CN111623301A - Lighting modules and lighting fixtures - Google Patents

Abstract

The invention discloses an illumination module, which comprises a light source module and an extinction grating (550), wherein the extinction grating (550) is provided with an extinction cavity (556), an extinction cavity light inlet and an extinction cavity light outlet are respectively arranged at two ends of the extinction cavity (556) along the length direction of the extinction cavity (556), and the light source module is arranged at the extinction cavity light inlet. The scheme can solve the problem that stray light of the lighting lamp is more. The invention also discloses a lighting fixture comprising a housing (100) and a lighting module according to the above, said lighting module being mounted in said housing (100).

Description

Lighting modules and lighting fixtures

technical field

The present invention relates to the technical field of lighting equipment, in particular to a lighting module and a lighting fixture.

Background technique

In daily life and work, lamps are widely used in home lighting, commercial lighting, industrial lighting, landscape lighting, etc., providing convenience for people's lives. With the continuous improvement of user needs, the performance of lighting fixtures is also constantly optimized. The existing light source is usually a point light source, and the light emitted by the light source is scattered towards various angles. In order to pursue higher optical efficiency and achieve precise light distribution, the light source is usually used together with reflectors and lens light optical components. However, even after the light emitted by the light source is adjusted by the reflector, lens and other optical elements, there will still be a large amount of stray light, which will affect the lighting effect of the lamp and cause glare problems during use.

Therefore, it is desirable to have a lighting module that can overcome or at least alleviate the above-mentioned drawbacks of the prior art.

SUMMARY OF THE INVENTION

The invention discloses a lighting module to solve the problem of more stray light of lighting lamps.

In order to solve the above problems, the present invention adopts the following technical solutions:

A lighting module includes a light source module and an extinction grille, the extinction grille has a extinction cavity, and along the length direction of the extinction cavity, the two ends of the extinction cavity are respectively the light entrance of the extinction cavity and the light exit of the extinction cavity The light source module is arranged at the light entrance of the extinction cavity.

A lighting fixture includes a housing and the lighting module according to the above, wherein the lighting module is installed in the housing.

The technical scheme adopted in the present invention can achieve the following beneficial effects:

In the lighting module disclosed in the present invention, an extinction grille is provided, the extinction grille has a extinction cavity, and the light emitted by the light source module enters the extinction cavity, so that the unwanted stray light is absorbed by the inner wall of the extinction cavity. weakened, so as to achieve the purpose of reducing the stray light of the lighting module, effectively improve the lighting effect of the lighting module, and avoid the glare problem during use.

Description of drawings

The accompanying drawings described herein are used to provide further understanding of the present invention and constitute a part of the present invention. The exemplary embodiments of the present invention and their descriptions are used to explain the present invention and do not constitute an improper limitation of the present invention. In the attached image:

1 is an exploded view of a lighting module according to an embodiment of the present invention;

Fig. 2 is the schematic diagram of the extinction grille of the lighting module shown in Fig. 1;

Fig. 3 is an exploded view of the extinction grid shown in Fig. 2;

4 is a schematic diagram of an extinction grille of a lighting module according to another embodiment of the present invention;

Figure 5 is an exploded view of the extinction grid shown in Figure 4;

6 is a schematic diagram of an extinction grille of a lighting module according to still another embodiment of the present invention;

Fig. 7 is an exploded view of the extinction grid shown in Fig. 6;

8 and 9 are schematic diagrams of the lighting fixture disclosed in the embodiment of the present invention;

Figure 10 is an exploded view of the lighting fixture shown in Figure 8;

Figure 11 is a side view of the lighting fixture shown in Figure 8;

12 is a cross-sectional view of the lighting fixture shown in FIG. 11 along section line A-A, the lighting fixture is provided with the lighting module disclosed in the embodiment of the present invention;

FIG. 13 is a partially enlarged schematic view of the position of the lighting module of the cross-sectional view of the lighting fixture shown in FIG. 12;

Figure 14 is an exploded view of the housing of the lighting fixture shown in Figure 8;

FIG. 15 is an exploded view of the RGB light source module of the lighting fixture shown in FIG. 8 .

Description of reference numbers:

100-shell, 110-top wall, 120-bottom wall, 121-lighting module shielding area, 130-circumferential wall, 140-light outlet, 150-L-type connector, 160-RGB light source module fixing piece, 170- Light outlet frame, 200-RGB light source module, 210-first RGB light source, 211-first RGB LED, 220-second RGB light source, 230-light guide plate, 300-ring decorative cover, 400-lamp bearing frame, 500 -Lighting module, 510-fixing bracket, 520-light source circuit board, 530-LED, 540-lens, 541-first end, 542-second end, 543-reflection slope, 544-light source installation cavity, 550-extinction Grid, 551-top plate, 5511-first plug groove, 552-bottom plate, 5521-second plug groove, 553-first side plate, 554-second side plate, 555-grid plate, 556 - Extinction cavity.

Detailed ways

In order to make the objectives, technical solutions and advantages of the present invention clearer, the technical solutions of the present invention will be clearly and completely described below with reference to the specific embodiments of the present invention and the corresponding drawings. Obviously, the described embodiments are only some, but not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

In the description of the present invention, it should be noted that the term "spaced apart from each other" means that there is a gap between two components.

The technical solutions disclosed by the various embodiments of the present invention will be described in detail below with reference to the accompanying drawings.

An embodiment of the present invention discloses a lighting module. Referring to FIG. 1 to FIG. 7 , the lighting module includes a light source module and an extinction grille 550 .

The extinction grid 550 has an extinction cavity 556. Along the length direction of the extinction cavity 556, the two ends of the extinction cavity 556 are the extinction cavity light entrance and the extinction cavity light exit respectively, and the light source module is arranged at the light entrance of the extinction cavity. The extinction cavity 556 can eliminate or reduce the stray light in the light emitted by the light source module, thereby avoiding problems such as glare caused by more stray light in the lighting module, improving the effective utilization of light, and improving the lighting effect of the lighting module.

The specific structure of the light source module can be appropriately selected according to actual needs. Optionally, referring to FIG. 1 and FIG. 13 , the light source module includes an LED 530 and a lens 540, and the lens 540 includes a first end 541 and a second end 542 arranged oppositely and a reflective slope 543 connecting the first end 541 and the second end 542, The first end 541 is provided with a light source installation cavity 544, the LED 530 is installed in the light source installation cavity 544, the inner wall surface of the light source installation cavity 544 is the light incident surface, the end surface of the second end 542 is the light exit surface, and the second end 542 is located at the entrance of the extinction cavity. light mouth. The scattered light emitted by the LED530 enters the lens 540 through the light incident surface, part of the light is reflected by the reflective slope 543 and then exits through the light exit surface, and part of the light exits directly through the light exit surface, so that the light emitted by the LED530 is concentrated and emitted, improving the luminous effect of the light source module. Improve light utilization and reduce stray light.

Optionally, the length direction of the extinction cavity 556 is perpendicular to the end face of the second end 542 (ie the light exit surface), so that the third light emitted along the perpendicular to the light exit surface can be emitted through the extinction cavity 556 to improve light utilization.

The number and arrangement of the LEDs 530 and the lenses 540 can be appropriately selected according to the usage requirements, and the number of the extinction cavities 556 can also be appropriately selected according to the usage requirements. For example, the extinction cavity 556 is formed as a single extinction cavity corresponding to the multiple lenses 540 556. Optionally, the lighting module includes a fixing bracket 510, a plurality of LEDs 530 arranged in sequence along the length direction of the fixing bracket 510, and a plurality of lenses 540 arranged corresponding to the plurality of LEDs 530, and the extinction grid 550 is fixedly installed on the fixing bracket 510, wherein The extinction grid 550 has a plurality of extinction cavities 556, and the multiple extinction cavities 556 correspond to the plurality of lenses 540 one-to-one, thereby further improving the extinction effect of the extinction grid 550 and reducing the stray light of the lighting module 500. The fixing bracket 510 is fixedly installed on the housing 100 , the plurality of LEDs 530 are installed at intervals on the light source circuit board 520 , and the light source circuit board 520 is fixedly installed on the fixing bracket 510 .

The specific structure of the extinction grid 550 can be appropriately selected according to actual needs, as long as the stray light of the lighting module 500 can be effectively eliminated.

Referring to FIGS. 1 to 5 , the extinction grid 550 includes a grid frame and a plurality of grid plates 555 mounted on the grid frame. The grid frame is fixedly mounted on the fixing bracket 510 , and the grid frame includes a top plate 551 , a bottom plate 552 , a One side plate 553 and the second side plate 554, the top plate 551 and the bottom plate 552 are spaced apart from each other, and along the length direction of the bottom plate 552, the first side plate 553 and the second side plate 554 are provided at both ends of the bottom plate 552 and connect the top plate 551 and the bottom plate 552. The bottom plate 552, a plurality of grid plates 555 are spaced from each other along the length direction of the bottom plate 552, the grid plate 555 and the grid frame enclose a light extinction cavity 556, and the light emitted by each LED 530 enters after being refracted and/or reflected by the corresponding lens 540 The extinction cavity 556, and then the stray light is eliminated by the extinction cavity 556 and then exits the extinction cavity 556.

3 and 5 , the top plate 551 has a first insertion groove 5511 and/or the bottom plate 552 has a second insertion groove 5521, and the grid plate 555 is inserted into the first insertion groove 5511 and/or the second insertion groove 5521. Inserting into the groove 5521 facilitates the quick positioning and assembling of the grid plate 555 and improves the assembling efficiency of the extinction grid 550 . In the illustrated preferred embodiment, the top plate 551 has a first insertion groove 5511, the bottom plate 552 has a second insertion groove 5521, and the upper and lower ends of the grid plate 555 are respectively inserted into the first insertion groove 5511 and the second insertion groove 5521. The second insertion groove 5521 makes the assembly of the grid plate 555 more stable and reliable.

In order to further improve the extinction effect of the extinction grid 550, the grid plate 555 has a extinction structure, and the specific structure of the extinction structure can be appropriately designed according to actual needs. Referring to an embodiment of the present invention shown in FIGS. 1 to 3, FIG. 12, and FIG. 13, the grid plate 555 is provided with grid matting protrusions. In the illustrated embodiment, the grid plate 555 is integrally formed as a grid The grid plate can not only meet the extinction requirements but also reduce the weight of the grid plate, thereby reducing the weight of the lighting fixture. Referring to another embodiment of the present invention shown in FIGS. 4 and 5 , the grid plate 555 is provided with strip-shaped matting protrusions. In the illustrated embodiment, the grid plate 55 includes a plate-shaped body and a Strip-shaped matting protrusions on the main body. Wherein, the extending direction of the strip-shaped extinction protrusion is preferably parallel to the second end face of the lens 540 to better eliminate stray light.

In addition, if necessary, at least one of the top plate 551 , the bottom plate 552 , the first side plate 553 and the second side plate 554 has a matting structure to improve the matting effect of the matting grid 550 . The specific structure of the extinction structure can be appropriately designed according to actual needs. For example, the extinction structure is a mesh-shaped extinction protrusion or a strip-shaped extinction protrusion similar to the grid plate 555 .

Referring to yet another embodiment of the present invention shown in FIG. 6 and FIG. 7 , the extinction grid 550 includes a grid frame and a plurality of grid plates 555 mounted on the grid frame, and the grid frame is fixedly mounted on the fixing bracket 510, The grid frame includes a top plate 551, a bottom plate 552, a first side plate 553 and a second side plate 554. The top plate 551 and the bottom plate 552 are spaced apart from each other. The two ends of the bottom plate 552 are connected to the top plate 551 and the bottom plate 552 , and the plurality of grid plates 555 are spaced apart from each other along the width direction of the bottom plate 552 , wherein the extinction cavity 556 sequentially penetrates the grid plates 555 along the width direction of the bottom plate 552 . The grid plates 555 arranged at intervals are formed into a strip-shaped extinction structure on the inner circumference of the extinction cavity 556 .

Referring to FIG. 7 , the top plate 551 has a first insertion groove 5511 and/or the bottom plate 552 has a second insertion groove 5521, and the grid plate 555 is inserted into the first insertion groove 5511 and/or the second insertion groove In the groove 5521 , the quick positioning and assembling of the grid plate 555 is facilitated, and the assembling efficiency of the extinction grid 550 is improved. In the illustrated preferred embodiment, the top plate 551 has a first insertion groove 5511, the bottom plate 552 has a second insertion groove 5521, and the upper and lower ends of the grid plate 555 are respectively inserted into the first insertion groove 5511 and the second insertion groove 5521. The second insertion groove 5521 makes the assembly of the grid plate 555 more stable and reliable.

Further, the matting grid 550 is coated with matting paint, and the matting paint can avoid or reduce reflection, thereby avoiding or reducing stray light generated by the reflection of the matting grid 550 . The specific color and type of the matting paint can be appropriately selected according to actual needs. Optionally, the matting paint is a matte black paint with good matting effect.

The embodiment of the present invention further discloses a lighting fixture, referring to FIGS. 8 to 15 , the lighting fixture includes a housing 100 and the lighting module 500 according to the above. The lighting module 500 is installed in the housing 100 , and the housing The body 100 can protect the lighting module 500 and facilitate the installation and fixation of the lighting module 500 .

Optionally, the lighting fixture further includes a control system and an RGB light source module 200 . The housing 100 has a light outlet 140, and the RGB light source module 200 includes a light guide plate 230 and a first RGB light source 210. The control system controls the first RGB light source 210 to emit first light of a first predetermined color. Use requirements to make appropriate choices, such as blue sky color simulating clear noon sky, reddish color simulating evening or morning sky, blue-gray simulating rainy weather, etc., so that people can obtain lighting effects close to natural light.

The light guide plate 230 is installed on the light outlet 140 . The light guide plate 230 includes a first board surface facing the outside of the housing 100 , a second board surface facing the inside of the housing 100 , and an outer peripheral surface connecting the first board surface and the second board surface. , the first RGB light source 210 faces the outer peripheral surface, wherein the first light enters the light guide plate 230 through the outer peripheral surface, and exits the light guide plate 230 through the first plate surface. A plate surface is uniformly emitted, forming a surface light source to simulate the real sky.

The specific type of the light guide plate 230 can be appropriately selected, for example, an acrylic light guide plate, but traditionally, the acrylic light guide plate needs to be printed with light guide points on the light guide plate through laser engraving and cross grid engraving lamp technology, which causes the user to see the light guide. There is a grid light pattern on the light guide plate, which is quite different from the real sky, which affects the lighting effect of the lamp. Optionally, the light guide plate 230 is a nano light guide plate, and the nano light guide plate uses the light scattering effect of the nanoparticles evenly dispersed in the light guide plate 230 to convert the line light source or the point light source into a surface light source, and the surface of the light guide plate 230 does not need to be processed. The design and processing of any dots and grids make the lighting effect of the lighting fixtures more uniform and soft, and closer to the real sky.

When the size of the light guide plate 230 is relatively large, it is difficult for the first RGB light source 210 to meet the usage requirements. Therefore, referring to FIG. 15 , in the embodiment of the present invention, the RGB light source module 200 includes a second RGB light source 220 , the control system controls the second RGB light source 220 to emit a second light of a second predetermined color, and the second RGB light source 220 is oriented toward and On the outer peripheral surface, the second light enters the light guide plate 230 through the outer peripheral surface and exits the light guide plate 230 through the first plate surface. The first RGB light source 210 and the second RGB light source 220 are used together to make the lighting effect better. Among them, the second predetermined color can be appropriately selected according to different usage requirements, for example, the blue sky color simulating the clear noon sky, the reddish color simulating the evening or morning sky, the blue-gray simulating the rainy weather, etc., so that people can get close to The lighting effect of natural light. The first predetermined color and the second predetermined color may be the same or different according to the actual required lighting effect.

Further, the light guide plate 230 is a rectangular light guide plate. The first RGB light source 210 and the second RGB light source 220 are disposed on opposite sides of the light guide plate 230 along the width direction of the light guide plate 230 . The opposite arrangement of the first RGB light source 210 and the second RGB light source 220 makes the light distribution on the light guide plate 230 more uniform, so that the lighting effect of the lighting fixture is closer to the real sky.

Optionally, along the length direction of the light guide plate 230, the first RGB light source 210 extends from one end of the light guide plate 230 to the other end of the light guide plate 230, and the second RGB light source 220 extends from one end of the light guide plate 230 to the other end of the light guide plate 230. At one end, the light distribution on the entire light guide plate 230 is uniform and beautiful. The specific types of the first RGB light source 210 and the second RGB light source 220 can be appropriately selected according to actual needs. Preferably, the first RGB light source 210 includes a plurality of first RGB LEDs 211 arranged in sequence, and the second RGB light source 220 A plurality of second RGB LEDs, the LED light source has the advantages of high luminous efficiency, long service life and environmental protection.

9 to 11, in the embodiment of the present invention, the light outlet 140 is provided with a lamp bearing frame 400, and the lamp bearing frame 400 can be installed at the ceiling lamp position of the house, which is convenient for the installation and use of the lighting lamp. After the lighting lamp is installed, Only the position of the light outlet can be observed by the user, and the housing 100 is completely hidden inside the structure such as the ceiling, which makes the lighting fixture more beautiful, and the light outlet is similar to the window in the house, so that the lighting effect produced by the lighting fixture is closer. real sky. In addition, the light outlet 140 is provided with an annular decorative cover 300 arranged around the light outlet. The annular decorative cover 300 makes the part of the lighting fixture that can be observed by the user more beautiful.

Referring to FIG. 14 , the housing 100 includes an RGB light source module fixing member 160 and a light outlet frame 170 , the light outlet frame 170 and the RGB light source module firmware 160 are disposed at the light outlet 140 , and the light outlet frame 170 is connected by welding, riveting or screwing The RGB light source module fixing member 160 is fixedly installed on the light outlet frame 170, the RGB light source module 200 is fixedly installed on the RGB light source module fixing member 160, the light outlet frame 170 and the RGB light source module The assembly fixing member 160 can improve the strength of the position of the light outlet 140 of the casing 100 and facilitate the fixed installation of the RGB light source module 200 . In the illustrated embodiment of the present invention, the light outlet frame 170 is fixed to the bottom wall 120 through the L-shaped adapter 150 .

In the real sky, the position of the sun or the moon is brighter than other parts. In order to make the lighting effect of the lighting fixtures closer to the real sky, optionally, referring to FIG. 12 , the lighting module 500 emits a third light, the first The three light rays enter the light guide plate 230 through the second surface, and exit the light guide plate 230 through the first surface. experience feelings. Optionally, the color temperature of the third light is 2000k to 7000k, and the specific color temperature of the third light can be appropriately selected according to usage requirements, and different color temperatures can be selected when simulating the sun at different times and different weather conditions. Further, the color temperature of the third ray is 5700k to 6500k, simulating sunlight on a clear day.

The light-emitting angle of the lighting module 500 can be appropriately selected according to the usage requirements, and the stray light affects the lighting effect of the lighting fixture, and easily makes the light emitted by the lighting fixture dazzling. Preferably, the light-emitting angle of the lighting module 500 is 0 degrees to 10 degrees.

Except for the equatorial region, the sunlight in most regions is irradiated obliquely. Therefore, the angle between the length direction of the extinction cavity 556 and the second plate surface of the light guide plate 230 is preferably 20 degrees to 60 degrees. The third light enters the light guide plate 230 obliquely, so that the lighting effect of the lighting fixture is closer to the real sky.

Optionally, the housing 100 includes a top wall 110 and a bottom wall 120 and a circumferential wall 130 connecting the top wall 110 and the bottom wall 120 , the light outlet 140 is provided on the bottom wall 120 , the inner surface of the top wall 110 and the inner surface of the bottom wall 120 and the inner surface of the circumferential wall 130 are coated with a matte paint, the matt paint can avoid or reduce the stray light generated by the reflection of the light emitted by the RGB light source module 200 and the lighting module 500 in the housing 100, improve the lighting effect of the lamp, and Applying a matte paint, especially a dark matte paint, on the inner side of the casing 100 can also make the "sky" simulated by the light guide plate 230 have a deep feeling, which is closer to the real sky effect. The specific color and type of the matting paint can be appropriately selected according to actual needs. Optionally, the matting paint is frosted black paint, which has a good matting effect and makes the "sky" simulated by the light guide plate 230 deeper.

Optionally, the bottom wall 120 includes a light exit area and a lighting module shielding area 121, the light exit 140 is arranged in the light exit area, the lighting module 500 is arranged corresponding to the lighting module shielding area 121, and the lighting module 500 deviates from the light exit 140, so that The lighting module 500 is blocked by the lighting module shielding area 121 to prevent the lighting module 500 from being exposed to the light outlet 140 , so that the lighting fixture can provide the user with a more realistic lighting effect of the natural sky. Wherein, along the length direction of the light guide plate 230, the ratio of the size of the light guide plate 230 to the overall size of the lighting module is greater than 0.5, and along the thickness direction of the light guide plate 230, the ratio of the size of the lighting module 500 to the overall size of the lighting module It is 0.5 to 0.8, so that the structure of the lighting fixture is compact, and under the condition that the size of the light outlet 140 is the same, the arrangement space required for the lighting fixture is reduced.

The incident position of the third light emitted by the lighting module 500 on the light guide plate 230 can be appropriately selected according to the actual required lighting effect. Referring to FIG. 5 , in the embodiment of the present invention, the lighting module 500 is close to the light guide plate 230 At the edge of the lighting module 500, the light guide plate 230 simulates a window in a house, and the sunlight simulated by the lighting module 500 enters obliquely from the edge of the window, which makes the lighting effect of the lighting fixture softer and brings comfort.

The above embodiments of the present invention mainly describe the differences between the various embodiments. As long as the different optimization features of the various embodiments are not contradictory, they can be combined to form better embodiments. No longer.

The above descriptions are merely embodiments of the present invention, and are not intended to limit the present invention. Various modifications and variations of the present invention are possible for those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included within the scope of the claims of the present invention.

Claims (13)

1. The utility model provides an illumination module, its characterized in that includes light source module and extinction grid (550), extinction grid (550) have extinction chamber (556), follow the length direction in extinction chamber (556), the both ends in extinction chamber (556) are extinction chamber income light mouth and extinction chamber light-emitting outlet respectively, light source module set up in extinction chamber income light mouth department.

2. The lighting module according to claim 1, wherein the light source module comprises an LED (530) and a lens (540), the lens (540) comprises a first end (541) and a second end (542) which are oppositely arranged, and a reflection inclined plane (543) which connects the first end (541) and the second end (542), the first end (541) is provided with a light source installation cavity (544), the LED (530) is installed in the light source installation cavity (544), an inner wall surface of the light source installation cavity (544) is a light incident surface, an end surface of the second end (542) is a light emergent surface, and the second end (542) is located at the light incident surface of the extinction cavity.

3. The lighting module of claim 2, wherein the length of the extinction cavity (556) is perpendicular to an end face of the second end (542).

4. The lighting module according to claim 2, wherein the lighting module comprises a fixing bracket (510), a plurality of LEDs (530) sequentially arranged along a length direction of the fixing bracket (510), and a plurality of lenses (540) arranged corresponding to the plurality of LEDs (530), and the extinction grating (550) is fixedly mounted on the fixing bracket (510), wherein the number of the extinction cavities (556) is multiple, and the extinction cavities (556) correspond to the lenses (540) one by one.

5. The lighting module according to claim 4, wherein the extinction grid (550) comprises a grid frame and a plurality of grid plates (555) mounted on the grid frame, the grid frame is fixedly mounted on the fixing bracket (510), the grid frame comprises a top plate (551), a bottom plate (552), a first side plate (553) and a second side plate (554), the top plate (551) and the bottom plate (552) are spaced apart, the first side plate (553) and the second side plate (554) are disposed at two ends of the bottom plate (552) along a length direction of the bottom plate (552) and connect the top plate (551) and the bottom plate (552), the plurality of grid plates (555) are spaced apart from each other along the length direction of the bottom plate (552), and the grid plates (555) and the grid frame enclose the extinction cavity (556).

6. The lighting module according to claim 5, wherein the top plate (551) has a first plug-in recess (5511) and/or the bottom plate (552) has a second plug-in recess (5521), the grid plate (555) being plugged into the first plug-in recess (5511) and/or the second plug-in recess (5521).

7. The lighting module according to claim 5, wherein the grid plate (555) has a light extinction structure, and the light extinction structure is a net-shaped light extinction protrusion or a strip-shaped light extinction protrusion.

8. The lighting module according to claim 5, wherein at least one of the top plate (551), the bottom plate (552), the first side plate (553), and the second side plate (554) has a light extinction structure, and the light extinction structure is a mesh-shaped light extinction protrusion or a strip-shaped light extinction protrusion.

9. The lighting module of claim 4, wherein the light extinction grid (550) comprises a grid frame and a plurality of grid plates (555) mounted to the grid frame, the grid frame is fixedly arranged on the fixed support (510), and comprises a top plate (551), a bottom plate (552), a first side plate (553) and a second side plate (554), the top plate (551) and the bottom plate (552) are spaced apart from each other, along the length direction of the bottom plate (552), the first side plate (553) and the second side plate (554) are disposed at both ends of the bottom plate (552) and connect the top plate (551) and the bottom plate (552), the plurality of grating plates (555) are spaced apart from each other in a width direction of the bottom plate (552), wherein the extinction cavity (556) penetrates through the grating plates (555) in sequence along the width direction of the bottom plate (552).

10. The lighting module according to claim 9, wherein the top plate (551) has a first plug-in recess (5511) and/or the bottom plate (552) has a second plug-in recess (5521), the grid plate (555) being plugged into the first plug-in recess (5511) and/or the second plug-in recess (5521).

11. The lighting module of any one of claims 1-10 wherein the matte grid (550) is coated with a matte paint.

12. The lighting module of claim 12 wherein the matte finish is a matte black finish.

13. A lighting fixture, characterized in that it comprises a housing (100) and a lighting module according to any one of claims 1-12, said lighting module being mounted in said housing (100).

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