Vehicle lighting

JP2026126692APending Publication Date: 2026-08-05KOITO MFG CO LTD
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Patent Information

Authority / Receiving Office
JP · JP
Patent Type
Applications
Current Assignee / Owner
KOITO MFG CO LTD
Filing Date
2025-01-24
Publication Date
2026-08-05

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Abstract

The goal is to miniaturize the device while also creating an appropriate light distribution pattern for each type of light. [Solution] A first light source that emits light, a second light source that emits light with a different function from the light emitted from the first light source, a mounting base having a first mounting portion and a second mounting portion and having an insertion hole, a first light guide having a first light guide portion with a first emission surface formed thereon that guides the light emitted from the first light source and emits the guided light, and a first mountable portion attached to the first mounting portion, and a second emission surface formed thereon that guides the light emitted from the second light source and emits the guided light The device comprises a second light guide body having a second light guide portion and a second mounting portion attached to a second mounting portion, and a light shielding member having a partition portion separating the first light guide portion and the second light guide portion, with a first positioning portion for positioning the first light guide body and a second positioning portion for positioning the second light guide body provided on the partition portion, wherein the light shielding member is attached to the first mounting portion or the second mounting portion, and a part of the first light guide portion and a part of the second light guide portion protrude from the insertion hole.
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Description

Technical Field

[0001] The present invention relates to the technical field of vehicle lamps having a plurality of light guides for guiding light.

Background Art

[0002] Some vehicle lamps are configured such that a plurality of light sources that emit light and a plurality of light guides that respectively guide the light emitted from the light sources are arranged inside a lamp outer casing composed of a cover and a lamp housing (see, for example, Patent Document 1).

[0003] In the vehicle lamp described in Patent Document 1, two light guides (referred to as "inner lenses" in Patent Document 1) are arranged side by side vertically, and light, for example, as a turn signal lamp, is emitted from one light guide, and light, for example, as a stop lamp, is emitted from the other light guide. Therefore, the vehicle lamp is provided as a combination lamp that emits light of a plurality of functions.

[0004] The two light guides are partitioned vertically by a part of an extension that functions as a light shielding member, and the two light guides and the extension are attached to an inner housing that functions as a mounting base. Further, when the light emission direction is forward, the two light guides are entirely located behind the front surface of the extension.

Prior Art Documents

Patent Documents

[0005] [[ID=二十九]]

Patent Document 1

Summary of the Invention

Problems to be Solved by the Invention

[0006] Incidentally, while combination lamps with multiple light sources and multiple light guides, as described above, can ensure high functionality, they have the drawback of requiring various parts to ensure multiple functions, resulting in a large number of parts and a tendency to become bulky.

[0007] In particular, in configurations where the two light guides are positioned behind the front of the extension, the front-to-back size of the extension needs to be increased in proportion to the front-to-back size of the light guides. This increases the space required for the extension to be placed inside the lamp housing, which tends to lead to larger vehicle lamps.

[0008] Furthermore, in combination lamps, multiple lights with different functions are emitted, so it is necessary to prevent mixing of lights with different functions and to form an appropriate light distribution pattern for each light.

[0009] Therefore, the vehicle lighting device of the present invention aims to be miniaturized and to form an appropriate light distribution pattern for each type of light. [Means for solving the problem]

[0010] The vehicle lighting device according to the present invention comprises: a first light source that emits light; a second light source that emits light with a different function from the light emitted from the first light source; a mounting base having a first mounting portion and a second mounting portion and having an insertion hole; a first light guide body having a first light guide portion with a first emission surface formed thereon that guides the light emitted from the first light source and emits the guided light, and a first mountable portion that is attached to the first mounting portion; and a second light guide body having a second emission surface formed thereon that guides the light emitted from the second light source and emits the guided light. The device comprises a second light guide having two light guide portions and a second mounting portion attached to the second mounting portion, and a light shielding member having a partition portion separating the first light guide portion and the second light guide portion, the partition portion being provided with a first positioning portion for positioning the first light guide portion and a second positioning portion for positioning the second light guide portion, wherein the light shielding member is attached to the first mounting portion or the second mounting portion, and a part of the first light guide portion and a part of the second light guide portion protrude from the insertion hole.

[0011] As a result, when the first light guide portion of the first light guide body and the second light guide portion of the second light guide body are positioned by the first positioning portion and the second positioning portion provided in the partition portion of the light shielding member, respectively, a part of the first light guide portion and a part of the second light guide portion protrude from the insertion hole of the mounting base. [Effects of the Invention]

[0012] According to the present invention, with a portion of the first light guide and a portion of the second light guide protruding from the insertion hole of the mounting base, the first light guide of the first light guide and the second light guide of the second light guide are positioned by the first positioning portion and the second positioning portion provided on the partition portion of the light shielding member, respectively. Therefore, since a portion of the first light guide and the second light guide protrudes from the insertion hole, the size of the mounting base can be reduced, and the first light guide having a first emission surface and the second light guide having a second emission surface are positioned by the same portion of the light shielding member, thereby increasing the positional accuracy of the first emission surface and the second emission surface. As a result, the vehicle lighting fixture can be miniaturized and an appropriate light distribution pattern can be formed for each light source. [Brief explanation of the drawing]

[0013] [Figure 1] Figures 2 to 6 illustrate embodiments of the vehicle lighting device of the present invention, and this figure is a perspective view of the vehicle lighting device with the cover removed. [Figure 2] This is an exploded perspective view showing the internal structure of a vehicle's lighting fixture. [Figure 3] This is a cross-sectional view of a vehicle light fixture. [Figure 4] This is a perspective view of the mounting base. [Figure 5] This is a perspective view of the light-shielding component. [Figure 6] This is an enlarged perspective view showing a portion of the control board and other components. [Modes for carrying out the invention]

[0014] The embodiments for implementing the vehicle lighting device of the present invention will be described below with reference to the attached drawings.

[0015] The following describes the directions of light emission from a vehicle's lighting fixture, with the direction of light emission being forward, and the directions of forward, backward, up, down, left, and right being described. However, the directions of forward, backward, up, down, left, and right shown below are for the convenience of explanation, and the invention is not limited to these directions.

[0016] The vehicle lighting fixture 1 functions, for example, as a combination lamp having the functions of a tail lamp, a turn signal lamp, and a stop lamp. However, the vehicle lighting fixture 1 may also be provided as a combination lamp with other lamps.

[0017] The vehicle lighting fixture 1 comprises a lamp housing 2 having an opening at its front end and a cover 3 that closes the opening of the lamp housing 2 (see Figures 1 to 3). The lamp housing 2 and the cover 3 constitute the outer casing 4 of the lighting fixture, and the internal space of the outer casing 4 is formed as the lamp chamber 5.

[0018] The cover 3 is formed by multi-color molding, for example, three-color molding, and has a first light-transmitting portion 3a, a second light-transmitting portion 3b, a first light-shielding portion 3c, and a second light-shielding portion 3d (see FIGS. 1 and 3). The first light-transmitting portion 3a is formed, for example, in a substantially U shape lying on its side and is colored red. The second light-transmitting portion 3b is located inside the first light-transmitting portion 3a, is formed in a substantially rectangular shape that is horizontally long, and is made transparent. The first light-shielding portion 3c is located between the first light-transmitting portion 3a and the second light-transmitting portion 3b and is formed, for example, in a substantially U shape lying on its side. The second light-shielding portion 3d is located outside the first light-transmitting portion 3a and is formed, for example, in a substantially U shape lying on its side. The cover 3 is provided with a plurality of caulking projections 3e that protrude inward (rearward) at a predetermined position.

[0019] An inner lens 6 is arranged along the inner surface of the cover 3 in the lamp chamber 5 (see FIG. 3). The inner lens 6 has a function of diffusing light and has a plurality of caulking fixing portions 6a provided at predetermined positions. A horizontally long member insertion hole 6b is formed in the central portion of the inner lens 6 in the vertical direction. A diffusion step (not shown) is formed in the inner lens 6 at a position facing the first light-transmitting portion 3a of cover 3.

[0020] The inner lens 6 is arranged along the inner surface of the cover 3 with the caulking fixing portions 6a respectively fixed to the caulking projections 3e by caulking.

[0021] A holder 7, a light guide pipe 8, and a mounting substrate 9 are arranged in the lamp chamber 5 (see FIGS. 1 to 3).

[0022] The holder 7 is arranged on the inner surface side (rear surface side) of the inner lens 6, is formed, for example, of a milky white resin material, enables reflection of light, and has a function of holding the light guide pipe 8. The holder 7 is, for example, attached to the rear surface portion of the lamp housing 2 by screwing at the rear end portion.

[0023] The holder 7 has a forward-facing placement recess 7a, which is formed, for example, in a roughly U-shape when laid on its side. Both ends of the placement recess 7a are also open to the sides in the longitudinal direction. The holder 7 has a placement hole 7b formed inside the placement recess 7a.

[0024] The light guide pipe 8 is formed, for example, in a roughly U-shape when laid on its side, and is held in the holder 7 while inserted into the placement recess 7a. The light guide pipe 8 has both end faces in the longitudinal direction (light guide direction) formed as opposing surfaces 8a, and has the function of guiding light incident from the opposing surfaces 8a.

[0025] The mounting board 9 is formed in a vertically elongated shape and is positioned on one side of the lamp chamber 5, for example, attached to one side of the holder 7. Alternatively, the mounting board 9 may be attached to the holder 7 while being placed on a heat dissipation member (not shown), such as a heat sink.

[0026] Two light-emitting elements 10 are mounted on the mounting substrate 9, separated vertically, with opposing surfaces 8a positioned opposite each other. Therefore, light emitted from the light-emitting elements 10 is incident on the light guide pipe 8 from the opposing surfaces 8a and guided, and the guided light is emitted forward. Light is emitted from the light-emitting elements 10, for example, as a taillight, and light-emitting diodes (LEDs) are used as the light-emitting elements 10.

[0027] When light is emitted from the light-emitting element 10, the emitted light enters the light guide pipe 8 from the opposite surface 8a and is guided by the light guide pipe 8, and the guided light is emitted forward. At this time, some of the guided light may be emitted as leak light in the vertical direction or backward, but the leak light that reaches the holder 7 is reflected by the holder 7 and returns to the light guide pipe 8. Therefore, the emission efficiency of the light emitted from the light-emitting element 10 is improved.

[0028] The light A, guided by the light guide pipe 8 and emitted forward, is diffused by the diffusion step of the inner lens 6 and then passes through the first light-transmitting section 3a of the cover 3, illuminating forward as the red taillight light A (see Figure 3).

[0029] A composite lamp unit 11 is placed in the lamp chamber 5, and the composite lamp unit 11 is located inside the holder 7, with some exceptions (see Figures 2 and 3). The composite lamp unit 11 is, for example, a lamp unit that has the functions of a turn signal lamp and a stop lamp, and includes a mounting base 12, a first light guide 13, a second light guide 14, and a light shielding member 15.

[0030] The mounting base 12 is formed, for example, as a case shape with an overall opening towards the rear, and has a shape having an upper surface portion 16, a lower surface portion 17, a front surface portion 18, and a pair of side surfaces 19 (see Figures 2 to 4). The mounting base 12 is attached to the holder 7, for example, by screws or the like.

[0031] The mounting base 12 is provided with a first mounting portion 20 that protrudes upward from the rear end portion of the upper surface portion 16, and the first mounting portion 20 is provided with a cylindrical first mounting boss 21 that extends in the front-rear direction. The first mounting portion 20 is located, for example, in the center of the upper surface portion 16 in the left-right direction.

[0032] The mounting base 12 is provided with a second mounting portion 22 that protrudes downward from the rear end portion of the lower surface portion 17, and the second mounting portion 22 is provided with a cylindrical second mounting boss 23 that extends in the front-rear direction. The second mounting portion 22 is located, for example, in the center of the lower surface portion 17 in the left-right direction.

[0033] An insertion hole 18a is formed in the front portion 18, and the insertion hole 18a is formed in a horizontally elongated shape. The insertion hole 18a penetrates from front to back, and its axial direction is in the front-to-back direction.

[0034] The first light guide 13 is integrally formed from a transparent material and has a first light guiding portion 24 and a first mounting portion 25. The first light guide 13 is a light guide for emitting light, for example, as a turn signal lamp.

[0035] The first light guide portion 24 is formed in a plate shape facing vertically, with each part of its rear surface forming a plurality of first incident surfaces 24a arranged horizontally, and its front surface forming a first exit surface 24b. The first exit surface 24b may have a diffusion function such as a diffusion step or a textured surface. The first mounting portion 25 protrudes upward from the rear end of the first light guide portion 24 and has a boss insertion hole 25a.

[0036] The second light guide 14 is integrally formed from a transparent material and has a second light guiding portion 26 and a second mounting portion 27. The second light guide 14 is, for example, a light guide for emitting light as a stop lamp.

[0037] The second light guide portion 26 is formed in a plate shape facing vertically, with each part of its rear surface forming a plurality of second incident surfaces 26a arranged horizontally, and its front surface forming a second emission surface 26b. The length of the second light guide portion 26 in the front-to-back direction is approximately the same as the length of the first light guide portion 24 in the front-to-back direction, and its width (length) in the left-to-right direction is also approximately the same as the width of the first light guide portion 24 in the left-to-right direction. The second emission surface 26b may have a configuration having a diffusion function, such as a diffusion step or a textured surface. The second mounting portion 27 protrudes downward from the rear end of the second light guide portion 26 and has a screw insertion hole 27a.

[0038] The light-shielding member 15 is integrally formed from a resin material or the like, and has a partition portion 28, a plurality of vertical wall portions 29, and a connecting portion 30 (see Figures 2, 3, and 5).

[0039] The partition portion 28 is formed in a plate shape facing vertically, and its length in the front-to-back direction is slightly longer than the front-to-back length of the first light guide portion 24 and the front-to-back length of the second light guide portion 26. The width of the partition portion 28 in the left-to-right direction is slightly larger than the left-to-right width of the first light guide portion 24 and the left-to-right width of the second light guide portion 26.

[0040] The partition portion 28 is provided with a plurality of upwardly convex first positioning portions 28a on the upper surface, specifically in the portion behind the front end. The first positioning portions 28a are formed in a shape that extends in the front-to-back direction and are positioned spaced apart to the left and right.

[0041] The partition portion 28 is provided with multiple, for example, three, downwardly convex second positioning portions 28b at the front end and the portion behind the front end on the lower surface. The second positioning portions 28b are formed in a shape that extends in the front-rear direction and are spaced apart on the left and right sides. The two second positioning portions 28b located on the left and right sides are located at the front end on the lower surface, while the single second positioning portion 28b located in the center on the left and right is located behind the front end on the lower surface.

[0042] Three vertical wall sections 29 are provided, each protruding upward from both the left and right ends and the rear end of the partition section 28. A horizontally elongated light-passing hole 29a is formed in the vertical wall section 29 that protrudes from the rear end of the partition section 28.

[0043] The connecting portion 30 is continuous with the upper end of the vertical wall portion 29 that protrudes from the rear end of the partition portion 28, and is formed in a plate shape facing in the front-to-back direction. A screw insertion hole 30a is formed in the connecting portion 30.

[0044] The first light guide 13, the second light guide 14, and the light shielding member 15 are attached to the mounting base 12 by screws while in a positioned state (see Figure 3). Positioning of the first light guide 13, the second light guide 14, and the light shielding member 15 relative to the mounting base 12 is achieved, for example, by forming positioning holes (not shown) in the first light guide 13, the second light guide 14, and the light shielding member 15, and providing positioning protrusions on the mounting base 12 that are inserted into each of the positioning holes.

[0045] The first light guide 13 and the light shielding member 15 are attached to the mounting base 12 when the first mounting portion 25 and the connecting portion 30 are stacked front to back and the first mounting boss 21 is inserted into the boss insertion hole 25a from the front, and the first mounting screw 50, inserted into the screw insertion hole 30a from the rear, is screwed into the first mounting boss 21 of the first mounting portion 20. Thus, the first light guide 13 and the light shielding member 15 are attached to the mounting base 12 in a state where they are fastened together.

[0046] The second light guide 14 is attached to the mounting base 12 by screwing a second mounting screw 60, which is inserted from the rear into the screw insertion hole 27a, into the second mounting boss 23 of the second mounting portion 22.

[0047] In addition, in the composite lamp unit 11, instead of the connecting portion 30 protruding upward from the partition portion 28, the light-shielding member 15 may be provided with a connecting portion 30 protruding downward from the partition portion 28, and the second mounting portion 27 and the downwardly protruding connecting portion 30 may be stacked front to back, and the second light guide 14 and the light-shielding member 15 may be fastened together with the second mounting screw 60 to attach to the mounting base 12. In this case, only the first light guide 13 is attached to the mounting base 12 by the first mounting screw 50.

[0048] As described above, in the composite lamp unit 11, the coupling portion 30 and the first mounting portion 25 or the second mounting portion 27 are superimposed and attached to the first mounting portion 20 or the second mounting portion 22.

[0049] Therefore, the connecting portion 30 of the light-shielding member 15 and the first mounting portion 25 of the first light guide 13 or the second mounting portion 27 of the second light guide 14 can be attached to the first mounting portion 20 or the second mounting portion 22 by fastening them together, thereby improving the efficiency of the assembly work of each part of the vehicle lighting fixture 1.

[0050] When the first light guide 13, the second light guide 14, and the light shielding member 15 are mounted on the mounting base 12, the partition portion 28 of the light shielding member 15 is positioned between the first light guide portion 24 of the first light guide 13 and the second light guide portion 26 of the second light guide 14. Therefore, when there is light emitted downward from the first light guide portion 24 (leaked light) and light emitted upward from the second light guide portion 26 (leaked light), these leaked lights are shielded by the partition portion 28, preventing the leaked light emitted from the first light guide portion 24 from entering the second light guide portion 26 and preventing the leaked light emitted from the second light guide portion 26 from entering the first light guide portion 24.

[0051] Furthermore, at this time, the first light guide section 24 is covered from both sides by the vertical wall sections 29 located on both the left and right sides, and the emission of light guided by the first light guide section 24 as lateral leakage is prevented by the vertical wall sections 29 located on both the left and right sides. The vertical wall section 29 located on the rear side is located behind the first light guide section 24, and the light passage hole 29a is located directly behind the first incident surface 24a.

[0052] When the first light guide 13, the second light guide 14, and the light shielding member 15 are attached to the mounting base 12, the front end portion of the first light guide section 24, the front end portion of the second light guide section 26, and the front end portion of the partition section 28 protrude forward from the insertion hole 18a of the mounting base 12 and the member insertion hole 6b of the inner lens 6.

[0053] When the partition portion 28 of the light-shielding member 15 is positioned between the first light guide portion 24 and the second light guide portion 26, the first light guide portion 24 is pressed from below by the multiple first positioning portions 28a and the second light guide portion 26 is pressed from above by the multiple second positioning portions 28b. As a result, the first light guide portion 24 and the second light guide portion 26 are positioned by the light-shielding member 15, and the first incident surface 24a and the first exit surface 24b of the first light guide body 13 and the second incident surface 26a and the second exit surface 26b of the second light guide body 14 are held in the correct positions.

[0054] As described above, in the composite lamp unit 11, the first positioning portion 28a and the second positioning portion 28b are located on opposite sides of the partition portion 28, and the first positioning portion 28a and the second positioning portion 28b are provided at different positions in the front-rear direction.

[0055] Therefore, when the vehicle light fixture 1 is viewed from outside the vehicle, at least one of the first positioning portion 28a and the second positioning portion 28b is positioned in a location that is not visible, thereby improving the aesthetic appearance. Specifically, as described above, the first positioning portion 28a located on the upper side is positioned behind the front end of the partition portion 28, and the second positioning portions 28b located on the lower side are positioned at the front end of the partition portion 28, with one exception. Therefore, when the vehicle light fixture 1 is viewed from above, neither the first positioning portion 28a nor the second positioning portion 28b is visible, thereby improving the aesthetic appearance.

[0056] In general, since the vehicle light fixture 1 is rarely viewed from below, it is desirable to configure the first positioning portion 28a to be located behind the front end of the partition portion 28, as described above.

[0057] Furthermore, by positioning the three second positioning portions 28b separately to the left and right, with two second positioning portions 28b located at the front end and one second positioning portion 28b located behind the front end, a stable positioning state of the second light guide portion 26 relative to the light shielding member 15 in the front, back, left, and right directions can be ensured.

[0058] With respect to the first light guiding portion 24 of the first light guide body 13, the two first positioning portions 28a are positioned spaced apart to the left and right and are formed to extend in the front and back directions, thereby ensuring a stable positioning state in the front, back, left and right directions relative to the light shielding member 15.

[0059] A control board 31 is positioned behind the first light guide 13 and the second light guide 14 (see Figures 2 and 3). The control board 31 is, for example, positioned on the mounting base 12 and attached to the rear end of the mounting base 12 by screws or the like. The control board 31 may also be attached to the mounting base 12 while placed on a heat dissipation member (not shown), such as a heat sink.

[0060] The control board 31 is positioned facing forward and backward, with multiple first light sources 32 and second light sources 33 mounted on its front surface. For example, light-emitting diodes are used as the first light sources 32 and second light sources 33. For example, orange light is emitted from the first light source 32, and red light is emitted from the second light source 33. Heat is generated in the first light source 32 and second light source 33 when light is emitted (when they are lit).

[0061] Light from a turn signal lamp is emitted from the first light source 32, and the first light source 32 is positioned, for example, with two of them spaced apart to the left and right (see Figures 2 and 6). The first light source 32 is positioned directly behind the first incident surface 24a of the first light guide 13.

[0062] Light from the stop lamp is emitted from the second light source 33, and the second light source 33 is located below the first light source 32, for example, with four of them spaced apart to the left and right. The second light source 33 is located directly behind the second incident surface 26a of the second light guide 14.

[0063] As described above, the control board 31 functions as a board for mounting the first light source 32 that emits light from the turn signal lamps and the second light source 33 that emits light from the stop lamps. In addition, it has the function of controlling the on / off switching of the light-emitting element 10 that emits light from the tail lamps, the first light source 32, and the second light source 33.

[0064] Multiple electronic components (not shown) are mounted on the control board 31, and a conductive layer 34 made of copper foil or the like is formed on at least the front surface of the control board 31 for supplying current to the electronic components, the light-emitting body 10, the first light source 32, and the second light source 33 (see Figure 6).

[0065] The conductive layer 34 forms the wiring pattern on the control board 31, but there is a patternless region 35 on the front surface of the control board 31 where the conductive layer 34 is not formed. For example, on the front surface of the control board 31, there is a patternless region 35 extending left and right between the first light source 32 and the second light source 33.

[0066] Thus, the control board 31 has a patternless region 35 formed between the first light source 32 and the second light source 33 where there is no conductive layer 34. Therefore, the patternless region 35 makes it difficult for heat generated in the first light source 32 to be transferred to the second light source 33, and also makes it difficult for heat generated in the second light source 33 to be transferred to the first light source 32, thereby ensuring a good operating state for both the first light source 32 and the second light source 33.

[0067] When light is emitted from the first light source 32, the emitted light passes through the light-passing hole 29a of the light-shielding member 15 and enters the first light guide 13 from the first incident surface 24a, and is guided toward the first emission surface 24b by the first light guide section 24. The light B guided by the first light guide section 24 is emitted from the first emission surface 24b, passes through the second light-transmitting section 3b of the cover 3, and is irradiated forward as the orange light B of the turn signal lamp (see Figure 3). At this time, as described above, the first light guide section 24 is formed in a plate shape facing vertically and has a small vertical width, so a horizontally elongated light with a small vertical width is emitted from the first emission surface 24b.

[0068] On the other hand, when light is emitted from the second light source 33, the emitted light enters the second light guide 14 from the second incident surface 26a and is guided toward the second emission surface 26b by the second light guide portion 26. The light C guided by the second light guide portion 26 is emitted from the second emission surface 26b, passes through the second light-transmitting portion 3b of the cover 3, and is irradiated forward as the light C of the red stop lamp. At this time, as described above, the second light guide portion 26 is formed in a plate shape facing vertically and has a small vertical width, so a horizontally elongated light with a small vertical width is emitted from the second emission surface 26b.

[0069] In the combined lamp unit 11, light may be emitted simultaneously from the first light source 32 and the second light source 33, but the first light guide section 24 and the second light guide section 26 are separated by the partition section 28 of the light shielding member 15. Therefore, the orange light guided by the first light guide section 24 does not leak into the second light guide section 26, and the red light guided by the second light guide section 26 does not leak into the first light guide section 24. As a result, the orange light and the red light are not mixed, and light can be emitted from the first incident surface 24a and the second incident surface 26a in the appropriate colors.

[0070] As described above, the vehicle light fixture 1 includes a light-shielding member 15 having a partition portion 28 that separates the first light guide portion 24 and the second light guide portion 26, and the partition portion 28 is provided with a first positioning portion 28a for positioning the first light guide body 13 and a second positioning portion 28b for positioning the second light guide body 14, and the light-shielding member 15 is attached to the first mounting portion 20 or the second mounting portion 22, with a part of the first light guide portion 24 and a part of the second light guide portion 26 protruding from the insertion hole 18a.

[0071] Therefore, with a portion of the first light guide portion 24 and a portion of the second light guide portion 26 protruding from the insertion hole 18a of the mounting base 12, the first light guide portion 24 of the first light guide body 13 and the second light guide portion 26 of the second light guide body are positioned by the first positioning portion 28a and the second positioning portion 28b provided on the partition portion 28 of the light shielding member 15, respectively.

[0072] As a result, parts of the first light guide 13 and the second light guide 14 protrude from the insertion hole 18a, making it possible to reduce the size of the mounting base 12, and the first light guide portion 24 having the first emission surface 24b and the second light guide portion 26 having the second emission surface 26b are positioned by the same portion of the light shielding member 15. With this configuration, the positional accuracy of the first emission surface 24b and the second emission surface 26b relative to the light shielding member 15 is improved, making it possible to miniaturize the vehicle lamp 1 and to form an appropriate light distribution pattern for each light source.

[0073] Furthermore, a light-emitting element 10 is provided that emits light with a different function from the light emitted from the first light source 32 and the second light source 33. The first light source 32 and the second light source 33 are mounted on a control board 31, and the control board 31 controls the on / off switching of the first light source 32, the second light source 33, and the light-emitting element 10.

[0074] Therefore, since the first light source 32 and the second light source 33 are mounted on the control board 31, and the first light source 32, the second light source 33, and the light emitter 10 are controlled by the control board 31, the number of control boards 31 is reduced, which allows for a reduction in the number of parts and miniaturization of the vehicle lighting fixture 1. [Explanation of Symbols]

[0075] 1. Vehicle lighting fixtures 10 Light-emitting elements 12 Mounting base 13. First light guide 14. Second light guide 15 Light-shielding material 18a Through hole 19 Side part 20 First mounting section 22 Second mounting section 24 First light guide 24b First launch surface 25 First mounting portion 26 Second light guide 26b Second launch surface 27 Second mounting portion 28 Partition 28a First positioning unit 28b Second positioning unit 30 Joint 31 Control board 32 First light source 33. Second light source 34 Conductor layer 35 Unpatterned area

Claims

1. A first light source that emits light, A second light source that emits light with a different function from the light emitted from the first light source, A mounting base having a first mounting portion and a second mounting portion and having an insertion hole formed therein, A first light guide body having a first light guide portion having a first emitting surface formed thereon for guiding light emitted from the first light source and emitting the guided light, and a first mounting portion that is attached to the first mounting portion, A second light guide has a second light guide portion having a second emitting surface formed thereon for guiding light emitted from the second light source and emitting the guided light, and a second mounting portion that is attached to the second mounting portion, The light-shielding member comprises a partition that separates the first light-guide portion and the second light-guide portion, and the partition portion is provided with a first positioning portion for positioning the first light-guide and a second positioning portion for positioning the second light-guide, The light-shielding member is attached to the first mounting portion or the second mounting portion, and a part of the first light guide portion and a part of the second light guide portion protrude from the insertion hole. Vehicle lighting fixtures.

2. A light-emitting body is provided that emits light with a different function from the light emitted from the first light source and the second light source, The first light source and the second light source are mounted on a control board. The control board controls the on / off switching of the first light source, the second light source, and the light-emitting element. A vehicle light fixture according to claim 1.

3. The control board is provided with a conductor layer on which the first light source and the second light source are mounted and which forms a wiring pattern. A patternless region is formed between the first light source and the second light source where the conductive layer does not exist. The vehicle lighting fixture according to claim 2.

4. A connecting portion is provided in the light-shielding member. The connecting portion and the first mounting portion or the second mounting portion are attached to the first mounting portion or the second mounting portion in a state where they are overlapping. A vehicle light fixture according to claim 1, claim 2, or claim 3.

5. The first positioning portion and the second positioning portion are located on opposite sides of the partition portion. The first positioning portion and the second positioning portion are provided at different positions in the axial direction of the insertion hole. A vehicle light fixture according to claim 1, claim 2, or claim 3.