LED lighting fixture

Abstract

An LED lighting fixture, comprising a support unit (1) and a photoelectric module (2). The support unit (1) comprises a base (11) and a back plate (12), and the back plate (12) is arranged around the base (11) and forms an accommodating space together with the base (11). The photoelectric module (2) is connected to the support unit (1). The photoelectric module (2) comprises a light-emitting unit (21) and a light processing unit (22). The light-emitting unit (21) comprises at least two of a first light-emitting assembly (211, 211', 211"), a second light-emitting assembly (212, 212', 212"), and a third light-emitting assembly (213). The at least two light-emitting assemblies have at least two light emission angles. The light processing unit (22) is arranged on a light emission path of the light-emitting unit (21). The first light-emitting assembly (211, 211', 211") is configured on the base (11), and the third light-emitting assembly (213) is disposed in the accommodating space and has a light emission direction facing the support unit (1).

Description

LED lighting fixtures Technical Field

[0001] The present application relates to the technical field of LED lighting devices, and more particularly to an LED lighting fixture. Background Art

[0002] LED lighting fixtures use light-emitting diodes as their light source and are widely adopted for their energy-saving and long lifespan advantages. Flat panel lights, a type of LED lighting fixture that can be embedded in the ceiling, are highly sought after for their lightness, thinness, and large illumination area.

[0003] In the prior art, flat panel lights usually set the light source in the middle area of ​​the flat panel light, and irradiate light to the indoor environment through the light-emitting surface corresponding to the middle area. The disadvantage of this flat panel light is that it has only one light-emitting surface, and the light in the illuminated indoor environment is uneven. For example, the indoor environment may have a situation where the middle area is too bright and the surrounding areas are relatively dim.

[0004] To address this uneven light pattern, batwing diffusers are currently being added to achieve a batwing-like light distribution. However, these diffusers, with their unique microprismatic structure, are expensive and offer a poor visual quality. Furthermore, due to their double-sided microstructure, batwing diffusers require a transparent plate for support and fixation. To achieve the batwing pattern, the diffuser must be designed based on the position and curvature of the light-emitting surface of the light source, making the structural design of the lamp more complex.

[0005] Furthermore, conventional flat panel lights place the light source in the center. This results in uneven illumination of the light-emitting surface due to the limited light-emitting angle of the lamp beads. This further leaves some areas on the chassis (especially the periphery) without light, resulting in dark areas. To address this dark area issue, the market typically uses lenses to redirect the light emission of the lamp beads. However, this approach adds an additional lens structure, complicating the structural design of the flat panel light and making the design unsightly.

[0006] In the prior art, the lampshade is often connected to the lamp body after the general structure of the lamp body is assembled, and the connection has the problem of being not stable enough.

[0007] In summary, in view of the shortcomings and defects of flat panel lamps in the prior art, how to design flat panel lamps to form a uniform light pattern and / or avoid dark areas and improve the reliability of lamps is a technical problem that needs to be urgently solved by the technical personnel of this application.

[0008] Summary of the Invention

[0009] This summary describes many embodiments of the present application. However, the term "this application" is used only to describe certain embodiments disclosed in this specification (whether or not included in the claims), and is not a complete description of all possible embodiments. Certain embodiments described above as various features or aspects of the present application can be combined in various ways to form an LED lamp or a portion thereof.

[0010] The present invention aims to provide an LED lighting fixture, which includes:

[0011] A supporting unit comprising a base and a back plate, wherein the back plate is arranged around the base and forms a receiving space with the base; and

[0012] A photoelectric module is connected to the support unit, and the photoelectric module includes:

[0013] A light-emitting unit, comprising at least two of a first light-emitting component, a second light-emitting component, and a third light-emitting component, wherein the at least two light-emitting components have at least two light emission angles;

[0014] A light processing unit, the light processing unit being arranged on the light output path of the light emitting unit;

[0015] The first light-emitting component is configured on the base; and

[0016] The third light-emitting component is disposed in the accommodating space, and its light emitting direction is toward the supporting unit.

[0017] In one embodiment of the present application, the support unit further includes a support structure, which is vertically disposed on the base, and the third light-emitting component is configured on the support structure.

[0018] In one embodiment of the present application, the support structure is configured as a support plate, which is vertically fixed on the base. The support structure includes a first mounting surface and a second mounting surface.

[0019] In one embodiment of the present application, the third light-emitting unit emits light toward the back panel.

[0020] In one embodiment of the present application, the center line of the light beam of the first light-emitting component is perpendicular to the base.

[0021] In one embodiment of the present application, a center line of the light beam of the third light-emitting component and a center line of the light beam of the first light-emitting component have an included angle.

[0022] In one embodiment of the present application, the center line of the light beam of the third light-emitting component is perpendicular to the center line of the light beam of the first light-emitting component.

[0023] In one embodiment of the present application, the first mounting surface and the second mounting surface are two opposite surfaces of the support structure, and at least one group of the third light-emitting components is arranged on the first mounting surface, and at least one group is arranged on the second mounting surface.

[0024] In one embodiment of the present application, the light processing unit includes a diffuser and a light shielding assembly, and the diffuser is fixedly connected to the light shielding assembly.

[0025] In one embodiment of the present application, the shading assembly includes a shading portion and a frame portion, and the shading portion and the frame portion can be configured as an integrally formed metal frame structure.

[0026] In one embodiment of the present application, an LED lighting fixture is provided, characterized by comprising:

[0027] A supporting unit, the supporting unit comprising a base and a back plate arranged around the base;

[0028] and an optoelectronic module connected to the supporting unit, the optoelectronic module comprising a first light-emitting component and a second light-emitting component disposed on the base, the second light-emitting component being located around the first light-emitting component and being tilted relative to the first light-emitting component so that light emitted by the second light-emitting component is distributed around the first light-emitting component;

[0029] The light processing unit includes a diffuser, and the diffuser includes a first diffuser and a second diffuser. The first diffuser is arranged in the light emitting direction of the first light emitting component, and the second diffuser is arranged in the light emitting direction of the second light emitting component.

[0030] In one embodiment of the present application, the base includes a bottom surface and a first bottom side wall, the first bottom side wall has a first inclination angle relative to the bottom surface, the first light-emitting component is arranged on the bottom surface, and the second light-emitting component is arranged on the first bottom side wall.

[0031] In one embodiment of the present application, the first inclination angle is set to 15 degrees to 45 degrees.

[0032] In one embodiment of the present application, the first light-emitting components are provided in at least two groups, and each group is arranged in parallel on the bottom surface.

[0033] In one embodiment of the present application, the base further includes a second bottom sidewall, which is connected to the first bottom sidewall and has a second inclination angle relative to the first bottom sidewall.

[0034] In one embodiment of the present application, the first light-emitting assembly includes a first circuit board and a first light-emitting body arranged on the first circuit board; the second light-emitting assembly includes a second circuit board and a second light-emitting body arranged on the second circuit board.

[0035] The diffusion member in one embodiment of the present application is used to diffuse the light emitted by the first light-emitting component and / or the second light-emitting component.

[0036] In one embodiment of the present application, the light processing unit includes a light beam control component, which is arranged on the light-emitting side of the second light-emitting component and is used to change the path of at least part of the light emitted by the second light-emitting component, so that the light emitted by the second light-emitting component and directed toward the area directly below the first light-emitting component is changed to be directed toward the surrounding area of ​​the first light-emitting component.

[0037] In one embodiment of the present application, the light beam control component includes a sawtooth lens.

[0038] In one embodiment of the present application, the light beam control component includes a total internal reflection lens.

[0039] In one embodiment of the present application, an LED lighting fixture is provided, characterized by comprising:

[0040] A supporting unit comprising a base and a back plate, wherein the back plate is stacked on the base, and the base is higher than the back plate; and

[0041] A photoelectric module is connected to the support unit, and the photoelectric module includes:

[0042] A light source board, the light source board comprising a groove and an upper end surface symmetrically arranged relative to the groove, a first light-emitting assembly being arranged on the upper end surface, the first light-emitting assembly comprising a first circuit board and a first light-emitting body; a second light-emitting assembly being arranged on an outer side wall of the groove, the second light-emitting assembly comprising a second circuit board and a second light-emitting body; and

[0043] a light processing unit, the light processing unit at least partially covering the light emitting unit, and a micro-array optical structure being provided on a surface of the light processing unit;

[0044] In one embodiment of the present application, the upper end surface and the surface of the groove are perpendicular to each other.

[0045] In one embodiment of the present application, the light emitting direction of the first light emitting component is different from the light emitting direction of the second light emitting component.

[0046] In one embodiment of the present application, the support unit further includes a back plate, which is disposed on the support unit and has a reflective surface for secondary distribution of light emitted by the optoelectronic module.

[0047] In one embodiment of the present application, the back plate has a protrusion, and a receiving cavity is formed between the protrusion and the base. A power module is arranged inside the protrusion and fixed on the base.

[0048] In one embodiment of the present application, a sensing device is further included, which senses the external environmental conditions to adjust the light output of the lamp.

[0049] In one embodiment of the present application, the power module includes a power circuit board and an energy storage battery arranged on the power circuit board; an emergency power module is also provided on the power circuit board, and the emergency power module includes an emergency power supply and an energy storage battery arranged on the power circuit board, and the emergency power supply is electrically connected to the energy storage battery.

[0050] In one embodiment of the present application, an LED lighting device is provided, comprising:

[0051] A supporting unit, the supporting unit comprising a base, a back plate and side walls, the base comprising a bottom surface, the back plate being connected to the base, the side walls, the base and the back plate being connected to form an accommodating space; and

[0052] An optoelectronic module, the optoelectronic module comprising a light-emitting unit and a light-processing unit, the light-emitting unit comprising at least one first light-emitting component and at least one second light-emitting component, the light-processing unit comprising a diffuser, the diffuser being disposed over the light-emitting unit;

[0053] The bottom surface has a bottom plate mounting portion, the bottom plate mounting portion has a top surface arranged parallel to the bottom surface, and a side surface inclined relative to the bottom surface, the first light-emitting component is arranged on the top surface, and the second light-emitting component is arranged on the side surface;

[0054] At least a portion of the light emitted by the second light emitting component is emitted from the diffusion component and projected onto the back plate.

[0055] In one embodiment of the present application, the optoelectronic module further includes a power module, which is arranged on the back of the support unit. The power module includes a power box and a junction box. The power box and the junction box are integrally formed, and the power box is perpendicular to the junction box.

[0056] In one embodiment of the present application, diffuser end covers are provided at both ends of the diffuser, and the diffuser end covers, the diffuser and the bottom surface form a closed space.

[0057] In one embodiment of the present application, a sensing device is provided on the end cover of the diffuser.

[0058] In one embodiment of the present application, the shortest distance from the light-emitting unit to the long side of the diffuser is La, and the vertical distance from the long side of the diffuser to the edge of the back plate is Lb, where 0.5≤Lb / La≤2.

[0059] In one embodiment of the present application, the distance from the bottom surface to the highest point of the back plate is set to Lc, then 1≤La / Lc≤2, 1≤La / Lc≤6.

[0060] To sum up, the LED lighting fixture disclosed in the present application is provided with a third light-emitting component with the center line of the light beam facing the supporting unit of the LED lighting fixture, so that it can illuminate the area on the supporting unit that is not illuminated by the first light-emitting component, increase the uniformity of light on the surface of the supporting unit, and avoid the appearance of dark areas.

[0061] Those skilled in the art can easily discern other aspects and advantages of the present application from the detailed description below. In the detailed description below, only exemplary embodiments of the present application are shown and described. As will be appreciated by those skilled in the art, the content of this application enables those skilled in the art to modify the disclosed specific embodiments without departing from the spirit and scope of the invention to which this application relates. Accordingly, the descriptions in the drawings and specification of this application are merely exemplary and not restrictive. BRIEF DESCRIPTION OF THE DRAWINGS

[0062] The specific features of the invention involved in this application are shown in the appended claims. The features and advantages of the invention involved in this application can be better understood by referring to the exemplary embodiments described in detail below and the accompanying drawings. A brief description of the drawings is as follows:

[0063] FIG1 is a schematic front view of an LED lighting fixture according to an embodiment of the present application;

[0064] FIG2 is a schematic left side view of an LED lighting fixture according to an embodiment of the present application;

[0065] FIG3 is a schematic diagram showing a three-dimensional structure of an LED lighting fixture in one embodiment of the present application;

[0066] FIG4 is a schematic diagram showing a three-dimensional structure of a support unit in one embodiment of the present application;

[0067] FIG5 is a schematic diagram showing a disassembled structure of an LED lighting fixture in one embodiment of the present application;

[0068] FIG6 is a schematic diagram showing a three-dimensional structure of the light-emitting unit and the supporting unit in cooperation with each other in one embodiment of the present application;

[0069] FIG7 is a schematic diagram showing a three-dimensional structure of a light-emitting unit in one embodiment of the present application;

[0070] FIG8 shows a light pattern diagram of a first light-emitting component in one embodiment of the present application;

[0071] FIG9 is a schematic diagram showing a three-dimensional structure of the light-emitting unit and the supporting unit in cooperation in one embodiment of the present application;

[0072] FIG10 is a partial enlarged view of the base and the light-emitting unit in the embodiment shown in FIG9 of the present application;

[0073] FIG11 is a schematic diagram showing a cross-sectional structure of an LED lighting fixture along the X-axis direction in one embodiment of the present application;

[0074] FIG12 is a schematic diagram showing light emission of the LED lighting fixture in the embodiment shown in FIG11 of the present application;

[0075] FIG13 shows a light pattern diagram of the LED lighting fixture in the embodiment shown in FIG11 of the present application;

[0076] FIG14 is a schematic diagram showing a cross-sectional structure of an LED lighting fixture including a beam control assembly along the X-axis in one embodiment of the present application;

[0077] FIG15 is a partial enlarged view of part A in the embodiment shown in FIG14 of the present application;

[0078] FIG16 shows a light pattern diagram of the LED lighting fixture in the embodiment shown in FIG14 of the present application;

[0079] FIG17 is a schematic diagram showing the structure of a sawtooth lens in one embodiment of the present application;

[0080] FIG18 is a schematic diagram showing a partial structure of the sawtooth lens and the second light-emitting unit in cooperation with each other in one embodiment of the present application;

[0081] FIG19 shows a light pattern diagram of the LED lighting fixture in the embodiment shown in FIG18 of the present application;

[0082] FIG20 is a schematic diagram showing a cross-sectional structure of an LED lighting fixture including a beam control assembly along the X-axis in one embodiment of the present application;

[0083] FIG21 is a partial enlarged view of part B in the embodiment shown in FIG20 of the present application;

[0084] FIG22 shows a light pattern diagram of the LED lighting fixture in the embodiment shown in FIG20 of the present application;

[0085] FIG23 is a schematic diagram showing a three-dimensional structure of an LED lighting fixture in one embodiment of the present application;

[0086] FIG24A is a schematic diagram showing a disassembled structure of an LED lighting fixture in one embodiment of the present application;

[0087] [Corrected 10.12.2024 according to Rule 91] FIG24B shows a schematic diagram of the disassembled structure of an LED lighting fixture in another embodiment of the present application.

[0088] FIG25 is a schematic diagram showing a three-dimensional structure of the light-emitting unit, the beam control assembly, and the support unit in cooperation with each other in one embodiment of the present application;

[0089] FIG26 is a partial enlarged view of the base and optoelectronic module of the embodiment shown in FIG25 of the present application;

[0090] FIG27 is a schematic cross-sectional view of an LED lighting fixture according to an embodiment of the present application;

[0091] FIG28 is a partial enlarged view of portion C in the embodiment shown in FIG27 of the present application;

[0092] FIG29 shows a light pattern diagram of the LED lighting fixture in the embodiment shown in FIG27 of the present application;

[0093] FIG30 is a schematic diagram showing a three-dimensional structure of a reflective structure and a second light-emitting component in cooperation with each other in one embodiment of the present application;

[0094] FIG31 shows light patterns of an LED lighting fixture equipped with reflectors at different tilt angles according to an embodiment of the present application;

[0095] FIG32 shows light patterns of LED lighting fixtures configured with different first tilt angles in one embodiment of the present application;

[0096] FIG33 is a schematic diagram showing light emission of the first light-emitting component in the embodiment shown in FIG6 of the present application;

[0097] FIG34 is a schematic diagram showing a three-dimensional structure of the first light-emitting component and the supporting unit in cooperation in one embodiment of the present application;

[0098] FIG35 is a schematic diagram showing light emission of the first light-emitting component in the embodiment shown in FIG34 of the present application;

[0099] FIG36 is a schematic diagram showing a three-dimensional structure of an LED lighting fixture in one embodiment of the present application;

[0100] FIG37 is a schematic diagram showing the disassembled structure of the LED lighting fixture in the embodiment shown in FIG36 of the present application;

[0101] FIG38 is a schematic diagram showing a three-dimensional structure of the third light-emitting assembly and the supporting unit in one embodiment of the present application;

[0102] FIG39 is a schematic diagram showing light emission of the first light-emitting component and the third light-emitting component in the embodiment shown in FIG36 of the present application;

[0103] FIG40 is a schematic diagram showing the structure of the third light-emitting component and the supporting structure in one embodiment of the present application;

[0104] FIG41 shows a light pattern diagram of the LED lighting fixture in the embodiment shown in FIG36 of the present application;

[0105] FIG42 shows an illuminance diagram of the illuminated surface at a distance of 2.5 m from the LED lighting fixture in the embodiment shown in FIG36 of the present application;

[0106] FIG43 shows an illuminance diagram of various areas within the LED lighting fixture in the embodiment shown in FIG36 of the present application;

[0107] FIG44 is a schematic diagram showing the disassembled structure of the light processing unit in the embodiment shown in FIG37 of the present application;

[0108] FIG45 is a schematic cross-sectional view of the LED lighting fixture in the embodiment shown in FIG36 of the present application;

[0109] FIG46 is a schematic diagram of the three-dimensional structure of an LED lighting fixture in one embodiment of the present application;

[0110] FIG47A is a schematic diagram of the exploded structure of an LED lighting fixture according to an embodiment of the present application from one perspective;

[0111] FIG47B is a schematic diagram of the exploded structure of the LED lighting fixture in one embodiment of the present application from another perspective;

[0112] FIG47C is an exploded schematic diagram of a photoelectric unit of an LED lighting fixture in one embodiment of the present application;

[0113] FIG48 is a front view of an LED lighting fixture in one embodiment of the present application;

[0114] FIG49A is a schematic diagram of a partial cross-sectional structure taken along AA in FIG48;

[0115] FIG49B is a schematic structural diagram of a first bracket in one embodiment of the present application;

[0116] FIG49C is a simplified light output diagram in one embodiment of the present application;

[0117] FIG50 is a schematic diagram of the three-dimensional structure of an LED lighting fixture in another embodiment of the present application;

[0118] FIG51A is a schematic diagram of an exploded structure of an LED lighting fixture according to another embodiment of the present application from one viewing angle;

[0119] FIG51B is a schematic diagram of the exploded structure of an LED lighting fixture in another embodiment of the present application from another perspective;

[0120] FIG51C is a schematic diagram of the exploded structure of other components of an LED lighting fixture in another embodiment of the present application after removing the supporting unit;

[0121] FIG51D is a schematic diagram of the exploded structure of the LED lighting fixture of another embodiment of the present application, showing other components from another perspective after the support unit is removed;

[0122] FIG52 is a front view of an LED lighting fixture in another embodiment of the present application;

[0123] FIG53 is a schematic diagram of the partial cross-sectional structure of FIG52 along BB;

[0124] FIG54 is a perspective schematic diagram of an LED lighting fixture according to an embodiment of the present application;

[0125] FIG55 is a schematic diagram of the exploded structure of the LED lighting fixture according to an embodiment of the present application;

[0126] FIG56 is a partial enlarged schematic diagram of point a in FIG55;

[0127] FIG57 is a partial enlarged schematic diagram of point b in FIG55;

[0128] FIG58 is a schematic diagram of a cross-sectional perspective structure of an LED lighting fixture according to an embodiment of the present application;

[0129] FIG59 is a partial enlarged schematic diagram of point c in FIG58;

[0130] FIG60A is a cross-sectional schematic diagram of an LED lighting fixture according to an embodiment of the present application;

[0131] FIG60B is a schematic diagram of the light output angle coverage range in one embodiment of the present application;

[0132] FIG60C is another schematic diagram of the light output angle coverage range according to an embodiment of the present application;

[0133] FIG60D is another schematic diagram of the light output angle coverage range in one embodiment of the present application;

[0134] FIG61 is a schematic diagram of the side structure of the chassis component in an embodiment of the present application;

[0135] FIG62 is a schematic diagram of a three-dimensional structure of another embodiment of the present application;

[0136] FIG63A is a schematic diagram showing the surface brightness of a lampshade in a square lampshade state according to an embodiment of the present application;

[0137] FIG63B is a schematic diagram of the illumination of the illuminated surface at a distance of 2.5 m in a square lampshade state in one embodiment of the present application;

[0138] FIG63C is a schematic diagram of a light distribution curve in a square lampshade state according to an embodiment of the present application;

[0139] FIG64A is a schematic diagram showing the surface brightness of a lampshade in a curved lampshade state according to an embodiment of the present application;

[0140] FIG64B is a schematic diagram of the illumination of the illuminated surface at a distance of 2.5 m in a curved lampshade state according to an embodiment of the present application;

[0141] FIG64C is a schematic diagram of a light distribution curve in a curved lampshade state according to an embodiment of the present application;

[0142] FIG65 is a front view of an LED lighting fixture in one embodiment of the present application;

[0143] FIG66 is a schematic diagram of the back side of an LED lighting fixture in one embodiment of the present application;

[0144] FIG67 is an exploded view of the front view of an LED lighting fixture in one embodiment of the present application;

[0145] FIG68 is a schematic diagram of the structure of the bottom plate and the diffuser 222 in this embodiment of the present application; LED lighting fixture

[0146] FIG69 is a schematic structural diagram of an LED lighting fixture from another perspective after the base plate and the diffuser are combined in one embodiment of the present application;

[0147] FIG70 is a schematic diagram of a light-emitting unit disposed in a reinforcement structure according to an embodiment of the present application;

[0148] FIG71 is a schematic diagram showing the structure of an LED lighting fixture in an embodiment of the present application;

[0149] FIG72 is a schematic diagram of an exploded view of an LED lighting fixture 100 according to an embodiment of the present application;

[0150] FIG73 is a schematic transverse cross-sectional view of an optical component according to an embodiment of the present application;

[0151] FIG74 is a schematic diagram showing the back side of an LED lighting fixture according to an embodiment of the present application;

[0152] FIG75 is a front view of an LED lighting fixture according to another embodiment of the present application;

[0153] FIG76 is a schematic diagram showing the back side of an LED lighting fixture according to another embodiment of the present application;

[0154] FIG77 is a schematic diagram showing the structure of a chassis in one embodiment of the present application;

[0155] FIG78 is an exploded view of an LED lighting fixture according to an embodiment of the present application;

[0156] FIG79 is a cross-sectional view of an LED lighting fixture according to an embodiment of the present application, taken along a direction parallel to the side walls;

[0157] FIG80 is an enlarged view of a portion E in FIG79 of the present application;

[0158] FIG81 is a schematic diagram of a second light source according to an embodiment of the present application;

[0159] FIG82 is a front view of an LED lighting fixture according to another embodiment of the present application;

[0160] FIG83 is a schematic diagram of the back side of an LED lighting fixture in another embodiment of the present application;

[0161] FIG84 is an exploded view of an LED lighting fixture in one embodiment of the present application;

[0162] Figure 85 is an enlarged view of point F in Figure 84;

[0163] Figure 86 is an enlarged view of point G in Figure 84;

[0164] Figure 87 is a schematic diagram of an embodiment of the present application with the diffuser hidden.

[0165] Component number: 100, LED lighting fixture;

[0166] 1. Support unit; 11. Base; 111. Bottom plate; 1111. Bottom plate mounting portion; 112 (112') - First base sidewall; 113 (114) - Second base sidewall; 114 (12) - Reinforcement structure; 12. Back plate; 121 (12) - Light emitting curved surface; 122 (12) - Joint; 123 (12) - Protrusion; 124 (12) - Connecting portion; 13. Sidewall; 14. Support structure; 141 (14) - First mounting surface; 142 (14) - Second mounting surface; 15. Mounting hole; 16. Reinforcement rib;

[0167] 2. Photoelectric module; 21. Light-emitting unit; 201. Light source board; 202. Groove; 210. First bracket; 2101. Inner bracket; 2102. Outer bracket; 211. First light-emitting assembly; 211'(212"), first light-emitting assembly; 2111(2111'), first circuit board; 2112, first light-emitting body; 2112', first light-emitting body; 2112", first light-emitting body; 212, second light-emitting assembly; 212'(2 12”), second light-emitting assembly; 2121, second circuit board; 2122, second light-emitting body; 213, third light-emitting assembly; 2131, third circuit board; 2132, third light-emitting body; 22, light processing unit; 220, second bracket; 221, beam control assembly; 2211, sawtooth lens; 22111, base surface; 22112, sawtooth; 2212, TIR lens; 2213, reflective structure; 22131, first reflective Plate; 22132, second reflector; 222, diffuser; 2221, first diffuser; 22210, diffuser end cap; 2222, second diffuser; 2223, third diffuser; 2224, fourth diffuser; 2225, storage cavity; 2226, stopper; 2227, stripe structure; 22231, connecting structure; 22232, cover structure; 223, shading assembly; 2231, shading portion; 2232, frame portion; 224, first optical member; 225, second optical member; 2251, reflective cup; 22511, connecting portion; 225110, first insertion slot; 226, third optical member; 23, light shielding eaves; 2311, lower insertion slot; 24, hanging portion; 25, strip lens; 250, light strip cavity; 26, mounting bracket; 261, first mounting base; 262, second mounting base; 2621, first bending surface; 2622, second bending surface;

[0168] 3. Power module; 31. Power circuit board; 32. First power supply; 33. Terminal block; 34. Emergency power module; 341. Emergency power supply; 342. Energy storage battery; 343. Emergency test switch; 344. Emergency display light; 35. Power box; 36. Terminal box;

[0169] 4. Outer frame;

[0170] 5. Hanging support;

[0171] 6. Sensing device; DETAILED DESCRIPTION

[0172] The following describes the implementation of the present application through specific embodiments. People familiar with this technology can easily understand other advantages and effects of the present application from the contents disclosed in this specification.

[0173] In the following description, reference is made to the accompanying drawings, which describe several embodiments of the present application. It should be understood that other embodiments may also be used, and that changes in module or unit composition, electrical, and operational aspects may be made without departing from the spirit and scope of the present disclosure. The following detailed description should not be considered restrictive, and the scope of the embodiments of the present application is limited only by the claims of the published patents. The terms used herein are only for the purpose of describing specific embodiments and are not intended to limit the present application.

[0174] It will be understood that although the terms first, second, etc. may be used in some instances to describe various elements or parameters in this document, these elements or parameters should not be limited by these terms. These terms are only used to distinguish one element or parameter from another. For example, a first element may be referred to as a second element, and similarly, a second element may be referred to as a first element, without departing from the scope of the various described embodiments. The first element and the second element are both describing an element, but unless the context clearly indicates otherwise, they are not the same element. The terms "or" and "and / or" used in this document are interpreted as inclusive, or mean any one or any combination. Therefore, "A, B, or C" or "A, B, and / or C" means any of the following: A; B; C; A and B; A and C; B and C; A, B, and C. Exceptions to this definition occur only when the combination of elements, functions, steps, or operations is inherently mutually exclusive in some way.

[0175] It will be understood that when an element, such as a layer, region, or substrate, is referred to as being “on” or extending “onto” another element, the element may be directly on or directly extending onto the other element, or intervening elements may be present. Conversely, when an element is referred to as being “directly on” or “extending directly onto” another element, there are no intervening elements present. It will also be understood that when an element is referred to as being “connected” or “coupled” to another element, it may be directly connected or coupled to the other element, or there may be intervening elements present. Conversely, when an element is referred to as being “directly connected” or “directly coupled” to another element, there are no intervening elements present.

[0176] Relative terms such as "below" or "above" or "upper" or "lower" or "horizontal" or "vertical" may be used herein to describe the relationship of one element, layer, or region to another element, layer, or region as illustrated in the figures. It will be understood that these terms are intended to encompass different device orientations other than the orientation depicted in the figures. In this application, the terms "perpendicular," "horizontal," and "parallel" are defined as including ±10% of the standard definition. For example, perpendicular generally refers to an angle of 90 degrees relative to a reference line, but in this application, perpendicular refers to an angle of 80 to 100 degrees.

[0177] The terms used herein are for the purpose of describing particular embodiments only and are not intended to limit this application. When used herein, the singular forms "a," "an," and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. It will also be understood that when used herein, the terms "comprise," "include," "include," and / or "comprising" specify the presence of stated features, integers, steps, operations, elements, and / or parts, but do not preclude the presence or addition of one or more other features, integers, steps, operations, elements, parts, and / or combinations thereof.

[0178] Unless otherwise defined, all terms used herein (including technical and scientific terms) have the same meaning as commonly understood by those of ordinary skill in the art to which this application belongs. It will also be understood that the terms used herein should be interpreted as having meanings consistent with their meanings in the context of this specification and the relevant art, and should not be interpreted in an idealized or overly formal sense unless expressly defined as such herein. For example, terms such as "support" used in describing some embodiments may also be understood as "support."

[0179] Unless otherwise expressly stated, comparative quantitative terms such as "less than" and "greater than" are intended to encompass the concept of equality. For example, "less than" may not only mean "less than" in the strictest mathematical sense, but may also mean "less than or equal to."

[0180] This application discloses, in some embodiments, an LED lighting fixture, which can be suspended or fixed to a ceiling or suspended ceiling. Depending on the application, the LED lighting fixture disclosed in this application may also be referred to as a flat panel light, a pendant light, a recessed light, a cove light, a recessed light, or a ceiling light.

[0181] Referring to Figures 1 to 3, 23, and 36, Figure 1 shows a front view of an LED lighting fixture according to one embodiment of the present invention. Figure 2 shows a left side view of the LED lighting fixture according to one embodiment of the present invention. Figures 3, 23, and 36 each show a perspective view of an LED lighting fixture 100 according to one embodiment of the present invention. As shown, the LED lighting fixture includes a support unit 1 and an optoelectronic module 2 connected to the support unit 1. In some examples, the optoelectronic module 2 is connected to the support unit 1 in a replaceable (detachable) manner, allowing it to be quickly removed and replaced relative to the LED lighting fixture 100. If the optoelectronic module 2 is damaged, only the optoelectronic module 2 can be replaced, which reduces replacement costs and maintenance time compared to replacing the entire lamp. The optoelectronic module 2 can also be connected to the support unit 1 in a non-detachable manner, meaning that after the optoelectronic module 2 is fixed to the support unit 1, it cannot be easily removed. In other examples, the photovoltaic module 2 can be configured to be quickly installed with the support unit 1. Once installed, the photovoltaic module 2 and the support unit 1 cannot be easily disassembled. This allows the photovoltaic module 2 and the support unit 1 to be packaged and shipped separately during packaging and transportation, saving packaging and shipping costs. When the device is sold or used, the photovoltaic module 2 and the support unit 1 can be quickly installed.

[0182] Please refer to Figures 1 to 4. Figure 4 is a schematic diagram of the three-dimensional structure of the support unit in one embodiment of the present application. As shown in the figure, the support unit 1 includes a base 11. In the embodiments shown in Figures 2 and 4, the support unit 1 also includes a back plate 12. The back plate 12 is arranged around the base 11, or it can also be described as the back plate 12 extending from the base 11 to the periphery. In some embodiments, the back plate can also be referred to as the side wall of the LED lighting fixture. The back plate 12 is arranged around the base 11 and forms a accommodating space with the base 11. Referring to Figures 2, 5, and 9, a rectangular coordinate system is established, with the plane where the base plate 111 is located as the XY plane, and the direction perpendicular to the base plate as the Z axis. In this embodiment of the present application, a direction extending along the first light-emitting component 211 is the X axis, and a direction perpendicular to the first light-emitting component 211 is the Y axis. The back panel 12 can be tilted or horizontally set relative to the base 11. For example, the inclination angle of the back panel 12 and the base 11 (such as the angle in Figure 2) can be set to 0 degrees to 90 degrees. As shown in Figure 2, the inclination angle refers to the angle α between the back panel 12 and the horizontal section X of the base 11. In a more specific example, the inclination of the back panel 12 and the base 11 can be 15 degrees, 16 degrees, 17 degrees, 18 degrees, 19 degrees, 20 degrees, 21 degrees, 22 degrees, 23 degrees, 24 degrees, 25 degrees, 26 degrees, 27 degrees, 28 degrees, 29 degrees, or 30 degrees, etc. Preferably, it can be set to an angle of 20 degrees.

[0183] In one embodiment, the base 11 is located in the middle area, and the front area of ​​the support unit 1 covered by the base 11 accounts for 15% to 50% of the front area of ​​the support unit 1 (for example, approximately 15%, 16%, 17%, 18%, 19%, 20%, 21%, 22%, 23%, 24%, 25%, 26%, 27%, 28%, 29%, 30%, 31%, 32%, 33%, 34%, 35%, 36%, 37%, 38%, 39%, 30%, 41%, 42%, 43%, 44%, 45%, 46%, 47%, 48%, 49%, or 50%). Here, the front area refers to the projected area in the direction perpendicular to the support unit 1 (wherein the direction perpendicular to the support unit 1 is defined as the horizontal direction, and section X in Figure 2 is the horizontal section). Considering that in some embodiments, the photovoltaic module 2 includes at least a light-emitting unit, which is disposed on the base 11, it can be understood that the front area of ​​the support unit 1 used for the light-emitting region accounts for 15% to 50% of the front area of ​​the support unit 1. More specifically, considering material costs and aesthetics, the front area of ​​the support unit 1 covered by the base 11 is set to account for approximately 33.3% of the front area of ​​the support unit 1 (33.3% can be understood as an approximate value of 1 / 3).

[0184] Please refer to Figures 1, 3, 5, 24A, and 37. Figures 5, 24A, and 37 are schematic diagrams of the disassembled structure of an LED lighting fixture in one embodiment of the present application. As shown in Figure 5, the optoelectronic module 2 includes a light-emitting unit 21 and a light processing unit 22. The light-emitting unit 21 is used to emit light for illumination, and the light processing unit 22 is used to process the light emitted by the light-emitting unit 21 before emitting it. For example, the light processing unit 22 can change the light emission path of the light-emitting unit 21, that is, the light processing unit 22 is disposed on the light emission path of the light-emitting unit 21. The base 11 of the support unit 1 at least provides a mounting position for the light-emitting unit 21. In other words, at least a portion of the light-emitting unit 21 is disposed on the base 11 or in a storage space provided by the base 11. In this application, the side of the support unit 1 where the light-emitting unit 21 is disposed is defined as the front side, and the other side opposite the front side is defined as the back side. The base 11 also provides a mounting position for the light processing unit 22. In other words, the light processing unit 22 can also be disposed on the base 11 or in a storage space formed by the base 11. Of course, in other embodiments, the base 11 may also provide a mounting location or accommodation space for other components, units, modules, modules, or members of the optoelectronic module 2. It should be understood that FIG5 is only an example of a disassembled structure, and in some embodiments, the optoelectronic module 2 may not be provided with the light processing unit 22.

[0185] Please refer to Figures 6 and 7. Figure 6 shows a schematic diagram of the three-dimensional structure of the light-emitting unit and the support unit in one embodiment of the present application. Figure 7 shows a schematic diagram of the three-dimensional structure of the light-emitting unit in one embodiment of the present application. As shown in the figure, the base 11 of the support unit 1 has a bottom plate 111. The light-emitting unit 21 includes at least one first light-emitting component 211. The at least one first light-emitting component 211 is configured on the bottom plate 111. The first light-emitting component 211 may include a first circuit board 2111 and at least one first light-emitting body 2112 disposed on the first circuit board. The first light-emitting body 2112 may be an LED lamp bead or other types of LED light-emitting monomers. The first circuit board 2111 is attached (for example, directly attached or attached through an intermediate medium) to the base plate 111, and a plurality of first light-emitting bodies 2112 can be provided. The plurality of first light-emitting bodies 2112 are evenly or partially evenly distributed on the first circuit board 2111. The 2112 on adjacent first light-emitting components 211 can be aligned or staggered with each other. In Figures 6 and 7, the number of first light-emitting bodies 2112 is set as 24 as an example. Those skilled in the art can also set any number of first light-emitting bodies 2112 according to actual needs. In some embodiments, the first light-emitting components 211 can be arranged into at least two groups, that is, the light-emitting unit 21 has at least two groups of light-emitting components. At least two groups can be understood as two or more groups, each group being arranged in parallel on the base plate 111. For example, the first light-emitting components 211 can be arranged into 2 groups, 3 groups, 4 groups, 5 groups, or 6 groups. In the embodiments shown in Figures 6 and 7, the first light-emitting components 211 are arranged into 4 groups. Of course, in other embodiments, such as some specific installation environments or lighting structure limitations, the first light-emitting components 211 can also be arranged into only one group. In other words, those skilled in the art can, inspired by the above embodiments of this application, select any number of groups to be arranged on the base plate 111 according to actual needs. In another embodiment, the spacing distances between the first light-emitting bodies 2112 are at least two types.

[0186] In another embodiment, the first light-emitting components 211 can be arranged into at least two groups, and adjacent first light-emitting components 211 are not parallel, that is, the extension lines of the side lengths of adjacent first light-emitting components 211 intersect, or there are at least two types of spacings between adjacent first light-emitting components 211.

[0187] Please refer to Figures 6 and 8. Figure 8 shows a light pattern diagram of the first light-emitting component in one embodiment of the present application. As shown in the figure, the light pattern of the first light-emitting component 211 is a distribution in which the light intensity is strongest at an exit angle of 0 degrees, and the light intensity decreases continuously with the increase of the exit angle. For example, the light pattern distribution of the first light-emitting component 211 is a Lambertian light pattern or a near-Lambertian light pattern. In the example in which the light-emitting unit 21 only includes the first light-emitting component 211, the light pattern distribution of the LED lighting fixture also corresponds to the light pattern distribution of the first light-emitting component 211. This will make the lighting of the LED lighting fixture uneven, and the luminous intensity in the area directly below the first light-emitting component 211 is higher. When applied to a space to be illuminated, a central light spot phenomenon will appear in the space in which the middle area of ​​the LED lighting fixture is brighter and the surrounding areas are darker.

[0188] The area directly below the first light emitting component 211 mentioned here and subsequently can be understood as the area of ​​the preset beam angle of the first light emitting component 211. In some examples, the preset beam angle can be set to 10 degrees to 60 degrees (for example, approximately 10 degrees, 11 degrees, 12 degrees, 13 degrees, 14 degrees, 15 degrees, 16 degrees, 17 degrees, 18 degrees, 19 degrees, 20 degrees, 21 degrees, 22 degrees, 23 degrees, 24 degrees, 25 degrees, 26 degrees, 27 degrees, 28 degrees, 29 degrees, 30 degrees, 31 degrees, 32 degrees, 33 degrees, 34 degrees, 35 degrees, 36 degrees, 37 degrees, 38 degrees, 39 degrees, 40 degrees, 41 degrees, 42 degrees, 43 degrees, 44 degrees, 45 degrees, 46 degrees, 47 degrees, 48 ​​degrees, 49 degrees, 50 degrees, 51 degrees, 52 degrees, 53 degrees, 54 degrees, 55 degrees, 56 degrees, 57 degrees, 58 degrees, 59 degrees, or 20 degrees). Taking the preset beam angle as 10 degrees as an example, the area directly below the first light-emitting component 211 refers to the area in the range of -5 degrees to 5 degrees with the center line of the beam (i.e., the main axis of maximum light intensity) as an angle of 0 degrees. In some examples, the preset beam angle can also be set with light intensity as a reference. The preset beam angle can be set to an angle of 20% of the maximum light intensity to an angle of 60% of the maximum light intensity. Taking the angle set to 20% of the maximum light intensity as an example, the area directly below the first light-emitting component 211 refers to the angle area between the two beams with a light intensity equal to 20% of the maximum light intensity. It should be understood that in the embodiment where the first light-emitting component 211 is arranged in the middle area of ​​the LED lighting fixture, the area directly below the first light-emitting component 211 can also be referred to as the middle area of ​​the LED lighting fixture or the area directly below the LED lighting fixture, which will not be further described later.

[0189] The peripheral areas of the first light-emitting component 211 mentioned here and later (for example, the left, right, front, and back sides, also referred to as the peripheral areas) can be understood as the peripheral areas of the area directly below the first light-emitting component 211. In this application, the peripheral areas and the area directly below are allowed to overlap within a certain range at the junction. Relative to the position of the first light-emitting component 211, the peripheral areas of the first light-emitting component 211 include: the front area, the rear area, the left area, the right area, etc. When it comes to a specific orientation in the peripheral area, this application uses orientation nouns in some embodiments (such as front, back, left, and right, etc.). When no specific orientation is specifically indicated, this application can directly use the peripheral area in some embodiments. It should be understood that in the embodiment where the first light-emitting component 211 is arranged in the middle area of ​​the LED lighting fixture, the peripheral areas of the first light-emitting component 211 can also be referred to as the peripheral areas of the LED lighting fixture, which will not be described in detail later.

[0190] In view of the central light spot situation as shown in FIG8 and its description, in some embodiments, the light-emitting unit 21 may further include a second light-emitting component 212. The purpose is to design the structure and / or parameters of the support unit and / or optoelectronic module in the LED lighting fixture so that the light pattern distribution of the first light-emitting component 211 and the second light-emitting component 212 are combined to form the light pattern distribution of the LED lighting fixture, thereby eliminating the central light spot phenomenon described in FIG6, FIG8, and its description, and greatly improving the lighting uniformity of the LED lighting fixture. More specifically, in some embodiments, the relative position of the first light-emitting component and the second light-emitting component can also be used to diversify the light emission angles. That is, by providing at least two light-emitting components, and at least two light-emitting components having at least two light emission angles, the light-emitting unit 21 has at least two light emission angles, so that the light pattern distribution of the LED lighting fixture formed by the combination of the two light pattern distributions is relatively uniform, for example, a batwing light pattern or a near-batwing light pattern. Among them, the batwing light pattern refers to a light pattern distribution that spreads out to both sides like a bat wing, showing that the light intensity in the middle area (i.e., the area with a smaller exit angle) is slightly lower, and the light intensity in the two side areas (i.e., the area with a larger exit angle) is slightly higher. The near-batwing light pattern refers to a light pattern distribution that is not an ideal batwing shape. Although its light pattern distribution does not show the standard slightly higher light intensity on both sides, the overall light pattern distribution shows that the light intensity in the middle and on both sides is not much different, or in other words, the difference is within an acceptable range of uniformity. Batwing light patterns or near-batwing light patterns can help lamps achieve highly uniform lighting and allow two lamps to be installed with a larger distance between them.

[0191] In one embodiment, please refer to Figures 5, 7, and 9. Figure 9 shows a schematic diagram of the three-dimensional structure of the light-emitting unit and the support unit in one embodiment of the present application. The second light-emitting component 212 is arranged on the base 11 and is arranged on the peripheral side of the first light-emitting component 211 and is tilted relative to the first light-emitting component 211. Here, the peripheral side of the first light-emitting component 211 refers to the peripheral side of the area occupied by the first light-emitting component 211. When the first light-emitting component 211 is arranged in multiple groups, its peripheral side refers to the peripheral side of the area occupied by each first light-emitting component 211 as a whole, such as the peripheral side of the bottom plate 111. Among them, with the light emitting direction as a reference, the tilted arrangement of the second light-emitting component 212 relative to the first light-emitting component 211 means that the light-emitting side of the second light-emitting component 212 is tilted toward the light-emitting side of the first light-emitting component 211, or in other words, the optical axes (or the extension lines of the optical axes) of the first light-emitting component 211 and the second light-emitting component 212 intersect. In other words, the light emitted by the second light-emitting component 212 is mainly distributed in the peripheral area of ​​the first light-emitting component 211. That is, if the first light-emitting assembly 211 contributes to the light intensity in the central area of ​​the LED lighting fixture, the second light-emitting assembly 212 mainly contributes to the light intensity in the peripheral area of ​​the LED lighting fixture, thereby greatly improving the uniformity of the light intensity distribution of the LED lighting fixture and avoiding the occurrence of a central light spot. Of course, in other embodiments, the first light-emitting assembly 211 and the second light-emitting assembly 212 can also be spaced apart or arranged closely together.

[0192] As shown in FIG7 , the second light-emitting component 212 may include a second circuit board 2121 and at least one second light-emitting body 2122 disposed on the second circuit board 2121. The second light-emitting body 2122 may be an LED lamp bead, or other types of LED light-emitting monomers. The second circuit board 2121 is attached (for example, directly attached or attached through an intermediate medium) to the base 11. The second light-emitting body 2122 may be provided in a plurality of pieces, and the plurality of second light-emitting bodies 2122 are evenly distributed on the second circuit board 2121. FIG7 and FIG9 take the first light-emitting body 2122 as an example and are provided with 24 pieces. Those skilled in the art may also provide any number of second light-emitting bodies 2122 according to actual needs. In some embodiments, the second light-emitting component 212 may also be provided in a plurality of groups, each group being arranged around and tilted relative to the first light-emitting component 211 on the circumference of the first light-emitting component 211.

[0193] In another embodiment, the second light emitting bodies 2122 may be non-uniformly arranged on the second circuit board 2121. The second light emitting bodies on adjacent second light emitting components 212 are staggered.

[0194] In some embodiments, the second light-emitting component 212 can be tilted relative to the first light-emitting component 211 by making the mounting surface of the second light-emitting component 212 form a certain angle with the mounting surface of the first light-emitting component 211 .

[0195] Please refer to Figures 2, 9 to 11. Figure 10 is a partial enlarged view of the base and the light-emitting unit in the embodiment shown in Figure 9 of the present application. Figure 11 is a schematic diagram of the cross-sectional structure of the LED lighting fixture along the X-axis direction in one embodiment of the present application. As shown in the figure, the base 11 further has a first base side wall 112, that is, the base 11 has a bottom plate 111 and a first base side wall 112. The first base side wall 112 is formed by extending from the edge of the bottom plate 111 toward the light-emitting direction (that is, the front direction of the support unit 1). The first base side wall 112 has a first inclination angle β relative to the bottom plate 111, and the first base side wall 112 is arranged around the bottom plate 111. The first light-emitting component 211 is disposed on the bottom plate 111 (i.e., the bottom plate 111 can be understood as the mounting surface of the first light-emitting component 211), and the second light-emitting component 212 is disposed on the first base side wall 112 (i.e., the first base side wall 112 can be understood as the mounting surface of the second light-emitting component 212), so that the inclination angle of the second light-emitting component 212 relative to the first light-emitting component is the first inclination angle β. The first base side wall 112 can be provided in multiple groups, and the second light-emitting components 212 can also be provided in multiple groups corresponding to the number of first base side walls 112 to emit light in different directions. For example, the bottom plate 111 of the base 11 is provided in a polygonal shape, and the base 11 has multiple groups of first base side walls 112 corresponding to the number of sides of the polygon, and each group of first base side walls 112 is provided with a corresponding second light-emitting component 212. In the embodiments shown in Figures 9 to 11, the bottom plate 111 of the base 11 is configured as a quadrilateral, and the base 11 has four groups of first base side walls 112. A second light-emitting component 212 is correspondingly arranged on each group of first base side walls 112. The bottom plate 111 and the first base side walls 112 form a bottom plate accommodating space, and at least a portion of the optoelectronic module 2 is arranged in the accommodating space.

[0196] In order to ensure that the light intensity distribution of the LED lighting fixture 100 meets the uniformity requirement, the first inclination angle β of the first base side wall 112 relative to the bottom plate 111 is set to 15 degrees to 45 degrees (for example, approximately 15 degrees, 16 degrees, 17 degrees, 18 degrees, 19 degrees, 20 degrees, 21 degrees, 22 degrees, 23 degrees, 24 degrees, 25 degrees, 26 degrees, 27 degrees, 28 degrees, 29 degrees, 30 degrees, 31 degrees, 32 degrees, 33 degrees, 34 degrees, 35 degrees, 36 degrees, 37 degrees, 38 degrees, 39 degrees, 40 degrees, 41 degrees, 42 degrees, 43 degrees, 44 degrees, or 45 degrees). If the angle is less than 15 degrees, the first light-emitting component 211 and the second light-emitting component 212 emit light in a manner close to the same plane (for example, the horizontal section X in FIG11 ), and the light emitted by the second light-emitting component 212 and the first light-emitting component 211 is relatively dispersed. For example, the light emitted by the second light-emitting component 212 is mainly distributed on one side that is a certain distance away from the light emitted by the first light-emitting component 211. Not only can the illumination uniformity of the LED lighting fixture not be improved, but multiple light spots may even appear during illumination of the LED lighting fixture, thereby exacerbating the illumination unevenness of the LED lighting fixture. If the first inclination angle β is greater than 45 degrees, then in one case (the first inclination angle β is too different from 45 degrees, for example, greater than 60 degrees) most of the light emitted by the second light-emitting component 212 will be directed toward the accommodation space formed by the support unit 1. In this way, it is easy to be blocked by some parts, units, modules, components, etc. arranged on the support unit 1. For example, in the example shown in Figure 5, in which the light processing unit 22 is arranged on the light-emitting unit 21, most of the light emitted by the second light-emitting component 212 will be blocked by some components in the light processing unit 22 and emitted after being processed by the light processing unit 22; in another case (the first inclination angle β is not much different from 45 degrees, for example, less than 60 degrees), most of the light emitted by the two light-emitting components (211, 212) will be concentrated in the same area, and the illumination uniformity of the LED lighting fixture will not be enhanced, and it is difficult to form a bat wing light type or a near bat wing light type. In this embodiment, more preferably, the first tilt angle β can be set to 30 degrees to 45 degrees. Setting the first tilt angle β in this range can enable the LED lighting fixture to present a batwing light pattern or a near-batwing light pattern. Furthermore, in a specific example, the first tilt angle β can be set to 20 degrees.

[0197] It should be noted that in embodiments having multiple sets of first base side walls 112, each set of first base side walls 112 extends toward the periphery of the base plate 111. As shown in Figures 10 and 11, there are four sets of first base side walls 112, each extending toward the front, back, left, and right of the base plate 111, and each forming a first inclination angle β with the base plate 111. The positions of the four sets of first base side walls 112 are defined as front, back, left, and right, respectively. From the perspective of the figures, the position of the upper first base side wall 112 is defined as the front, the position of the lower first base side wall 112 is defined as the rear, the position of the left first base side wall 112 is defined as the left, and the position of the right first base side wall 112 is defined as the right. It should be understood that the figures are merely examples, and each set of first base side walls 112 does not necessarily need to have the same first inclination angle β. It is sufficient that each set of first base side walls 112 has a first inclination angle β relative to the base plate 111 that is between 15 and 45 degrees.

[0198] Please refer to Figures 12 and 13. Figure 12 shows a schematic diagram of the light emission of the LED lighting fixture in the embodiment shown in Figure 11 of the present application, and Figure 13 shows a light pattern diagram of the LED lighting fixture in the embodiment shown in Figure 11 of the present application. For the convenience of description and illustration, Figure 12 takes the second light-emitting component 212 set on the left first base side wall 112 and a group of first light-emitting components 211 attached to the middle of the bottom plate 111 as examples to illustrate the light emission of the LED lighting fixture. The principles of other groups of first light-emitting components 211 and second light-emitting components 212 are similar and will not be repeated here. Figure 13 shows a light pattern diagram formed by the combination of all first light-emitting components 211 and second light-emitting components 212. As shown in the figure, the light emitted by the first light-emitting component 211 is mainly concentrated in the area directly below the first light-emitting component 211, which is also referred to as the middle area of ​​the LED lighting fixture in some examples. The second light-emitting component 212 located on the left side is arranged obliquely to the first light-emitting component 211, and its emitted light is mainly distributed in the left area of ​​the first light-emitting component 211. Similarly, the light emitted by the second light-emitting component 212 located on the right side should be mainly distributed in the right area of ​​the first light-emitting component 211, the light emitted by the second light-emitting component 212 located on the front side should be mainly distributed in the front area of ​​the first light-emitting component 211, and the light emitted by the second light-emitting component 212 located on the rear side should be mainly distributed in the rear area of ​​the first light-emitting component 211, so that the light emitted by the second light-emitting component 212 is mainly distributed in the peripheral area of ​​the first light-emitting component 211. As shown in Figures 12 and 13, the first light-emitting component 211 contributes to the light intensity of the middle area of ​​the LED lighting fixture, and the second light-emitting component 212 mainly contributes to the light intensity of the peripheral area of ​​the LED lighting fixture. In the light pattern of the LED lighting fixture, the difference in light intensity between the middle and peripheral areas is not large (for example, in the range of -40 degrees to 40 degrees, the difference in light intensity is within an acceptable range of uniformity), which greatly improves the uniformity of the light intensity distribution of the LED lighting fixture and avoids the occurrence of a central light spot phenomenon.

[0199] In some embodiments, as described above, the optoelectronic module 2 may further include a light processing unit 22, which is used to process the light emitted by the light-emitting unit 21. The light processing unit 22 is arranged on the base 11. In order to provide an adaptive accommodation space or position, in some embodiments, as shown in Figures 9 to 11, the base 11 further has a second base side wall 113, the second base side wall 113 is connected to the first base side wall 112, and has a second inclination angle γ relative to the first base side wall 112. In other words, the second base side wall 113 is formed by bending the first base side wall 112 toward the light emitting direction (also referred to as the front direction of the support unit) and then continuing to extend. In the embodiments shown in Figures 9 to 11, the number of the second base side walls 113 is consistent with the number of the first base side walls 112, that is, the bottom plate 111 of the base 11 is set to a quadrilateral, the first base side walls 112 are set to 4 groups corresponding to the four sides of the quadrilateral, and the second base side walls 113 also have 4 groups. Of course, those skilled in the art may also design the number of the second base side walls 113 to be different from that of the first base side walls 112 according to the actual shape, and this application does not limit this.

[0200] It should be noted that, in some embodiments, the second base side wall 113 can also serve as a reflection surface for the light emitted by the second light-emitting component 212, so as to reflect the light with a larger emission angle of the second light-emitting component 212 back to the surrounding area of ​​the light-emitting first light-emitting component 211. As shown in FIG12 , the light m is formed by the light emitted by the second light-emitting component 112 on the left side and then reflected onto the second base side wall 113. Therefore, the second base side wall 113 can make the light emitted by the second light-emitting component 212 more concentrated in the surrounding area of ​​the light-emitting first light-emitting component 211, thereby improving the uniformity of the light output of the LED lighting fixture.

[0201] In one embodiment, the light processing unit 22 includes a beam control component, which is used to change the light output path of the light-emitting unit to achieve a better light output effect. In a specific example, the beam control component is disposed on the light output side of the second light-emitting component 212 and is used to change the path of at least part of the light emitted by the second light-emitting component 212 so that the light output from the second light-emitting component 212 is mainly distributed in the surrounding area of ​​the first light-emitting component 211. For example, the beam control component can change the light emitted by the second light-emitting component 212 that is directed to the area directly below the first light-emitting component 211 or the middle area of ​​the LED lighting fixture to be directed to the surrounding area of ​​the first light-emitting component 211 or the surrounding area of ​​the LED lighting fixture. It can also focus the light emitted by the second light-emitting component 212 at an excessively large angle to the surrounding area of ​​the first light-emitting component 211, thereby enabling the LED lighting fixture to form a batwing beam pattern or a near-batwing beam pattern, further improving the light output uniformity of the LED lighting fixture.

[0202] Please refer to Figures 14 and 15. Figure 14 is a schematic diagram of the cross-sectional structure of an LED lighting fixture along the X-axis direction including a beam control component in one embodiment of the present application. Figure 15 is a partial enlarged view of part A of the present application in the embodiment shown in Figure 14. As shown in the figure, the light processing unit 22 includes a beam control component 221. The beam control component 221 includes a serrated lens 2211. The serrated lens 2211 is arranged on the light-emitting side of the second light-emitting component 212. The number of groups corresponding to the second light-emitting component 212 can be set. In the embodiments shown in Figures 14 to 15, the serrated lens 2211 has 4 groups corresponding to the number of second light-emitting components 212. The serrated lens 2211 is arranged parallel to each second light-emitting component 212 (in some embodiments, it can also be understood that the serrated lens 2211 is parallel to the first base side wall 112). The serrated lens 2211 is arranged as a long strip extending in the length direction of the second light-emitting component 212, so that the light emitted by each second light-emitting body of the second light-emitting component 212 can pass through the serrated lens 2211 to change the light output path of the second light-emitting component 212.

[0203] The curved surfaces of the sawtooth lens 2211 face away from the first light-emitting component 211, and are used to refract a portion of the light emitted by the second light-emitting component 212, so that the portion of light is emitted at a wider angle (greater than the original emission angle). This further distributes the light emitted by the second light-emitting component 212 to both sides of the first light-emitting component 211, with virtually no contribution to the area directly below the first light-emitting component 211. Specifically, please refer to FIG. 15 in conjunction with FIG. 16 , which shows the light pattern of the LED lighting fixture in the embodiment shown in FIG. 14 of the present application.

[0204] As shown in Figure 15, the working principle of the second light-emitting component 212 on the right is explained. The sawtooth lens 2211 refracts part of the light emitted by the second light-emitting component 212 on the right to output at a wider angle, so that the light that may be projected to the area directly below the first light-emitting component 211 (which can also be understood as the middle area of ​​the LED lighting fixture, such as the range of -10 degrees to 10 degrees in Figure 16) with the original light output path is refracted to the left area of ​​the first light-emitting component 211 (the range of -15 to -40 degrees in Figure 16). As shown in Figure 16, the light output of the second light-emitting component 212 on the right is mainly distributed in the left area (for example, the range of -15 degrees to -40 degrees in Figure 16) and the right area (for example, the range of 15 degrees to 40 degrees in Figure 16). Similar to the second light-emitting component 212 on the right, the light output of the second light-emitting component 212 on the left is also mainly distributed on the left and right sides. The light pattern distribution of the second light-emitting components 212 on the left and right sides is combined with the light pattern distribution of the first light-emitting component 211 to form a batwing light pattern.

[0205] It should be understood that Figures 14 to 16 illustrate only the left and right second light-emitting components 212 as examples. The operating principles of the front and rear second light-emitting components 212 are similar. After the front and rear second light-emitting components 212 are acted upon by their respective corresponding sawtooth lenses 2211, the light emitted will be primarily distributed on the front and rear sides. Combined with the light distribution of the first light-emitting component 211, a batwing light pattern as shown in Figure 16 can be obtained. Similarly, after the front, rear, left, and right second light-emitting components 212 are acted upon by their respective corresponding sawtooth lenses 2211, the light emitted will be primarily concentrated on the four sides, i.e., around the light emitted by the first light-emitting component 211. Combined with the light distribution of the first light-emitting component 211, a batwing light pattern can also be obtained, which will not be further described here.

[0206] In one embodiment, please refer to FIG. 17 , which illustrates a schematic structural diagram of a sawtooth lens in one embodiment of the present application. As shown, the sawtooth lens 2211 includes a base surface 22111 and a plurality (or at least one) of sawteeth 22112. The base surface 22111 has a thickness d, which can be set to 0.5 mm to 2 mm (e.g., approximately 0.5 mm, 0.6 mm, 0.7 mm, 0.8 mm, 0.9 mm, 1 mm, 1.1 mm, 1.2 mm, 1.3 mm, 1.4 mm, 1.5 mm, 1.6 mm, 1.7 mm, 1.8 mm, 1.9 mm, or 2 mm). For example, in the embodiment shown in FIG. 14 to 15 , the thickness d is set to 1 mm. The number of sawteeth 22112 can be 6 to 9, each occupying a certain width k (e.g., 3 mm) of the base plate and extending upward from the base surface 22111. Each sawtooth 22112 is configured as a curved lens having a curved surface and a vertical surface. In some examples, the vertical surface height h of each sawtooth 22112 can be set to be the same, for example, set to 2 mm to 5 mm (for example, approximately 2 mm, 2.1 mm, 2.2 mm, 2.3 mm, 2.4 mm, 2.5 mm, 2.6 mm, 2.7 mm, 2.8 mm, 2.9 mm, 3 mm, 3.1 mm, 3.2 mm, 3.3 mm, 3.4 mm, 3.5 mm, 3.6 mm, 3.7 mm, 3.8 mm, 3.9 mm, 4.1 mm, 4.2 mm, 4.3 mm, 4.4 mm, 4.5 mm, 4.6 mm, 4.7 mm, 4.8 mm, 4.9 mm, 5.1 mm, 5.2 mm, 5.3 ...4 mm, 4.5 mm, In some examples, the vertical heights h of the saw teeth 22112 may be set to be unequal. For example, the vertical heights h of the two adjacent saw teeth 22112 may be equal, and the height difference may be set to be approximately 0.2 mm to 0.4 mm.

[0207] In an embodiment where the sawtooth lens 2211 is disposed in an LED lighting fixture, for example, as shown in FIG. 14 and FIG. 15 , the curved surface of each sawtooth 22112 of the sawtooth lens 2211 faces away from the first light-emitting component 211 . In other embodiments, the curved surfaces of the saw teeth 22112 of the sawtooth lens 2211 are arranged in a direction close to the first light-emitting component 211, please refer to Figures 18 and 19. Figure 18 is a schematic diagram of the partial structure of the sawtooth lens and the second light-emitting unit in one embodiment of the present application, and Figure 19 is a light pattern diagram of the LED lighting fixture in the embodiment shown in Figure 18 of the present application. As shown in the figure, the curved surfaces of the sawtooth 22112 of the sawtooth lens 2211 are arranged in a direction close to the first light-emitting component 211. Under the effect of the sawtooth lens 2211 on refraction of part of the light emitted by the second light-emitting component 212 on the right, although the light that may be projected to the area directly below the first light-emitting component 211 in the original light-emitting path can be refracted to the area to the right of the first light-emitting component 211, it will also refract part of the light to the area directly below the first light-emitting component 211. Combined with the light pattern of the light output on the right side of Figure 19, it can be seen that under the action of the serrated lens 2211 arranged as shown in Figure 18, the light output of the second light-emitting component 212 will be distributed on the left and right sides and the area directly below the first light-emitting component 211, that is, the second light-emitting component 212 not only contributes to the light intensity of the peripheral area of ​​the LED lighting fixture, but also contributes to the light intensity of the middle area of ​​the LED lighting fixture. The second light-emitting component 212 on the left is similar to the second light-emitting component 212 on the right, and also contributes to the light intensity of the middle area of ​​the LED lighting fixture. The light pattern distribution of the second light-emitting components 212 on the left and right sides is combined with the light pattern distribution of the first light-emitting component 211 to form the light pattern corresponding to the left, middle and right light output as shown in Figure 19. It can be seen that it is a non-ideal bat-wing light pattern, and the uniformity cannot reach the effect after the serrated lens 2211 is arranged as shown in Figures 14 and 15.

[0208] It should be understood that Figures 18 and 19 are only used as examples for explanation of the second light-emitting components 212 on the left and right sides. The working principles of the second light-emitting components 212 on the front and rear sides are similar to those on the left and right sides. After the second light-emitting components 212 on the front and rear sides are acted upon by their respective corresponding sawtooth lenses 2211, the light emitted will be concentrated on the front and rear middle sides. Combined with the light distribution of the first light-emitting component 211, a light pattern similar to that of Figure 19 can be obtained. Similarly, after the second light-emitting components 212 on the front and rear sides are acted upon by their respective corresponding sawtooth lenses 2211, the light emitted will be concentrated on the front and rear middle sides. Combined with the light distribution of the first light-emitting component 211, a light pattern similar to that of Figure 19 can be obtained. No further details will be given here.

[0209] Referring to Figures 20 and 21 , Figure 20 illustrates a schematic cross-sectional view of an LED lighting fixture including a beam control assembly along the X-axis in accordance with one embodiment of the present invention. Figure 21 illustrates a partially enlarged view of portion B of the embodiment shown in Figure 20 . As shown, the light processing unit 22 includes a beam control assembly 221, which includes TIR lenses 2212 (also known as total internal reflection lenses). The TIR lenses 2212 are disposed on the light-emitting side of the second light-emitting assemblies 212. The number of TIR lenses 2212 provided corresponds to the number of second light-emitting assemblies 212. In the embodiment shown in Figures 18 and 19 , four TIR lenses 2212 are provided, corresponding to the number of second light-emitting assemblies 212. The TIR lenses 2212 are disposed parallel to each second light-emitting assemblies 212 (i.e., parallel to the first base sidewall 112 ) to alter the light-emitting paths of the second light-emitting assemblies 212.

[0210] The TIR lens 2212 is used to refract some of the light emitted by the second light-emitting assembly 212, causing it to be emitted at a narrower angle (less than the original angle). This further distributes the light emitted by the second light-emitting assembly 212 to the areas on both sides of the first light-emitting assembly, with little contribution to the area directly below the first light-emitting assembly 211, or the central area of ​​the LED lighting fixture. Specifically, please refer to Figure 21 in conjunction with Figure 22, which shows the light pattern of the LED lighting fixture in the embodiment shown in Figure 20 of this application. As shown in Figure 21, the TIR lens 2212 refracts part of the light emitted by the second light-emitting component 212 on the right to output at a narrower angle, so that the light that may be projected to the middle area of ​​the LED lighting fixture along the original light-emitting path is refracted to the right area. Combined with Figure 22, the light emitted by the second light-emitting component 212 on the right is mainly distributed in the left area (within the range of -15 degrees to -20 degrees in Figure 22) and the right area (within the range of 15 degrees to 25 degrees in Figure 20) of the LED lighting fixture. Similarly, the light emitted by the second light-emitting component 212 on the left is also mainly concentrated on the left and right sides of the LED lighting fixture. The light pattern distribution of the second light-emitting components 212 on the left and right sides is combined with the light pattern distribution of the first light-emitting component 211 to form a bat-wing light pattern.

[0211] It should be understood that Figures 20 to 22 illustrate only the left and right second light-emitting assemblies 212 as examples. The operating principles of the front and rear second light-emitting assemblies 212 are similar. After the front and rear second light-emitting assemblies 212 are acted upon by their respective TIR lenses 2212, the emitted light is primarily concentrated on the front and rear sides. Combined with the light distribution of the first light-emitting assembly 211, a batwing light pattern as shown in Figure 22 can be obtained. Similarly, after the front, rear, left, and right second light-emitting assemblies 212 are acted upon by their respective TIR lenses 2212, the emitted light is primarily concentrated on the front, rear, left, and right sides, i.e., the surrounding areas of the first light-emitting assembly 211. Combined with the light distribution of the first light-emitting assembly 211, a batwing light pattern similar to that of Figure 22 can be obtained, which will not be further described here.

[0212] In one embodiment, the overall height of the TIR lens 2212 is set to approximately 6 mm to 8 mm, the diameter of the opening facing the second light-emitting assembly 212 is set to approximately 2 mm to 6 mm, and the diameter of the opening away from the second light-emitting assembly 212 is set to approximately 10 mm to 12 mm. In the embodiments shown in Figures 20 and 21, the height of the TIR lens is set to approximately 7.5 mm, the diameter of the opening facing the second light-emitting assembly 212 is set to approximately 6 mm, and the diameter of the opening away from the second light-emitting assembly 212 is set to approximately 12 mm. Those skilled in the art can select an appropriate TIR lens based on the actual size requirements of the LED lighting fixture.

[0213] Referring to Figures 23 to 29, Figure 23 is a schematic diagram of the three-dimensional structure of an LED lighting fixture in one embodiment of the present application, Figure 24A is a schematic diagram of the disassembled structure of the LED lighting fixture in one embodiment of the present application, Figure 25 is a schematic diagram of the three-dimensional structure of the light-emitting unit and the beam control assembly in cooperation with the support unit in one embodiment of the present application, Figure 26 is a partial enlarged view of the base and optoelectronic module in the embodiment of Figure 25, Figure 27 is a schematic diagram of the cross-sectional structure of the LED lighting fixture in one embodiment of the present application, Figure 28 is a partial enlarged view of section C in the embodiment of Figure 27, and Figure 29 is a light pattern diagram of the LED lighting fixture in the embodiment of Figure 27. As shown in the figures, the beam control assembly 221 includes a reflective structure 2213. The reflective structure 2213 is disposed on the light-emitting side of the second light-emitting assembly 212. The number of reflective structures 2213 can be set to correspond to the number of second light-emitting assemblies 212. In the embodiment shown in Figures 23 to 27, there are four reflective structures 2213, corresponding to the number of second light-emitting assemblies 212. The reflective structure 2213 is used to focus the light emitted by the second light-emitting component 212 to increase the light intensity in the area surrounding the first light-emitting component 211. Specifically, referring to Figures 27 to 29, the reflective structure 2213 reflects the light emitted by the second light-emitting component 212 (i.e., light with a larger light emission angle) to achieve a focusing effect on the second light-emitting component 212 (for example, focusing the light emitted by the second light-emitting component 212 within the angle formed by the reflective structure 2213, such as the angle between the dotted arrows along the two reflectors of the reflective structure 2213 in Figure 28). This further enhances the light intensity in the area surrounding the first light-emitting component 211, thereby causing the LED lighting fixture to exhibit the batwing light pattern shown in Figure 29.

[0214] Please refer to Figures 25 to 30. Figure 30 shows a schematic three-dimensional structure of a reflective structure and a second light-emitting assembly in accordance with one embodiment of the present application. The reflective structure 2213 includes a first reflector 22131 and a second reflector 22132. The first reflector 22131 and the second reflector 22132 are arranged at an angle relative to the light-emitting centerline L of the second light-emitting assembly 212. For example, in Figure 30 , the angles of inclination of the first reflector 22131 and the second reflector 22132 relative to the light-emitting centerline L of the second light-emitting assembly 212 are marked as θ. The first reflector 22131 and the second reflector 22132 can be attached to a mounting surface of the second light-emitting assembly 212, such as the first base sidewall 112, or to the second circuit board 2121 (as shown in Figure 30). The first reflector 22131 and the second reflector 22132 can be attached to either side of the second light-emitting element 2122. Among them, the first reflector 22131 and the second reflector 22132 respectively form two reflecting surfaces for the light emitted by the second light-emitting component 212, thereby reflecting the light whose emission angle exceeds the angle formed by the first reflector 22131 and the second reflector 22132, so as to gather the light emitted by the second light-emitting component 212 and enhance the light intensity in the area around the first light-emitting component 211.

[0215] In one embodiment, the inclination angle θ of the first reflector 22131 and the second reflector 22132 relative to the light emitting center line L of the second light emitting component 212 can be set to 15 degrees to 25 degrees (for example, approximately 15 degrees, 16 degrees, 17 degrees, 18 degrees, 19 degrees, 20 degrees, 21 degrees, 22 degrees, 23 degrees, 24 degrees, or 25 degrees), that is, the light emitted by the second light emitting component 212 is concentrated on the reflective structure 2213. The angle range 2θ can be set to 30 degrees to 50 degrees. Setting the inclination angle θ within this range can enable the LED lighting fixture to form a better bat-wing light pattern. Taking Figure 31 as an example, Figure 31 shows a light pattern of an LED lighting fixture equipped with reflectors with different inclination angles in one embodiment of the present application. Figure 31(a) shows a light pattern of an LED lighting fixture in which the first inclination angle β is set to 45 degrees, and the inclination angles θ of the first reflector 22131 and the second reflector 22132 are respectively set to 15 degrees relative to the light emitting center line L of the second light emitting component 212. At this time, the light pattern of the LED lighting fixture can also present a better bat-wing light pattern. If it is less than 15 degrees, the reflective structure 2213 will cause the light emitted by the second light emitting component 212 to be excessively concentrated, making it difficult to form a bat-wing light pattern. FIG31( b ) shows a light pattern of an LED lighting fixture in which the first inclination angle β is set to 45 degrees and the inclination angles θ of the first reflector 22131 and the second reflector 22132 relative to the light emitting center line L of the second light emitting component 212 are respectively set to 25 degrees. Although the LED lighting fixture in FIG31( b ) can still present a batwing light pattern, the effect of its batwing light pattern begins to deteriorate compared with FIG31( a ). If the inclination angle θ continues to increase to greater than 25 degrees, the degree of light concentration of the second light emitting component 212 by the reflective structure 2213 will be insufficient, and the light intensity contribution of the second light emitting component 212 to the surrounding area of ​​the first light emitting component 211 will also be weakened, making it difficult to form a batwing light pattern with a better effect.

[0216] It should be understood that Figures 30 and 31 are merely examples, and the inclination angles θ of the first reflector 22131 and the second reflector 22132 relative to the light emitting center line L of the second light emitting component 212 do not necessarily need to be set to the same degree. It is only necessary that the first reflector 22131 and the second reflector 22132 are respectively inclined relative to the light emitting center line L of the second light emitting component 212 and the inclination angle θ is between 15 degrees and 25 degrees.

[0217] It should be understood that the sawtooth lens, TIR lens, and reflective structure shown in Figures 14 to 30 are merely examples of the structures included in the beam control assembly. Those skilled in the art may select any suitable component or structure as part of the beam control assembly as needed, as long as the path of part of the light emitted by the second light-emitting assembly can be changed so that the light emitted by the second light-emitting assembly is mainly distributed in the surrounding area of ​​the first light-emitting assembly. This application does not impose any restrictions on this. Of course, in other embodiments, the beam control assembly may also include other components or structures to change the light output path of the light-emitting unit to achieve a better light output effect.

[0218] According to any of the aforementioned embodiments, it can be seen that the light pattern distribution of any two relative groups of second light-emitting components 212 combined with the light pattern distribution of the first light-emitting component 211 can improve the lighting uniformity of the LED lighting fixture. Therefore, the user can selectively turn on or off any two relative groups or all of the second light-emitting components 212 through a control switch adapted to the LED lighting fixture according to actual lighting needs. In this way, energy can be saved while meeting user needs.

[0219] In some embodiments, the light pattern distribution formed by the LED lighting fixture is related to the first inclination angle β. On the premise that the first inclination angle β satisfies the uniformity requirement of the light intensity distribution of the LED lighting fixture, the first inclination angle β is positively correlated with the light output angle of the LED lighting fixture, that is, the larger the first inclination angle β, the larger the light output angle of the LED lighting fixture. In embodiments or examples in which the light pattern distribution of the LED lighting fixture is a bat-wing light pattern or a near-bat-wing light pattern, that is, the larger the first inclination angle β, the bat-wing light pattern or the near-bat-wing light pattern has a wider angle. Please refer to FIG32 , which shows light patterns of an LED lighting fixture configured with different first tilt angles according to an embodiment of the present application. Taking the LED lighting fixture configured as shown in FIG23 to FIG27 as an example, FIG32( a ) shows a light pattern configured with a first tilt angle β of 30 degrees, and FIG32( b ) shows a light pattern configured with a first tilt angle β of 45 degrees. By comparison, FIG32( a ) has a smaller first tilt angle β than FIG32( b ), and the corresponding batwing light pattern formed is also narrower. Similarly, FIG32( b ) has a larger first tilt angle β than FIG32( a ), and the corresponding batwing light pattern formed is also wider. Therefore, those skilled in the art can adaptively configure the first tilt angle β according to actual application scenarios.

[0220] In some embodiments, the power supply characteristics of the first and second light-emitting components are further configured to further improve the uniformity of the light pattern distribution of the LED lighting fixture, for example, enabling the LED lighting fixture to exhibit a more optimal batwing or near-batwing light pattern. The power supply characteristics refer to the electrical characteristics supplied to the light-emitting unit. In embodiments or examples where the optoelectronic module further includes a power supply unit, which is connected to an external power source or mains electricity to supply power to the light-emitting unit, the power supply specifically refers to the electrical characteristics supplied by the power supply unit to the light-emitting unit. The power supply characteristics include, but are not limited to, any of the following: supply voltage, supply current, and supply frequency. In one embodiment, the batwing light pattern effect produced by the LED lighting fixture is enhanced by configuring the power supply characteristics of the second and first light-emitting components to a predetermined ratio. For example, the supply voltages of the second and first light-emitting components can be configured to a predetermined ratio, so that the LED lighting fixture produces a light pattern with weaker light intensity in the center region and stronger light intensity in the peripheral regions, i.e., a batwing light pattern. Furthermore, the preset ratio of the supply voltage of the second light-emitting component to that of the first light-emitting component can be configured to be 1.5 to 3 (for example, the ratio can be approximately 1.5, 2, 2.5, or 3). More preferably, the preset ratio of the supply voltage of the second light-emitting component to that of the first light-emitting component can be configured to be 2 to 2.5.

[0221] To reduce glare from the lamp, in some embodiments, as shown in Figures 1 to 5, 23 to 28, and 37, the light processing unit 22 further includes a diffuser 222, which is used to diffuse the light generated by the light-emitting unit 21 during operation. Furthermore, in some embodiments, the diffuser 222 can also be formed as an outer cover of the light-emitting unit 21 to shield and protect the light-emitting unit 21. Of course, in other embodiments, the outer cover of the light-emitting unit 22 can exist independently as part of the light processing unit 21. That is, the light processing unit 21 can also include multiple outer covers, such as a first outer cover and a second outer cover, but this is not limited in this application.

[0222] Of course, in some other embodiments of the present application, the diffuser 222 may also have other functions, such as light convergence, light uniformity, etc., and it may also be called a light convergence element or other.

[0223] In one embodiment, as shown in Figures 1 to 5, two diffusers 222 may be provided, including a first diffuser 2221 and a second diffuser 2222. The first diffuser 2221 is disposed in the light-emitting direction of the first light-emitting assembly 211 to diffuse the light generated by the first light-emitting assembly 211 during operation. The second diffuser 2222 is disposed in the light-emitting direction of the second light-emitting assembly 212 to diffuse the light generated by the second light-emitting assembly 212 during operation. In some examples, the beam control assembly 221 is disposed on the side of the second diffuser 2222 facing the second light-emitting assembly 212. For example, the beam control assembly 221 is disposed on the second diffuser 2222 by attachment or structural engagement, so that the light emitted by the second light-emitting assembly 212 is first acted upon by the beam control assembly 221 and then diffused by the second diffuser 2222. In other examples, the beam control assembly 221 may also be disposed on the side of the first diffuser 2221 facing the first light-emitting assembly 211, which is not limited in this application. It should be understood that the provision of two diffusers 222 is merely an example. In an embodiment where the light-emitting unit 21 includes more light-emitting components, the diffusers 222 may also be provided in a plurality greater than two, or at least one diffuser 222. Each diffuser performs light diffusion and / or shielding protection on its corresponding light-emitting component, and the present application does not impose any restrictions on this.

[0224] In one embodiment, the first diffuser 2221 and / or the second diffuser 2222 can be made of PC material, which has a light diffusion function due to its inherent material properties. For example, the first diffuser 2221 and / or the second diffuser 2222 are configured as a milky white PC cover. In other embodiments, the first diffuser 2221 and / or the second diffuser 2222 can also be made of a transparent material, such as glass or plastic (e.g., an acrylic sheet), and a diffusion layer is provided on the surface thereof to provide a light diffusion function. As shown in Figures 1 to 5, in one specific example, the first diffuser 2221 can be configured as an inverted trapezoidal cover structure, and the second diffuser 2222 can be configured as an annular cover structure that conforms to the outer edge of the first diffuser 2221. When the first diffuser 2221 and the second diffuser 2222 are configured on the support unit 1, they adapt to each other to enclose the light-emitting surface of the light-emitting unit 21. The second diffuser 2222 can be provided with a mounting structure on the side facing the second light-emitting assembly 212, and the mounting structure is used to mount the beam control assembly 221. It should be understood that the first diffuser 2221 and the second diffuser 2222 shown in Figures 1 to 5 are only examples, and their structure and shape can be adaptively adjusted according to aesthetic requirements, as well as the structure and shape of the specific support unit 1 and the light-emitting unit 21. This application does not impose any restrictions on this.

[0225] In some embodiments, the first diffuser 2221 may also be formed as an outer cover of the first light-emitting assembly 211 to shield and protect the first light-emitting assembly 211, and the second diffuser 2222 may also be formed as an outer cover of the second light-emitting assembly 212 to shield and protect the second light-emitting assembly 212. Herein, the first diffuser 2221 may also be referred to as a first outer cover, and the second diffuser 2222 may also be referred to as a second outer cover. For example, in the embodiments shown in Figures 1 to 5, the first diffuser 2221 and / or the second diffuser 2222 may respectively serve as outer covers to shield and protect the first light-emitting assembly 211 and the second light-emitting assembly 212.

[0226] In one embodiment, as shown in Figures 23 to 28, only one diffuser 222 can be provided. As shown in the figure, the diffuser 222 includes a third diffuser 2223. The third diffuser 2223 is provided in the light emitting direction of the first light emitting component 211 and the second light emitting component 212 to diffuse the light generated by the two light emitting components (211, 212) when they are in operation. Furthermore, the third diffuser 2223 can also be formed as an outer cover of the two light emitting components (211, 212) to shield and protect the two light emitting components (211, 212).

[0227] In one embodiment, the third diffuser 2223 can be made of PC material, which has a light diffusion function due to its own material properties. For example, the third diffuser 2223 is configured as a milky white PC cover. In other embodiments, the third diffuser 2223 can also be made of a transparent material, such as glass or plastic (e.g., an acrylic sheet), and a diffusion layer is provided on its surface to provide it with a light diffusion function. As shown in Figures 23 to 28, in a specific example, the third diffuser 2223 can be configured to include a connecting structure 22231 and a cover structure 22232. The connecting structure 22231 is formed on the periphery of the cover structure 22232 and is used to connect the third diffuser 2223 to the support unit 1. For visual considerations, in the embodiments shown in Figures 23 to 28, the cover structure 22232 can be configured as an arc-shaped cover. Of course, the cover structure 22232 can also be configured as an inverted trapezoidal cover, such as shown in Figures 1 to 5. This application does not limit its structure and shape.

[0228] It should be understood that Figures 1 to 5 and Figures 23 to 28 are merely exemplary illustrations of the diffuser 222. The design of the number, structure, shape, and other aspects of the diffuser 222 need only ensure that they do not affect their function on the light-emitting unit. Furthermore, the relationship between the diffuser 222 and other components of the LED lighting fixture illustrated in Figures 1 to 5 and Figures 23 to 28 is merely illustrative and does not necessarily imply that the diffuser 222 shown must correspond to the structure of the LED lighting fixture. For example, the third diffuser 2223 used in Figures 23 to 28 can be replaced by the first diffuser 2221 and second diffuser 2222 in Figures 1 to 5, and the first diffuser 2221 and second diffuser 2222 in Figures 1 to 5 can also be replaced by the third diffuser 2223 in Figures 23 to 28.

[0229] To prevent the user from viewing the light beads of the light-emitting unit through the outer cover or diffuser, in one embodiment, for example, in the embodiment in which the first light-emitting assembly 211 is provided in four groups, each group including 24 light-emitting elements as shown in Figures 5 to 7 and Figures 24A to 26, the maximum distance between the side of the outer cover of the first light-emitting assembly 211 facing the first light-emitting assembly 211 and the first light-emitting assembly 211 is set to 12 cm to 20 cm (for example, approximately 12 cm, 13 cm, 14 cm, 15 cm, 16 cm, 17 cm, 18 cm, 19 cm, or 20 cm), preferably 16 cm. For example, in the embodiment in which the outer cover of the first light-emitting assembly 211 is provided as the first diffuser 2221 as shown in Figure 5, the distance between the inverted trapezoidal bottom plate of the first diffuser 2221 and the first light-emitting assembly 211 is set to 12 cm to 20 cm. For another example, in the example shown in FIG24A , where the outer cover of the first light-emitting assembly 211 is provided as a third diffuser 2223, the maximum distance between the third diffuser 2223 and the first light-emitting assembly 211 is set to 12 cm to 20 cm. It should be noted that the 12 cm to 20 cm range is only a reference range. The distance is related to the number and distribution density of groups of first light-emitting assemblies 211, the number and distribution density of light emitters in each group of first light-emitting assemblies 211, and other factors. Those skilled in the art can select an appropriate distance based on actual design requirements based on the guidance of this application.

[0230] In the embodiment where the light-emitting unit 21 includes a first light-emitting component 211, since the light-emitting angle of the first light-emitting component 211 is generally about 120 degrees, the illumination of the first light-emitting component 211 will be uneven, and a dark area will be formed on the support unit 1 used to support / support the first light-emitting component 211. For example, as shown in FIG6 , the light-emitting unit 21 includes a first light-emitting component 211, which is configured on the base 11 of the support unit 1. Please refer to FIG33 , which is a schematic diagram of the light emission of the first light-emitting component 211 in the embodiment shown in FIG6 of the present application. As shown in the figure, since the light-emitting angle of the first light-emitting component 211 is about 120 degrees, the light emitted by the first light-emitting component 211 cannot illuminate the back panel 12 located around the base 11; or, it can only illuminate a small area of ​​the back panel 12. Therefore, a relatively dark area will be formed on the weak light area of ​​the support unit 1.

[0231] It should be noted that the dark area formed on the support unit 1 is due to the limited light-emitting angle of the first light-emitting component. In some embodiments, even if the support unit 1 adopts other structures, the dark area will still be formed on the support unit 1 due to the influence of the light-emitting angle of the first light-emitting component 211. For example, as shown in Figures 34 and 35, Figure 34 shows a schematic diagram of the three-dimensional structure of the first light-emitting component 211 and the support unit 1 in one embodiment of the present application, and Figure 35 shows a schematic diagram of the light emission of the first light-emitting component 211 in the embodiment shown in Figure 34 of the present application. In this embodiment, the base 11 of the support unit 1 is set to a planar structure, and the back plate 12 is formed by extending from the base 11 to the periphery. In order to improve the uniformity of light emission, the back plate 12 is configured as a curved surface, that is, a curved surface formed by extending from the base 11 to the periphery. Of course, depending on the structure and form of the support unit 1, the base 11 and the back plate 12 may also be named in other ways. For example, in the embodiment shown in FIG34 , the base 11 may also be referred to as the first portion / first region of the support unit 1, and the back plate 12 may also be referred to as the second portion / second region of the support unit 1. This application does not impose any restrictions on this. For example, in the support unit 1 structure used in FIG34 , as shown in FIG35 , since the first light-emitting component 211 is disposed on the base 11 and the light-emitting angle is 120 degrees, the curved surface formed by the back plate 12 is almost not illuminated by light, forming a dark area.

[0232] In view of this, in order to solve the problem of dark areas formed on the supporting unit 1 due to the limited light-emitting angle of the first light-emitting component 211, in some embodiments, such as Figures 36 to 39, the light-emitting unit 21 may further include a third light-emitting group 213 on the basis of including the first light-emitting component 211. The purpose is to form light in the area outside the light-emitting angle of the first light-emitting component 211 by designing the light-emitting direction of the third light-emitting component 213, thereby increasing the uniformity of light on the surface of the supporting unit 1 and avoiding the occurrence of the above-mentioned dark areas.

[0233] It should be noted that, in other embodiments, the light-emitting unit may include other light-emitting components on the basis of including the first light-emitting component and the third light-emitting component, for example, the second light-emitting component described in any of the aforementioned embodiments, that is, the light-emitting unit may include the first light-emitting component, the second light-emitting component, and the third light-emitting component, that is, the light-emitting unit includes at least one of the first light-emitting component, the second light-emitting component, and the third light-emitting component, or the light-emitting unit may include at least two of the first light-emitting component, the second light-emitting component, and the third light-emitting component. It is only necessary that the third light-emitting component can form light projected onto the dark area on the supporting unit, and there is no restriction on other light-emitting components included in the light-emitting unit.

[0234] In one embodiment, please refer to Figures 36 to 39, Figure 36 is a schematic diagram of the three-dimensional structure of the LED lighting fixture in one embodiment of the present application, Figure 37 is a schematic diagram of the disassembled structure of the LED lighting fixture in the embodiment shown in Figure 36 of the present application, Figure 38 is a schematic diagram of the three-dimensional structure of the third light-emitting component 213 and the support unit 1 in one embodiment of the present application, and Figure 39 is a schematic diagram of the light output of the first light-emitting component 211 and the third light-emitting component 213 in the embodiment shown in Figure 36 of the present application. As shown in the figure, the light-emitting unit 21 includes a first light-emitting component 211 and a third light-emitting component 213. The first light-emitting component 211 is disposed on the base 11, and the centerline of its light beam is perpendicular to the base 11. The third light-emitting component 213 is located within the accommodation space formed by the support unit 1. The centerline of its light beam forms a certain angle with the centerline of the light beam of the first light-emitting component 211 and is directed toward the support unit 1 so as to be projected onto the back panel 12 of the support unit 1. That is, the light emission direction of the third light-emitting component 213 is toward the side of the lamp. Furthermore, the centerline of the light beam of the third light-emitting component 213 is perpendicular to the centerline of the light beam of the first light-emitting component 211 and is projected onto the back panel 12 of the support unit 1. In this embodiment, the light emission direction is based on the centerline of the light beam of the light-emitting component as a reference.

[0235] In order to fix the third light-emitting component 213, the support unit 1 further includes a support structure 14, which is vertically (also called vertical) arranged on the base 11 of the support unit 1 and is used to configure the third light-emitting component 213, that is, the third light-emitting component 213 is configured on the support structure 14.

[0236] As shown in Figures 38 to 40, Figure 40 shows a structural schematic diagram of the cooperation between the third light-emitting component and the supporting structure in one embodiment of the present application. The supporting structure 14 can be set as a supporting plate, which is vertically fixed on the base 11, and the supporting plate has a first mounting surface 141 and a second mounting surface 142 facing two opposite directions of the supporting unit 1, that is, the first mounting surface 141 and the second mounting surface 142 are two opposite surfaces of the supporting structure 14, and correspondingly, the third light-emitting component 213 is set as at least two groups facing two opposite directions of the supporting unit 1, that is, at least one group of third light-emitting components 213 is set on the first mounting surface 141, and at least one group of third light-emitting components 213 is set on the second mounting surface 142. Among them, the supporting structure 14 can be fixed to the base 11, for example, by means of screws and nuts, or by means of adhesive substances, hot melting or welding, or by means of structural cooperation such as snaps or hooks, etc. In order to adapt to the supporting structure 14, a structure matching the supporting structure 14 can be provided on the base 11 to facilitate the installation of the supporting structure 14. This application does not limit the specific structure.

[0237] The supporting structure 14 may be disposed in the middle area of ​​the base 11 , and the plurality of first light-emitting components 211 may be symmetrically distributed on both sides of the supporting structure 14 .

[0238] As mentioned above, the third light-emitting components 213 are set to at least two groups, and the at least two groups can be understood as two or more groups. For example, the third light-emitting components 213 can be set to 2 groups, 3 groups, 4 groups, 5 groups, or 6 groups, etc., as long as two of them are facing two relative directions of the support unit 1. Taking the embodiment shown in Figure 40 as an example, and combined with Figure 39, in the embodiment shown in Figure 39, the third light-emitting components 213 are set to 6 groups symmetrically distributed on the first mounting surface 141 and the second mounting surface 142, that is, 3 groups of third light-emitting components 213 distributed in parallel are arranged on the first mounting surface 141, and 3 groups of third light-emitting components 213 are also arranged on the second mounting surface 142 at positions corresponding to the first mounting surface 141. In this way, it can be further ensured that the entire front of the support unit 1 is evenly illuminated.

[0239] The third light-emitting assembly 213 may include a third circuit board 2131 and third light-emitting elements 2132. The third light-emitting elements 2132 may be LED lamp beads or other types of LED light-emitting units. The third circuit board 2131 is attached to the base 11 (e.g., directly or through an intermediate medium). Multiple third light-emitting elements 2132 may be provided, evenly distributed on the third circuit board 2131.

[0240] Considering that some of the light emitted by the first light-emitting assembly 211 may project onto the edge of the support unit 1, for example, the area on the side of the back panel 12 away from the base 11, multiple sets of third light-emitting assemblies 213 continuing to project light onto this area may cause the edge of the support unit 1 to be too bright. Therefore, in some embodiments, the number of third light-emitting elements 2132 in the third light-emitting assembly 213 is related to the distance between the third light-emitting assembly 213 and the base 11. When the distance between the third light-emitting assembly 213 and the base 11 of the support unit 1 exceeds a preset value, the number of third light-emitting elements 2132 is reduced. Taking FIG40 as an example, on the first mounting surface 141, the two sets of third light-emitting assemblies 213 closer to the base 11 include 48 third light-emitting elements 2132, while the one set of third light-emitting assembly 213 farther from the base 11 includes 26 third light-emitting elements 2132.

[0241] Please refer to Figures 41 to 43. Figure 41 shows the light pattern of the LED lighting fixture in the embodiment shown in Figure 36 of this application. Figure 42 shows the illuminance diagram of the illuminated surface of the LED lighting fixture in the embodiment shown in Figure 36 of this application at a distance of 2.5 meters. Figure 43 shows the illuminance diagram of various areas within the LED lighting fixture in the embodiment shown in Figure 36 of this application. The following, in conjunction with Figures 41 to 43, illustrates how the third light-emitting group 213 can improve the uniformity of light output from the fixture and avoid dark areas.

[0242] As shown in Figure 41, adding a third light-emitting component 213 to the LED lighting fixture on the basis of the first light-emitting component 211 will not have an adverse effect on the light type of the LED lighting fixture, but will make the LED lighting fixture present a Lambertian light type or a near-Lambertian light type. Further, Figure 42 shows an illuminance diagram at a distance of 2.5m from the LED lighting fixture, which also conforms to the illuminance characteristics of the Lambertian light type or the near-Lambertian light type, and the lighting is uniform and soft. As shown in Figure 43, multiple areas of the back panel of the LED lighting fixture are selected and labeled as E, F, G, and H, and their corresponding illuminance diagrams are labeled as (e), (f), (g), and (h), respectively. The area corresponding to the base of the LED lighting fixture is selected and labeled as I, and its corresponding illuminance diagram is labeled as (i). By comparing area I with areas E, F, G, and H, it can be seen that the illumination of the LED lighting fixture conforms to the characteristics of a Lambertian light type or a near-Lambertian light type, that is, the illumination of area I is the strongest, and the illumination of the side areas, that is, areas E, F, G, and H, is relatively weak; from the comparison between areas E, F, G, and H, the illumination of each area in the side areas is roughly within the same range, which means that the side areas (such as the back panel) of the LED lighting fixture are uniform as a whole, and there are no dark areas in areas E, F, G, and H.

[0243] In order to reduce the glare of the lamp, as mentioned above, the light processing unit 22 includes a diffuser 222. Furthermore, in the embodiment shown in Figure 37, the diffuser 222 includes a fourth diffuser 2224. The fourth diffuser 2224 is arranged in the light-emitting direction of the first light-emitting component 211 and the third light-emitting component 213, and is used to diffuse the light generated when the first light-emitting component 211 and the third light-emitting component 213 are working. The material and function of the fourth diffuser 2224 are similar to those of the diffuser used in Figures 1 to 5 and Figures 23 to 28. Please refer to the aforementioned description of the diffuser in Figures 1 to 5 and Figures 23 to 28, which will not be repeated here.

[0244] Please continue to refer to Figure 39. As shown in Figure 39, since the light-emitting angle of the third light-emitting component 213 is also 120 degrees, the light intensity of the middle area of ​​the lamp is only contributed by the light of the first light-emitting component 211, that is, the third light-emitting component 213 cannot illuminate the area from -30 degrees to 30 degrees with the vertical direction of the supporting structure 14 as the center line, but for the area from -30 degrees to -60 degrees with the vertical direction of the supporting structure 14 as the center line, and from 30 degrees to 60 degrees, the first light-emitting component 211 and the third light-emitting component 213 jointly contribute to the light intensity, resulting in a situation where the brightness contrast of the LED lighting fixture is too high, causing glare to the human eye.

[0245] In view of this, in one embodiment, as shown in Figures 36 to 45, Figure 44 is a schematic diagram of the disassembled structure of the light processing unit in the embodiment shown in Figure 37 of the present application, and Figure 45 is a schematic diagram of the cross-sectional structure of the LED lighting fixture in the embodiment shown in Figure 36 of the present application. The light processing unit 22 also includes a shading component 223, which is connected and fixed to the diffuser 222. The shading component 223 includes a shading portion 2231, which is arranged in the vertical direction of the support structure 14 and is close to the side of the support structure 14 away from the support unit 1. The shading portion 2231 extends along the length direction of the support structure 14, or, it can also be said to extend along the length direction of the third light-emitting component 213, so that the area where the third light-emitting component 213 is not projected (such as the area from -30 degrees to 30 degrees with the vertical direction of the support structure 14 as the center line) can be shielded to reduce the discomfort of the human eye.

[0246] In one embodiment, the light shielding portion 2231 is disposed on the outer side of the fourth diffuser 2224 and is attached to the fourth diffuser 2224. The light shielding portion 2231 can be configured as a long metal strip that adapts to the outer shape of the fourth diffuser 2224. To facilitate the configuration of the light shielding portion 2231, the light shielding assembly 223 further includes a frame portion 2232. The frame portion 2232 can be formed by continuing to extend from the light shielding portion 2231. The frame portion 2232 can fix the light shielding portion 2231 to the outer side of the fourth diffuser 2224 and can also be used to position the fourth diffuser 2224 on the support unit 1. In view of this, the fourth diffuser 2224 can be configured to have an outer surface that adapts to the shape of the light shielding portion 2231 and the frame portion 2232, so as to facilitate the fixation of the fourth diffuser 2224 without affecting the aesthetics of the lamp.

[0247] Among them, the frame part 2232 and the shading part 2231 can be an integrally formed metal frame structure, or can be set to a detachable connection method, or a fixed connection method, or can be set to be wrapped by the frame part 2232 to wrap the shading part 2231. This application does not impose any restrictions on this.

[0248] In other embodiments, the light shielding portion 2231 may also be disposed on the inner side of the fourth diffusion member 2224 , and a corresponding accommodation structure may be provided on the fourth diffusion member 2224 to facilitate the configuration of the light shielding portion 2231 .

[0249] In some other embodiments of the present application, the number of the support structures 14 may be greater than zero, that is, at least one, and the support structures 14 may be arranged in parallel in multiple lines to better solve the dark area problem;

[0250] In some other embodiments of the present application, the number of support structures 14 can be a plurality greater than zero, that is, at least one, and the support structures 14 can be arranged at a certain angle to each other, for example, at a 90° angle or a 45° angle to each other, for example, arranged in a "cross" structure, or in an "I"-shaped structure in some lamps with large differences in aspect ratios, so that the light-emitting component 213 located on the support structure 14 can be projected to every corner of the LED lighting fixture, greatly reducing dark areas.

[0251] In some embodiments, the optoelectronic module 2 may further include a power supply unit (not shown), which is arranged on the support unit 1 and electrically connected to the light-emitting unit 21 for connecting to an external power supply or mains electricity. Please refer to Figures 2, 3, and 36. In order to protect the power supply unit, the support unit 1 further includes a power supply module 3. The power supply module 3 includes a power supply box for providing an installation space for the power supply module. In the examples shown in Figures 2, 3, and 36, the power supply module 3 is arranged on the back of the support unit 1, and the power supply unit is arranged in the power supply box. In other examples, the power supply box may not be provided, and the power supply unit (a separate power supply unit may also be referred to as a power module) is directly arranged on the front or back of the support unit 1. The power supply unit may include a number of electronic components and wiring components. The number of electronic components may be arranged on a circuit board corresponding to the power supply unit, or some of them may be arranged on a circuit board corresponding to the light-emitting unit 21 to share the same circuit board with the light-emitting unit 21.

[0252] Referring to Figures 46 to 53, there is shown an LED lighting fixture in another embodiment of the present application. The lighting fixture can emit light in multiple angles and can be referred to as a full-luminous LED lighting fixture. For example, it can be a linear lighting fixture that is suspended, or a lighting fixture that is fixedly mounted to a ceiling or suspended ceiling. The spatial position of the LED lighting fixture is located in a Cartesian coordinate system as shown in Figure 46 or Figure 50. The LED lighting fixture includes: a support unit 1, a photoelectric module 2, and a diffuser 222 (of course, the diffuser can also be referred to as a light processing unit), wherein the plane where the support unit 1 is located is parallel to the xy plane, the photoelectric module 2 emits light roughly along the z-axis direction, and the diffuser 222 itself is also roughly parallel to the xy plane.

[0253] As shown in Figures 46 to 47A, the portion of the structure of the support unit 1 extending from the edge toward the center is arched to one side (e.g., along the positive z-axis) to form a back panel 12. Specifically, the open end of the back panel 12 connected to the support unit 1 serves as the back panel bottom, the closed end of the back panel 12 away from the support unit 1 serves as the back panel top, and the inner wall connecting the back panel bottom and the back panel top can be referred to as a side wall. Preferably, the support unit 1 and the back panel 12 can be stamped or injection molded from metal or plastic to improve production efficiency and ensure the structural strength of the lamp housing. Preferably, the support unit 1 and the back plate 12 can be made of aluminum alloy to reduce the overall mass of the LED lighting fixture. At the same time, since the support unit 1 and the back plate 12 of the LED lighting fixture are made of aluminum alloy, they have good thermal conductivity and can fully transfer the heat generated by the photoelectric module 2 to the atmospheric environment, thereby improving the heat dissipation performance of the LED lighting fixture and ensuring that the LED lighting fixture is always in a working environment with a better temperature. Generally speaking, the working life of the LED lighting fixture can be effectively guaranteed under the condition that the ambient temperature does not exceed 35 degrees. In some embodiments, the back plate 12 and the support unit 1 are integrally formed. Of course, in some other embodiments, the back plate 12 and the support unit 1 can be formed independently and then assembled.

[0254] The specific shape of the support unit 1 is not limited and can be a bar, circle, rectangle or other special-shaped structure. In this embodiment, the overall shape of the support unit 1 is a rectangular structure. The edge of the support unit 1 can be designed with an upturned fold. The folding process forms a rounded edge without the need for additional processing, forming an edge that is highly safe for use and installation. At the same time, the folding strengthens the structural strength of the edge of the support unit 1 and prevents its deformation. Furthermore, the folding can enhance the aesthetics of the support unit 1. The right angles of the support unit 1 are designed with arc chamfers to avoid sharp corners, thereby improving safety during transportation and installation.

[0255] As shown in Figures 47A to 49B and Figures 51A to 53, the optoelectronic module 2 is disposed within the back panel 12. Preferably, the optoelectronic module 2 is connected to the back panel 12 in a manner that allows for easy removability. For example, the optoelectronic module 2 and the back panel 12 are connected using a snap-fit ​​structure, or the optoelectronic module 2 is screwed to the top of the back panel 12. Alternatively, the optoelectronic module 2 may be magnetically attached to the interior of the back panel 12. This removable connection facilitates replacement of the optoelectronic module 2 or components thereon in a faulty LED lighting fixture. Alternatively, the optoelectronic module 2 may be fixed within the top of the back panel 12, but may not be easily removable.

[0256] The light emitted by the photoelectric module 2 is at least partially directed to and projected onto the four sides of the inner wall of the back panel 12 (which can also be understood as the side wall). Specifically, the photoelectric module 2 includes multiple rows of light strips (or LED lamp beads, LED arrays, that is, multiple light-emitting elements), and the multiple rows of light strips have different light-emitting directions and light-emitting angles, that is, at least two angles of light emission. The light strips can be arranged along the x-axis direction and / or the y-axis direction, wherein some light strips are directed to the slots and / or the top area of ​​the back panel 12 for light emission, and some light strips can be directed to the side walls of the back panel 12 for light emission. By dispersing the light, the dark area around the back panel 12 is brightened until the brightness is consistent with that of the central area of ​​the back panel 12, thereby solving the problem of uneven brightness of the LED lighting fixture as a whole and effectively improving the light emission effect. The diffuser 222 is arranged on the side of the optoelectronic module 2 away from the top of the back plate 12. The diffuser 222 can cover at least part of the optoelectronic module 2, that is, the projection of the diffuser 222 in the z-axis direction can completely cover or at least partially cover the optoelectronic module 2. Preferably, the diffuser 222 completely covers the optoelectronic module 2 to facilitate the dispersion of most of the light emitted by the optoelectronic module 2, making the LED lighting fixture emit light more uniformly and softly, and avoiding the glare and dazzle caused by excessive concentration of light in the central area of ​​the back plate 12. The optoelectronic module 2 includes at least two directional light-emitting settings, and at least two light strips (or LED lamp beads, LED arrays, that is, at least two light-emitting elements) are arranged on at least two mounting surfaces. From another perspective, the optical axes or extended lines of the optical axes of at least two light strips (LED lamp beads, LED arrays) intersect. It should be noted that it is also possible for at least two light strips (LED lamp beads, LED arrays) to be arranged on the upper and lower surfaces of the same mounting component.

[0257] The diffuser 222's cover surface is slightly arched in the opposite direction of the z-axis, forming a convex structure, i.e., an arc-shaped structure, to better diffuse light. The diffuser 222 can be made of a translucent material. For example, the diffuser 222 can also be made of a translucent material such as glass or acrylic, with a diffusing coating or film applied to its surface to achieve a light diffusion effect. Alternatively, the diffuser 222 can be made of a partially transparent material. For example, the diffuser 222 can be made of a milky white PC cover with a certain degree of haze. Due to its inherent material properties, the PC cover also has a light diffusion function, resulting in a softer light output.

[0258] Referring to Figures 47A, 47B and 51A, in a specific embodiment, a mounting hole 15 is provided at the top of the back panel 12. The mounting hole 15 can be located in the central area and / or edge area of ​​the top of the back panel 12. There is no limit on the number and shape of the mounting hole 15. The mounting hole 15 cooperates with connecting parts such as bolts, hangers, chains, etc. to suspend or install the housing of the LED lighting fixture (i.e., the supporting unit 1 and the back panel 12) to the ceiling, thereby realizing the installation of the LED lighting fixture.

[0259] Of course, the mounting holes 15 can also be set on the bottom of the back panel, for example, at the four corners of the bottom of the back panel, and the LED lighting fixture is embedded in the installation surface such as the ceiling. The bottom of the back panel is basically parallel to the installation surface such as the ceiling, and the height of the back panel 12 is hidden inside the ceiling. The bottom plate and the ceiling surface of the LED lighting fixture have a smooth transition, and the surface difference between the two does not exceed twice the thickness of the edge of the fixture. The overall surface formed between it and the installation plane after installation is flat, and the visual effect is good.

[0260] Furthermore, a portion of the top of the back panel 12 is recessed toward the optoelectronic module 2 to form a reinforcing rib 16, that is, there are regions of different heights on the top surface of the back panel 12. By designing the reinforcing rib 16, the structural strength of a portion of the top of the back panel 12 can be significantly improved, thereby avoiding problems such as warping and deformation during the installation of the LED lighting fixture. As an example, the reinforcing rib 16 can be a single or multiple straight line structure, or a mesh or divergent structure, without specific limitation. In one embodiment, the reinforcing rib 16 is a single straight line structure extending along the y-axis direction, and the length of the reinforcing rib 16 does not exceed the length of the top of the back panel 12. In addition, there are two mounting holes 15, which are respectively provided at both ends of the reinforcing rib 16, so that the forces at both ends of the LED lighting fixture are balanced, thereby improving stability and reliability after installation. Of course, if the back panel 12 itself has sufficient strength, the reinforcing rib 16 may not be provided, thereby simplifying the production process.

[0261] As shown in Figures 46 and 50, in some embodiments, the inner wall of the back panel 12 is provided with a reflective surface. Specifically, the reflective surface is the inner wall surface of the top and side walls of the back panel 12. The reflective surface can redistribute the light emitted from the optoelectronic module 2 from different light-emitting directions and different light-emitting angles to improve the uniformity of the light emitted and improve the lighting effect. Preferably, the reflective surface is a diffuse reflective surface, which can be obtained by mechanical processing or chemical treatment. The diffuse reflective surface can reflect light in all directions to disperse the light, thereby reducing glare and localized glare. At the same time, it ensures that light is emitted from most areas in the light-emitting direction of the LED lighting fixture, avoiding localized dark areas and further improving the lighting effect.

[0262] 46 to 49B , in the first embodiment, the optoelectronic module 2 of the LED lighting fixture includes a first bracket 210 , a first light-emitting component 211 ′ and a second light-emitting component 212 ′, wherein the first light-emitting component and the second light-emitting component can also be described as part of the light-emitting unit.

[0263] 47A to 47C , the first bracket 210 is disposed in the back panel 12, and the first bracket 210 is in a “U”-shaped structure. As an example, the first bracket 210 is in a vertical state or a nearly vertical state as a whole and is fixed in the back panel 12. The first bracket 210 includes an inner bracket 2101 and an outer bracket 2102 (see FIG. 47C and FIG. 49A ). The inner bracket 2101 and the outer bracket 2102 are preferably made of opaque materials, such as opaque plastic, aluminum alloy, carbon fiber, etc., to reduce the weight of the LED lighting fixture, and positions for installing LED light strips are reserved on the inner bracket 2101 and the outer bracket 2102. The inner bracket 2101 and the outer bracket 2102 are arranged at a certain distance apart, and can have different angles relative to the back panel 12. The inner bracket 2101 is surrounded by the outer bracket 2102, and the two can be sheet-like annular structures (“U”-shaped structure).

[0264] The first light-emitting component 211' includes a first light-emitting body 2112' and a first light-emitting body 2112", wherein the first light-emitting body 2112' is arranged in the back panel 12, preferably in the central area of ​​the top of the back panel, and the number of the first light-emitting bodies 2112' can be one, two or more, which is selected according to the actual required lighting brightness. As an example, the first light-emitting body 2112' is horizontally arranged at the reinforcement rib 16 of the back panel 12, and the first light-emitting body 2112' emits light roughly along the z-axis direction and emits it toward the central area of ​​the diffuser 222. The first light-emitting body 2112" is arranged on the inner edge area of ​​the first bracket 210, that is, the inner bracket 2101, that is, the side of the inner bracket 2101 facing the first light strip 211. The number of the first light-emitting bodies 2112" can be two, four or more, and can be adjusted specifically to match the lighting effect of the first light-emitting body 2112'. As an example, there are two first light-emitting bodies 2112" and they are symmetrically arranged on both sides of the first light-emitting body 2112'. The first light-emitting body 2112" can be installed vertically or obliquely on the inner bracket 2101. Preferably, the inner bracket 2101 is provided with an inclined mounting surface. The inclined mounting surface enables the light of the second light strip 222 to be emitted more from the diffuser 222, that is, the light-emitting angle has a higher degree of overlap with the diffuser cover. The first light-emitting body 2112" is arranged obliquely on the mounting surface, and the light-emitting direction of the first light-emitting body 2112" intersects with the z-axis in the opposite direction, so that the light is emitted toward the edge area of ​​the diffuser 222. Through the cooperation of the first light-emitting body 2112' and the first light-emitting body 2112", the diffuser 222 that illuminates the LED lighting fixture can be evenly illuminated, thereby improving the light-emitting effect.

[0265] The second light emitting assembly 212' is an LED light strip, which is disposed on the outer edge of the first bracket 210, i.e., the outer bracket 2102. The number of second light emitting assemblies 212' can be one, two, four, or more, and the second light emitting assemblies 212' can be mounted vertically or tilted on the outer bracket 2102 to emit light in different directions and at different angles. For example, there are four second light emitting assemblies 212', which are evenly arranged vertically around the outer bracket 2102. The second light emitting assemblies 212' emit light along the x-axis and y-axis, evenly illuminating the top and sidewalls of the back panel 12. This ensures uniform brightness across all areas of the lamp, thereby enhancing the aesthetics and lighting effect of the LED lighting fixture.

[0266] FIG49B is a schematic diagram of the structure of the first bracket 210 in this application after removing the diffuser 222 and other components. As can be seen from FIG46 to FIG49A , the vertical inner side of the first bracket 210 can be referred to as the inner bracket 2101, and the vertical outer side can be referred to as the outer bracket 2102. The inner bracket 2101 and the outer bracket 2102 have edges extending outward at the ends facing the diffuser 222. These edges can be horizontal or angled, and can provide a certain light-shielding effect. For ease of description, these edges will be referred to as the light-shielding eaves 23. The angles of the inner bracket 2101, the outer bracket 2102, and the light-shielding eaves 23 can be specifically designed according to actual needs and are not limited to the examples in the embodiments of this application. The inner bracket 2101, the outer bracket 2102, and the light-shielding eaves 23 can be integrally formed, or they can be individually formed and then assembled into one piece.

[0267] In general, the optoelectronic module 2 in the fully luminous LED lighting fixture of Example 1 has a simplified structure and beautiful shape. By establishing light-emitting routes in different directions and angles, and cooperating with the back panel 12 and the diffuser 222 for reflection and divergence, it can effectively improve the light-emitting effect of the LED lighting fixture.

[0268] As shown in Figure 49A, the angle a between the plane where the first light-emitting body 2112" is located and the plane where the top of the back panel of the back panel 12 is located is greater than 90°. Preferably, the angle a is greater than 90° and less than 150°. Within this range of angle a, it can be ensured that the first light-emitting body 2112" emits light toward the edge area or the central area of ​​the diffuser 222. In one embodiment, the angle a between the plane where the first light-emitting body 2112" is located and the plane where the top of the back panel of the back panel 12 is located is 120°. At this time, the light-emitting direction of the first light-emitting body 2112" is more biased toward the edge area of ​​the diffuser 222, which can reduce the range of light emission overlap with the first light-emitting body 2112', so that the first light-emitting component 211' disperses light and improves the uniformity of lighting.

[0269] In a preferred embodiment, the first bracket 210 extends radially around one end of the back plate top away from the back plate 12 to form a light-shielding canopy 23. Specifically, the light-shielding canopy 23 is formed by bending one end of the inner bracket 2101 of the first bracket 210 and extending outward in a nearly horizontal state. The light-shielding canopy 23 is annular in structure as a whole (see Figures 47A and 49B). After the light-shielding canopy 23 is provided, it can form a light-shielding area with the outer side surface of the first bracket 210, and the external LED light strip is located in the light-shielding area. By providing the light-shielding canopy 23 for light-shielding treatment, the external LED light strips around can be invisible to the naked eye within a certain range. Because the external LED light strips are hidden in the light-shielding area, even if the LED lighting fixture is viewed directly, there will be no glare or glare.

[0270] In addition to the functions of shading and preventing glare, the shading eaves 23 can also be used as an additional mounting surface. The second light emitting assembly 212' is not limited to being installed on the external bracket 2102, and can also be arranged horizontally or obliquely on the surface of the shading eaves 23 facing the diffuser 222 or away from the diffuser 222 (not shown), to play the role of fill light and avoid the dark area problem caused by excessive darkness in local areas. In addition, the shading eaves 23 acting as an additional mounting surface can alleviate the problem of tight mounting positions on the external bracket 2102, which is beneficial to the layout of external light sources and construction operations.

[0271] In one embodiment, the diffuser 222 is a curved, plate-like structure. This shape creates an aesthetically pleasing design and more evenly disperses light, reducing glare from the LED lighting fixture. Furthermore, the diffuser 222 has a larger outline area than the first bracket 210, effectively shielding the photoelectric module 2. Even without the light shielding canopy 23, the larger diffuser 222 provides sufficient shielding, preventing glare and blinding effects from viewing the external LED light strip. The diffuser 222's furthest point along the light-emitting direction of the LED lighting fixture is smaller than any point on the base plate of the base 1, indicating that the diffuser 222 is completely contained within the LED lighting fixture.

[0272] See Figure 49C for a simplified schematic diagram of the light output of the LED lighting fixture in the embodiment of the application, where the dashed lines represent a simplified representation of light. The outer side of the first bracket 210, i.e., the outer bracket 2102, emits light toward the sidewall. This sidewall has a specific curvature and reflective effect. Light from the outer bracket 2102 is reflected by at least one layer before being emitted from the outer edge of the LED lighting fixture, resulting in a better light output effect at the outer edge of the LED lighting fixture. The diffuser 222 processes (e.g., homogenizes or diffuses) the light from the second light strip 222 on the inner bracket 2101 and the light from the first light strip 221 on the reinforcing rib 16, and then emits it from the central area of ​​the LED lighting fixture. This results in approximately the same light output at the edge and center of the LED lighting fixture, resulting in a visually similar brightness. This means that the light output effect is achieved across nearly all areas of the LED lighting fixture, e.g., over 90% of the area.

[0273] In some other embodiments, the area of ​​the LED lighting fixture with light emitting effect may also be more than 50%, more than 60%, etc.

[0274] 50 to 53 , in the second embodiment, the optoelectronic module 2 of the full-luminous LED lighting fixture includes a second bracket 220 , a first light-emitting component 211 ″, a second light-emitting component 212 ″, and a strip lens 25 .

[0275] The second bracket 220 is fixed within the back panel 12. As an example, the second bracket 220 can be suspended within the back panel 12. A suspension portion 24 can be provided between the second bracket 220 and the top of the back panel 12, and connected via the suspension portion 24. That is, one end of the suspension portion 24 is fixed to the back panel 12, and the other end is fixed to the second bracket 220. As an example, the suspension portion 24 can be a hollow tubular structure to reduce weight, and wiring can be arranged or not arranged therein as needed. The height of the suspension portion 24 determines the position of the second bracket 220. To ensure that the upper half of the back panel 12 is fully illuminated, the distance from the second bracket 220 to the top of the back panel 12 can be greater than the distance from the second bracket 220 to the bottom of the back panel 12. The second bracket 220 is generally in the shape of a Chinese character "U", and mounting positions are provided on both its upper and lower surfaces for mounting the first light-emitting assembly 211" and the second light-emitting assembly 212".

[0276] Referring to Figures 51A to 51D, the first light-emitting component 211" and the second light-emitting component 212" are also LED light strips, wherein the first light-emitting component 211" is arranged at the upper end of the second bracket 220, and the first light-emitting component 211" emits light roughly along the positive direction of the z-axis to provide lighting for the top of the back panel and the upper side walls of the back panel 12. The number of the first light-emitting components 211" can be two, four or more. The second light-emitting component 212" is arranged at the lower end of the second bracket 220, and the second light-emitting component 212" emits light roughly along the reverse direction of the z-axis to provide lighting for the bottom of the back panel and the lower side edges of the back panel 12. The number of the first light-emitting components 211" can also be two, four or more. As an example, there may be four first light-emitting components 211", and four second light-emitting components 212", or there may be two first light-emitting components 211", and two second light-emitting components 212", or there may be two first light-emitting components 211", and four second light-emitting components 212". There is no specific limitation on the number of the first light-emitting components 211" and the second light-emitting components 212", as long as the light output can be uniform and the lighting effect can be improved. In one embodiment, there are two first light-emitting components 211", which are symmetrically arranged on both sides of the upper end of the second bracket 220, and there are four second light-emitting components 212", which are respectively arranged around the lower end of the second bracket 220. By arranging them in a ring around the four sides of the second bracket 220, the light output can be more uniform and the lighting effect can be improved.

[0277] Referring to Figures 51C and 51D, the strip lens 25 and the diffuser 222 both have corresponding cavities for accommodating the LED light strip, and the cavities form a closed space with the upper and lower surfaces of the second bracket 220 to form a protective structure for the LED light strip. Furthermore, the cavities of the strip lens 25 and the diffuser 222 are both designed with specific surface shapes to achieve different lighting effects, where the total length of the LED light strip is less than the total length of the cavity.

[0278] In addition, the second bracket 220 can also be in an "I"-shaped structure (not shown), and the upper and lower surfaces of the second bracket are also provided with mounting positions. The first light-emitting component 211" and the second light-emitting component 212" can be arranged in a straight line on the upper and lower sides of the second bracket 220, and also have a relatively uniform light-emitting effect. In some other embodiments, the second bracket 26 can also be other structures, such as a wavy shape, a rectangular surface, etc.

[0279] The optoelectronic module 2 in the aforementioned fully luminous LED lighting fixture adopts a suspended design, which also features a simplified structure and beautiful shape, enhancing the aesthetics and lighting effect of the LED lighting fixture. In one embodiment of the present application, one end of the suspension portion 24 is fixed near the mounting hole 15 and disposed within the support unit 1, i.e., in the direction of light emission from the fixture. It is secured by screws, glue, snaps / snap-fits, etc., and the other end is secured to the surface of the second bracket 220. The suspension portion 24 and the second bracket 220 can be integrally formed, or they can be separately formed and then secured to each other.

[0280] In another embodiment of the present application, the hanging portion 24 can also be fixed through the mounting hole 15, that is, the hanging portion 24 has a large end and a small end, the projection area of ​​the large end along the Z axis is larger than the mounting hole 15, and the projection area of ​​the small end is smaller than the mounting hole 15. During installation, the small end of the hanging portion 24 passes through the mounting hole 15, and the large end is stuck on the outside of the base plate 1, that is, in the opposite direction of the light emitting direction of the lamp. Fixation can also be achieved under the action of gravity without the need for additional fixation (see Figure 53).

[0281] As shown in FIG51A to FIG53, a strip lens 25 is provided above the first light-emitting component 211". The strip lens 25 is strip-shaped and is used to guide the light emitted by the upper LED lamp to disperse toward both sides to more evenly illuminate the middle and surrounding areas of the support unit 1.

[0282] In particular, along the length direction perpendicular to the strip lens 25, i.e., the radial direction, the cross-section of the strip lens 25 is an overall semicircular or arc-shaped structure. A light strip cavity 250 is provided inside the strip lens 25. The cross-section of the light strip cavity 250 can be triangular, arc-shaped, or a semicircular shape parallel to the semicircular cross-section of the strip lens 25, etc., but is not limited to this. It can be set according to actual light output requirements. In this application, the light strip cavity 250 has a smooth surface, but in other embodiments, it can also be an uneven surface, such as a frosted surface, a continuously concave and convex surface, a Fresnel lens surface, etc., to achieve different lighting effects, such as diffuse reflection. Specifically, the light emitted by the first light-emitting component 211" will be refracted when it is emitted from the lamp strip cavity 250 to the outside. The luminous flux of any first light-emitting component 211" toward the middle of the back panel 12 will be smaller than the luminous flux toward the surrounding areas of the support unit 1. However, after the luminous flux of the two first light-emitting components 211" toward the middle of the back panel 12 is superimposed, it will tend to be consistent with the luminous flux of any first light-emitting component 211" toward the surrounding areas of the back panel 12, so that the entire LED lighting fixture will not have dark areas, thereby improving the lighting effect. The length of the lamp strip cavity 250 in the strip lens 25 is more than 80% of the total length of the strip lens 25. The two ends of the strip lens 25 can be an integrally formed closed surface, or a split closed surface, or the light strip cavity 250 can completely penetrate the strip lens 25.

[0283] The strip lenses 25 may also be formed by arranging independent single lenses.

[0284] In one specific embodiment, the brightness of the light from the second light-emitting component 212" after passing through the diffuser 222 is one-third to one-fifth, preferably one-quarter, of the brightness of the light from the first light-emitting component 211" after passing through the strip lens 25. As an example, the first light-emitting component 211" provides about 80% of the light source upward, and the second light-emitting component 212" provides about 20% of the light source downward, which is reflected and then emitted through the back panel 12, which can effectively improve the lighting effect.

[0285] In one embodiment, the diffuser 222 is in a U-shaped structure and is fixedly connected to the second bracket 220; the second light-emitting component 212 is located inside the diffuser 222, and the diffuser 222 disperses and atomizes the light to achieve a better light output effect.

[0286] 46 and 50 , in one embodiment, the diffuser 222 is located inside the back panel 12 or flush with the plane where the notch of the back panel 12 is located, so as to improve the aesthetic appearance of the LED lighting fixture.

[0287] The LED light strips in the above embodiments of the present application may also be composed of LED filaments, LED lamp bead arrays, light bulbs and other forms but not limited thereto.

[0288] In another embodiment of the present application, light source panels with different orientations are further provided to make the light emission directions of the optoelectronic module more diverse and uniform, further improving the uniformity of light emission. Furthermore, the provision of the light source panels provides more installation space for installing the light-emitting components in the optoelectronic module. According to the definition of the XYZ rectangular coordinate system established in FIG54: the side located in the positive direction of the X-axis is defined as the right side, and the side located in the negative direction of the X-axis is defined as the left side; the side located in the positive direction of the Y-axis is defined as the front side, and the side located in the negative direction of the Y-axis is defined as the rear side; the side located in the positive direction of the Z-axis is defined as the top side, and the side located in the negative direction of the Z-axis is defined as the bottom side.

[0289] Next, the LED lighting fixture proposed in this application (hereinafter referred to as LED lighting fixture) will be described with reference to the accompanying drawings.

[0290] As shown in Figures 54 and 55, an LED lighting fixture proposed in the present application includes: a supporting unit 1, a diffuser 222 (or a light processing unit), a power module 3 and a photoelectric module 2; the lamp is fixed to a mounting surface, such as an indoor ceiling, by the supporting unit 1 to achieve indoor lighting; the diffuser 222 is fixedly connected to the supporting unit 1 at both ends extending along the X-axis direction, that is, the length direction of the lamp, through the diffuser end caps 22210, and the illumination uniformity of the lamp is improved by the diffuser 222, and at the same time, the curved surface of the diffuser 222 is aligned with the supporting unit. The light emitting element 1 is combined with the light emitting element 1 to form a complete light emitting surface in the light emitting direction of the lamp, that is, the positive direction of the Z axis, which ensures visual integrity and enhances the external aesthetics of the lamp; the light source is powered by the power module 3; the optoelectronic module 2 is arranged between the supporting unit 1 and the diffuser 222, providing a first light emitting component 211" and a second light emitting component 212", to expand the lighting range, wherein the diffuser 222 is covered on the optoelectronic module 2, and more specifically, covers at least part of or completely the optoelectronic module 2, or at least part of or completely covers the light emitting component.

[0291] As shown in FIG55 , the support unit 1 specifically includes a base 11, which can be fixed to the mounting surface by means of screws, snaps, embedding, etc. The base 11 can be set to an arc structure or a square structure according to actual needs.

[0292] As shown in Figures 54, 55 and 61, in a specific embodiment, the base 11 is configured as a square structure, and the front and rear ends of the base 11 are connected with upwardly extending side walls, which can also be called first base side walls 112'. The base 11 and the first base side walls 112' at both ends can be configured as an integral structure, which is integrally formed through a stamping process. The production process is relatively simple and the structural strength is high; it can also be configured as a split structure, which is easy to disassemble and convenient for staff and subsequent maintenance. At the same time, the support unit 1 also includes a back panel 12, which is stacked on the base 11. The back panel 12 is configured as a wide-upper-narrow-lower structure. Specifically, the width of the upper end of the back panel 12 in the front-to-back direction is D1, the width of the lower end of the back panel 12 in the front-to-back direction is D2, and the width of the upper end between the first base side walls 112' on both sides of the base 11 in the front-to-back direction is D3. D1 must be greater than or equal to D2. Preferably, D1 is greater than D2. To ensure that the back panel 12 can be more conveniently placed in the support unit 1, D3 is greater than D2, and D3 is slightly greater than or equal to D1. The height of the base 11 in the upper and lower directions is greater than the height of the back panel 12, thereby ensuring that the upper edges of the base 11 and the back panel 12 can fit tightly together without generating gaps, light leakage, etc. In a specific embodiment, the back panel 12 can be configured as a square structure or an arc-shaped structure with a support plate connected to the side.

[0293] As shown in Figure 55 , the back panel 12 is provided with an upward protrusion 123 at the central axis extending along its length, forming a cavity between the back panel 12 and the base 11. The power module 3 is located within the protrusion 123 and is fixedly connected to the base 11. The base 11 has an opening corresponding to the position of the power module 3, and the terminal block 33 is electrically connected to the external circuit through the opening. By integrating the power module 3 within the support unit 1, spatial reuse is achieved, effectively saving space and reducing the overall height of the lamp. Furthermore, the power module 3 and the support unit 1 do not need to be packaged separately, which reduces the packaging volume and costs.

[0294] As shown in Figure 59, protrusion 123 extends left and right along the length of the lamp. In cross-section, protrusion 123 is trapezoidal in shape, with its upper end surface being a relatively flat horizontal surface, facilitating the installation of optoelectronic module 2 thereon. Its two side surfaces are inclined surfaces at a certain angle, which can reflect light emitted by the side light source of optoelectronic module 2 to a certain extent, further enhancing light output from the side of the lamp, reducing dark areas, preventing excessive light concentration, and improving illumination uniformity.

[0295] As shown in Figure 62, in another specific embodiment, the base 11 is configured as an arc-shaped structure with its arc-shaped opening facing upward. The base 11 is arc-shaped and tilted upward to form a certain space. The power module 3 can be arranged in the space formed by the arc-shaped and tilted base 11 and the mounting surface. In addition to the external support unit 1, the power module can be arranged without increasing the overall thickness of the lamp.

[0296] An upward projection is provided along the longitudinal axis of the base 11. The power module 3 can also be positioned within the projection and secured to the mounting surface. This internalization of the power module 3 within the support unit 1 eliminates the need to increase the height and bulk of the lamp while enhancing its aesthetics. The projection serves the same function as in the aforementioned embodiment; its relatively flat upper surface can be used to secure the light source module, and will not be further described here.

[0297] As shown in Figure 55, the power module 3 includes a power circuit board 31, which is fixed to the support unit 1 by screws, bonding, clamping or other connection methods. A terminal block 33 is provided on the power circuit board 31, and the terminal block 33 is connected to the external circuit through a wire. A first power supply 32 is provided on the side of the terminal block 33, and the first power supply 32 is electrically connected to the terminal block 33.

[0298] As shown in Figures 55, 58, 59 and 60A, a photoelectric module 2 is provided on the back panel 12, and the photoelectric module 2 includes a light source board 201. A groove 202 is provided at the central axis of the light source board 201. The upper end face of the light source board 201 is symmetrical on both sides with the groove 202 as the center. The surface of the groove 202 intersects with the plane where the upper end face is located, and the angle between the two can be adjusted. In one embodiment of the present application, the two are roughly perpendicular; two groups of first light-emitting components 211" are provided on the upper end face, and the symmetrical arrangement can effectively ensure the uniformity of the illumination of the front light. Each group of first light-emitting components 211" includes a light source. The first circuit board 2111' on the board 201 has a plurality of first light-emitting bodies 2112" arranged and extending left and right along the length direction on the first circuit board 2111'. When the first light-emitting bodies 2112" are energized, the first light-emitting bodies 2112" emit light that irradiates upwards. The number of first light-emitting bodies 2112" can be adjusted according to the actual required light intensity. The more first light-emitting bodies 2112" there are, the greater the forward light intensity of the LED lighting fixture. In this embodiment, at least one row of first light-emitting bodies 2112" (such as one row or two rows, etc.) is provided on the first circuit boards 2111' on both sides. That is, the optoelectronic module 2 has light output in at least two directions. The base 11 includes a bottom plate 111, and the bottom plate 111 and the first base side wall 112' (or side wall) are combined with the second end cover 4 to form a accommodating cavity. The optoelectronic module 2, the power module 3, and the back plate 12 are arranged in the accommodating cavity. Among them, the height of the diffuser 222 is less than or equal to the height of the first base side wall 112' along the positive direction of the Z axis to ensure the overall installation beauty of the lamp, while preventing the diffuser 222 from protruding from the support unit 1. When the diffuser 222 protrudes from the support unit 1, it is easy to be touched (bumped) by external objects and damaged. The back panel 12 also includes a light-emitting curved surface 121 and a connecting portion 122, wherein the light-emitting curved surface 121 corresponds to the lateral light output of the diffuser 222, and the lateral light output of the diffuser 222 is emitted from the light-emitting direction after light processing, wherein the light-emitting curved surface 121 can have a reflection function, a transmission function, a refraction function, a diffusion function, etc., or have at least two or more light processing functions at the same time. When the lateral light output of the diffuser 222 reaches the light-emitting curved surface 121, part of the light is directly reflected, and part of the light passes through the light-emitting curved surface 121 and reaches the supporting unit 1. After being reflected by the supporting unit 1, it is transmitted from the light-emitting curved surface 121. The above process can occur once or multiple times. Of course, the lateral light output of the diffuser 222 can also be reflected from the light-emitting surface 121 without reaching the supporting unit 1.The back panel 12 also has a coupling portion 122, which is coupled to the end of the first base side wall 112', that is, the end along the positive direction of the Z axis, by a snap-fit ​​method. If the coupling portion 122 is a bent structure, the end of the first base side wall 112' has a matching bend, and the fixation can be completed by pressing the coupling portion 122 onto the end of the first base side wall 112'. Of course, other methods can also be used to form a bent joint by hot pressing for fixation, or additional components such as screws, fixing frames, etc. can be used for fixation.

[0299] As shown in Figures 58 and 59, second light-emitting assemblies 212" are disposed on opposite sides of the exterior of the recess 202. The bottom of the recess 202 is secured to the protrusion of the back panel 12 by screws (or glue, welding, snaps, etc.), creating a certain height difference between the second light-emitting assembly 212" and the back panel 12. This effectively expands the illumination range of the second light-emitting assembly 212", that is, to a certain extent, expands the illumination range of the second light-emitting assembly 212". The second light-emitting assembly 212" includes a second circuit board 2121' disposed on the outer wall of the recess 202. The second circuit board 2121' is provided with a plurality of second light-emitting elements 2122" arranged in a row along the longitudinal direction. When the second light-emitting elements 2122" are energized, they emit light in a sideways direction. The number of second light-emitting elements 2122" can be adjusted according to the actual required light intensity. The greater the number of second light-emitting elements 2122", the greater the lateral light intensity of the lamp body. In this embodiment, a row of second light-emitting elements 2122" is provided on each of the second circuit boards 2121' on both sides.

[0300] In some other embodiments of the present application, the lamp beads can also be arranged on the lower surface of the end surface of the light source board 201, the inclined surface of the protrusion 123, etc. That is, the light output of the optoelectronic module 2 can be provided by multiple lamp beads at different positions, so that the light output angle covers a range of 180° along the light output direction based on the plane where the bottom plate 111 is located.

[0301] Referring to Figure 60A , in conjunction with Figures 60B and 60C , it can be seen that the light source board 201, i.e., the light source board 201 has mounting surfaces at different angles for mounting light emitters, emits light at different angles, and together forms the light output of the LED lighting fixture. Compared to traditional LED lighting fixtures, the light output angle is wider and softer. With the base plate 111 as the reference plane, the LED lighting fixture can achieve a 180° light output angle, meaning that the light can reach every corner of the LED lighting fixture along the light output direction, avoiding dark areas in the LED lighting fixture.

[0302] Referring to Figure 60B, the light-emitting unit 21 is simplified, and the structure is shown in the figure. Multiple light-emitting bodies are arranged in different directions, so that the light-emitting range of the light-emitting unit 21 in any plane can reach a 180° fan-shaped range with the light-emitting unit 21 as the center, as shown in the range a in the figure, that is, in three-dimensional space, it is a hemispherical range with the light-emitting unit 21 as the center, see Figure 60D.

[0303] Referring to Figure 60C, the light-emitting unit 21 is arranged through light-emitting bodies in different directions, so that the light-emitting angles b1 and b2 of the light-emitting unit 21 to both sides along the perpendicular line of the light-emitting unit 21 can reach the maximum angle of 90° defined by the perpendicular line and the base plate 111, thereby avoiding the appearance of dark areas in the light-emitting direction of the LED lighting fixture.

[0304] As shown in Figures 54, 55, and 64A, a diffuser 222 is provided above the optoelectronic module 2. The diffuser 222 defines a receiving cavity 2225 for accommodating the optoelectronic module 2. The diffuser 222 is fixedly connected to the support unit 1, and the optoelectronic module 2 is disposed between the diffuser 222 and the support unit 1. The diffuser 222 is made of a material having light-transmitting and light-diffusing properties. Preferably, the diffuser 222 may be made of, but not limited to, a PP (Polypropylene) diffuser sheet. The diffuser 222 made of a PP diffuser sheet not only has high light transmittance but also exhibits excellent light diffusion, thereby preventing glare. The diffuser 222 may have an arcuate or square structure depending on the specific implementation, enhancing the light diffusion effect while improving the aesthetics of the lamp.

[0305] FIG60A is a schematic cross-sectional view of an LED lighting fixture in an embodiment of the present application along a direction perpendicular to the optoelectronic module. As shown in the figure, the optoelectronic module 2 located in the storage cavity 2225 directs at least a portion of its light output toward the back panel 12, that is, at least a portion of the light output is emitted from the diffuser 222 and projected onto the back panel 12, and is finally emitted from the LED lighting fixture after being reflected by the back panel 12.

[0306] In another embodiment of the present application, the back panel 12 has reflection and projection functions. After the light emitted by the optoelectronic module 2 is processed by the diffuser 222, at least a portion is reflected by the back panel 12 and then emitted, and at least a portion is projected onto the base 11 through the back panel 12, and then reflected by the base 11 and then emitted from the back panel 12.

[0307] As shown in Figures 55 and 58 , the inner or outer wall of the diffuser 222 can preferably be patterned, i.e., a specific pattern structure, such as a striped structure, dot-shaped protrusions or depressions, or a frosted structure, can be formed on the inner or outer wall. This is an array of tiny optical structures, i.e., a micro-array optical structure. When the optoelectronic module 2 is housed in the storage cavity 2225 and emits light, the excessively concentrated light can be effectively dispersed through optical processing such as diffuse reflection or refraction by the patterned structure of the inner or outer wall, thereby avoiding the problem of glare or glare caused by the appearance of a point light source in the lamp body, thereby achieving a uniform and softer light emission effect. In this embodiment, a striped structure 2227 is preferably provided on the inner wall of the diffuser 222.

[0308] As shown in the simple light path emission diagram of Figure 7, the first light-emitting component 211" emits light upward, and cooperates with the arc structure of the diffuser 222 and the patterned structure provided thereon to enhance the light diffusion effect and avoid glare; as for the light emission of the second light-emitting component 212", cooperates with the reflective effect of the lower surface of the upper end face of the light source plate 201 and the inclined surface of the protrusion 123, all the lateral light is reflected to the side of the lamp, thereby improving the uniformity of illumination and reducing the range of dark areas.

[0309] As shown in Figures 54 to 56, the diffuser 222 is provided with diffuser end covers 22210 at both axial ends along the length direction. The bottom of the diffuser end cover 22210 is in contact with the support unit 1. A snap-fit ​​groove 222101 is provided inside the diffuser end cover 22210 at the position corresponding to the light source board 201. The light source board 201 is snapped into the snap-fit ​​groove 222101. The diffuser 222 is connected to the optoelectronic module 2 through the diffuser end cover 22210, thereby effectively preventing light leakage from the axial ends of the light-transmitting diffuser 222.

[0310] As shown in Figures 54 to 57, the second end covers 4 are provided at both axial ends of the supporting unit 1, the outer side of the diffuser end cover 22210 is provided with a plug-in block 222102, and the inner side of the second end cover 4 is provided with a plug-in hole 131 at the position corresponding to the plug-in block 222102. The mutual cooperation between the plug-in block 222102 and the plug-in hole 131 makes the installation and fixation between the diffuser end cover 22210 and the second end cover 4 faster and more convenient. The plug-in block 222102 is inserted into the corresponding plug-in hole 131 to realize the connection between the diffuser end cover 22210 and the second end cover 4, and complete the assembly of the overall structure of the lamp body.

[0311] As shown in FIG54 , a sensing device 6 may also be provided on the diffuser end cover 22210. The sensing device 6 may sense the external environmental conditions, such as light intensity, temperature, humidity and other data, and adjust the light output state of the lamp according to the external data.

[0312] As shown in Figures 54 and 55 , in another embodiment, the LED lighting fixture may also be equipped with an emergency power module 34, which is mounted on the power module 34 and shares a common power circuit board 41. The emergency power module 34 includes an emergency power supply 341 and an energy storage battery 52 mounted on the power circuit board 31. The emergency power supply 341 and the energy storage battery 52 are electrically connected via wires. Once the first power supply 32 loses power, the emergency power supply 341 is triggered to activate and resume power supply. Preferably, the diffuser end cap 22210 is correspondingly provided with an emergency test switch 343 and an emergency indicator light 344. The emergency test switch 343 serves as a switch required for safety and maintenance inspections of the LED lighting fixture. When the emergency test switch 343 is pressed, the emergency indicator light 344 illuminates to indicate whether the emergency power module 34 is operating properly.

[0313] Figure 63A shows a schematic diagram of the surface brightness of a square lampshade in one embodiment of the present application. The brightness changes with changes in the spacing between the lamp beads and the spacing between the lamp beads and the lampshade. Figure 63A shows the surface brightness of a square lampshade when the spacing between the lamp beads and the lampshade is 32.8 mm and the spacing between the lamp beads is 8 mm. Figure 63B shows the illumination of the illuminated surface at a distance of 2.5 m. Figure 63C shows the light distribution curve for these conditions.

[0314] Figure 64A is a schematic diagram of the brightness of the lampshade surface when the distance between the lamp bead and the arc lampshade is 32.8 mm. Figure 64B is a schematic diagram of the illuminance of the illuminated surface at a distance of 2.5 m. Figure 64C is the light distribution curve at this time.

[0315] In other embodiments, the light transmittance of the top surface and the side surfaces of the diffuser 222 are the same.

[0316] In other embodiments, the light transmittance of the top surface and the side surfaces of the diffuser 222 may be greatly different, such as transparent or translucent.

[0317] In another embodiment of the present application, referring to FIG24B , in one embodiment of the present application, the base 11 has at least one protrusion with a trapezoidal or V-shaped cross section along the length or width direction on the side close to the back panel 12, i.e., a protrusion structure integrally formed on the base 11, having an inclined surface pointing toward the back panel. At least one light-emitting unit 21 can be disposed on the inclined surface, which can also be said to be a light-emitting component, such as at least one first light-emitting component or second light-emitting component, and the first light-emitting component or second light-emitting component is in contact with the inclined surface, so that at least a portion of the light emitted by the light-emitting unit 21 (or the first light-emitting component or the second light-emitting component) is directed toward the back panel 12, which can be an inclined plane or curved surface. A light processing unit 22 is also disposed on the base 11, and the light processing unit 22 can be a diffuser 222. The diffuser 222 is disposed over the light processing unit 22 and covers at least a portion of the light-emitting unit 21, and can emit and diffuse the light emitted from the light-emitting unit. The back panel 12 has a light reflection function. After being processed by the light processing unit 22, at least a portion of the light is directly emitted from the light processing unit. At least a portion of the light processed by the light processing unit 22 (or the diffuser 222) is projected onto the back panel 12, reflected by the back panel 12, and ultimately emitted from the LED lighting fixture, thereby making the light output of the LED lighting fixture more uniform. In one embodiment of the present application, a power module 3 is also included, which is disposed on the side of the back panel 12 near the base 11. The height of the power module 3 is less than or equal to the distance between the highest end of the back panel 12 and the bottom plate 111 of the base 11.

[0318] Please refer to Figures 65 and 66. Figure 65 is a front view schematic diagram of an LED lighting fixture in one embodiment of the present application, and Figure 66 is a back view schematic diagram of an LED lighting fixture in one embodiment of the present application. As shown in Figure 65, the LED lighting fixture includes a support unit 1. The support unit 1 serves as the main frame of the LED lighting fixture. Other components of the LED lighting fixture are installed with the support unit 1 as the installation reference. At the same time, the support unit 1 is used to determine the overall shape of the LED lighting fixture. In the embodiment of the present application, the support unit 1 is roughly trumpet-shaped, that is, the opening at one end is smaller than the opening at the other end. At the end with the smaller opening, a diffuser 222 is provided. The diffuser 222 is provided at the end of the support unit 1 with the smaller opening. The diffuser 222 is supported by the support unit 1 and together with the support unit 1, forms a relatively complete light-emitting surface.

[0319] Referring to Figure 66, the support unit 1 is also interconnected with the base 11, that is, the base 11 covers the smaller end of the support unit 1, and the base 11 and the diffuser 222 abut against each other to form a relatively closed accommodating space, in which some electronic components and optical devices are arranged.

[0320] Please refer to Figure 67, which is an exploded view of the front of the LED lighting fixture in this embodiment. As shown in the figure, the support unit 1 includes a plurality of back panels 12, which are connected end to end to form a cylindrical structure. The back panels 12 are tilted relative to the horizontal plane, so that the opening of the cylindrical structure formed by the back panels 12 is larger at one end and smaller at the other end, i.e., forming a trumpet-shaped structure. One end of the back panel 12 along the light output direction of the LED lighting fixture, i.e., the end with the larger opening, is bent horizontally to form a joint portion 122 of a certain length. The joint portion 122 is flat and forms a plane. When the LED lighting fixture is installed, the joint portion 122 generally conforms to the installation surface, such as a ceiling. The joint portion 122 with a flat surface can make the LED lighting fixture have a better appearance when used in a straight-up view after installation. The other end of the back panel 12 (i.e., the end with the smaller opening) is provided with multiple connecting portions 124, or at least one connecting portion 124. This connecting portion 124 extends from one end of the back panel 12 and is used to connect and secure the base panel 11. The connecting portion 124 has at least one opening, which corresponds to an opening in the base panel 11. Bolts or rivets are inserted through the openings in the connecting portion 124 and the openings in the base panel 11, respectively, to secure the base panel 11 to the support unit 1. One end of the base panel 11 includes at least one first base sidewall 112 and two second base sidewalls 113.

[0321] In this embodiment, the first base sidewall 112 is formed by extending the bottom plate 11 to one side, and the second base sidewall 113 is formed separately. The first base sidewall 112 and the two second base sidewalls 113 are combined to form a semi-enclosed accommodating space for accommodating the power module 3. The semi-enclosed space formed by the first base sidewall 112 and the second base sidewall 113 is then attached to the back plate 12 to form a relatively sealed space for accommodating the power module. This eliminates the need for a separate power box for accommodating the power module 3, thereby reducing the cost of the lamp.

[0322] This embodiment also includes a light-emitting unit 21, which is disposed on the base plate 11 and is completely covered by a diffuser 222. It is worth noting that the diffuser 222 is clamped and fixed by the support unit 1 and the base plate 11. During assembly, the diffuser 222 can be fixed by simply locking the base plate 11 and the support unit 1, and no additional fixing of the diffuser 222 is required. Traditional diffusers are generally disposed on one side of a component and fixed by, for example, gluing or other means. The other side of the diffuser is relatively weakly fixed. In this embodiment, the diffuser 222 is fixed by clamping and fixing the support unit 1 and the base plate 11, so that both sides of the diffuser 222 are limited by components, eliminating the risk of the diffuser 222 falling off. Moreover, the connection between the diffuser 222, the support unit 1, and the base plate 11 is different from the traditional connection method of gluing or welding. Therefore, the replacement of the component is simple and does not damage the original component.

[0323] Please refer to Figure 68. Figure 68 is a schematic diagram of the structure of the LED lighting fixture after the base plate 11 and the diffuser 222 are combined in this embodiment. As shown in the figure, in this embodiment, the first base side wall 112 and the second base side wall 113 form two semi-enclosed accommodating spaces, at least one of which is used to accommodate the power module 3, and the other semi-enclosed accommodating space can be used to accommodate other electronic components or emergency power supplies, etc. The edge of the diffuser 222 also includes a plurality of (at least one) limiting members 2226, which extend in a direction parallel to the base plate 11 and exceed the opening of the smaller section of the support unit 1, interfering with one end of the back plate 12 to limit the movement of the diffuser 222 along the light emitting direction of the LED lighting fixture.

[0324] Please refer to Figure 69. Figure 69 is a schematic structural diagram from another perspective of the combination of the base plate 11 of the LED lighting fixture and the diffuser 222 in this application. As shown in the figure, a plurality of (or at least one) reinforcing structures 114 are provided on the base plate 11. The reinforcing structure 114 is a groove-shaped structure, which protrudes in the opposite direction of the light output of the LED lighting fixture, that is, it is a groove structure on the surface where the light-emitting unit 21 is provided. The light-emitting unit 21 is provided in the reinforcing structure 114 (groove structure), which can effectively realize the positioning of the light-emitting unit.

[0325] 70 is a schematic diagram showing the light emitting unit 21 disposed in the reinforcement structure 114 . The light emitting unit 21 includes a plurality of first light emitting components 2111 , the structure of which is as described above for the light emitting components.

[0326] Please refer to Figures 71 and 74. Figure 71 is a schematic diagram of the structure of an LED lighting fixture in one embodiment of the present application, and Figure 74 is a schematic diagram of the LED lighting fixture in one embodiment of the present application from another perspective. The LED lighting fixture 100 includes a support unit 1, which serves as the main structure of the LED lighting fixture 100. The support unit 1 includes a base 11 and a back panel 12. In this embodiment of the present application, the base 11 and the back panel 12 are integrally formed. The base 11 includes a bottom panel 111, which is a flat surface. The back panel 12 is a curved surface extending outward from both ends of the base 11 (or bottom panel 111). The base 11 has a groove structure in which the optoelectronic module 2 is disposed. The side facing the light-emitting direction of the LED lighting fixture is called the front side, and the side facing away from the light-emitting direction is called the back side. The back side of the base 11 is provided with a power module 3. This power module 3 is attached to the base 11, or in other words, attached to the back side of the support unit 1 and is at least partially disposed within the space formed by the curvature of the back plate 12. The overall shape of the LED lighting fixture 100 is rectangular, and the optoelectronic module 2 extends along the length or width of the LED lighting fixture.

[0327] Please refer to Figure 72, which is an exploded view of an LED lighting fixture 100 in one embodiment of the present application. As shown in the figure, the support unit 1 of the LED lighting fixture 100 includes a base 11, a back panel 12 extending integrally from both ends of the base 11, and at least one side wall 13. The base 11, back panel 12, and side wall 13 are interconnected to form a receiving space. One end of the back panel 12 is connected to the base 11, and the end away from the base 11 is tilted and extended toward the side of the light output direction of the lamp. In other words, at least both ends tilt in the same direction relative to a plane. Furthermore, the back panel 12 can be formed by a rectangular panel with opposite ends bent in the same direction.

[0328] In one embodiment of the present application, the back plate 12 is a rectangular panel in an unbent state, and its long sides are bent toward the center, that is, symmetrically bent to form an arc-shaped back plate 12.

[0329] In one embodiment of the present application, the bottom plate 111 is a flat bottom surface, and the back plate 12 is an arc surface extending to both sides along the bottom plate 111 , and the arc surface bends toward the same side of the bottom plate 111 .

[0330] In one embodiment of the present application, the back plate 12 is an arc-shaped back plate, and the back plates 12 are provided on both sides of the bottom plate 111, and the two back plates are symmetrically arranged with respect to the bottom plate 111. The side wall 13 cooperates with the back plate 12 to form an arc-shaped groove, and the optoelectronic module 2 is disposed in the arc-shaped groove. One side of the side wall 13 is connected to the arc of the back plate 12, that is, one side of the side wall 13 is an arc-shaped side that is the same as the arc of the back plate 12, and the other side opposite is a straight side. The arc-shaped side is in contact with the long side of the back plate 12, and the straight side forms a plane with the short side of the back plate 12, thereby forming a regular arc-shaped groove.

[0331] The optoelectronic module 2 is arranged in the arc-shaped groove and is arranged perpendicular to the surface of the side wall 13, that is, it is arranged along the short side direction of the back panel 12. The optoelectronic module 2 includes a mounting bracket 26, a light-emitting unit 21 and a light processing unit 22. The light-emitting unit 21 includes a first light-emitting component 21, and the light processing unit 22 includes a first optical component 224, a second optical component 225, and a third optical component 226. The mounting bracket 26 is arranged along the short side direction of the back panel 12 (or the bottom panel 111), that is, it is arranged between the two vertical side walls 13 and is in contact with the bottom panel 111. The preferred mounting bracket 26 is arranged in the middle part of the bottom panel 111 along the length direction.

[0332] Please refer to Figure 72 and Figure 73, where Figure 73 is a schematic cross-sectional view of the optoelectronic module 2 along its width direction in an embodiment of the present application.

[0333] As shown in the figure, the mounting bracket 26 is arranged on the base plate 111, and the mounting bracket 26 includes a first mounting base surface 261 and a second mounting base surface 262, wherein the second mounting base surface 262 is arranged obliquely relative to the first mounting base surface 261. In one embodiment of the present application, the number of the second mounting base surfaces 262 is 2, and they are arranged along the length direction of the mounting bracket 26, wherein the first mounting base surface 261 is in contact with the base plate 111, and the two are directly or indirectly in contact with each other, and can be fixed by, for example, glue, welding, snap fasteners, interlocking, screws and nuts, etc.

[0334] Referring to Figure 73 , a first light-emitting assembly 211 is disposed on a surface of the first mounting surface 261 that is relatively remote from the base plate 111. The first light-emitting assembly 211 extends along the length of the first mounting surface 261 and includes a first circuit board 2111 and at least one first light-emitting element 2112 disposed on a surface of the first circuit board 2111 that is remote from the first mounting surface 261. The first circuit board 2111 is a plate material capable of direct or indirect electrical conduction, such as a PCB, FPC, aluminum substrate, or BT substrate. The first light-emitting element 2112 includes an array of multiple LED chips, or may be an array of other light sources or a single light source. In one embodiment of the present application, at least one first light-emitting element 2112 is disposed on the first circuit board 2111, and the light emission direction of the first light-emitting element 2112 is directed away from the base plate 111. A first optical member 224 is disposed along the light-emitting direction of each first light-emitting element 2112. The first optical member 224 is generally hemispherical and integrally covers the first light-emitting element 2112, thereby housing the first light-emitting element 2112 within the relatively sealed space formed by the first optical member 224 and the first mounting base 261. This isolates the first light-emitting element 2112 from the external environment and protects the first light-emitting element 2112. Furthermore, the first optical member 224 is generally spherical with multiple protrusions, which diffuses the light emitted by the first light-emitting element 2112. At least a portion of the light emitted by the first light-emitting element 2112 is directly emitted through the first optical member 224.

[0335] In one embodiment of the present application, the first optical member 224 has an extension portion 2241 that is in contact with the first mounting base 261. The extension portion 2241 is disposed along the edge of the first optical member 224. The first optical member 224 has a specific surface shape. For example, in one embodiment, its radial cross-section is an outwardly convex arc surface, which can achieve light transmission and light diffusion functions.

[0336] The second optical member 225 is disposed along the length of the mounting bracket 26. In one embodiment, the second optical member 225 is comprised of a plurality of reflective cups 2251, which are integrally formed to form the second optical member 225. The reflective cups 2251 are transparent from top to bottom, with one end opening smaller than the other. Specifically, the projection of the larger end perpendicularly toward the first mounting surface 261 completely encompasses the projection of the smaller end toward the first mounting surface 261. In other words, the reflective cup 2251 has both a smaller opening and a larger opening. The smaller end of the reflective cup 2251 (with the smaller opening) abuts against the extension 2241 of the first optical member 224, enclosing the first optical member 224 within the reflective cup 2251 and pressing the first optical member 224 against the first circuit board 2111. In this application, the height of the first optical member 224 is less than or equal to the height of the reflective cup 2251, i.e., less than or equal to the height of the second optical member 225 (this height is measured only in the light-emitting direction).

[0337] In one embodiment of the present application, the first optical component 224 is a free-form surface lens, which cooperates with the reflective cup 2251 to achieve large-angle bat-wing light emission. The free-form surface lens, that is, the first optical component 224, achieves large-angle light emission and uniform illumination distribution, while the reflective cup 2251 constrains the light emission angle, mixes the light spots to a certain extent, and promotes uniform illumination.

[0338] The second mounting surfaces 262 of the mounting bracket 26 are arranged along its length. The two second mounting surfaces 262 are spaced a certain distance apart, allowing the first light-emitting assembly 211 to be placed between the two second mounting surfaces 262. Specifically, the minimum spacing between the two second mounting surfaces 262 along the width of the mounting bracket 26 is greater than or equal to the width dimension of the first light-emitting assembly 211 along the width of the mounting bracket 26. In other words, the two second mounting surfaces 262 of the mounting bracket 26 form a receiving space with the first mounting surface 261, within which the first light-emitting assembly 211 is disposed. The second mounting surfaces 262 are integrally formed with the mounting bracket 26. The second mounting surfaces 262 include a first curved surface 2621 and a second curved surface 2622. The second light-emitting assembly 212 is disposed on the outer side of the first curved surface 2621, i.e., the second light-emitting assembly 212 is disposed outside the receiving space. The second light-emitting assembly 212 is composed of the same components as the first light-emitting assembly 211. The second light-emitting assembly 212 emits light in a sideways direction, that is, toward the curved surface of the back panel 12. In other words, the first light-emitting assembly 211 and the second light-emitting assembly 212 emit light in different directions. One end of the first curved surface 2621 is connected to the first mounting base 261, and the other end is connected to the second curved surface 2622. The second curved surface 2622 is connected to the first mounting base 261 at one end, and the other end is provided with a connecting portion 22511. The connecting portion 22511 is a flat supporting surface for supporting the second optical member 225, that is, the larger end of the reflective cup 2251. A first insertion slot 225110 is provided on the surface of the connecting portion 22511 facing the first mounting base 261. Correspondingly, a second insertion slot 2311 is also provided on the first mounting base 261. The third optical element 226 is a sheet-shaped light processing element. At least one third optical element 226 is secured by being inserted into the first insertion slot 225110 and the second insertion slot 2311. It is positioned in the light-emitting direction of the second light-emitting assembly 212. The third optical element 226 performs at least two light-processing functions: light diffusion and light projection. In some embodiments, the third optical element 226 may be a diffuser. In this embodiment, since the mounting bracket 26 has two second mounting bases 262, the two second light-emitting assemblies 212 are respectively positioned on the two first curved surfaces 2621. Thus, two third optical elements 226 are positioned in the light-emitting direction of the two second light-emitting assemblies 212. In other embodiments of the present invention, only one second light-emitting assembly 212 and one third optical element 226 may be provided. By combining the first and second light-emitting assemblies 211 and 212, the first optical element 224, the second optical element 225, and the third optical element 226, the LED lighting fixture 100 provides at least two different light-emitting modes.That is, part of the light output is the light output from the first light-emitting component 211 and is processed by the first optical component 224 and the second optical component 225; the other part of the light output is the light output from the second light-emitting component 212, which passes through the third optical component 226 and is projected toward the base plate 111 (or the base plate back plate 12), and is finally emitted from the LED lighting fixture 100 after being reflected by the base plate 111 (or the base plate back plate 12); so that the LED lighting fixture has good light output at its center and also has good light output at its sides, and its light output is uniform and avoids the dark areas that may exist in the LED lighting fixture. At the same time, the illumination at the center and the surroundings is uniform, reducing glare.

[0339] In another embodiment of the present application, the second mounting base 262 and the first mounting base 261 are formed independently and then assembled.

[0340] In another embodiment of the present application, at least one second light-emitting component 212 is disposed on the first bending surface 2621 and the second bending surface 2622 .

[0341] In another embodiment of the present application, the second mounting base 262 is a flat rectangular panel.

[0342] In another embodiment of the present application, the third optical component 226 is a curved surface that is convex along the light emitting direction of the second light emitting element 212 .

[0343] In another embodiment of the present application, the third optical component 226 is a curved surface that is concave along the light emitting direction of the second light emitting element 212 .

[0344] In one embodiment of the present application, at least a portion of the light emitted by the first light-emitting component 211 is directly emitted from the LED lighting fixture 100 after being processed by the first optical component 224; in addition, at least a portion of the light processed by the first optical component 224 is refracted onto the inner wall of the reflective cup 2251 (the side of the reflective cup 2251 close to the first light-emitting component 211), and is directly emitted after being reflected once by the inner wall of the reflective cup 2251.

[0345] In another embodiment of the present application, at least a portion of the light emitted by the first light-emitting component 211 is processed by the first optical component 224 and then refracted onto the inner wall of the reflective cup 2251 (the side of the reflective cup 2251 close to the first light-emitting component 211). After being reflected at least once by the inner wall of the reflective cup 2251, it is then reflected at least once by the outer wall of the first optical component 224 (the surface of the first optical component 224 away from the first light-emitting component 211) before being emitted from the LED lighting fixture 100.

[0346] Please refer to Figure 74, which is a schematic diagram of the back side of an LED lighting fixture in an embodiment of the present application. The LED lighting fixture 100 also includes a power module 3. The power module 3 is disposed on the side of the support unit 1 that is away from the light output direction. The power module 3 is attached to the curved surface of the back panel 12, with the curved surface of the back panel 12 serving as a portion of the packaging structure for the power module 3, thereby reducing production costs. The power module 3 can control the light sources of the LED lighting fixture 100, specifically the first light-emitting component 211 and the second light-emitting component 212. The coordination of the first light-emitting component 211 and the second light-emitting component 212 realizes the dimming and color adjustment function of the LED lighting fixture.

[0347] In another embodiment of the present application, the power module 3 may also be used to simultaneously control the first light-emitting component 211 and the second light-emitting component 212 to implement the dimming and color adjustment function of the LED lighting fixture.

[0348] In another embodiment of the present application, the base 11 and the side wall 13 are integrally formed, for example, by integrally stamping a metal material.

[0349] Please refer to Figures 75 and 76. Figure 75 is a front schematic diagram of an LED lighting fixture in another embodiment of the present application, and Figure 76 is a back schematic diagram of an LED lighting fixture in another embodiment of the present application.

[0350] As shown in Figure 75, the LED lighting fixture 100 includes a support unit 1, which comprises a base 11, two back panels 12 on either side of the base 11, and side walls 13. The base 11, back panels 12, and side walls 13 are interconnected. The support unit 1 serves as the main frame of the LED lighting fixture and is used to mount the relevant components of the LED lighting fixture. The base 11 includes a bottom plate 111, which is a flat surface. The back panel 12 is an arc-shaped structure with two sides extending in the same direction. In other words, the base 11, the two back panels 12, and the two side walls 13 form a groove structure or accommodating space.

[0351] At least two ends of the bottom plate of the back plate 12 are tilted in the same direction. Specifically, the back plate 12 can be formed by a rectangular panel with two opposite ends bent in the same direction.

[0352] In another embodiment of the present application, the back plate 12 is a rectangular panel in an unbent state, and its long sides are bent toward the center, that is, symmetrically bent to form an arc-shaped back plate 12.

[0353] In one embodiment of the present application, the base 11 has a flat bottom plate 111, and the side wall 13 cooperates with the back plate 12 and the base 11 to form a type of arc-shaped groove (the middle part is relatively flat), and the optoelectronic module 2 is arranged in the arc-shaped groove, wherein one side of the side wall 13 is connected to the arc line of the back plate 12, that is, one side of the side wall 13 has the same arc-shaped edge as the back plate 12, and the other opposite side is a straight edge, and its straight edge is coplanar with the short side of the bottom plate 111, thereby forming a regular arc-shaped groove. An outer frame 4 is provided on one end of the support unit 1 along the light-emitting direction, and the outer frame 4 is fixed to the side wall 13 and the back plate 12, and is used to strengthen the structural strength of the LED lighting fixture and improve the aesthetics of the LED lighting fixture. In the arc-shaped portion of the back plate 12, a power module 3 (or drive module) is provided on the outside of the arc-shaped groove of the support unit 1.

[0354] Please refer to Figure 76, which is a schematic diagram of the backside of an LED lighting fixture in another embodiment of the present application. As shown, the power module 3 is positioned to conform to the curvature of the back panel 12 and at least partially overlaps with the base panel 111, minimizing the size of the LED lighting fixture. The LED lighting fixture 100 also includes a hanger 5, which can be mounted on the sidewall 13, base panel 111, back panel 12, or outer frame 4. In one embodiment of the present application, the hanger 5 is mounted at one or more locations on the outer frame 4 using screws or welding, and serves to connect and secure the LED lighting fixture to its surroundings. The base panel 111 is provided with a base mounting portion 1111. This base mounting portion 1111 protrudes toward the light output direction of the LED lighting fixture, appearing recessed when viewed from the back of the LED lighting fixture. Alternatively, the base mounting portion 1111 can be referred to as a base reinforcement structure. In this embodiment, there are two base mounting portions 1111, which are positioned perpendicular to the sidewall 13 and parallel to each other. The bottom plate mounting portion 1111 is integrally formed with the bottom plate 111 through a stamping process, that is, the bottom plate mounting portion 1111 is directly formed by stamping the bottom plate 111 without adding additional materials.

[0355] Please refer to Figure 77, which is a schematic diagram of the structure of the chassis in one embodiment of the present application. As shown in the figure, the base plate mounting portion 1111 is integrally formed on the base plate 111, that is, the base plate mounting portion 1111 is stamped integrally with the base plate 111 along the light emitting direction of the LED lighting fixture. It protrudes in the light emitting direction of the LED lighting fixture and is viewed as a groove structure on the side of the base plate 111 away from the light emitting direction. It extends along the length direction of the base plate 111. Of course, in other embodiments, it can also extend in other directions, such as the width direction. In this embodiment, the base plate mounting portion 1111 is configured as a prism structure extending along the length direction of the base plate 111, having a relatively flat top surface and side surfaces, wherein the top surface is approximately parallel to the base plate 111 and the side surfaces are approximately directed toward the back plate 112. In the present application, the base plate mounting portion 1111 can, on the one hand, realize the function of a reinforcing rib, that is, expand the planar structure of the base plate 111 into a three-dimensional structure without adding any additional materials, thereby improving its overall strength; on the other hand, the base plate mounting portion 1111 can also be used as a light source mounting portion, that is, its prism surface can be covered with a light source board, and multiple prism surfaces can be provided with light source boards at the same time to realize multi-directional light emission.

[0356] Please refer to Figures 78 to 80. Figure 78 shows an exploded view of an LED lighting fixture in an embodiment of the present application. Figure 79 shows a cross-sectional view of the LED lighting fixture in an embodiment of the present application along a direction parallel to the sidewalls. Figure 80 shows an enlarged view of point E in Figure 79. In conjunction with Figures 78 and 79, in an embodiment of the present application, the optoelectronic module 2 includes a light processing unit 22. The light processing unit 22 includes a diffuser 222 and diffuser end caps 22210 disposed at both ends of the diffuser 222. The diffuser 222 is arched, i.e., flat in the middle and bent downward on both sides. The diffuser 222 is fixed to the bottom plate 111, or the relatively flat portion of the back plate 12, and the two ends are sealed by diffuser end caps 222104.

[0357] 78 and 79 , it can be seen that a first light-emitting component 211 and a second light-emitting component 212 are provided on the base plate 111, wherein the first light-emitting component 211 is provided between the second light-emitting component 212, and the diffuser 222 completely covers the first light-emitting component 211 and the second light-emitting component 212. The diffuser 222, the base plate 111, and the diffuser end cover 22210 are combined to form a sealed space for accommodating the first light-emitting component 211 and the second light-emitting component 212.

[0358] The power module 3 includes a power box 35 and a first power supply 32. Combined with Figures 78 and 79, it can be seen that the first power supply 32 is arranged in the power box 35, and the other parts of the power box 35 are fitted with the back panel 112. Under the premise of ensuring the integrity of the appearance of the lamp, the impact of the setting of the first power supply 32 on the specific volume of the LED lighting lamp is minimized as much as possible.

[0359] In conjunction with Figures 79 and 80, a first light-emitting component 211 and two second light-emitting components 212 are provided on the base plate 111, wherein the first light-emitting component 211 is directly attached to the base plate 111. The second light-emitting components 212 are provided on the base plate mounting portion 1111, that is, attached to the inclined surface of the base plate mounting portion 1111 located in the light-emitting direction of the LED lighting fixture, and the light-emitting direction of the second light-emitting components 212 is roughly toward the back plate 112. In this embodiment of the present application, the angle between the second light-emitting components 212 is an acute angle, that is, the ends of the two second light-emitting components 212 away from the base plate 111 are close to each other, and their oblique edges just cover the inclined surface of the base plate mounting portion 1111. The first light-emitting component 211 is directly attached to the base plate 111. Of course, the base plate 111 can also be provided with a groove structure for accommodating the first light-emitting component 211. The first light-emitting component 211 and the second light-emitting component 212 emit light in different directions, meaning the LED lighting fixture's light source emits light in at least two different directions, thereby reducing or preventing the formation of noticeable dark areas on the LED lighting fixture. After being processed by the diffuser 222, at least a portion of the light emitted by the second light-emitting component 212 is emitted directly from the diffuser 222 (or the light processing unit 22) to the exterior of the LED lighting fixture, while at least a portion of the light is projected onto the back panel 12, reflected by the back panel 12, and ultimately emitted from the LED lighting fixture.

[0360] In one embodiment of the present application, after being processed by the diffuser 222, at least a portion of the light emitted by the second light-emitting component 212 is directly emitted from the diffuser 222 (or the light processing unit 22) to the outside of the LED lighting fixture, and at least a portion of the light is projected onto the back panel 12, and then reflected by the back panel 12 and reflected again onto the diffuser 222 (or the light processing unit 22), and finally emitted from the LED lighting fixture after being reflected by the diffuser 222 (or the light processing unit 22).

[0361] In one embodiment of the present application, after being processed by the diffuser 222 (or the light processing unit 22), at least a portion of the light emitted by the first light-emitting component 211 is directly emitted from the diffuser 222 (or the light processing unit 22) to the outside of the LED lighting fixture, and at least a portion of the light is projected onto the back panel 12, and is finally emitted from the LED lighting fixture after being reflected by the back panel 12.

[0362] In one embodiment of the present application, after being processed by the diffuser 222 (or the light processing unit 22), at least a portion of the light emitted by the first light-emitting component 211 is directly emitted from the diffuser 222 (or the light processing unit 22) to the outside of the LED lighting fixture, and at least a portion of the light is projected onto the back panel 12, reflected by the back panel 12, and then reflected again onto the diffuser 222, and finally emitted from the LED lighting fixture after being reflected by the diffuser 222.

[0363] In one embodiment of the present application, at least a portion of the light emitted by the first light-emitting component 211 is processed by the diffuser 222 (or the light processing unit 22 ) and then emitted directly.

[0364] Please refer to Figure 81, which is a schematic diagram of the second light-emitting component 212 in one embodiment of the present application, wherein the second light-emitting component 212 is composed of two second circuit boards 2121 set at an acute angle, and a second light-emitting body 2122 is arranged on the second circuit board 2121 along the length direction. The second light-emitting body 2122 can be an LED chip array.

[0365] In one embodiment of the present application, the diffuser 222 (or the light processing unit 22 ) can be made of glass, resin, or PC.

[0366] In one embodiment of the present application, the diffuser 222 (or the light processing unit 22 ) has one or more functions of light transmission, light refraction (or diffusion), light reflection, and light diffraction due to its own material.

[0367] In one embodiment of the present application, the surface of the diffuser 222 (or the light processing unit 22 ) may be patterned, for example, by providing a special microstructure array to change the light output effect, such as reducing the glare of the lamp.

[0368] See Figures 82 and 83 below. Figure 82 is a front view schematic diagram of an LED lighting fixture in another embodiment of the present application, and Figure 83 is a rear view schematic diagram. As shown in the figures, the basic structure of the LED lighting fixture is substantially the same as that described above, and includes a support unit 1 serving as the main body of the fixture. The support unit 1 includes a base 11, two back panels 12 disposed along the long sides of the base 11, and at least two side walls 13 disposed along the short sides of the base 11 and the short sides of the back panels 12. The base 11, back panels 12, and side walls 13 are interconnected to form a groove-shaped accommodation space for accommodating the optoelectronic module 2, i.e., at least a portion of the optoelectronic module 2 is accommodated in the accommodation space. The base 11 includes a flat bottom plate 111, and the back panel 12 includes an arc-shaped curved surface. The front side of the curved surface is a concave diffuse reflective surface for diffusing and reflecting light, and the back side of the curved surface is a convex surface for mounting the power module 3. The long sides of the base 11 are connected to the back panel 12, and the long sides on both sides of the base 11 are connected to the back panel 12. In some embodiments, the base 11 and the back panel 12 are designed and assembled separately. In some embodiments, the base 11 and the back panel 12 are integrally formed. The optoelectronic module 2 is disposed on the base 11. The optoelectronic module 2 includes a diffuser 222. The diffuser 222 has diffuser end caps 22210 disposed at both ends. The diffuser end caps 22210 secure the diffuser 222 to the base 11 and form a sealed space with the base 11. The diffuser end caps 22210 are disposed on the diffuser end caps 22210 for sensing external environmental information and transmitting the environmental information to the power supply 3 (as shown in FIG83). The power supply 3 can control the light output of the LED lighting fixture based on the information transmitted by the sensing device 6. The LED lighting fixture also includes an outer frame 4, which is disposed on the side walls 13 and the back panel 12 to further secure the side walls 13 and the back panel 12. The power module 3 is mounted on the back of the back panel 12. The power module 3 includes a power box 35 and a junction box 37. The power box 35 and junction box 37 are integrally formed and arranged perpendicular to each other, i.e., on adjacent edges of the LED lighting fixture. In one embodiment of the present application, the junction box 37 is fixed to the back of the back panel 12 and conforms to the curved surface of the back panel 12. The power box 35 is further connected to the side wall 12. The power box 35 is provided with a color temperature adjustment switch 351 and a light intensity adjustment switch 352, which enable the LED lighting fixture to achieve different color temperatures and light intensities under the control of the color temperature adjustment switch 351 and the light intensity adjustment switch 352.

[0369] In one embodiment of the present application, an integrally formed bottom plate mounting portion 1111 is provided on the base 11 . The bottom plate mounting portion 111 is implemented as a trapezoidal protrusion into the accommodating space formed by the base 11 , the back plate 12 and the side wall 13 .

[0370] FIG84 is an exploded view of an LED lighting fixture according to an embodiment of the present application. As shown, the optoelectronic module 2 further includes a light-emitting unit 21, which is mounted on the base 11's trapezoidal raised bottom mounting portion 1111 and extends along the length of the bottom mounting portion 1111. A diffuser 222 is positioned in the direction of light emission from the light-emitting unit 21 and completely covers the unit.

[0371] Referring to FIG85 , which is an enlarged view of point F in FIG84 , as shown, the light-emitting unit 21 includes a first light-emitting assembly 211 and a second light-emitting assembly 212. The first light-emitting assembly 211 is substantially parallel to the base plate 111 and includes a first circuit board 2111 and at least one first light-emitting element 2112 disposed on the first circuit board 2111. The first light-emitting elements 2112 are evenly distributed on the first circuit board 2111.

[0372] The second light-emitting assembly 212 includes a second circuit board 2121 and at least one second light-emitting body 2122 disposed on the second circuit board 2121 . The second light-emitting bodies 2122 are evenly distributed on the second circuit board 2121 .

[0373] The second light-emitting component 212 and the first light-emitting component 211 are arranged at an angle to each other, wherein the angle between the surface of the second light-emitting body 2122 arranged in the second light-emitting component 212 and the base plate 111 is greater than or equal to 90 degrees, so that the light emitted by the second light-emitting body 2122 is easier to be emitted from the LED lighting fixture.

[0374] Refer to Figure 86, which is an enlarged view of point G in Figure 84. As shown in the figure, the trapezoidal protrusion of the base plate mounting portion 1111 has a top surface 11111 parallel to the base plate 111 and two side surfaces 11112 inclined relative to the base plate 111, wherein the first light-emitting component 211 is arranged on the top surface 11111 and is in contact with it, and the second light-emitting component 212 is arranged on the side surface 11112 and is in contact with it, that is, the top surface 11111 and the side surface 11112 are inclined to each other, so that the first light-emitting component 211 arranged on the top surface 11111 and the second light-emitting component 212 arranged on the side surface 11112 are inclined to each other, so that the light-emitting unit 21 has light output in at least two directions.

[0375] At least a portion of the light emitted by the first light emitting component 211 is directly emitted from the diffuser 222 , and at least a portion of the light emitted from the diffuser 222 is projected onto the back plate 12 , and then reflected by the back plate 12 and emitted from the LED lighting fixture.

[0376] At least a portion of the light emitted by the second light emitting assembly 212 is directly emitted from the diffuser 222 , and at least a portion of the light emitted from the diffuser 222 is projected onto the back plate 12 and then reflected by the back plate 12 before exiting the LED lighting fixture.

[0377] In some embodiments, all the light emitted by the first light-emitting component 211 is directly emitted from the diffuser 222 .

[0378] See Figure 87, which shows a schematic diagram of an embodiment of the present application after the diffuser is removed. As shown, the shortest distance from the light-emitting element 21 to the long side of the diffuser 222 is La, and the vertical distance from the long side of the diffuser 222 to the edge of the backplate 12 is Lb, where 0.5 ≤ Lb / La ≤ 2, and further, 1 ≤ Lb / La ≤ 1.5. In this application, the height of the LED lighting fixture is set to Lc, or the distance from the base plate 111 to the highest point of the backplate 12 is Lc, and 1 ≤ La / Lc ≤ 2, and 1 ≤ La / Lc ≤ 6.

[0379] It should be noted that the various technical features of the above-mentioned embodiments can be combined arbitrarily. In order to make the description concise, not all possible combinations of the various technical features in the above-mentioned embodiments are described. However, as long as there is no contradiction in the combination of these technical features, they should be considered to be within the scope of this specification.

[0380] In summary, on the one hand, the LED lighting fixture disclosed in the present application has a second light-emitting component obliquely arranged around the first light-emitting component, so that the light emitted by the second light-emitting component is directed to the surrounding area of ​​the first light-emitting component, thereby forming a highly uniform light distribution pattern with the light emitted by the first light-emitting component; and further, a beam control component for changing the light emission path is provided on the light-emitting side of the second light-emitting component, so as to change the light originally directed to the area directly below the first light-emitting component to be directed to the surrounding area of ​​the first light-emitting component, thereby making the light emitted by the second light-emitting component mainly distributed in the surrounding area of ​​the first light-emitting component, and forming a bat wing light pattern or a near bat wing light pattern with the light emitted by the first light-emitting component, thereby further improving the uniformity of the light emission of the lamp. On the other hand, the LED lighting fixture disclosed in the present application is provided with a third light-emitting component with the center line of the light beam facing the supporting unit of the LED lighting fixture, thereby being able to illuminate the area on the supporting unit that is not illuminated by the first light-emitting component, thereby increasing the light uniformity on the surface of the supporting unit and avoiding the occurrence of dark areas.

[0381] The above embodiments are merely illustrative of the principles and effects of this application and are not intended to limit this application. Anyone skilled in the art may modify or alter the above embodiments without departing from the spirit and scope of this application. Therefore, all equivalent modifications or alterations made by one of ordinary skill in the art without departing from the spirit and technical concepts disclosed in this application shall be covered by the claims of this application.

Claims

1. An LED lighting fixture, characterized in that: include: The supporting unit comprises a base and a back plate, wherein the back plate is arranged around the base and forms a receiving space with the base; as well as The photoelectric module is connected to the supporting unit, and the photoelectric module includes: A light-emitting unit, the light-emitting unit comprising at least two of a first light-emitting component, a second light-emitting component, and a third light-emitting component, wherein the at least two light-emitting components have at least two light-emitting angles; A light processing unit, the light processing unit is arranged on the light emitting path of the light emitting unit; The first light-emitting component is disposed on the base; and The third light-emitting component is disposed in the accommodating space, and its light emitting direction is toward the supporting unit.

2. The LED lighting fixture according to claim 1, characterized in that: The supporting unit further comprises a supporting structure, wherein the supporting structure is vertically arranged on the base, and the third light-emitting component is configured on the supporting structure.

3. The LED lighting fixture according to claim 2, characterized in that: The support structure is configured as a support plate, the support plate is vertically fixed on the base, and the support structure includes a first mounting surface and a second mounting surface.

4. The LED lighting fixture according to claim 1, characterized in that: The third light emitting unit emits light toward the back panel.

5. The LED lighting fixture according to claim 1, characterized in that: The center line of the light beam of the first light-emitting component is perpendicular to the base.

6. The LED lighting fixture according to any one of claims 1 or 5, characterized in that: The center line of the light beam of the third light-emitting component and the center line of the light beam of the first light-emitting component have an included angle.

7. The LED lighting fixture according to claim 6, characterized in that: The center line of the light beam of the third light-emitting component is perpendicular to the center line of the light beam of the first light-emitting component.

8. The LED lighting fixture according to claim 1, characterized in that: The first mounting surface and the second mounting surface are two opposite surfaces of the support structure, and at least one group of the third light-emitting components is arranged on the first mounting surface, and at least one group is arranged on the second mounting surface.

9. The LED lighting fixture according to claim 1, characterized in that: The light processing unit comprises a diffuser and a light shielding component, and the diffuser is fixedly connected to the light shielding component.

10. The LED lighting fixture according to claim 9, characterized in that: The shading assembly includes a shading portion and a frame portion, and the shading portion and the frame portion can be configured as an integrally formed metal frame structure.

11. An LED lighting fixture, characterized in that: include: A supporting unit, the supporting unit comprising a base and a back plate arranged around the base; and an optoelectronic module connected to the supporting unit, the optoelectronic module comprising a first light-emitting component and a second light-emitting component disposed on the base, the second light-emitting component being located at a peripheral side of the first light-emitting component and being tilted relative to the first light-emitting component so that light emitted by the second light-emitting component is distributed in a peripheral area of ​​the first light-emitting component; The light processing unit includes a diffuser, and the diffuser includes a first diffuser and a second diffuser. The first diffuser is arranged in the light emitting direction of the first light emitting component, and the second diffuser is arranged in the light emitting direction of the second light emitting component.

12. The LED lighting fixture according to claim 11, characterized in that: The base includes a bottom surface and a first bottom surface side wall, the first bottom surface side wall has a first inclination angle relative to the bottom surface, the first light-emitting component is arranged on the bottom surface, and the second light-emitting component is arranged on the first bottom surface side wall.

13. The LED lighting fixture according to claim 12, characterized in that: The first inclination angle is set to 15 degrees to 45 degrees.

14. The LED lighting fixture according to claim 12, characterized in that: The first light-emitting components are arranged in at least two groups, and each group is arranged in parallel on the bottom surface.

15. The LED lighting fixture according to claim 12, characterized in that: The base further includes a second bottom side wall, which is connected to the first bottom side wall and has a second inclination angle relative to the first bottom side wall.

16. The LED lighting fixture according to claim 11, characterized in that: The first light-emitting assembly includes a first circuit board and a first light-emitting body arranged on the first circuit board; the second light-emitting assembly includes a second circuit board and a second light-emitting body arranged on the second circuit board.

17. The LED lighting fixture according to claim 11, characterized in that: The diffusion member is used to diffuse the light emitted by the first light-emitting component and / or the second light-emitting component.

18. The LED lighting fixture according to claim 16, characterized in that: The light processing unit includes a light beam control component, which is arranged on the light output side of the second light-emitting component and is used to change the path of at least part of the light emitted by the second light-emitting component, so that the light emitted by the second light-emitting component and projected onto the area directly below the first light-emitting component is changed to be projected onto the surrounding area of ​​the first light-emitting component.

19. The LED lighting fixture according to claim 18, characterized in that: The beam control assembly includes a sawtooth lens.

20. The LED lighting fixture according to claim 18, characterized in that: The beam control component includes a total internal reflection lens (Total Internal Reflection lens).

21. An LED lighting fixture, characterized in that: include: A supporting unit, comprising a base and a back plate, wherein the back plate is stacked on the base, and the height of the base is greater than the height of the back plate; as well as The photoelectric module is connected to the supporting unit, and the photoelectric module includes: A light source board, the light source board comprising a groove and an upper end surface symmetrically arranged relative to the groove, a first light-emitting component is arranged on the upper end surface, the first light-emitting component comprises a first circuit board and a first light-emitting body; a second light-emitting component is arranged on an outer side wall of the groove, the second light-emitting component comprises a second circuit board and a second light-emitting body; as well as A light processing unit at least partially covers the light emitting unit, and a micro-array optical structure is arranged on the surface of the light processing unit.

22. The LED lighting fixture according to claim 21, characterized in that: The upper end surface and the surface of the groove are perpendicular to each other.

23. The LED lighting fixture according to claim 22, characterized in that: The light emitting direction of the first light emitting component is different from the light emitting direction of the second light emitting component.

24. The LED lighting fixture according to claim 22, characterized in that: The supporting unit further comprises a back plate, which is arranged on the supporting unit and has a reflecting surface, and the reflecting surface is used for secondary distribution of the light emitted by the optoelectronic module.

25. The LED lighting fixture according to claim 24, characterized in that: The back plate has a protrusion, and a receiving cavity is formed between the protrusion and the base. A power module is arranged inside the protrusion and fixed on the base.

26. The LED lighting fixture according to claim 21, characterized in that: It also includes a sensing device, which senses the external environment state to adjust the light output of the lamp.

27. The LED lighting fixture according to claim 25, characterized in that: The power module includes a power circuit board and an energy storage battery arranged on the power circuit board; an emergency power module is also arranged on the power circuit board, and the emergency power module includes an emergency power supply and an energy storage battery arranged on the power circuit board, and the emergency power supply is electrically connected to the energy storage battery.

28. An LED lighting device, comprising: A supporting unit, the supporting unit comprising a base, a back plate and a side wall, the base comprising a bottom surface, the back plate being connected to the base, and the side wall, the base and the back plate being connected to form an accommodating space; as well as An optoelectronic module, wherein the optoelectronic module comprises a light-emitting unit and a light-processing unit, wherein the light-emitting unit comprises at least one first light-emitting component and at least one second light-emitting component, and the light-processing unit comprises a diffuser, wherein the diffuser is covered on the light-emitting unit; The bottom surface has a bottom plate mounting portion, the bottom plate mounting portion has a top surface arranged parallel to the bottom surface, and a side surface inclined relative to the bottom surface, the first light-emitting component is arranged on the top surface, and the second light-emitting component is arranged on the side surface; At least a portion of the light emitted by the second light emitting component is emitted from the diffuser and projected onto the back plate.

29. The LED lighting device according to claim 28, characterized in that: The optoelectronic module also includes a power module, which is arranged on the back of the supporting unit. The power module includes a power box and a junction box. The power box and the junction box are integrally formed, and the power box is perpendicular to the junction box.

30. The LED lighting device according to claim 29, characterized in that: Diffuser end covers are arranged at both ends of the diffuser, and the diffuser end covers, the diffuser and the bottom surface form a closed space.

31. The LED lighting device according to claim 30, characterized in that: A sensing device is arranged on the end cover of the diffuser.

32. The LED lighting device according to claim 28, characterized in that: The shortest distance from the light emitting unit to the long side of the diffuser is La, and the vertical distance from the long side of the diffuser to the edge of the back plate is Lb, wherein 0.5≤Lb / La≤2.

33. The LED lighting device according to claim 32, characterized in that: Assuming the distance from the bottom surface to the highest point of the back plate to be Lc, then 1≤La / Lc≤2, 1≤La / Lc≤6.

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