JP6311884B2 - Lighting device - Google Patents

Description

  The present invention relates to a lighting device.

  Patent Document 1 discloses a vehicle exterior garnish that constitutes a front grille of a vehicle, a longitudinal housing that is a structure inside the garnish, and a housing that is disposed so as to face the outside of the housing and is integrated with the housing. A long lens member, a light guide member disposed along the longitudinal direction of the lens member on a rear surface side forming a housing side surface of the lens member, and a light source that makes light incident on the light guide member. The central part of the member is a light-impermeable part that does not transmit light, and is configured to transmit light from the left and right sides of the central part of the lens member, and the light source is arranged in a form hidden behind the central part of the lens member In addition, an emblem portion is provided at the center of the lens member, and the housing and the lens member are integrally fixed.

Japanese Patent No. 5478467

In the technique of Patent Document 1, since the entire front grill is garnish, the garnish becomes very large.
In the technique of Patent Document 1, since the light source is housed in the garnish surrounded by the housing and the lens member, the entire outer peripheral edge of the housing and the lens member needs to have a waterproof structure.

Therefore, in the technique of Patent Document 1, it is necessary to make the entire outer periphery of a large garnish waterproof, and there is a problem that the degree of freedom of the design is limited and the cost required for the waterproof structure increases.
In addition, in the technique of Patent Document 1, since the housing and the lens member are integrally fixed, it is not possible to replace only the light source at the time of failure or customization of the light source, and it is necessary to replace the entire garnish. In addition to the poor maintainability, there is a problem that the cost required for replacing the light source increases.

  The present invention has been made to solve the above problems, and an object of the present invention is to provide an illumination device having a high degree of design freedom and good maintainability at low cost.

  As a result of intensive studies in order to solve the above-mentioned problems, the present inventors have arrived at each aspect of the present invention as follows.

<First aspect>
The first aspect is
A light source that emits light;
A translucent housing containing the light source,
A light source module having a light-shielding lid that is attached and fixed to the opening of the translucent housing and covers the liquid-tight state;
A lighting device comprising a light guide provided separately from the light source module,
The incident surface of the light guide unit is disposed so as to face the emission region of the emitted light of the light source unit in the translucent housing.

In the first aspect, since the light guide unit is provided separately from the light source module, and only the light source module in which the light source unit is accommodated needs to be waterproof, the entire lighting device including the light guide unit Compared with the case where a waterproof structure is used, the degree of freedom of design of the light-shielding lid portion can be increased and the cost required for the waterproof structure can be reduced.
In the first aspect, it is possible to replace only the light source module at the time of failure or customization of the light source unit, and the maintainability is better than when the entire lighting device is replaced. The cost required for replacement can be reduced.

  In the first aspect, it is possible to develop a standard product by sharing a light source module, and to commercialize a lighting device in combination with an appropriate light guide unit, thereby promoting a wide range of product development of the lighting device.

<Second aspect>
The second aspect is the first aspect,
Provided with a collar protruding from the outer peripheral edge of the light-shielding lid,
The light guide emits light to the front side facing the light-shielding lid,
The exit area of the translucent housing and the incident surface of the light guide are arranged in a manner hidden behind the collar.

In the second aspect, when the outgoing light from the outgoing region of the translucent housing leaks without being incident on the incident surface of the light guide part, the leaked light is reflected on the collar part of the light shielding lid part. It is possible to make the light incident on the incident surface of the light guide unit, and the use efficiency of the radiated light of the light source unit can be improved.
Further, in the second aspect, when there is a gap between the emission region of the translucent housing and the incident surface of the light guide unit, the gap can be hidden by the collar portion of the light-shielding lid, Designability can be improved.

<Third aspect>
A 3rd aspect is provided with the convex lens integrally formed in the radiation | emission area | region of the translucent housing in the 1st aspect or the 2nd aspect.
In the third aspect, the outgoing light from the outgoing region of the translucent housing can be incident on the incident surface of the light guide part in a state of being condensed by the convex lens, and the use efficiency of the emitted light of the light source part Can be increased.

<Fourth aspect>
A 4th aspect is a long thing extended in the surface direction of the light-shielding cover part in the 1st-3rd aspect.
According to the 4th situation, the illuminating device which performs line-like illumination with the emitted light from the output surface of the light guide part which is a long thing can be provided.

<5th aspect>
A fifth aspect includes a plurality of light guide portions in the fourth aspect, and the light guide portions are arranged symmetrically so as to extend on both sides with respect to the light source module disposed in the center, and a plurality of light guide portions are provided. A plurality of light source parts are provided so as to face the incident surface of the light part.
According to the fifth aspect, as compared with the case where only one light guide unit is provided by the light emitted from the output surfaces of the plurality of light guide units extending on both sides of the light source module, The effect is definitely obtained.

<Sixth aspect>
In a sixth aspect, in the first to fifth aspects, the lighting device is a vehicle exterior garnish provided in front of the automobile, and the lid portion includes an emblem portion.
According to the 6th aspect, the illuminating device excellent in the designability suitable for the front shape of a motor vehicle can be provided.

The principal part front view of the illuminating device 10 of one Embodiment which actualized this invention. It is an end view of the principal part longitudinal cross-section of the illuminating device 10, and is an end view of the XX arrow cross section shown in FIG. FIG. 2 is an end view of a longitudinal section of the illumination device 10, and an end view of a section taken along the arrow YY shown in FIG. 1. The principal part front view of the illuminating device 60 of another embodiment which actualized this invention.

Hereinafter, embodiments embodying the present invention will be described with reference to the drawings. In each embodiment, the same constituent members and constituent elements are denoted by the same reference numerals, and redundant description of the same contents is omitted.
Moreover, in each drawing, in order to make the explanation easy to understand, the dimensional shape and arrangement location of the constituent members of each embodiment are schematically illustrated in an exaggerated manner, and the dimensional shape and arrangement location of each constituent member are the real thing. May not always match.

[Configuration of Lighting Device 10]
As illustrated in FIGS. 1 to 3, the illumination device 10 according to an embodiment includes a light source module 20, an emblem portion 21, a translucent housing 22 (a bottom surface 22 a, side wall surfaces 22 b and 22 c, an opening portion 22 d), and a light source unit 23. , 24, emblem body 25, emblem base 26 (hook part 26a), waterproof cap 27, convex lenses 28, 29, LED 30, wiring board 31, wire harness 32, light decorative members 40a, 40b, outer lenses 41, 42, outer lens base 43, 44, light guide portion 45 (incident surface 45a, reflective surface 45b, outgoing surface 45c), decorative portions 46, 47, reflective layer 48, mounting portions 49, 50, screw holes 51, gap S, etc., in the longitudinal direction The configuration is symmetrical with respect to a center line L that bisects the (left-right direction).
The lighting device 10 is used as a vehicle exterior garnish that constitutes a front grille with illumination of an automobile, and is provided in front of the automobile.

The light source module 20 includes an emblem portion 21, a translucent housing 22, light source portions 23 and 24, and the like.
The emblem unit 21 includes an emblem body 25 and an emblem base 26.
The emblem body 25 has a hexagonal flat plate shape with a slightly raised central portion, and is integrally formed of a synthetic resin material having a plating layer on the surface. The surface of the emblem body 25 is appropriately formed using a plating layer. Symbols, logos, crests, etc. (in the example shown, a star symbol) are formed.
The emblem base 26 has a substantially flat hexagonal frame shape that matches the dimensional shape of the emblem body 25, is integrally formed of a synthetic resin material having a light shielding property (for example, a black synthetic resin material), and the back surface of the emblem body 25. And it is fixedly attached so as to be in close contact with the outer peripheral edge.

The translucent housing 22 has a hexagonal box shape with the upper surface opened, and the size of the upper surface opening is smaller than the planar dimension of the emblem base 26 and has a high translucency synthetic resin material (for example, PMMA (PolyMethylMethacrylate)) , PC (PolyCarbonate) or the like, and the entire outer peripheral edge of the opening 22d of the translucent housing 22 is fixedly attached to the back surface of the emblem base 26.
The outer peripheral edge of the emblem base 26 protrudes in a bowl shape from the outer peripheral edge of the upper end portion of the translucent housing 22 with respect to the planar direction, and a flange portion (flange portion) 26a of the emblem base 26 is formed by the protruding portion. .

An insertion hole is formed through the bottom surface 22a of the translucent housing 22, and a rubber waterproof cap 27 is fitted and fixed in the insertion hole.
Inner portions of the two opposite side wall surfaces 22b and 22c of the translucent housing 22 project in a substantially dome shape, and convex lenses 28 and 29 having the same size and shape are integrally formed with the translucent housing 22 by the projecting portions. .

The two light source sections 23 and 24 having the same configuration each include an LED (Light Emitting Diode) 29, a wiring board 31, a wire harness 32, and the like, and are housed and fixed in the translucent housing 22.
The LED 30 is mounted and mounted on the wiring board 31, and the LED 30 is connected to one end side of the wire harness 32 through a wiring pattern (not shown) formed on the wiring board 31, and the other end side of the wire harness 32 is a waterproof cap 27. And is drawn out of the translucent housing 22.

The light emitting surfaces of the LEDs 30 of the light source units 23 and 24 are respectively disposed on the optical axes of the convex lenses 28 and 29 of the translucent housing 22.
The connection portion between the entire outer peripheral edge of the opening 22d of the translucent housing 22 and the emblem base 26 is in a liquid-tight state, and the connection portion between the translucent housing 22, the waterproof cap 27, and the wire harness 32 is also in a liquid-tight state. Therefore, the light source module 20 has a waterproof structure.
Two light decoration members 40 a and 40 b having the same configuration are attached and fixed to the left and right sides of the light source module 20 so as to be symmetrical.
The light decoration member 40 a includes an outer lens 41 and an outer lens base 43, and the light decoration member 40 b includes an outer lens 42 and an outer lens base 44.

The two outer lenses 41 and 42 having the same configuration are substantially flat plate-like objects having a rectangular shape in plan view, and are formed of a highly transparent synthetic resin material (for example, PMMA, PC, etc.).
The front surface of each outer lens 41, 42 is substantially flat, and the central portion in the short direction on the back surface of each outer lens 41, 42 projects to the back surface side along the longitudinal direction, and is guided by the projecting substantially rectangular parallelepiped-shaped portion. A portion 45 is formed, and decorative portions 46 and 47 are formed by substantially flat plate portions on both sides of the light guide portion 45 in the outer lenses 41 and 42.
On the back surfaces of the decorative portions 46 and 47, a reflective layer 48 made of a coating film of plating-like coating (mirror coating) is formed.

The two outer lens bases 43 and 44 having the same configuration are substantially flat plate-like objects having a rectangular shape in plan view that match the dimensions of the outer lenses 41 and 42, and are synthetic resin materials having a light shielding property (for example, black Are integrally formed of a synthetic resin material or the like, and are attached and fixed to the back surfaces of the outer lenses 41 and 42.
The reflective layers 48 of the decorative portions 46 and 47 of the outer lenses 41 and 42 are attached and fixed so as to be in close contact with the outer lens bases 43 and 44.

In each of the outer lens bases 43 and 44, mounting portions 49 and 50 are formed by flat portions protruding from both sides of the outer lenses 41 and 42 in the lateral direction.
A plurality of screw holes 51 are formed through each of the attachment portions 49 and 50.
The illuminating device 10 is attached and fixed to a portion (not shown) between the left and right headlamps in front of the vehicle body of the automobile by male screws (not shown) inserted through the screw holes 51.

The light guide portion 45 of each outer lens 41, 42 has an incident surface 45a, a reflecting surface 45b, and an exit surface 45c.
The incident surface 45 a is composed of one side end surface of the light guide portion 45, the reflection surface 45 b is composed of the back surface of the light guide portion 45, and the exit surface 45 c is composed of a substantially flat surface of the light guide portion 45. The back surface of the light guide 45 has a sawtooth shape in which a plurality of grooves having a triangular cross section parallel to the short direction of the outer lenses 41 and 42 are formed.

In each outer lens 41, 42, the surface of the light guide portion 45 in the vicinity of the incident surface 45 a is attached and fixed to the back surface of the flange portion 26 a of the emblem base 26.
The incident surface 45 a of the light guide portion 45 of each outer lens 41, 42 is disposed opposite to the side wall surfaces 22 b, 22 c (convex lenses 28, 29) of the translucent housing 22.
A gap (air layer) S is provided between the reflecting surface 45 b of the light guide portion 45 of each outer lens 41, 42 and each outer lens base 43, 44.

  It should be noted that the above-mentioned members of the lighting device 10 are fixed and fixed (the mounting and fixing of the emblem body 25 and the emblem base 26, the fixing and fixing of the translucent housing 22 and the emblem base 26, the outer lenses 41 and 42 and the outer lens bases 43 and 44). As long as a good fixing state can be obtained, any fixing method may be used, for example, various welding methods (super welding) Sonic welding, vibration welding, induction welding, high-frequency welding, laser welding, thermal welding using a heater, etc.), adhesion using an adhesive, fixing using a double-sided adhesive tape, screwing, etc. may be used.

[Operation of Lighting Device 10]
The light emitted from the LEDs 30 of the light source sections 23 and 24 is collected by the convex lenses 28 and 29 on the side wall surfaces 22b and 22c of the translucent housing 22, and is emitted from the light guide sections 45 of the outer lenses 41 and 42. The light is incident on the incident surface 45 a and is reflected by the reflecting surface 45 b of the light guide 45 while being guided in the longitudinal direction (the left and right ends of the outer lenses 41, 42) in the light guide 45. The light is emitted from the surface 45c to the front side of the vehicle body.
Here, since the gap S is provided between the reflection surface 45 b of the light guide 45 and each outer lens base 43, 44, the light guided in the light guide 45 is transmitted to the light guide 45. The total reflection due to the difference in refractive index with the air in the gap S can be reliably reflected by the reflecting surface 45b.

In addition, since the reflective layer 48 is formed on the back surface of the decorative portions 46 and 47 of the outer lenses 41 and 42, part of the reflected light from the reflective surface 45 b of the light guide portion 45 is reflected by the reflective layer 48. The light is emitted from the surfaces of the decorative portions 46 and 47.
In each outer lens 41, 42, the amount of light emitted from the emission surface 45 c of the light guide unit 45 is greater than the amount of light emitted from the surfaces of the decorative portions 46, 47.
Therefore, in the illuminating device 10, in each of the outer lenses 41 and 42, the light exit surface 45 c of the light guide unit 45 appears to protrude forward, and the surfaces of the decorative units 46 and 47 that sandwich the light guide unit 45 in the vertical direction are recessed. appear.

And between the left and right headlamps of the automobile, the longitudinal direction of the illuminating device 10 constituting the front grille is mounted and fixed so as to be along the vehicle width direction, and on the left and right sides with respect to the emblem portion 21 arranged at the center. The long outer lenses 41 and 42 are symmetrically arranged so as to extend.
Therefore, the light guide portions 45 of the outer lenses 41 and 42 that are the upper and lower central portions along the vehicle width direction of the lighting device 10 are line-like on both the left and right sides of the emblem portion 21 arranged at the center in the vehicle width direction. Since it appears to be rising, it is possible to enhance the design by emphasizing the spread in the vehicle width direction.

[Operation / Effect of Lighting Device 10]
According to the illumination device 10 of the present embodiment, the following actions and effects can be obtained.

[1] The lighting device 10 includes a light source module 20 and light decoration members 40a and 40b (light guide portions 45 of the outer lenses 41 and 42) provided separately from the light source module 20.
The light source module 20 is attached and fixed to the light source portions 23 and 24 that emit light, the translucent housing 22 in which the light source portions 23 and 24 are accommodated, and the opening 11d of the translucent housing 22 to be in a liquid-tight state. It has an emblem part 21 (light-shielding lid part) to cover.
The incident surface 45 a of the light guide portion 45 of each outer lens 41, 42 is disposed opposite to the side wall surfaces 22 b, 22 c of the translucent housing 22 (radiation areas of the light sources 23, 24).

In the illuminating device 10, the light guide part 45 of each outer lens 41 and 42 is provided separately from the light source module 20, and only the light source module 20 in which the light source parts 23 and 24 are accommodated may have a waterproof structure. Therefore, the degree of freedom of design of the emblem portion 21 can be increased and the cost required for the waterproof structure can be increased as compared with the case where the entire lighting device including the light guide portion 45 of each of the outer lenses 41 and 42 has a waterproof structure. Can be reduced.
Further, in the lighting device 10, it is possible to replace only the light source module 20 at the time of failure or customization of the light source units 23, 24, and the maintenance performance is better than when the entire lighting device is replaced. The cost required for replacing the light source units 23 and 24 can be reduced.

In the present embodiment, since it is not necessary to house the light guide portions 45 of the outer lenses 41 and 42 in the translucent housing 22, the structure of the light guide portion 45 can be simplified.
In addition, in this embodiment, the light source module 20 can be developed as a standard product, and the lighting device 10 can be commercialized in combination with appropriate light decoration members 40a and 40b. Can promote.

[2] The illuminating device 10 includes a flange portion 26a that protrudes from the outer peripheral edge of the emblem base 26 of the emblem portion 21, and the light guide portions 45 of the outer lenses 41 and 42 are the front side (front side of the vehicle body) facing the emblem portion 21. The light is emitted.
And the side wall surfaces 22b and 22c of the translucent housing 22, and the entrance surface 45a of the light guide part 45 of each outer lens 41 and 42 are arrange | positioned in the form hidden behind the collar part 26a.

In the illuminating device 10, when the emitted light from the side wall surfaces 22 b and 22 c of the translucent housing 22 leaks without being incident on the incident surface 45 a of the light guide portion 45 of each of the outer lenses 41 and 42, The light can be reflected on the flange portion 26a of the emblem portion 21 and can be incident on the incident surface 45a of the light guide portion 45 of each outer lens 41, 42, and the use efficiency of the radiated light of the light source portions 23, 24 can be improved. .
Moreover, in the illuminating device 10, when there exists a clearance gap between the side wall surfaces 22b and 22c of the translucent housing 22, and the entrance plane 45a of the light guide part 45 of each outer lens 41 and 42, the clearance gap is light-shielding lid | cover. It is possible to hide by the collar part 26a of a part, and design property can be improved.

[3] The illumination device 10 includes convex lenses 28 and 29 integrally formed on the side wall surfaces 22 b and 22 c of the translucent housing 22.
Therefore, the light emitted from the side wall surfaces 22b and 22c of the translucent housing 22 can be incident on the incident surface 45a of the light guide portion 45 of each of the outer lenses 41 and 42 while being condensed by the convex lenses 28 and 29. It is possible and the utilization efficiency of the radiated light of the light source parts 23 and 24 can be improved.

[4] The light guide part 45 of each outer lens 41, 42 is a long object extending in the surface direction of the emblem part 21.
Therefore, in this embodiment, the illuminating device 10 which performs line-like illumination with the emitted light from the output surface 45c of the light guide part 45 of each outer lens 41 and 42 which is a long thing can be provided.

[5] The illuminating device 10 includes light guides 45 in the outer lenses 41 and 42, and the light guides 45 are symmetrically arranged so as to extend on both sides with respect to the light source module 20 arranged in the center. Two light source parts 23 and 24 are provided corresponding to the two light guide parts 45.
Therefore, in the illuminating device 10, compared with the case where only one of the outer lenses 41 and 42 is provided, the operation and effect of [4] can be obtained with certainty.

<Another embodiment>
The present invention is not limited to the above-described embodiment, and may be embodied as follows, and even in that case, operations and effects equivalent to or higher than those of the above-described embodiment can be obtained.

[A] The embodiment includes two light decoration members 40a and 40b.
However, the light decoration members 40a and 40b may be integrated, and the light source module 20 may be fitted into the central portion of the light decoration member that is an integrated object.

[B] In the above-described embodiment, the convex lenses 28 and 29 are formed by projecting the inner portions of the side wall surfaces 22 b and 22 c of the translucent housing 22.
However, a convex lens may be formed by projecting the outer portions of the side wall surfaces 22b and 22c of the translucent housing 22.

[C] In the embodiment described above, the reflective surface 45b is formed by making the back surface of the light guide portion 45 of each outer lens 41, 42 serrated.
However, the reflective surface 45 b may be formed by drilling grooves along the longitudinal direction of the outer lenses 41 and 42 on the back surface of the light guide portion 45.
Further, the reflective surface 45b may be formed by performing uneven processing (for example, texture processing, blast processing, etc.) on the back surface of the light guide section 45.
Further, a reflective layer such as a light-reflective coating layer, a highly light-reflective metal plating layer, or a PVD (Physical Vapor Deposition) layer is provided on the back surface of the light guide 45, and the reflective layer is formed on the reflective surface 45b. It is good.
Further, fine particles of a material having a high light scattering property (for example, silica, titanium oxide, etc.) are included in each of the outer lenses 41 and 42, and the light is scattered by the fine particles to emit light from the emission surface 45 c of the light guide unit 45. You may do it.

  [D] As shown in FIG. 4, the illuminating device 60 according to another embodiment embodying the present invention includes a light source module 20, an emblem portion 21, a translucent housing 22 (a bottom surface 22a, side wall surfaces 22b and 22c, an opening). Part 22d), light source parts 23 and 24, emblem body 25, emblem base 26 (hook part 26a), waterproof cap 27, convex lenses 28 and 29, LED 30, wiring board 31, wire harness 32, light decorative members 40a and 40b, outer Lens bases 43 and 44 (reflection layers 43a and 44a), outer lenses 61 and 62, a light guide portion 63 (incident surface 63a, reflective surface 63b, and output surface 63c) are provided, and are line symmetric with respect to the longitudinal direction (left and right direction). It is a simple configuration.

The illumination device 60 shown in FIG. 4 is different from the illumination device 10 shown in FIGS. 1 to 3 in the configuration of the light decoration members 40a and 40b.
In the illumination device 60, the light decoration member 40 a includes an outer lens 61 and an outer lens base 43, and the light decoration member 40 b includes an outer lens 62 and an outer lens base 44.
The two outer lenses 61 and 62 having the same configuration are long rectangular parallelepiped box-like objects whose bottom surfaces are opened, and are formed of a highly transparent synthetic resin material (for example, PMMA, PC, etc.).
The surface of each outer lens 61, 62 is substantially flat, and the entire outer peripheral edge of the opening of each outer lens 61, 62 is fixedly attached to the surface of each outer lens base 43, 44.

A light guide portion 63 of each of the light decoration members 40a and 40b is formed by the space portion between the outer lens 61 and the outer lens base 43 and the space portion between the outer lens 62 and the outer lens base 44.
Reflective layers 43 a and 44 a are formed on the surfaces of the outer lens bases 43 and 44 in the light guide unit 63.
The reflection layers 43a and 44a are made of a light-reflective coating layer, a highly light-reflective metal plating layer, a PVD layer, or the like.
In addition, if each outer lens base 43 and 44 is formed with the synthetic resin material (for example, white synthetic resin material) which has light reflectivity, the reflection layers 43a and 44a can be omitted.

The light guide part 63 of each light decoration member 40a, 40b has an incident surface 63a, a reflective surface 63b, and an output surface 63c.
The incident surface 63 a is formed by the surface of the side wall surface of each outer lens 61, 62 that faces the side wall surfaces 22 b, 22 c of the translucent housing 22.
The reflection surface 63b is composed of reflection layers 43a and 44a of the outer lens bases 43 and 44, respectively.
The emission surface 63c is composed of a substantially flat surface of each outer lens base 43,44.
In each of the light decoration members 40 a and 40 b, the surface of the light guide portion 63 in the vicinity of the incident surface 63 a is attached and fixed to the back surface of the flange portion 26 a of the emblem base 26.
The incident surface 63a of the light guide portion 63 of each light decoration member 40a, 40b is disposed opposite to the side wall surfaces 22b, 22c (convex lenses 28, 29) of the translucent housing 22.

In the illuminating device 60, the light emitted from the LEDs 30 of the light source units 23 and 24 is collected by the convex lenses 28 and 29 of the side wall surfaces 22 b and 22 c of the translucent housing 22. The light is incident on the incident surface 63a of the light guide portion 63 of 40b, is reflected by the reflective surface 63b of the light guide portion 65 while being guided in the longitudinal direction in the light guide portion 63, and the vehicle body from the output surface 63c of the light guide portion 63. The light is emitted to the front side.
Accordingly, the lighting device 60 can provide the same operations and effects as the lighting device 10.

  [E] The LED 30 may be replaced with any light emitting member (for example, a semiconductor light emitting element such as an EL (Electro Luminescence) element, a light bulb, or the like).

[F] Each of the above embodiments includes two light decoration members 40a and 40b, but either one of the light decoration members may be omitted.
Further, the light guide member includes a plurality of light decoration members of three or more, and the light decoration members are symmetrically arranged so as to extend on both sides with respect to the light source module 20 disposed in the center. A plurality of light source units may be provided so as to face the incident surface.
In addition, the light decoration member includes three or more light decoration members, the light decoration members are arranged in a star shape so as to extend radially with respect to the light source module 20 disposed in the center, and light guide of the plurality of light decoration members is performed. A plurality of light source units may be provided so as to face the incident surface of the unit.

[G] Although the illumination devices 10 and 60 of the above embodiments are applied to a front grille with an illumination of an automobile, the illumination device of the present invention is installed at any location inside or outside the interior of the automobile. You may apply to an attached garnish and you may change suitably about a detailed detailed structure etc. according to an installation place.
In addition, the lighting device of the present invention is not limited to a vehicle, and may be applied to lighting of any article (for example, an electric product, furniture, etc.). In that case, the outer lenses 41 and 42 are attached to the article. What is necessary is just to replace with an exterior member.

  The present invention is not limited to the description of each aspect and each embodiment. Various modifications are also included in the present invention as long as those skilled in the art can easily conceive without departing from the scope of the claims. The contents of publications and the like specified in the present specification are all incorporated by reference.

DESCRIPTION OF SYMBOLS 10,60 ... Illuminating device 20 ... Light source module 21 ... Emblem part (light-shielding cover part)
22 ... Translucent housing 22a ... Bottom 22b, 22c ... Side wall surface (outgoing area)
22d ... Opening 23, 24 ... Light source 25 ... Emblem body 26 ... Emblem base 26a ... Ridge 27 ... Prevention cap 28, 29 ... Convex lens 30 ... LED
DESCRIPTION OF SYMBOLS 31 ... Wiring board 32 ... Wire harness 40a, 40b ... Optical decoration member 41, 42, 61, 62 ... Outer lens 43, 44 ... Outer lens base 45, 63 ... Light guide part 45a, 63a ... Incident surface 45b, 63b ... Reflective surface 45c, 63c ... exit surface

Claims (5)

A light source that emits light;
A translucent housing in which the light source unit is accommodated;
A light source module having a light-shielding lid that is attached and fixed to the opening of the translucent housing by welding and covering the liquid-tight state;
A lighting device comprising a light guide provided separately from the light source module,
The incident surface of the light guide unit is disposed to face the emission region of the radiant light of the light source unit in the translucent housing, and includes a convex lens convex toward the light source unit integrally formed in the emission region. A lighting device ,
An illumination device in which an incident surface of the light guide portion is directly opposed to an emission region of the translucent housing. Comprising a collar protruding from the outer peripheral edge of the light-shielding lid,
The light guide part emits light to the front side facing the light-shielding lid part,
The emission region of the translucent housing, the incident surface of the light guide unit, and a part of the light emission surface of the light guide unit are arranged so as to be hidden behind the flange. Item 2. The lighting device according to Item 1. The light guide is a long object extending in the surface direction of the light-shielding lid,
The lighting device according to claim 1 or 2 . A plurality of the light guide parts, the light guide parts are symmetrically arranged to extend on both sides with respect to the light source module arranged in the center,
A plurality of the light source units are provided so as to face the incident surfaces of the plurality of light guide units,
The lighting device according to claim 3 . The lighting device is a vehicle exterior garnish provided in front of the automobile,
The lid includes an emblem;
The lighting device according to any one of claims 1 to 4 .

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