JP7145644B2 - vehicle lamp - Google Patents

Description

The present invention relates to a vehicle lamp.

2. Description of the Related Art Conventionally, as a vehicle lamp mounted on a vehicle, a combination of a light source such as a light emitting diode (LED) and a light guide such as an inner lens is known (see, for example, Patent Document 1 below. ).

In such a vehicle lamp, the light emitted from the light source enters from the base end side of the light guide into the inside, and the light is directed toward the tip side of the light guide while being repeatedly reflected inside the light guide. and emit the light reflected by a plurality of reflection cuts provided on the back side of the light guide to the outside from the front side of the light guide. The light-emitting unit that is selected is caused to emit light.

On the other hand, in the vehicle lamp, part of the light may leak from the back surface of the light guide without being reflected by a plurality of reflection cuts, depending on the shape and light distribution pattern of the light guide. Therefore, a reflector is provided at a position facing the back surface of the light guide, and the light leaking from the back surface of the light guide is reflected by the reflector and returned to the inside of the light guide.

For example, in a vehicle lamp described in Patent Document 1 below, a reflector is provided with a plurality of reflection cuts, and the direction of reflection of light leaking from the back surface of a light guide is controlled by the plurality of reflection cuts. It is proposed to increase the utilization efficiency of the light emitted from the light source by returning it to the inside.

JP 2011-198537 A

However, the above-described conventional vehicular lamp utilizes planar light emission from the light guide, lacks a three-dimensional effect, and has a limited degree of freedom in design.

SUMMARY OF THE INVENTION The present invention has been proposed in view of such conventional circumstances, and an object of the present invention is to provide a vehicle lamp capable of emitting light with a three-dimensional effect and good appearance.

In order to achieve the above object, the present invention provides the following means.
[1] Including a first light source and a first light guide, and directing the first light emitted from the first light source to the inside from the incident surface on the base end side of the first light guide. and guide the first light toward the tip side of the first light guide, and the second light reflected by a plurality of reflection cuts provided on the back side of the first light guide a first light emitting unit for causing a first light emitting section provided on the front side of the first light guide to emit light by emitting one light from the front side of the first light guide to the outside; and
including a second light source and a second light guide, and allowing the second light emitted from the second light source to enter the inside from the incident surface on the base end side of the second light guide , guide the second light toward the tip side of the second light guide, and the second light reflected by the plurality of reflection cuts provided on the back side of the second light guide; to the outside from the front side of the second light guide, thereby causing a second light emitting unit provided on the front side of the second light guide to emit light;
a light blocking second extension at least partially positioned between said first light guide and said second light guide ;
an incident surface of the second light source and the second light guide is located on the back side of the second extension and is covered with the second extension;
By arranging a portion of the back surface on the tip side of the first light guide and the front surface of the second light guide directly facing each other, the first light emitting unit and the second light guide are arranged to face each other. An overlapping light emitting portion is provided in which two light emitting portions are overlapped and both the first light emitted from the first light emitting portion and the second light emitted from the second light emitting portion are emitted. and
When the first light source and the second light source are turned on, the second light emitting section, the overlapping light emitting section, and the second extension are sequentially arranged from the tip side of the second light guide. The first light emitting unit located on the back side is located side by side,
The second extension blocks the second light emitted to the outside from the base end side of the overlapping light emitting portion of the second light guide, and the rear surface of the first light guide. A vehicular lamp, characterized in that it blocks the first light emitted from the side to the outside .
[ 2 ] Between the first reflecting surface provided with the plurality of reflection cuts and the first reflecting surface on the back side of the first light guide and the back side of the second light guide and a second reflective surface arranged with a stepped portion therebetween,
The above [1 ], wherein at least part of the light incident on the step portion is reflected toward the front side of the first light guide and the front side of the second light guide. vehicle lighting fixtures.
[ 3 ] the step portion includes an inclined surface connecting the first reflecting surface and the second reflecting surface;
The vehicular lamp according to [ 2 ], wherein the first reflecting surface is provided so as to protrude further rearward than the second reflecting surface through the stepped portion .
[ 4 ] The stepped portion is provided so as to surround the periphery of the first reflecting surface excluding the tip side of the first light guide and the tip side of the second light guide. The vehicle lamp according to the above [ 2 ] or [ 3 ].
[5] Including a first light source and a first light guide, and directing the first light emitted from the first light source to the inside from the incident surface on the base end side of the first light guide. and guide the first light toward the tip side of the first light guide, and the second light reflected by a plurality of reflection cuts provided on the back side of the first light guide a first light emitting unit for causing a first light emitting section provided on the front side of the first light guide to emit light by emitting one light from the front side of the first light guide to the outside; When,
including a second light source and a second light guide, and allowing the second light emitted from the second light source to enter the inside from the incident surface on the base end side of the second light guide , guide the second light toward the tip side of the second light guide, and the second light reflected by the plurality of reflection cuts provided on the back side of the second light guide; to the outside from the front side of the second light guide, thereby causing a second light emitting unit provided on the front side of the second light guide to emit light;
a light blocking second extension at least partially positioned between said first light guide and said second light guide;
a bracket to which the first light emitting unit and the second light emitting unit are attached ;
an incident surface of the second light source and the second light guide is located on the back side of the second extension and is covered with the second extension;
The first light emitting section is formed by arranging a portion of the back surface of the distal end side of the first light guide and a part of the front surface of the base end side of the second light guide directly facing each other. and the second light-emitting portion overlap each other, and the overlapping light-emitting portion emits both the first light emitted from the first light-emitting portion and the second light emitted from the second light-emitting portion is provided,
The bracket is provided with mounting portions for fixing the first light source, the first light guide, the second extension, the second light source, and the second light guide, respectively. Along with being
The second light-emitting portion, the overlapping light-emitting portion, and the first light-emitting portion having the second extension positioned on the back side are arranged in order from the tip side of the second light guide. are attached to the respective attachment portions,
The second light guide is fixed to the bracket while being sandwiched between the bracket and the second extension,
The second extension blocks the second light emitted to the outside from the base end side of the overlapping light emitting portion of the second light guide, and the rear surface of the first light guide. A vehicular lamp, characterized in that it blocks the first light emitted from the side to the outside.
[ 6 ] The first light emitting unit includes a first substrate on which the first light source is mounted,
the second light emitting unit includes a second substrate on which the second light source is mounted;
The vehicle according to [ 6 ], wherein the first light source and the second light source are fixed by attaching the first substrate and the second substrate to the bracket, respectively. lighting equipment.
[7] The vehicle lamp according to any one of [1] to [6], wherein the first light source and the second light source are LEDs emitting light of the same color.

As described above, according to the present invention, it is possible to provide a vehicular lamp capable of emitting light with a three-dimensional effect and good appearance.

1 is a perspective view showing the configuration of a vehicle lamp according to an embodiment of the present invention; FIG. FIG. 2 is an exploded perspective view showing the configuration of the vehicle lamp shown in FIG. 1; FIG. 2 is a cross-sectional view showing the configuration of the vehicle lamp shown in FIG. 1; 4 is a cross-sectional view showing an enlarged enclosing portion S shown in FIG. 3; FIG. FIG. 2 is a cross-sectional view of a main part showing configurations of a first light emitting unit and a second light emitting unit provided in the vehicle lamp shown in FIG. 1; FIG. 2 is a perspective view of a first light guide and a second light guide provided in the vehicle lamp shown in FIG. 1 as viewed from the rear side;

BEST MODE FOR CARRYING OUT THE INVENTION Hereinafter, embodiments of the present invention will be described in detail with reference to the drawings.
In the drawings used in the following description, the scale of dimensions may vary depending on the component in order to make it easier to see each component, and the dimensional ratio of each component may not necessarily be the same as the actual do not have.

As one embodiment of the present invention, for example, a vehicle lamp 1 shown in FIGS. 1 to 6 will be described.
1 is a perspective view showing the configuration of the vehicle lamp 1. FIG. FIG. 2 is an exploded perspective view showing the configuration of the vehicle lamp 1. As shown in FIG. FIG. 3 is a sectional view showing the configuration of the vehicle lamp 1. As shown in FIG. FIG. 4 is a cross-sectional view showing an enlarged enclosing portion S shown in FIG. FIG. 5 is a cross-sectional view of a main part showing the configuration of the first light emitting unit 5A and the second light emitting unit 5B provided in the vehicle lamp 1. As shown in FIG. FIG. 6 is a perspective view of the first light guide 4A and the second light guide 4B provided in the vehicle lamp 1 as viewed from the rear side.

In the drawings shown below, an XYZ orthogonal coordinate system is set, the X-axis direction is the front-rear direction (depth direction) of the vehicle lamp 1, the Y-axis direction is the left-right direction (width direction) of the vehicle lamp 1, and the Z-axis The direction is shown as the vertical direction (height direction) of the vehicle lamp 1 .

The vehicular lamp 1 of this embodiment is, for example, a rear combination lamp mounted on both rear corners (left rear corners in this embodiment) of a vehicle (not shown). is applied.

In the following description, unless otherwise specified, the terms "front", "rear", "left", "right", "upper", and "lower" are used when the vehicle lamp 1 is viewed from the front (rear of the vehicle). shall mean the respective directions of Therefore, each direction when the vehicle is viewed from the front (vehicle front) is a direction in which front, rear, left, and right are reversed.

As shown in FIGS. 1 to 3, the vehicle lamp 1 of this embodiment includes a first light emitting unit 5A including a first light source 2A, a first circuit board 3A and a first light guide 4A, A second light emitting unit 5B including a second light source 2B, a second circuit board 3B and a second light guide 4B, a first extension 6A, a second extension 6B and a third extension 6C, and a bracket 7.

Although not shown, the vehicle lamp 1 includes a housing having an open front surface and a transparent lens cover that covers the opening of the housing. A light emitting unit 5A and a first extension 6A, and a second light emitting unit 5B and a first extension 6B are arranged.

The first light source 2A and the second light source 2B are, as shown in FIGS. 2, 3 and 5, LEDs that emit red light (hereinafter simply referred to as light), for example. Also, the LEDs used are high output (high brightness) types for vehicle lighting (for example, SMD LEDs, etc.). The first light source 2A and the second light source 2B are mounted on the front side (+X-axis side) of the first circuit board 3A and the second circuit board 3B, respectively, on which driving circuits for driving LEDs are provided. Light is emitted radially forward (+X-axis direction). The first circuit board 3A and the second circuit board 3B are attached to the front side (+X-axis side) of the bracket 7 .

As shown in FIGS. 2, 3, 5 and 6, the first light guide body 4A and the second light guide body 4B are formed as an inner lens of the vehicle lamp 1 as a whole in a substantially flat plate shape. are arranged in a direction substantially parallel to the vertical direction (Z-axis direction). In addition, the first light guide 4A and the second light guide 4B extend forward from positions facing the first light source 2A and the second light source 2B, respectively, and then bend toward the vehicle. It has a shape extending from the inner side (−Y axis side) toward the outer side (+Y axis side) in the width direction (Y axis direction). For the first light guide 4A and the second light guide 4B, a material having a higher refractive index than air, such as transparent resin such as polycarbonate or acrylic, or glass, can be used.

In the first light emitting unit 5A, the light emitted from the first light source 2A (hereinafter referred to as the first light L1) passes through the end surface of the first light guide 4A on the base end side (hereinafter referred to as the incident surface). ) 4a and repeats reflection inside the first light guide 4A, guides the first light L1 toward the tip side of the first light guide 4A, By emitting the first light L1 reflected by the plurality of reflection cuts 8 provided on the back surface 4b side of the light guide 4A to the outside from the front surface 4c side of the first light guide 4A, the first The first light emitting portion 9A provided on the front face 4c side of the light guide 4A is caused to emit light.

Similarly, in the second light emitting unit 5B, the light emitted from the second light source 2B (hereinafter referred to as the second light L2) is directed to the base end face of the second light guide 4B (hereinafter referred to as the incident light). (referred to as a surface.) 4a, and while repeating reflection inside the second light guide 4B, guide the second light L2 toward the tip side of the second light guide 4B. , the second light L2 reflected by the plurality of reflection cuts 8 provided on the back surface 4b side of the second light guide 4B is emitted to the outside from the front surface 4c side of the second light guide 4B. , the second light-emitting portion 9B provided on the front face 4c side of the second light guide 4B emits light.

The plurality of reflection cuts 8 direct the first light L1 and the second light L2 incident on the rear surface 4b of the first light guide 4A and the second light guide 4B to the first light guide 4A and the second light guide 4B. The shape, size, number and the like are not particularly limited as long as the light is reflected at an angle less than the critical angle with respect to the front face 4c of the light guide 4B. For example, the reflection cut 8 of the present embodiment is configured by dot-shaped concave portions formed by notching the back surfaces 4b of the first light guide 4A and the second light guide 4B.

In addition, the first light guide 4A and the second light guide 4B each have a first reflecting surface 10 provided with a plurality of reflection cuts 8 and a first reflecting surface 10 on the back surface 4b side. and a second reflecting surface 12 arranged with a stepped portion 11 therebetween.

The first reflecting surface 10 is provided so as to protrude rearward from the second reflecting surface 12 via the stepped portion 11 . The stepped portion 11 is provided so as to surround the periphery of the first reflecting surface 10 excluding the distal end sides of the first light guide 4A and the second light guide 4B. The second reflecting surface 12 is provided outside the stepped portion 11 . The second reflecting surface 12 may be provided with a plurality of reflection cuts 8 or may not be provided with a plurality of reflection cuts 8 .

The stepped portion 11 constitutes an inclined surface that connects the first reflecting surface 10 and the second reflecting surface 12 . The inclined surface is obliquely provided between the first reflecting surface 10 and the second reflecting surface 12 .

As a result, at least a part of the first light L1 and the second light L2 incident on the respective stepped portions 11 becomes the first are reflected toward the front surfaces 4c of the second light guide 4A and the second light guide 4B. It should be noted that the stepped portion 11 is not limited to such an inclined surface, and may be a substantially arc-shaped concave surface or convex surface. As a result, the first light L1 and the second light L2 incident on the stepped portion 11 can be reflected while being diffused or condensed.

Further, a reflective film (not shown) may be provided on end faces (hereinafter referred to as tip faces) 4d on the tip side of the first light guide 4A and the second light guide 4B. As a result, the first light L1 and the second light L2 incident on the front end surfaces 4d of the first light guide 4A and the second light guide 4B are reflected by the reflective film, and the first light guide 4A The first light L1 and the second light L2 incident on the stepped portion 11 are guided toward the base end side of the second light guide 4B and guided to the first light guide 4A and the second light guide 4B. It is possible to reflect toward the front face 4c side of the light body 4B.

The first light emitting portion 9A and the second light emitting portion 9B are light emitting regions corresponding to the first reflecting surfaces 10 respectively on the front surface 4c side of the first light guide 4A and the second light guide 4B. It has a first light emitting surface 9a, a second light emitting surface 9b serving as a light emitting area corresponding to the second reflecting surface 12, and a third light emitting surface 9c serving as a light emitting area corresponding to the step portion 11. ing.

In the first light emitting section 9A, the first light L1 reflected by the first reflecting surface 10 can cause the first light emitting surface 9a to emit light. Further, the first light L1 reflected by the second reflecting surface 12 can cause the second light emitting surface 9b to emit light. Furthermore, the first light L1 reflected by the stepped portion 11 can cause the third light emitting surface 9c to emit light.

Similarly, in the second light emitting section 9B, the second light L2 reflected by the first reflecting surface 10 can cause the first light emitting surface 9a to emit light. Further, the second light L2 reflected by the second reflecting surface 12 can cause the second light emitting surface 9b to emit light. Furthermore, the second light L2 reflected by the stepped portion 11 can cause the third light emitting surface 9c to emit light.

At this time, in the first light-emitting portion 9A and the second light-emitting portion 9B, reflecting the height difference between the first reflecting surface 10 and the second reflecting surface 12, the second light-emitting portion 9B is illuminated inside the second light-emitting surface 9b. One light emitting surface 9a can be made to emit light three-dimensionally. Further, the first light L1 and the second light L2 reflected by the edge portion 11a, which is the boundary between the stepped portion 11 and the first reflecting surface 10, and the inclined portion 11b of the stepped portion 11, cause the first reflecting surface to Around 10, the third light emitting surface 9c can be emphasized to emit light.

Therefore, in the vehicle lamp 1 of the present embodiment, the first light-emitting portion 9A and the second light-emitting portion 9B are illuminated by the light emitted from the first light-emitting surface 9a, the second light-emitting surface 9b, and the third light-emitting surface 9c. It is possible to produce light emission with a three-dimensional effect.

The first extension 6A and the second extension 6B are made of a plate-shaped resin molding as a whole, and have a decorative surface 6a painted black on the front side thereof. The first extension 6A is arranged on the front surface 4c side of the first light guide 4A so as to cover at least part of the first light guide 4A except for the first light emitting portion 9A. Similarly, the second extension 6B is arranged on the front surface 4c side of the second light guide 4B so as to cover at least part of the second light guide 4B except for the second light emitting portion 9B. .

The third extension 6C is made of a plate-shaped resin molded body as a whole, and has a decorative surface 6b painted black on the front side thereof. In addition, the third extension 6C has an opening 6c that exposes at least the first light-emitting portion 9A and the second light-emitting portion 9B to the outside, so that the first light-emitting unit 5A and the second light-emitting unit 5B are separated from each other. It is arranged so as to cover the front 4c side.

The bracket 7 is made of a resin molded body formed in a plate shape as a whole, and extends from the inner side (−Y axis side) toward the outer side (+Y axis side) in the width direction of the vehicle (Y axis direction). It has a shape obliquely inclined toward the (+X direction) side.

In addition, on the front side of the bracket 7, a first attachment portion 7a to which the first light guide 4A and the first extension 6A are attached, and a second light guide 4B and the second extension 6B are attached. A second mounting portion 7b is provided.

The first mounting portion 7a is located inside (-Y-axis side) in the vehicle width direction (Y-axis direction) of the second mounting portion 7b. On the other hand, the second mounting portion 7b is positioned outside (+Y-axis side) in the vehicle width direction (Y-axis direction) of the first mounting portion 7a, and further forward ( +X-axis side).

Further, on the front side of the bracket 7, there is provided a third mounting portion 7c to which a first holding member 13A for holding a part of the base end side of the first circuit board 3A and the first light guide 4A is mounted. , and a fourth mounting portion 7d to which a second holding member 13B for holding a portion of the base end side of the second circuit board 3B and the second light guide 4B is mounted.

A part of the base end side of the first light guide 4A is fixed to the bracket 7 while being held by the first holding member 13A. The first light source 2A is positioned opposite to the incident surface 4a of the first light guide 4A. The first circuit board 3A is sandwiched between the third mounting portion 7c and the first holding member 13A and fixed to the bracket 7 together with the first holding member 13A using screws 14a. .

Further, the first light guide 4A is sandwiched between the first mounting portion 7a and the first extension 6A, and is attached to the bracket 7 with a screw 14b together with a third extension 6C covering the front side thereof. is fixed using

Similarly, a portion of the base end side of the second light guide 4B is fixed to the bracket 7 while being held by the second holding member 13B. The second light source 2B is located opposite the incident surface 4a of the second light guide 4B. The second circuit board 3B is sandwiched between the fourth mounting portion 7d and the second holding member 13B, and fixed to the bracket 7 together with the second holding member 13B using screws 14c. .

The second light guide 4B is sandwiched between the second mounting portion 7b and the second extension 6B, and is attached to the bracket 7 with a screw 14d together with a third extension 6C covering the front side thereof. is fixed using

As a result, the first light emitting unit 5A and the second light emitting unit 5B are separated from the rear surface 4b on the distal end side of the first light guide 4A and the front surface 4c on the base end side of the second light guide 4B. They are arranged side by side in the vehicle width direction (Y-axis direction) with some of them facing each other.

By the way, in the vehicle lamp 1 of the present embodiment, as shown in FIGS. A part of the front face 4c is arranged so as to face each other, thereby providing an overlapping light emitting part 9C in which the first light emitting part 9A and the second light emitting part 9B overlap each other.

Thus, in the vehicle lamp 1 of the present embodiment, the first light L1 emitted from the first light emitting portion 9A and the second light L2 emitted from the second light emitting portion 9B are overlapped light emitting portions. Since they overlap at 9C, it is possible to produce light emission with a three-dimensional effect while emphasizing the light emission from the overlapping light emitting portion 9C.

Further, in the vehicle lamp 1 of the present embodiment, part of the second extension 6B described above is arranged between the first light guide 4A and the second light guide 4B. Thereby, the second extension 6B blocks the second light L2 emitted to the outside from the base end side of the overlapping light emitting portion 9C of the second light guide 4B. Also, the second extension 6B blocks the first light L1 emitted from the back surface 4b side of the first light guide 4A to the outside.

In this case, when the vehicular lamp 1 is turned on, it is possible to eliminate the presence of the parts other than the first light emitting part 9A, the second light emitting part 9B and the overlapping light emitting part 9C. Also, when the vehicle lamp 1 is not lit, it is possible to prevent the shape of the rear surface 4b side of the first light guide member 4A from being reflected by external light incident from the front surface 4c side of the first light guide member 4A. is possible.

As described above, in the vehicle lamp 1 of the present embodiment, the above-described first light-emitting portion 9A, second light-emitting portion 9B, and overlapping light-emitting portion 9C can produce light with a three-dimensional effect. In addition, it is possible to improve the appearance when lighting and when not lighting.

It should be noted that the present invention is not necessarily limited to the above-described embodiments, and various modifications can be made without departing from the gist of the present invention.
For example, in the vehicle lamp 1, the first light emitting unit 5A and the second light emitting unit 5B are overlapped to form one overlapping light emitting unit 9C. By increasing the number of light-emitting units 5A and 5B, it is possible to arrange a plurality of overlapping light-emitting portions 9C. Further, in the vehicle lamp 1, the shape of the first light guide 4A and the second light guide 4B can be appropriately changed according to the design of the actual vehicle.

Further, in the first light guide body 4A and the second light guide body 4B, one first reflecting surface 10 is provided inside the above-described second reflecting surface 12 via a stepped portion 11. However, a configuration in which a plurality of first reflecting surfaces 10 are provided side by side inside the second reflecting surface 12 via the stepped portion 11 may be adopted. Further, the structure in which the first reflecting surface 10 is provided inside the second reflecting surface 12 via the stepped portion 11 is arranged in a plurality of steps in the thickness direction of the first light guide 4A and the second light guide 4B. It is also possible to set it as the structure provided over. It is also possible to express characters, logos, etc. by the shape of the step portion 11 .

In the above-described embodiment, the case where the present invention is applied to the rear combination lamp is exemplified. It is also possible to apply the present invention to lighting fixtures.

For example, in addition to the above-described rear combination lamps, vehicle headlamps (headlamps), vehicle width lamps (position lamps), auxiliary headlamps (sub headlamps), front (rear) fog lamps (fog lamps), The present invention can be widely applied to vehicle lamps such as daytime lighting lamps (DRLs) and direction indicators (winker lamps).

For the first light source 2A and the second light source 2B, light-emitting elements such as laser diodes (LD) can be used in addition to the above-described LEDs. Further, the number of light emitting elements is not limited to one, and may be plural. Further, the colors of the first light L1 and the second light L2 emitted from the first light source 2A and the second light source 2B are not limited to the red light described above, and may be white light, orange light, or the like. It is also possible to change it appropriately according to the application.

REFERENCE SIGNS LIST 1 Vehicle lamp 2A First light source 2B Second light source 3A First circuit board 3B Second circuit board 4A First light guide 4B Second light guide 5A Second light guide 1 light emitting unit 5B... second light emitting unit 6A... first extension 6B... second extension 6C... third extension 7... bracket 8... reflection cut 9A... first light emitting part 9B... second light emitting part 9C... Duplicate light emitting part 9a... First light emitting surface 9b... Second light emitting surface 9c... Third light emitting surface 10... First reflecting surface 11... Stepped part 12... Second reflecting surface 13A... First holding Member 13B... second holding member 14a to 14d... screw

Claims (7)

including a first light source and a first light guide, and allowing the first light emitted from the first light source to enter the inside from the incident surface on the base end side of the first light guide , guiding the first light toward the tip side of the first light guide, and the first light reflected by a plurality of reflection cuts provided on the back side of the first light guide; to the outside from the front side of the first light guide, thereby causing a first light emitting unit provided on the front side of the first light guide to emit light ;
including a second light source and a second light guide, and allowing the second light emitted from the second light source to enter the inside from the incident surface on the base end side of the second light guide , guide the second light toward the tip side of the second light guide, and the second light reflected by the plurality of reflection cuts provided on the back side of the second light guide; to the outside from the front side of the second light guide, thereby causing a second light emitting unit provided on the front side of the second light guide to emit light;
a light blocking second extension at least partially positioned between said first light guide and said second light guide ;
an incident surface of the second light source and the second light guide is located on the back side of the second extension and is covered with the second extension;
By arranging a portion of the back surface on the tip side of the first light guide and the front surface of the second light guide directly facing each other, the first light emitting unit and the second light guide are arranged to face each other. An overlapping light emitting portion is provided in which two light emitting portions are overlapped and both the first light emitted from the first light emitting portion and the second light emitted from the second light emitting portion are emitted. and
When the first light source and the second light source are turned on, the second light emitting section, the overlapping light emitting section, and the second extension are sequentially arranged from the tip side of the second light guide. The first light emitting unit located on the back side is located side by side,
The second extension blocks the second light emitted to the outside from the base end side of the overlapping light emitting portion of the second light guide, and the rear surface of the first light guide. A vehicular lamp, characterized in that it blocks the first light emitted from the side to the outside . A step between the first reflecting surface provided with the plurality of reflection cuts and the first reflecting surface on the back side of the first light guide and the back side of the second light guide. a second reflective surface arranged with a portion;
2. The method according to claim 1 , wherein at least part of the light incident on the stepped portion is reflected toward the front side of the first light guide and the front side of the second light guide. Vehicle lighting. the step portion includes an inclined surface connecting between the first reflecting surface and the second reflecting surface;
3. The vehicle lamp according to claim 2 , wherein the first reflecting surface protrudes rearward from the second reflecting surface through the stepped portion . The stepped portion is provided so as to surround the periphery of the first reflecting surface excluding the tip side of the first light guide and the tip side of the second light guide. Item 4. The vehicle lamp according to item 2 or 3 . including a first light source and a first light guide, and allowing the first light emitted from the first light source to enter the inside from the incident surface on the base end side of the first light guide , guiding the first light toward the tip side of the first light guide, and the first light reflected by a plurality of reflection cuts provided on the back side of the first light guide; to the outside from the front side of the first light guide, thereby causing a first light emitting unit provided on the front side of the first light guide to emit light;
including a second light source and a second light guide, and allowing the second light emitted from the second light source to enter the inside from the incident surface on the base end side of the second light guide , guide the second light toward the tip side of the second light guide, and the second light reflected by the plurality of reflection cuts provided on the back side of the second light guide; to the outside from the front side of the second light guide, thereby causing a second light emitting unit provided on the front side of the second light guide to emit light;
a light blocking second extension at least partially positioned between said first light guide and said second light guide;
a bracket to which the first light emitting unit and the second light emitting unit are attached ;
an incident surface of the second light source and the second light guide is located on the back side of the second extension and is covered with the second extension;
The first light emitting section is formed by arranging a portion of the back surface of the distal end side of the first light guide and a part of the front surface of the base end side of the second light guide directly facing each other. and the second light-emitting portion overlap each other, and the overlapping light-emitting portion emits both the first light emitted from the first light-emitting portion and the second light emitted from the second light-emitting portion is provided,
The bracket is provided with mounting portions for fixing the first light source, the first light guide, the second extension, the second light source, and the second light guide, respectively. Along with being
The second light-emitting portion, the overlapping light-emitting portion, and the first light-emitting portion having the second extension positioned on the back side are arranged in order from the tip side of the second light guide. are attached to the respective attachment portions,
The second light guide is fixed to the bracket while being sandwiched between the bracket and the second extension,
The second extension blocks the second light emitted to the outside from the base end side of the overlapping light emitting portion of the second light guide, and the rear surface of the first light guide. A vehicular lamp, characterized in that it blocks the first light emitted from the side to the outside. The first light emitting unit includes a first substrate on which the first light source is mounted,
the second light emitting unit includes a second substrate on which the second light source is mounted;
6. The vehicle according to claim 5 , wherein the first light source and the second light source are fixed by mounting each of the first substrate and the second substrate to the bracket . lamp. The vehicle lamp according to any one of claims 1 to 6, wherein the first light source and the second light source are LEDs emitting light of the same color.

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