A light source module and a lighting device

Abstract

The utility model discloses a light source module and lighting equipment, light source module includes the substrate and the lamp pearl subassembly, and the lamp pearl subassembly installs in the substrate, the lamp pearl subassembly includes the first lamp pearl group and the second lamp pearl group along the first direction arrangement, and the first lamp pearl group and the second lamp pearl group all include A lamp pearl and B lamp pearl along the second direction arrangement with the first direction vertical, A lamp pearl includes the first chip group, and B lamp pearl includes the second chip group, and the chip color kind and the chip quantity of each color corresponding of first chip group and second chip group are all same, in the same first lamp pearl group or same second lamp pearl group, the setting position of the chip of same color in first chip group and second chip group is about the axis of the center of circle of both mirror image symmetry, and this axis extends along the second direction, and the first lamp pearl group and the second lamp pearl group are about the geometric center point (a) center symmetry of lamp pearl subassembly, first chip group and second chip group of the utility model can complement each other light intensity, and ensure that light evenly diverges.

Description

Technical Field

[0001] This utility model relates to the field of lighting equipment technology, and in particular to a light source module and a lighting device. Background Technology

[0002] Currently, LED chips are widely used in various lighting devices. However, as users' demands for lighting quality and effects increase, traditional LED arrangement methods are gradually revealing some shortcomings. Specifically, traditional LED light source modules typically employ simple matrix or random arrangements. While matrix arrangements facilitate manufacturing and circuit design, the fixed spacing between chips and the limited beam angle cause light to easily overlap and interfere during propagation. In large-area lighting scenarios, this arrangement causes the light from a large number of chips to converge in the central area, resulting in excessively high light intensity in the central region, while the edge areas suffer from insufficient light coverage and significant light intensity attenuation, forming obvious "bright spots" and "dark areas." This uneven light distribution directly affects the comfort and practicality of the lighting.

[0003] More importantly, if the LED chips are not arranged properly, the mixing effect of different colors of light within each chip will be severely affected. In traditional arrangements, the different colored chips (such as red, green, blue, and white) lack a targeted spatial layout design, making it difficult for the colors of light to mix evenly during propagation. For example, some lighting areas may appear warmer due to an overconcentration of red chips, while other areas may appear cooler due to an overconcentration of blue chips, resulting in a chaotic and disordered light color within the lighting space. This not only destroys the natural feel of the lighting color but also causes eye fatigue due to long-term visual adaptation to different color biases, greatly reducing the quality of lighting. Utility Model Content

[0004] In order to overcome at least one of the defects of the prior art, the present invention provides a light source module and a lighting device, wherein the lamp bead assembly is distributed in a mirror symmetrical manner along the axis and in a central symmetrical manner along the geometric center point (a). The first chip group and the second chip group can complement each other in light intensity, effectively improve the uniformity of light effect, and avoid the phenomenon of "bright spots" and "dark areas" where the central area is too bright and the edge area is too dark.

[0005] The technical solution adopted by this utility model to solve its problem is:

[0006] A light source module, comprising,

[0007] substrate;

[0008] An LED assembly is mounted on the substrate; the LED assembly includes a first LED group and a second LED group arranged along a first direction, and both the first LED group and the second LED group include LED A and LED B arranged along a second direction perpendicular to the first direction; LED A includes a first chip group, LED B includes a second chip group, and the first chip group and the second chip group have the same chip color types and the same number of chips for each color.

[0009] In the same first LED bead group or the same second LED bead group, the positions of the chips of the same color in the first chip group and the second chip group are mirror-symmetrical about an axis passing through the center of both, and the axis extends along the second direction;

[0010] The first LED group and the second LED group are centrally symmetrical about the geometric center point (a) of the LED assembly.

[0011] As an optional implementation, the light source module includes a plurality of the lamp bead assemblies, which are arranged on the substrate along the first direction and / or the second direction.

[0012] As an optional implementation, both the first chipset and the second chipset include a first chip, a second chip, a third chip, and a fourth chip of different colors.

[0013] In the same first LED group or the same second LED group, the position of the first chip in the first chip group and the position of the first chip in the second chip group are mirror-symmetrical about the axis.

[0014] The position of the second chip in the first chipset is mirror-symmetrical to the position of the second chip in the second chipset about the axis.

[0015] The location of the third chip in the first chipset is mirror-symmetrical to the location of the third chip in the second chipset about the axis.

[0016] The location of the fourth chip in the first chipset is mirror-symmetrical to the location of the fourth chip in the second chipset about the axis.

[0017] As an optional implementation, the first chip is a red chip, the second chip is a green chip, the third chip is a white chip, and the fourth chip is a blue chip.

[0018] As an optional implementation, the first chipset includes a first chip, a second chip, a third chip, and a fourth chip, and the second chipset includes a first chip, a second chip, a third chip, and a fifth chip;

[0019] In the same first LED bead group or the same second LED bead group, the position of the first chip in the first chip group and the position of the first chip in the second chip group are mirror-symmetrical about the axis.

[0020] The position of the second chip in the first chipset is mirror-symmetrical to the position of the second chip in the second chipset about the axis.

[0021] The location of the third chip in the first chipset is mirror-symmetrical to the location of the third chip in the second chipset about the axis.

[0022] The position of the fourth chip in the first chipset is mirror-symmetrical to the position of the fifth chip in the second chipset about the axis.

[0023] As an optional implementation, the fourth chip and the fifth chip have the same primary color type, and their spectral bands partially overlap.

[0024] As an optional implementation, the first chip is a red chip, the second chip is a green chip, the third chip is a white chip, the fourth chip is a first blue chip, and the fifth chip is a second blue chip, wherein the peak wavelength of the first blue chip is 460nm and the peak wavelength of the second blue chip is 407nm.

[0025] As an optional implementation, the light source module includes four LED bead assemblies, which are arranged in a 90° rotational symmetry around the center point (b) of the light source module.

[0026] As an optional implementation, the light source module includes sixteen LED bead assemblies, which are divided into four light-emitting modules;

[0027] The LED components within each of the light-emitting modules are arranged in a 90° rotational symmetry around the center point (c) of the light-emitting module;

[0028] The four light-emitting modules are arranged in a 90° rotational symmetry around the center point (b) of the light source module.

[0029] A lighting device, comprising a light source module as described above.

[0030] In summary, the light source module and lighting device provided by this utility model have the following technical effects:

[0031] The LED chip assembly of the light source module achieves a mirror-symmetrical distribution of the first and second chip groups within the same LED chip group along the axis, allowing them to complement each other's light intensity. Simultaneously, by centrally symmetrically distributing the two sets of first and second chip groups within different LED chip groups around a geometric center point (a), the same color light from the entire LED chip assembly forms a symmetrical distribution and superposition in space, achieving uniform light distribution and reducing the generation of "bright spots" and "dark areas" in the illuminated area. Furthermore, the different colors of light from the entire LED chip assembly also form a symmetrical distribution and mix in space, with uniform mixing of different colors. This effectively avoids color oversaturation caused by excessive concentration of a particular color in localized illuminated areas, maintaining a harmonious and unified overall light color in the illuminated area, and more closely resembling the texture of natural light. Attached Figure Description

[0032] To more clearly illustrate the technical solutions in the embodiments of this utility model, the drawings used in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0033] Figure 1 These are schematic diagrams of the LED bead assembly in Embodiment 1 and Embodiment 2 of this utility model;

[0034] Figure 2 This is a schematic diagram showing the arrangement of multiple LED components on a substrate in Embodiment 1 and Embodiment 2 of this utility model;

[0035] Figure 3 These are schematic diagrams of the LED bead assembly in Embodiment 1 and Embodiment 3 of this utility model;

[0036] Figure 4 This is a schematic diagram showing the arrangement of multiple LED components on a substrate in Embodiment 1 and Embodiment 3 of this utility model;

[0037] Figure 5 This is a schematic diagram of the arrangement of multiple light-emitting modules on the substrate in Embodiment 4 of this utility model.

[0038] The meanings of the reference numerals in the attached figures are as follows:

[0039] 1. Lamp bead assembly; 10. First lamp bead group; 100. Substrate; 101. Lamp bead A; 102. Lamp bead B; 11. Second lamp bead group; 12. First chipset; 121. First chip; 122. Second chip; 123. Third chip; 124. Fourth chip; 13. Second chipset; 131. Fifth chip; 14. Axis; 2. Light-emitting module. Detailed Implementation

[0040] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0041] In this invention, the terms "upper," "lower," "left," "right," "front," "rear," "top," "bottom," "inner," "outer," "middle," "vertical," "horizontal," "lateral," and "longitudinal" indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. These terms are primarily for the purpose of better describing this invention and its embodiments, and are not intended to limit the indicated device, element, or component to having a specific orientation, or to be constructed and operated in a specific orientation.

[0042] Furthermore, in addition to indicating direction or positional relationship, some of the aforementioned terms may also have other meanings. For example, the term "above" may also be used in some cases to indicate a certain dependency or connection relationship. Those skilled in the art can understand the specific meaning of these terms in this utility model according to the specific circumstances.

[0043] Furthermore, the terms "installation," "setup," "equipped with," "connection," and "linked" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral structure; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium, or an internal connection between two devices, components, or parts. Those skilled in the art can understand the specific meaning of these terms in this utility model based on the specific circumstances.

[0044] Furthermore, the terms "first," "second," etc., are primarily used to distinguish different devices, components, or parts (which may be the same or different in specific type and construction), and are not intended to indicate or imply the relative importance or quantity of the indicated devices, components, or parts. Unless otherwise stated, "a plurality of" means two or more.

[0045] The technical solution of this utility model will be further described below with reference to the embodiments and accompanying drawings.

[0046] Example 1

[0047] See Figures 1 to 5 This utility model discloses a light source module, which includes a substrate 100 and an LED assembly 1, wherein the LED assembly 1 is mounted on the substrate 100. For details, please refer to [link to relevant documentation]. Figure 1 or Figure 3 The LED assembly 1 includes a first LED group 10 and a second LED group 11 arranged along a first direction. Both the first LED group 10 and the second LED group 11 include LED A 101 and LED B 102 arranged along a second direction perpendicular to the first direction. LED A 101 includes a first chip group 12, and LED B 102 includes a second chip group 13. The first chip group 12 and the second chip group 13 have the same number of chip colors for each color.

[0048] More specifically, in the same first LED group 10 or the same second LED group 11, the positions of the chips of the same color in the first chip group 12 and the second chip group 13 are mirror-symmetrical about an axis 14 passing through the center of both, which extends along a second direction; at the same time, the first LED group 10 and the second LED group 11 are centrally symmetrical about the geometric center point (a) of the LED assembly 1.

[0049] Based on this structure, when using the light source module of this utility model, the substrate 100 can be fixed in the corresponding installation position of the lighting equipment first, and then the lamp bead assembly 1 can be powered through circuit connection.

[0050] When the LED assembly 1 is in use, since the first LED group 10 and the second LED group 11 are arranged along the first direction, and the A LED 101 and B LED 102 in each LED group are arranged along the second direction perpendicular to the first direction, light can be emitted from multiple positions and angles to the surroundings. In large-area lighting scenarios, this arrangement can make the light distribution more uniform.

[0051] Meanwhile, the positions of the same-color chips of LED bead 101 and LED bead 102 within the same LED bead group are mirror-symmetrical about the axis 14 extending along the second direction through the center of LED bead 101 and LED bead 102. This allows the same-color light emitted by LED bead 101 and LED bead 102 to illuminate from two positions (the respective positions of LED bead 101 and LED bead 102) in two directions (the respective illumination directions of the same-color chips in LED bead 101 and LED bead 102). Furthermore, the same-color light from the two positions and the two directions can complement each other during propagation, avoiding the situation where the same-color light from multiple LED beads illuminates in a single direction at the same time, resulting in excessively high or low local light intensity.

[0052] It should be further explained that the two irradiation directions of the same color light emitted by the same color chips of LED chip A 101 and LED chip B 102 in the same LED chip group are also mirror-symmetrical about the above-mentioned axis 14. In this way, when the light of LED chip A 101 illuminates the central area of ​​the illumination area, the light of the same color light of LED chip B 102 can illuminate the edge area of ​​the illumination area; and vice versa.

[0053] It is worth noting that the first LED group 10 and the second LED group 11 are also centrally symmetrical about the geometric center point of the LED assembly 1. Thus, the two A LEDs 101 and the two B LEDs 102 in the first LED group 10 and the second LED group 11 are respectively located in four positions arranged in a rectangular array. When the A LEDs 101 and B LEDs 102 in one LED group emit light of the same color from two positions and illuminate two symmetrical directions, the A LEDs 101 and B LEDs 102 in the other LED group emit light of the same color from two other symmetrical positions and illuminate two opposite symmetrical directions.

[0054] Therefore, the same color light of the entire LED assembly 1 forms a symmetrical distribution and superposition in space, achieving uniform light distribution and reducing the generation of "bright spots" and "dark areas" in the illuminated area. At the same time, the different colors of light of the entire LED assembly 1 also form a symmetrical distribution and mix in space. The uniform mixing of different colors of light effectively avoids the phenomenon of color oversaturation caused by excessive concentration of a certain color light in local illuminated areas, keeping the overall light color of the illuminated area coordinated and unified, and closer to the texture of natural light.

[0055] Therefore, by setting the positions of different LEDs in the same LED group and the same chip in the same LEDs in different LED groups in a mirror symmetrical arrangement in different directions, this utility model provides multiple positions and multiple angles of illumination for light. The same color light can form complementary illumination from multiple symmetrical directions, avoiding the problem of light intensity imbalance in a single direction, and different colors of light can also be mixed evenly.

[0056] It should be noted that, since different colors correspond to specific wavelength ranges within the visible light range, this invention defines chips whose emission spectra fall within the same color wavelength range as chips of the same color.

[0057] As an optional implementation, the light source module includes a plurality of lamp bead assemblies 1, and the plurality of lamp bead assemblies 1 are arranged on the substrate 100 along a first direction and / or a second direction.

[0058] Specifically, the number of LED components 1 in the first and second directions can be flexibly adjusted according to different actual needs, so as to adapt to lighting scenarios of various sizes.

[0059] Among them, the multiple LED components 1 arranged along the first direction can expand the coverage of light in that direction, allowing the light to be evenly distributed over a longer distance; the multiple LED components 1 arranged along the second direction can expand the illumination area in the dimension perpendicular to the first direction, avoiding the problem of edge light attenuation of a single LED component 1 in a large-area scene.

[0060] When multiple LED components 1 are arranged simultaneously along the first and second directions, they form a complete array, achieving full coverage of a larger planar area. Since each LED component 1 can emit light uniformly, the superposition of multiple LED components 1 allows the light to complement each other over a larger area, providing a larger area of ​​uniform illumination.

[0061] The following two embodiments illustrate the configuration of the chipset in LED assembly 1:

[0062] Example 2

[0063] As an optional implementation method, see [link / reference]. Figure 1 In this embodiment, both the first chipset 12 and the second chipset 13 include a first chip 121, a second chip 122, a third chip 123, and a fourth chip 124 of different colors. Specifically, within the same first LED group 10 or the same second LED group 11, the positions of the first chip 121 in the first chipset 12 and the first chip 121 in the second chipset 13 are mirror-symmetrical about axis 14; the positions of the second chip 122 in the first chipset 12 and the second chip 122 in the second chipset 13 are mirror-symmetrical about axis 14; the positions of the third chip 123 in the first chipset 12 and the third chip 123 in the second chipset 13 are mirror-symmetrical about axis 14; and the positions of the fourth chip 124 in the first chipset 12 and the fourth chip 124 in the second chipset 13 are mirror-symmetrical about axis 14.

[0064] Based on this structure, in this embodiment, when the LED assembly 1 is in use, the same-colored chips in LED A 101 and LED B 102 of the same LED group emit light from symmetrical positions on both sides of axis 14, forming two sets of complementary same-color light in symmetrical directions. For example, the light emitted by the first chip 121 illuminates one side of axis 14, while the other symmetrical first chip 121 illuminates the other side of axis 14. The two sets of light fill each other's illumination blind spots during propagation, avoiding the problem of excessive concentration of the same-color light in one direction.

[0065] The chips of the same color in the two A LEDs 101 and the two B LEDs 102 of different LED groups emit light from symmetrical positions on both sides of the axis 14 of their respective LED groups. The light emission position and direction of the chips of the same color in the two A LEDs 101 or the two B LEDs 102 of different LED groups are symmetrical about the geometric center point (a) of the entire LED assembly 1.

[0066] Meanwhile, the four different colored chips of the two LED groups are symmetrically distributed in space through their respective symmetrical layouts and are mixed from different symmetrical angles, which greatly improves the coverage density of light and the uniformity of light mixing.

[0067] As an optional implementation, the first chip 121 is a red chip, the second chip 122 is a green chip, the third chip 123 is a white chip, and the fourth chip 124 is a blue chip.

[0068] During use, the red chips within the same LED group and the symmetrically positioned red chips emit red light from both sides of axis 14. The two sets of red light complement each other during propagation, avoiding the problem of excessively strong or weak red light in a single area. The emitting positions and directions of the red chips of the same LEDs in different LED groups are symmetrical about the geometric center point (a) of LED assembly 1, ensuring a uniform distribution of red light in space. Similarly, the symmetrical layout of the green chips ensures a uniform distribution of green light in space, while the symmetrical light rays of the blue chips balance the coverage of blue light. As a neutral light source, the symmetrical emission of the white chip effectively harmonizes the mixing ratio of red, green, and blue, creating a more natural transition in the light convergence area.

[0069] Among them, the mixed light formed by the four colors through symmetrical layout avoids color bias and bright spots caused by the concentration of monochromatic light in large-area scenes, and makes the lighting color closer to natural light through the neutralizing effect of white light, thus improving visual comfort.

[0070] Meanwhile, the four color chips of different LED groups are symmetrical with the geometric center point, which further enhances the light balance of the whole area. Whether at the edge or center of a large area of ​​lighting, the color performance of the light is relatively consistent, which improves the comfort and quality of lighting.

[0071] Example 3

[0072] As an optional implementation method, see [link / reference]. Figure 3 The first chipset 12 includes a first chip 121, a second chip 122, a third chip 123, and a fourth chip 124, and the second chipset 13 includes a first chip 121, a second chip 122, a third chip 123, and a fifth chip 131. Specifically, within the same first LED group 10 or the same second LED group 11, the position of the first chip 121 in the first chipset 12 is mirror-symmetrical about axis 14 with respect to the position of the first chip 121 in the second chipset 13; the position of the second chip 122 in the first chipset 12 is mirror-symmetrical about axis 14 with respect to the position of the second chip 122 in the second chipset 13; the position of the third chip 123 in the first chipset 12 is mirror-symmetrical about axis 14 with respect to the position of the third chip 123 in the second chipset 13; and the position of the fourth chip 124 in the first chipset 12 is mirror-symmetrical about axis 14 with respect to the position of the fifth chip 131 in the second chipset 13. Among them, the fourth chip 124 and the fifth chip 131 have the same primary color type, and their spectral bands partially overlap.

[0073] Based on this structure, when the lamp bead assembly 1 in this embodiment is used, the illumination paths of the first chip 121, the second chip 122, and the third chip 123 of the first chip group 12 and the second chip group 13 are similar to the illumination paths of any chip in Embodiment 2, and will not be repeated here.

[0074] The fourth chip 124 of the first chip group 12 and the fifth chip 131 of the second chip group 13, being chips with the same primary color and partially overlapping spectra, emit light from symmetrical positions on both sides of axis 14 in the same LED group. Their light has its own coverage area during propagation, and they complement each other in overlapping wavelengths. In different LED groups, the fourth chip 124 and the fifth chip 131 of one LED group and the fourth chip 124 and the fifth chip 131 of another LED group have their light emission positions and illumination directions symmetrical about the geometric center point (a) of the entire LED assembly 1, so that the light from the fourth chip 124 and the fifth chip 131 forms a wider complementary coverage in space.

[0075] Thus, the symmetrically arranged first chip 121, second chip 122, and third chip 123 ensure uniform coverage of the primary color light and avoid concentration of light intensity in one direction; the fourth chip 124 and the fifth chip 131 have the same primary color and overlapping spectra, so that when they emit light symmetrically, they can not only enhance the overall intensity of the primary color light, but also reduce the local light color deviation caused by the spectral limitation of a single chip through the fusion of light in the overlapping spectral areas.

[0076] It should be noted that if two chips have the same primary color and their spectra overlap, it means that the emission spectra of the two chips fall within the same color band, but their peak wavelengths can be different.

[0077] As an optional implementation, the first chip 121 is a red chip, the second chip 122 is a green chip, the third chip 123 is a white chip, the fourth chip 124 is a first blue chip, and the fifth chip 131 is a second blue chip, wherein the peak wavelength of the first blue chip is 460nm and the peak wavelength of the second blue chip is 407nm.

[0078] During use, the red chips in the same LED group and the symmetrically positioned red chips emit red light from both sides of axis 14. The two groups of red light complement each other during propagation, avoiding excessively strong or weak red light in a single area. The emitting positions and directions of the red chips of the same LEDs in different LED groups are symmetrical about the geometric center point (a) of LED assembly 1, ensuring that the red light is evenly distributed in space. Similarly, the symmetrical layout of the green chips ensures that the green light is evenly distributed in space, guaranteeing the consistency of green light efficacy. As a neutral light source, the symmetrical emission of the white chip effectively harmonizes the mixing ratio of other colors, allowing the light to form a natural transition in the intersection area.

[0079] The first blue chip and the second blue chip, which are chips with the same primary color but different peak wavelengths, emit light from symmetrical positions. The 460nm blue light belongs to the common blue light band, with high luminous efficiency and obvious human eye perception, while the 407nm blue light is closer to the edge of ultraviolet light and has strong penetrating power. During propagation, the two have their own coverage areas and form light fusion in the overlapping part of the blue light band.

[0080] Therefore, this embodiment uses two blue light chips with different peak wavelengths to complement each other, avoiding visual fatigue caused by a single blue light band. 460nm blue light provides a moderate blue atmosphere, while 407nm blue light enhances the penetrating power of light, especially in large-area illumination, reducing "bright spots" and "dark areas" and making the light distribution more uniform.

[0081] Furthermore, the chips of different LED groups are arranged in a centrally symmetrical layout around the geometric center point (a), which further enhances the overall light color balance. The light from the red, green, white, and two types of blue chips is symmetrically superimposed in space, making the lighting effect more stable and the light closer to natural light.

[0082] Example 4

[0083] The light source module in this embodiment includes the LED chip assembly 1 as described in Embodiment 1, Embodiment 2, or Embodiment 3. The specific arrangement structure of the LED chip assembly 1 is explained below:

[0084] As an optional implementation method, see [link / reference]. Figure 3 The light source module includes four LED components 1, and the four LED components 1 are arranged in a 90° rotational symmetry around the center point (b) of the light source module.

[0085] Specifically, the four LED components 1 are defined as the first LED component, the second LED component, the third LED component, and the fourth LED component, respectively. The center point (b) of the light source module is used as the origin of the coordinate system to divide the system into four quadrants. The first LED component is located in the first quadrant, the second LED component is located in the second quadrant, the third LED component is located in the third quadrant, and the fourth LED component is located in the fourth quadrant. The four components are arranged in a 90° rotational symmetry around the center point (b).

[0086] Therefore, after rotating the first LED assembly 90° around the center point (b), the positions of LED A 101 and LED B 102 of the first LED assembly coincide with the positions of LED A 101 and LED B 102 of the second LED assembly in the second quadrant region; similarly, after rotating the second LED assembly 90° around the center point (b), the second LED assembly coincides with the third LED assembly in the third quadrant region; after rotating the third LED assembly 90° around the center point (b), the third LED assembly coincides with the fourth LED assembly in the fourth quadrant region; after rotating the fourth LED assembly 90° around the center point (b), the fourth LED assembly coincides with the first LED assembly in the first quadrant region.

[0087] Because the four LED components 1 are rotated symmetrically at 90°, they can illuminate in four different directions, forming omnidirectional light coverage and avoiding blind spots that may occur with single-direction or linear arrangements. In large-area lighting scenarios, the light emitted by each LED component 1 will overlap during propagation, and due to the rotational symmetry, the light intensity in each direction can remain consistent, effectively eliminating "bright spots" and "dark areas" and making the light distribution in the entire lighting area more uniform.

[0088] Taking the LED assembly 1 in Embodiment 2 as an example, the four colors of light—red, green, white, and blue—converge from four different directions. After symmetrical superposition, the saturation and uniformity of the colors are greatly improved, avoiding the problem of color deviation or color spots in local areas.

[0089] For the LED assembly 1 containing blue chips with different peak wavelengths in Embodiment 3, since two A LED chips 101 and two B LED chips 102 are diagonally arranged inside the same LED assembly 1, and the blue chip of A LED chip 101 (peak wavelength 460nm) emits bluish light, while the blue chip of B LED chip 102 (peak wavelength 407nm) emits violet light, the two types of light will form intersecting X-shaped light spots on the entire illumination surface of the LED assembly 1 due to the influence of wavelength characteristics and diagonal distribution, which will affect the uniformity of light to a certain extent.

[0090] This embodiment effectively improves this problem by arranging four such LED components 1 in a 90° rotational symmetry around the center point (b) of the light source module. When the four LED components 1 are located in the four quadrants respectively, the X-shaped light spots generated by each LED component 1 also exhibit a 90° rotational symmetry distribution. These X-shaped light spots from different directions superimpose on each other in space. The strong light at the intersection of the light spots originally formed by a single LED component 1 is neutralized by light from other directions, while the weak light areas at the edges of the light spots are supplemented. Ultimately, on the entire illumination surface of the light source module, the indistinguishability of the X-shaped light spots is significantly reduced, the light distribution is more uniform, and the consistency of the lighting effect is further improved.

[0091] As an optional implementation method, see [link / reference]. Figure 5 The light source module includes sixteen LED components 1, which are divided into four light-emitting modules 2. Within each light-emitting module 2, the LED components 1 are arranged 90° rotationally symmetrically around the center point (c) of that module. Simultaneously, the four light-emitting modules 2 are arranged 90° rotationally symmetrically around the center point (b) of the light source module.

[0092] Specifically, the four light-emitting modules 2 are defined as the first light-emitting module, the second light-emitting module, the third light-emitting module, and the fourth light-emitting module, respectively. The center point (b) of the light source module is used as the origin of the coordinate system to divide the system into four quadrants. The first light-emitting module is located in the first quadrant, the second light-emitting module is located in the second quadrant, the third light-emitting module is located in the third quadrant, and the fourth light-emitting module is located in the fourth quadrant. The four modules are arranged in a 90° rotational symmetry around the center point (b).

[0093] Therefore, after rotating the first light-emitting module 90° around the center point (b), the positions of the LED assembly 1, LED A 101, and LED B 102 in the first light-emitting module coincide with the positions of the LED assembly 1, LED A 101, and LED B 102 in the second light-emitting module in the second quadrant region; similarly, after rotating the second light-emitting module 90° around the center point (b), the second light-emitting module coincides with the third light-emitting module in the third quadrant region; after rotating the third light-emitting module 90° around the center point (b), the third light-emitting module coincides with the fourth light-emitting module in the fourth quadrant region; after rotating the fourth light-emitting module 90° around the center point (b), the fourth light-emitting module coincides with the first light-emitting module in the first quadrant region.

[0094] In use, within a single light-emitting module 2, the four LED components 1 are rotated symmetrically around the center point (c) at a 90° angle, allowing the light within the module to first form a locally uniform light field. The four light-emitting modules 2, also rotated symmetrically around the center point (b) of the light source module at a 90° angle, further extend this local uniformity to the entire module. Each light-emitting module 2 acts as an independent unit, its light coverage complementing that of the other modules. The light from the first light-emitting module primarily covers the corresponding quadrant, while the second, third, and fourth light-emitting modules cover the remaining quadrants respectively. Furthermore, due to rotational symmetry, the light intensity and color characteristics of each module remain consistent throughout the overall space.

[0095] For the LED chip assembly 1 containing blue chips with different peak wavelengths in Embodiment 3, the X-shaped light spot formed by a single LED chip assembly 1 is reduced after being superimposed by four LED chip assemblies 1 arranged with 90° rotational symmetry within a single light-emitting module 2. Furthermore, the four light-emitting modules 2 are arranged with 90° rotational symmetry, allowing the blue chip light from multiple modules to superimpose from more directions. The blue-biased light and violet-biased light undergo multi-layered cross-complementary interaction in space, further diluting any potential X-shaped light spot traces and almost eliminating the impact of the light spot on the overall lighting or display effect, resulting in a more uniform light distribution on the illumination or display surface.

[0096] Therefore, the light from the sixteen LED components 1 is distributed symmetrically, covering a larger area with minimal differences in light intensity between regions. Furthermore, individual light-emitting modules 2 or their LED components 1 can be adjusted according to the needs of different areas without affecting the overall balance, greatly enhancing the adaptability of the light source module.

[0097] Example 5

[0098] This embodiment discloses a lighting device, which includes a light source module as described in Embodiment 1, Embodiment 2, Embodiment 3, or Embodiment 4 above. The lighting device can be a panel light, a floodlight, a stage light, etc.

[0099] When in use, the lighting device of this utility model can effectively eliminate the "bright spots", "dark areas" and X-shaped light spots commonly found in traditional lighting by using the multi-dimensional symmetrical arrangement of the lamp bead assembly 1 (such as mirror symmetry, central symmetry, 90° rotational symmetry, etc.), as well as the complementary light emission of chips of the same color and the balanced mixing of chips of different colors. This makes the light intensity distribution in a large area of ​​lighting tend to be uniform, avoiding visual discomfort caused by local over-brightness or over-darkness.

[0100] The specific structure, arrangement and working mechanism of the LED assembly 1 are described in detail in the above embodiments, and will not be elaborated further here.

[0101] The technical means disclosed in this utility model are not limited to those disclosed in the above embodiments, but also include technical solutions composed of any combination of the above technical features. It should be noted that those skilled in the art can make various improvements and modifications without departing from the principle of this utility model, and these improvements and modifications are also considered within the scope of protection of this utility model.

Claims

1. A light source module, characterized in that: include, substrate(100); An LED assembly (1) is mounted on the substrate (100). The LED assembly (1) includes a first LED group (10) and a second LED group (11) arranged along a first direction. Both the first LED group (10) and the second LED group (11) include an A LED (101) and a B LED (102) arranged along a second direction perpendicular to the first direction. The A LED (101) includes a first chip group (12), and the B LED (102) includes a second chip group (13). The first chip group (12) and the second chip group (13) have the same chip color types and the same number of chips for each color. In the same first LED bead group (10) or the same second LED bead group (11), the positions of the chips of the same color in the first chip group (12) and the second chip group (13) are mirror-symmetrical about an axis (14) passing through the center of both, which extends along the second direction. The first LED group (10) and the second LED group (11) are centrally symmetrical about the geometric center point (a) of the LED assembly (1).

2. The light source module according to claim 1, characterized in that: The light source module includes a plurality of lamp bead assemblies (1), which are arranged on the substrate (100) along the first direction and / or the second direction.

3. The light source module according to claim 1, characterized in that: Both the first chipset (12) and the second chipset (13) include a first chip (121), a second chip (122), a third chip (123), and a fourth chip (124) of different colors; In the same first LED bead group (10) or the same second LED bead group (11), the position of the first chip (121) of the first chip group (12) and the position of the first chip (121) of the second chip group (13) are mirror-symmetrical about the axis (14). The position of the second chip (122) of the first chipset (12) is mirror-symmetrical with respect to the position of the second chip (122) of the second chipset (13) about the axis (14); The position of the third chip (123) of the first chipset (12) is mirror-symmetrical with respect to the position of the third chip (123) of the second chipset (13) about the axis (14); The position of the fourth chip (124) of the first chipset (12) is mirror-symmetrical with respect to the position of the fourth chip (124) of the second chipset (13) about the axis (14).

4. The light source module according to claim 3, characterized in that: The first chip (121) is a red chip, the second chip (122) is a green chip, the third chip (123) is a white chip, and the fourth chip (124) is a blue chip.

5. The light source module according to claim 1, characterized in that: The first chipset (12) includes a first chip (121), a second chip (122), a third chip (123) and a fourth chip (124), and the second chipset (13) includes a first chip (121), a second chip (122), a third chip (123) and a fifth chip (131); In the same first LED bead group (10) or the same second LED bead group (11), the position of the first chip (121) of the first chip group (12) and the position of the first chip (121) of the second chip group (13) are mirror-symmetrical about the axis (14). The position of the second chip (122) of the first chipset (12) is mirror-symmetrical with respect to the position of the second chip (122) of the second chipset (13) about the axis (14); The position of the third chip (123) of the first chipset (12) is mirror-symmetrical with respect to the position of the third chip (123) of the second chipset (13) about the axis (14); The position of the fourth chip (124) of the first chipset (12) and the position of the fifth chip (131) of the second chipset (13) are mirror-symmetrical about the axis (14).

6. The light source module according to claim 5, characterized in that: The fourth chip (124) and the fifth chip (131) have the same primary color type, and their spectral bands partially overlap.

7. The light source module according to claim 6, characterized in that: The first chip (121) is a red chip, the second chip (122) is a green chip, the third chip (123) is a white chip, the fourth chip (124) is a first blue chip, and the fifth chip (131) is a second blue chip. The peak wavelength of the first blue chip is 460nm, and the peak wavelength of the second blue chip is 407nm.

8. The light source module according to any one of claims 1 to 7, characterized in that: The light source module includes four LED bead assemblies (1), which are arranged in a 90° rotational symmetry around the center point (b) of the light source module.

9. The light source module according to any one of claims 1 to 7, characterized in that: The light source module includes sixteen LED bead assemblies (1), and the sixteen LED bead assemblies (1) are divided into four light-emitting modules (2); The LED bead assembly (1) in each of the light-emitting modules (2) is arranged in a 90° rotational symmetry around the center point (c) of the light-emitting module (2); The four light-emitting modules (2) are arranged in a 90° rotational symmetry around the center point (b) of the light source module.

10. A lighting device, characterized in that: Includes the light source module as described in any one of claims 1-9.

Images