Multi-primary-color LED reflection type lamp

Abstract

The embodiment of the invention provides a reflection type lamp of a multi-primary-color LED. The reflection type lamp comprises a multi-primary-color LED light source, a light source module and a light source module, the light-emitting surface cover plate is positioned at the bottom of the reflective lamp; the shell and the light-emitting surface cover plate form an accommodating space; the support is longitudinally arranged in the containing space along the shell and sequentially comprises an upper end portion, a vertical portion and a lower end portion, the upper end portion is connected with the middle of the shell, the vertical portion is used for installing the multi-primary-color LED light source, and the lower end portion at least comprises a first reflection structure; the reflective strip is symmetrically arranged in the containing space along the two sides of the support, a gap is formed between the reflective strip and the support, and the reflective strip at least comprises a second reflective structure and a third reflective structure; and the end cover is connected with the open end of the shell and is at least used for sealing the accommodating space. The reflection type lamp provided by the embodiment of the invention has high light efficiency and high light emitting quality.

Description

Technical Field

[0001] The present application relates to the field of lamps, and specifically, an embodiment of the present application relates to a reflective lamp with multi-primary color LEDs. Background Art

[0002] Light Emitting Diode (LED) has the advantages of high electro-optical conversion efficiency, environmental protection and energy saving, small size, and long life. Compared with the mainstream method of blue light LED stimulating phosphor to synthesize white light, the phosphor-free multi-primary color LED synthesizes white light by electroluminescence, does not require phosphor, has no conversion loss, has a fast electro-optical response, and does not have reliability issues such as LED light efficiency decline and color temperature drift due to phosphor aging.

[0003] At present, the mainstream lamps are direct-down lighting lamps. Because the multi-primary color LED light source is composed of chips of different colors, there will be color separation, and relative to the lamp, it is a high-brightness point light source. When it is used in direct-down lamps, it will cause poor color and brightness uniformity and severe glare. To improve the above problems, it is necessary to use complex secondary optical systems such as secondary light diffusion lenses, diffusion plates, and grilles. The use of secondary optical systems will increase costs, and the uniformity and glare problems have not been completely solved.

[0004] Reflective lamps are an indirect lighting method. The light is reflected by the optical reflective structure of the reflective lamp and then emitted, which can make the light fully mixed and have the advantage of soft light output. To a certain extent, it can achieve mixed light of multi-primary color LEDs. Therefore, multi-primary color LED reflective lamps have great potential and advantages. However, since the light source of the reflective lamp is set between the reflective structure and the light-emitting surface, dark areas often appear in the middle or on both sides of the light-emitting surface. In addition, traditional reflective lamps also have the problem that the lamp is thick and the light cannot be fully extracted. Summary of the invention

[0005] The purpose of the embodiments of the present application is to provide a reflective lamp of multi-primary color LED, which allows part of the emitted light to be emitted from the middle area of ​​the reflective lamp and allows more light emitted from the reflective lamp to reach the light-emitting surface after at least one reflection. Therefore, the embodiment of the present application can effectively improve the problem of the middle dark area of ​​the reflective lamp on the one hand, and effectively achieve low glare and high color uniformity on the other hand.

[0006] In a first aspect, an embodiment of the present application provides a reflective lamp of a multi-primary color LED, the reflective lamp comprising: a multi-primary color LED light source; a light-emitting surface cover plate, located at the bottom of the reflective lamp; a shell, forming a storage space with the light-emitting surface cover plate, and used to reflect light incident on the inner wall of the shell; a bracket, arranged in the storage space along the longitudinal direction of the shell, and comprising an upper end, a vertical portion and a lower end in sequence, wherein the upper end is connected to the shell, the vertical portion is at least used to install the multi-primary color LED light source, and the lower end comprises at least a first reflection structure, and the first reflection structure is at least used to reflect incident light; a reflective strip, symmetrically arranged in the storage space along both sides of the bracket and with a gap between the reflective strip and the bracket, wherein the reflective strip is at least used to reflect incident light, and the gap is used to guide at least part of the light reflected by the reflective strip to the middle of the light-emitting surface cover plate; and an end cover, connected to the open end of the shell, and at least used to close the storage space.

[0007] The embodiment of the present application guides the light to the light-emitting surface cover plate by setting up reflective strips, thereby effectively improving the dark area in the middle of the light-emitting surface and effectively improving the illumination uniformity of the light-emitting surface.

[0008] In some embodiments of the present application, the upper end portion is in an inverted triangle shape and the inverted triangle shape coincides with the connecting portion of the outer shell, the surface of the vertical portion is provided with a light source circuit board and the multi-primary color LED light source is provided on the light source circuit board, the lower end portion has a trapezoidal cross-section with an upper base longer than a lower base and the upper base forms the first reflective structure along the longitudinal direction of the accommodating space; wherein, a reflective layer complementary to the multi-primary color LED light source is provided on the surface of the light source circuit board to form a seventh reflective structure, and at least a portion of the surface of the vertical portion except the light source circuit board is provided with a reflective layer to form a sixth reflective structure.

[0009] In some embodiments, the reflective strip includes a third reflective structure, the upper edge of the third reflective structure is higher than the lowest point of the first reflective structure and lower than the center point of the multi-primary color LED light source in the vertical direction, and the minimum distance H of the third reflective structure from the surface of the vertical part in the width direction is greater than the maximum distance h from the outer edge of the first reflective structure to the surface of the vertical part.

[0010] The embodiments of the present application can guide light to the dark area in the middle of the light-emitting surface cover plate through the gap formed by the distance difference, thereby effectively improving the middle dark area defect existing in the reflective lamp.

[0011] In some embodiments, the reflective strip also includes a second reflective structure, which is used to direct incident light to a fourth reflective structure corresponding to the inner wall of the outer shell; wherein the second reflective structure is higher than the first reflective structure and lower than the center point of the multi-primary color LED light source in the vertical direction.

[0012] The embodiments of the present application improve the light output quality by providing multiple reflective structures on the reflective strips.

[0013] In some embodiments, the cross-section of the reflective strip is a triangle, and the third reflective structure corresponds to the hypotenuse of the triangle and the third reflective structure is arranged toward the light emitting direction of the multi-primary color LED light source, and the surface corresponding to one side of the triangle serves as the second reflective structure.

[0014] Some embodiments of the present application, through the unique structure of the reflective strip, can, on the one hand, guide at least part of the light (through the third reflective structure) to the middle of the light-emitting surface cover plate to improve the dark area in the middle of the lamp; on the other hand, can reflect part of the light to the inner wall of the outer shell (through the second reflective structure) to reach the light-emitting surface cover plate, so that all light emitted by the LED light source is emitted from the light-emitting surface cover plate after at least one reflection, thereby making the reflective lamp using the embodiments of the present application have high light output quality and high light efficiency.

[0015] In some embodiments, the first reflective structure is a curved surface or a flat surface, the angle between the first reflective structure and the surface corresponding to the vertical portion is a right angle or an obtuse angle, and the first reflective structure is used to direct part of the light emitted by the multi-primary color LED light source to the third reflective structure and the fourth reflective structure.

[0016] In the embodiment of the present application, the first reflective structure is set to reflect the light to the other two reflective structures before reaching the light emitting surface cover plate, so that as much light as possible does not directly come from the light emitting surface cover plate to achieve high light efficiency and effectively improve the glare effect.

[0017] In some embodiments, the number of the end caps is 2, a fifth reflective structure is disposed on the inner surface of the end cap, the fifth reflective structure is a free-form surface, and the fifth reflective structure is smoothly connected to the fourth reflective structure.

[0018] Some embodiments of the present application form a closed space by providing two end covers to improve the light output quality.

[0019] In some embodiments, surfaces corresponding to the first reflective structure, the second reflective structure, the third reflective structure, the fourth reflective structure, the vertical portion, and the fifth reflective structure are all provided with a high-reflectivity reflective layer, and the high-reflectivity reflective layer is a high-reflectivity coating or a high-reflectivity reflective paper layer.

[0020] Some embodiments of the present application achieve efficient light reflection by using high-reflectivity materials disposed on the surface.

[0021] In some embodiments, the multi-primary color LED light source does not contain phosphor, wherein each multi-primary color LED light source contains one or more LED chips, and the multi-primary color LED light source contains at least two LED chips with different wavelengths; the multi-primary color LED light source includes an LED chip, a solid crystal layer, a substrate, a gold wire and a primary optical lens, the LED chip is connected to the substrate through the solid crystal layer, and the LED chip is electrically conductive with the substrate through the gold wire; the primary optical lens seals the corresponding LED chip on the substrate; the primary optical lens is free A curved surface lens, wherein the free-form surface lens can realize polarized light with a polarization angle in the range of 5° to 45°, and the direction of the maximum light intensity after being emitted through the free-form surface lens on the length direction cross section points to 0.3 to 0.5 times the width of the fourth reflective structure, and the maximum distance A between the center of the multi-primary color LED light source and the first reflective structure is: 0.6 to 2 times the substrate size; a high-reflectivity reflective adhesive layer is provided on the surface of the substrate in a complementary area with the corresponding LED chip, and the thickness of the high-reflectivity reflective adhesive layer is less than or equal to the sum of the thickness of the corresponding LED chip and the thickness of the solid crystal layer.

[0022] In some embodiments, the vertical portion is provided with two light source circuit boards, which are parallel to and perpendicular to the light emitting surface cover plate; wherein, conductive connection points and circuits of each LED chip included in the multi-primary color LED light source are made on the light source circuit board, and the multi-primary color LED light sources are distributed in an evenly spaced arrangement on the light source circuit board, and different multi-primary color LED light sources are connected through a series-parallel combination, and wiring terminals are made at both ends of the light source circuit board, and the circuit on the light source circuit board is connected to the wire through the wiring terminals, and a heat conduction material is provided between the light source circuit board and the bracket.

[0023] In some embodiments, if a vector perpendicular to the light emitting surface cover and pointing to the interior of the lamp body is defined For the light emitted by the multi-primary color LED light source, the light vector after being reflected by the first reflection structure for the first time is The light vector after the first reflection from the second reflection structure is The light vector after the first reflection from the third reflection structure is The light vector after the first fourth reflection structure is The light vector after the first reflection from the fifth reflection structure is Then there is The light emitting surface cover plate includes a transparent plate or a diffusion plate, wherein a microcrystalline plate or an anti-glare film may be further provided on the surface of the transparent plate or the diffusion plate.

[0024] Some embodiments of the present application improve light output quality and light efficiency by providing multiple reflective structures.

[0025] Compared with the prior art, the present invention has the following beneficial effects:

[0026] 1. The reflective strip structure proposed in the present invention solves the dark area problem caused when the light source of the reflective lamp is located in the middle of the lamp by making part of the light emitted by the light source be directly emitted from the middle of the lamp (i.e., emitted from the light emitting surface cover) after 1 to 2 reflections, thereby improving the illumination uniformity of the multi-primary color LED reflective lamp.

[0027] 2. The eccentric free-form surface lens combined with the reflection system proposed in the present invention realizes high light extraction efficiency of the multi-primary color LED reflective lamp and reduces the height dimension, thereby realizing a multi-primary color LED reflective lamp with a compact structure and smaller volume.

[0028] 3. All light emitted by polarized LED light sources of different wavelengths is emitted from the light-emitting surface after at least one reflection, which reduces the glare value of the lamp. At the same time, it solves the spatial color separation problem caused by the use of multi-primary color LED light sources and achieves high spatial color uniformity of the light emitted by multi-primary color LED reflective lamps.

[0029] 4. The present invention can achieve spectrum adjustment and on-demand lighting through the multi-primary color LED light source and lamp structure design, and take into account the lighting requirements of high light extraction, high brightness uniformity, high color uniformity and low glare. BRIEF DESCRIPTION OF THE DRAWINGS

[0030] In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings required for use in the embodiments of the present application will be briefly introduced below. It should be understood that the following drawings only show certain embodiments of the present application and therefore should not be regarded as limiting the scope. For ordinary technicians in this field, other related drawings can be obtained based on these drawings without paying creative work.

[0031] Figure 1 A schematic diagram of the internal structure of a reflective lamp of a multi-primary color LED provided in an embodiment of the present application;

[0032] Figure 2 One of the cross-sectional views of the reflective lamp of the multi-primary color LED provided in the embodiment of the present application;

[0033] Figure 3 This is one of the five light coverage diagrams provided in the embodiment of the present application;

[0034] Figure 4 The reflective strip provided in the embodiment of the present application includes a reflective structure and a schematic diagram of a light path;

[0035] Figure 5 A schematic diagram of a reflection light path of a fourth reflective structure provided in an embodiment of the present application;

[0036] Figure 6 One of the fifth reflection structure schematic diagrams provided in the embodiment of the present application;

[0037] Figure 7 The second schematic diagram of the fifth reflection structure provided in the embodiment of the present application;

[0038] Figure 8 The second schematic diagram of the five-part light coverage range provided in the embodiment of the present application;

[0039] Fig. 9 A schematic diagram of the LED light source structure provided in an embodiment of the present application;

[0040] Fig.10 A schematic diagram of an eccentric free-form surface lens provided in an embodiment of the present application;

[0041] Fig.11 This is one of the schematic diagrams of the distribution of the chips provided in the embodiment of the present application in the multi-primary color LED light source;

[0042] Fig.12 A schematic diagram of a first reflection structure provided in an embodiment of the present application;

[0043] Fig.13 A schematic diagram of the reflected light path of a portion of light on a partial reflective structure provided in an embodiment of the present application;

[0044] Fig.14 A schematic diagram of the working principle of the fifth reflective structure provided in an embodiment of the present application;

[0045] Fig.15 The second schematic diagram of the distribution of the chips in the multi-primary color LED light source provided in the embodiment of the present application;

[0046] Fig.16 The second schematic diagram of the distribution of the chips in the multi-primary color LED light source provided in the embodiment of the present application. DETAILED DESCRIPTION

[0047] The technical solutions in the embodiments of the present application will be described below in conjunction with the drawings in the embodiments of the present application.

[0048] It should be noted that similar reference numerals and letters represent similar items in the following drawings, so once an item is defined in one drawing, it does not need to be further defined and explained in subsequent drawings. At the same time, in the description of this application, the terms "first", "second", etc. are only used to distinguish the description and cannot be understood as indicating or implying relative importance.

[0049] At least in order to solve the problem of dark areas in the middle of reflective lamps or improve the glare of reflective lamps, the embodiments of the present application provide a reflective lamp with multi-primary color LEDs, which adopts phosphor-free multi-primary color LEDs as light sources. Through the joint action of an LED light source including an eccentric free-form surface lens and a reflection system (the reflection system includes multiple reflection structures), it can achieve spectral adjustable and on-demand lighting, and take into account high light extraction, high brightness uniformity, high color uniformity, and meet low glare lighting requirements, so as to solve the problems of poor color and brightness uniformity of LED lamps and thick thickness of the prior art.

[0050] For example, some embodiments of the present application provide a reflective lamp of a multi-primary color LED, the reflective lamp comprising: a multi-primary color LED light source; a light-emitting surface cover plate, located at the bottom of the reflective lamp; a shell, forming a receiving space with the light-emitting surface cover plate, and used to reflect light incident on the inner wall of the shell; a bracket, comprising an upper end, a vertical portion and a lower end in sequence, wherein the upper end is connected to the shell, the vertical portion is at least used to install the multi-primary color LED light source, and the lower end comprises at least a first reflecting structure, and the first reflecting structure is at least used to reflect incident light; a reflective strip, symmetrically arranged in the receiving space along both sides of the bracket and with a gap between the reflective strip and the bracket, wherein the reflective strip is at least used to reflect incident light, and the gap is used to guide the light reflected by the reflective strip to the light-emitting surface cover plate; and an end cover, connected to the open end of the shell, and at least used to close the receiving space.

[0051] Please see Figure 1 , Figure 1 A reflective lamp of a multi-primary-color LED provided in some embodiments of the present application comprises: a multi-primary-color LED light source 1, a bracket 3, a reflective strip 4, a housing 5, an end cap 6 and a light-emitting surface cover plate 7.

[0052] like Figure 1 As shown, the light-emitting surface cover plate of the embodiment of the present application is located at the bottom of the reflective lamp. The housing 5 is a groove structure with a mounting groove in the middle, and the housing 5 and the light-emitting surface cover plate 7 form a receiving space, and the inner surface of the housing 5 is also used to reflect the light incident on the inner wall of the housing (corresponding to the fourth reflective structure). The bracket 3 is arranged in the receiving space along the longitudinal direction of the housing 5. Figure 2As shown, the bracket 3 includes an upper end 210, a vertical portion 220 and a lower end 230 in sequence, wherein the upper end 210 is connected to the housing 5, the vertical portion 220 is at least used to install the multi-primary color LED light source 1, and the lower end 230 includes at least a first reflective structure 301, and the first reflective structure 301 is at least used to reflect incident light. In some embodiments of the present application, light from a first direction can be reflected by the first reflective structure 301, for example, the first direction is downward light emitted by the multi-primary color LED light source 1. The reflective strip 4 is symmetrically arranged in the accommodating space along both sides of the bracket 3, and there is a gap between the reflective strip 4 and the bracket 3 (such as Figure 2 The dashed line with an arrow in the middle shows a gap 410), wherein the reflective strip is at least used to reflect incident light, and the gap is used to guide at least part of the light reflected by the reflective strip (i.e., the light reflected by the third reflective structure included in the reflective strip) to the light-emitting surface cover plate. For example, in some embodiments of the present application, the reflective strip 4 is at least used to reflect the light emitted in the second direction by the multi-primary color LED light source 1, and the gap is used to guide the reflected light in the second direction to the light-emitting surface cover plate 7 (such as Figure 7 The end cover 6 is connected to the open end of the housing 5 and is at least used to close the accommodating space.

[0053] It should be noted that the embodiment of the present application significantly improves the middle dark area of ​​the reflective lamp by introducing the reflective strip and also improves the illumination uniformity of the lamp. For example, by making a comparison of the illumination cloud map before and after the introduction of the reflective strip, it is found that after the introduction of the reflective strip, the middle dark area of ​​the lamp is well eliminated, thereby improving the illumination uniformity of the lamp.

[0054] In some embodiments of the present application, Figure 2 As shown, the upper end portion 210 is in an inverted triangle shape and the inverted triangle shape matches the connection portion of the housing 5, and the surface of the vertical portion 220 is provided with a light source circuit board 2 and the multi-primary color LED light source (for example, Figure 1 The multi-primary color LED light source 1 shown is arranged on the light source circuit board 2, the lower end portion 230 has a trapezoidal cross-section with an upper base longer than a lower base and the upper base forms the first reflective structure 301 along the longitudinal direction of the accommodating space, wherein a reflective layer complementary to the multi-primary color LED light source is provided on the surface of the light source circuit board 2 to form a seventh reflective structure (not shown in the figure), and at least part of the surface of the vertical portion except the light source circuit board (for example, the remaining surface of the vertical portion except the surface where the light source circuit board is provided) is provided with a reflective layer to form a sixth reflective structure (not shown in the figure).

[0055] In some embodiments of the present application, the multi-primary color LED light source 1 is fixed on a light source circuit board 2 arranged on the vertical part of the bracket 3 (the light source circuit board is installed on the outer surface of the vertical part of the bracket 3), the circuit of the multi-primary color LED light source 1 is connected to the circuit on the light source circuit board 2 through a welding layer, the circuit on the light source circuit board 2 is connected to the power module 8 through wires, the power module 8 is connected to the control module 9 through wires, the control module 9 realizes the regulation of brightness and color temperature, the light emitting surface cover plate 7, the bracket 3, and the end cover 6 are fixed to the outer shell 5 by mechanical connection, the reflective strip 4 is fixed to the end cover 6 by mechanical connection, Figure 1 As an example, the housing 5, the end cover 6, the reflective strip 4 and the light-emitting surface cover 7 form a closed space, and in the longitudinal direction (or longitudinal) section, the ratio of the width to the height of the lamp is between 3 and 4.

[0056] In some embodiments of the present application, the bracket 3, the reflective strip 4, the shell 5, and the end cover 6 include first, second, third, fourth, fifth, sixth and seventh reflective structures, and the first, second, third, fourth, fifth, sixth to seventh reflective structures constitute a reflective system, and all light emitted by the several LED light sources of different wavelengths is reflected at least once by the reflective system and then emitted from the light-emitting surface cover plate.

[0057] For example, in some embodiments of the present application, the first direction light is the light directed to the first reflection structure, the second direction light is the light directed to the second reflection structure, the third direction light is the light directed to the third reflection structure, the fourth direction light is the light directed to the fourth and fifth reflection structures, the fifth direction light is the light directed to the sixth reflection structure and the seventh reflection structure, and the first to fifth direction light covers all directions of light emitted by the multi-primary color LED. The first reflection structure is used to reflect the light in the first direction to the fourth reflection structure and the third reflection structure, the second reflection structure is used to reflect the light in the second direction to the fourth reflection structure and the fifth reflection structure, the third reflection structure is used to reflect the light in the third direction to the light-emitting surface cover plate, and the fourth reflection structure and the fifth reflection structure are used to reflect the light in the fourth direction to the light-emitting surface cover plate.

[0058] It should be noted that, in some embodiments of the present application, the structural schematic diagrams of the first direction, the second direction, the third direction, the fourth direction and the fifth direction are as follows: Figure 3In this figure, all the light rays emitted by the light source 1 are used as an example to illustrate the spatial range occupied by light rays in various directions, wherein the light rays in the first direction are the light rays emitted by the light source to the first reflection area, the light rays in the second direction are the light rays emitted by the light source to the second reflection area, the light rays in the third direction are the light rays emitted by the light source to the gap between the first reflection area and the third reflection area, the light rays in the fourth direction are the light rays emitted by the light source to the fourth reflection area and the fifth reflection area, and the light rays in the fifth direction are emitted by the light source to the sixth reflection structure and the seventh reflection structure.

[0059] That is to say, Figure 1 and Figure 2 As shown, some embodiments of the present application provide a reflective lamp with a multi-primary color LED. Figure 1 This is a structural schematic diagram and a longitudinal cross-sectional schematic diagram of a reflective lamp of some embodiments of the present application, wherein the reflective lamp includes a multi-primary color LED light source 1, a light source circuit board 2, a bracket 3, a reflective strip 4, a housing 5, an end cover 6, a light emitting surface cover 7, a power module 8, and a control module 9. The multi-primary color LED light source 1 is fixed on a light source circuit board 2 provided on a vertical portion of the bracket 3, the light source circuit board 2 is installed on both sides of the bracket, the circuit of the multi-primary color LED light source 1 is connected to the circuit on the light source circuit board 2 through a welding layer, the circuit on the light source circuit board 2 is connected to the power module 8 through wires, the power module 8 is connected to the control module 9 through wires, and the control module 9 realizes different brightness and color temperatures In this case, the required control signal of the multi-primary color LED light source 1 is given to the power module 8. After receiving the signal output by the control module 9, the power module 8 outputs the corresponding driving current through the circuit on the light source circuit board 2 to the multi-primary color LED light source 1, so that the multi-primary color LED light source 1 emits light of corresponding brightness and color temperature, the light-emitting surface cover plate 7, the bracket 3, and the end cover 6 are fixed to the outer shell 5 by mechanical connection, and the reflective strip 4 is fixed to the end cover 6 by mechanical connection. The outer shell 5, the end cover 6, the reflective strip 4 and the light-emitting surface cover plate 7 form a closed space, and in the longitudinal cross-section, for example, in some embodiments of the present application, the width of the lamp is 300 mm and the height is 105 mm.

[0060] For example, in some embodiments of the present application, Figure 2As shown, the number of the light source circuit boards is 2, the two light source circuit boards are parallel to the lamp bead mounting surface (i.e., the surface of the vertical part) and perpendicular to the light emitting surface cover plate, conductive connection points and circuits corresponding to the LED chips in the multi-primary color LED light source are made on the light source circuit board, and a number of multi-primary color LED light sources are arranged in an equal spacing (or unequal spacing) manner on the light source circuit board, and different multi-primary color LED light sources are connected through a series-parallel combination, and wiring terminals are made at both ends of the light source circuit board, and the circuit on the light source circuit board is connected to the wire through the wiring terminals, and a heat conduction material is provided between the light source circuit board and the bracket, and the heat conduction material is a thermally conductive double-sided adhesive, thermally conductive silicone grease or thermally conductive silica gel.

[0061] For example, in some embodiments of the present application, Figure 2 As shown, the number of the reflective strips 4 is 2, and the two reflective strips are symmetrically distributed on both sides of the bracket 3. The reflective strip is provided with a second reflective structure and a third reflective structure, the second reflective structure guides part of the light emitted by the LED light source to the fourth reflective structure, and the third reflective structure guides part of the light emitted by the LED light source to the central area of ​​the light-emitting surface cover plate, and the longitudinal cross-section of the reflective strip is a closed figure composed of curves or straight lines, and the highest point of the third reflective structure is higher than the lowest point of the first reflective structure in the vertical direction (for example, in some embodiments of the present application, if the first reflective structure If the first reflecting surface is a plane, the upper edge of the third reflecting structure is higher than the plane in the vertical direction; if the first reflecting surface is a curved surface, the upper edge of the third reflecting structure is higher than the lowest point of the curved surface in the vertical direction) and lower than the center point of the multi-primary color LED light source, in the width direction, the minimum distance H between the third reflecting structure and the light bar mounting surface of the bracket (that is, the surface of the vertical part) is greater than the maximum distance h between the first reflecting structure and the light bar mounting surface of the bracket (that is, the surface of the vertical part), and a high-reflectivity reflective layer is provided on the surface of the reflective strip, and the high-reflectivity reflective layer is a high-reflectivity coating or a high-reflectivity reflective paper layer.

[0062] For example, in some embodiments of the present application, the inner surface of the housing is a fourth reflective structure 501 (eg Figure 2 As shown), the length direction cross section of the fourth reflective structure is a free curve, the width direction cross section of the fourth reflective structure is formed by smoothly connecting the free curve and the straight line, and a high reflectivity reflective layer is provided on the surface, and the high reflectivity reflective layer is a high reflectivity coating or a high reflectivity reflective paper layer.

[0063] For example, in some embodiments of the present application, the vertical portion includes two light source circuit boards, which are parallel to and perpendicular to the light emitting surface cover plate; wherein, conductive connection points and circuits of each LED chip included in the multi-primary color LED light source are made on the light source circuit board, and the multi-primary color LED light sources are distributed on the light source circuit board in an evenly spaced arrangement, and different multi-primary color LED light sources are connected through a series-parallel combination, and wiring terminals are made at both ends of the light source circuit board, and the circuit on the light source circuit board is connected to the wire through the wiring terminals, and a heat conduction material is provided between the light source circuit board and the bracket.

[0064] The following is an illustrative description of the relevant reflective structures included in the reflective systems of some embodiments of the present application in conjunction with the relevant drawings.

[0065] like Figure 2 As shown, the edge of the light bar mounting surface of the bracket 3 is provided with an upper end 210, a vertical portion 220 and a lower end 230. The upper end 210 is in an inverted triangle shape, which matches the corresponding mounting position of the housing 5. The surface of the vertical portion 220 is provided with a light source circuit board 2. The upper surface of the lower end 230 is a first reflective structure 301. The angle α between the tangent of the first reflective structure and the light bar mounting surface of the bracket 3 is a right angle or an obtuse angle. Figure 2 As shown, the first reflective structure 301 can guide part of the light emitted by the LED light source to the third reflective structure 402 and the fourth reflective structure 501, the surface of the bracket 3 is provided with a high-reflectivity reflective layer, the surface of the vertical portion of the bracket is a sixth reflective structure (not marked in the figure), the surface of the light source circuit board 2 is provided with a high-reflectivity reflective layer complementary to the multi-primary color LED light source 1, the high-reflectivity reflective layer is a high-reflectivity coating or a high-reflectivity reflective paper layer, the surface of the light source circuit board 2 is a seventh reflective structure (not marked in the figure), the sixth reflective structure and the seventh reflective structure can guide part of the light emitted by the LED light source to the fourth reflective structure 501 and the fifth reflective structure 601 (as shown in the figure). Fig.10 shown).

[0066] like Figure 4 The figure is a schematic diagram of the second reflective structure 401 and the third reflective structure 402. Figure 4The number of reflective strips 4 is 2, which are symmetrically distributed on both sides of the bracket. That is to say, the reflective strips of some embodiments of the present application include a second reflective structure 401 and a third reflective structure 402, wherein the second reflective structure 401 directs part of the light emitted by the LED light source 1 to the fourth reflective structure 501, and the third reflective structure 402 directs part of the light emitted by the LED light source 1 to the central area of ​​the light-emitting surface cover plate 7. In some embodiments of the present application, the longitudinal cross-section of the reflective strip 4 is a triangle, the highest point of the third reflective structure 402 is higher than the lowest point of the first reflective structure 301 in the vertical direction, and lower than the center point of the LED light source 1, and in the width direction, the minimum distance H between the third reflective structure 402 and the light bar mounting surface of the bracket 3 is greater than the maximum distance h between the first reflective structure 301 and the light bar mounting surface of the bracket 3, and the surface of the reflective strip 4 is provided with a high-reflectivity reflective layer, and the high-reflectivity reflective layer is a high-reflectivity coating or a high-reflectivity reflective paper layer.

[0067] For example, in some embodiments of the present application, Figure 4 The cross section of the reflective strip is a right triangle, and the third reflective structure 402 corresponds to the hypotenuse of the triangle and is arranged toward the light emitting direction of the multi-primary color LED light source 1. The surface corresponding to one right-angled side of the right triangle serves as the second reflective structure 401 parallel to the light emitting surface cover plate, and the surface corresponding to the other right-angled side of the triangle is parallel to the mounting plane included in the vertical portion. It is understandable that those skilled in the art can design different cross-sectional shapes.

[0068] For example, in some embodiments of the present application, Figure 4 As shown, from the cross section, the two symmetrically distributed reflective strips include a third reflective structure 402 whose extension line intersects above the reflective strip, and the upper edge of the third reflective structure 402 is higher than the lowest point of the first reflective structure 301 in the vertical direction ( Figure 7 Taking the reflective structure as a plane as an example, the low point is the plane) and is lower than the center point of the multi-primary color LED light source 1, the minimum distance H between the third reflective structure 402 and the surface of the vertical part in the width direction is greater than the maximum distance h between the outer edge of the first reflective structure 301 and the surface of the vertical part.

[0069] For example, in some embodiments of the present application, Figure 4 As shown, the reflective strip also includes a second reflective structure 401, which is used to guide part of the light emitted by the multi-primary color LED light source 1 to a fourth reflective structure corresponding to the inner wall of the shell; wherein the second reflective structure is higher than the first reflective structure 301 and lower than the center point of the multi-primary color LED light source 1 in the vertical direction.

[0070] It should be noted that, in some embodiments of the present application, the first reflective structure 301 is a curved surface or a flat surface, the angle between the first reflective structure 301 and the surface corresponding to the vertical portion is a right angle or an obtuse angle, and the first reflective structure 301 is used to guide part of the light emitted by the multi-primary color LED light source to the third reflective structure 402 and the fourth reflective structure 501 (such as Figure 2 That is to say, in some embodiments of the present application, the light bar mounting edge of the bracket (i.e., one end of the vertical portion) is provided with a first reflective structure (i.e., the lower end portion includes the first reflective structure), the surface of the first reflective structure is an arc surface or a plane, the angle α between the surface tangent and the light bar mounting surface of the bracket (i.e., the surface of the vertical portion) is a right angle or an obtuse angle, the first reflective structure guides part of the light emitted by the LED light source to the third reflective structure and the fourth reflective structure, the surface of the bracket is provided with a high reflectivity reflective layer, the surface of the light source circuit board is provided with a high reflectivity reflective layer complementary to the multi-primary color LED light source, and the high reflectivity reflective layer is a high reflectivity coating or a high reflectivity reflective paper layer.

[0071] like Figure 5 As shown, the figure is a schematic diagram of the fourth reflective structure 501, the inner surface of the shell 5 is the fourth reflective structure 501, the length direction cross-section of the fourth reflective structure 501 is a free curve, the width direction cross-section of the fourth reflective structure 501 is formed by smoothly connecting the free curve and the straight line, and a high-reflectivity reflective layer is provided on the surface, and the high-reflectivity reflective layer is a high-reflectivity coating or a high-reflectivity reflective paper layer.

[0072] like Figure 6 and Figure 7 As shown, these two drawings are used to provide a fifth reflective structure, the number of the end caps 6 is 2, the inner surface of the end caps is the fifth reflective structure 601, the inner surface of the fifth reflective structure 601 is a free-form surface, the fifth reflective structure 601 is smoothly connected to the fourth reflective structure 501 and a high-reflectivity reflective layer is provided on the surface, and the high-reflectivity reflective layer is a high-reflectivity coating or a high-reflectivity reflective paper layer.

[0073] like Figure 6 As shown, one of the fifth reflective structure schematic diagrams of an embodiment of the present application, the end cap 6 includes at least a plurality of holes 602, and the holes 602 are used to mechanically connect the end cap, the reflective strip, and the bracket. Another function of the holes 602 is to lead out the wires.

[0074] Figure 8A schematic diagram for illustrating the working principle of the reflection system of the embodiments of the present application. In some embodiments of the present application, the first direction light 001 is the light emitted to the first reflection structure, the second direction light 002 is the light emitted to the second reflection structure, the third direction light 003 is the light emitted to the third reflection structure, the fourth direction light 004 is the light emitted to the fourth 501 and the fifth reflection structure 601, the fifth direction light 005 is the light emitted to the sixth reflection structure and the seventh reflection structure. The first to fifth direction light covers the light emitted from the multi-primary color LED in all directions. The first reflection structure is used to reflect the first direction light 001 to the fourth reflection structure 501 and the third reflection structure 402, the second reflection structure 401 is used to reflect the second direction light 002 to the fourth 501 and the fifth reflection structure 601, the third reflection structure 402 is used to reflect the third direction light 003 to the light emitting surface cover plate, and the fourth reflection structure 501 and the fifth reflection structure 601 are used to reflect the fourth direction light 004 to the light emitting surface cover plate 7. In some embodiments of the present application, the light emitting surface cover plate 7 is a diffusion plate, and an anti-glare film is provided on the surface of the diffusion plate, which further improves the anti-glare performance of the lamp.

[0075] That is, in some embodiments of the present application, the number of the end caps is 2, and the inner surface of the end cap is provided with a fifth reflective structure (such as Figure 6 The fifth reflective structure 601 is a free-form surface, and the fifth reflective structure is smoothly connected to the fourth reflective structure (as shown in FIG. Figure 7 In some implementations of the present application, surfaces corresponding to the first reflective structure, the second reflective structure, the third reflective structure, the fourth reflective structure, the vertical portion, and the fifth reflective structure are all provided with a high-reflectivity reflective layer, and the high-reflectivity reflective layer is a high-reflectivity coating or a high-reflectivity reflective paper layer.

[0076] In some embodiments of the present application, the multi-primary color LED light source does not contain phosphor, wherein each multi-primary color LED light source contains one or more LED chips, and the multi-primary color LED light source contains at least two LED chips with different wavelengths; the multi-primary color LED light source includes an LED chip, a solid crystal layer, a substrate, a gold wire and a primary optical lens, the LED chip is connected to the substrate through the solid crystal layer, and the LED chip is electrically conductive with the substrate through the gold wire; the primary optical lens seals the corresponding LED chip on the substrate; the primary optical lens is an eccentric self- The curved lens, the eccentric free-form surface lens can realize polarized light with a polarization angle in the range of 5° to 45°, and the maximum light intensity direction after being emitted through the eccentric free-form surface lens on the length direction cross section points to 0.3 to 0.5 times the width of the fourth reflective structure, and the maximum distance A between the center of the multi-primary color LED light source and the first reflective structure is: 0.6 to 2 times the substrate size; the surface of the substrate is provided with a high-reflectivity reflective glue layer in a complementary area with the corresponding LED chip, and the thickness of the high-reflectivity reflective glue layer is less than or equal to the sum of the thickness of the corresponding LED chip and the thickness of the solid crystal layer.

[0077] Fig. 9 The schematic diagram of the structure of the multi-primary color LED light source provided in some embodiments of the present application. In the embodiments of the present application, the multi-primary color LED light source 1 does not contain phosphor. Fig. 9 The multi-primary color LED light source 1 includes four LED chips 101, a solid crystal layer 102, a substrate 103, a gold wire 104 and a primary optical lens 105, wherein the four LED chips 101 include a vertical structure red light chip R with a main wavelength of 630nm, a vertical structure green light chip G with a main wavelength of 530nm, a vertical structure blue light chip B with a main wavelength of 470nm, and a vertical structure yellow light chip Y with a main wavelength of 560nm. The four LED chips 101 are connected to the substrate 103 through the solid crystal layer 102, and the LED chip 101 is electrically conductive with the substrate 103 through the gold wire 104; the primary optical lens 105 seals the LED chip 101 on the substrate 103; the primary optical lens 105 is an eccentric free-form surface lens, and the eccentric free-form surface lens realizes polarized light output, and the polarization angle is 26° (such as Fig.10 As shown in Fig.10 As shown in the figure, this figure is a schematic diagram of polarization of an eccentric free-form surface lens provided in some embodiments of the present application. In the longitudinal cross section, the maximum light intensity direction points to 0.3 times the width of the fourth reflective structure (such as Fig.10As shown), the maximum distance A between the center of the LED light source and the first reflective structure is: 1.5 times the size of the substrate; on the surface of the substrate 103, a high-reflectivity reflective adhesive layer is provided in the area complementary to the chip, and the thickness of the reflective adhesive layer is less than or equal to the sum of the thickness of the LED chip 101 and the thickness of the solid crystal layer 102. It should be noted that in some embodiments of the present application, a Z-axis is established with a point 60 mm away from the light-emitting surface cover as the origin and the height direction as the positive direction. The LightTools software is used for simulation to study the optical performance change law of the lamp when the lamp bead is located at different positions. The results show that if the lamp bead is located at 17.5 cm, then the following can be obtained: Fig.11 The schematic diagram of polarization of the eccentric free-form surface lens shown in the figure shows that, on the longitudinal cross section, the direction of maximum light intensity points to 0.3 times the width of the fourth reflective structure, and the maximum distance A from the center of the LED light source to the first reflective structure is: 1.5 times the substrate size; on the surface of the substrate 103, a high-reflectivity reflective adhesive layer is provided in the area complementary to the chip, and the thickness of the reflective adhesive layer is less than or equal to the sum of the thickness of the LED chip 101 and the thickness of the solid crystal layer 102.

[0078] like Fig.11 As shown, in some embodiments of the present application, the patch angles of 80 multi-primary color LED light sources 1 on the light source circuit board 2 are not exactly the same. The LED chip 101 information is read clockwise. The LED chip 101 used by the multi-primary color LED light source 1 in the upper left corner is arranged BYGR, and its adjacent multi-primary color LED light sources 101 adopts GRBY arrangement, that is, the patch angles of adjacent multi-primary color light sources 1 on the light source circuit board 2 differ by 180 degrees, and so on. This ensures that the patch angles of the 80 multi-primary color LED light sources 1 on the light source circuit board 2 are not exactly the same, thereby improving the spatial color uniformity of the light output of the entire lamp.

[0079] like Fig.12 The optical path and structural diagram of the first reflective structure provided in some embodiments of the present application are shown in Fig.12 In the example, a first reflective structure 301 is provided at one end of the bracket 3, and the surface of the first reflective structure 301 is a plane, and the angle α between the tangent of the surface and the light bar mounting surface of the bracket 3 (i.e., the surface of the vertical part) is a right angle, and the first reflective structure 301 guides part of the light emitted by the LED light source to the fourth reflective structure 501, and a high-reflectivity reflective layer is provided on the surface of the bracket 3, and a high-reflectivity reflective layer complementary to the multi-primary color LED light source 1 is provided on the surface of the light source circuit board 2, and the high-reflectivity reflective layer is a high-reflectivity coating or a high-reflectivity reflective paper layer.

[0080] like Fig.13 and Fig.14 As shown, in some embodiments of the present application, if a vector perpendicular to the light emitting surface cover and pointing to the interior of the lamp is defined, For the light emitted by the multi-primary color LED light source, the light vector after being reflected by the first reflection structure for the first time is (For example, including Fig.13 of ), the light vector after the first reflection by the second reflection structure is (For example, including Fig.13 of ), the light vector after the first reflection by the third reflection structure is (For example, including Fig.13 of ), the light vector after the first fourth reflection structure is (For example, including Fig.13 of ), the light vector after the first reflection by the fifth reflection structure is (For example, including Fig.14 of ), then The light emitting surface cover plate includes a transparent plate or a diffusion plate, wherein a microcrystalline plate or an anti-glare film may be further provided on the surface of the transparent plate or the diffusion plate.

[0081] Different from the above example, Fig.15 As shown, the multi-primary color LED light source 1 provided in some embodiments of the present application includes a red LED light source and a yellow LED light source, the red LED light source includes a vertical structure red light chip R with a main wavelength of 630nm, the yellow LED light source includes a vertical structure yellow light chip Y with a main wavelength of 560nm, 40 red LED light sources and 40 yellow LED light sources are alternately arranged on the light source circuit board to ensure that the colors of adjacent multi-primary color LED light sources are different, thereby improving the spatial color uniformity of the light output of the entire lamp.

[0082] Different from the above-mentioned embodiments, in some embodiments of the present application, the structure of the reflective strip is as follows: Fig.16 As shown in the figure, the longitudinal cross section of the reflective strip 4 is a closed figure composed of curves and straight lines.

[0083] In several embodiments provided in the present application, it should be understood that the disclosed devices and methods can also be implemented in other ways. The device embodiments described above are merely schematic. For example, the flowcharts and block diagrams in the accompanying drawings show the possible architecture, functions and operations of the devices, methods and computer program products according to multiple embodiments of the present application. In this regard, each box in the flowchart or block diagram can represent a module, a program segment or a part of a code, and the module, a program segment or a part of a code contains one or more executable instructions for implementing the specified logical function. It should also be noted that in some alternative implementations, the functions marked in the box can also occur in a different order from the order marked in the accompanying drawings. For example, two consecutive boxes can actually be executed substantially in parallel, and they can sometimes be executed in the opposite order, depending on the functions involved. It should also be noted that each box in the block diagram and / or flowchart, and the combination of boxes in the block diagram and / or flowchart can be implemented with a dedicated hardware-based system that performs a specified function or action, or can be implemented with a combination of dedicated hardware and computer instructions.

[0084] In addition, the functional modules in the various embodiments of the present application may be integrated together to form an independent part, or each module may exist separately, or two or more modules may be integrated to form an independent part.

[0085] If the functions are implemented in the form of software function modules and sold or used as independent products, they can be stored in a computer-readable storage medium. Based on this understanding, the technical solution of the present application can be essentially or partly embodied in the form of a software product that contributes to the prior art. The computer software product is stored in a storage medium, including several instructions to enable a computer device (which can be a personal computer, a server, or a network device, etc.) to perform all or part of the steps of the methods described in each embodiment of the present application. The aforementioned storage medium includes: various media that can store program codes, such as a USB flash drive, a mobile hard disk, a read-only memory (ROM), a random access memory (RAM), a magnetic disk or an optical disk.

[0086] The above description is only an embodiment of the present application and is not intended to limit the scope of protection of the present application. For those skilled in the art, the present application may have various changes and variations. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present application should be included in the scope of protection of the present application. It should be noted that similar reference numerals and letters represent similar items in the following drawings, so once an item is defined in one drawing, it does not need to be further defined and explained in the subsequent drawings.

[0087] The above is only a specific implementation of the present application, but the protection scope of the present application is not limited thereto. Any technician familiar with the technical field can easily think of changes or substitutions within the technical scope disclosed in the present application, which should be included in the protection scope of the present application. Therefore, the protection scope of the present application should be based on the protection scope of the claims.

[0088] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions, the elements defined by the sentence "comprise a ..." do not exclude the existence of other identical elements in the process, method, article or device including the elements.

Claims

1. A reflective lamp with multiple primary color LEDs, characterized in that: The reflective lamp comprises: Multi-primary color LED light source; A light-emitting surface cover plate, located at the bottom of the reflective lamp; A housing, which forms a receiving space with the light-emitting surface cover plate and is used to reflect light incident on the inner wall of the housing; a bracket, arranged in the accommodating space along the longitudinal direction of the housing, and sequentially comprising an upper end, a vertical portion and a lower end, wherein the upper end is connected to the housing, the vertical portion is at least used to mount the multi-primary color LED light source, and the lower end comprises at least a first reflection structure, and the first reflection structure is at least used to reflect incident light; a reflective strip, symmetrically arranged in the accommodating space along both sides of the bracket, with a gap between the reflective strip and the bracket, wherein the reflective strip is at least used to reflect incident light, and the gap is used to guide at least part of the light reflected by the reflective strip to the middle of the light emitting surface cover plate; and An end cover is connected to the open end of the shell and is at least used to close the accommodating space.

2. The reflective lamp according to claim 1, characterized in that: The upper end portion is in an inverted triangle shape and the inverted triangle shape matches the connection portion of the housing, a light source circuit board is disposed on the surface of the vertical portion and the multi-primary color LED light source is disposed on the light source circuit board, and the lower end portion has a trapezoidal cross-section with an upper base longer than a lower base and the upper base forms the first reflective structure along the longitudinal direction of the accommodating space; The surface of the light source circuit board is provided with a reflective layer complementary to the multi-primary color LED light source to form a seventh reflective structure, and at least part of the surface of the vertical portion except the light source circuit board is provided with a reflective layer to form a sixth reflective structure.

3. The reflective lamp according to claim 2, characterized in that: The reflective strip includes a third reflective structure, the upper edge of the third reflective structure is higher than the lowest point of the first reflective structure and lower than the center point of the multi-primary color LED light source in the vertical direction, and the minimum distance H between the third reflective structure and the surface of the vertical part in the width direction is greater than the maximum distance h between the outer edge of the first reflective structure and the surface of the vertical part.

4. The reflective lamp according to claim 3, characterized in that: The reflective strip further comprises a second reflective structure, the second reflective structure being used to direct incident light to a fourth reflective structure corresponding to the inner wall of the housing; Wherein, the second reflective structure is higher than the first reflective structure and lower than the center point of the multi-primary color LED light source in the vertical direction.

5. The reflective lamp according to claim 4, characterized in that: The cross-section of the reflective strip is a triangle, and the third reflective structure corresponds to the hypotenuse of the triangle and is arranged toward the light emitting direction of the multi-primary color LED light source, and the surface corresponding to one side of the triangle serves as the second reflective structure.

6. The reflective lamp according to claim 5, characterized in that: The first reflective structure is a curved surface or a flat surface, the angle between the first reflective structure and the surface corresponding to the vertical portion is a right angle or an obtuse angle, and the first reflective structure is used to guide part of the light emitted by the multi-primary color LED light source to the third reflective structure and the fourth reflective structure; The number of the end caps is 2, and a fifth reflective structure is disposed on the inner surface of the end cap. The fifth reflective structure is a free-form surface, and the fifth reflective structure is smoothly connected to the fourth reflective structure.

7. The reflective lamp according to claim 6, characterized in that: The surfaces corresponding to the first reflective structure, the second reflective structure, the third reflective structure, the fourth reflective structure, the vertical portion and the fifth reflective structure are all provided with a high-reflectivity reflective layer, and the high-reflectivity reflective layer is a high-reflectivity coating or a high-reflectivity reflective paper layer.

8. The reflective lamp according to claim 7, characterized in that: The multi-primary color LED light source does not contain phosphor, wherein: Each multi-primary color LED light source comprises one or more LED chips, and the multi-primary color LED light source comprises at least two LED chips with different wavelengths; The multi-primary color LED light source comprises an LED chip, a solid crystal layer, a substrate, a gold wire and a primary optical lens, wherein the LED chip is connected to the substrate through the solid crystal layer, and the LED chip is electrically conductive with the substrate through the gold wire; The primary optical lens seals the corresponding LED chip on the substrate; the primary optical lens is a free-form surface lens, which can realize polarized light with a polarization angle of 5° to 45°. The maximum light intensity direction after being emitted through the free-form surface lens in the longitudinal cross section points to 0.3 to 0.5 times the width of the fourth reflective structure, and the maximum distance A between the center of the multi-primary color LED light source and the first reflective structure is: 0.6 to 2 times the substrate size; A high-reflectivity reflective adhesive layer is provided on the surface of the substrate in a complementary area to the corresponding LED chip, and the thickness of the high-reflectivity reflective adhesive layer is less than or equal to the sum of the thickness of the corresponding LED chip and the thickness of the solid crystal layer.

9. The reflective lamp according to claim 1, characterized in that: The vertical portion is provided with two light source circuit boards, the two light source circuit boards are parallel and perpendicular to the light emitting surface cover plate; Among them, conductive connection points and circuits of each LED chip included in the multi-primary color LED light source are made on the light source circuit board, the multi-primary color LED light sources are distributed on the light source circuit board in an equidistant arrangement, different multi-primary color LED light sources are connected through a series-parallel combination, wiring terminals are made at both ends of the light source circuit board, the circuit on the light source circuit board is connected to the wire through the wiring terminals, and a heat conduction material is provided between the light source circuit board and the bracket.

10. The reflective lamp according to claim 8, characterized in that: If the vector is defined to be perpendicular to the light-emitting surface cover and pointing to the interior of the lamp For the light emitted by the multi-primary color LED light source, the light vector after being reflected by the first reflection structure for the first time is The light vector after the first reflection from the second reflection structure is The light vector after the first reflection from the third reflection structure is The light vector after the first fourth reflection structure is The light vector after the first reflection from the fifth reflection structure is Then there is The light emitting surface cover plate includes a transparent plate or a diffusion plate, wherein a microcrystalline plate or an anti-glare film may be further provided on the surface of the transparent plate or the diffusion plate.

Images