2022-11-18 Lampe de personnel et lampe de véhicule

Country Status (1)

Country Link
WO (1) WO2023090426A1 (fr)

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2000513293A (ja) * 1996-06-13 2000-10-10 ジェンテクス・コーポレーション 発光ダイオードを内蔵する照明器組立体
JP2009286199A (ja) * 2008-05-27 2009-12-10 Koito Mfg Co Ltd 歩行者照射用照明装置および車両用前照灯装置
JP2011084106A (ja) * 2009-10-13 2011-04-28 Denso Corp 指向性制御照明装置
JP2017159881A (ja) * 2016-03-10 2017-09-14 パナソニック インテレクチュアル プロパティ コーポレーション オブ アメリカＰａｎａｓｏｎｉｃ Ｉｎｔｅｌｌｅｃｔｕａｌ Ｐｒｏｐｅｒｔｙ Ｃｏｒｐｏｒａｔｉｏｎ ｏｆ Ａｍｅｒｉｃａ 認識結果提示装置、認識結果提示方法及び自律移動体
JP2019127080A (ja) * 2018-01-22 2019-08-01 スタンレー電気株式会社 点灯制御装置、点灯制御方法、および車両用灯具
WO2020067113A1 (fr) * 2018-09-25 2020-04-02 株式会社小糸製作所 Système de phare et phare de véhicule

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2000513293A (ja) * 1996-06-13 2000-10-10 ジェンテクス・コーポレーション 発光ダイオードを内蔵する照明器組立体
JP2009286199A (ja) * 2008-05-27 2009-12-10 Koito Mfg Co Ltd 歩行者照射用照明装置および車両用前照灯装置
JP2011084106A (ja) * 2009-10-13 2011-04-28 Denso Corp 指向性制御照明装置
JP2017159881A (ja) * 2016-03-10 2017-09-14 パナソニック インテレクチュアル プロパティ コーポレーション オブ アメリカＰａｎａｓｏｎｉｃ Ｉｎｔｅｌｌｅｃｔｕａｌ Ｐｒｏｐｅｒｔｙ Ｃｏｒｐｏｒａｔｉｏｎ ｏｆ Ａｍｅｒｉｃａ 認識結果提示装置、認識結果提示方法及び自律移動体
JP2019127080A (ja) * 2018-01-22 2019-08-01 スタンレー電気株式会社 点灯制御装置、点灯制御方法、および車両用灯具
WO2020067113A1 (fr) * 2018-09-25 2020-04-02 株式会社小糸製作所 Système de phare et phare de véhicule

Similar Documents

Publication Publication Date Title
JP4037289B2 (ja) 車両用前照灯
JP2011136651A (ja) 車両用灯具システム
JP2013101881A (ja) 車両用前照灯
JP5520023B2 (ja) 車両用照明灯具
JP2013032136A (ja) 投光装置、および当該投光装置を備えた車両用前照灯
JP2009286199A (ja) 歩行者照射用照明装置および車両用前照灯装置
JP2013258146A (ja) ライトモジュール
US7270455B2 (en) Vehicle light and method of indicating different signal patterns of a vehicle light
JP5415237B2 (ja) 車両用前照灯システム
KR20180076708A (ko) 차량용 램프
JP6986341B2 (ja) 車両用前照灯
WO2023090426A1 (fr) Lampe de personnel et lampe de véhicule
WO2016024620A1 (fr) Dispositif et système d'éclairage
JP2014184876A (ja) 路面照射信号灯具
JP7172283B2 (ja) 車両用灯具
JP4597788B2 (ja) 赤外線投光器
JP6992296B2 (ja) 車両用灯具
KR101489771B1 (ko) 자동차용 안개등
WO2020196880A1 (fr) Appareil d'éclairage de véhicule
JP5668958B2 (ja) 車両用ヘッドランプ
JP2013191455A (ja) 車両用前照灯
JP2021195014A (ja) 車両用灯具
JP2005112235A (ja) 車両周辺暗視用灯具および車両用アウトサイドミラー装置
JP2011165441A (ja) 車両用ヘッドランプ
KR20180076634A (ko) 차량용 램프

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 22895707

Country of ref document: EP

Kind code of ref document: A1