Lamp and vehicle comprising same

Abstract

The invention provides a lamp and a vehicle with the same. The lamp includes: a light source that outputs light; and a lens disposed on a front side of the light source. The lens includes an input surface to input light, the input surface defining a rear side of the lens. The input surface includes: a concave surface having a shape recessed forward into a concave shape when an upper side of the input surface is viewed parallel to an upward / downward direction; and a convex surface having a shape protruding rearward when the upper side of the input surface is viewed parallel to the upward / downward direction, the convex surface being connected to the concave surface in a first direction crossing the forward / backward direction and the upward / downward direction.

Description

[0001] Cross - reference to related applications

[0002] This application claims the priority of Korean Patent Application No. 10 - 2024 - 0015607, filed with the Korean Intellectual Property Office on February 1, 2024, the entire contents of which are incorporated herein by reference for all purposes. Technical field

[0003] The present disclosure relates to a lamp and a vehicle including the lamp. Background art

[0004] Generally, lamps provided in a vehicle are designed to form a beam pattern. The beam pattern refers to a pattern formed by light irradiated from the lamp, and the beam pattern needs to meet regulations. Recently, lamps that can form an optimized beam pattern have been actively developed to ensure the visibility of the driver while meeting laws and regulations.

[0005] Lamps are mainly classified into headlamps provided at the front side of the vehicle and rear lamps provided at the rear side of the vehicle. Among them, the headlamp can determine the visibility of the driver to the front side and the aesthetic texture of the vehicle viewed from the outside. To maximize the aesthetic texture of the vehicle, all areas of the output surface of the lamp must emit light evenly.

[0006] Meanwhile, a dark portion through which light cannot pass is formed on the output surface of a conventional lamp. In this way, when the dark portion is formed on the output surface, a discontinuous texture is formed in the image of the lamp seen from the outside, and thus, the aesthetic texture of the vehicle deteriorates. Summary of the invention

[0007] This summary is provided to introduce in a simplified form some concepts that will be further described in the detailed description below. This summary is not intended to identify key features or essential features of the claimed subject matter, nor is it intended to be used to help determine the scope of the claimed subject matter.

[0008] The present disclosure aims to solve the above - mentioned problems that occur in the prior art while completely maintaining the advantages achieved by the prior art.

[0009] One aspect of the present disclosure provides a lamp that maximizes the aesthetic texture of a vehicle by preventing a discontinuous texture from appearing in the image of the lamp seen from the outside.

[0010] The technical problems to be solved by the present disclosure are not limited to the above - mentioned problems, and those skilled in the art to which the present disclosure pertains will clearly understand any other technical problems not mentioned herein from the following description.

[0011] In general aspects of the present disclosure, a luminaire includes: a light source configured to output light; and a lens disposed on a front side of the light source, wherein the lens includes an input surface for inputting light, the input surface defining a rear side of the lens, and wherein the input surface includes: a concave surface that has a shape recessed forwardly into a concave shape when the upper side of the input surface is viewed parallel to the up / down direction; and a convex surface that has a shape protruding rearwardly into a convex shape when the upper side of the input surface is viewed parallel to the up / down direction, the convex surface being connected to the concave surface in a first direction that intersects the forward / backward direction and the up / down direction.

[0012] A width of the concave surface in the first direction may be smaller than a width of the convex surface in the first direction.

[0013] A radius of curvature of a horizontal cross-section of the concave surface may be smaller than a radius of curvature of a horizontal cross-section of the convex surface.

[0014] The input surface may include a plurality of concave surfaces and a plurality of convex surfaces, and the plurality of concave surfaces and the plurality of convex surfaces may be alternately arranged along the first direction.

[0015] The first direction may be defined as a direction perpendicular to the up / down direction and intersecting the forward / backward direction and the left / right direction.

[0016] The plurality of concave surfaces may include a first concave surface, and the plurality of convex surfaces may include a first convex surface and a second convex surface spaced apart from each other in the first direction, the first concave surface being between the first convex surface and the second convex surface, the first convex surface may be disposed on a front side of the second convex surface, and the first convex surface may be disposed between the first concave surface and the second convex surface with respect to the forward / backward direction.

[0017] The lens may further include an output surface for outputting light, the output surface defining a front side of the lens, wherein the output surface may extend in the first direction, and wherein an uneven region formed on a surface of the output surface may include: a plurality of bosses having a shape protruding in a direction facing the outside of the lens; and a plurality of grooves recessed in a direction facing the inside of the lens, and wherein the plurality of bosses and the plurality of grooves may be alternately arranged along the first direction.

[0018] The lens may further include: a lens body through which light that has reached the input surface passes, the lens body being disposed on a front side of the input surface; and an output surface from which light that has passed through the lens body is output, the output surface being disposed on a front side of the lens body; and the input surface, the lens body, and the output surface may be integrally formed.

[0019] In another general aspect of the present disclosure, a vehicle includes: a body; and a lamp mounted on the body, wherein the lamp includes: a light source configured to output light; and a lens disposed on the front side of the light source, wherein the lens includes an input surface for input light, the input surface defining the rear side of the lens, and wherein the input surface includes: a concave surface that has a shape recessed forward into a concave shape when the upper side of the input surface is viewed parallel to the up / down direction; and a convex surface that has a shape protruding backward into a convex shape when the upper side of the input surface is viewed parallel to the up / down direction, the convex surface being connected to the concave surface in a first direction that intersects the forward / backward direction and the up / down direction.

[0020] In yet another general aspect of the present disclosure, a lamp for a vehicle includes: a plurality of light sources configured to output light; and a lens disposed on the front side of the plurality of light sources and including: an input surface defining the rear side of the lens, the input surface being configured to receive light from the plurality of light sources; and an output surface defining the front side of the lens, the output surface being configured to emit the light received by the input surface, wherein the input surface includes: a concave surface configured to receive light from a first light source of the plurality of light sources; and a convex surface configured to receive light from a second light source of the plurality of light sources.

[0021] The output surface of the lens may include a plurality of bosses forming a stepped surface.

[0022] The plurality of bosses may include: a first group of bosses that receive light emitted through the concave surface of the lens and emit the light through the first group of bosses; and a second group of bosses that receive light emitted through the convex surface of the lens and emit the light through the second group of bosses.

[0023] The light emitted through the concave surface of the lens may provide a wide area pattern.

[0024] The light emitted through the convex surface of the lens may provide a hot area pattern. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] The above and other objects, features, and advantages of the present disclosure will become more apparent from the following detailed description in conjunction with the accompanying drawings.

[0026] Figure 1 is a plan view of a lamp according to an embodiment of the present disclosure.

[0027] Figure 2 is a plan view showing a part of a lamp according to an embodiment of the present disclosure.

[0028] Figure 3 is a view showing optical paths output from a first light source and a second light source according to an embodiment of the present disclosure.

[0029] Figure 4 is a view showing a light beam pattern formed by a conventional lamp and a light beam pattern formed by a lamp according to an embodiment of the present disclosure. Detailed Description of the Embodiment

[0030] Hereinafter, embodiments of the present disclosure will be described in detail with reference to the accompanying drawings. When adding reference numerals to the components in the drawings, it should be noted that even if the same components are drawn in different drawings, the same components are denoted by the same reference numerals. In addition, when describing embodiments of the present disclosure, when a detailed description of related known configurations and functions may impede the understanding of the embodiments of the present disclosure, its detailed description will be omitted.

[0031] Hereinafter, a lamp 10 according to the present disclosure and a vehicle including the lamp will be described with reference to the accompanying drawings.

[0032] Figure 1 is a plan view of a lamp according to an embodiment of the present disclosure.

[0033] Referring to Figure 1 , the vehicle may include a vehicle body and the lamp 10. The vehicle body may define the appearance of the vehicle. The lamp 10 may be a headlamp for ensuring visibility in front of the driver. In addition, a plurality of lamps 10 are provided, and the plurality of lamps 10 may be respectively provided on the left front side and the right front side of the vehicle. The lamp 10 may include a light source 100, a lens 200, a shroud portion 300, and a reflector portion 400.

[0034] The light source 100 may output light. For example, the light source 100 may be provided as a light emitting diode (LED). A plurality of light sources 100 may be provided. The plurality of light sources 100 may be spaced apart from each other in the left / right direction "W". The plurality of light sources 100 may include a first light source 110 and a second light source 120.

[0035] The light output from the first light source 110 may pass through the lens 200 to form a wide area of the light beam pattern. For example, the light output from the first light source 110 may sequentially pass through a first reflector 410, a first shroud 310, a concave surface 211, and a first boss 221, which will be described later. Among the light output from the first light source 110, the light that has passed through the first boss 221 may form a wide area of the light beam pattern.

[0036] The light output from the second light source 120 can pass through the lens 200 to form a hot zone of the light beam pattern. For example, the light output from the second light source 120 can sequentially pass through the second reflector 420, the second shield 320, the convex surface 212, and the second boss 222, which will be described later. Among the light output from the second light source 120, the light that has passed through the second boss 222 can form a hot zone of the light beam pattern.

[0037] A plurality of first light sources 110 and a plurality of second light sources 120 can be provided. For example, the plurality of first light sources 110 and the plurality of second light sources 120 can be alternately provided along the left / right direction "W".

[0038] Figure 2 is a plan view showing a part of a lighting fixture according to an embodiment of the present disclosure, and Figure 3 is a view showing the optical paths output from the first light source and the second light source according to an embodiment of the present disclosure.

[0039] Further referring to Figure 2 and Figure 3 In the lens 200, the light output from the plurality of light sources 100 can be input, passed through, and then output. For example, the light output from the lens 200 can form a light beam pattern. The lens 200 can include an input surface 210, an output surface 220, and a lens body 230.

[0040] The input surface 210 can refer to an area of the lens 200 into which the light output from the light source 100 is input. The input surface 210 can define the rear side of the lens 200. The input surface 210 can include a concave surface 211 and a convex surface 212.

[0041] When observing the upper side of the input surface 210 parallel to the up / down direction, the concave surface 211 can have a shape that is recessed forward. The light output from the first light source 110 can be input to the concave surface 211. For example, the light that has passed through the first shield 310 can be input to the concave surface 211.

[0042] When observing the upper side of the input surface 210 parallel to the up / down direction, the light input to the concave surface 211 can be refracted to spread in the left / right direction "W". For example, the width of the light beam that has reached the concave surface 211 in the left / right direction "W" can be smaller than the width of the light beam that is refracted on the concave surface 211 and output from the output surface 220 in the left / right direction "W".

[0043] A plurality of concave surfaces 211 may be provided. The plurality of concave surfaces 211 may be spaced apart from each other along a first direction. The first direction may be defined as a direction intersecting with the forward / backward direction “A” and the upward / downward direction. Specifically, the first direction may be defined as a direction perpendicular to the upward / downward direction and intersecting with the forward / backward direction “A” and the left / right direction “W”. Further, when a virtual straight line extending in the first direction is referred to as a first straight line, the inclination of the first straight line with respect to the left / right direction “W” in the forward / backward direction “A” may be less than 1. For example, when a virtual straight line extending in the left / right direction “W” is referred to as a left / right reference line, and a virtual straight line extending in the forward / backward direction “A” is referred to as a forward / backward reference line, the acute angle defined by the first straight line and the left / right reference line may be less than the acute angle defined by the first straight line and the forward / backward reference line. However, the concept of the present disclosure is not limited thereto, and the acute angle defined by the first straight line and the left / right reference line may be less than the acute angle defined by the first straight line and the forward / backward reference line.

[0044] When observing the upper side of the input surface 210 parallel to the upward / downward direction, the convex surface 212 may have a shape protruding backward. The light output from the second light source 120 may be input to the convex surface 212. For example, the light that has passed through the second shield 320 may be input to the convex surface 212.

[0045] Return reference Figure 3 When observing the upper side of the input surface 210 parallel to the upward / downward direction, the light output from the convex surface 212 may be refracted so that the light beam becomes parallel. The meaning of the parallel light beam may be understood as a concept that includes not only the case where multiple light rays constituting the light beam are all parallel to each other, but also the case where the angle formed by any two of the multiple light rays is very small and almost the same as when they are parallel to each other.

[0046] In addition, a first light ray and a second light ray may cross each other in the lens body 230. The first light ray is a light ray located on the opposite side of the first direction among the light rays output to the concave surface 211, and the second light ray is a light ray located on one side of the first direction among the light rays output to the convex surface 212. For example, based on the case where the concave surface 211 is relatively located on the right side and the convex surface 212 is relatively located on the left side, the first light ray may refer to the one located on the leftmost side among the light rays output to the concave surface 211, and the second light ray may refer to the one located on the rightmost side among the light rays output to the convex surface 212. As a detailed example, the point where the first light ray intersects with the output surface 220 is a first point, and the point where the second light ray intersects with the output surface 220 is a second point. The first point may be located on the left side of the second point. In other words, the light beam that has passed through the concave surface 211 may be output in the region formed between the first point and the second point on the output surface 220.

[0047] That is, due to the optical characteristics of the shape of the concave surface 211, when the light passing through the concave surface 211 diffuses in the left / right direction “W”, the light is also emitted in the region formed between the first point and the second point on the output surface 220. The advantage is that the light can be uniformly output from all regions of the output surface 220.

[0048] A plurality of convex surfaces 212 can be provided. The plurality of convex surfaces 212 can be spaced apart from each other along the first direction. For example, the plurality of concave surfaces 211 and the plurality of convex surfaces 212 can be alternately provided along the first direction. The plurality of convex surfaces 212 can include a first convex surface and a second convex surface.

[0049] The first convex surface and the second convex surface can refer to two convex surfaces among the plurality of convex surfaces 212 that are spaced apart from each other in the first direction, and the first concave surface (any one of the plurality of concave surfaces 211) is between the two convex surfaces.

[0050] The first convex surface can be provided on the front side of the second convex surface. The first convex surface can be provided between the first concave surface and the second convex surface with respect to the forward / backward direction “A”. For example, the first concave surface can be provided on the front (rear) side of the first convex surface, and the second convex surface can be provided on the rear (front) side of the first convex surface. In other words, the first convex surface, the first concave surface, and the second convex surface can be arranged in sequence along the forward / backward direction “A”.

[0051] In addition, the first width is the width of the concave surface 211 in the first direction, the second width is the width of the convex surface 212 in the first direction, and the first width and the second width can be different. For example, the first width of the concave surface 211 can be less than the second width of the convex surface 212. However, the present disclosure is not limited to this example, and the first width of the concave surface 211 can be greater than the second width of the convex surface 212.

[0052] In addition, the first radius of curvature is the radius of curvature of the horizontal section of the concave surface 211, the second radius of curvature is the radius of curvature of the horizontal section of the convex surface 212, and the first radius of curvature and the second radius of curvature can be different. For example, the first radius of curvature can be less than the second radius of curvature. In other words, the degree of curvature of the concave surface 211 can be greater than the degree of curvature of the convex surface 212. However, the concept of the present disclosure is not limited thereto, and the first radius of curvature can be greater than the second radius of curvature. In other words, the degree of curvature of the concave surface 211 can be less than the degree of curvature of the convex surface 212.

[0053] In this way, since the first radius of curvature of the concave surface 211 is formed to be less than the second radius of curvature of the convex surface 212, even if the first width of the concave surface 211 is formed to be less than the second width of the convex surface 212, a sufficient diffusion angle of the light that has passed through the concave surface 211 can be ensured.

[0054] In addition, the input surface 210 may further include a connecting surface 213. Referring back to Figure 2 , the connecting surface 213 may connect one end of the concave surface 211 in the first direction and the opposite end of the convex surface 212 in the first direction. The connecting surface 213 may extend in the forward / backward direction “A”. For example, the front end of the connecting surface 213 may be connected to the concave surface 211, and the rear end of the connecting surface 213 may be connected to the convex surface 212. In other words, one end of the concave surface 211 in the first direction and the opposite end of the convex surface 212 in the first direction may be spaced apart from each other in the forward / backward direction “A” by the connecting surface 213. The connecting surface 213 may be integrally formed with the concave surface 211 and the convex surface 212.

[0055] The output surface 220 may refer to an area of the lens 200 where the light that has passed through the lens body 230 is output. The output surface 220 may define the front side of the lens 200. Concavo-convex areas may be formed on the surface of the output surface 220.

[0056] The concavo-convex areas may include a plurality of bosses and a plurality of grooves. The plurality of bosses may have a shape that protrudes in a direction facing the outside of the lens 200. For example, when observing the upper side of the lens 200 parallel to the up / down direction, the bosses may have a rectangular or semi-circular shape. However, the shape of the bosses is not limited to this example and may be set to various shapes protruding from the output surface 220.

[0057] In addition, each of the plurality of grooves may have a shape that protrudes in a direction facing the inside of the lens 200. For example, the grooves may be formed between two adjacent bosses of the plurality of bosses. In other words, the shape of the grooves may be determined by the shape of the bosses.

[0058] In addition, the plurality of bosses may include a first boss 221 and a second boss 222. The first boss 221 may be formed in a first output area, which is an area of the output surface 220 that faces the concave surface 211 in the forward / backward direction “A”. In other words, when observing the front side of the lens 200 parallel to the forward / backward direction “A”, the first output area may refer to the area of the output surface 220 that overlaps with the concave surface 211.

[0059] A plurality of first bosses 221 may be provided. The plurality of grooves formed by the plurality of first bosses 221 may be referred to as a plurality of first grooves. The plurality of first bosses 221 and the plurality of first grooves may be alternately arranged on the surface of the first output area along the first direction.

[0060] The second boss 222 may be formed in the second output region, which is the region of the output surface 220 that faces the convex surface 212 in the forward / backward direction "A". In other words, when observing the front side of the lens 200 parallel to the forward / backward direction, the second output region may refer to the region of the output surface 220 that overlaps with the convex surface 212.

[0061] A plurality of second bosses 222 may be provided. The plurality of grooves formed by the plurality of second bosses 222 may be referred to as a plurality of second grooves. The plurality of second bosses 222 and the plurality of second grooves may be alternately provided on the surface of the second output region along the first direction.

[0062] The light that has reached the input surface 210 may pass through the lens body 230. The lens body 230 may be provided on the front side of the input surface 210. In addition, the output surface 220 may be provided on the front side of the lens body 230. In other words, the rear side of the lens body 230 may be connected to the input surface 210, and the front side of the lens body 230 may be connected to the output surface 220. In addition, as an example, the plurality of input surfaces 210, the plurality of output surfaces 220, and the lens body 230 may be integrally formed.

[0063] The shield portion 300 may block a part of the light output from the light source 100 from being input to the lens 200. The shield portion 300 may be provided between the light source 100 and the lens 200 with respect to the forward / backward direction "A".

[0064] The shield portion 300 may include a plurality of shields. The plurality of shields may include a first shield 310 and a second shield 320.

[0065] The first shield 310 may block a part of the light output from the first light source 110 from being input to the concave surface 211. The second shield 320 may block a part of the light output from the second light source 120 from being input to the convex surface 212.

[0066] A plurality of first shields 310 and a plurality of second shields 320 may be provided. For example, the plurality of first shields 310 and the plurality of second shields 320 may be alternately provided along the left / right direction "W".

[0067] The reflector portion 400 may reflect (e.g., total reflection) the light output from the light source 100. The reflector portion 400 may include a plurality of reflectors. The plurality of reflectors may include a first reflector 410 and a second reflector 420.

[0068] The first reflector 410 may reflect (e.g., total reflection) the light output from the first light source 110. For example, the light reflected from the first reflector 410 may propagate toward the front end of the first shield 310.

[0069] Refer to againFigure 3 When observing the upper side of the lamp 10 in a direction parallel to the up / down direction, the light output from the first light source 110 and reflected by the first reflector 410 can propagate parallel to the forward / backward direction "A". In other words, the horizontal focus of the first reflector 410 may not exist.

[0070] The second reflector 420 can reflect (e.g., total reflection) the light output from the second light source 120. For example, the light reflected by the second reflector 420 can propagate toward the front end of the second shield 320.

[0071] Refer to again Figure 3 When observing the upper side of the lamp 10 in a direction parallel to the up / down direction, the light emitted from the second light source 120 and reflected by the second reflector 420 can be gathered in the region between the convex surface 212 and the second reflector 420 and then input to the convex surface 212. In other words, the horizontal focus of the second reflector 420 can be located between the convex surface 212 and the second reflector 420 with respect to the forward / backward direction "A". For example, the horizontal focus of the second reflector 420 can be located at the front end of the second shield 320 with respect to the forward / backward direction "A".

[0072] A plurality of first reflectors 410 and a plurality of second reflectors 420 can be provided. For example, the plurality of first reflectors 410 and the plurality of second reflectors 420 can be alternately arranged along the left / right direction "W".

[0073] In addition, when a virtual straight line passing through the first light source 110 and extending in the forward / backward direction "A" is referred to as a first reference line, the first reference line can be configured to pass through the first light source 110, the first reflector 410, the first shield 310, the concave surface 211, and the first output region when observing the upper side of the lamp 10 in a direction parallel to the up / down direction. For example, the light output from the first light source 110 can form a wide area after sequentially passing through the first reflector 410, the first shield 310, the concave surface 211, and the first output region. That is, a first light source 110, a first reflector 410, a first shield 310, a concave surface 211, and a first output region that are passed through by one first reference line and correspond to each other one by one can be referred to as a "first optical module".

[0074] In addition, a plurality of first light sources 110, a plurality of first reflectors 410, a plurality of first shields 310, a plurality of concave surfaces 211, and a plurality of first output regions may correspond to each other one by one. In addition, when among the plurality of concave surfaces 211, the concave surface 211 relatively located at the front side is referred to as the front concave surface, and the concave surface 211 relatively located at the rear side is referred to as the rear concave surface, the first light source 110, the first reflector 410, the first shield 310, and the first output region that correspond to the front concave surface one by one may be located at the front side of the first light source 110, the first reflector 410, the first shield 310, and the first output region that correspond to the rear concave surface one by one. In other words, the plurality of first optical modules may have the same shape, but may be arranged to be spaced apart from each other in the forward / backward direction "A" and the first direction.

[0075] In addition, when a virtual straight line that passes through the second light source 120 and extends in the forward / backward direction "A" is referred to as the second reference line, the second reference line may be configured to pass through the second light source 120, the second reflector 420, the second shield 320, the convex surface 212, and the second output region when observing the upper side of the lamp 10 in parallel with the up / down direction. For example, the light output from the second light source 120 may form a hot zone after sequentially passing through the second reflector 420, the second shield 320, the convex surface 212, and the second output region. That is, one second light source 120, one second reflector 420, one second shield 320, one convex surface 212, and one second output region that are passed through by one second reference line and correspond to each other one by one may be referred to as a "second optical module".

[0076] In addition, a plurality of second light sources 120, a plurality of second reflectors 420, a plurality of second shields 320, a plurality of convex surfaces 212, and a plurality of second output regions may correspond to each other one by one. In addition, when among the plurality of convex surfaces 212, the convex surface 212 relatively located at the front side is referred to as the front convex surface, and the convex surface 212 relatively located at the rear side is referred to as the rear convex surface, the second light source 120, the second reflector 420, the second shield 320, and the second output region that correspond to the front convex surface one by one may be located at the front side of the second light source 120, the second reflector 420, the second shield 320, and the second output region that correspond to the rear convex surface one by one. In other words, the plurality of second optical modules may have the same shape, but may be arranged to be spaced apart from each other in the forward / backward direction "A" and the first direction. In addition, the first light source 110, the first reflector 410, and the first shield 310 that correspond to the first concave surface described above may be located on the front (rear) side of the second light source 120, the second reflector 420, and the second shield 320 that correspond to the convex surface (for example, the first convex surface and the second convex surface) adjacent to the first concave surface.

[0077] Hereinafter, further reference will be made to Figure 4, a comparison is made between the conventional light beam pattern BP and the light beam pattern AP according to an embodiment of the present disclosure.

[0078] Figure 4 is a view showing the light beam pattern formed by a conventional lamp and the light beam pattern formed by a lamp according to an embodiment of the present disclosure.

[0079] Referring to Figure 4 , in the conventional light beam pattern BP, there is a dark portion "D" where no light distribution is formed between the wide area BWP and the hot area BHP. On the other hand, in the light beam pattern AP according to an embodiment of the present disclosure, the wide area AWP and the hot area AHP partially overlap each other, so that there is no dark portion between the wide area AWP and the hot area AHP.

[0080] For example, the wide area AWP according to an embodiment of the present disclosure is any part of the light beam pattern formed by the light output from the first output area, and the hot area may be another part of the light beam pattern formed by the light output from the second output area. In addition, due to the positional relationship between the first light ray and the second light ray set according to the shape of the concave surface 211 described above, there may be no dark portion between the wide area AWP and the hot area AHP formed by the lamp 10 according to an embodiment of the present disclosure.

[0081] Therefore, although the conventional light beam pattern BP has a pattern shape interrupted by the dark portion "D", the light beam pattern AP according to an embodiment of the present disclosure can have a uniform pattern shape without an interrupted texture.

[0082] By preventing an interrupted texture from appearing in the image of the lamp seen from the outside, the lamp maximizes the aesthetic texture of the vehicle.

[0083] In the above description, since all components constituting an embodiment of the present disclosure are described as being combined or operating in combination, the present disclosure is not necessarily limited to this embodiment. That is, within the scope of the purpose of the present disclosure, all components can operate in a selective combination of one or more. In addition, the above terms (e.g., "comprising", "including" or "having") mean that the corresponding components can exist, and thus do not exclude other components, unless there is a contrary specific description, but should be interpreted as being able to include other components. Unless otherwise defined, all terms including technical terms or scientific terms have the same meaning as commonly understood by those of ordinary skill in the art to which the present disclosure pertains. Commonly used terms, such as those defined in a dictionary, should be interpreted as being consistent with the context meaning of the related art, and are not interpreted as ideal or overly formal meanings unless clearly defined in the present disclosure.

[0084] The above description is a simple exemplary description of the technical spirit of the present disclosure. Those of ordinary skill in the art to which the present disclosure pertains can make various corrections and modifications without departing from the basic features of the present disclosure. Therefore, the embodiments disclosed in the present disclosure are not intended to limit the technical spirit of the present disclosure, but to describe them, and the scope of the technical spirit of the present disclosure is not limited to these embodiments. The protection scope of the present disclosure should be interpreted by the technical solution, and all technical spirits within the equivalent scope should be interpreted as being included within the scope of the present disclosure.

Claims

1. A lighting fixture, comprising: a light source configured to output light; and a lens disposed on the front side of the light source, wherein the lens includes an input surface for inputting light, the input surface defining the rear side of the lens, and wherein the input surface includes: a concave surface which, when the upper side of the input surface is viewed parallel to the up / down direction, has a shape that is recessed forwardly into a concave shape; and a convex surface which, when the upper side of the input surface is viewed parallel to the up / down direction, has a shape that protrudes rearwardly into a convex shape, the convex surface being connected to the concave surface in a first direction that intersects the forward / backward direction and the up / down direction.

2. The luminaire according to claim 1, wherein, The width of the concave surface in the first direction is smaller than the width of the convex surface in the first direction.

3. The luminaire according to claim 1, wherein, The radius of curvature of the horizontal cross-section of the concave surface is smaller than the radius of curvature of the horizontal cross-section of the convex surface.

4. The lighting fixture according to claim 1, Among them, wherein the input surface includes a plurality of concave surfaces and a plurality of convex surfaces, and wherein the plurality of concave surfaces and the plurality of convex surfaces are alternately arranged along the first direction.

5. The luminaire according to claim 4, wherein, The first direction is defined as a direction perpendicular to the up / down direction and intersecting the forward / backward direction and the left / right direction.

6. The lighting fixture according to claim 5, Among them, wherein the plurality of concave surfaces includes a first concave surface, wherein the plurality of convex surfaces includes a first convex surface and a second convex surface spaced apart from each other in the first direction, the first concave surface being interposed between the first convex surface and the second convex surface, wherein the first convex surface is disposed on the front side of the second convex surface, and wherein the first convex surface is disposed between the first concave surface and the second convex surface with respect to the forward / backward direction.

7. The lighting fixture according to claim 1, Among them, wherein the lens further includes an output surface for outputting light, the output surface defining the front side of the lens, wherein the output surface extends in the first direction, wherein the concavo-convex region formed on the surface of the output surface includes: a plurality of bosses having a shape that protrudes in a direction facing the outside of the lens; and a plurality of grooves recessed in a direction facing the inside of the lens, and wherein the plurality of bosses and the plurality of grooves are alternately arranged along the first direction.

8. The lighting fixture according to claim 1, Among them, wherein the lens further includes: a lens body through which light that has reached the input surface passes, the lens body being disposed on the front side of the input surface; and an output surface from which light that has passed through the lens body is output, the output surface being disposed on the front side of the lens body; and wherein the input surface is integrally formed with the lens body and the output surface.

9. A vehicle, comprising: a vehicle body; and a lighting fixture mounted on the vehicle body, wherein the lighting fixture includes: a light source configured to output light; and a lens disposed on the front side of the light source, wherein the lens includes an input surface for inputting light, the input surface defining the rear side of the lens, and wherein the input surface includes: A concave surface which, when the upper side of the input surface is observed parallel to the upward / downward direction, has a shape that is recessed forwardly into a concave shape; and A convex surface which, when the upper side of the input surface is observed parallel to the upward / downward direction, has a shape that protrudes rearwardly into a convex shape, the convex surface being connected to the concave surface in a first direction that intersects the forward / backward direction and the upward / downward direction.

10. A vehicle lamp comprising: A plurality of light sources configured to output light; And A lens disposed on the front side of the plurality of light sources and including: An input surface defining the rear side of the lens, the input surface being configured to receive light from the plurality of light sources; and An output surface defining the front side of the lens, the output surface being configured to emit the light received by the input surface, Wherein the input surface includes: A concave surface configured to receive light from a first light source among the plurality of light sources; and A convex surface configured to receive light from a second light source among the plurality of light sources.

11. The luminaire according to claim 10, wherein, The output surface of the lens includes a plurality of bosses forming a stepped surface.

12. The luminaire according to claim 11, wherein, The plurality of bosses includes: A first set of bosses that receive the light emitted through the concave surface of the lens and emit the light through the first set of bosses; and A second set of bosses that receive the light emitted through the convex surface of the lens and emit the light through the second set of bosses.

13. The luminaire according to claim 12, wherein, The light emitted through the concave surface of the lens provides a wide area pattern.

14. The luminaire according to claim 12, wherein, The light emitted through the convex surface of the lens provides a hot area pattern.

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