High beam module for motor vehicle having upwardly directed light source

Abstract

The invention relates to a lighting module (102) comprising: at least one light source (104) capable of emitting light upwards; a light collector (106) having at least one reflective surface (106.1) configured to collect and reflect light emitted by the at least one light source (104) as a light beam reflected along an optical axis (110); a projection lens (108) for projecting the reflected light beam as a projected light beam; wherein the at least one reflective surface (106.1) is configured such that the reflected light beam irradiates an incident surface (108.1) of the projection optical unit (108) as far as an upper edge (108.3) and / or a lower edge (108.4) of the incident surface.

Description

Technical Field

[0001] The present invention relates to the technical field of lighting, and more particularly to the technical field of automotive lighting. Background Art

[0002] The published patent document WO 2020 / 025171 A1 discloses an automotive lighting module that basically includes an LED light source that emits light upward, a collector having a reflective surface with an elliptical profile configured to collect light emitted by the light source and reflect it toward a projection lens, and the projection lens is configured to image the reflective surface illuminated by the light source. To this end, the projection lens includes a focal point that is located on or near the reflective surface, preferably near the rear edge of the reflective surface, in such a way that the rear edge is clearly imaged, thereby forming an upper cut-off. The resulting illumination beam enables the execution of a low-beam type lighting function.

[0003] The published patent document FR 3 093 789 A1 discloses a dual lighting module that includes a first lighting module according to the principle of the above-mentioned document WO 2020 / 025171 A1 and a second lighting module that is also based on the same principle but is opposite to the first lighting module. Thus, the light source of the second lighting module emits light downward, and the projection lens then images the reflective surface illuminated from the opposite direction compared to the first lighting module, thereby generating an illumination beam with a lower horizontal cut-off, and the illumination beam with the lower horizontal cut-off supplements the illumination beam with the upper horizontal cut-off from the first lighting module to create a "high-beam" type lighting function. This combination of lighting modules is advantageous for generating both low-beam and high-beam lighting functions, but may have the drawback of being vertically bulky due to the superposition of the two lighting modules (in this case, opposite to each other). Summary of the Invention

[0004] The object of the present invention is to alleviate at least one of the drawbacks of the above-mentioned prior art. More specifically, the object of the present invention is to propose a lighting module that is capable of generating an illumination beam compatible with a lighting function without an upper cut-off and is vertically compact.

[0005] The present invention relates to a lighting module, which includes:

[0006] - An optical axis;

[0007] - At least one light source capable of emitting light along a main illumination axis that points upward when the lighting module is in an operating position;

[0008] - A light collector having at least one reflective surface configured to collect and reflect light rays emitted by at least one light source into a reflected light beam that is reflected along an optical axis;

[0009] - Projection optics that project the reflected light beam into a projected light beam;

[0010] It should be noted that at least one reflective surface is configured such that the reflected light beam irradiates the incident surface of the projection optics up to the upper edge and / or the lower edge of the incident surface; and the projection optics includes a focal point that is located along the optical axis behind at least one reflective surface.

[0011] These measures are configured such that at least one reflective surface irradiated by light rays is imaged less horizontally than vertically. Thus, the present invention utilizes this special feature by irradiating the incident surface of the projection optics up to the upper edge and / or up to the lower edge of the incident surface of the projection optics. Moreover, the fact that the focal point of the projection lens is located behind the light collector enables at least one irradiated reflective surface to be imaged less clearly, thereby redistributing the light rays vertically such that the light rays from the front region and the rear region of at least one reflective surface become vertically closer together.

[0012] Advantageously, the projection optics is a projection lens. Alternatively, the projection optics can be formed by at least one mirror.

[0013] According to an advantageous embodiment of the present invention, the light rays reflected along the optical axis by the front portion of at least one reflective surface reach a region adjacent to the upper edge on the incident surface, and / or the light rays reflected along the optical axis by the rear portion of at least one reflective surface reach a region adjacent to the lower edge on the incident surface.

[0014] According to an advantageous embodiment of the present invention, at least one reflective surface has a hyperbolic profile in a vertical plane defined by the optical axis and the main irradiation axis, where a first focal point is located at at least one light source, and a second focal point that is a virtual focal point is located behind the light collector. The reflective surface can then have a hyperbolic profile in a horizontal plane extending perpendicular to the main irradiation axis. Alternatively, the reflective surface can have an elliptical profile in a horizontal plane extending perpendicular to the main irradiation axis, thereby allowing the reflected light beam to converge in the horizontal plane while the reflected light beam diverges in the vertical plane.

[0015] According to an advantageous embodiment of the present invention, the second focal point of at least one reflective surface is located at a distance along the optical axis from the first focal point of at least one reflective surface, and this distance is greater than or equal to the distance along the optical axis between the first focal point and the incident surface of the projection optics.

[0016] According to an advantageous embodiment of the invention, at least one reflecting surface has an elliptical profile, wherein a first focus is located at at least one light source and a second focus is located in front of the entrance surface of the projection optical device.

[0017] According to an advantageous embodiment of the invention, when the lighting module is in the operating position, the second focus of at least one reflecting surface, which is located in front of the projection optical device, forms a vertically oriented curve.

[0018] According to an advantageous embodiment of the invention, the projection optical device has a vertical optical power and a horizontal optical power, the horizontal optical power being zero or less than the vertical optical power. Advantageously, the horizontal optical power is less than 50% of the vertical optical power.

[0019] Advantageously, the projection beam forms, in particular in part, a motor vehicle lighting beam of the high beam type.

[0020] The invention also relates to a lighting device for a motor vehicle, the lighting device comprising: a first lighting module configured to project a first beam having an upper horizontal cut-off, for example for a function of the low beam type; and a second lighting module configured to project a second beam which, together with the first beam, forms at least in part a lighting function of the high beam type; it being noted that the second module is a module according to the invention.

[0021] According to an advantageous embodiment of the invention, the first lighting module comprises at least one light source arranged on a mounting plate and a collector having at least one reflecting surface configured to collect and reflect the light rays emitted by said at least one light source as a first reflected beam; at least one light source of the second lighting module is arranged on the mounting plate and is directed in the same direction as at least one source of the first lighting module.

[0022] The measures of the invention are advantageous because they make it possible to produce lighting modules capable of producing a beam which, together with one or more beams having an upper horizontal cut-off, forms a lighting function without an upper horizontal cut-off, in particular an adjusted motor vehicle lighting function of the "high beam" type, which lighting modules are vertically compact, in particular when combined with other lighting modules forming one or more beams having an upper horizontal cut-off. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 is a schematic sectional depiction of a lighting module according to the prior art;

[0024] Figure 2 depicts an image of the beam produced by the Figure 1 lighting module;

[0025] ​​​Figure 3 is a schematic cross-sectional depiction of an illumination module according to a first embodiment of the present invention;

[0026] Figure 4 depicts an image of a light beam generated by the Figure 3 illumination module;

[0027] Figure 5 is a schematic cross-sectional depiction of an illumination module according to a second embodiment of the present invention;

[0028] Figure 6 depicts an image of a light beam generated by the Figure 5 illumination module;

[0029] Figure 7 is a three-dimensional schematic depiction of an illumination module according to the present invention. DETAILED DESCRIPTION

[0030] In the following description, concepts of relative position and orientation indicated by terms such as "top", "bottom", "front", "rear", "upper", and "lower" should be understood when the illumination device or module is in the operating position as shown in the respective figures.

[0031] Figure 1 and Figure 2 shows an illumination module according to the prior art.

[0032] Figure 1 ​​​​is a schematic cross-sectional depiction of an illumination module according to the prior art. The illumination module 2 includes a light source 4 of the LED type having light-emitting diodes, which illuminates a space defined by a plane corresponding to the diffusion (in this case, horizontal diffusion) of the light source and is directed upward in the main illumination direction 4.1 perpendicular to said plane. The illumination module 2 further includes a collector 6 provided with a reflecting surface 6.1, which forms a cavity capable of collecting and reflecting the light rays directly emitted by the light source 4. The illumination module 2 also includes a projection lens 8 perpendicular to the optical axis 10 of the illumination module. For the sake of simplicity, the light source 4 is aligned with the optical axis 10, and it should always be understood that the light source can be located at a certain distance from the optical axis 10. The reflecting surface 6.1 has an elliptical contour that exhibits rotational symmetry around the optical axis 10 of more than 180° or less, where the first focus 6.1.1 is located at the light source 4 and the second focus 6.1.2 is located on the incident surface 8.1 of the projection lens 8 opposite to the exit surface 8.2. The projection lens includes a focus 8.3 located at the intersection of the optical axis 10 and the reflecting surface 6.1. The projection lens 8 has a diopter or optical power corresponding to the reciprocal of the focal length (i.e., the distance between the projection lens 8 and the focus 8.3) in all directions perpendicular to the optical axis 10, such that the part of the reflecting surface 6.1 located at the focus 8.3 can be fully imaged. The remaining part of the reflecting surface 6.1 is also imaged, but with less sharpness according to its distance from the focus 8.3. For this purpose, the projection lens 8 has an incident surface 8.1 and an exit surface 8.2 that have curvature in the horizontal and vertical planes.

[0033] Figure 2 Graphically shows the image of the light beam projected by the Figure 1 illumination module in the form of an outline of equal luminous intensity (commonly referred to as an isophote curve) in the H-V orthonormal reference system, where H corresponds to the horizontal axis and V corresponds to the vertical axis. The intersection of the axis H and the axis V corresponds to the optical axis 10. The luminous image has an appearance that actually corresponds to the reflecting surface 6.1 illuminated by the light source 4 ( Figure 1 ), but inverted. The upper central part of the luminous image corresponds to the part of the reflecting surface 6.1 located at the focus 8.3 ( Figure 1 ) and thus forms a horizontal cut-off, while the lower part of the luminous image corresponds to the part of the reflecting surface 6.1 located at the front edge of the reflecting surface and generally does not form a clear cut-off.

[0034] Figure 2 The shown luminous image is not suitable for complementing a luminous image with an upper horizontal cut-off corresponding to an illumination function of the "low beam" type in order to form an illumination function of the "high beam" type due to its shape and the difference in its sharpness.

[0035] Figure 3 andFigure 4 A lighting module according to a first embodiment of the present invention is shown.

[0036] Figure 3 is a schematic cross-sectional view of a lighting module according to a first embodiment of the present invention. Figure 1 Reference numerals in the lighting module of FIG. 1 are used to denote those elements which are identical or corresponding, but which are increased by 100. In addition, reference is made to the same reference numerals as those in FIG. Figure 1 and Figure 2 Description of the relevant.

[0037] Figure 3 The lighting module 102 and Figure 1 The lighting module 2 of 106 differs essentially in that the reflective surface 106.1 of the light collector 106 has a hyperbolic profile in a vertical plane defined by the optical axis 110 and the main illumination axis 104. The reflective surface 106.1 then has a first focus 106.1.1 located at the light source 104 and a second focus 106.1.2, which is a virtual focus, located behind the reflective surface 106.1 in question and therefore also behind the light collector 106. The effect of this configuration of the reflective surface 106.1 is that it produces a reflected light beam which is divergent, in particular in a vertical plane, and which is able to illuminate the entrance face 108.1 of the projection lens 8 as far as the upper edge 108.3 and / or as far as the lower edge 108.4 of said projection lens 108. In other words, the light reflected by the front part of the reflective surface 106.1 reaches the area adjacent to the upper edge 108.3 on the incident surface 108.1, and similarly, the light reflected by the rear part of the reflective surface 106.1 reaches the area adjacent to the lower edge 108.4 on the incident surface 108.1. The area adjacent to the upper edge 108.3 on the incident surface 108.1 advantageously includes the upper edge 108.3. Similarly, the area adjacent to the lower edge 108.4 on the incident surface 108.1 advantageously includes the lower edge 108.4.

[0038] An upper part of the reflected light beam may be lost and thus cut off by the upper edge 108.3 of said projection lens 108. Taking into account the inversion caused by the projection lens 108, this cutting off of the upper part of the reflected light beam results in a lower cutoff of the projection light beam.

[0039] It will be noted that the reflecting surface 106.1 may advantageously have an elliptical profile in a horizontal plane extending perpendicularly to the main illumination axis.Alternatively, the reflecting surface 106.1 may have a hyperbolic profile in the horizontal plane.

[0040] The distance along the optical axis 110 between the first focus 106.1.1 and the second focus 106.1.2, which is a virtual focus, is advantageously greater than or equal to the distance along the optical axis 110 between the associated first focus 106.1.1 and the incident surface 108.1 of the projection lens 108. This makes it possible to limit the divergence of the reflected light beam and thus limit the size of the projection lens 108, particularly in the vertical direction.

[0041] Figure 3 The illumination module 102 of Figure 1 The illumination module 2 also differs in that the focus 108.5 of the projection lens 108 is located behind the collector 106 and the reflecting surface 106.1. This configuration has the effect of defocusing the reflecting surface 106.1 illuminated by the light source 104, and the rear edge and the front edge of the reflecting surface 106.1 are then imaged in such a way that they appear even closer to each other, thus causing a substantially vertical redistribution of the light, which consists in bringing the light rays originating from the front and rear regions of the reflecting surface 106.1 closer together vertically.

[0042] Figure 3 The illumination module 102 of Figure 1 The illumination module 2 also differs in that the projection lens 108 includes a flat incident surface 108.1 and an exit surface 108.2 having only vertical curvature (i.e., no horizontal curvature). Thus, the shown projection lens 108 has zero horizontal optical power. This is thus a simplified configuration aimed at improving the clarity of the description of the present invention. It must be understood that the projection lens 108 can have other geometric characteristics while still having a vertical optical power associated with its focus 108.5 located behind the reflecting surface 106.1 and a horizontal optical power that is zero or less than the vertical optical power under discussion. In the case of a non-zero horizontal optical power, the projection lens 108 then has a second focus (referred to as the horizontal focus) that is located even further behind the focus 108.5 along the optical axis 110, which means that the reflecting surface 106.1 illuminated by the light source 104 will only be partially horizontally imaged or will not be completely horizontally imaged, thus also resulting in a horizontal spread of the projection beam produced by the illumination module 102. The horizontal optical power, whenever it is non-zero, is advantageously less than 50% of the vertical optical power.

[0043] Figure 4 In a similar manner to Figure 2 The image of the light beam projected by the Figure 3 illumination module is graphically shown in the form of an outline of equal luminous brightness (commonly referred to as an isophote curve).

[0044] The discussed luminous image is shown by a continuous line, while the one projected by the Figure 1 illumination module and inFigure 2 The luminous image of the light beam shown in [reference] is shown in dashed lines. It can be noted that Figure 3 the luminous image of the light beam generated by the illumination module 102 of [reference] has a substantially greater horizontal spread than the luminous image of the light beam generated by the illumination module of Figure 1 , such that it is suitable for complementing a light beam having an upper horizontal cut-off to form a light beam without a horizontal cut-off, such as a "high beam" type of illumination function.

[0045] Figure 5 and Figure 6 shows an illumination module according to a second embodiment of the present invention.

[0046] Figure 5 is a cross-sectional schematic view of an illumination module according to a second embodiment of the present invention. Figure 3 The reference numerals in the illumination module of [reference] are used to denote the same or corresponding elements, but these reference numerals are increased by 100. Further, reference is made to the description of these elements in relation to Figure 3 and Figure 4 , and reference is made to the description of these elements in relation to Figure 1 and Figure 2 .

[0047] Figure 5 The illumination module 202 of [reference] differs from the illumination module 102 of Figure 3 essentially in that the reflecting surface 206.1 of the condenser 206 has an elliptical profile. Accordingly, the reflecting surface 206.1 has a first focus 206.1.1 located at the light source 204, and a second focus which is no longer the virtual focus at the rear of the condenser, but is formed by a vertical focus curve 206.1.2 in the front part of the projection lens 208, such that in the case where the light beam is reflected by the reflecting surface 206.1, it irradiates the incident surface 208.1 up to its upper edge 208.3 and down to its lower edge 208.4, and the upper part of the reflected light beam can thus be lost and is thus cut off by the upper edge 208.3 in question. Taking into account the inversion caused by the projection lens 208, this cut-off of the upper part of the reflected light beam results in a lower cut-off of the projected light beam. Moreover, the vertical focus curve 206.1.2 in the front part of the projection lens 208 causes a reduction in the vertical spread of the projected light beam and causes the irradiation of the vertically spreading part of the incident surface 208.1 of the projection lens 208, which is conducive to the horizontal spread of the projected light beam, as in the first and second embodiments.

[0048] In the same manner as Figure 3In a similar manner to the lighting module 102, the focus 208.5 of the projection lens 208 is located behind the concentrator 206 and the reflective surface 206.1, and the projection lens 208 has a flat incident surface 208.1 and an exit surface 208.2 with only vertical curvature (i.e., no horizontal curvature). Thus, the illustrated projection lens 208 has zero horizontal optical power. These differences are similar to Figure 3 between the lighting module 102 shown in Figure 1 and the lighting module 2 shown in

[0049] Figure 6 In a manner similar to Figure 2 and Figure 4 the image of the light beam projected by the lighting module shown in Figure 5 is graphically shown in the form of a contour of equal luminous intensity (commonly referred to as an isophote curve).

[0050] The luminous image under discussion is shown by a continuous line, while the luminous image of the light beam projected by the lighting module shown in Figure 1 and shown in Figure 2 is shown by a dashed line. It can be noted that the luminous image of the light beam projected by the lighting module shown in Figure 5 has the same vertical spread as the luminous image of the light beam projected by the lighting module shown in Figure 1 . Alternatively, due to the lower cut-off, the luminous image of the light beam projected by the lighting module shown in Figure 5 may have a smaller vertical spread than the luminous image of the light beam projected by the lighting module shown in Figure 1 . It can also be noted that, due to the horizontal optical power being zero or less than the vertical optical power, the luminous image of the light beam projected by the lighting module shown in Figure 5 has a slightly larger horizontal spread than the luminous image of the light beam projected by the lighting module shown in Figure 1 .

[0051] It should be noted that the cut-off of the upper part of the reflected light beam is optional.

[0052] Figure 7 A lighting device including a plurality of lighting modules, at least one of which is according to the present invention, is schematically and in perspective shown.

[0053] The lighting device 112 includes a first lighting module 114 similar or identical to the lighting module 2 shown in Figure 1 . Such a lighting module is thus configured to produce a projection beam with an upper horizontal cut-off, which upper horizontal cut-off is preferably flat and is referred to as a "flat" cut-off. The luminous image of such a beam is in a manner similar to Figure 2 , Figure 4 , Figure 6It is graphically and schematically shown in a H-V orthogonal reference system in a similar manner to FIG. 8.

[0054] The lighting device 112 includes at least a second lighting module according to the present invention, in this case, for example, one of the modules 102 and 202 described above. This or these second lighting modules are then configured to each generate a projected light beam without an upper horizontal cut-off, so as to be able to complement the light beam of the first lighting module 114 to form a lighting light beam without an upper horizontal cut-off, in this case, an adjusted automotive lighting light beam of the "high beam" type.

[0055] The lighting module 112 may further include a third lighting module 116 similar to the first lighting module 114, but different in that the third lighting module is configured to project a narrow lighting light beam, and the upper horizontal cut-off of the narrow lighting light beam is referred to as having a "kink" or being kinked. The combination of this light beam and the light beam of the first lighting module 114 can generate an adjusted automotive lighting light beam of the "low beam" type for the European region. Some regulations, especially those of the United States of America, do not require a kink in the horizontal cut-off. In this case, the third lighting module can be omitted. However, it should be noted that the third lighting module can be configured to generate a light beam with a flat upper horizontal cut-off (similar to the first lighting module 114) to supplement the light beam of the first lighting module, so as to generate an adjusted automotive lighting light beam of the "low beam" type for regions that do not require a kink.

[0056] Advantageously, it is noted that the light sources of each of the first lighting module, the second lighting module, and the third lighting module are arranged on a mounting plate 118 (which is then common to them) and all point upward. The light collectors of the lighting modules are then each oriented such that their openings face downward and are advantageously supported by the mounting plate 118 or at least fixed to the mounting plate 118. It is also conceivable, or even more desirable, that the light collectors of different lighting modules are integrally formed as a single piece. The projection lens 120 of the lighting device can then be a juxtaposition of the projection lenses of different lighting modules, and these projection lenses can then advantageously be integrally formed as a single piece.

[0057] Therefore, Figure 7 the lighting device 112 has a limited vertical volume, which can be particularly advantageous for integrating it into the lines of today's vehicle body.

[0058] Typically, that is, especially in the case of the first and second embodiments, each lighting module may include a plurality of light sources arranged side by side, as well as a plurality of reflecting surfaces also arranged side by side and advantageously formed on a light collector. Moreover, one or more of the light sources do not necessarily lie exactly on the optical axis; in fact, they may be located below the optical axis. Also, when the focus of the projection lens lies behind the reflecting surface, it does not necessarily need to lie on the optical axis and may in fact be located at a certain distance from the said optical axis, for example above it. In other words, for the sake of clarity of the description, certain geometric simplifications have been made in the embodiments, and it should be understood that deviations from these geometric simplifications are conceivable within the scope of the present invention.

[0059] Moreover, typically, the projection lens may be replaced by one or more projection mirrors. In this case, at least one of the mirrors or the plurality of mirrors has a non-planar surface capable of forming and projecting a light beam.

Claims

1. A lighting module (102; (202), comprising: - an optical axis (110; 210); - at least one light source (104; 204) capable of emitting light along a main illumination axis (104.1; 204.1), when the illumination module (102; 202) is in an operating position, the main illumination axis points upward; - a condenser (106; 206) having at least one reflective surface (106.1; 206.1), the at least one reflective surface being configured to collect and reflect the light emitted by the at least one light source (104; 204) into a light beam reflected along the optical axis (110; 210); - projection optics (108; 208) that project the reflected light beam into a projection light beam; characterized in that the at least one reflective surface (106.1; 206.1) is configured such that the reflected light beam irradiates the incident surface (108.1; 208.1) of the projection optics (108; 208) up to the upper edge (108.3; 208.3) and / or the lower edge (108.4; 208.4) of the incident surface, and wherein the projection optics (108; 208) includes a focal point (108.3; 208.3) that is located along the optical axis (110; 210) behind the at least one reflective surface (106.1; 206.1).

2. The lighting module (102; 202) according to claim 1, wherein, The light rays reflected by the front portion of the at least one reflective surface (106.1; 206.1) along the optical axis (110; 210) reach a region adjacent to the upper edge (108.3; 208.3) on the incident surface (108.1; 208.1), and the light rays reflected by the rear portion of the at least one reflective surface (106.1; 206.1) along the optical axis (110; 210) reach a region adjacent to the lower edge (108.4; 208.4) on the incident surface (108.1; 208.1).

3. The lighting module (102) according to one of claims 1 and 2, wherein, The at least one reflective surface (106.1) has a hyperbolic profile in the vertical plane defined by the optical axis and the main illumination axis, where a first focal point (106.1.1) is located at the at least one light source (104), and a second focal point, which is a virtual focal point (106.1.2), is located behind the condenser (106).

4. The lighting module (102) according to claim 3, wherein, The second focal point (106.1.2) of the at least one reflective surface (106.1) is located at a certain distance along the optical axis (110) from the first focal point (106.1.1) of the at least one reflective surface (106.1), and the distance is greater than or equal to the distance along the optical axis (110) between the first focal point (106.1.1) and the incident surface (108.1) of the projection optics (108).

5. The lighting module (202) according to one of claims 1 and 2, wherein, The at least one reflective surface (206.1) has an elliptical profile, wherein a first focus is located at the at least one light source (204), and a second focus (206.1.2) is located in the front part of the projection optical device (208).

6. The lighting module (202) according to claim 5, wherein, When the lighting module is in the operating position, the second focus (206.1.2) of the at least one reflective surface (206.1) located in the front part of the projection optical device (208) forms a vertically oriented curve.

7. The lighting module (102; 202) according to one of claims 1 to 6, wherein, The projection optical device (108; 208) has a vertical optical power and a horizontal optical power, and the horizontal optical power is zero or less than the vertical optical power.

8. A lighting device (112) for a motor vehicle, the lighting device comprising: - A first lighting module (114), the first lighting module being configured to project a first light beam with an upper horizontal cut-off, for example for a dipped beam type function; and - A second lighting module (102; 202), the second lighting module being configured to project a second light beam, the second light beam at least partially forming a main beam type lighting function with the first light beam; characterized in that the second module (102; 202) is as claimed in one of claims 1 to 7.

9. The lighting device (112) according to claim 8, wherein, The first lighting module (118) includes at least one light source arranged on a mounting plate (118) and a collector having at least one reflective surface configured to collect and reflect light emitted by the at least one light source into a first reflected light beam; at least one light source of the second lighting module (102; 202) is arranged on the mounting plate (118) and is directed in the same direction as at least one source of the first lighting module (114).

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