Vehicle lighting

Abstract

The present invention relates to a vehicle lamp, and more specifically, to a vehicle lamp capable of forming a light irradiation pattern including a plurality of pattern images while simplifying the structure. A vehicle lamp according to an embodiment of the present invention may include: a light emitting portion; and an optical portion, located in front of the light emitting portion, and allowing light incident from the light emitting portion to be emitted through a plurality of optical modules including an incident lens and an emission lens, respectively, so as to form a predetermined light irradiation pattern, wherein the light emitting portion includes: a plurality of light sources; and a plurality of reflectors, allowing light generated from each of the plurality of light sources to be incident on a plurality of different regions of the optical portion.

Description

Technical Field

[0001] The present invention relates to a vehicle lamp, and more particularly to a vehicle lamp capable of forming a light irradiation pattern including a plurality of pattern images while simplifying the structure. Background Art

[0002] Generally, a vehicle is equipped with various types of lamps having a lighting function for easily recognizing objects around the vehicle when traveling at night and a signaling function for notifying other vehicles or pedestrians of the vehicle's traveling state.

[0003] For example, the main purpose of the headlight and fog lamp is lighting, while the main purpose of the turn signal lamp, tail lamp, brake lamp, etc. is signal. In addition, the installation standards and specifications of these vehicle lamps are stipulated by laws and regulations to fully utilize their respective functions.

[0004] Recently, research is actively being conducted to reduce the size of a vehicle lamp by using a microlens having a relatively short focal length, in which case a light irradiation pattern having a desired shape or size is formed by light emitted from a plurality of microlenses.

[0005] At this time, when the light irradiation pattern includes multiple pattern images, it is necessary to separately equip an optical system for forming each pattern image. In this case, the structure becomes complicated and the cost increases. Therefore, a solution is required that can simplify the structure and form a light irradiation pattern including multiple pattern images.

[0006] [Prior art literature]

[0007] [Patent Literature]

[0008] Korean Patent Publication No. 10-2013-0002522 (2013.01.08) Summary of the invention

[0009] The technical problem that the present invention intends to solve is to provide a vehicle lamp that can easily form a plurality of pattern images without separately providing an optical system for forming each pattern image when forming a light irradiation pattern including a plurality of pattern images.

[0010] The technical problems of the present invention are not limited to the technical problems mentioned above, and those skilled in the art can clearly understand other technical problems not mentioned from the following description.

[0011] In order to achieve the technical problem, a vehicle lamp according to an embodiment of the present invention may include: a light-emitting portion; and an optical portion, which is located in front of the light-emitting portion and allows the light incident from the light-emitting portion to be emitted through a plurality of optical modules respectively including an incident lens and an emission lens, thereby forming a predetermined light irradiation pattern, wherein the light-emitting portion may include: a plurality of light sources; and a plurality of reflectors, so that the light generated from each of the plurality of light sources is respectively incident on a plurality of different areas of the optical portion.

[0012] The plurality of reflectors may reflect light generated from each of the plurality of light sources such that the light travels parallel to a line passing through a center of the optical portion in a front-rear direction.

[0013] The optical portion may cause light reflected by each of the plurality of reflectors to be irradiated to positions having different distances from the vehicle.

[0014] The plurality of reflectors may have sizes different from each other.

[0015] The plurality of regions may have sizes different from each other, and each of the plurality of reflectors may have a size of a corresponding region among the plurality of regions.

[0016] The plurality of regions may have sizes different from each other according to a distance to which light is irradiated from the vehicle.

[0017] The plurality of regions are arranged in the up-down direction, and a region in which light is irradiated to a maximum distance from the vehicle may have the largest size among the plurality of regions.

[0018] The region located at the uppermost side or the lowermost side among the plurality of regions can irradiate light to the farthest distance from the vehicle.

[0019] Among the plurality of optical modules, directions in which light is emitted from the optical modules belonging to each of the plurality of regions may have different inclination angles from each other with respect to a horizontal direction.

[0020] In the plurality of regions, the angle at which the light is emitted relative to the horizontal direction may be smaller as the light is irradiated to the region farther from the vehicle.

[0021] Each of the plurality of light sources may be located at a side of the plurality of reflectors and generate light in a left or right direction.

[0022] The plurality of light sources may be turned on or off at the same time.

[0023] The plurality of light sources may be turned on or off in sequence.

[0024] At least one of the plurality of light sources may generate light having a brightness different from that of the remaining light sources.

[0025] Other specific matters of the present invention are included in the detailed description and drawings.

[0026] According to the vehicle lamp of the present invention as described above, one or more of the following technical effects are achieved.

[0027] According to the position at which each of the plurality of pattern images included in the light irradiation pattern is formed, some and other of the plurality of optical modules emit light in directions different from each other, thereby having the effect of simplifying the structure and easily forming a plurality of pattern images.

[0028] Furthermore, when a plurality of pattern images are formed at different positions, the number of optical modules forming the respective pattern images is made different from each other, thereby achieving an effect of having uniform brightness even when the positions at which the plurality of pattern images are formed are different.

[0029] Furthermore, when a plurality of pattern images are formed at different positions, the sizes of the transmission areas of the shielding members used to form the respective pattern images are made different from each other, thereby achieving uniform brightness even when the plurality of pattern images are formed at different positions.

[0030] The technical effects of the present invention are not limited to the above-mentioned technical effects, and those skilled in the art can clearly understand other technical effects not mentioned from the description of the scope of the claims. BRIEF DESCRIPTION OF THE DRAWINGS

[0031] Figure 1 and Figure 2 1 is a perspective view showing a vehicle lamp according to an embodiment of the present invention.

[0032] Figure 3 1 is a side view showing a vehicle lamp according to an embodiment of the present invention.

[0033] Figure 4 is a schematic diagram showing a light emitting section according to an embodiment of the present invention.

[0034] Figure 5 and Figure 6 is an exploded perspective view showing an optical portion according to an embodiment of the present invention.

[0035] Figure 7 is a schematic diagram showing a light path of an optical module according to an embodiment of the present invention.

[0036] Figure 8 is a schematic diagram showing a plurality of regions of an optical part according to an embodiment of the present invention.

[0037] Fig. 9: is a schematic diagram showing the light emission direction of each of a plurality of regions of an optical part according to an embodiment of the present invention.

[0038] Fig.10 1 is a schematic diagram showing a light irradiation pattern formed by the vehicle lamp according to the embodiment of the present invention.

[0039] Fig.11 is a schematic diagram showing a shield in each of a plurality of regions of an optical portion according to an embodiment of the present invention.

[0040] Fig.12 and Fig.13 FIG. 1 is a perspective view showing a vehicle lamp according to another embodiment of the present invention.

[0041] Fig.14 is a front view showing a light emitting portion according to another embodiment of the present invention.

[0042] Fig.15 and Fig.16 1 is a perspective view showing a vehicle lamp according to still another embodiment of the present invention.

[0043] Fig.17 FIG. 1 is a front view showing a light emitting unit according to still another embodiment of the present invention.

[0044] Description of reference numerals:

[0045] 100: Luminous part

[0046] 110: Light source

[0047] 111, 112, 113: Light source

[0048] 120: Optical path adjustment unit

[0049] 120a: Reflective surface

[0050] 121, 122, 123: Reflector

[0051] 200: Optical Department

[0052] 210: Optical module

[0053] 211: Entrance lens

[0054] 212: Emission lens

[0055] 213: Shielding

[0056] 220: First optical component

[0057] 230: Second optical component DETAILED DESCRIPTION

[0058] References and Attachments Figure 1 The advantages and features of the present invention and the methods for achieving the advantages and features of the present invention as well as the methods for achieving the advantages and features of the present invention will be clearly understood from the embodiments described in detail below. However, the present invention can be implemented in various forms that are different from each other and is not limited to the embodiments disclosed below. The embodiments are provided only to complete the disclosure of the present invention and to fully inform the scope of the invention to a person with ordinary knowledge in the technical field to which the present invention belongs. The present invention is defined only by the scope of the claims.

[0059] Therefore, for some embodiments, in order to avoid obscuring the present invention, well-known process steps, well-known structures, and well-known technologies will not be described in detail.

[0060] The terms used in this specification are used to illustrate the embodiments and are not intended to limit the present invention. In this specification, unless specifically mentioned in a sentence, the singular also includes the plural. The "comprises" and / or "comprising" used in the specification do not exclude the existence or addition of one or more other constituent elements, steps and / or operations other than the mentioned constituent elements, steps and / or operations. In addition, "and / or" includes each of the above items and all combinations of more than one.

[0061] Furthermore, the embodiments described in this specification are described with reference to the cross-sectional views and / or schematic diagrams as ideal example diagrams of the present invention. Therefore, the form of the example diagrams may be deformed according to manufacturing technology and / or allowable errors, etc. Therefore, the embodiments of the present invention are not limited to the specific forms shown in the figures, but also include changes in the form produced according to the manufacturing process. Furthermore, for the various drawings shown in the present invention, considering the convenience of description, the various constituent elements may be shown in an enlarged or reduced manner. Throughout the specification, the same figure marks refer to the same constituent elements.

[0062] Hereinafter, the present invention will be described with reference to the accompanying drawings for illustrating a vehicle lamp according to an embodiment of the present invention.

[0063] Figure 1 and Figure 2 is a perspective view showing a vehicle lamp according to an embodiment of the present invention, Figure 3 1 is a side view showing a vehicle lamp according to an embodiment of the present invention.

[0064] Reference Figure 1 According to an embodiment of the present invention, the vehicle lamp 1 may include a light emitting portion 100 and an optical portion 200, and the light emitting portion 100 and the optical portion 200 may be accommodated in an internal space formed by a lamp housing (not shown) and a cover lens (not shown) combined with the lamp housing to irradiate light to the outside of the vehicle.

[0065] In an embodiment of the present invention, the vehicle lamp 1 can be used for the following diverse functions: a lighting function such as headlights to ensure the driver's field of vision when the vehicle is driving at night; a signaling function such as position lights, daytime running lights, turn signals, brake lights, etc. to inform drivers of surrounding vehicles or pedestrians of the vehicle's driving status; a function of forming images on the road surface around the vehicle that represent various information that the driver or pedestrians need to recognize. The vehicle lamp 1 of the present invention can be used as a single function among the above functions, or it can be used together with two or more functions.

[0066] In the following, in an embodiment of the present invention, a case where the vehicle lamp 1 of the present invention is used to form a light illumination pattern including at least one pattern image of a shape having a predetermined size on a road surface around a vehicle is described as an example, but it is not limited to this and can also be similarly applied to a case where the vehicle lamp 1 of the present invention forms a light illumination pattern for a lighting function or a signal function.

[0067] The light emitting portion 100 may generate light having a color or brightness suitable for the function of the vehicle lamp 1 of the present invention, and the light generated from the light emitting portion 100 may travel to be incident on the optical portion 200 located in front of the light emitting portion 100 .

[0068] Furthermore, when the vehicle lamp 1 of the present invention forms a light irradiation pattern including at least one pattern image having a shape of a predetermined size on the road surface around the vehicle, at least one of the light emitting portion 100 and the optical portion 200 may be arranged inclined toward the road surface with respect to the horizontal direction.

[0069] Figure 4 is a schematic diagram showing a light emitting section according to an embodiment of the present invention.

[0070] Reference Figure 4 The light emitting part 100 according to the embodiment of the present invention may include a light source part 110 and an optical path adjusting part 120 .

[0071] The light source unit 110 may include at least one light source that generates light having a color or brightness suitable for the function of the vehicle lamp 1 of the present invention. In an embodiment of the present invention, a semiconductor light-emitting element such as a light emitting diode (LED: Light Emitting Diode) is used as at least one light source as an example for explanation, but it is not limited to this. Not only LEDs but also various types of light sources such as light bulbs (Bulb), laser diodes (LD: Laser Diode), etc. can be used as at least one light source. Depending on the type of light source, optical elements such as mirrors, prisms, lenses, reflectors, etc. that affect the properties of light such as the brightness or path of light can also be used.

[0072] The optical path adjustment unit 120 plays a role in adjusting the path of light so that the light generated from the light source unit 110 becomes parallel light. In an embodiment of the present invention, the optical path adjustment unit 120 is explained by taking the case where the optical path adjustment unit 120 is formed by a reflector that reflects the light generated from the light source unit 110 and travels parallel to the center line of the optical unit 200 (i.e., a line passing through the center of the optical unit 200 in the front-to-back direction) as an example, but it is not limited to this. The optical path adjustment unit 120 can not only use a reflector, but also a variety of collimating lenses such as aspheric lenses, Fresnel lenses, total internal reflection (TIR: Total Internal Reflection) lenses, etc.

[0073] In an embodiment of the present invention, the case where the light source unit 110 and the optical path adjustment unit 120 respectively include a single light source and a single reflector is taken as an example for description, but it is not limited to this, and the number of light sources and reflectors included in the light source unit 110 and the optical path adjustment unit 120 can be changed in various ways.

[0074] In the case where the optical path adjustment portion 120 is formed using a reflector, the light source portion 110 can be arranged to generate light in one direction between the upper side and the lower side, so that the light reflected by the optical path adjustment portion 120 can travel to the optical portion 200, and the reflecting surface 120a of the optical path adjustment portion 120 can have a parabolic shape with a front end located in the direction in which the light is generated from the light source portion 110 and extending from the front end so that the rear end is located on the rear side of the light source portion 110, or a freely bent shape based on a parabola, so that the light generated from the light source portion 110 in one direction between the upper side and the lower side can travel to the front.

[0075] In an embodiment of the present invention, the case where light is generated from the light source unit 110 in the upper direction is taken as an example, and in this case, the optical path adjustment unit 120 can be formed with the front end located on the upper side of the light source unit 110 and extending from the front end in the downward direction so that the rear end is located on the rear side of the light source unit 110.

[0076] As described above, when light is generated in the upward direction from the light source unit 110 and the light is reflected forward by the optical path adjustment unit 120 and travels, the optical axis Ax of the light source unit 110 and the center line C of the optical unit 200 will have different directions from each other, but it is not limited to this. Depending on the positions of the light source unit 110 and the optical path adjustment unit 120, etc., the optical axis Ax of the light source unit 110 and the center line C of the optical unit 200 may also have the same direction.

[0077] The brightness of the light reflected by the optical path adjustment unit 120 toward the optical unit 200 may differ depending on the location where the light generated from the light source unit 110 arrives. This can be understood as being because the distance between the location where the light generated from the light source unit 110 arrives at the reflecting surface 120a and the light source unit 110 is different.

[0078] For example, the reflected images I1, I2, I3 of the light source unit 110 reflected from multiple locations RP1, RP2, RP3 in the reflecting surface 120a of the optical path adjustment unit 120 at different distances from the light source unit 110 decrease as the distance from the light source unit 110 increases. Accordingly, the brightness of the light reflected from the multiple locations RP1, RP2, RP3 decreases as the distance from the light source unit 110 increases.

[0079] That is, the brightness of the light reflected by the reflecting surface 120a of the optical path adjustment unit 120 is higher at a location closer to the light source unit 110. The brightness of the light reflected from the location RP1 closest to the light source unit 110 among the multiple locations RP1, RP2, and RP3 is the highest, and the brightness of the light reflected from the location RP3 farthest from the light source unit 110 among the multiple locations RP1, RP2, and RP3 is the lowest.

[0080] In this way, when the brightness of light reflected from different locations on the reflection surface 120a of the optical path adjustment unit 120 is different, the brightness of the pattern image formed by the light with various brightness can be made uniform by making the sizes of the areas from which light with various brightness is emitted in the optical unit 200 described later different.

[0081] In an embodiment of the present invention, light reflected from point RP3 farthest from the light source unit 110 among the multiple points RP1, RP2, and RP3 is irradiated to the position farthest from the vehicle, and light reflected from point RP1 closest to the light source unit 110 among the multiple points RP1, RP2, and RP3 is irradiated to the position closest to the vehicle. This is to facilitate adjusting a pattern image formed by light reflected from each of the multiple points RP1, RP2, and RP3 to have uniform brightness and to prevent light interference between lights reflected from each of the multiple points RP1, RP2, and RP3, which will be described in detail later.

[0082] The optical portion 200 emits a part of the light incident from the light emitting portion 100 in different directions from another part, thereby playing a role in making the light irradiation pattern formed by the vehicle lamp 1 of the present invention include a plurality of pattern images.

[0083] Figure 5 and Figure 6 is an exploded perspective view showing an optical part according to an embodiment of the present invention, Figure 7 is a schematic diagram showing a light path of an optical module according to an embodiment of the present invention.

[0084] refer to Figures 5 to 7 The optical part 200 according to the embodiment of the present invention may include a plurality of incident lenses 211 , a plurality of exit lenses 212 , and a plurality of shielding members 213 .

[0085] Light incident from the light-emitting unit 100 to each of the multiple incident lenses 211 can travel to the multiple exit lenses 212 corresponding to each of the multiple incident lenses 211 and be emitted, and each of the multiple shielding members 213 can play a role in blocking a portion of the light traveling to each of the multiple exit lenses 212 according to the shape or size of the light irradiation pattern formed by the vehicle lamp 1 of the present invention.

[0086] Hereinafter, in an embodiment of the present invention, the incident lenses 211, the exit lenses 212 and the shielding members 213 corresponding to each other are referred to as optical modules 210. In this case, the optical part 200 can be understood as being composed of a plurality of optical modules 210 arranged in a matrix form.

[0087] A plurality of incident lenses 211 may be arranged on an incident surface 221 of a first optical component 220 formed of a material such as glass that transmits light, and a plurality of exit lenses 212 may be arranged on an exit surface 232 of a second optical component 230 that is formed of a material that transmits light like the first optical component 220. The first optical component 220 and the second optical component 230 may be arranged in a front-to-back direction so that the exit surface 222 of the first optical component 220 and the incident surface 231 of the second optical component 230 are arranged to face each other.

[0088] In an embodiment of the present invention, a case where multiple shielding members 213 are formed on the incident surface 231 of the second optical member 230 is taken as an example for explanation, but this is merely an example to help understand the present invention and is not limited to this. Multiple shielding members 213 can be formed on at least one side of the first optical member 220 and the second optical member 230 according to the focal position between multiple incident lenses 211 and multiple output lenses 212 corresponding to the multiple incident lenses 211, etc.

[0089] Furthermore, in an embodiment of the present invention, a case where a single shielding member is located between a plurality of incident lenses 211 and a plurality of emission lenses 212 respectively corresponding to the plurality of incident lenses 211 is taken as an example for explanation, but it is not limited to this. According to the light irradiation pattern formed by the vehicle lamp 1 of the present invention, more than two shielding members can be arranged along the front-to-back direction between the plurality of incident lenses 211 and the plurality of emission lenses 212 respectively corresponding to the plurality of incident lenses 211.

[0090] In addition, in an exemplary embodiment of the present invention, a case is described as follows in which each of the multiple incident lenses 211 has a semi-cylindrical shape extending in the left-right direction and light emitted from one of the multiple incident lenses 211 is incident on a multiple emission lenses 212 arranged in the left-right direction, but it is not limited to this. Depending on the size, shape, brightness, etc. of the light irradiation pattern formed by the vehicle lamp 1 of the present invention, the multiple incident lenses 211 and the multiple emission lenses 212 can correspond to one-to-one, one-to-many, many-to-one, many-to-many, etc.

[0091] The optical unit 200 causes a part and another part of the optical module 210 to emit light in different directions, so that the light irradiation pattern formed by the vehicle lamp 1 of the present invention includes a plurality of pattern images formed at different positions.

[0092] Figure 8 is a schematic diagram showing a plurality of regions of an optical part according to an embodiment of the present invention.

[0093] refer to Figure 8 According to an embodiment of the present invention, the optical part 200 may be divided into a plurality of areas A1, A2, and A3, and directions of light emitted from the optical modules 210 respectively belonging to the plurality of areas A1, A2, and A3 may be different from each other.

[0094] Hereinafter, in the embodiment of the present invention, the plurality of regions A1 , A2 , and A3 are referred to as a first region A1 , a second region A2 , and a third region A3 , respectively, from the upper side to the lower side.

[0095] In an embodiment of the present invention, the case where the optical portion 200 is divided into three areas A1, A2, and A3 is taken as an example for explanation. This is because the light illumination pattern formed by the vehicle lamp 1 of the present invention includes three pattern images. Depending on the number of pattern images included in the light illumination pattern formed by the vehicle lamp 1 of the present invention, the optical portion 200 can be divided into more than two areas.

[0096] The first area A1, the second area A2 and the third area A3 may have different sizes from each other. In an embodiment of the present invention, an example is given in which the size of the first area A1 where light is irradiated at the farthest distance from the vehicle is the largest, and the size of the third area A3 where light is irradiated at the closest distance to the vehicle is the smallest. This is to make the pattern image formed by the light emitted from the first area A1, the second area A2 and the third area A3 respectively have uniform brightness.

[0097] That is, the first area A1 is the largest among the first area A1, the second area A2 and the third area A3 because Figure 4As shown, the brightness of the light incident from the light emitting portion 100 to the first area A1 is relatively low and the light emitted from the first area A1 is irradiated to the farthest distance from the vehicle, and the sizes of the first area A1, the second area A2 and the third area A3 are not limited to the above example, and the sizes of the first area A1, the second area A2 and the third area A3 may be different depending on the brightness of the light incident to the first area A1, the second area A2 and the third area A3 and the position to which the light emitted from the first area A1, the second area A2 and the third area A3 is irradiated.

[0098] Furthermore, in an embodiment of the present invention, the case where the first area A1 having the largest size among the first area A1, the second area A2 and the third area A3 is located at the uppermost side and the third area A3 having the smallest size is located at the lowermost side is taken as an example for explanation, but it is not limited to this. When the area that is illuminated at the farthest distance from the vehicle among the first area A1, the second area A2 and the third area A3 is formed to have a size larger than that of the remaining areas, the position of the largest area among the first area A1, the second area A2 and the third area A3 may be different.

[0099] The directions of light emitted from the first area A1, the second area A2 and the third area A3 may vary depending on the curvature or position of the incident lens 211 and the output lens 212 of the optical module 210 included in each area A1, A2, A3 of the multiple optical modules 210, and may also vary depending on the position of the shielding member 213.

[0100] For example, when a light irradiation pattern is formed on a road surface around a vehicle by the vehicle lamp 1 of the present invention, the directions of the light emitted from the first area A1, the second area A2, and the third area A3 need to be inclined at a predetermined angle relative to the road surface (i.e., the horizontal direction). In this case, Fig. 9 As shown, the curvature of the emission surface of the plurality of emission lenses 212 can be adjusted in such a manner that the angles θ1, θ2, θ3 of the emission directions of the light L1, L2, and L3 relative to the horizontal direction gradually increase from the first area A1 to the third area A3. Fig.10 As shown, the irradiation positions of the lights L1, L2, L3 emitted from the first area A1, the second area A2 and the third area A3 are different from each other, so that the light irradiation pattern formed by the vehicle lamp 1 of the present invention can include multiple pattern images P1, P2, P3.

[0101] At this time, when the distance from the vehicle to the pattern image is d, and the height from the road surface to the vehicle lamp 1 of the present invention is h, the angle θ of the direction of the light emitted from each of the plurality of optical modules 210 relative to the horizontal direction can be expressed by θ=tan -1 (d / h) obtained.

[0102] In an embodiment of the present invention, a case where the direction of light emission is tilted by a predetermined angle relative to the horizontal direction by adjusting the curvature of the emission surface of each of the multiple emission lenses 212 is described as an example, but it is not limited to this. The direction of light emitted from each of the multiple emission lenses 212 can also be tilted by a predetermined angle relative to the horizontal direction by adjusting the angle formed by the emission surface 232 of the second optical component 230 of each of the multiple emission lenses 212.

[0103] Furthermore, in the embodiments of the present invention, the case where multiple pattern images P1, P2, and P3 have the same shape and size is described as an example, but it is not limited to this. At least one of the shapes or sizes of the areas through which light is transmitted through the shielding members used to form each pattern image can be made different, so that one of the multiple pattern images P1, P2, and P3 has a shape or size different from another one.

[0104] like Fig.11 As shown, the plurality of shielding members 213 may include a blocking area 213a for blocking light and a transmission area 213b for transmitting light, and the shape or size of the pattern image may be different according to the shape or size of the transmission area 213b, etc.

[0105] At this time, when the sizes of the transmission areas 213b are the same, the size of the pattern image formed by irradiating light at a relatively long distance from the vehicle may be larger than the size of the pattern image formed by irradiating light at a relatively close distance from the vehicle due to the diffusion of light. Therefore, in an embodiment of the present invention, the sizes of the transmission areas 213b of the shielding member 213 are made different for the first area A1, the second area A2 and the third area A3, respectively, so that even if the positions where the multiple pattern images are formed are different, the multiple pattern images have the same size.

[0106] Fig.11 This is an example of a situation where the size of the transmission area 213b is smallest because the light emitted from the first area A1 is irradiated to the farthest distance from the vehicle, but it is not limited to this. Depending on the position of the pattern image formed by the light emitted from each of the first area A1, the second area A2 and the third area A3, the shape and size of the transmission area of ​​the shielding member of the optical module belonging to each of the first area A1, the second area A2 and the third area A3 in the multiple optical modules 210 may be different.

[0107] In addition, in the above-mentioned embodiment, a case where a single light source is used as the light source part 110 and a single reflector is used as the optical path adjustment part 120 is described as an example, but it is not limited to this. The number of light sources and the number of reflectors can be different according to the pattern image of the light irradiation pattern formed by the vehicle lamp 1 of the present invention.

[0108] Fig.12 and Fig.13 is a perspective view showing a vehicle lamp according to another embodiment of the present invention, Fig.14 is a front view showing a light emitting portion according to another embodiment of the present invention.

[0109] Reference Figure 12 to Figure 14 According to another embodiment of the present invention, a vehicle lamp 1 may include a light emitting portion 100 and an optical portion 200 similar to the above embodiment. In another embodiment of the present invention, the same figure marks are used for the components that play the same role as the above embodiment, and detailed descriptions thereof are omitted.

[0110] In another embodiment of the present invention, the light emitting unit 100 may include a light source unit 110 and an optical path adjustment unit 120. The light source unit 110 may include multiple light sources 111, 112, 113. The optical path adjustment unit 120 may include multiple reflectors 121, 122, 123 corresponding to the multiple light sources 111, 112, 113, respectively.

[0111] At this time, the multiple light sources 111, 112, 113 and the multiple reflectors 121, 122, 123 can be composed of three respectively. This is because the optical part 200 is divided into three areas A1, A2, A3 that emit light in different directions. The number of light sources and the number of reflectors can be different according to the number of multiple areas A1, A2, A3 of the optical part 200.

[0112] In another embodiment of the present invention, similar to the above embodiment, a case is described as follows: a plurality of regions A1, A2, A3 are arranged in the up and down direction and the size of each of the plurality of regions A1, A2, A3 gradually decreases from the upper side to the lower side.

[0113] Multiple light sources 111, 112, and 113 can be arranged along the direction in which multiple areas A1, A2, and A3 of the optical portion 200 are arranged. Multiple light sources 111, 112, and 113 can be located on the side of the optical portion 200 and generate light in the left and right directions, so that the light generated from the multiple light sources 111, 112, and 113 can be respectively reflected by the multiple reflectors 121, 122, and 123 and travel to the optical portion 200.

[0114] Multiple reflectors 121, 122, and 123 can be formed to have sizes corresponding to the sizes of multiple areas A1, A2, and A3 of the optical portion 200. In another embodiment of the present invention, the case where the sizes of multiple areas A1, A2, and A3 gradually decrease from the upper side to the lower side is used as an example for explanation. Therefore, the multiple reflectors 121, 122, and 123 are also explained by taking the case where the sizes gradually decrease from the upper side to the lower side as an example.

[0115] At this time, making the size of the multiple reflectors 121, 122, and 123 gradually decrease from the upper side to the lower side is only an example to help understand the present invention, and is not limited to this. The size of each of the multiple areas A1, A2, and A3 can be changed in various ways according to the position where the light emitted from the multiple areas A1, A2, and A3 of the optical part 200 is irradiated (that is, the distance from the vehicle to the light irradiated). Therefore, the size of the multiple reflectors 121, 122, and 123 can also be changed in various ways.

[0116] As described above, when the light emitting unit 100 is composed of multiple light sources 111, 112, 113 and multiple reflectors 121, 122, 123, not only can the multiple light sources 111, 112, 113 be turned on or off at the same time, but the multiple light sources 111, 112, 113 can also be turned on or off in sequence.

[0117] That is, when the plurality of light sources 111, 112, and 113 are sequentially turned on or off, the Fig.10 The multiple pattern images P1, P2, and P3 of the light irradiation pattern are sequentially lit or extinguished according to a preset order, thereby forming a more diverse light irradiation pattern.

[0118] In another embodiment of the present invention, the optical path adjustment unit 120 is constructed by using multiple reflectors 121, 122, and 123 as an example, but it is not limited to this. Similar to the above embodiment, the optical path adjustment unit 120 can use various types of collimating lenses such as aspheric lenses, Fresnel lenses, total internal reflection (TIR: Total Internal Reflection) lenses, etc., and they can also be mixed.

[0119] In addition, in another embodiment of the present invention, the case where the sizes of the plurality of areas A1 , A2 , and A3 gradually decrease from the upper side to the lower side is described as an example, but the opposite situation may also be possible.

[0120] Fig.15 and Fig.16 is a perspective view showing a vehicle lamp according to another embodiment of the present invention, Fig.17 FIG. 1 is a front view showing a light emitting unit according to still another embodiment of the present invention.

[0121] Reference Figures 15 to 17 According to another embodiment of the present invention, a vehicle lamp 1 may include a light emitting portion 100 and an optical portion 200 similar to the above embodiment. The same reference numerals are used for components having the same functions as those in the above embodiment, and detailed descriptions thereof are omitted.

[0122] In another embodiment of the present invention, similar to the above embodiment, the optical part 200 can be divided into a plurality of areas A1, A2, A3 arranged along the up and down directions, and the light-emitting part 100 can also include a plurality of light sources 111, 112, 113 and a plurality of reflectors 121, 122, 123 corresponding to the plurality of areas A1, A2, A3, respectively.

[0123] At this time, in another embodiment of the present invention, Figure 12 to Figure 14 On the contrary, the multiple areas A1, A2, A3 of the optical portion 200 can be formed to gradually increase in size from the upper side to the lower side, whereby the multiple reflectors 121, 122, 123 can also gradually increase in size from the upper side to the lower side. In this case, the light emitted from the area A3 located at the lowest side among the multiple areas A1, A2, A3 can be irradiated to the farthest distance from the vehicle, and the light emitted from the area A1 located at the uppermost side can be irradiated to the closest distance to the vehicle.

[0124] In the above Figures 12 to 17 In the figure, it is respectively described that the multiple areas A1, A2, and A3 gradually become larger or smaller from the upper side to the lower side, but this is only an example to help understand the present invention and is not limited to this. In the case where the area where the light irradiated from the vehicle to the farthest distance among the multiple areas A1, A2, and A3 is emitted is formed to have a larger size than the remaining area, the size of each of the multiple areas A1, A2, and A3 can be changed in various ways.

[0125] In addition, in the above Figures 12 to 17 In the description, an example is given in which the sizes of the multiple reflectors 121, 122, 123 are made different from each other according to the sizes of the multiple areas A1, A2, A3 of the optical portion 200, so that the pattern images P1, P2, P3 formed by the light emitted from the multiple areas A1, A2, A3 of the optical portion 200 have uniform brightness. However, this is not limited to this. Even if the sizes of the multiple areas A1, A2, A3 of the optical portion 200 and the multiple reflectors 121, 123, 123 are the same, the pattern images P1, P2, P3 formed by the light emitted from each of the multiple areas can have uniform brightness by making the brightness of the light generated by the light sources corresponding to the multiple reflectors 121, 122, 123 from the multiple light sources different.

[0126] As described above, the vehicle lamp 1 of the present invention can form a plurality of pattern images at different distances from the vehicle without separately providing an optical system for forming each of the plurality of pattern images, thereby simplifying the configuration and reducing costs.

[0127] It is understood by those with ordinary knowledge in the technical field to which the present invention belongs that the present invention can be implemented in other specific forms without changing its technical ideas or essential features. Therefore, the embodiments described above should be understood to be exemplary in all aspects, rather than restrictive. The scope of the present invention is represented by the scope of the claims, rather than the above detailed description, and should be interpreted as all changes or deformations derived from the meaning and scope of the scope of the claims and their equivalent concepts are included in the scope of the present invention.

Claims

1. A vehicle lamp, comprising: Luminous part; as well as an optical part located in front of the light emitting part and causing the light incident from the light emitting part to be emitted through a plurality of optical modules including an incident lens and an emission lens, respectively, so as to form a predetermined light irradiation pattern, Wherein, the light emitting unit comprises: multiple light sources; and a plurality of reflectors for causing the plurality of lights generated from each of the plurality of light sources to be incident on a plurality of mutually different regions of the optical portion, The optical unit causes the plurality of lights incident on the plurality of different regions to be emitted from the plurality of different regions so as to form the predetermined light irradiation pattern on the road surface. The predetermined light irradiation pattern includes a plurality of pattern images irradiated onto a road surface, the plurality of pattern images having different distances from the vehicle from each other, wherein the plurality of regions are arranged in an up-down direction and have sizes different from each other according to the distance to which the light is irradiated from the vehicle, The area where light forming a pattern image located at the farthest distance from the vehicle is irradiated among the plurality of areas has the largest size.

2. The vehicle lamp according to claim 1, wherein: The plurality of reflectors reflect light generated from each of the plurality of light sources such that the light travels parallel to a line passing through a center of the optical portion in a front-rear direction.

3. The vehicle lamp according to claim 1, wherein: The plurality of reflectors have sizes different from each other.

4. The vehicle lamp according to claim 1, wherein: The plurality of regions have sizes different from each other, Each of the plurality of reflectors has a size of a corresponding region of the plurality of regions.

5. The vehicle lamp according to claim 1, wherein: The region located at the uppermost side or the lowermost side among the plurality of regions irradiates light to the farthest distance from the vehicle.

6. The vehicle lamp according to claim 1, wherein: Among the plurality of optical modules, directions in which light is emitted from the optical modules belonging to each of the plurality of regions have tilt angles different from each other with respect to a horizontal direction.

7. The vehicle lamp according to claim 6, wherein: In the plurality of regions, the angle at which the light is emitted relative to the horizontal direction becomes smaller as the light is irradiated to the region farther from the vehicle.

8. The vehicle lamp according to claim 1, wherein: Each of the plurality of light sources is located at a side of the plurality of reflectors and generates light in left and right directions.

9. The vehicle lamp according to claim 1, wherein: The multiple light sources are turned on or off at the same time.

10. The vehicle lamp according to claim 1, wherein: The plurality of light sources are turned on or off in sequence.

11. The vehicle lamp according to claim 1, wherein: At least one of the plurality of light sources generates light having a brightness different from that of the remaining light sources.

Images