WO2009110476A1 - Illuminating device - Google Patents

Illuminating device Download PDF

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Publication number
WO2009110476A1
WO2009110476A1 PCT/JP2009/053980 JP2009053980W WO2009110476A1 WO 2009110476 A1 WO2009110476 A1 WO 2009110476A1 JP 2009053980 W JP2009053980 W JP 2009053980W WO 2009110476 A1 WO2009110476 A1 WO 2009110476A1
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WO
WIPO (PCT)
Prior art keywords
light
light guide
introduction
light source
unit
Prior art date
Application number
PCT/JP2009/053980
Other languages
French (fr)
Japanese (ja)
Inventor
興治 ▲さき▼山
充 上片野
貴司 市川
Original Assignee
株式会社フジクラ
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.)
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Publication date
Application filed by 株式会社フジクラ filed Critical 株式会社フジクラ
Publication of WO2009110476A1 publication Critical patent/WO2009110476A1/en

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    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/24—Coupling light guides
    • G02B6/42—Coupling light guides with opto-electronic elements
    • G02B6/4298—Coupling light guides with opto-electronic elements coupling with non-coherent light sources and/or radiation detectors, e.g. lamps, incandescent bulbs, scintillation chambers
    • 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
    • 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
    • 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

Definitions

  • the present invention relates to an illuminating device, and more particularly to an illuminating device that emits light from a side surface of the light guide by making light incident on the light guide from a light source.
  • the light guide is made to shine by making light incident on the light guide and used for illumination of automobiles.
  • FIG. 12 is a schematic diagram showing a configuration of a lighting device using a conventional light guide. Light is directly incident on the light guide 110 from its longitudinal end using a light source 130 such as an LED (Light Emitting Diode).
  • a light source 130 such as an LED (Light Emitting Diode).
  • a concave portion 111 is provided along the longitudinal direction inside the light guide body 110, and light incident from the light source 130 is reflected by the concave portion 111, and light is emitted in the side surface direction of the light guide body 110. As a result, the entire light guide 110 is illuminated.
  • Such an illuminating device is used, for example, for a scuff plate, a side turn signal lamp, or the like (see, for example, Patent Documents 1 and 2).
  • Japanese Patent Laid-Open No. 2007-145082 JP 2007-250290 A Japanese Patent Laid-Open No. 2007-145082 JP 2007-250290 A
  • FIG. 13 is a diagram illustrating a state in which a lighting device using a conventional light guide is housed in a case. As shown in FIG. 13, the lighting device is housed in a case 140 and is handled as a lighting unit.
  • FIG. 14 is a diagram showing an application example of a conventional lighting unit
  • FIG. 14 (A) is a diagram showing an application example of a lighting unit to components
  • FIG. 14 (B) is a diagram showing a conventional lighting unit. It is an application assumption figure when it assumes that it attached.
  • This invention is made in view of such a point, and it aims at providing the illuminating device which can arrange
  • the light source, the introduction part that guides light from the light source arranged at one end part, and the other end part of the introduction part are connected so as to be inclined in the middle part. And a light guide that reflects the light from the light source and emits it to the outside by a reflecting surface formed inside.
  • the introduction part connected to the middle part of the light guide inclines enters the light from the light source provided at one end, and the reflection surface provided in the light guide is The light introduced from the introduction part into the light guide is reflected to the outside of the light guide.
  • the light source, the light guide that reflects the light from the light source by the reflecting surface formed inside and emits the light to the outside, the light guide and the light guide are disposed so as to be inclined. Is disposed so as to be adjacent to one end of the light guide, and an introduction part that guides light from the light source disposed at the other end, one end of the light guide, and one end of the introduction part And a reflection unit that reflects light guided through the introduction unit to the light guide.
  • the reflection part which connects the one end part of a light guide with the one end part of an introduction part reflects the light which guides the introduction part from a light source with respect to a light guide, and the reflection formed in the light guide The surface reflects light to the outside of the light guide.
  • the light emitted from the light source is incident on the light guide through the introduction portion that is connected to the light guide at an angle.
  • the light guide can be illuminated without providing a light source at the direction end.
  • the introduction part may be provided at a predetermined position of the light guide in accordance with the arrangement with respect to the attachment.
  • the degree of freedom of arrangement with respect to is improved.
  • the introduction portion can be increased without using a light source with a high unit price and high luminous intensity. This will reduce costs.
  • FIG. 1 is a diagram illustrating a configuration of the lighting apparatus according to the present embodiment.
  • the end portions of the introduction parts 121 and 122 are connected to the side surface of the light guide part 110 in the longitudinal direction so as to be inclined with respect to the longitudinal direction of the light guide part 110.
  • Light sources 131 and 132 are provided at the longitudinal ends of the introduction parts 121 and 122, respectively.
  • the light emitted from the light source 131 is guided through the introduction part 121 and introduced into the light guide part 110.
  • the light guide body 110 and the introduction parts 121 and 122 may be transparent materials, and columnar objects made of synthetic resins such as acrylic resin, polycarbonate resin, silicone resin, and cyclopolyolefin resin, and glass rods are used. Of these, acrylic columnar materials are preferred from the viewpoints of transparency and ease of processing.
  • the light introduced into the light guide body 110 travels relatively in the introduction direction while being totally reflected by the inner wall of the light guide body 110. That is, the light introduced from the introduction part 121 travels through the light guide body left side part 110 ⁇ / b> A that is the left side of the light guide part 110 shown in FIG. 1.
  • the reflecting surface of the concave portion 111 provided in the left side of the light guide 110A is provided so as to face the traveling direction of the introduced light.
  • the light guide body left side portion 110A shines by reflecting off the side surface of 110A and exiting to the outside.
  • the light introduced from the introduction part 122 travels through the light guide right part 110B, which is the right side of the light guide part 110 shown in FIG.
  • the light guide right side portion 110B shines by being reflected by the concave portion 111 provided in the body right side portion 110B.
  • the recess 111 is, for example, a notch provided on the outer side surface of the light guide unit 110 so that light introduced from the introduction units 121 and 122 is reflected in the side surface direction of the light guide unit 110.
  • the angle of the reflecting surface is adjusted according to the shape of the notch formed.
  • the entire side surface of the light guide body 110 can be illuminated without providing a light source at the longitudinal end of the light guide body 110, and the function as an illumination device is exhibited. Moreover, since it is not necessary to provide a light source in the longitudinal direction edge part of the light guide part 110, the longitudinal direction edge part of the light guide part 110 can be arrange
  • the recessed part 111 is good also as a structure which provides a reflective surface in both the left-right direction both surfaces in FIG.
  • the connecting portions of the light guide body 110 and the introducing portions 121 and 122 it is possible to efficiently reflect light traveling from both the left and right directions introduced from the introducing portions 121 and 122. .
  • the size of the recess 111 that is, the depth of the notch can be appropriately adjusted according to the amount of light to be reflected.
  • the reflecting surface becomes larger as it approaches the end, that is, the depth of the notch, according to the amount of attenuation. Adjustment such as making the longitudinal side surface of the light guide body 110 shine evenly by increasing the depth is conceivable.
  • FIG. 2 is a diagram illustrating a state in which the lighting unit according to the present embodiment is housed in a case.
  • the illumination unit 100 is configured by housing the light guide part 110, the introduction parts 121 and 122, and the light sources 131 and 132 in the case 140.
  • FIG. 3 is a diagram illustrating an installation example when the lighting unit according to the present embodiment is installed on a component.
  • the lighting unit 100 is installed on the component 200.
  • the end portion in the longitudinal direction of the light guide body 110 can be disposed up to the vicinity of the end portion of the component 200. This can be applied to various things. Next, the case where it installs in a door mirror is demonstrated.
  • FIG. 4 is a diagram illustrating an installation example of the lighting unit of the present embodiment on the door mirror.
  • the door mirror 300 of the automobile may be provided with a door mirror turn signal for direction indication.
  • the illumination unit 100 of the present embodiment it is possible to dispose the door mirror 300 to the end thereof.
  • the light guide 110 does not necessarily have to be curved, and the present invention can be applied even if it has a linear shape.
  • FIG. 5 is a diagram illustrating an installation example of the lighting unit of the present embodiment in the grab box.
  • a lighting fixture is often provided at the upper part of the grab box so as to illuminate the grab box at night.
  • the lighting unit 100 of this embodiment is also useful to use as such a lighting fixture. More specifically, for example, when a miniature light bulb is provided at the upper center of the grab box 400, it is difficult for light to reach the left and right end portions inside the grab box 400, and the inside may be difficult to see.
  • the illumination unit 100 of the present embodiment light is radiated from the entire side surface of the light guide body 110, so that the light easily reaches the left and right ends of the grab box 400. Further, as long as there is a request to install the light so that the light can reach the left and right ends, there is a request to install the light guide unit 110 as far as possible to the left and right ends.
  • the illumination unit 100 of the present embodiment does not need to be provided with the light source at the end portion in the longitudinal direction of the light guide body 110, and therefore meets the demand. In this manner, by introducing light from the introduction portions 121 and 122 provided in the middle of the light guide body 110 in the longitudinal direction, the illumination unit 100 can be installed close to the end of the component.
  • an illumination device will be described in which a plurality of introduction portions are provided in the light guide body 110, but a light source need not be provided in each introduction portion.
  • the illumination device of the present embodiment is the same as that of the first embodiment except that the light incident method from the light source to the light guide unit 110 is different. For this reason, about the component similar to the said 1st Embodiment, the same code
  • FIG. 6 is a diagram illustrating a configuration of the lighting apparatus according to the present embodiment. As shown in FIG. 6, in the middle of the light guide body 110 in the longitudinal direction from the left in FIG. 6, introduction parts 2121 and 2122 that form an angle with the longitudinal direction of the light guide body 110 are provided.
  • a light source 130 is provided at the longitudinal end of the introduction part 2121, and a reflection part 150 is provided at the longitudinal end of the introduction part 2122.
  • the light emitted from the light source 130 is introduced into the light guide unit 110 through the introduction unit 2121 and also into the introduction unit 2122.
  • the light introduced into the light guide body 110 travels relatively in the introduction direction while being totally reflected by the inner wall of the light guide body 110. That is, the light introduced from the introduction part 2121 travels through the light guide right part 110C, which is the right side of the light guide part 110 shown in FIG.
  • the reflecting surface of the concave portion 111 provided in the right side of the light guide 110C is provided so as to face the traveling direction of the introduced light. By reflecting on the side surface of 110C, the right side of the light guide 110C shines.
  • the light introduced from the light source 130 to the introduction part 2122 via the introduction part 2121 is reflected by the reflection part 150 and again introduced to the light guide left part 110D through the introduction part 2122.
  • the light introduced into the light guide body 110 travels relatively in the introduction direction while being totally reflected by the inner wall of the light guide body 110. That is, the light introduced from the introduction part 2122 travels through the light guide left part 110D, which is the left side of the light guide part 110 shown in FIG.
  • the reflection surface of the concave portion 111 provided in the light guide left portion 110D is provided so as to face the traveling direction of the introduced light.
  • the light guide left side portion 110D shines by reflecting off the side surface of 110D.
  • the function as an illuminating device is exhibited when all the side surfaces of the light guide member 110 shine.
  • the illumination device of the present embodiment is the same as that of the second embodiment, except that the reflection unit 150 is provided at the end of the light guide body 110 of the introduction unit. For this reason, about the component similar to the said 2nd Embodiment, the same code
  • FIG. 7 is a diagram illustrating a configuration of an illumination device in which a reflection unit is provided at an end portion in the longitudinal direction of the light guide unit.
  • a reflective portion 150 is provided at a position adjacent to the longitudinal end portion of the light guide portion 110, and an introduction portion 3120 is disposed so as to be inclined with respect to the longitudinal direction.
  • the reflection part 150 connects the end part of the light guide part 110 in the longitudinal direction and the end part of the introduction part 3120. Thereby, the reflection unit 150 can reflect the light guided through the introduction unit 3120 to the light guide unit 110.
  • a light source 130 is provided at one end in the longitudinal direction of the introduction part 3120, and a reflection part 150 is provided at the other end in the longitudinal direction of the introduction part 3120.
  • the light emitted from the light source 130 is reflected by the reflection unit 150 through the introduction unit 3120 and introduced into the light guide unit 110.
  • the light introduced into the light guide body 110 travels relatively in the introduction direction while being totally reflected by the inner wall of the light guide body 110. That is, the light introduced from the introduction part 3120 travels through the light guide part 110.
  • the reflection surface of the concave portion 111 provided in the light guide body 110 is provided so as to face the traveling direction of the introduced light.
  • the light guide part 110 shines by reflecting on the side surface.
  • the function as an illuminating device is exhibited when all the side surfaces of the light guide member 110 shine.
  • the illumination device of the present embodiment is the same as that of the first embodiment, except that three or more introduction parts are provided in the middle of the light guide part 110. For this reason, about the component similar to the said 1st Embodiment, the same code
  • FIG. 8 is a diagram illustrating a configuration of the lighting apparatus according to the present embodiment. As shown in FIG. 8, introduction portions 4121, 4122, 4123, and 4124 that form an angle with the longitudinal direction are provided on the side surface in the longitudinal direction of the light guide body 110.
  • a light source 130 is provided at each of longitudinal ends of the introduction parts 4121, 4122, 4123, 4124.
  • the light emitted from the light source 130 is introduced into the light guide body 110 via the introduction parts 4121, 4122, 4123, 4124, respectively.
  • the light introduced into the light guide body 110 proceeds in the introduction direction while being totally reflected by the inner wall of the light guide body 110 as in the above-described embodiment, and is provided inside the light guide body 110.
  • the light is reflected by the reflecting part 150 so that it is reflected by the side surface of the light guide part 110 and all the side faces of the light guide part 110 are illuminated.
  • the entire side surface of the light guide body 110 can be illuminated without providing a light source at the longitudinal end of the light guide body 110, and the function as an illumination device is exhibited. Moreover, since it is not necessary to provide a light source in the longitudinal direction edge part of the light guide part 110, the longitudinal direction edge part of the light guide part 110 can be arrange
  • various gradations can be expressed for each portion by adjusting the amount of light emitted for each portion of the light guide unit 110 or changing the color of the light source 130. Further, when a high luminous intensity is required for the lighting device, the request can be met without using the light source 130 having a high luminous intensity.
  • the lighting device may be configured using a large number of light sources. At this time, when a high luminous intensity is not required depending on the part, it is also conceivable to replace a part of the light source with a reflecting part that can be configured at a lower cost than using the light source.
  • the illumination device of the present embodiment is the same as that of the fourth embodiment, except that a part of a plurality of light sources provided is replaced with a reflection unit. For this reason, about the component similar to the said 4th Embodiment, the same code
  • FIG. 9 is a diagram illustrating a configuration of an illumination device in which a part of the light sources is replaced with a reflection unit. As shown in FIG. 9, introduction portions 5121, 5122, 5123, and 5124 that form an angle with the longitudinal direction are provided on the side surface in the longitudinal direction of the light guide body 5110.
  • a light source 130 is provided at each longitudinal end of the introduction parts 5121, 5123, 5124, and a reflection part 150 is provided at each longitudinal end of the introduction part 5122.
  • the light emitted from the light source 130 is introduced into the light guide unit 110 through the introduction units 5121, 5123, and 5124, respectively.
  • the light introduced into the light guide body 110 proceeds in the introduction direction while being totally reflected by the inner wall of the light guide body 110 as in the above-described embodiment, and is provided inside the light guide body 110.
  • the light is reflected by the reflecting part 150 so as to be reflected by the side surface of the light guide part 110, and the side surface of the light guide part 110 is illuminated.
  • the light introduced from the introduction unit 5121 to the light guide unit 110 is reflected by the reflection unit 150 via the introduction unit 5122 and introduced from the introduction unit 5122 to the light guide unit 110.
  • the introduced light is reflected on the side surface of the light guide unit 110 as described above, and the side surface of the light guide unit 110 shines.
  • the entire side surface of the light guide body 110 can be illuminated without providing a light source at the longitudinal end of the light guide body 110, and the function as an illumination device is exhibited. Moreover, since it is not necessary to provide a light source in the longitudinal direction edge part of the light guide part 110, the longitudinal direction edge part of the light guide part 110 can be arrange
  • a part of the light guide part 110 is long (for example, the L part in FIG. 9), a plurality of light sources can be used, so that the light intensity at the end of the light guide part 110 is insufficient. In other words, all the side surfaces of the light guide body 110 can be uniformly illuminated with high luminous intensity.
  • the light introduced from the light source shines on the side surface of the light guide unit 110, but the light may be emitted to the end of the light guide unit 110.
  • an illumination device that emits light also to the end portion of the light guide unit 110 will be described.
  • the illumination device of the present embodiment is the same as that of the first embodiment except that light is emitted also to the end portion of the light guide body 110. For this reason, about the component similar to the said 1st Embodiment, the same code
  • FIG. 10 is a diagram illustrating an example in which the lighting unit of the present embodiment is applied to a door mirror. As shown in FIG. 10, the illumination unit 6100 of this embodiment is applied to a door mirror 300.
  • the light introduced from the light source 130 to the light guide body 6110 through the introduction section is reflected by the reflection section, reflected to the side surface of the light guide section 6110, and the light guide section 6110.
  • the light is emitted from the end in the longitudinal direction.
  • the emission of light from the end portion of the light guide portion 6110 will be described with reference to a cross-sectional view of the light guide portion 6110.
  • FIG. 11 is a side cross-sectional view of the light guide section in the illumination unit of the present embodiment.
  • the light introduced from the light source 130 to the light guide unit 6110 via the introduction unit is reflected by the recess 111 provided inside the light guide unit 6110, and the lens.
  • the light is reflected to the side surface (upward in FIG. 11) of the light guide portion 6110 via 6111 and is emitted from the end portion 6112 in the longitudinal direction of the light guide portion 6110.
  • the side surface of the light guide portion 6110 shines and light is also emitted from the end portion of the light guide portion 6110, so that it is used as a lighting device having both decorative light emission and turn signal functionality. It becomes possible.

Abstract

An end portion of a light guide body is permitted to be arranged as far as on an end portion of a mounting component in an illuminating device. The illuminating device is provided with a light source; a guide section for guiding light emitted from the light source arranged on one end portion; and the light guide body wherein the other end portion of the guide section is diagonally connected to an intermediate portion, and light emitted from the light source is reflected by a reflection surface formed inside and outputted to the outside.

Description

照明装置Lighting device
　本発明は、照明装置に関し、特に導光体に対して光源から光を入射することにより、前記導光体側面から光を出射する照明装置に関する。 The present invention relates to an illuminating device, and more particularly to an illuminating device that emits light from a side surface of the light guide by making light incident on the light guide from a light source.
　近年、導光体に光を入射することにより導光体を光らせ、自動車のイルミネーションなどに用いられることがある。 In recent years, the light guide is made to shine by making light incident on the light guide and used for illumination of automobiles.
　図１２は、従来の導光体を用いた照明装置の構成を示す概略図である。
　導光体１１０には、その長手方向端部からＬＥＤ（Light Emitting Diode）などの光源１３０を用いて光を直接入射する。 FIG. 12 is a schematic diagram showing a configuration of a lighting device using a conventional light guide.
Light is directly incident on the light guide 110 from its longitudinal end using a light source 130 such as an LED (Light Emitting Diode).
　導光体１１０の内部には、長手方向に沿って凹部１１１が設けられており、光源１３０から入射された光がその凹部１１１に反射して、導光体１１０の側面方向に光が出射されることにより、導光体１１０の全体が光る。 A concave portion 111 is provided along the longitudinal direction inside the light guide body 110, and light incident from the light source 130 is reflected by the concave portion 111, and light is emitted in the side surface direction of the light guide body 110. As a result, the entire light guide 110 is illuminated.
　このような照明装置は、たとえばスカッフプレートやサイドターンシグナルランプなどに用いられる（たとえば、特許文献１および２参照）。
特開２００７－１４５０８２号公報 特開２００７－２５０２９０号公報 Such an illuminating device is used, for example, for a scuff plate, a side turn signal lamp, or the like (see, for example, Patent Documents 1 and 2).
Japanese Patent Laid-Open No. 2007-145082 JP 2007-250290 A
　しかし、照明装置の配置態様に限界があるという問題があった。図１３は、従来の導光体を用いた照明装置をケースに収納した状態を示す図である。図１３に示すように、照明装置はケース１４０に収納されて、照明ユニットとして取り扱われる。 However, there is a problem that there is a limit to the arrangement of lighting devices. FIG. 13 is a diagram illustrating a state in which a lighting device using a conventional light guide is housed in a case. As shown in FIG. 13, the lighting device is housed in a case 140 and is handled as a lighting unit.
　しかし、導光体１１０の長手方向端部から光を入射しているため、ケース１４０に収納してユニット化したとき、導光体１１０の長手方向端部には光源１３０を収納するための張り出し部１４１を設けなくてはならない。そうすると、照明ユニットを設置するときに設置上の制約が生じる。以下、照明ユニットの適用例を用いて具体的に説明する。 However, since light is incident from the end in the longitudinal direction of the light guide 110, when it is housed in the case 140 and unitized, an overhang for housing the light source 130 in the end in the longitudinal direction of the light guide 110. The part 141 must be provided. If it does so, the restrictions on installation will arise when installing a lighting unit. Hereinafter, it demonstrates concretely using the application example of a lighting unit.
　図１４は、従来の照明ユニットの適用例を示す図であり、図１４（Ａ）は、照明ユニットの部品への適用例を示す図であり、図１４（Ｂ）は、従来の照明ユニットを取り付けたとした場合の適用想定図である。 FIG. 14 is a diagram showing an application example of a conventional lighting unit, FIG. 14 (A) is a diagram showing an application example of a lighting unit to components, and FIG. 14 (B) is a diagram showing a conventional lighting unit. It is an application assumption figure when it assumes that it attached.
　図１４（Ａ）に示すように、照明ユニットの取り付けを所望する部品２００において、照明ユニットの導光体部１１０の長手方向端部に光源１３０を設置するスペースがないときがある。 As shown in FIG. 14A, in the component 200 where it is desired to attach the lighting unit, there is sometimes no space for installing the light source 130 at the longitudinal end of the light guide 110 of the lighting unit.
　図１４（Ｂ）に示すように、このような部品２００に対して従来の照明ユニットを取り付けようとすると、部品２００の外側に張り出し部１４１を設けないといけないという問題がある。
　もしくは、張り出し部１４１を設けることができないときには、部品２００の端部まで導光体１１０を配置する方法をあきらめざるを得ないという問題がある。 As shown in FIG. 14B, when a conventional lighting unit is attached to such a component 200, there is a problem that an overhanging portion 141 must be provided outside the component 200.
Or when the overhang | projection part 141 cannot be provided, there exists a problem that the method of arrange | positioning the light guide 110 to the edge part of the component 200 must be given up.
　本発明はこのような点に鑑みてなされたものであり、導光体の端部を装着部品の端部まで配置できる照明装置を提供することを目的とする。 This invention is made in view of such a point, and it aims at providing the illuminating device which can arrange | position the edge part of a light guide to the edge part of a mounting component.
　本発明では、上記問題を解決するために、光源と、一端部に配置された前記光源からの光を導光する導入部と、途中部と傾斜するように前記導入部の他端部が接続され、内部に形成された反射面によって前記光源からの光を反射して外部へ出射する導光体とを備えることを特徴とする照明装置が提供される。 In the present invention, in order to solve the above problem, the light source, the introduction part that guides light from the light source arranged at one end part, and the other end part of the introduction part are connected so as to be inclined in the middle part. And a light guide that reflects the light from the light source and emits it to the outside by a reflecting surface formed inside.
　これにより、導光体の途中部に傾斜して接続された導入部が、一端部に設けられた光源からの光を導光体に対して入射し、導光体内に設けられた反射面が、導入部から導光体内へ導入された光を導光体の外部へ反射する。 Thereby, the introduction part connected to the middle part of the light guide inclines enters the light from the light source provided at one end, and the reflection surface provided in the light guide is The light introduced from the introduction part into the light guide is reflected to the outside of the light guide.
　また、本発明では、光源と、内部に形成された反射面によって前記光源からの光を反射して外部へ出射する導光体と、前記導光体と傾斜するように配置されるとともに、一端部が前記導光体の一端部と隣接するように配置され、他端部に配置された前記光源からの光を導光する導入部と、前記導光体の一端部と前記導入部の一端部とを接続するとともに、前記導入部を導光する光を前記導光体へと反射する反射部とを備えることを特徴とする照明装置が提供される。 According to the present invention, the light source, the light guide that reflects the light from the light source by the reflecting surface formed inside and emits the light to the outside, the light guide and the light guide are disposed so as to be inclined. Is disposed so as to be adjacent to one end of the light guide, and an introduction part that guides light from the light source disposed at the other end, one end of the light guide, and one end of the introduction part And a reflection unit that reflects light guided through the introduction unit to the light guide.
　これにより、導光体の一端部と導入部の一端部とを接続する反射部が、光源から導入部を導光する光を導光体に対して反射し、導光体内に形成された反射面が、光を導光体の外部へ反射する。 Thereby, the reflection part which connects the one end part of a light guide with the one end part of an introduction part reflects the light which guides the introduction part from a light source with respect to a light guide, and the reflection formed in the light guide The surface reflects light to the outside of the light guide.
　本発明の照明装置によれば、導光体に対して傾斜して接続される導入部を介して、光源から出射された光が導光体に対して入射されるので、導光体の長手方向端部に光源を設けることなく導光体を光らせることができる。 According to the illuminating device of the present invention, the light emitted from the light source is incident on the light guide through the introduction portion that is connected to the light guide at an angle. The light guide can be illuminated without providing a light source at the direction end.
　つまり、光源を設ける位置が導光体の長手方向端部に限定されないので、装着部品に対する配置に合わせて、導光体の所定の位置に導入部を設ければよいことになるので、装着部品に対する配置の自由度が向上する。 That is, since the position where the light source is provided is not limited to the longitudinal end of the light guide, the introduction part may be provided at a predetermined position of the light guide in accordance with the arrangement with respect to the attachment. The degree of freedom of arrangement with respect to is improved.
　また、光源を設ける位置が導光体の長手方向端部に限定されないので、高い光度が要求されたときであっても、単価が高い、光度が高い光源を用いなくても、導入部を増やせばよいことになるので、コストが低減する。 In addition, since the position where the light source is provided is not limited to the longitudinal end portion of the light guide, even if a high luminous intensity is required, the introduction portion can be increased without using a light source with a high unit price and high luminous intensity. This will reduce costs.
本実施の形態の照明装置の構成を示す図である。It is a figure which shows the structure of the illuminating device of this Embodiment. 本実施の形態の照明ユニットをケースに収納した状態を示す図である。It is a figure which shows the state which accommodated the illumination unit of this Embodiment in the case. 本実施の形態の照明ユニットを部品に設置したときの設置例を示す図である。It is a figure which shows the example of installation when the illumination unit of this Embodiment is installed in components. 本実施の形態の照明ユニットのドアミラーへの設置例を示す図である。It is a figure which shows the example of installation to the door mirror of the illumination unit of this Embodiment. 本実施の形態の照明ユニットのグラブボックスへの設置例を示す図である。It is a figure which shows the example of installation to the grab box of the illumination unit of this Embodiment. 本実施の形態の照明装置の構成を示す図である。It is a figure which shows the structure of the illuminating device of this Embodiment. 導光体部の長手方向端部に反射部を設けた照明装置の構成を示す図である。It is a figure which shows the structure of the illuminating device which provided the reflection part in the longitudinal direction edge part of the light guide part. 本実施の形態の照明装置の構成を示す図である。It is a figure which shows the structure of the illuminating device of this Embodiment. 一部の光源を反射部に置き換えた照明装置の構成を示す図である。It is a figure which shows the structure of the illuminating device which replaced some light sources with the reflection part. 本実施の形態の照明ユニットをドアミラーに適用した例を示す図である。It is a figure which shows the example which applied the illumination unit of this Embodiment to the door mirror. 本実施の形態の照明ユニットにおける導光体部の側方断面図である。It is side sectional drawing of the light guide part in the illumination unit of this Embodiment. 従来の導光体を用いた照明装置の構成を示す概略図である。It is the schematic which shows the structure of the illuminating device using the conventional light guide. 従来の導光体を用いた照明装置をケースに収納した状態を示す図である。It is a figure which shows the state which accommodated the illuminating device using the conventional light guide in the case. （Ａ）及び（Ｂ）は、従来の照明ユニットの適用例を示す図である。(A) And (B) is a figure which shows the example of application of the conventional illumination unit.
　以下、本発明の実施の形態を図面を参照して詳細に説明する。
　〔第１の実施の形態〕
　図１は、本実施の形態の照明装置の構成を示す図である。
　図１に示すように、導光体部１１０の長手方向の途中部の側面には、導光体部１１０の長手方向と傾斜するように導入部１２１，１２２の端部が接続されている。 Hereinafter, embodiments of the present invention will be described in detail with reference to the drawings.
[First Embodiment]
FIG. 1 is a diagram illustrating a configuration of the lighting apparatus according to the present embodiment.
As shown in FIG. 1, the end portions of the introduction parts 121 and 122 are connected to the side surface of the light guide part 110 in the longitudinal direction so as to be inclined with respect to the longitudinal direction of the light guide part 110.
　導入部１２１，１２２の長手方向端部には、光源１３１，１３２がそれぞれ設けられている。光源１３１から照射された光は、導入部１２１を導光して導光体部１１０に導入される。 Light sources 131 and 132 are provided at the longitudinal ends of the introduction parts 121 and 122, respectively. The light emitted from the light source 131 is guided through the introduction part 121 and introduced into the light guide part 110.
　導光体部１１０および導入部１２１，１２２は、透明な材料であればよく、アクリル樹脂、ポリカーボネート樹脂、シリコーン樹脂、シクロポリオレフィン樹脂などの合成樹脂からなる柱状物や、ガラス棒などが用いられ、その中でも透明性、加工の容易さなどの点からアクリル柱状物が好ましい。 The light guide body 110 and the introduction parts 121 and 122 may be transparent materials, and columnar objects made of synthetic resins such as acrylic resin, polycarbonate resin, silicone resin, and cyclopolyolefin resin, and glass rods are used. Of these, acrylic columnar materials are preferred from the viewpoints of transparency and ease of processing.
　導光体部１１０に導入された光は、導光体部１１０の内壁で全反射しながら相対的に導入方向に進行する。
　つまり、導入部１２１から導入された光は、導光体部１１０の図１に示す左側である導光体左側部１１０Ａを進行することになる。 The light introduced into the light guide body 110 travels relatively in the introduction direction while being totally reflected by the inner wall of the light guide body 110.
That is, the light introduced from the introduction part 121 travels through the light guide body left side part 110 </ b> A that is the left side of the light guide part 110 shown in FIG. 1.
　このとき、導光体左側部１１０Ａ内に設けられた凹部１１１の反射面は、導入されてくる光の進行方向と対向するように設けられており、進行されてくる光を導光体左側部１１０Ａの側面に反射して外部に出射することによって導光体左側部１１０Ａが光ることになる。 At this time, the reflecting surface of the concave portion 111 provided in the left side of the light guide 110A is provided so as to face the traveling direction of the introduced light. The light guide body left side portion 110A shines by reflecting off the side surface of 110A and exiting to the outside.
　一方で、導入部１２２から導入された光も、導入部１２１から導入された光と同様に、導光体部１１０の図１に示す右側である導光体右側部１１０Ｂを進行し、導光体右側部１１０Ｂ内に設けられた凹部１１１に反射されて導光体右側部１１０Ｂが光る。 On the other hand, similarly to the light introduced from the introduction part 121, the light introduced from the introduction part 122 travels through the light guide right part 110B, which is the right side of the light guide part 110 shown in FIG. The light guide right side portion 110B shines by being reflected by the concave portion 111 provided in the body right side portion 110B.
　この凹部１１１は、たとえば導光体部１１０の側面外側に設けられた切り欠きであって、導入部１２１，１２２から導入されてくる光が、導光体部１１０の側面方向に反射するように、形成された切り欠きの形状によって反射面の角度が調整される。 The recess 111 is, for example, a notch provided on the outer side surface of the light guide unit 110 so that light introduced from the introduction units 121 and 122 is reflected in the side surface direction of the light guide unit 110. The angle of the reflecting surface is adjusted according to the shape of the notch formed.
　このような構成により、導光体部１１０の長手方向端部に光源を設けることなく導光体部１１０の全側面を光らせることができ、照明装置としての機能を発揮する。
　また、導光体部１１０の長手方向端部に光源を設けなくてもよいので、部品の端部近傍にまで導光体部１１０の長手方向端部を配置することができる。 With such a configuration, the entire side surface of the light guide body 110 can be illuminated without providing a light source at the longitudinal end of the light guide body 110, and the function as an illumination device is exhibited.
Moreover, since it is not necessary to provide a light source in the longitudinal direction edge part of the light guide part 110, the longitudinal direction edge part of the light guide part 110 can be arrange | positioned to the edge part vicinity of components.
　なお、凹部１１１は、図１における左右方向両面に反射面を設ける構成としてもよい。特に、導光体部１１０の導入部１２１，１２２との各接続部分間においては、各導入部１２１，１２２から導入された左右両方向から進行してくる光を効率よく反射させることが可能となる。 In addition, the recessed part 111 is good also as a structure which provides a reflective surface in both the left-right direction both surfaces in FIG. In particular, between the connecting portions of the light guide body 110 and the introducing portions 121 and 122, it is possible to efficiently reflect light traveling from both the left and right directions introduced from the introducing portions 121 and 122. .
　また、導光体部１１０の長手方向端部で光が全反射することによって、導入方向とは逆方向に光が進行する場合においても、凹部１１１の左右方向両面に反射面を設けることは有用である。 In addition, it is useful to provide reflecting surfaces on both the left and right sides of the recess 111 even when the light travels in the direction opposite to the introduction direction due to the total reflection of light at the longitudinal end of the light guide 110. It is.
　さらに、凹部１１１の大きさ、つまり切り欠きの深さは、反射させたい光量に合わせて適宜調整することが可能である。
　一般的に、導光体部１１０の長手方向端部に近づくにつれて、導入された光は減衰することから、その減衰量に合わせて、端部に近づくにつれて反射面を大きく、つまり切り欠きの深さを深くすることにより、導光体部１１０の長手方向側面が均等に光るようにするなどの調整が考えられる。 Furthermore, the size of the recess 111, that is, the depth of the notch can be appropriately adjusted according to the amount of light to be reflected.
In general, since the introduced light attenuates as it approaches the longitudinal end of the light guide 110, the reflecting surface becomes larger as it approaches the end, that is, the depth of the notch, according to the amount of attenuation. Adjustment such as making the longitudinal side surface of the light guide body 110 shine evenly by increasing the depth is conceivable.
　図２は、本実施の形態の照明ユニットをケースに収納した状態を示す図である。
　照明ユニット１００は、導光体部１１０、導入部１２１，１２２、および光源１３１，１３２をケース１４０内に収納することにより構成されている。 FIG. 2 is a diagram illustrating a state in which the lighting unit according to the present embodiment is housed in a case.
The illumination unit 100 is configured by housing the light guide part 110, the introduction parts 121 and 122, and the light sources 131 and 132 in the case 140.
　図３は、本実施の形態の照明ユニットを部品に設置したときの設置例を示す図である。図３に示すように、部品２００に照明ユニット１００を設置している。
　このとき、部品２００の端部近傍まで導光体部１１０の長手方向端部を配置することができる。
　これは、様々なものに応用可能である。次に、ドアミラーに設置した場合について説明する。 FIG. 3 is a diagram illustrating an installation example when the lighting unit according to the present embodiment is installed on a component. As shown in FIG. 3, the lighting unit 100 is installed on the component 200.
At this time, the end portion in the longitudinal direction of the light guide body 110 can be disposed up to the vicinity of the end portion of the component 200.
This can be applied to various things. Next, the case where it installs in a door mirror is demonstrated.
　図４は、本実施の形態の照明ユニットのドアミラーへの設置例を示す図である。
　自動車のドアミラー３００には、方向指示のためのドアミラーターンシグナルが設けられることがある。 FIG. 4 is a diagram illustrating an installation example of the lighting unit of the present embodiment on the door mirror.
The door mirror 300 of the automobile may be provided with a door mirror turn signal for direction indication.
　このとき、本実施の形態の照明ユニット１００によれば、ドアミラー３００の端部まで寄せて配置することができる。
　なお、導光体部１１０は、必ずしも湾曲している必要はなく、直線形状であっても本発明を適用することが可能である。 At this time, according to the illumination unit 100 of the present embodiment, it is possible to dispose the door mirror 300 to the end thereof.
The light guide 110 does not necessarily have to be curved, and the present invention can be applied even if it has a linear shape.
　次に、導光体部１１０が直線形状である照明ユニット１００の適用例を説明する。
　図５は、本実施の形態の照明ユニットのグラブボックスへの設置例を示す図である。
　グラブボックスの内部上部には、夜間にグラブボックス内を照らすように照明器具が備えられていることが多い。 Next, an application example of the illumination unit 100 in which the light guide body 110 has a linear shape will be described.
FIG. 5 is a diagram illustrating an installation example of the lighting unit of the present embodiment in the grab box.
A lighting fixture is often provided at the upper part of the grab box so as to illuminate the grab box at night.
　このような照明器具として、本実施の形態の照明ユニット１００を用いることも有用である。
　より具体的には、たとえば豆電球がグラブボックス４００の中央上部に備えられているような場合は、グラブボックス４００内部における左右端部に光が届きにくく、中のものが見えにくいことがある。 It is also useful to use the lighting unit 100 of this embodiment as such a lighting fixture.
More specifically, for example, when a miniature light bulb is provided at the upper center of the grab box 400, it is difficult for light to reach the left and right end portions inside the grab box 400, and the inside may be difficult to see.
　しかし、本実施の形態の照明ユニット１００によれば、光が導光体部１１０の側面全体から放射されるので、グラブボックス４００の左右端部にも光が届きやすくなる。
　また、左右端部に対しても光が届くように設置したいという要請がある以上、なるべく左右端まで導光体部１１０が配置されるように設置したいという要請が出てくる。 However, according to the illumination unit 100 of the present embodiment, light is radiated from the entire side surface of the light guide body 110, so that the light easily reaches the left and right ends of the grab box 400.
Further, as long as there is a request to install the light so that the light can reach the left and right ends, there is a request to install the light guide unit 110 as far as possible to the left and right ends.
　このときでも、本実施の形態の照明ユニット１００は、光源が導光体部１１０の長手方向端部に設ける必要がないので、その要請に応えることになる。
　このように、導光体部１１０の長手方向中程に設けた導入部１２１，１２２から光を導入することにより、照明ユニット１００を部品の端部に寄せて設置することが可能となる。 Even at this time, the illumination unit 100 of the present embodiment does not need to be provided with the light source at the end portion in the longitudinal direction of the light guide body 110, and therefore meets the demand.
In this manner, by introducing light from the introduction portions 121 and 122 provided in the middle of the light guide body 110 in the longitudinal direction, the illumination unit 100 can be installed close to the end of the component.
　また、複数の光源を用いることが可能となるので、端部が暗くなることを防ぐと同時に、１つの光源としては光度が低いが安価な光源を用いることが可能となる。
　また、導光体部１１０の長手方向端部に光源を設ける必要がなくなるので、配置のアレンジの自由度が向上する。 In addition, since a plurality of light sources can be used, it is possible to prevent an end portion from becoming dark and to use an inexpensive light source having a low luminous intensity as one light source.
Moreover, since it is not necessary to provide a light source at the longitudinal end of the light guide 110, the degree of freedom of arrangement is improved.
　なお、これまで導光体部１１０の長手方向中程に導入部１２１，１２２を設け、それぞれの端部に光源１３１，１３２を設ける照明装置について説明したが、複数の導入部にそれぞれ光源を設ける必要は必ずしもあるわけではない。 In addition, although the illuminating device which provided the introduction parts 121 and 122 in the middle of the longitudinal direction of the light guide part 110 until now and provided the light sources 131 and 132 in each edge part was demonstrated so far, a light source is provided in each of several introduction parts. There is not always a need.
　次に、導光体部１１０に複数の導入部を設けるが、それぞれの導入部に光源を設ける必要がない照明装置について説明する。 Next, an illumination device will be described in which a plurality of introduction portions are provided in the light guide body 110, but a light source need not be provided in each introduction portion.
　〔第２の実施の形態〕
　次に、本発明の第２の実施の形態について説明する。本実施の形態の照明装置は、導光体部１１０に対する光源からの光の入射方法が異なる以外は、第１の実施の形態と同様である。このため、上記第１の実施の形態とほぼ同様の構成部分については同一の符号を付すなどして適宜その説明を省略する。 [Second Embodiment]
Next, a second embodiment of the present invention will be described. The illumination device of the present embodiment is the same as that of the first embodiment except that the light incident method from the light source to the light guide unit 110 is different. For this reason, about the component similar to the said 1st Embodiment, the same code | symbol is attached | subjected etc., and the description is abbreviate | omitted suitably.
　図６は、本実施の形態の照明装置の構成を示す図である。
　図６に示すように、導光体部１１０の長手方向の図６における左より中程には、導光体部１１０の長手方向と角度をなす導入部２１２１，２１２２が設けられている。 FIG. 6 is a diagram illustrating a configuration of the lighting apparatus according to the present embodiment.
As shown in FIG. 6, in the middle of the light guide body 110 in the longitudinal direction from the left in FIG. 6, introduction parts 2121 and 2122 that form an angle with the longitudinal direction of the light guide body 110 are provided.
　導入部２１２１の長手方向端部には、光源１３０が設けられており、導入部２１２２の長手方向端部には、反射部１５０が設けられている。
　光源１３０から照射された光は、導入部２１２１を介して導光体部１１０に導入されるとともに、導入部２１２２にも導入される。 A light source 130 is provided at the longitudinal end of the introduction part 2121, and a reflection part 150 is provided at the longitudinal end of the introduction part 2122.
The light emitted from the light source 130 is introduced into the light guide unit 110 through the introduction unit 2121 and also into the introduction unit 2122.
　導光体部１１０に導入された光は、導光体部１１０の内壁で全反射しながら相対的に導入方向に進行する。
　つまり、導入部２１２１から導入された光は、導光体部１１０の図６に示す右側である導光体右側部１１０Ｃを進行することになる。 The light introduced into the light guide body 110 travels relatively in the introduction direction while being totally reflected by the inner wall of the light guide body 110.
That is, the light introduced from the introduction part 2121 travels through the light guide right part 110C, which is the right side of the light guide part 110 shown in FIG.
　このとき、導光体右側部１１０Ｃ内に設けられた凹部１１１の反射面は、導入されてくる光の進行方向に対向するように設けられており、進行されてくる光を導光体右側部１１０Ｃの側面に反射することによって導光体右側部１１０Ｃが光ることになる。 At this time, the reflecting surface of the concave portion 111 provided in the right side of the light guide 110C is provided so as to face the traveling direction of the introduced light. By reflecting on the side surface of 110C, the right side of the light guide 110C shines.
　一方、光源１３０から導入部２１２１を介して導入部２１２２に導入された光は、反射部１５０で反射し、再度導入部２１２２を通って導光体左側部１１０Ｄへ導入される。 On the other hand, the light introduced from the light source 130 to the introduction part 2122 via the introduction part 2121 is reflected by the reflection part 150 and again introduced to the light guide left part 110D through the introduction part 2122.
　そして、導光体部１１０に導入された光は、導光体部１１０の内壁で全反射しながら相対的に導入方向に進行する。
　つまり、導入部２１２２から導入された光は、導光体部１１０の図６に示す左側である導光体左側部１１０Ｄを進行することになる。 Then, the light introduced into the light guide body 110 travels relatively in the introduction direction while being totally reflected by the inner wall of the light guide body 110.
That is, the light introduced from the introduction part 2122 travels through the light guide left part 110D, which is the left side of the light guide part 110 shown in FIG.
　このとき、導光体左側部１１０Ｄ内に設けられた凹部１１１の反射面は、導入されてくる光の進行方向に対向するように設けられており、進行されてくる光を導光体左側部１１０Ｄの側面に反射することによって導光体左側部１１０Ｄが光ることになる。
　以上に示したように、導光体部１１０の全側面が光ることによって照明装置としての機能を発揮する。 At this time, the reflection surface of the concave portion 111 provided in the light guide left portion 110D is provided so as to face the traveling direction of the introduced light. The light guide left side portion 110D shines by reflecting off the side surface of 110D.
As described above, the function as an illuminating device is exhibited when all the side surfaces of the light guide member 110 shine.
　本実施の形態として、反射部１５０を設けて間接的に導光体部１１０へ光を導入する方法を示したが、この反射部１５０を設けて光を導入するときは、導光体部１１０の長手方向中程に設ける必要は必ずしもない。
　次に、導光体部１１０の長手方向端部に反射部１５０を設けた照明装置について説明する。 As the present embodiment, a method of providing light to the light guide unit 110 indirectly by providing the reflection unit 150 has been described. However, when light is introduced by providing the reflection unit 150, the light guide unit 110 is provided. It is not always necessary to provide in the middle in the longitudinal direction.
Next, an illuminating device in which the reflection unit 150 is provided at the longitudinal end of the light guide unit 110 will be described.
　〔第３の実施の形態〕
　次に、本発明の第３の実施の形態について説明する。本実施の形態の照明装置は、反射部１５０を導入部の導光体部１１０の端部に設けていることが異なる以外は、第２の実施の形態と同様である。このため、上記第２の実施の形態とほぼ同様の構成部分については同一の符号を付すなどして適宜その説明を省略する。 [Third Embodiment]
Next, a third embodiment of the present invention will be described. The illumination device of the present embodiment is the same as that of the second embodiment, except that the reflection unit 150 is provided at the end of the light guide body 110 of the introduction unit. For this reason, about the component similar to the said 2nd Embodiment, the same code | symbol is attached | subjected and the description is abbreviate | omitted suitably.
　図７は、導光体部の長手方向端部に反射部を設けた照明装置の構成を示す図である。
　図７に示すように、導光体部１１０の長手方向端部の隣接する位置には、反射部１５０が設けられており、かつ長手方向と傾斜するように導入部３１２０が配置されている。反射部１５０は、導光体部１１０の長手方向端部と導入部３１２０の端部とを接続している。これにより、反射部１５０は、導入部３１２０を導光する光を導光体部１１０へと反射することができる。 FIG. 7 is a diagram illustrating a configuration of an illumination device in which a reflection unit is provided at an end portion in the longitudinal direction of the light guide unit.
As shown in FIG. 7, a reflective portion 150 is provided at a position adjacent to the longitudinal end portion of the light guide portion 110, and an introduction portion 3120 is disposed so as to be inclined with respect to the longitudinal direction. The reflection part 150 connects the end part of the light guide part 110 in the longitudinal direction and the end part of the introduction part 3120. Thereby, the reflection unit 150 can reflect the light guided through the introduction unit 3120 to the light guide unit 110.
　導入部３１２０の長手方向の一方の端部には光源１３０が設けられており、導入部３１２０の長手方向のもう一方の端部には反射部１５０が設けられている。
　光源１３０から照射された光は、導入部３１２０を介して反射部１５０に反射し、導光体部１１０に導入される。 A light source 130 is provided at one end in the longitudinal direction of the introduction part 3120, and a reflection part 150 is provided at the other end in the longitudinal direction of the introduction part 3120.
The light emitted from the light source 130 is reflected by the reflection unit 150 through the introduction unit 3120 and introduced into the light guide unit 110.
　導光体部１１０に導入された光は、導光体部１１０の内壁で全反射しながら相対的に導入方向に進行する。
　つまり、導入部３１２０から導入された光は、導光体部１１０を進行することになる。 The light introduced into the light guide body 110 travels relatively in the introduction direction while being totally reflected by the inner wall of the light guide body 110.
That is, the light introduced from the introduction part 3120 travels through the light guide part 110.
　このとき、導光体部１１０内に設けられた凹部１１１の反射面は、導入されてくる光の進行方向に対向するように設けられており、進行されてくる光を導光体部１１０の側面に反射することによって導光体部１１０が光ることになる。
　以上に示したように、導光体部１１０の全側面が光ることによって照明装置としての機能を発揮する。 At this time, the reflection surface of the concave portion 111 provided in the light guide body 110 is provided so as to face the traveling direction of the introduced light. The light guide part 110 shines by reflecting on the side surface.
As described above, the function as an illuminating device is exhibited when all the side surfaces of the light guide member 110 shine.
　このような構成により、照明装置における、導光体部の長手方向端部側に光源１３０を設けるスペースを確保することなく導光体部１１０の全側面を光らせることができるようになる。 With such a configuration, it is possible to illuminate all the side surfaces of the light guide unit 110 without securing a space for providing the light source 130 on the end side in the longitudinal direction of the light guide unit in the lighting device.
　このような、導光体部１１０の長手方向端部に直接光源を配置しなくても導光体部１１０の全側面を光らせることができるという考え方に基づけば、照明装置に求められる光量や、光らせる場所を変えるなどの要請に応えることができるように様々な導入部の設置が考えられる。
　次に、導光体部１１０に３つ以上の導入部を設けた照明装置について説明する。 Based on such an idea that all the side surfaces of the light guide unit 110 can be lit without arranging a light source directly at the longitudinal end of the light guide unit 110, the amount of light required for the lighting device, Various introductory parts can be installed to meet the demands of changing the place to shine.
Next, an illumination device in which three or more introduction parts are provided in the light guide part 110 will be described.
　〔第４の実施の形態〕
　次に、本発明の第４の実施の形態について説明する。本実施の形態の照明装置は、導光体部１１０の中程に導入部を３つ以上設けることが異なる以外は、第１の実施の形態と同様である。このため、上記第１の実施の形態とほぼ同様の構成部分については同一の符号を付すなどして適宜その説明を省略する。 [Fourth Embodiment]
Next, a fourth embodiment of the present invention will be described. The illumination device of the present embodiment is the same as that of the first embodiment, except that three or more introduction parts are provided in the middle of the light guide part 110. For this reason, about the component similar to the said 1st Embodiment, the same code | symbol is attached | subjected etc., and the description is abbreviate | omitted suitably.
　図８は、本実施の形態の照明装置の構成を示す図である。
　図８に示すように、導光体部１１０の長手方向中程の側面には、その長手方向と角度をなす導入部４１２１，４１２２，４１２３，４１２４が設けられている。 FIG. 8 is a diagram illustrating a configuration of the lighting apparatus according to the present embodiment.
As shown in FIG. 8, introduction portions 4121, 4122, 4123, and 4124 that form an angle with the longitudinal direction are provided on the side surface in the longitudinal direction of the light guide body 110.
　導入部４１２１，４１２２，４１２３，４１２４の長手方向端部には、光源１３０がそれぞれ設けられている。
　光源１３０から照射された光は、導入部４１２１，４１２２，４１２３，４１２４をそれぞれ介して導光体部１１０に導入される。 A light source 130 is provided at each of longitudinal ends of the introduction parts 4121, 4122, 4123, 4124.
The light emitted from the light source 130 is introduced into the light guide body 110 via the introduction parts 4121, 4122, 4123, 4124, respectively.
　導光体部１１０に導入された光は、上述の実施の形態と同様に導光体部１１０の内壁で全反射しながら相対的に導入方向に進行し、導光体部１１０の内部に設けられた反射部１５０に反射することによって導光体部１１０の側面に反射し、導光体部１１０の全側面が光るようになっている。 The light introduced into the light guide body 110 proceeds in the introduction direction while being totally reflected by the inner wall of the light guide body 110 as in the above-described embodiment, and is provided inside the light guide body 110. The light is reflected by the reflecting part 150 so that it is reflected by the side surface of the light guide part 110 and all the side faces of the light guide part 110 are illuminated.
　このような構成により、導光体部１１０の長手方向端部に光源を設けることなく導光体部１１０の全側面を光らせることができ、照明装置としての機能を発揮する。
　また、導光体部１１０の長手方向端部に光源を設けなくてもよいので、部品の端部近傍にまで導光体部１１０の長手方向端部を配置することができる。 With such a configuration, the entire side surface of the light guide body 110 can be illuminated without providing a light source at the longitudinal end of the light guide body 110, and the function as an illumination device is exhibited.
Moreover, since it is not necessary to provide a light source in the longitudinal direction edge part of the light guide part 110, the longitudinal direction edge part of the light guide part 110 can be arrange | positioned to the edge part vicinity of components.
　また、導光体部１１０の部分ごとに光る光量を調整したり、光源１３０の色を変えることによって部分ごとにさまざまなグラデーションを表現することができる。
　また、照明装置として高い光度が求められているときに、高い光度の光源１３０を用いなくともその要請に応じることができる。 In addition, various gradations can be expressed for each portion by adjusting the amount of light emitted for each portion of the light guide unit 110 or changing the color of the light source 130.
Further, when a high luminous intensity is required for the lighting device, the request can be met without using the light source 130 having a high luminous intensity.
　また、高い光度の光源の単価が高く、低い光度の光源の単価を複数用いてもまだ安価である場合も有効な方法となる。
　以上のように、多数の光源を用いて照明装置を構成してもよくなる。
　このとき、部分によっては高い光度を要求されないときは、さらに一部の光源を、光源を用いるよりも安価に構成できる反射部に置き換えることも考えられる。 Also, it is an effective method when the unit price of the light source with high luminous intensity is high and the unit price of the light source with low luminous intensity is still cheap even if a plurality of unit prices are used.
As described above, the lighting device may be configured using a large number of light sources.
At this time, when a high luminous intensity is not required depending on the part, it is also conceivable to replace a part of the light source with a reflecting part that can be configured at a lower cost than using the light source.
　〔第５の実施の形態〕
　次に、本発明の第５の実施の形態について説明する。本実施の形態の照明装置は、複数設けられた光源の一部を反射部に置き換えることが異なる以外は、第４の実施の形態と同様である。このため、上記第４の実施の形態とほぼ同様の構成部分については同一の符号を付すなどして適宜その説明を省略する。 [Fifth Embodiment]
Next, a fifth embodiment of the present invention will be described. The illumination device of the present embodiment is the same as that of the fourth embodiment, except that a part of a plurality of light sources provided is replaced with a reflection unit. For this reason, about the component similar to the said 4th Embodiment, the same code | symbol is attached | subjected and the description is abbreviate | omitted suitably.
　図９は、一部の光源を反射部に置き換えた照明装置の構成を示す図である。
　図９に示すように、導光体部５１１０の長手方向中程の側面には、その長手方向と角度をなす導入部５１２１，５１２２，５１２３，５１２４が設けられている。 FIG. 9 is a diagram illustrating a configuration of an illumination device in which a part of the light sources is replaced with a reflection unit.
As shown in FIG. 9, introduction portions 5121, 5122, 5123, and 5124 that form an angle with the longitudinal direction are provided on the side surface in the longitudinal direction of the light guide body 5110.
　導入部５１２１，５１２３，５１２４の長手方向端部には光源１３０がそれぞれ設けられており、導入部５１２２の長手方向端部には反射部１５０が設けられている。
　光源１３０から照射された光は、導入部５１２１，５１２３，５１２４をそれぞれ介して導光体部１１０に導入される。 A light source 130 is provided at each longitudinal end of the introduction parts 5121, 5123, 5124, and a reflection part 150 is provided at each longitudinal end of the introduction part 5122.
The light emitted from the light source 130 is introduced into the light guide unit 110 through the introduction units 5121, 5123, and 5124, respectively.
　導光体部１１０に導入された光は、上述の実施の形態と同様に導光体部１１０の内壁で全反射しながら相対的に導入方向に進行し、導光体部１１０の内部に設けられた反射部１５０に反射することによって導光体部１１０の側面に反射し、導光体部１１０の側面が光るようになっている。 The light introduced into the light guide body 110 proceeds in the introduction direction while being totally reflected by the inner wall of the light guide body 110 as in the above-described embodiment, and is provided inside the light guide body 110. The light is reflected by the reflecting part 150 so as to be reflected by the side surface of the light guide part 110, and the side surface of the light guide part 110 is illuminated.
　このとき、導入部５１２１から導光体部１１０に導入された光は、導入部５１２２を介して反射部１５０に反射し、導入部５１２２から導光体部１１０へ導入される。そして、導入された光は、上述のように導光体部１１０の側面に反射し、導光体部１１０の側面が光るようになっている。 At this time, the light introduced from the introduction unit 5121 to the light guide unit 110 is reflected by the reflection unit 150 via the introduction unit 5122 and introduced from the introduction unit 5122 to the light guide unit 110. The introduced light is reflected on the side surface of the light guide unit 110 as described above, and the side surface of the light guide unit 110 shines.
　このような構成により、導光体部１１０の長手方向端部に光源を設けることなく導光体部１１０の全側面を光らせることができ、照明装置としての機能を発揮する。
　また、導光体部１１０の長手方向端部に光源を設けなくてもよいので、部品の端部近傍にまで導光体部１１０の長手方向端部を配置することができる。 With such a configuration, the entire side surface of the light guide body 110 can be illuminated without providing a light source at the longitudinal end of the light guide body 110, and the function as an illumination device is exhibited.
Moreover, since it is not necessary to provide a light source in the longitudinal direction edge part of the light guide part 110, the longitudinal direction edge part of the light guide part 110 can be arrange | positioned to the edge part vicinity of components.
　また、導光体部１１０の一部分が長い場合（たとえば、図９におけるＬ部）であっても、複数の光源を用いることができるので、導光体部１１０の端部の光度が不足することなく、導光体部１１０の全側面をまんべんなく高い光度で光らせることが可能となる。 Moreover, even when a part of the light guide part 110 is long (for example, the L part in FIG. 9), a plurality of light sources can be used, so that the light intensity at the end of the light guide part 110 is insufficient. In other words, all the side surfaces of the light guide body 110 can be uniformly illuminated with high luminous intensity.
　いままで説明してきたように光源から導入された光は導光体部１１０の側面を光らせていたが、導光体部１１０の端部へも光を出射するようにしてもよい。
　以下、導光体部１１０の端部へも光を出射する照明装置について説明する。 As described so far, the light introduced from the light source shines on the side surface of the light guide unit 110, but the light may be emitted to the end of the light guide unit 110.
Hereinafter, an illumination device that emits light also to the end portion of the light guide unit 110 will be described.
　〔第６の実施の形態〕
　次に、本発明の第６の実施の形態について説明する。本実施の形態の照明装置は、導光体部１１０の端部へも光を出射することが異なる以外は、第１の実施の形態と同様である。このため、上記第１の実施の形態とほぼ同様の構成部分については同一の符号を付すなどして適宜その説明を省略する。 [Sixth Embodiment]
Next, a sixth embodiment of the present invention will be described. The illumination device of the present embodiment is the same as that of the first embodiment except that light is emitted also to the end portion of the light guide body 110. For this reason, about the component similar to the said 1st Embodiment, the same code | symbol is attached | subjected etc., and the description is abbreviate | omitted suitably.
　図１０は、本実施の形態の照明ユニットをドアミラーに適用した例を示す図である。
　図１０に示すように、本実施の形態の照明ユニット６１００をドアミラー３００に適用している。 FIG. 10 is a diagram illustrating an example in which the lighting unit of the present embodiment is applied to a door mirror.
As shown in FIG. 10, the illumination unit 6100 of this embodiment is applied to a door mirror 300.
　上述のように、光源１３０から導入部を介して導光体部６１１０へ導入された光は、反射部により反射され、導光体部６１１０の側面へ反射されるとともに、導光体部６１１０の長手方向へ端部から出射される。
　導光体部６１１０の端部からの光の出射については、導光体部６１１０の断面図を用いて説明する。 As described above, the light introduced from the light source 130 to the light guide body 6110 through the introduction section is reflected by the reflection section, reflected to the side surface of the light guide section 6110, and the light guide section 6110. The light is emitted from the end in the longitudinal direction.
The emission of light from the end portion of the light guide portion 6110 will be described with reference to a cross-sectional view of the light guide portion 6110.
　図１１は、本実施の形態の照明ユニットにおける導光体部の側方断面図である。
　図１１に示すように、上述のように、光源１３０から導入部を介して導光体部６１１０へ導入された光は、導光体部６１１０の内部に設けられた凹部１１１により反射され、レンズ６１１１を介して導光体部６１１０の側面（図１１における上方）へ反射されるとともに、導光体部６１１０の長手方向へ端部６１１２から出射される。 FIG. 11 is a side cross-sectional view of the light guide section in the illumination unit of the present embodiment.
As shown in FIG. 11, as described above, the light introduced from the light source 130 to the light guide unit 6110 via the introduction unit is reflected by the recess 111 provided inside the light guide unit 6110, and the lens. The light is reflected to the side surface (upward in FIG. 11) of the light guide portion 6110 via 6111 and is emitted from the end portion 6112 in the longitudinal direction of the light guide portion 6110.
　このような構成により、導光体部６１１０の側面が光るとともに、導光体部６１１０の端部からも光が出射されるので、加飾発光とターンシグナルとしての機能性を併せ持つ照明装置として用いることが可能となる。 With such a configuration, the side surface of the light guide portion 6110 shines and light is also emitted from the end portion of the light guide portion 6110, so that it is used as a lighting device having both decorative light emission and turn signal functionality. It becomes possible.
符号の説明Explanation of symbols
　１００　照明ユニット
　１１０　導光体
　１１０Ａ，１１０Ｄ　導光体左側部
　１１０Ｂ，１００Ｃ　導光体右側部
　１１１　凹部
　１２１，１２２　導入部
　１３０，１３１，１３２　光源
　１４０　ケース
　１４１　張り出し部
　１５０　反射部
　２００　部品
　３００　ドアミラー DESCRIPTION OF SYMBOLS 100 Illumination unit 110 Light guide 110A, 110D Light guide left side part 110B, 100C Light guide right side part 111 Recess 121,122 Introduction part 130,131,132 Light source 140 Case 141 Overhang part 150 Reflection part 200 Parts 300 Door mirror

Claims (4)

  1. 　光源と、
    　一端部に配置された前記光源からの光を導光する導入部と、
    　途中部と傾斜するように前記導入部の他端部が接続され、内部に形成された反射面によって前記光源からの光を反射して外部へ出射する導光体と
    を備えることを特徴とする照明装置。     A light source;
    An introduction part for guiding light from the light source disposed at one end part;
    The other end portion of the introduction portion is connected so as to be inclined with respect to the middle portion, and includes a light guide body that reflects light from the light source by a reflection surface formed inside and emits the light to the outside. Lighting device.
  2. 　光源と、
    　内部に形成された反射面によって前記光源からの光を反射して外部へ出射する導光体と、
    　前記導光体と傾斜するように配置されるとともに、一端部が前記導光体の一端部と隣接するように配置され、他端部に配置された前記光源からの光を導光する導入部と、
    　前記導光体の一端部と前記導入部の一端部とを接続するとともに、前記導入部を導光する光を前記導光体へと反射する反射部と
    を備えることを特徴とする照明装置。     A light source;
    A light guide that reflects the light from the light source by a reflecting surface formed inside and emits the light to the outside; and
    An introduction part that is arranged so as to be inclined with respect to the light guide and that is arranged so that one end thereof is adjacent to one end of the light guide and guides light from the light source arranged at the other end. When,
    An illuminating device comprising: a reflecting portion that connects one end portion of the light guide body and one end portion of the introduction portion, and reflects light that guides the introduction portion to the light guide body.
  3. 　前記導入部が前記導光体の長手方向の途中に複数設けられていることを特徴とする請求項１記載の照明装置。 The lighting device according to claim 1, wherein a plurality of the introduction portions are provided in the longitudinal direction of the light guide.
  4. 　前記導光体の長手方向の端面が、前記光源から入射された光を透過することを特徴とする請求項１記載の照明装置。 The lighting device according to claim 1, wherein an end face in a longitudinal direction of the light guide transmits light incident from the light source.
PCT/JP2009/053980 2008-03-03 2009-03-03 Illuminating device WO2009110476A1 (en)

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