Marking lights

Abstract

To provide a marker light that satisfies laws and regulations and can provide an aesthetic appearance different from the conventional arts.SOLUTION: A plurality of light emitting elements 104 is arranged side by side on a substrate 102. A diffusion material 110 is provided so as to cover a part 152 of the plurality of light emitting elements 104. In a marker lamp 100, a first portion 152 provided with the diffusion material 110 emits light relatively uniformly, and a second portion 154 not provided with the diffusion material 110 emits light relatively non-uniformly.SELECTED DRAWING: Figure 1

Description

[Technical Field]

[0001] The present disclosure relates to a vehicle lamp used in an automobile or the like, and more particularly to a marker lamp. [Background technology]

[0002] Automobiles are equipped with marker lights, such as taillights and turn signals, to provide information to surrounding traffic. Because marker lights are equipment that is directly related to safety, their installation location, light intensity, and light distribution are regulated by law. [Prior art documents] [Patent documents]

[0003] [Patent Document 1] JP 2016-12460 A Summary of the Invention [Problem to be solved by the invention]

[0004] Signal lights are equipment that contributes to safety, but they also have a significant impact on the design of a vehicle. Their shape and light emission pattern have a significant impact not only on the signal light itself, but also on the aesthetics of the entire vehicle.

[0005] The present disclosure has been made in this context, and one exemplary purpose of an embodiment thereof is to provide a marker lamp that can provide an aesthetic appearance different from conventional marker lamps while satisfying regulations. [Means for solving the problem]

[0006] One aspect of the present disclosure relates to a marker lamp. The marker lamp includes a plurality of semiconductor light-emitting elements arranged side by side on a substrate, and a diffusing material provided to cover some of the semiconductor light-emitting elements. A first portion provided with the diffusing material emits light relatively uniformly, while a second portion not provided with the diffusing material emits light relatively non-uniformly.

[0007] Any combination of the above elements, or mutual substitution of elements or expressions between methods, devices, systems, etc., are also valid aspects of the present invention or the present disclosure. Furthermore, the description in this section (Means for Solving the Problems) does not explain all essential features of the present invention, and therefore, subcombinations of the described features may also constitute the present invention. [Effects of the Invention]

[0008] According to certain aspects of the present disclosure, it is possible to provide an aesthetically different appearance from the conventional one while complying with regulations. [Brief explanation of the drawings]

[0009] [Figure 1] FIG. 1 is an exploded perspective view of a marker lamp according to a first embodiment. [Figure 2] 2 is a diagram schematically illustrating a lighting state of the marker lamp of FIG. 1. FIG. [Figure 3] 2 is a diagram schematically showing light rays when the marker lamp of FIG. 1 is turned on; FIG. [Figure 4] FIG. 10 is a cross-sectional view of a marker lamp according to a comparative technique. [Figure 5] 5 is a diagram showing the light distribution characteristics in the left-right direction of the marker lamp according to the first embodiment and the marker lamp of FIG. 4. [Figure 6] FIG. 10 is a diagram showing a marker lamp according to a second embodiment. [Figure 7] 7 is a diagram schematically illustrating a lighting state of the marker lamp of FIG. 6. FIG. [Figure 8] 7 is a diagram schematically showing light rays when the marker lamp of FIG. 6 is turned on. FIG. [Figure 9] FIG. 7 is a diagram showing the light distribution characteristics in the left-right direction of the marker lamp of FIG. 6. [Figure 10] 10(a) and 10(b) are diagrams showing specific configuration examples of marker lights. [Figure 11] 11(a) and 11(b) are diagrams showing modified examples of the optical member. [Figure 12] FIG. 10 is an exploded perspective view of a marker lamp according to a third embodiment. [Figure 13]13(a) to 13(l) are diagrams showing other examples of non-lens elements that are optical steps. [Figure 14] FIG. 10 is an exploded perspective view of a marker lamp according to a fourth embodiment. [Figure 15] FIG. 10 is an exploded perspective view of a marker lamp according to a fifth embodiment. [Figure 16] FIG. 10 is an exploded perspective view of a marker lamp according to a sixth embodiment. DETAILED DESCRIPTION OF THE INVENTION

[0010] (Outline of the embodiment) A summary of some exemplary embodiments of the present disclosure is provided. This summary is intended to provide a simplified overview of some concepts of one or more embodiments in order to provide a basic understanding of the embodiments as a prelude to the more detailed description that follows. It is not intended to limit the scope of the invention or disclosure. Furthermore, this summary is not an exhaustive overview of all possible embodiments, nor does it limit essential elements of the embodiments. For convenience, the term "one embodiment" may refer to one embodiment (example or variant) or multiple embodiments (examples or variants) disclosed herein.

[0011] A marker lamp according to one embodiment includes a plurality of semiconductor light-emitting elements arranged side by side on a substrate, and a diffusing material provided to cover a portion of the plurality of semiconductor light-emitting elements. A first portion provided with the diffusing material emits light relatively uniformly, and a second portion not provided with the diffusing material emits light relatively non-uniformly.

[0012] "Emitting light relatively non-uniformly" can be understood as, for example, "emitting light in a manner in which the individual semiconductor light-emitting elements are distinguishable," and "emitting light relatively uniformly" can be understood as "emitting light in a manner in which the individual semiconductor light-emitting elements are indistinguishable." With this configuration, it is possible to mix a region in which the semiconductor light-emitting elements emit light in a granular manner (second portion) with a region in which the semiconductor light-emitting elements emit light uniformly over a wide area (first portion), thereby providing an aesthetic appearance different from conventional ones.

[0013] Furthermore, with regard to light distribution, the light distribution standard for signal lamps requires a high luminous intensity value in the center. However, if all light-emitting elements are covered with a diffusing material, the light will spread horizontally and vertically, reducing the luminous intensity in the center, making it difficult to meet the light distribution standard. With this configuration, the light emitted from the semiconductor light-emitting elements in the second portion reaches the screen without being diffused, thereby increasing the luminous intensity in that portion. Therefore, by optimizing the area (proportion) and position of the second portion, a signal lamp that meets the light distribution standard can be realized.

[0014] In one embodiment, the marker lamp may further include an optical member provided to cover second portions of the plurality of semiconductor light emitting elements. The optical member may include a plurality of optical elements provided at a plurality of positions corresponding to the plurality of light emitting elements.

[0015] In one embodiment, the optical member may be a part of a cover that entirely covers the semiconductor light emitting elements, thereby reducing manufacturing costs.

[0016] In one embodiment, the optical element may be a lens element, which can control the directionality of the light emitted from the first light-emitting element.

[0017] In one embodiment, the optical element may be a non-lens element, which can change the appearance of the light emitted from the first light-emitting element without significantly affecting the light distribution characteristics, thereby providing a novel aesthetic appearance.

[0018] In one embodiment, the plurality of semiconductor light emitting elements may include a plurality of first light emitting elements that emit light in a first color and a plurality of second light emitting elements that emit light in a second color.

[0019] In one embodiment, the plurality of optical elements may include a plurality of first optical elements provided at a plurality of locations corresponding to the plurality of first light-emitting elements. The first optical elements may be lens elements or non-lens elements.

[0020] In one embodiment, the plurality of optical elements may further include a plurality of second optical elements provided at a plurality of locations corresponding to the plurality of second light-emitting elements. The first optical element and the second optical element may have different structures.

[0021] In one embodiment, the first optical element may be a lens element, and the second optical element may be a non-lens element. In one embodiment, the first optical element may be a lens element with a first structure, and the second optical element may be a lens element with a second structure. In one embodiment, one lens element may be a concave lens and the other a convex lens, or they may be lenses of the same type but with different focal lengths. In one embodiment, the first optical element and the second optical element may be non-lens elements with different shapes or structures.

[0022] In one embodiment, the first color is amber and the marker light may function as a turn signal light.

[0023] In one embodiment, the second color is red and the marker light may also function as a tail lamp.

[0024] (Embodiment) The present disclosure will be described below based on preferred embodiments with reference to the drawings. The same or equivalent components, parts, and processes shown in each drawing are designated by the same reference numerals, and redundant descriptions will be omitted where appropriate. Furthermore, the embodiments are illustrative and do not limit the disclosure, and all features and combinations thereof described in the embodiments are not necessarily essential to the disclosure.

[0025] In this specification, "a state in which component A is connected to component B" includes not only a case in which component A and component B are directly physically connected to each other, but also a case in which component A and component B are indirectly connected to each other via other components that do not substantially affect the electrical connection between them or that do not impair the function or effect achieved by their connection.

[0026] Similarly, "a state in which component C is provided between component A and component B" includes not only cases in which components A and C, or components B and C, are directly connected, but also cases in which they are indirectly connected via other components that do not substantially affect the electrical connection state between them or impair the functions or effects achieved by their combination.

[0027] (Embodiment 1) 1 is an exploded perspective view of a marker light 100 according to embodiment 1. In this embodiment, the marker light 100 has a single function. In this example, the marker light 100 has the function of a turn signal lamp.

[0028] The marker light 100 includes a substrate 102, a plurality of semiconductor light-emitting elements (hereinafter simply referred to as light-emitting elements) 104, and a diffusing material 110. The plurality of light-emitting elements 104 are arranged side by side on the substrate 102. In this example, the substrate 102 is rectangular, and the plurality of light-emitting elements 104 are regularly arranged at substantially equal intervals within a rectangular light-emitting area 150 on the substrate 102. The light-emitting elements 104 are preferably light-emitting diodes (LEDs), but laser diodes (LDs) or organic electroluminescence (EL) elements can also be used. The color of the light-emitting elements 104 is selected depending on the function of the marker light 100; for a turn signal lamp, amber light-emitting elements are used. The marker light 100 in FIG. 1 further includes a lighting circuit for the light-emitting elements 104, a housing for accommodating the substrate 102, a lens cover, and the like, but these are not shown here.

[0029] The diffusing material 110 is provided so as to cover a portion of the plurality of light-emitting elements 104. In this example, the light-emitting region 150 is divided into a lower first region (also referred to as a first portion) 152 and an upper second region (also referred to as a second portion) 154, and the diffusing material 110 is provided so as to cover the first region 152.

[0030] The above is the configuration of the marker lamp 100.

[0031] Figure 2 is a diagram showing a typical lighting state of the marker lamp 100 of Figure 1. In this marker lamp 100, in the first portion 160 where the diffusing material 110 is provided, the light emitted by the light emitting elements 104 is diffused within the diffusing material 110, making it impossible or difficult to distinguish the individual light emitting elements 104, and therefore the light appears to be emitted relatively uniformly.

[0032] On the other hand, in the second portion 162 where the diffusing material 110 is not provided, the light emitted by the light emitting elements 104 is emitted from the marker lamp 100 without being diffused by the diffusing material 110. Therefore, in the second portion 162, the individual light emitting elements 104 appear to emit light in a distinguishable manner.

[0033] In this way, the marker lamp 100 has areas where the multiple light-emitting elements 104 appear to emit light uniformly over a wide area as a single unit, and areas where the multiple light-emitting elements 104 appear to emit light independently, thereby presenting an aesthetic appearance that is different from conventional ones.

[0034] FIG. 3 is a diagram illustrating a light beam when the marker lamp 100 of FIG. 1 is turned on. FIG. 3 illustrates the marker lamp 100 as viewed from the side. The light emitted from the light-emitting element 104a in the first portion 160 is diffused by the diffusing material 110, losing its directivity and being emitted widely in the vertical and horizontal directions. On the other hand, the light emitted from the light-emitting element 104b in the second portion 162 is not diffused by the diffusing material 110 and is emitted while maintaining the original directivity of the light-emitting element. In other words, the light distribution characteristics of the marker lamp 100 are a combination of the light distribution characteristics of the first portion 160 and the second portion 162. Based on their light emission modes, the first portion 160 can be referred to as a diffused portion or diffused region, and the second portion 162 can be referred to as a directly irradiated portion or direct irradiated region.

[0035] One advantage of the marker light 100 becomes clear when compared with the comparative technology. FIG. 4 is a cross-sectional view of a marker light 100R according to the comparative technology. In this marker light 100R, all of the light-emitting elements 104 are covered with a diffusing material 110. This makes the entire marker light 100R appear to emit light uniformly. Furthermore, the light emitted from the diffusing material 110 has low directionality, and is emitted in a wide, vertical and horizontal direction.

[0036] FIG. 5 is a diagram showing the light distribution characteristics in the left-right direction of the marker lamp 100 according to the first embodiment and the marker lamp 100R shown in FIG. 4. FIG. 5 also shows the light distribution standard, which requires a luminous intensity greater than the standard. In the comparative technology, light is emitted not only in front of the lamp but also in a wide range of directions, up and down and left and right, resulting in a low luminous intensity near the center and below the standard. In contrast, in this embodiment, the light emitted from the second portion 162 maintains the directivity of the original light-emitting element, allowing for strong illumination near the center of the light distribution. This allows for the formation of a light distribution pattern that meets the light distribution standard.

[0037] (Embodiment 2) 6 is a diagram showing a marker lamp 100A according to embodiment 2. The marker lamp 100A includes an optical member 120A. The optical member 120A is provided so as to cover second portions of the plurality of semiconductor light emitting elements 104 included in the second region 154.

[0038] The optical member 120A is formed with a plurality of optical steps 122. The plurality of optical steps 122 are a plurality of optical elements that are repeatedly formed on a plane.

[0039] The optical steps 122 are provided at a plurality of locations corresponding to the first light-emitting elements 104, and when the marker lamp 100A is viewed from the front, the corresponding optical steps 122 and light-emitting elements 104 overlap each other.

[0040] In this embodiment, the optical step 122 is a lens element (designated by reference numeral 122a) formed in a step shape on the optical member 120A. The lens element 122a may be a convex lens or a concave lens, and may be formed on either surface of the optical member 120A.

[0041] The above is the configuration of the marker lamp 100A. Next, its operation will be described.

[0042] Fig. 7 is a diagram showing a typical lighting state of the marker lamp 100A of Fig. 6. This marker lamp 100 emits light in the first portion 160 where the diffusing material 110 is provided, in the same manner as in the first embodiment (Fig. 2).

[0043] On the other hand, in the second portion 162 where the optical member 120A is provided, the light emitted from the light emitting element 104 has its optical path corrected by the optical step 122 (lens element 122a) on the optical member 120A and is emitted from the marker lamp 100A. Therefore, in the second portion 162, each light emitting element 104 appears to emit light in a distinguishable manner.

[0044] In this way, the marker lamp 100 has areas where the multiple light-emitting elements 104 appear to emit light uniformly over a wide area as a single unit, and areas where the multiple light-emitting elements 104 appear to emit light independently, thereby presenting an aesthetic appearance that is different from conventional ones.

[0045] FIG. 8 is a diagram illustrating light rays when the marker lamp 100A of FIG. 6 is turned on. FIG. 8 illustrates the marker lamp 100A as viewed from the side. The light emitted from the light-emitting element 104a of the first portion 160 is diffused by the diffusing material 110, losing its directivity and being emitted widely in the vertical and horizontal directions. On the other hand, the light emitted from the light-emitting element 104b of the second portion 162 passes through the lens element 122a of the optical member 120A, and its optical path is corrected according to the shape and focal length of the lens element 122a. In the example of FIG. 8, the light emitted from the light-emitting element 104b is partially or completely collimated by the lens element 122a, resulting in more directivity when emitted.

[0046] Fig. 9 is a diagram showing the light distribution characteristics in the left-right direction of the marker lamp 100A of Fig. 6. Fig. 9 also shows the light distribution characteristics of the first embodiment (Fig. 1) and the comparative technology, as well as the light distribution standard. In the second embodiment, the light emitted from the second portion 162 is emitted with even higher directivity than in the first embodiment, and therefore the center of the light distribution can be illuminated even more strongly than in the first embodiment.

[0047] Due to constraints on heat dissipation conditions, it may be necessary to adopt a chip with low brightness as light-emitting element 104, and in such cases, it is conceivable that the light distribution standard may not be satisfied with the configuration of embodiment 1. In such cases, according to embodiment 2, the optical path of the light emitted by light-emitting element 104b can be corrected in accordance with the optical characteristics of optical steps 122 formed in optical member 120A, thereby forming a light distribution pattern that satisfies the light distribution standard.

[0048] 10(a) and (b) are diagrams showing a specific example of the configuration of a marker lamp 100A. The marker lamp 100A in Fig. 10(a) includes a transparent cover 130 that covers the light-emitting element 104 to protect the chip and wiring. The diffusing material 110 and the optical member 120A are provided on the cover 130.

[0049] 10(b), the marker lamp 100A includes a cover 130, similar to that shown in FIG. 10(b). Of this cover 130, the portion included in the second region 154 functions as an optical member 120A, and an optical step 122 is formed in the portion of the cover 130 included in the second region 154.

[0050] 11(a) and 11(b) are diagrams showing modified examples of an optical element 120A. The optical element 120A of FIG. 11(a) has a plurality of fisheye lenses with a step structure (fisheye steps). The optical element 120A of FIG. 11(b) has a plurality of cylindrical lenses with a step structure (cylindrical steps).

[0051] (Embodiment 3) 12 is an exploded perspective view of a marker lamp 100B according to embodiment 3. In embodiment 2, optical member 120A has lens elements 122a formed as optical steps 122, and these lens elements 122a control the light distribution formed by light-emitting elements 104 arranged in second region 154. In contrast, in embodiment 3, optical member 120B is provided not for light distribution but for aesthetic reasons and design.

[0052] The marker lamp 100B includes an optical element 120B instead of the optical element 120A. The optical element 120B has a plurality of non-lens elements 122b formed as optical steps 122 at a plurality of positions corresponding to the plurality of light-emitting elements 104. Light emitted from the light-emitting elements 104 passes through the elements 122b and is then emitted. The light emitted by the light-emitting elements 104 is scattered at the edges of the non-lens elements 122b, producing a sparkling glow.

[0053] FIGS. 13(a) to 13(l) are diagrams showing other examples of non-lens elements 122b, which are optical steps 122. The non-lens elements 122b in FIG. 13 may be formed convexly or concavely relative to the surface of the optical member 120. As shown in FIG. 13(b), the optical member 120B may be a cover 130. The non-lens elements 122b may also be textured. As shown in FIG. 13(a), the non-lens elements 122b may be a combination of a circle and multiple triangles surrounding it. As shown in FIG. 13(b), the non-lens elements 122b may be a star shape. As shown in FIG. 13(c), the non-lens elements 122b may be a triangular pyramid. As shown in FIGS. 13(d) to 13(g), the non-lens elements 122b may be a combination of multiple linear elements. As shown in FIGS. 13(h) to 13(j), the non-lens elements 122b may be a combination of circular elements. As shown in Figure 13(k), the non-lens elements 122b may be a combination of circles and squares, or may be a curved line such as a wavy line, as shown in Figure 13(l).

[0054] The method for forming non-lens elements 122b is not particularly limited, but for example, the surface of flat optical member 120D may be machined or resin may be applied, or the base portion of optical member 120D and non-lens elements 122b on its surface may be integrally molded.

[0055] According to the third embodiment, depending on the shape, structure, pattern, whether the non-lens element 122b is concave or convex, the depth of the concave, the height of the convex, and the contrast ratio thereof, it is possible to produce a sparkling light emission, or conversely, a unique light emission with a reduced sparkle effect, thereby providing a new aesthetic appearance that has not been seen before.

[0056] (Embodiment 4) FIG. 14 is an exploded perspective view of a marker lamp 100C according to a fourth embodiment. This marker lamp 100C has two functions: a turn signal lamp and a tail signal lamp. The plurality of light-emitting elements 104 formed on a substrate 102 include a plurality of first light-emitting elements 104A that emit amber light and a plurality of second light-emitting elements 104R that emit red light. The plurality of first light-emitting elements 104A and the plurality of second light-emitting elements 104R are arranged in a regular mixed pattern. This allows the same portion to appear to emit light when the lamp is lit as a turn signal lamp and a tail signal lamp.

[0057] The diffusion material 110 is provided to cover the first region 152 .

[0058] The above is the configuration of marker lamp 100C. With this marker lamp 100C, first region 152 emits uniform amber light when the turn lamp is on, and emits uniform red light when the stop lamp is on. Meanwhile, with respect to second region 154, amber light-emitting element 104A emits light with a distinct grainy appearance when the turn lamp is on, and red light-emitting element 104R emits light with a distinct grainy appearance when the stop lamp is on.

[0059] (Embodiment 5) Fig. 15 is an exploded perspective view of a marker lamp 100D according to embodiment 5. Like the marker lamp 100C in Fig. 14, the marker lamp 100D has the functions of a turn lamp and a stop lamp, and the light-emitting element 104 includes a first light-emitting element 104A and a second light-emitting element 104R.

[0060] Optical member 120D is formed with a plurality of optical steps 122. In this embodiment, optical steps 122 are lens elements 122a and are formed in positions corresponding to first light-emitting element 104A. On the other hand, optical steps 122 are not formed in positions corresponding to second light-emitting element 104R.

[0061] In other words, this marker lamp 100D emits light in the same way as in embodiment 1 for the red stop lamp, while in the same way as in embodiment 2, the luminous intensity near the center of the light distribution can be increased by the action of the lens for the amber turn lamp.

[0062] (Embodiment 6) Fig. 16 is an exploded perspective view of a marker lamp 100E according to embodiment 6. The marker lamp 100E has the functions of a turn lamp and a stop lamp, similar to the marker lamp 100D of Fig. 15, and the light-emitting element 104 includes a first light-emitting element 104A and a second light-emitting element 104R.

[0063] As in the fifth embodiment (FIG. 15), the optical member 120E is formed with a plurality of optical steps 122. In this embodiment, the optical steps 122 are lens elements 122a, and are formed at locations corresponding to the first light-emitting elements 104A.

[0064] On the other hand, the non-lens element 122b described in the third embodiment is formed at a location corresponding to the second light emitting element 104R.

[0065] This marker lamp 100E emits light in the same manner as in embodiment 5 (Figure 15) for the amber turn lamps, while the red stop lamps emit light in a manner that corresponds to the shape and structure of the non-lens element 122b, as described in embodiment 3, thereby providing a unique aesthetic appearance.

[0066] (Variation) The above-described embodiment is merely an example, and it will be understood by those skilled in the art that various modifications are possible in the combination of the components and the processing steps. Such modifications will be described below.

[0067] (Variation 1) In the fifth embodiment (FIG. 15), a non-lens element 122b may be disposed in place of the lens element 122a at a location corresponding to the light emitting element 104A.

[0068] (Variation 2) In the sixth embodiment (FIG. 16), optical member 120E is configured with a combination of lens elements 122a and non-lens elements 122b, but this is not a limitation. For example, lens elements with different focal lengths may be arranged at locations corresponding to amber light-emitting element 104A and red light-emitting element 104R. Alternatively, non-lens elements with different shapes or structures may be arranged at locations corresponding to amber light-emitting element 104A and red light-emitting element 104R. In other words, the multiple first optical elements provided at multiple locations corresponding to amber light-emitting element 104A and the multiple second optical elements provided at multiple locations corresponding to red light-emitting element 104R only need to have different structures.

[0069] The present disclosure has been described using specific terms based on the embodiments, but the embodiments merely illustrate the principles and applications of the present disclosure, and many modifications and changes in arrangement are permitted to the embodiments as long as they do not deviate from the concept of the present disclosure as defined in the claims. [Explanation of symbols]

[0070] 100 beacon light 102 Circuit Board 104, 104a, 104b Light-emitting element 110 Diffusion material 120 Optical Components 122 optical steps 122a Lens element 122b Non-lens elements 130 Cover 150 luminous area 152 1st area 154 Second area

Claims

1. a plurality of semiconductor light emitting elements arranged side by side on a substrate; a diffusion material provided to cover a portion of the plurality of semiconductor light emitting elements; Equipped with the first portion provided with the diffusing material emits light in a manner that makes it impossible to distinguish between the individual semiconductor light emitting elements; A marker lamp, characterized in that in the second portion where the diffusing material is not provided, the individual semiconductor light emitting elements emit light in a distinguishable manner.

2. an optical member provided to cover the second portions of the plurality of semiconductor light emitting elements; 2. The marker lamp according to claim 1, wherein the optical member includes a plurality of optical elements provided at a plurality of locations corresponding to the plurality of semiconductor light emitting elements.

3. 3. The marker lamp according to claim 2, wherein the optical member is a part of a cover that entirely covers the plurality of semiconductor light-emitting elements.

4. 4. The marker lamp according to claim 2, wherein the optical element is a lens element.

5. 4. The marker lamp according to claim 2, wherein the optical element is a non-lens element.

6. The plurality of semiconductor light emitting elements are a plurality of first light-emitting elements that emit light in a first color; a plurality of second light-emitting elements that emit light in a second color; Including, 4. The marker lamp according to claim 2, wherein the plurality of optical elements includes a plurality of first optical elements provided at a plurality of locations corresponding to the plurality of first light-emitting elements.

7. the plurality of optical elements further include a plurality of second optical elements provided at a plurality of locations corresponding to the plurality of second light-emitting elements, 7. The marker lamp of claim 6, wherein the first optical element and the second optical element have different structures.

8. 8. The marker lamp according to claim 6, wherein the first optical element is a lens element.

9. 8. The marker light of claim 7, wherein the second optical element is a non-lens element.

10. 10. The marker lamp according to claim 6, wherein the first color is amber and the marker lamp has a function as a turn lamp.

11. 11. The marker lamp according to claim 6, wherein the second color is red and the marker lamp functions as a tail lamp.

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