Wall washer

Abstract

Provided in the present invention is a wall washer, comprising: a plurality of lighting modules arranged in a first direction, wherein each lighting module has a first side and comprises a first lighting unit and a second lighting unit which are arranged adjacent to each other, the first side being configured to be adjacent to a wall surface; the first lighting unit is provided with a first light source module and a first reflecting surface, the first light source module being located in a top area of the first reflecting surface, and the first reflecting surface being arranged toward the first side; and the second lighting unit is provided with a second light source module and a second reflecting surface, the second light source module being located in a top area of the second reflecting surface, and the second reflecting surface being arranged toward the first side. Moreover, the color and / or color temperature of light emitted by the second light source module are / is different from that of light emitted by the first light source module, and the first reflecting surface and the second reflecting surface are both arc surfaces that are recessed away from the first side, with a second slope being smaller than a first slope.

Description

Wall washer lights

[0001] Cross-references

[0002] This application claims priority to two Chinese patent applications filed on July 8, 2024, with application number 202410911934.4 entitled "Wall Washer Lamp" and application number 202421605714.0 entitled "Wall Washer Lamp", the entire contents of which are incorporated herein by reference. Technical Field

[0003] This invention relates to the field of lighting, and more particularly to a wall washer light. Background Technology

[0004] Traditional wall washer lights are mainly used to illuminate walls, enabling them to achieve a certain illuminance value and uniformity. However, with the widespread use of wall washer lights, customers not only need them to meet the simple illumination function, but also demand a variety of light colors and color temperatures.

[0005] In view of this, there is an urgent need to provide a wall washer light that can simultaneously emit light of different colors and color temperatures onto a wall surface. Summary of the Invention

[0006] The present invention provides a wall washer light, with a length direction as a first direction, a depth direction as a second direction, and a height direction as a third direction. It includes: a plurality of lighting modules arranged along the first direction, each lighting module having a first side; and each lighting module including adjacent first lighting units and second lighting units. Light emitted from the first lighting units of the plurality of lighting modules forms a first illumination area, and light emitted from the second lighting units of the plurality of lighting modules forms a second illumination area. The first illumination area is at least partially higher than the second illumination area, and the first side is configured to be adjacent to a wall surface. The first lighting unit includes a first light source module and a first reflective surface. The first light source module is located in the top region of the first reflective surface. The first illumination unit is positioned facing the first side; the second illumination unit includes a second light source module and a second reflective surface. The second light source module is located in the top region of the second reflective surface, which faces the first side. The second light source module emits light of a different color and / or color temperature than the first light source module. Both the first and second reflective surfaces are concave arc surfaces facing away from the first side. The second slope is less than the first slope. The first slope refers to the slope of the line connecting the two ends of the arc projection of the first reflective surface on the depth plane, and the second slope refers to the slope of the line connecting the two ends of the arc projection of the second reflective surface on the depth plane. The depth plane is a plane formed based on the second direction and the third direction.

[0007] In one embodiment, the first light source module includes a plurality of first light sources, the second light source module includes a plurality of second light sources, and the distance between the first light source and the first reflective surface in the second direction is less than the distance between the second light source and the second reflective surface in the second direction.

[0008] In one embodiment, the first lighting unit is further provided with a third reflective surface, which is connected to the bottom of the first reflective surface and is inclined toward the first side.

[0009] In one embodiment, the device further includes: a housing having a first receiving groove and a second receiving groove, the first receiving groove and the second receiving groove being disposed adjacent to each other; the first lighting unit being fixed in the first receiving groove and the second lighting unit being fixed in the second receiving groove; the first lighting unit includes a first reflector, the first reflector including a first reflecting surface, the third reflecting surface and the fourth reflecting surface, the first reflecting surface and the fourth reflecting surface being disposed opposite to each other, the fourth reflecting surface being an arc surface concave towards the first side; the second lighting unit includes a second reflector, the second reflector including a second reflecting surface and a fifth reflecting surface, the second reflecting surface and the fifth reflecting surface being disposed opposite to each other, the fifth reflecting surface being an arc surface concave towards the first side, and the fifth slope being greater than the fourth slope, the fourth slope being the slope of the line connecting the two ends of the arc projection of the fourth reflecting surface on the depth plane, and the fifth slope being the slope of the line connecting the two ends of the arc projection of the fifth reflecting surface on the depth plane.

[0010] In one embodiment, the bottom end of the fourth reflective surface is higher than the bottom end of the third reflective surface.

[0011] In one embodiment, the first reflector includes a first reflective portion, a fourth reflective portion, a third reflective portion, and a first reflective limiting portion. The first reflective portion and the fourth reflective portion are arranged along the second direction. The third reflective portion extends obliquely from the first reflective portion toward the first side. The first reflective limiting portion extends from the bottom edge of the second reflective portion toward the first side. The first reflective surface is located on the surface of the first reflective portion, the fourth reflective surface is located on the surface of the fourth reflective portion, and the third reflective surface is located on the surface of the third reflective portion. The first illumination unit further includes a first light-transmitting panel disposed at the bottom of the first reflector. The first light-transmitting panel has a first light-transmitting limiting portion and a second light-transmitting limiting portion extending toward the bottom of the first receiving groove connected to its two sides along the second direction. The top end of the first light-transmitting limiting portion is limited in engagement with the first reflective limiting portion. The surface of the second light-transmitting limiting portion facing the first side is a limiting inclined surface adapted to the third reflective portion. The bottom end of the third reflective portion is limited in engagement with the surface of the first light-transmitting panel facing the first reflector. The surface of the third reflective portion facing away from the first side is limited in engagement with the limiting inclined surface.

[0012] In one embodiment, the surface of the first light-transmitting panel facing away from the first reflector is a first light-emitting surface, which is also the light-emitting surface of the first illumination unit, and a first microstructure is formed on the first light-emitting surface; the second illumination unit further includes: a second light-transmitting panel disposed at the bottom of the second reflector, the surface of the second light-transmitting panel facing away from the second reflector being a second light-emitting surface, which is also the light-emitting surface of the second illumination unit, and a second microstructure is formed on the second light-emitting surface.

[0013] In one embodiment, a first lighting unit and a second lighting unit in the same lighting module are arranged along the second direction, with the first lighting unit being closer to the first side than the second lighting unit; the number of the first light source and the second light source are the same; and grilles are provided between adjacent first light source modules and between adjacent second light source modules.

[0014] In one embodiment, a first lighting unit and a second lighting unit in the same lighting module are arranged along the first direction; the number of the first light source is less than the number of the second light source, and the length of the first lighting unit along the first direction is less than the length of the second lighting unit along the first direction; a grille is provided between adjacent first light source modules and second light source modules.

[0015] In one embodiment, the first light source module includes a plurality of first light sources, each of which includes four LED beads of different colors; the second light source module includes a plurality of second light sources, each of which includes four LED beads of different colors. Attached Figure Description

[0016] Figure 1 is a three-dimensional structural schematic diagram of a wall washer light according to an embodiment of the present invention;

[0017] Figures 2 and 3 are half-sectional schematic diagrams of a mirror module according to an embodiment of the present invention;

[0018] Figure 4 is a schematic diagram of the optical path according to an embodiment of the present invention;

[0019] Figure 5 is a partial bottom view of a wall washer light according to an embodiment of the present invention;

[0020] Figure 6 is a schematic diagram of the light effect of a wall washer lamp according to an embodiment of the present invention;

[0021] Figures 7 and 8 are perspective structural diagrams of a wall washer light according to another embodiment of the present invention;

[0022] Figure 9 is a partial bottom view of a wall washer light according to another embodiment of the present invention.

[0023] Explanation of reference numerals in the attached drawings: 10, 40 - Illumination module; 11 - First side; 12 - Second side; 100, 300 - First illumination unit; 110, 310 - First light source module; 111 - First light source; 120 - First reflector; 121 - First reflective part; 1211 - First reflective surface; 122 - Fourth reflective part; 1221 - Fourth reflective surface; 123 - Third reflective part; 1231 - Third reflective surface; 124 - First reflective limiting part; 130, 330 - First light-transmitting panel; 131 - First light-transmitting limiting part; 132 - Second light-transmitting limiting part; 200, 400 - Second illumination unit; 21 0, 410 - Second light source module; 211 - Second light source; 220 - Second reflector; 221 - Second reflective part; 2211 - Second reflective surface; 222 - Fifth reflective part; 2221 - Fifth reflective surface; 230, 430 - Second light-transmitting panel; 20 - Housing; 21 - First receiving slot; 22 - Second receiving slot; 30, 50 - Grille; X - First direction; Y - Second direction; Z - Third direction; I - First illumination area; II - Second illumination area. Detailed Implementation

[0024] To make the objectives, features, and beneficial effects of the present invention more apparent and understandable, specific embodiments of the present invention will be described in detail below with reference to the accompanying drawings.

[0025] It should be understood that the described embodiments are merely some embodiments of the present invention, and not all embodiments of the present invention. All other embodiments obtained by those skilled in the art based on the embodiments of the present invention without inventive effort are within the scope of protection of the present invention.

[0026] This invention provides a wall washer light, wherein the length direction of the wall washer light is defined as the first direction X, the depth direction of the wall washer light is defined as the second direction Y, and the height direction of the wall washer light is defined as the third direction Z.

[0027] Preferably, the wall washer light is configured to be mounted on the ceiling.

[0028] The embodiments of the present invention will be described in detail below with reference to the accompanying drawings.

[0029] Figure 1 is a three-dimensional structural schematic diagram of a wall washer light according to an embodiment of the present invention. Figures 2 and 3 are half-sectional schematic diagrams of the illumination module according to an embodiment of the present invention. Figure 4 is a schematic diagram of the light path according to an embodiment of the present invention. Figure 5 is a partial bottom view of a wall washer light according to an embodiment of the present invention. Figure 6 is a schematic diagram of the light effect of a wall washer light according to an embodiment of the present invention. In Figure 4, the light rays are represented by dashed lines with arrows.

[0030] Please refer to Figures 1 to 6. The wall washer light includes: a plurality of lighting modules 10, which are arranged along a first direction X, and the lighting modules 10 have a first side 11 and a second side 12 facing away from each other.

[0031] The first side 11 is configured to be adjacent to the wall.

[0032] The lighting module 10 includes a first lighting unit 100 and a second lighting unit 200 arranged adjacent to each other.

[0033] The light emitted by the first lighting unit 100 of the multiple lighting modules 10 forms a first illumination area I, and the light emitted by the second lighting unit 200 of the multiple lighting modules 10 forms a second illumination area II. The first illumination area I is at least partially higher than the second illumination area II, thereby forming light spots on different areas of the wall by the first lighting unit 100 and the second lighting unit 200 of the multiple lighting modules 10, respectively. Specifically, the light spot formed by the first lighting unit 100 on the wall is at the top, and the light spot formed by the second lighting unit 200 on the wall is at the bottom.

[0034] Preferably, the lower region of the first illumination zone I and the upper region of the second illumination zone II at least partially overlap, thereby forming an overlapping light spot region on the wall surface.

[0035] The first lighting unit 100 includes a first light source module 110 and a first reflective surface 1211.

[0036] The first light source module 110 is located in the top region of the first reflective surface 1211. The first reflective surface 1211 is disposed facing the first side 11 and is a concave arc surface facing away from the first side 11.

[0037] The second lighting unit 200 includes: a second light source module 210 and a second reflective surface 2211.

[0038] The second light source module 210 is located in the top region of the second reflective surface 2211. The second reflective surface 2211 is positioned facing the first side 11 and is a concave arc surface facing away from the first side 11.

[0039] The second light source module 210 emits light of a different color and / or color temperature than the first light source module 110, and the second slope is less than the first slope.

[0040] The first slope refers to the slope of the line L1 connecting the two ends of the arc projection of the first reflecting surface 1211 on the depth plane (as shown in Figure 3), and the second slope refers to the slope of the line L2 connecting the two ends of the arc projection of the second reflecting surface 2211 on the depth plane (as shown in Figure 3).

[0041] The depth plane is the plane formed along the height and depth directions of the wall washer light.

[0042] Since the second slope is less than the first slope in the first lighting unit 100 and the second lighting unit 200 of each lighting module 10, the light emitted by the first light source module 110 and the light emitted by the second lighting unit 200 can be controlled respectively. The light from the first lighting unit 100 is deflected more onto the upper half of the wall, and the light from the second lighting unit 200 is deflected more onto the lower half of the wall. This allows the multiple lighting modules 10 arranged along the first direction X to form two illumination zones with different heights (i.e., the first illumination zone I and the second illumination zone II). As a result, a higher upper light spot and a lower lower light spot can be formed on the wall. At the same time, since the color and / or color temperature of the light emitted by the second light source module 210 is different from that of the first light source module 110, the color and / or color temperature of the light in the upper light spot and the lower light spot are different. Thus, with a simple structure, different colors and different color temperatures of light can be simultaneously illuminating the wall.

[0043] Furthermore, by adjusting the first slope, the second slope, the curvature of the first reflective surface 1211, and the curvature of the second reflective surface 2211, the lower regions of the first illumination area I and the second illumination area II and the upper regions of the second illumination area II can partially overlap. Thus, the lower half of the upper light spot and the upper half of the lower light spot can overlap, thereby increasing the color and / or color temperature of the light illuminating the wall. This allows for the simultaneous illumination of multiple different colors and color temperatures on the wall, resulting in a better wall washing effect. In particular, it achieves a better color contrast effect when the colors are different.

[0044] Furthermore, the first light source module 110 and the second light source module 210 are located at the same height.

[0045] Furthermore, the first light source module 110 includes a plurality of first light sources 111, the second light source module 210 includes a plurality of second light sources 211, and the distance between the first light source 111 and the first reflecting surface 1211 in the second direction Y is less than the distance between the second light source 211 and the second reflecting surface 2211 in the second direction Y.

[0046] In other words, compared to the distance between the second light source 211 and the second reflective surface 2211, the first light source 111 is closer to the first reflective surface 1211. Therefore, the light emitted by the first light source 111 is deflected by the first reflective surface 1211 at a larger angle, concentrating more light on the upper half of the wall. Correspondingly, the light emitted by the second light source 211 is deflected by the second reflective surface 2211 at a smaller angle, concentrating more light on the lower half of the wall. This results in a better formation of a higher upper light spot and a lower lower light spot on the wall.

[0047] In this embodiment, the first lighting unit 100 and the second lighting unit 200 in the same lighting module 10 are arranged along the second direction Y, and the first lighting unit 100 is closer to the first side 11 than the second lighting unit 200.

[0048] Since the first lighting unit 100 and the second lighting unit 200 in the same lighting module 10 are arranged along the second direction Y, more first light sources 111 and second light sources 211 can be used in a wall washer light of a certain length. For wall washer lights whose length is easily limited, multiple first light sources 111 and multiple second light sources 211 can provide illumination with a higher upper limit of brightness. Thus, on the basis of ensuring brightness, by adjusting the power of multiple first light sources 111 at the near end and the power of multiple second light sources 211 at the far end, that is, making the power of the second light source 211 greater than that of the first light source 111, the brightness uniformity between the first illumination area I and the second illumination area II can be achieved, thereby making the brightness uniformity of the light spot on the entire wall surface good.

[0049] In addition, grilles 30 are provided between adjacent first light source modules 110 and between adjacent second light source modules 210. By providing grilles 30 between adjacent first light source modules 110 and between adjacent second light source modules 210, glare can be reduced.

[0050] Furthermore, the first lighting unit 100 and the second lighting unit 200 have the same length in the first direction X, and the number of the first light source 111 and the second light source 211 is the same.

[0051] In another embodiment, referring to Figures 7 to 9, the first lighting unit 300 and the second lighting unit 400 in the same lighting module 40 are arranged along a first direction X. This results in a smaller depth dimension and a lighter weight for the luminaire.

[0052] In addition, a grille 50 is provided between adjacent first light source module 310 and second light source module 410, which helps to reduce glare.

[0053] It should be noted that, for ease of explanation and understanding, the outer casing of the wall washer light, the first light-transmitting panel 330 and the second light-transmitting panel 430 in another embodiment are not shown in Figure 7, while Figure 8 schematically shows the first light-transmitting panel 330 and the second light-transmitting panel 430.

[0054] Furthermore, the length of the first lighting unit 300 along the first direction X is less than the length of the second lighting unit 400 along the first direction X, and in the same lighting module 40, the number of first light sources is less than the number of second light sources.

[0055] Since the distance between the first light source and the first reflective surface in the second direction Y is less than the distance between the second light source and the second reflective surface in the second direction Y, and because the second light source is farther from the wall than the first light source, the brightness of a single second light source illuminating the wall is likely to be lower than that of the first light source. Therefore, by making the number of second light sources greater than the number of first light sources, the brightness can be made uniform between the first illumination area I and the second illumination area II, thereby making the brightness uniformity of the light spot on the entire wall surface good.

[0056] Specifically, the first lighting unit 100 includes a first light source module 110 and a first reflector 120.

[0057] Specifically, the first reflector 120 is an electroplated reflector that forms a stretched structure in the first direction X.

[0058] In some embodiments, the first light source 111 includes four LED beads of different colors.

[0059] By mixing and modulating the four LEDs, such as through PWM dimming, each first light source 111 can emit light that meets the target color, color temperature, and brightness.

[0060] The colors of the LEDs in the first light source 111 can be blue, green, red and yellow, or blue, green, orange and white, etc. The colors of the LEDs in the first light source 111 can be configured according to the light mixing requirements.

[0061] Furthermore, each first light source 111 in the same first light source module 110 can be controlled uniformly or separately. This allows for the fulfillment of a wider range of light control requirements.

[0062] In this embodiment, the first light source module 110 includes two sets of first light sources 111.

[0063] In some embodiments, the first reflector 120 includes a first reflective portion 121.

[0064] The first reflective surface 1211 is located on the surface of the first reflective part 121.

[0065] In some embodiments, the first reflector 120 further includes a third reflector 123.

[0066] The third reflector 123 extends obliquely from the first reflector 121 toward the first side 11. Correspondingly, the first lighting unit 110 also has a third reflective surface 1231 located on the surface of the third reflector 123. The third reflective surface 1231 is connected to the bottom of the first reflective surface 1211 and is obliquely toward the first side 11. This better helps the first lighting unit 110 deflect more light onto the upper half of the wall.

[0067] In some embodiments, the first reflector 120 further includes a fourth reflector 122.

[0068] The first reflective portion 121 and the fourth reflective portion 122 are arranged along the second direction Y. Correspondingly, the first illumination unit 110 is also provided with a fourth reflective surface 1221 located on the surface of the fourth reflective portion 122. The fourth reflective surface 1221 is disposed opposite to the first reflective surface 1211, wherein the fourth reflective surface 1221 is an arc surface that is concave toward the first side 11.

[0069] In some embodiments, the bottom end of the fourth reflective surface 1221 is higher than the bottom end of the third reflective surface (1231), thereby reducing the obstruction of light emitted after being deflected by the first reflective surface 1211, which helps to concentrate more light on the upper half of the wall.

[0070] Preferably, the bottom end of the fourth reflective surface 1221 is flush with the bottom end of the first reflective surface 1211.

[0071] In some embodiments, the first reflector 120 further includes a first reflective limiting portion 124.

[0072] The first reflective limiting part 124 extends from the bottom edge of the second reflective part 122 toward the first side 11.

[0073] In some embodiments, the first lighting unit 100 further includes a first light-transmitting panel 130.

[0074] The material of the first light-transmitting panel 130 is optical-grade transparent PMMA material, transparent PC material, or optical-grade transparent material such as glass.

[0075] The first light-transmitting panel 130 is disposed at the bottom of the first reflector 120. Through the first light-transmitting panel 130, the light directly incident from the first illumination unit 100 to the bottom of the first reflector 120, as well as the light reflected by the first reflector 120 to the bottom of the first reflector 120, can be diffused, thereby making the light output of the first illumination unit 100 more uniform.

[0076] The first light-transmitting panel 130 has a first light-transmitting limiting part 131 and a second light-transmitting limiting part 132 extending toward the first reflector 120 on both sides along the second direction Y.

[0077] The top end of the first light-transmitting limiting part 131 is fitted with the first reflective limiting part 124, and the bottom end of the third reflective part 123 is fitted with the surface of the first light-transmitting panel 130 facing the first reflector 120. Furthermore, the surface of the second light-transmitting limiting part 132 facing the first side 11 is a limiting slope adapted to the third reflective part 123, and the surface of the third reflective part 123 facing away from the first side 11 is fitted with the limiting slope. Thus, the relative positions of the first reflector 120 and the first light-transmitting panel 130 are fitted in multiple directions, with the third reflective part 123 serving both limiting and reflection purposes. Moreover, the connection between the first light-transmitting panel 130 and the outer casing 30 of the wall washer light also helps to fix the first reflector 120.

[0078] In some embodiments, the surface of the first light-transmitting panel 130 facing the first reflector 120 is planar. Furthermore, the surface of the first light-transmitting panel 130 facing away from the first reflector 120 is a first light-emitting surface, which is the light-emitting surface of the first illumination unit 100. A first microstructure is formed on the first light-emitting surface. The first microstructure allows for better mixing of the light incident on the first light-transmitting panel 130, thereby further improving the uniformity of the light illuminating the wall.

[0079] Specifically, the first microstructure is an etching pattern formed on the first light-emitting surface, and the first microstructure is composed of multiple stretched microstructure serrations.

[0080] In some embodiments, the second lighting unit 200 includes a second light source module 210 and a second reflector 220.

[0081] Specifically, the second reflector 220 is an electroplated reflector that forms a stretched structure in the first direction X.

[0082] Preferably, the top of the second reflector 220 is at the same height as the top of the first reflector 120, and the bottom of the second reflector 220 is at the same height as the bottom of the first reflector 120.

[0083] In some embodiments, the second light source 211 includes four LED beads of different colors.

[0084] By mixing and modulating the four LEDs, such as through PWM dimming, each secondary light source 211 can emit light that meets the target color, color temperature, and brightness.

[0085] The LEDs in the second light source 211 can be blue, green, red, and yellow, or blue, green, orange, and white, etc. The colors of the LEDs in the second light source 211 can be configured according to the light mixing requirements. Furthermore, since the light emitted by both the first light source 111 and the second light source 211 is obtained by mixing and dimming four LEDs of different colors, the first light source 111 and the second light source 211 can be light sources with the same LEDs. By dimming and mixing the four LEDs of the first light source 111 and the four LEDs of the second light source respectively, the color and / or color temperature of the light emitted by the second light source module 210 and the first light source module 110 can be different. Of course, the first light source 111 and the second light source 211 can also use different LEDs.

[0086] Furthermore, each of the second light sources 211 in the same second light source module 210 can be controlled uniformly or separately. This allows for the fulfillment of a wider range of light control requirements.

[0087] In this embodiment, the second light source module 210 includes two sets of second light sources 211.

[0088] In some embodiments, the second reflector 220 includes a second reflective portion 221.

[0089] The second reflective surface 2211 is located on the surface of the second reflective part 221.

[0090] In some embodiments, the second reflector 220 further includes a fifth reflector 222.

[0091] The second reflector 221 and the fifth reflector 222 are arranged along the second direction Y. Correspondingly, the second illumination unit 200 is also provided with a fifth reflective surface 2221 located on the surface of the fifth reflector 222. The fifth reflective surface 2221 is disposed opposite to the second reflective surface 2211. The fifth reflective surface 2221 is an arc surface that is concave toward the first side 11, and the fifth slope is greater than the fourth slope.

[0092] The fourth slope refers to the slope of the line L4 connecting the two ends of the arc projection of the fourth reflecting surface 1221 on the depth plane (as shown in Figure 3), and the fifth slope refers to the slope of the line L5 connecting the two ends of the arc projection of the fifth reflecting surface 2221 on the depth plane (as shown in Figure 3).

[0093] Since the fifth slope is greater than the fourth slope in the first lighting unit 100 and the second lighting unit 200 of each lighting module 10, it is possible to better control the light emitted by the first light source module 110 and the light emitted by the second lighting unit 200, further deflecting the light of the first lighting unit 100 to the upper half of the wall area, and further deflecting the light of the second lighting unit 200 to the lower half of the wall area.

[0094] In some embodiments, the second lighting unit 200 further includes a second light-transmitting panel 230.

[0095] The material of the second light-transmitting panel 230 is optical-grade transparent PMMA material, transparent PC material, or optical-grade transparent material such as glass.

[0096] The second light-transmitting panel 230 is located at the bottom of the second reflector 220.

[0097] The light emitted by the second lighting unit 200 is diffused by the second light-transmitting panel 230, which allows the light directly from the second lighting unit 200 to the bottom of the second reflector 220 and the light reflected by the second reflector 220 to the bottom of the second reflector 220. As a result, the light emitted by the second lighting unit 200 is more uniform.

[0098] In some embodiments, the surface of the second light-transmitting panel 230 facing the second reflector 220 is planar. Furthermore, the surface of the second light-transmitting panel 230 facing away from the second reflector 220 is a second light-emitting surface, which is the light-emitting surface of the second illumination unit 200. A second microstructure is formed on the second light-emitting surface. The second microstructure allows for better mixing of the light incident on the second light-transmitting panel 230, thereby further improving the uniformity of the light illuminating the wall.

[0099] Specifically, the second microstructure is an etching pattern formed on the second light-emitting surface, and the second microstructure is composed of multiple stretched microstructure serrations.

[0100] In this embodiment, the wall washer light also includes a housing 20.

[0101] The housing 20 has a first receiving groove 21 and a second receiving groove 22.

[0102] The first receiving groove 21 and the second receiving groove 22 are arranged adjacent to each other. The first lighting unit 100 is fixed in the first receiving groove 21, and the second lighting unit 200 is fixed in the second receiving groove 22. Correspondingly, the first light-transmitting limiting part 131 and the second light-transmitting limiting part 132 extend toward the bottom of the first receiving groove 21.

[0103] In this embodiment, both the openings of the first receiving groove 21 and the second receiving groove 22 are provided with hooks, and the inner walls of both the first receiving groove 21 and the second receiving groove 22 are provided with protrusions. Therefore, a slot on one side or both sides can be formed on the wall of the first receiving groove 21, and a slot on one side or both sides can be formed on the wall of the second receiving groove 22. Thus, the first light-transmitting limiting part 131 can engage with the hooks at the opening of the first receiving groove 21, and at least one edge of the first light-transmitting limiting part 131 can be inserted into the slot formed on the wall of the first receiving groove 21. Based on this, in conjunction with the limiting engagement between the first light-transmitting limiting part 131 and the first reflector 120, the first light-transmitting limiting part 131 and the first reflector 120 can be more firmly fixed in the first receiving groove 21. Similarly, at least one edge of the second light-transmitting limiting part 132 can be inserted into a slot formed on the wall of the second receiving groove 22, thereby fixing the first light-transmitting limiting part 131 and the first reflector 120 in the first receiving groove 21.

[0104] While the present invention has been disclosed above, it is not limited thereto. Any person skilled in the art can make various combinations, modifications, and alterations without departing from the spirit and scope of the invention; therefore, the scope of protection of the present invention should be determined by the scope defined in the claims.

Claims

1. A wall washer light, wherein the length direction is a first direction, the depth direction is a second direction, and the height direction is a third direction, comprising: A plurality of lighting modules are arranged along the first direction, each lighting module having a first side, and each lighting module including adjacent first lighting units and second lighting units. Light emitted from the first lighting units of the plurality of lighting modules forms a first illumination area, and light emitted from the second lighting units of the plurality of lighting modules forms a second illumination area. The first illumination area is at least partially higher than the second illumination area, and the first side is configured to be adjacent to a wall surface; wherein... The first lighting unit is provided with a first light source module and a first reflective surface. The first light source module is located in the top area of ​​the first reflective surface, and the first reflective surface is arranged facing the first side. The second lighting unit is provided with a second light source module and a second reflective surface. The second light source module is located in the top region of the second reflective surface. The second reflective surface is disposed facing the first side. The light emitted by the second light source module is different in color and / or color temperature from that emitted by the first light source module. Both the first reflective surface and the second reflective surface are concave arc surfaces facing away from the first side. Furthermore, the second slope is less than the first slope. The first slope refers to the slope of the line connecting the two ends of the arc projection of the first reflective surface on the depth plane. The second slope refers to the slope of the line connecting the two ends of the arc projection of the second reflective surface on the depth plane. The depth plane is a plane formed based on the second direction and the third direction.

2. The wall washer light according to claim 1, wherein, The first light source module includes a plurality of first light sources, and the second light source module includes a plurality of second light sources. The distance between the first light source and the first reflective surface in the second direction is less than the distance between the second light source and the second reflective surface in the second direction.

3. The wall washer light according to claim 2, wherein, The first lighting unit is further provided with a third reflective surface, which is connected to the bottom of the first reflective surface and is inclined toward the first side.

4. The wall washer light according to claim 3, wherein, Also includes: The housing has a first receiving groove and a second receiving groove, which are arranged adjacent to each other. The first lighting unit is fixed in the first receiving groove and the second lighting unit is fixed in the second receiving groove. The first lighting unit includes a first reflector, which includes a first reflecting surface, a third reflecting surface, and a fourth reflecting surface. The first reflecting surface and the fourth reflecting surface are disposed opposite to each other, and the fourth reflecting surface is an arc surface that is concave towards the first side. The second illumination unit includes a second reflector, which includes a second reflecting surface and a fifth reflecting surface. The second reflecting surface and the fifth reflecting surface are disposed opposite to each other. The fifth reflecting surface is an arc surface that is concave towards the first side, and the fifth slope is greater than the fourth slope. The fourth slope refers to the slope of the line connecting the two ends of the arc projection of the fourth reflecting surface on the depth plane, and the fifth slope refers to the slope of the line connecting the two ends of the arc projection of the fifth reflecting surface on the depth plane.

5. The wall washer light according to claim 4, wherein, The bottom of the fourth reflective surface is higher than the bottom of the third reflective surface.

6. The wall washer light according to claim 5, wherein, The first reflector includes a first reflective portion, a fourth reflective portion, a third reflective portion, and a first reflective limiting portion, wherein the first reflective portion and the fourth reflective portion are arranged along the second direction, the third reflective portion extends obliquely from the first reflective portion toward the first side, the first reflective limiting portion extends from the bottom edge of the second reflective portion toward the first side, and the first reflective surface is located on the surface of the first reflective portion, the fourth reflective surface is located on the surface of the fourth reflective portion, and the third reflective surface is located on the surface of the third reflective portion; The first lighting unit further includes: a first light-transmitting panel disposed at the bottom of the first reflector, wherein the first light-transmitting panel is connected to a first light-transmitting limiting part and a second light-transmitting limiting part extending toward the bottom of the first receiving groove along both sides of the first light-transmitting panel in the second direction, the top end of the first light-transmitting limiting part is limited and engaged with the first reflective limiting part, the surface of the second light-transmitting limiting part facing the first side is a limiting inclined surface adapted to the third reflective part, the bottom end of the third reflective part is limited and engaged with the surface of the first light-transmitting panel facing the first reflector, and the surface of the third reflective part facing away from the first side is limited and engaged with the limiting inclined surface.

7. The wall washer light according to claim 6, wherein, The surface of the first light-transmitting panel facing away from the first reflector is the first light-emitting surface, which is the light-emitting surface of the first illumination unit, and a first microstructure is formed on the first light-emitting surface. The second lighting unit further includes: a second light-transmitting panel disposed at the bottom of the second reflector, the surface of the second light-transmitting panel facing away from the second reflector being a second light-emitting surface, the second light-emitting surface being the light-emitting surface of the second lighting unit, and a second microstructure being formed on the second light-emitting surface.

8. The wall washer light according to any one of claims 2-7, wherein, The first lighting unit and the second lighting unit in the same lighting module are arranged along the second direction, with the first lighting unit being closer to the first side than the second lighting unit; The number of the first light source and the second light source are the same; A grille is provided between adjacent first light source modules and between adjacent second light source modules.

9. The wall washer light according to any one of claims 2-7, wherein, The first and second lighting units in the same lighting module are arranged along the first direction; The number of the first light source is less than the number of the second light source, and the length of the first lighting unit along the first direction is less than the length of the second lighting unit along the first direction; A grille is provided between adjacent first light source modules and second light source modules.

10. The wall washer light according to any one of claims 1-7, wherein, The first light source module includes several first light sources, each of which includes four LED beads of different colors. The second light source module includes several second light sources, each of which includes four LED beads of different colors.

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