WO2006033184A1 - Illuminateur et miroir exterieur muni de l'illuminateur - Google Patents

Illuminateur et miroir exterieur muni de l'illuminateur Download PDF

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Publication number
WO2006033184A1
WO2006033184A1 PCT/JP2005/008770 JP2005008770W WO2006033184A1 WO 2006033184 A1 WO2006033184 A1 WO 2006033184A1 JP 2005008770 W JP2005008770 W JP 2005008770W WO 2006033184 A1 WO2006033184 A1 WO 2006033184A1
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WIPO (PCT)
Prior art keywords
lens
light
mirror
focal point
illumination device
Prior art date
Legal status (The legal status 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 status listed.)
Ceased
Application number
PCT/JP2005/008770
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English (en)
Japanese (ja)
Inventor
Masaaki Matsuura
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Murakami Corp
Original Assignee
Murakami Corp
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Filing date
Publication date
Application filed by Murakami Corp filed Critical Murakami Corp
Publication of WO2006033184A1 publication Critical patent/WO2006033184A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R1/00—Optical viewing arrangements; Real-time viewing arrangements for drivers or passengers using optical image capturing systems, e.g. cameras or video systems specially adapted for use in or on vehicles
    • B60R1/12—Mirror assemblies combined with other articles, e.g. clocks
    • B60R1/1207—Mirror assemblies combined with other articles, e.g. clocks with lamps; with turn indicators
    • 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
    • B60Q1/247—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 for illuminating the close surroundings of the vehicle, e.g. to facilitate entry or exit
    • 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
    • B60Q1/2661—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 mounted on parts having other functions
    • B60Q1/2665—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 mounted on parts having other functions on rear-view mirrors

Definitions

  • Illumination device and outer mirror provided with the illumination device
  • the present invention relates to a lighting device and an outer mirror provided with the lighting device, and particularly includes a lighting device that is mounted on a vehicle such as an automobile and is suitable for use as foot lighting or the like, and the lighting device. It relates to the outer mirror.
  • an outer mirror of a vehicle such as an automobile is known in which an illuminating device is provided for checking a foot in the dark at night (for example, Japanese Patent Laid-Open No. 8-323422). (See paragraphs 0013-0016 and FIG. 1).
  • the lamp is attached to the mirror base of the outer mirror, and the road surface on the side of the vehicle body is utilized by utilizing the outer mirror mounting structure provided protruding from the side of the vehicle body. Can also illuminate the outer mirror power, and can now illuminate the feet!
  • the present inventor has advanced research and development to address the above-described problems of the prior art and have come up with the present invention. That is, it is an object of the present invention to provide an illuminating device that can effectively use light from a light source power and that can be made compact in shape and an mirror provided with the illuminating device. On the side.
  • the illumination device includes a reflecting surface having at least a part of a spheroid, first and second focal points, and the first of the reflecting surfaces.
  • a lighting device comprising: a light source disposed at a focal point of the light source; and an emitting unit disposed on the second focal point side to emit light from the light source, wherein the reflecting surface is at least from the light source.
  • the light source has a reflection part that returns light to the first focal point side, and the emission part is arranged at a position opposite to the first focal point of the second focal point or the second focal point. It is characterized by being installed.
  • the light emitting part is a convex lens, a concave lens, a fly-eye lens, a flat glass material, a transparent cover, or the like that can emit light having a light source power.
  • the reflecting portion may be a spheroid, spherical surface, or spherical surface formed on the second focus side as long as it has a reflection surface that returns light from the second focus side to the first focus side.
  • Other curved surfaces and plane isotropic forces are also constructed.
  • the reflecting portion includes the one provided on the first focal-side rotational ellipsoid at an interval.
  • At least a part of the reflecting surface is a spheroidal surface and has the first and second focal points. Therefore, the light emitted from the light source disposed at the first focal point is In addition to following the optical path that passes directly through the exit section arranged on the second focus side, the optical path that passes through the exit section after being reflected by the reflecting surface and passed through the second focus section, or the second focus After passing through, the light is further reflected by the reflecting surface and finally follows the optical path that passes through the emission part.
  • the light that has reached the reflection surface on the second focal side is reflected and collected on the light source of the first focal point (after returning), and then reflected on the first focal side. Then, the light reaches the second focal point together with the light directly reaching the reflecting surface on the first focal point side from the light source, and then exits through the projecting part.
  • the light that is reflected by the reflecting surface and wraps around the back side of the light source (on the side opposite to the light emitting portion) can be effectively emitted by virtue of the characteristics of the spheroid. Therefore, there is an advantage that the light emitted from the light source is emitted without any waste. Therefore, the light from the light source can be used effectively, and illumination with high illuminance can be performed.
  • the light that passes through the emission part after being condensed at the second focal point and is emitted from the light source passes through the second focal point, unlike the light that is emitted from the light source directly through the emission part. When it is done, it has an angle, so that it has an extent. Therefore, a wide range of illumination can be performed.
  • the light from the light source is effectively used due to the characteristics of the spheroid, so that a wide range can be brightly illuminated.
  • an illuminating device can be made into a compact shape.
  • an illuminating device installed on an outer mirror of an automobile it can be installed in a narrow space inside the outer mirror.
  • the lens used can be reduced in size, it can contribute to the light weight of the outer mirror.
  • the emitting portion is disposed at a position opposite to the second focus or the first focus of the second focus (the opposite light source side of the second focus).
  • the following effects can be obtained. That is, when the emission part is disposed at the second focal point, the light condensed at the second focal point can be directly passed through the emission part, and the light emitted from the light source is more The light exits smoothly from the exit without waste. Therefore, the light from the light source can be used effectively, and illumination with high illuminance can be performed.
  • the emission part is arranged at the second focal point, the light incident on the second focal point at various angles passes through the emission part, so that the light emission angle is set to a wide angle. Become so. In other words, a wide range This is effective when you want to shine brightly.
  • the second portion is compared with the case where the emitting portion is disposed at the second focal point as described above.
  • the amount of light collected at the second focal point does not pass through the exit part as much as it is located on the side opposite to the light source from the focal point, so that the spread of light emitted through the exit part can be suppressed.
  • the light emission angle can be set narrow. Therefore, it is effective when performing spot illumination or the like. In this case, the light emission angle can be set to be narrower as the distance between the second focal point and the emission part becomes wider.
  • the illumination device has a spheroid surface, a space is formed between the light source and the emission part, and the lens as the emission part is broken by receiving heat generated from the light source (such as distortion).
  • a convex lens is disposed on the light emitting portion, and the focal length of the convex lens is f.
  • a spheroid surface having first and second focal points, a light source disposed at the first focal point of the reflecting surface, and the second focal point
  • a light emitting device that emits light having the light source power described above, and a concave lens is disposed at the light emitting portion, and the focal length of the concave lens is f
  • f A configuration that satisfies the condition expressed by the equation f ⁇ (L + T) Z100, where L is the distance between the focal point 1 and the second focal point, and T is the distance between the second focal point and the convex lens. It is good to do.
  • the convex lens is configured to satisfy the conditional expression f ⁇ (L + T) Z2, and the concave lens satisfies the conditional expression f ⁇ ⁇ (L + T) ZlOO.
  • a lighting device including a light emitting portion that emits light having a light source power, and a convex lens or a concave lens is disposed on the light emitting portion, and a focal length of the convex lens or the concave lens is determined.
  • the irradiation radius R is in the range of 150 to I R I and 5 000 (mm)
  • the lens radius r is in the range of 5 ⁇ r ⁇ 15 (mm).
  • the illumination can be set to have an irradiation radius (light spread) corresponding to the height at which the convex lens or concave lens is installed (distance h from the convex lens or concave lens to the irradiation surface). Therefore, by using such an illuminating device, for example, when applied as illumination attached to an outer mirror of an automobile, it is possible to favorably illuminate the road surface around the outer mirror, and to get on and off an automobile at night. A lighting device that contributes to the above is obtained.
  • the emitting portion is disposed on the top of the spheroid on the second focal point side.
  • the reflecting surface is formed by a combination of a plurality of spheroid surfaces or a combination of a spheroid surface and a spherical surface.
  • a plurality of spheroids may be combined or a spheroid
  • a reflective surface for example, it is possible to form a reflective surface in which the light from the light source is focused on the second focal point in a short optical path.
  • the reflecting surface is formed of an elliptical surface, there is an advantage that light having a light source power can be effectively condensed on the emitting portion.
  • a boundary portion between a plurality of surfaces forming the reflection surface may be formed with a draft angle that becomes a joint portion of a mold during molding. Yo ⁇ .
  • the boundary portion between the surfaces forming the reflecting surface is the joint portion of the mold during the molding process, so that the reflecting surface with respect to the mold drawing direction is obtained.
  • the reflecting surface is preferably formed by metal deposition or metal plating.
  • the reflecting surface can be manufactured at low cost and with high accuracy.
  • a changing unit that changes the traveling direction of light is provided, and the emitting unit is disposed ahead of the traveling direction of the light emitted through the changing unit. It is good to do.
  • the light emission direction can be changed to an arbitrary direction.
  • an illuminating device incorporated in a desired range for example, an outer mirror of a vehicle such as an automobile
  • it can be set to illuminate the road surface on the side of the side door of the vehicle, which is suitable as a step lighting when getting on and off at night.
  • the emitting part is arranged ahead of the traveling direction of the light emitted through the changing means, it is possible to illuminate a desired range brightly in the same manner as normal illumination without using the changing means. The advantage is obtained.
  • the spheroid surface constituting the reflecting surface has the same force as the width dimension of the valve attached to the light source or a dimension wider than this.
  • an outer mirror as one aspect of the present invention is an outer mirror including the above-described illumination device, and an opening is formed in a lower part of a mirror housing provided with a mirror for rearward viewing. It is preferable that the light emitting portion of the lighting device is exposed to the opening.
  • an outer mirror According to such an outer mirror, light can be emitted from the emission part of the illumination device through the opening formed in the lower part of the mirror housing, and the road surface around the lower part of the outer mirror can be illuminated. Can do. This makes it possible to check the footsteps when getting on and off even in the dark at night.
  • the light emitted from the emitting part is collected by effectively using the reflecting surface composed of the ellipsoidal surface, such an outer mirror is used around the lower part of the outer mirror.
  • the advantage is that a wider area of the road surface near a door can be illuminated more brightly.
  • the force by changing the conditions such as the type of lens attached to the light emitting portion, the light spread can be made different, and the lighting device can be adapted to various needs. As a result, for example, even if the installation height of the one mirror is different for each vehicle type, it is possible to flexibly cope with this.
  • FIG. 1 is a view showing a lighting device according to a first embodiment of the present invention, where FIG. 1 (a) is a front view showing a schematic configuration, and FIG. 1 (b) is a partially omitted schematic cross-sectional view. is there.
  • FIG. 2 (a) is a schematic diagram for explaining the reflection of light inside the illuminating device according to the first embodiment of the present invention, and (b) is in the illuminating device whose reflecting surface is parabolic. Pattern diagram It is.
  • FIG. 3 (a) and (b) are schematic diagrams showing the spread of light.
  • FIG. 4 is a schematic diagram similarly showing the spread of light.
  • FIG. 5 (a) and (b) are diagrams for explaining the spread of light, which is a guide for setting the focal length.
  • (A) is a schematic diagram when a convex lens is used as the lens.
  • b) is a schematic diagram when a concave lens is used as the lens.
  • FIG. 6 is a graph showing the effect of illuminance distribution.
  • FIG. 7 is a graph showing a comparative example of illuminance distribution.
  • FIG. 8 is a schematic view of an automobile equipped with an outer mirror equipped with an illumination device, (a) is a schematic view showing the rear force of the automobile, and (b) is a schematic plan view of the front portion of the automobile.
  • FIG. 9 is a vertical perspective view showing the light spread of the lighting device.
  • FIG. 10 is an enlarged sectional view (partially omitted) taken along the line D-D in FIG. 8 (a).
  • FIG. 11 is an exploded perspective view showing a mounting structure of a lighting device.
  • FIG. 12] (a) to (d) are explanatory diagrams of the installation procedure.
  • FIG. 13 is a schematic cross-sectional view showing a modification of the illumination device provided in the outer mirror.
  • FIG. 14 is a schematic cross-sectional view showing a modification of the illumination device provided in the outer mirror.
  • FIG. 15 is a view showing a modification of the lighting device provided on the outer mirror, (a) is a schematic structural diagram of the lighting device, and (b) and (c) are explanatory views showing the shape of the reflecting surface. is there.
  • FIG. 16 is a partially omitted schematic cross-sectional view showing an illuminating device according to a second embodiment of the present invention.
  • FIG. 17 is a partially omitted schematic cross-sectional view showing a modified example.
  • FIG. 1 is a diagram showing a lighting device according to a first embodiment of the present invention, where (a) is a front view showing a schematic configuration, (b) is a partially omitted schematic cross-sectional view, and FIG. FIG. 2B is a schematic diagram for explaining reflection of light inside the illuminating device according to the first embodiment of the present invention, FIG. 2B is a schematic diagram of the illuminating device in which the reflecting surface is parabolic, and FIG. (a) and (b) are schematic diagrams showing the spread of light, and FIG. 4 is a schematic diagram showing the spread of light.
  • the illumination device 1 of the present embodiment includes a case 2 and a valve as a light source. 3 and a lens 4 as an emission part.
  • the light force exiting from the bulb 3 is reflected by the reflection surface H formed of a spheroidal surface formed on the inner surface of the case 2, and is emitted from the lens 4. It is a structure.
  • Case 2 is constructed by joining the first case (upper case) 2A and the second case (lower case) 2B, both of which are also made of synthetic resin, with end faces 2a and 2b.
  • a reflection surface H having a rotational ellipsoidal force is formed on the inner surface.
  • the upper case 2A and the lower case 2B are formed by using a predetermined mold (not shown), and on each inner surface, the first reflection surface HI constituting the reflection surface H and the light from the bulb 3 are transmitted to the first case.
  • a second reflecting surface H2 is formed that serves as a reflecting portion that returns to the focal point A side. Therefore, when the upper case 2A and the lower case 2B are joined at the end faces (joints) 2a and 2b, a spheroidal space K is formed inside the case 2.
  • the first reflective surface HI and the second reflective surface H2 are formed of a highly reflective material, for example, a metal vapor deposition film. Therefore, the light incident on the first reflecting surface HI and the second reflecting surface H2 is reflected with a high reflectance.
  • the first reflecting surface HI and the second reflecting surface H2 can be made to have a higher reflectivity by using various methods such as metal plating, metal film, and printing of metal particles.
  • a through hole 2c is formed in the upper wall of the upper case 2A.
  • a socket 3a of the valve 3 is inserted through the through hole 2c, and the valve 3 is attached to the upper case 2A.
  • the bulb 3 is arranged at the first focal point A on the first reflecting surface HI side while being attached to the upper case 2A.
  • a through hole 2d is formed in the lower wall of the lower case 2B, and a lens 4 is attached to the through hole 2d. That is, the lens 4 is disposed at the apex position of the spheroid on the second focal point B side on the extension line of the axis (optical axis) O connecting the first and second focal points A and B.
  • the second focal point B is provided at a position opposite to the first focal point A (on the second focal point B opposite to the valve 3 side).
  • the lens 4 is provided on the anti-noble 3 side of the second focal point B as described above. However, as indicated by the one-dot chain line in the figure, the lens 4 is positioned at the position P1 close to the second focal point B side. Furthermore, as shown by the broken line in the figure, it is provided at the position P2 that overlaps the second focal point B. May be.
  • the second focal point B force on the opposite side may be provided at a position P3 where the force is moved away.
  • a fly-eye lens is used, and a uniform illuminance distribution can be obtained in an illumination area (road surface or the like) (not shown).
  • the first fly-eye lens divides the light beam and each light beam is decentered by the second lens.
  • the fly-eye lens is used to guide to the exit area (for example, the road surface described later). As a result, the luminance unevenness of the bulb 3 can be dispersed, and a more uniform illuminance distribution can be obtained on the exit surface.
  • the illuminating device 1 has the reflecting surface H composed of a spheroidal surface, and since the bulb 3 is disposed at the first focal point A, when the bulb 3 is energized and turned on. As shown by the broken line in FIG. 1 (b), the light emitted from the valve 3 is reflected as shown in FIG. This is roughly divided into outgoing light R2 that is reflected by surface H and then emitted through lens 4.
  • the outgoing light R1 passes through the lens 4 directly from the noble 3 and is emitted, so that the outgoing angle is narrow, and the outgoing light is spot-like.
  • the outgoing light R2 is composed of light that is reflected by the first reflecting surface HI and the second reflecting surface H2, passes through the second focal point B, and is collected on the lens 4. That is, out of the light emitted from the bulb 3, light other than the light emitted directly through the lens 4 is emitted as the emitted light R2, and is emitted with the expansion of the lens 4 force.
  • the light emitted from the bulb 3 is the first and second focal points A and B of the spheroid. Since the light is finally emitted from the lens 4 after passing through the lens 4, there is no light that disappears without being collected by the lens 4, or even if it exists, there is very little light. This has the advantage that the light from the nozzle 3 can be used effectively.
  • the illumination device 100 of FIG. 2 (b) it is possible to effectively use light by forming the lens 4 in accordance with the size of the front end surface HI3. Since the size of 4 is increased, it is impossible to achieve compactness, and it is difficult to adopt because it has disadvantages such as an increase in cost.
  • the interfocal distance L distance between the first and second focal points A and B in the illumination device 1 of the present embodiment
  • the first The relationship between the distance T from the focal point B of 2 to the lens 4 and the focal length f of the lens 4 will be described.
  • the description will be made mainly on the spread of light emitted from the bulb 3 and directly passing through the lens 4.
  • Fig. 3 (a) is a schematic diagram showing the spread of the emitted light when the convex lens 4a is used as the lens 4.
  • the emitted light indicated by the reference symbol R3 in the figure is the focal point of the convex lens 4a.
  • Distance f 1S When the value is expressed by the following equation.
  • the emitted light indicated by reference numeral R5 in FIG. 3 (a) is a case where the lens 4 is a flat lens that is not the convex lens 4a. On the other hand, it has an expanse that is substantially parallel. That is, it can be said that the emitted light R3 can be used as a spot-like emitted light having substantially the same light spread as the emitted light R5 when the convex lens 4a has a flat shape.
  • the emitted light denoted by reference numeral R4 in the figure has a focal length f of the convex lens 4a of f ⁇ (L + T) / 2
  • the emitted light R4 has a larger spread than the emitted light R3 because the focal length f force S of the convex lens 4a is smaller than the emitted light R3. Therefore, by using the illuminating device 1 provided with such outgoing light R4, when mounted on the outer mirror, the distance from the convex lens 4a to the road surface (not shown) is sufficiently secured, and the side of the vehicle body It will be possible to illuminate a relatively wide area. Therefore, the illuminating device 1 provided with such emitted light R4 can be used more favorably as foot illumination.
  • the focal length f of the convex lens 4a can be set small, so that the outgoing light can be expanded.
  • the focal length f needs to be set in a range that does not impair the function as the lighting device 1.
  • the inventors have found that it is preferable to set the focal length f in the range represented by the following equation (1) as a result of intensive studies with the illumination device 1 attached to the outer mirror. It was.
  • the valve 3 used during the study was 601mZW, which is generally used as an illumination device such as an outer mirror.
  • Focal length f is (L + T) / 100 ⁇ f ⁇ (L + T) / 2
  • the focal length f is set larger than (L + T) Z2, the emission angle is narrowed as described above, which is not suitable for use as foot illumination. Therefore, it is preferable to set the focal length f within the range obtained by the above formula (1).
  • Fig. 3 (b) is a schematic diagram showing a state of spread of emitted light when the concave lens 4b is used instead of the convex lens 4a for the illumination device 1, and the reference numeral
  • the emitted light shown with R6 shows an example when the focal length of the concave lens 4b is a value expressed by the following equation (2).
  • the illumination device 1 when it is assumed that the illumination device 1 is mounted on an outer mirror of a vehicle such as an automobile, a sufficient distance from the concave lens 4b to a road surface (not shown) is secured. In this state, it can be used as outgoing light having a spread.
  • the value of the focal length f is larger than-(L + T) ZlOO (value approaches 0)
  • the exit angle further increases, but on the other hand, the exit efficiency decreases and it becomes darker. End up. Therefore, the value of the focal length f is preferably set smaller than ⁇ (L + T) ZlOO.
  • the convex lens 4a is configured to satisfy the conditional expression f ⁇ (L + T) Z2
  • the concave lens 4b is configured to satisfy the conditional expression f ⁇ ⁇ (L + T)
  • the spheroid is formed by configuring so as to satisfy ZlOO
  • the light emitted through the emitting part is emitted through such an emitting part that does not use the convex lens 4a and the concave lens 4b.
  • the light that is spread it has a wider spread.
  • the light emitted from the light emitting part makes full use of the characteristics of the ellipsoidal surface, and the light that is reflected by the reflective surface and wraps around the rear side of the light source (the anti-light emitting part side) is also effectively emitted. Therefore, the light emitted from the nozzle 3 as the light source is irradiated without waste, and the lighting device 1 that can illuminate a wide range brightly is obtained.
  • the distance T is set large, that is, when the lens 4 is arranged in the direction of moving away from the second focal point B on the side opposite to the valve 3 (see FIG. 1).
  • the lens 4 is represented by a two-dot chain line
  • the light that is incident on the lens 4 after being reflected by the reflecting surface H by the amount that the lens 4 is disposed away is The light enters the optical axis O of the lens 4 with a small incident angle.
  • the light emitted from the lens 4 has a small emission angle.
  • the outgoing light R2 (see Fig. 1) becomes narrower and approaches the spot-like outgoing light.
  • the force schematically showing the light spread in the emission light R1 and the emission light R2 is replaced with this transmission plate 4c. If the convex lens 4a and the concave lens 4b as described above are inserted, the outgoing angle of the outgoing light R2 emitted after passing through the second focal point B is within the same setting range as the focal length f described above. It expands and narrows.
  • FIGS 5 (a) and (b) are diagrams for explaining the spread of light, which is a guideline for setting the focal length.
  • (A) is a schematic diagram when the convex lens 4a is used as the lens.
  • f is the focal length of the convex lens 4a or concave lens 4b
  • r is the radius of the convex lens 4a or concave lens 4b
  • h is the distance (height) between the irradiation surface F (road surface) and the convex lens 4a or concave lens 4b
  • R is the irradiation. Radiation radius at surface F.
  • the relationship between the focal length f of the convex lens 4a and the lens radius r of the convex lens 4a and the height h ⁇ f from the irradiation surface F to the focal point fl The relationship of the irradiation radius R can be expressed by the following equation.
  • the focal length f is obtained from the following equation.
  • the relationship of the irradiation radius R can be expressed by the following equation.
  • the focal length f is obtained from the following equation.
  • FIG. 6 is a graph showing the effect of the illuminance distribution when the illuminating device 1 of the present embodiment is composed of a convex lens 4a or a concave lens 4b described later.
  • the graph shown in Fig. 6 shows the illuminance (lx) on the vertical axis and the irradiation radius (irradiation range mm) on the horizontal axis.
  • the convex lens 4a when used for the illumination device 1, it is necessary to set the focal length f so as to be in the range shown by the above formula (1) in consideration of the spheroid.
  • the illumination device 1 is suitable when used as the illumination device 1 for the outer mirror, the lens radius r of the convex lens 4a is 15 mm, and the distance (height) between the irradiation surface F (road surface) and the convex lens 4a is h.
  • L + T which is an element in constructing the spheroid, is set within the range expressed by the following equation. Note that L is the distance between the focal points in the illumination device 1 as described above, and T is the distance from the second focal point B to the lens 4.
  • the preferred focal length f can be determined in the illumination device 1 using the ellipsoidal surface by the equation (1), and this is further installed in the illumination device 1.
  • L + T which is an element in constructing the rotating ellipsoid, is determined as described above.
  • the illuminating device 1 is configured with a focal distance L of 120 mm and a distance T of 30 mm.
  • the illuminating device 1 has an emission part (convex lens 4a or concave lens 4b) having an lm height from the irradiation surface F (road surface, see FIG. 5 (a), the same applies hereinafter). This is done by irradiating the light from the emitting part in a substantially vertically downward direction, and measuring the horizontal plane illuminance on a virtual plane within 5 cm from the illuminating surface F (road surface) with the origin directly below the lighting device 1.
  • the illuminance distribution (i) in Fig. 6 represents the distribution when the convex lens 4a is used.
  • the illuminance distribution (mouth) in Fig. 6 shows that when a concave lens 4b with a focal length f of 1100 mm is used. Note that the intervals L and T at this time were set in the same manner as described above.
  • the irradiation radius R has expanded about twice as much as the specified size. That is, the lighting device 1 that can irradiate a wider range can be obtained by the synergistic effect of setting the focal length f to a preferable value and using the spheroid.
  • the irradiation radius of lighting device 1 is about 50 cm as described above, while the irradiation radius of the comparative example is about 20 cm, and the irradiation range of lighting device 1 can be compared by simply comparing the radii. It was 2.5 times larger than the example, and the area ratio was about 6 times wider.
  • the illumination device 1 is used as the foot illumination of the outer mirror, it is preferable that the preferable irradiation radius in the above condition is secured about 1.2 times or more (about 25 cm or more) as compared with the comparative example. It is more preferable to secure more than about twice (about 50cm or more)!
  • a point to be noted is that brightness of illuminance of 5 (lx) or more is ensured over substantially the entire irradiation radius.
  • a wide range immediately below the lighting device 1 can be illuminated with sufficient brightness to be used as foot lighting or the like, and the outer mirror as described later can be used. It can be said that it is the illuminating device 1 suitable for utilizing as foot lighting to be attached.
  • FIG. 7 shows an example of the illuminance distribution when the focal length f is outside the range of the equation (1) as another comparative example.
  • the illuminance distribution (2) shows the focal length f of the convex lens 4a as 11 OOmm, the focal length L between the first focal point and the second focal point as 120mm, and the distance T between the second focal point and the convex lens 4a.
  • Is 30mm distance between focal lengths L and distance T is the same as illuminance distribution (i) (mouth)
  • focal length f is set outside the range expressed by the above equation (1)
  • the convex lens 4a having such a focal length f is illuminated in a donut-like space! For example, it illuminates a wide area around the lower part of the outer mirror. As a result, the outer mirror illumination device 1 is inappropriate.
  • the illumination is as clearly shown by the illuminance distribution (ii) (mouth) shown in FIG.
  • the wide area directly under the device 1 can be illuminated with sufficient brightness to be used as foot lighting or the like, and can be suitably used as the lighting device 1 attached to the outer mirror.
  • the irradiation radius R is preferably in the range of 150 and IRI and 5000 (mm), and the lens radius r is preferably in the range of 4 ⁇ r ⁇ 35 (mm). Also, the focal length L + distance T is preferably in the range of 10 to L + T to 200 (mm)! /.
  • the reflecting surface H is at least partly composed of a spheroid and has the first and second focal points A and B, and is thus arranged at the first focal point A.
  • the light emitted from the bulb 3 is reflected by the reflecting surface H because it is emitted directly through the lens 4 (convex lens 4a or concave lens 4b, hereinafter the same) disposed on the second focal point B side. After passing through the second focal point B, it undergoes multiple reflections such as further reflection at the reflecting surface H, and finally it is focused on the lens 4 and emitted. Therefore, the light from the bulb 3 can be used effectively, and illumination with high illuminance can be performed.
  • the light emitted through the lens 4 after being condensed at the second focal point B is different from the light emitted through the lens 4 directly through the lens 4, and the second focal point B Since it has an angle when passing through, it has a corresponding extent. Therefore, the illuminating device 1 having a wide output angle can be obtained. Further, since the light emitted from the nozzle 3 is effectively condensed on the lens 4 due to the characteristics of the spheroid, the illumination device 1 that can illuminate a wide range brightly is obtained.
  • the light from the bulb 3 is condensed on the second focal point B or the second focal point B on the side opposite to the bulb 3
  • the lens 4 can be made much smaller in diameter than in the prior art, and the corresponding shape can be obtained.
  • the lens 4 when the lens 4 is disposed at the second focal point B, the light condensed at the second focal point B can be directly passed through the lens 4, so that the light is emitted from the bulb 3.
  • the light is emitted from the lens 4 smoothly without waste. Therefore, the light from the bulb 3 can be used effectively, and illumination with high illuminance can be performed.
  • the output angle can be set to a wide angle, and a wide range can be illuminated brightly.
  • the lens 4 by disposing the lens 4 on the side opposite to the bulb 3 of the second focal point B, the spread of light emitted through the lens 4 (mainly emitted light R2 (see Fig. 1 (b))) is suppressed. As a result, the light emission angle can be set narrow. Therefore, the lighting device 1 suitable for spot lighting or the like can be obtained.
  • a space K (see Fig. 1 (b)) is formed between the bulb 3 and the lens 4 in the case 2, and the heat from the bulb 3 is generated. In this way, there is an advantage that the lens 4 is less likely to be broken (distorted).
  • the lens 4 is disposed at the top position of the spheroid, the reflecting surface H, which also constitutes the spheroid force, can be used effectively, and the light is condensed at the second focal point B.
  • the emitted light passes through the lens 4 efficiently. Therefore, the lens 4 can be reduced in size.
  • the light from the bulb 3 passes through the lens 4 more effectively, and there is an advantage that a wide range can be illuminated more brightly.
  • the reflecting surface H is formed by metal vapor deposition or the like, there is an advantage that it can be manufactured at a low cost and with a high precision.
  • the second reflecting surface H2 is formed up to the position of the lens 4 on the second focal point B side.
  • the second reflecting surface H2 is not necessarily formed in this way. If it has a shape and size with a function that can return light from the focal point B side to the first focal point A side.
  • Fig. 8 is a schematic diagram of an automobile equipped with an outer mirror equipped with a lighting device 1.
  • (a) is a schematic diagram showing the rear force of the automobile
  • (b) is a schematic plan view of the front of the automobile
  • Fig. 10 is a schematic perspective view showing the light spread of the illuminating device
  • Fig. 10 is an enlarged sectional view taken along the line D-D in Fig. 8 (a)
  • Fig. 11 is an exploded perspective view showing the mounting structure of the illuminating device.
  • Figures 12 (a) to 12 (d) are explanatory diagrams of the installation procedure. In the following description, “front and rear”, “left and right”, and “up and down” are based on the state in which the outer mirror M is attached to the vehicle body S.
  • the outer mirror M is a so-called door mirror attached to the side door S1 of the vehicle body S of the automobile, and the side force of the side door S1 on its side
  • a mirror base 10 made of synthetic resin (see FIG. 8 (b)) projecting toward the direction and a mirror housing 20 made of synthetic resin attached to the mirror base 10 are configured.
  • a rear viewing mirror 40 (see FIG. 8A) is disposed in the rear opening of the mirror housing 20, and the illumination device 1 is provided in the mirror housing 20.
  • the outer mirror M according to the present embodiment is electrically retractable, and the mirror housing 20 is rotatable with respect to a shaft (not shown) fixed to the mirror base 10 (see FIG. 8B). Is attached.
  • the illumination device 1 is attached to the lower part of the mirror housing 20 with the lens 4 facing downward.
  • the illumination device 1 is configured to be inserted into the mirror housing 20 from below the mirror housing 20 and attached to the lower portion of the mirror housing 20, and as a structure therefor, the mirror housing 20
  • An opening 21 into which the lighting device 1 can be inserted is formed in the lower part of the lamp.
  • the opening 21 is covered with a transparent cover 30, and in this embodiment, the lighting device 1 is directly fixed to the cover 30, and the lighting device 1 is fixed.
  • the cover 30 is fixed to the opening 21 via the bracket 35, so that the lighting device 1 can be Jing 20 is fixed.
  • the cover 30 is sized to cover the opening 21 of the mirror housing 20 and has a curved shape that matches the lower shape of the mirror housing 20.
  • a cylindrical holding portion 30A for holding the lighting device 1 is provided in a projecting manner.
  • Boss portions 31a, 31b, 32a, 32b in which fixing screw holes are formed are provided at the four side portions of the holding portion 30A.
  • the bosses 31a and 31b provided on the front side of the cover 30 are located above the upper end of the holding part 30A because the formed portion is on the inclined surface on the front side of the cover 30. It is the one that has been extended to the height.
  • hooks 33a and 33b project forward from the upper portions of the boss portions 31a and 31b, and when the lighting device 1 to be described later is assembled, the front portion of the bracket 35 is opposed to the hooks 33a and 33b. Engagement groove portions 35a and 35b formed on the 35A side are engaged.
  • the boss portions 32a and 32b are integrally formed on the left and right of the rear portion of the holding portion 30A.
  • bosses 36a and 36b for fixing the rear portion 35B side of the bracket 35 are provided on the upper surface of the rear portion of the cover 30.
  • the bosses 36a and 36b are inclined to the rear of the cover 30.
  • the lighting device 1 has four screws 5 in the screw holes of the flanges 2e and 2f formed in the case 2 of the lighting device 1. It is fixed by screwing it through.
  • the bracket 35 has a substantially square annular shape with a through hole 35c for allowing the lighting device 1 to escape inside, and a mirror housing is formed between the bracket 35 and the cover 30, as shown in FIG.
  • the cover 30 is fixed to the opening 21 in such a manner as to sandwich the edge of the 20 openings 21 (mounting seat 22, mounting seat 23).
  • the engagement groove on the front boss 35A of the bracket 35 and the boss 31a, 31b of the bracket 30 (this is the opening edge of the insertion hole 35c).
  • 35a and 35b are provided.
  • the engaging groove portions 35a and 35b are inclined downward toward the through hole 35c, and are sized so that the boss portions 3la and 3lb of the force bar 30 can be engaged with the hooks 33a and 33b.
  • the rear portion 35B of the bracket 35 opposite to this is provided with mounting portions 37a, 37b at positions corresponding to the bosses 36a, 36b of the cover 30 (opening edge portions of the through holes 35c). ing.
  • a long span 38a, 38b force S for inserting the fixing screws 39a, 39b is formed on the mounting rods 37a, 37b.
  • each of the back seat surfaces 38A (only one is shown in the figure) of the long holes 38a, 38b has a boss of the cover 30 (see FIG. 11) on the rear side.
  • An inclined surface 38B is formed for facilitating inducing 36a and 36b. This inclined surface 38B is opposed to the top rear ends 36A of the bosses 36a, 36b of the cover 30! /.
  • bracket 35 can be slightly elastically deformed so that an unnecessarily large tightening force is not applied at the time of assembly, thereby absorbing variation in shape tolerance. .
  • This bending deformation of elastic deformation increases the clamping effect of the bracket 35.
  • the material of the bracket 35 is preferably a polymer compound such as a plastic that has strength and is lightweight.
  • the lighting device 1 Prior to installation, the lighting device 1 is first fixed to the cover 30. As shown in FIG. 11, this fixing is performed using four fixing screws 5 and a seal 32 is interposed between the holding portion 30A and the lighting device 1. As a result, the lighting device 1 is fixed to the cover 30 in a state where entry of dust, water and the like is prevented. As shown in FIG. 10, the lighting device 1 is configured such that the lower case 2B is held with a slight gap between the lower case 2B and the inner surface of the holding portion 30A.
  • the fixing to the mirror housing 20 is performed by bringing the cover 30 fixed to the illuminating device 1 close to the opening 21 from below the mirror housing 20, and with respect to the opening 21. It is done by wearing. At this time, the wire harness W of the lighting device 1 is inserted into the mirror housing 20 through the opening 21 in advance.
  • the inner force of the mirror housing 20 is also attached to the bracket 35 to fix the cover 30 to the opening 21.
  • the bracket 35 is attached according to the following procedure. First, the bracket 35 is inserted into the mirror housing 20, and the front portion 35A of the bracket 35 is brought into contact with the mounting seat 22 on the edge portion (front side) of the opening 21 so as to come into contact therewith. As a result, the front portion 35A of the bracket 35 is disposed in front of the boss portions 31a and 31b of the cover 30. Thereafter, as indicated by an arrow E in FIG. 12 (b), the bracket 35 is pulled (pulled) toward the rear portion 35B. Then, the front portion 35A of the bracket 35 moves to the boss portions 31a and 31b side, and the hooks 33a and 33b of the boss portions 31a and 31b are engaged with the engagement groove portions 35a and 35b of the bracket 35.
  • the front side of the cover 30 is held by the front portion 35A of the bracket 35.
  • a slight gap SP is formed in the front-rear direction between the engagement groove portions 35a, 35b and the hooks 33a, 33b, and such a gap SP is formed.
  • the dimensions of each part are set.
  • the fixing screws 39a and 39b are accumulated in the screw holes of the bosses 36a and 36b with the lengths 38a and 38b provided on the mounting rods 37a and 37b of the bracket 35.
  • the edge (rear side) of the opening 21 is clamped between the rear rule and the rear 35B of the bracket 35.
  • each back seat surface 38A (only one is shown in the figure) of the long holes 38a, 38b is provided with an inclined surface 38B for guiding. Since the top rear ends 36A of the bosses 36a, 36b of the cover 30 are opposed to the inclined surface 38B! /, The following effects are obtained. That is, when the fixing screws 39a and 39b are tightened, the top surface rear end 36A force S of the bosses 36a and 36b on the inclined surface 38B, and the pulling force F2 as a component of the hoofing force F1 of the fixing screws 39a and 39b Will occur. Therefore, the bracket 35 is pulled in such a way as to slide toward the rear 35B side, and as shown in Fig. 12 (d), the front rod 35A of the bracket 35 on the opposite bank is connected to the mounting seat 22 of the opening ⁇ 21 and the boss ⁇ 31a, The hooks 33a and 33b of 31b are strongly engaged in a wedge shape.
  • a wedge-shaped angle ⁇ force For example, if set to a small value, the component forces F3 and F4 of the pull-in force F2 act larger than the pull-in force F2.
  • the wedge-shaped angle ⁇ is also small, so the component forces F3 and F4 are perpendicular to each inclined surface with a force greater than the pull-in force F2.
  • the component force F3 acts from the engagement groove portions 35a, 35b of the front portion 35A of the bracket 35 to the hooks 33a, 33b of the boss portion 3 la, 3 lb.
  • Part 35 acts on the mounting seat 22 of the opening 21 from the lower surface of 5A.
  • the cover 30 is pulled upward (inward of the mirror housing 20), and as a result, the front end of the cover 30 is in close contact with the lower surface of the mounting seat 22.
  • the illuminating device 1 is directly fixed to the cover 30 and attached to the mirror housing 20, so that the illustration provided in the mirror housing 20 is provided.
  • the frame is fixed to a non-performing frame or the like, there is an advantage that the frame is not easily affected by deformation or distortion.
  • the outer mirror M in which the positional deviation of the illuminating device 1 (axial misalignment (axis O: see FIGS. 1A and 1B)) occurs is obtained.
  • the degree of freedom in designing the cover 30 is increased, and the cover 30 can be formed in accordance with the shape of the mirror housing 20. Therefore, the outer mirror M having a high design effect can be obtained.
  • the illumination device 1 can be attached to the cover 30, the illumination device 1 can be easily replaced by attaching or removing the cover 30 to or from the mirror housing 20. Outer mirror M with excellent maintainability can be obtained. In addition, the attachment / detachment of the cover 30 can be performed by a downward force on the outside of the mirror housing 20. The lighting device 1 does not interfere with other electrical components. Therefore, the outer mirror M excellent in assembling workability can be obtained.
  • the lighting device 1 is provided in the mirror housing 20 via the cover 30, there is an advantage that damage that is difficult to receive impacts or the like hardly occurs.
  • a camera or other electrical equipment that can image the side of the outer mirror M or the like may be attached to the mirror housing 20 using the structure for attaching the illuminating device 1. Is possible.
  • FIG. 13 is a schematic sectional view showing a modification of the illumination device provided in such an outer mirror M. As shown in FIG. 13
  • a prism 6 is provided as a changing means at the top position of the spheroid, and the lens 4 is disposed ahead of the traveling direction of the light emitted from the prism 6. It becomes the composition.
  • the light emission direction can be changed to an arbitrary direction by the prism 6, which is suitable for a desired range, for example, foot illumination when getting on and off at night. It can also be set to illuminate the wide area of the road surface from the side door S1 to the rear of the vehicle body S. Since the lens 4 is disposed ahead of the traveling direction of the light emitted through the prism 6, it can illuminate a desired range brightly in the same manner as normal illumination without using the prism 6. The advantage of being able to do it is also obtained.
  • a lighting device 1B in which a lower side of the lower case 2B is cut out and a lens 4 is provided there may be used.
  • the emission direction of the light emitted from the lens 4 can be easily changed.
  • the reflecting surface H may be formed by a combination of a reflecting surface H3 having a spheroid force and a reflecting surface H4 having a plane force.
  • Such an illuminating device 1C also has a reflecting surface H3 having a spheroid force, so that it is possible to realize illumination that takes advantage of the characteristics of the spheroid.
  • the width W1 of the reflecting surface H3, which is the spheroid force is the same as or wider than the width W2 of the bulb 3. It is set as follows. This is because if the width W1 of the reflecting surface H3 is made smaller than the width W2 of the bulb 3, the light from the nozzle 3 may not be used effectively, and such a reflecting surface H is formed. This is because it has the difficulty of becoming complicated.
  • the light from the bulb 3 can be condensed at the second focal point B using the reflecting surface H, and is condensed at the second focal point B.
  • Light can pass through the lens 4. Therefore, the light from the bulb 3 can be used effectively, and the advantage that a wide range can be illuminated brightly is obtained.
  • the reflecting surface H3, which is the rotational ellipsoidal force that constitutes the reflecting surface H, is made to be the same as or wider than the width W2 of the bulb 3, so that the slimness of the lighting device 1C is correspondingly increased. (Space saving) can be achieved. Therefore, for example, a compact lighting device 1C suitable for the outer mirror M in which various electrical components are stored can be obtained. Therefore, as shown in FIG. 15 (c), by making the width W1 of the reflecting surface H3 smaller, it is possible to obtain a more compact lighting device 1C.
  • the illuminating device 1D according to the second embodiment is formed by a combination of the reflecting surfaces H5 and H6 made of a plurality of rotating ellipsoidal surfaces and the reflecting surface H7 made of spherical force. It becomes the composition that was made!
  • a rotating ellipsoid D1 having a small angle and a rotating ellipsoid D2 having a larger angle and having a common first and second focal points A and B are combined, and the second A reflecting surface H is formed by combining a spherical surface D3 having a center point overlapping the focal point B.
  • the upper case 2A has a reflecting surface H5 made of a spheroid ellipsoid D1 and a reflecting surface H7 made of a spherical surface D3, and the lower case 2B has a reflecting surface H6 made of a spheroid ellipsoid D2.
  • the joints 2a and 2b between the upper case 2A and the lower case 2B are portions where the reflecting surface H7 of the upper case 2A and the reflecting surface H6 of the lower case 2B intersect. Therefore, in the joints 2a and 2b, the reflecting surfaces H7 and H6 are in an inclined state.
  • the light emitted from the bulb 3 disposed at the first focal point A is directly emitted through the lens 4 disposed on the second focal point B side. Ruho force, each reflective surface H5 After passing through the second focal point B by being reflected several times at ⁇ H7, it finally passes through the lens 4 and is emitted. That is, of the light emitted from the bulb 3, the light reaching the second focal point B side (lens 4 side) reflecting surface H6 is reflected and reflected by the first focal point A bulb 3 or the spherical surface D3 reflecting surface H7. Then, the light is condensed at the second focal point B and passes through the lens 4.
  • this illumination device 1D includes the reflecting surface H5 made of the spheroid ellipsoid D1 with a small angle, the optical path is shortened correspondingly, and the light is effectively directed to the second focal point B side. It will be condensed. Furthermore, since the reflecting surface H7 composed of the spherical surface D3 is provided opposite to the second focal point B side, the light that attempts to return the second focal point B side force to the first focal point A side is also generated. The light is reflected by the reflecting surface H7 and condensed again on the second focal point B side. Therefore, the optical path is shortened accordingly.
  • the light from the bulb 3 is directed to the second focal point B in a short optical path.
  • the reflection surface H is formed by one spheroidal surface as described in the first embodiment, the light from the lens 3 can be collected by the lens. The advantage that the light can be effectively condensed in 4 is obtained.
  • the boundary portion between the reflecting surface H7 and the reflecting surface H6 can be a joint portion of the mold during molding calorie.
  • the reflecting surfaces H7 and H6 have an angle with respect to the mold drawing direction, so that the resistance at the time of mold release is reduced. Can do. Therefore, it is difficult for cracks to occur on the reflecting surfaces H7, H6, etc. in accordance with the mold release work, and a high-quality and highly productive lighting device 1D can be obtained.
  • the lighting device 1D may be configured by combining only a plurality of spheroids, or may be configured by combining a plurality of spherical surfaces on the spheroid.
  • the top and bottom of the upper case 2A and the lower case 2B in the lighting device 1D are reversed so that the bulb 3 is disposed at the second focal point B of the lower case 2B, and the upper case 2B
  • the lens 4 may be provided on the first focal point A side of the case 2A.
  • the light collected at the first focal point A on the lens 4 side is efficiently emitted through the lens 4, and the light from the bulb 3 is effectively used.
  • the Lighting device IE can be obtained.
  • the lighting device 1 may be installed on the mirror base 10 of the outer mirror M, or the lighting device 1 may be installed on the side door S1 or the roof. Further, by emitting the emitted light of the lighting device 1 toward the rear of the automobile, it can be made to function as illumination for visually recognizing the rear. Further, it may be configured to be connected to an actuator (not shown) so that the light emission angle from the illumination device 1 is changed.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Multimedia (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)
  • Lighting Device Outwards From Vehicle And Optical Signal (AREA)
  • Rear-View Mirror Devices That Are Mounted On The Exterior Of The Vehicle (AREA)

Abstract

L’invention prévoit par l’un de ses aspects un illuminateur conçu de manière à ce que la lumière émise par la source de lumière puisse être utilisée efficacement, et de manière à ce qu'il soit compact, et un miroir extérieur muni de cet illuminateur. L'illuminateur (1) comprend une surface réfléchissante (H), dont au moins une partie est constituée d'une surface sphéroïdale et comporte un premier et un deuxième foyer (A, B), une source de lumière (3) placée au niveau du premier foyer (A) de la surface réfléchissante (H), et une lentille (4) placée du côté du deuxième foyer (B) et ajustée de manière à focaliser la lumière émise par la source de lumière (3). La surface réfléchissante (H) comporte au moins une surface réfléchissante (H2) qui renvoie la lumière émise par la source de lumière (3) du côté du premier foyer (A). La lentille (4) est placée au niveau du deuxième foyer (B) ou à l'opposé du premier foyer (A) par rapport au deuxième foyer (B).
PCT/JP2005/008770 2004-09-24 2005-05-13 Illuminateur et miroir exterieur muni de l'illuminateur Ceased WO2006033184A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2004-277501 2004-09-24
JP2004277501A JP2006092930A (ja) 2004-09-24 2004-09-24 照明装置およびこの照明装置を備えたアウターミラー

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WO2006033184A1 true WO2006033184A1 (fr) 2006-03-30

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2018176987A (ja) * 2017-04-12 2018-11-15 株式会社東海理化電機製作所 照射装置

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4618232B2 (ja) * 2006-11-07 2011-01-26 市光工業株式会社 ライン状照明装置
JP5292629B2 (ja) * 2009-01-09 2013-09-18 株式会社オプティックス 照明装置
JP6191101B2 (ja) * 2012-08-22 2017-09-06 市光工業株式会社 車両用照明装置
JP5780227B2 (ja) * 2012-10-19 2015-09-16 岩崎電気株式会社 集光型導光器、及び光源装置
DE102017119542A1 (de) * 2017-08-25 2019-02-28 SMR Patents S.à.r.l. Rückblickvorrichtung und Fahrzeug mit einer solchen Rückblickvorrichtung

Citations (1)

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Publication number Priority date Publication date Assignee Title
JPH04266540A (ja) * 1990-12-01 1992-09-22 Robert Bosch Gmbh 車両用の照明装置

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH04266540A (ja) * 1990-12-01 1992-09-22 Robert Bosch Gmbh 車両用の照明装置

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2018176987A (ja) * 2017-04-12 2018-11-15 株式会社東海理化電機製作所 照射装置

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