Vehicle lamp unit

Abstract

To make light-emitting feeling different along with a luminous color when a lamp unit is functioned as a separate lamp.SOLUTION: A lamp unit (40) is illuminated ahead through an outer lens. The lamp unit includes: first light sources (72a, 72b) installed on the back side of the outer lens; a second light source (76) installed on the back of the outer lens; first transparent materials (73a, 73b) guiding the light from the first light source to the outer lens; and a second transparent material (78) guiding the light from the second light source to the outer lens. The second transparent material overlaps with the first transparent material from the front in surface view and a part of the light from the first transparent material permeates the second transparent material and is guided to the outer lens.SELECTED DRAWING: Figure 4

Description

Technical Field

[0001] The present invention relates to For vehicles a lamp unit. Background Art

[0002] In conventional vehicles, position lamps and turn signal lamps are formed as separate components. Even when a position lamp and a turn signal lamp are integrated, the light-emitting surfaces of the outer lens are formed separately, resulting in an increased size of the lamp unit. For this reason, a lamp unit has been proposed that incorporates two-color LED (Light Emitting Diode) light sources and shares a common light-emitting surface on the outer lens (see, for example, Patent Document 1). The lamp unit described in Patent Document 1 functions as a plurality of types of lamps by selectively causing the two-color LED light sources to emit light. Prior Art Literature Patent Literature

[0003] Patent Document 1 Japanese Unexamined Patent Application Publication No. 2012-119277 Summary of the Invention Problem to be Solved by the Invention

[0004] However, when the lamp unit described in Patent Document 1 is caused to function as separate lamps, even if there is a difference in luminous color, the light-emitting feeling such as light spread and light-emitting range becomes similar.

[0005] The present invention has been made in view of the foregoing, and an object thereof is to provide For vehicles a lamp unit capable of making the light-emitting feeling different along with the luminous color when functioning as separate lamps. Means for Solving the Problem

[0006] According to one aspect of the present invention,[ For vehicles The lamp unit illuminates the area in front through the outer lens. For vehicles A lamp unit comprising a first light source installed on the back of the outer lens, a second light source installed on the back of the outer lens, and a light source that directs the light from the first light source to the outer lens. Reflecting reflector The light from the second light source is directed to the outer lens. Light guide rod The above is provided in front view light guide rod The above reflector It overlaps from the front, the aforementioned light guide rod outward reflector It protrudes, as mentioned above reflector A portion of the light from the above light guide rod It passes through and is guided to the outer lens. The outer lens is formed in a stepped shape by a forward-bulging light-emitting surface and a flat surface surrounding the light-emitting surface, the first light source substrate of the first light source is housed on the back side of the flat surface, the light-emitting surface is exposed from the cowl of the vehicle body, the flat surface is covered by the cowl from the front, the light guide rod is installed closer to the front of the light-emitting surface, the light guide rod overlaps the first light source substrate from the diagonal front, and the exposed area of ​​the first light source substrate is narrowed. This solves the above problem. [Effects of the Invention]

[0007] One aspect of the present invention For vehicles According to the lamp unit, reflector and light guide rod By stacking these elements and using a common outer lens for both the first and second light sources, the lamp unit can be miniaturized. Furthermore, light guide rod from reflector Not only the part that protrudes outward, light guide rod to reflector The overlapping portion also guides light from the first light source to the outer lens. Therefore, when the first light source emits light, it is illuminated over a wide area by the lamp unit. Also, near the outer lens, light from the second light source is light guide rod The light is then guided to the outer lens. Therefore, when the second light source is emitted, the lamp unit illuminates a narrow area. In this way, the visibility of the lamp light can be improved by making the luminescence feel different when the first light source is emitted and when the second light source is emitted. [Brief explanation of the drawing]

[0008] [Figure 1] This is a left side view of the saddle-type vehicle in this embodiment. [Figure 2] This is a front view of the front of the vehicle in this embodiment. [Figure 3] This is a front view of the lamp unit used in this process. [Figure 4] This is a front view of the lamp unit with the outer lens removed in this embodiment. [Figure 5] Figure 4 is a cross-sectional view of the lamp unit cut along line AA. [Figure 6] This figure shows the illumination state when the lamp unit of this embodiment functions as a turn signal lamp. [Figure 7] This figure shows the illumination state when the lamp unit of this embodiment functions as a position lamp. [Modes for carrying out the invention]

[0009] A lamp unit according to one aspect of the present invention illuminates the area in front through an outer lens. First and second light sources are installed on the back side of the outer lens of the lamp unit. Light from the first light source is guided to the outer lens by a first light guide, and light from the second light source is guided to the outer lens by a second light guide. In a front view, the second light guide is superimposed on the first light guide from the front. Even though the first and second light guides are superimposed, a portion of the light from the first light guide passes through the second light guide and is guided to the outer lens. As a result, a common outer lens is used for both the first and second light sources, enabling miniaturization of the lamp unit. In addition, light is guided to the outer lens by the second light guide near the outer lens. Therefore, visibility from the inside can be improved. In this way, the visibility of the lamp light can be improved by making the light emission feeling different when the first light source emits light and when the second light source emits light. [Examples]

[0010] The following description of the saddle-type vehicle equipped with the ramp unit of this embodiment will be given with reference to the attached drawings. Figure 1 is a left side view of the saddle-type vehicle of this embodiment. In the following figures, arrow FR indicates the front of the vehicle, arrow RE indicates the rear of the vehicle, arrow L indicates the left side of the vehicle, and arrow R indicates the right side of the vehicle.

[0011] As shown in FIG. 1, a straddle-type vehicle 1 is configured by mounting various components such as an engine 14 and an electrical system on a twin-spar vehicle body frame 10. The vehicle body frame 10 has a pair of main frames 11 branching left and right from a head pipe (not shown) and extending rearward, and a pair of down frames (not shown) branching left and right from the head pipe and extending downward. The pair of main frames 11 are curved so as to pass above the engine 14 and wrap around to the rear of the engine 14. The upper side and rear side of the engine 14 are suspended by the pair of main frames 11, and the front side of the engine 14 is suspended by the pair of down frames.

[0012] The front portion of the main frame 11 forms a tank rail 12 positioned above the engine 14, and a fuel tank 15 is supported by the tank rail 12. The rear portion of the main frame 11 forms a body frame 13 positioned behind the engine 14, and a swing arm 26 is swingably supported at a substantially intermediate position in the vertical direction of the body frame 13. A seat rail (not shown) and a back stay extend rearward from an upper portion of the body frame 13. A rider seat 17 and a pillion seat 18 are supported on the seat rail behind the fuel tank 15.

[0013] A pair of front forks 21 are steerably supported on the head pipe via a steering shaft (not shown). A front wheel 22 is rotatably supported at a lower portion of the front forks 21, and an upper portion of the front wheel 22 is covered by a front fender 24. The swing arm 26 extends rearward from the body frame 13. A rear wheel 27 is rotatably supported at a rear end of the swing arm 26, and an upper portion of the rear wheel 27 is covered by a rear fender 28. The engine 14 is connected to the rear wheel 27 via a chain-drive transmission mechanism, and power from the engine 14 is transmitted to the rear wheel 27 via the transmission mechanism.

[0014] The saddle-type vehicle 1 is covered with various covers as exterior bodywork. For example, the front of the vehicle is covered by a front cowl 31, and the sides of the front of the vehicle are covered by a pair of side cowls 32. A screen 33 is provided on the top of the front cowl 31, and a headlamp 34 is exposed from the front of the front cowl 31. On both the left and right sides of the headlamp 34, there is a pair of lamp units 40 that function as turn signal lamps and position lamps. These exterior bodywork and lamps form a streamlined shape that reduces air resistance from the wind while driving.

[0015] In the lamp unit 40, the light from the turn signal lamp and the light from the position lamp can be distinguished by the difference in the emitted color, but further improvement in distinguishability is required by differences in the light emission feel, such as the spread and intensity of the light. Therefore, in the lamp unit 40 of this embodiment, the light guide paths for the turn signal lamp and the position lamp are different. When the lamp unit 40 functions as a turn signal lamp, a wide area is illuminated, and when the lamp unit 40 functions as a position lamp, a narrow area is illuminated, making the difference in light emission feel clear.

[0016] The lamp unit of this embodiment will be described below with reference to Figure 2. Figure 2 is a front view of the front of the vehicle of this embodiment. Figure 3 is a front view of the lamp unit of this embodiment. Figure 4 is a front view of the lamp unit of this embodiment with the outer lens removed. Figure 5 is a cross-sectional view of the lamp unit of Figure 4 cut along line AA. Note that in Figure 4, for the sake of explanation, the light-emitting surface of the outer lens is shown by a dashed line.

[0017] As shown in Figure 2, a windscreen 33 is provided on the upper part of the front cowl 31, and a pair of side cowls 32 are provided on the left and right edges of the front cowl 31 to cover the sides of the front forks 21. The front cowl 31 is formed to cover the base end of the screen 33 and to cover the area around the central headlamp 34. A pair of lamp units 40 and a pair of openings 35 are provided between the front cowl 31 and the pair of side cowls 32. In a front view, the lamp unit 40 extends diagonally upward from the inside in the vehicle width direction to the outside in the vehicle width direction, and in a side view (see Figure 1), it extends diagonally upward from the front of the vehicle to the rear of the vehicle.

[0018] As shown in Figure 3, the lamp unit 40 is configured such that an outer lens 51 is mounted on the front opening of the housing 41 (see Figure 4), and the lamp unit 40 illuminates the area in front through the outer lens 51. Three fixing parts 42 protrude from the outer edge of the housing 41, and the lamp unit 40 is fixed to the vehicle body via these fixing parts 42. The outer lens 51 is formed in a stepped shape by a forward-bulging light-emitting surface 56 and a flat surface 57 surrounding the light-emitting surface 56. The light-emitting surface 56 of the outer lens 51 is exposed from the cowl, and the flat surface 57 of the outer lens 51 is covered from the outside by the cowl together with the housing 41.

[0019] The light-emitting surface 56 of the outer lens 51 is formed in a mountain shape, with the ridge line 61 of the light-emitting surface 56 extending inward in the vehicle width direction from the upper vertex 62 to the lower vertex 63. The outer edge 64 of the light-emitting surface 56 in the vehicle width direction curves in an arc from the upper vertex 62 towards the lower vertex 63. The inner edge 65 of the light-emitting surface 56 in the vehicle width direction slopes inward in the vehicle width direction from the upper vertex 62 downwards, and then extends approximately downwards towards the lower vertex 63. The ridge line 61 of the light-emitting surface 56 is close to the outer edge 64 in the vehicle width direction, and the slope of the light-emitting surface 56 on the outside in the vehicle width direction is greater than the slope of the light-emitting surface 56 on the inside in the vehicle width direction, with the ridge line 61 in between.

[0020] As shown in Figure 4, the housing 41 of the lamp unit 40 has first light source substrates 71a and 71b installed along the outer edge 64 in the vehicle width direction of the light-emitting surface 56, and a second light source substrate 75 installed near the upper vertex 62 of the light-emitting surface 56. The first light sources 72a and 72b of the first light source substrates 71a and 71b function as light sources for turn signal lamps that illuminate when the vehicle changes lanes or turns left or right, and in this embodiment, amber LEDs are used for the first light sources 72a and 72b. The second light source 76 of the second light source substrate 75 functions as a light source for position lamps that illuminate while driving, and in this embodiment, a white LED is used for the second light source 76.

[0021] Furthermore, in the housing 41 of the lamp unit 40, reflectors (first light guides) 73a and 73b are installed on the inside in the vehicle width direction of the first light source substrates 71a and 71b, and a transparent light guide rod (second light guide) 78 is installed extending from the second light source substrate 75 to the mounting substrate 77 on the underside of the lamp. The reflectors 73a and 73b are installed on the back side of the light-emitting surface 56, and the amber light from the first light sources 72a and 72b is reflected toward the light-emitting surface 56 by the reflectors 73a and 73b. The light guide rod 78 is installed closer to the outside in the vehicle width direction of the light-emitting surface 56, and the white light from the second light source 76 is emitted toward the light-emitting surface 56 by the light guide rod 78.

[0022] In a front view, the light guide rod 78 overlaps the reflectors 73a and 73b from the front, with the reflectors 73a and 73b protruding inward (outward) from the light guide rod 78 in the vehicle width direction. At this time, some of the amber light from the reflectors 73a and 73b passes through the light guide rod 78 and is guided to the outer lens 51, so that even though the light guide rod 78 and the reflectors 73a and 73b overlap, the amber light is not blocked by the light guide rod 78. For this reason, the illumination range of the amber light is wider than that of the white light.

[0023] Thus, when the first light sources 72a and 72b are illuminated (when the turn signal lamps are lit), amber light is emitted from the entire light-emitting surface 56. When the second light source 76 is illuminated (when the position lamps are lit), white light is emitted partially from the outer side of the light-emitting surface 56 in the vehicle width direction. By switching the illumination of the light sources, the lamp unit 40 functions as both a turn signal lamp and a position lamp. Furthermore, the first light sources 72a and 72b and the second light source 76 are installed on the back side of the outer lens 51, and a common outer lens 51 is used for both the turn signal lamps and the position lamps, thereby miniaturizing the lamp unit 40.

[0024] As shown in Figure 5, the outer edge of the housing 41 is flanged, and an annular recess 44 is formed in the flange 43 of the housing 41. The outer edge of the outer lens 51 is also flanged, and an annular protrusion 54 is formed in the flange 53 of the outer lens 51. The annular protrusion 54 of the outer lens 51 fits into the annular recess 44 of the housing 41, and adhesive is filled into the gap between the annular recess 44 and the annular protrusion 54, so that the outer edge of the outer lens 51 is bonded to the outer edge of the housing 41 around its entire circumference. In this way, the outer lens 51 is attached to the housing 41, and the lamp chamber 59 of the lamp unit 40 is formed.

[0025] The outer side of the light-emitting surface 56 of the outer lens 51 in the vehicle width direction is formed in a stepped shape by a flat surface 57 and a flange 53. The first light source substrate 71a is housed on the back side of the preceding flat surface 57, and the surface of the first light source substrate 71a is oriented inward in the vehicle width direction. As described above, the flat surface 57 is covered from the front by the side cowl 32 (see Figure 2), so the first light source substrate 71a (first light source 72a) is not easily visible from the front. A reflector 73a is installed on the inner side of the first light source substrate 71a in the vehicle width direction. The reflective surface 74a of the reflector 73a is formed in a parabolic shape so as to direct the amber light from the first light source 72a towards the light-emitting surface 56.

[0026] A light guide rod 78 is installed in front of the reflector 73a, near the light-emitting surface 56. Fine reflective grooves (not shown) are formed on the back surface 81 of the light guide rod 78 to direct the white light inside the light guide rod 78 towards the light-emitting surface 56. In addition, the back surface 81 of the light guide rod 78 is formed to allow some of the amber light reflected from the reflector 73a to pass through. As a result, the reflected light from the reflector 73a is not easily blocked by the light guide rod 78. The light guide rod 78 overlaps the first light source substrate 71a from the front at an oblique angle, narrowing the exposed area of ​​the first light source substrate 71a, making the first light source substrate 71a (first light source 72a) less conspicuous and improving the appearance of the lamp unit 40.

[0027] The illumination state of the lamp unit will be described with reference to Figures 6 and 7. Figure 6 shows the illumination state when the lamp unit of this embodiment functions as a turn signal lamp. Figure 7 shows the illumination state when the lamp unit of this embodiment functions as a position lamp. Figures 6(A) and 7(A) show the illumination state as viewed from the front, and Figures 6(B) and 7(B) show the illumination state as viewed from a cross-section.

[0028] As shown in Figures 6(A) and (B), when the lamp unit 40 is lit as a turn signal lamp, amber light is emitted from the first light sources 72a and 72b to the reflectors 73a and 73b from the side. The amber light is reflected by the reflective surfaces 74a and 74b of the reflectors 73a and 73b toward the light-emitting surface 56 of the outer lens 51. Most of the reflectors 73a and 73b protrude inward from the light guide rod 78 in the vehicle width direction, and the reflected light from the protruding portions of the reflectors 73a and 73b is emitted directly toward the light-emitting surface 56. The reflected light from the portion of the reflectors 73a and 73b that overlaps with the light guide rod 78 passes through the light guide rod 78 and is emitted toward the light-emitting surface 56.

[0029] Therefore, the amber light from the first light sources 72a and 72b illuminates the entire light-emitting surface 56 of the outer lens 51. At this time, the reflectors 73a and 73b are separated from the light-emitting surface 56, and the amber light is reflected by the reflectors 73a and 73b toward the entire light-emitting surface 56, so that the light-emitting surface 56 is uniformly and gently illuminated from the back by the amber light. When the lamp unit 40 functions as a turn signal lamp, the light-emitting surface 56 lights up in amber, and a luminous feeling is obtained in which amber light is emitted from the light-emitting surface 56 over a wide area.

[0030] As shown in Figures 7(A) and (B), when the lamp unit 40 is lit as a position lamp, white light is incident on the light guide rod 78 from the second light source 76. The light guide rod 78 extends along the outer edge 64 in the vehicle width direction of the light-emitting surface 56, and the white light travels downward from the second light source 76 through the light guide rod 78, undergoing repeated total internal reflection. Since a reflective groove is formed on the back surface 81 of the light guide rod 78, some of the white light reflected from the back surface 81 of the light guide rod 78 is transmitted through the front surface 82 of the light guide rod 78. White light is extracted along the entire length of the light guide rod 78 and emitted from the entire length of the light guide rod 78 toward the light-emitting surface 56 of the outer lens 51.

[0031] Therefore, the light-emitting surface 56 of the outer lens 51 is partially illuminated by the white light from the second light source 76. At this time, the light guide rod 78 is brought close to the light-emitting surface 56, and the white light is emitted by the light guide rod 78 toward the outside in the vehicle width direction of the light-emitting surface 56, so the light-emitting surface 56 is partially illuminated from the back by the white light. When the lamp unit 40 functions as a position lamp, the light-emitting surface 56 lights up in white, and a luminous feeling is obtained in which white light is emitted from the light-emitting surface 56 over a narrow area. In this way, the luminous feeling is significantly different between amber light and white light.

[0032] As described above, the light-emitting surface 56 of the lamp unit 40 is exposed from the front cowl 31 (see Figure 2), and the front cowl 31 protrudes forward toward the center in the width direction of the vehicle. Since the light guide rod 78 is positioned closer to the front of the light-emitting surface 56, near the outer lens 51, it emits light closer to the front of the outer lens 51 even when the first light sources 72a and 72b are lit (when the turn signal lamps are lit) and when the second light source 76 is lit (when the position lamps are lit). Therefore, even though the front cowl 31 protrudes forward on the inside of the light-emitting surface 56 in the width direction of the vehicle, the light from the light-emitting surface 56 is less likely to be blocked by the front cowl 31, improving the visibility of the turn signal lamps and position lamps from the inside in the width direction of the vehicle.

[0033] As described above, in the lamp unit 40 of this embodiment, the reflectors 73a and 73b and the light guide rod 78 are stacked, and a common outer lens 51 is used for both the turn signal lamp and the position lamp, thereby achieving miniaturization of the lamp unit 40. Furthermore, amber light is guided to the outer lens 51 not only by the portion where the reflectors 73a and 73b protrude outward from the light guide rod 78, but also by the portion where the reflectors 73a and 73b overlap the light guide rod 78. Therefore, when the turn signal lamp is lit, a wide area is illuminated by the lamp unit 40. Also, near the outer lens 51, white light is guided to the outer lens 51 by the light guide rod 78. Therefore, when the position lamp is lit, a narrow area of ​​the lamp unit 40 is illuminated. In this way, the visibility of the lamp light can be improved by making the light emission feeling of the turn signal lamp and the position lamp different.

[0034] In this embodiment, the lamp unit functions as a front turn signal lamp and a front position lamp, but it may also function as a rear turn signal lamp and a rear position lamp. In this case, an amber LED may be used as the first light source, and a red LED may be used as the second light source.

[0035] Furthermore, in this embodiment, amber light reflected from the reflector is incident on the back surface of the light guide rod, but an additional amber light source may be added so that amber light is incident from the end of the light guide rod. Even with such a configuration, the light guide rod can be illuminated in amber when the turn signal is turned on.

[0036] Furthermore, although a reflector was exemplified as the first light guide in this embodiment, the first light guide can be any light source that guides light from the first light source to the outer lens. For example, the first light guide may be composed of a light guide plate or the like.

[0037] Furthermore, although a light guide rod was exemplified as the second light guide in this embodiment, the second light guide can be any light that guides light from the second light source to the outer lens. For example, the second light guide may be composed of a light guide plate or the like.

[0038] Furthermore, in this embodiment, the light guide rod is installed towards the outer side of the vehicle width direction of the light-emitting surface, but the light guide rod can be installed in any way as long as it overlaps the reflector from the front.

[0039] Furthermore, the lamp unit of this embodiment may be used not only in the saddle-type vehicle described above, but also in other vehicles such as four-wheeled automobiles. Note that the term "saddle-type vehicle" is not limited to all vehicles in which the driver sits straddling a seat, but also includes scooter-type vehicles in which the driver does not straddle a seat.

[0040] As described above, the lamp unit (40) is a lamp unit that illuminates the area in front through an outer lens (51), and comprises a first light source (72a, 72b) installed on the back of the outer lens, a second light source (76) installed on the back of the outer lens, a first light guide (reflector 73a, 73b) that guides light from the first light source to the outer lens, and a second light guide (light guide rod 78) that guides light from the second light source to the outer lens. In a front view, the second light guide overlaps the first light guide from the front, and the first light guide protrudes outward from the second light guide, and a portion of the light from the first light guide passes through the second light guide and is guided to the outer lens. With this configuration, the lamp unit is miniaturized by overlapping the first and second light guides and using a common outer lens for the first and second light sources. Furthermore, light from the first light source is guided to the outer lens not only by the portion of the first light guide that extends outward from the second light guide, but also by the portion where the first light guide overlaps with the second light guide. Therefore, when the first light source is emitted, it is illuminated over a wide area by the lamp unit. Also, near the outer lens, light from the second light source is guided to the outer lens by the second light guide. Therefore, when the second light source is emitted, it is illuminated over a narrow area by the lamp unit. In this way, the visibility of the lamp light can be improved by making the emission feeling different when the first light source is emitted and when the second light source is emitted.

[0041] In the lamp unit, the light-emitting surface (56) of the outer lens is exposed from the cowl (front cowl 31) of the vehicle body, and the second light guide is positioned towards the front of the light-emitting surface. With this configuration, even if the cowl of the vehicle body protrudes forward toward the center, the light from the first light guide is less likely to be blocked by the cowl, improving the visibility of the lamp light.

[0042] In the lamp unit, the second light guide overlaps the first light source from the front, narrowing the exposed area of ​​the first light source. This configuration makes the first light source less conspicuous, improving the appearance of the lamp unit.

[0043] In the lamp unit, the first light guide is a reflector that reflects light from the first light source to the outer lens, and the second light guide is a light guide rod that emits light from the second light source to the outer lens. With this configuration, the light emission feeling of the lamp unit can be made different by using the reflector and the light guide rod.

[0044] In this lamp unit, the first light source functions as the light source for the turn signal lamp, and the second light source functions as the light source for the position lamp. With this configuration, the position lamps serve to inform the surroundings of the vehicle's presence, and like the turn signal lamps, it is effective to install them on both the left and right sides of the vehicle. Therefore, the functions of both the turn signal lamp and the position lamp can be combined.

[0045] Although this embodiment has been described, other embodiments may include combinations of the above embodiment and its modifications, either entirely or partially.

[0046] Furthermore, the technology of the present invention is not limited to the embodiments described above, and may be modified, substituted, or transformed in various ways without departing from the spirit of the technical idea. Moreover, if the technical idea can be realized in a different way by advances in the technology or by other derived technologies, it may be implemented by that method. Accordingly, the claims cover all embodiments that may fall within the scope of the technical idea. [Explanation of Symbols]

[0047] 1: Saddle-type vehicle 14: Engine 31: Front cowl (cowl) 32: Side cowl (cowl) 40: Lamp Unit 51: Outer lens 56: Light-emitting surface 64: Mountain edge (outer edge of the light-emitting surface) 72a: First light source 72b: First light source 73a: Reflector (first light guide) 73b: Reflector (first light guide) 76: The second light source 78: Light guide rod (second light guide)

Claims

1. A vehicle lamp unit that illuminates the area in front through an outer lens, A first light source is installed on the back side of the outer lens, A second light source is installed on the back side of the outer lens, A reflector that reflects light from the first light source onto the outer lens, The device comprises a light guide rod that directs light from the second light source to the outer lens, In a front view, the light guide rod overlaps the reflector from the front, and the reflector protrudes outward from the light guide rod. A portion of the light from the reflector passes through the light guide rod and is directed to the outer lens. The outer lens is formed in a stepped shape by a forward-bulging light-emitting surface and a flat surface surrounding the light-emitting surface, and the first light source substrate of the first light source is housed on the back side of the flat surface. The light-emitting surface is exposed from the cowl of the vehicle body, and the flat surface is covered by the cowl from the front. A vehicle lamp unit characterized in that the light guide rod is installed towards the front of the light-emitting surface, the light guide rod overlaps the first light source substrate from the front at an oblique angle, and the exposed range of the first light source substrate is narrowed.

2. The vehicle lamp unit according to claim 1, characterized in that the light guide rod overlaps the first light source from the front, and the exposure range of the first light source is narrowed.

3. The vehicle lamp unit according to claim 1 or 2, characterized in that the first light source functions as a light source for the vehicle's turn signal lamps, and the second light source functions as a light source for the vehicle's position lamps.

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