Light-emitting elements and light source modules

Abstract

This invention provides a light-emitting element and a light source module. The light source module includes a light-emitting element, a heat sink, and a diffuser. The light-emitting element includes a substrate and a chip module disposed on the substrate. The RGB mixing unit and the warm / cool mixing unit of the light-emitting element are arranged concentrically. Multiple RGB mixing units and multiple warm / cool mixing units are arranged alternately and staggered, and the multiple RGB mixing units and multiple warm / cool mixing units are rotationally symmetrical about the center of the chip module. This makes all RGB chips, warm light chips, and cool light chips more evenly distributed on the substrate, allowing different colors of light to be fully mixed to achieve a good light mixing effect. Therefore, the light mixing effect can be achieved without an additional mixing cavity structure in the light source module, thereby simplifying the structure of the light source module, reducing light loss caused by multiple reflections through the mixing cavity, improving light efficiency, and ensuring a better user experience.

Description

Technical Field

[0001] This invention relates to the field of light-emitting device technology, and in particular to a light-emitting element and a light source module. Background Technology

[0002] With the development of LED lighting technology, LED light sources have become a symbol of energy conservation and environmental protection, featuring soft light, eye-friendly light, energy saving, and natural light.

[0003] Existing multi-color LED lights typically contain three or more different colored LED beads. The light emitted by these LED beads is mixed by a light mixing component to synthesize the desired color. To achieve uniform light mixing, a light mixing cavity is usually used. However, the light mixing cavity is a hollow structure, requiring a certain amount of space in the display product, resulting in an excessively large product size. Furthermore, to ensure the mixing effect, the light mixing cavity needs to maintain a certain length. Light within the cavity experiences reflection angle compression, leading to a display phenomenon where the edges are dark and the center is bright, affecting display quality and user experience. Summary of the Invention

[0004] The purpose of this invention is to solve the technical problem in the prior art where different colored LED beads achieve a light mixing effect through a light mixing cavity, resulting in an excessively large product size and a situation where the light is compressed at the reflection angle in the light mixing cavity, leading to a display phenomenon where the edges are dark and the center is bright, which affects the display effect and the user experience.

[0005] To address the aforementioned technical problems, the present invention provides a light-emitting element comprising a substrate and a chip module disposed on the substrate. The chip module includes a warm light chip, a cool light chip, and an RGB chip group, wherein the RGB chip group includes a red light chip, a green light chip, and a blue light chip. An RGB mixing unit is formed by multiple RGB chip groups spaced apart and arranged in a ring. The warm light chip and the cool light chip are arranged adjacently to form a warm-cool chip group, and the warm-cool chip groups are spaced apart and arranged in a ring to form the warm-cool mixing unit. At least two RGB mixing units and at least two warm-cool mixing units are provided on the substrate. The RGB mixing units and the warm-cool mixing units are concentrically arranged, and the multiple RGB mixing units and the multiple warm-cool mixing units are spaced apart and staggered, with each RGB mixing unit and each warm-cool mixing unit being rotationally symmetrical about the center of the chip module.

[0006] Optionally, the outer contour of the chip module is circular, and a set of RGB chips is disposed at the center of the chip module.

[0007] Optionally, the outer contour of the RGB mixing unit is circular.

[0008] Optionally, the outer contour of the warm and cool light mixing unit is square or circular.

[0009] Optionally, the RGB mixing unit on the substrate includes multiple independently arranged first mixing units and second mixing units. Both the first mixing unit and the second mixing unit include multiple RGB chip groups that are spaced apart and arranged in a circumferentially closed manner. In each first mixing unit, a set of warm and cool chip groups is provided between two adjacent RGB chip groups, so that the first mixing unit and the multiple warm and cool chip groups constitute a first mixing submodule. In each second mixing unit, a warm light chip or a cool light chip is provided between two adjacent RGB chip groups. The warm light chip and the cool light chip are arranged alternately, so that the second mixing unit and the multiple cool light chips and the multiple warm light chips constitute a second mixing submodule.

[0010] Optionally, the first and second light mixing sub-modules are arranged concentrically, and a plurality of the first and second light mixing sub-modules are arranged at intervals and in an alternating manner; a set of warm and cool light mixing units is arranged between the first and second light mixing sub-modules.

[0011] Optionally, each of the RGB chipsets includes two red light chips, one green light chip, and one blue light chip, with the two red light chips arranged opposite each other, and the green light chip and the blue light chip arranged opposite each other.

[0012] This application also provides a light source module, which includes the above-mentioned light-emitting element. The light source module further includes a heat sink and a diffuser lens. The substrate of the light-emitting element is fixed to the top of the heat sink, the diffuser lens is disposed on the side of the substrate away from the heat sink, and the chip module is disposed facing the diffuser lens.

[0013] Optionally, the light source module further includes a support frame, which is open at both ends and hollow inside. The two ends of the support frame with openings are a large opening end and a small opening end, respectively. The small opening end is fixed to the surface of the substrate, so that the chip module is correspondingly arranged inside the support frame, and the diffuser lens is fixed to the large opening end of the support frame.

[0014] Optionally, the light source module further includes a cooling fan, which is fixed to the side of the heat sink.

[0015] As can be seen from the above technical solution, the beneficial effects of the present invention are as follows: In the light-emitting element and light source module of the present invention, the RGB mixing unit and the warm and cool mixing unit of the light-emitting element are arranged concentrically, and multiple RGB mixing units and multiple warm and cool mixing units are arranged alternately and staggered, and the multiple RGB mixing units and multiple warm and cool mixing units are rotationally symmetrical about the center of the chip module. This makes all RGB chip groups, warm light chips and cold light chips more evenly distributed on the substrate, so that different light colors can be fully mixed to achieve a good light mixing effect. Therefore, the light mixing effect can be met without the need for an additional light mixing cavity structure in the light source module, thereby simplifying the structure of the light source module, reducing light loss caused by multiple reflections through the light mixing cavity, improving light efficiency, and ensuring the user experience. Attached Figure Description

[0016] Figure 1 This is a schematic diagram of the structure of an embodiment of the light-emitting element of the present invention.

[0017] Figure 2 yes Figure 1 The diagram shows the structure of the light-emitting element.

[0018] Figure 3 yes Figure 1 The diagram shows the structure of the chip module in the light-emitting element.

[0019] Figure 4 yes Figure 1 The diagram shows the structure of the RGB mixing unit arranged on the substrate in the light-emitting element.

[0020] Figure 5 yes Figure 1 The diagram shows a schematic of the arrangement of warm and cool light mixing units on a substrate in a light-emitting element.

[0021] Figure 6 This is a schematic diagram of the structure of an embodiment of the light source module of the present invention.

[0022] Figure 7 yes Figure 6 The diagram shows the overall structure of the light-emitting element, support frame, and diffuser lens in the light source module.

[0023] Figure 8 yes Figure 7 Exploded view.

[0024] The reference numerals in the attached figures are explained as follows: 1000, light source module; 100, light-emitting element; 10, substrate; 101, first annular region; 102, second annular region; 20, chip module; 201, RGB mixing unit; 202, warm and cool mixing unit; 2011, first mixing sub-module; 2012, second mixing sub-module; 21, warm and cool chipset; 211, warm light chip; 212, cool light chip; 22, RGB chipset; 2201, first mixing unit; 2202, second mixing unit; 220, central chipset; 221, red light chip; 222, green light chip; 223, blue light chip; 200, heat sink; 300, diffuser lens; 400, support frame; 401, large opening end; 402, small opening end; 500, cooling fan. Detailed Implementation

[0025] Typical embodiments embodying the features and advantages of the present invention will be described in detail in the following description. It should be understood that the present invention can have various variations in different embodiments without departing from the scope of the present invention, and the descriptions and illustrations herein are for illustrative purposes only and not intended to limit the present invention.

[0026] In the description of this application, it should be understood that, in the embodiments shown in the accompanying drawings, the indications of direction or positional relationships (such as up, down, left, right, front, and back) are merely for the convenience of describing this application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. These descriptions are appropriate when these elements are in the positions shown in the accompanying drawings. If the description of the positions of these elements changes, these directional indications also change accordingly.

[0027] Furthermore, the terms "multicolor" and "white light" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of technical features indicated. Therefore, features defined as "multicolor" or "white light" may explicitly or implicitly include one or more of the stated features. In the description of this application, "multiple" means two or more, unless otherwise explicitly specified.

[0028] See Figures 1 to 3 One embodiment of this application provides a light-emitting element 100, which forms a light-mixing unit by arranging and packaging different light-emitting chips in a certain way and arrangement density, so that different light-emitting chips can mix light, thereby eliminating the setting of the light-mixing cavity, simplifying the structure of the light-emitting module, and reducing light loss and improving light efficiency.

[0029] Specifically, the light-emitting element 100 in this embodiment includes a substrate 10 and a chip module 20 disposed on the substrate 10. The chip module 20 includes a warm light chip 211, a cold light chip 212, and an RGB chip group 22. The RGB chip group 22 includes a red light chip 221, a green light chip 222, and a blue light chip 223.

[0030] An RGB mixing unit 201 is formed by multiple RGB chipsets spaced apart and arranged in a ring. Warm light chips 211 and cool light chips 212 are arranged adjacently to form a warm and cool chip group 21, and a warm and cool mixing unit 202 is formed by multiple warm and cool chip groups 21 spaced apart and arranged in a ring.

[0031] The substrate 10 is provided with at least two RGB mixing units 201 and at least two warm and cool mixing units 202. The RGB mixing units 201 and the warm and cool mixing units 202 are arranged concentrically. The multiple RGB mixing units 201 and the multiple warm and cool mixing units 202 are arranged at intervals and in an alternating manner, and the multiple RGB mixing units 201 and the multiple warm and cool mixing units 202 are rotationally symmetrical about the center of the chip module 20.

[0032] In the light-emitting element 100, the RGB mixing unit 201 and the warm and cool mixing unit 202 are arranged concentrically. Multiple RGB mixing units 201 and multiple warm and cool mixing units 202 are arranged alternately and staggered, and the multiple RGB mixing units 201 and multiple warm and cool mixing units 202 are rotationally symmetrical about the center of the chip module 20. This allows each RGB chip group 22 to mix light with the circumferential warm light chip 211 and cool light chip 212, so that different light-emitting chips can mix light. This eliminates the need for a mixing cavity in the light source module 1000, simplifies the structure of the light source module 1000, reduces light loss, improves light efficiency, and ensures a good user experience.

[0033] In this embodiment, the chip module 20 has a circular structure, and an RGB chip group 22 is arranged at the center of the chip module 20.

[0034] Each RGB chipset 22 in this embodiment includes two red light chips 221, one green light chip 222, and one blue light chip 223. The two red light chips 221, one green light chip 222, and one blue light chip 223 are spaced apart and arranged to form a square structure. The two red light chips 221 are positioned opposite each other, and the one green light chip 222 and one blue light chip 223 are positioned opposite each other.

[0035] An RGB chipset 22 is used as the center of the chip module 20, that is, the center of the RGB chipset 22 is the center of the chip module 20.

[0036] Specifically, see Figure 4 and Figure 5 In actual installation, a center point can be determined on the substrate 10, and multiple concentric annular regions can be arranged on the surface of the substrate 10, gradually spreading outward from the center point. The multiple annular regions are multiple first annular regions 101 and multiple second annular regions 102, which are arranged alternately in sequence.

[0037] A set of RGB chipset 22 is set at the center point of substrate 10, and RGB mixing units 201 and warm and cool mixing units 202 are arranged in multiple annular areas respectively. The multiple RGB mixing units 201 and multiple warm and cool mixing units 202 are arranged alternately in sequence, so as to achieve rotational symmetry of multiple RGB mixing units 201 and multiple warm and cool mixing units 202 with the center of chip module 20.

[0038] In this embodiment, RGB mixing units 201 are arranged at intervals in the first annular region 101, and warm and cool mixing units 202 are arranged in the second annular region 102, so that the RGB mixing units 201 and the warm and cool mixing units 202 are arranged alternately in sequence, and the warm and cool mixing units 201 and the warm and cool mixing units 202 are rotationally symmetrical about the center point of the substrate 10.

[0039] Furthermore, multiple RGB chip groups are spaced apart and arranged in a ring to form an RGB mixing unit 201. In this embodiment, the outer contour of the RGB mixing unit 201 is circular. Warm light chip 211 and cool light chip 212 are arranged adjacently to form a warm and cool chip group 21. Multiple warm and cool chip groups 21 are spaced apart and arranged in a ring to form a warm and cool mixing unit 202. In this embodiment, the outer contour of the warm and cool mixing unit 202 is square or circular.

[0040] The substrate 10 is provided with a plurality of RGB mixing units 201 and a plurality of warm and cool mixing units 202. The RGB mixing units 201 and the warm and cool mixing units 202 are arranged concentrically and are spaced apart and staggered, so that the plurality of RGB mixing units 201 and the plurality of warm and cool mixing units 202 are rotationally symmetrical about the center of the chip module 20.

[0041] Specifically, the RGB chipset 22 located at the center of the chip module 20 is the central chipset 220, and a set of square warm and cool light mixing units 202 are arranged at intervals around the outer periphery of the central chipset 220. This arrangement allows the two red light chips 221, one green light chip 222, and one blue light chip 223 in the RGB chipset of the central chipset 220 to mix light with the warm light chip 211 and the cool white light chip in the circumferential direction, so as to achieve the light mixing effect between the chips.

[0042] In this embodiment, around the square warm and cool light mixing unit 202, a plurality of circular RGB light mixing units 201 and a plurality of circular warm and cool light mixing units 202 are arranged concentrically and at intervals, and the center of the plurality of circular RGB light mixing units 201 and the plurality of circular warm and cool light mixing units 202 is the center of the RGB chipset that serves as the central chipset 220.

[0043] When multiple circular RGB mixing units 201 and multiple circular warm and cool mixing units 202 are arranged concentrically and at intervals, the RGB mixing units 201 and the warm and cool mixing units 202 are arranged alternately, and the multiple RGB mixing units 201 and the multiple warm and cool mixing units 202 on the substrate 10 are rotationally symmetrical about the center of the chip module 20.

[0044] In this embodiment, the RGB mixing unit 201 and the warm and cool mixing unit 202 on the substrate 10 are arranged concentrically. The multiple RGB mixing units 201 and the multiple warm and cool mixing units 202 are arranged at intervals and alternately, and the multiple RGB mixing units 201 and the multiple warm and cool mixing units 202 are arranged in a rotationally symmetrical manner with respect to the center of the chip module 20. This arrangement allows each multi-color chip to mix light with the warm light chip 211 and the cool white light chip in its circumference, achieving the light mixing effect of the light-emitting device. This eliminates the need for a mixing cavity and simplifies the structure of the light-emitting device.

[0045] Furthermore, combined Figure 3 On the substrate 10 of this embodiment, all RGB mixing units 201 include multiple independently arranged first mixing units 2201 and second mixing units 2202. Each first mixing unit 2201 and second mixing unit 2202 includes multiple RGB chipsets that are spaced apart and arranged in a circumferentially closed manner.

[0046] In this embodiment, the radial sizes of the plurality of first light mixing units 2201 and the plurality of second light mixing units 2202 are all different, that is, all the RGB light mixing units 201 on the substrate 10 include a plurality of first light mixing units 2201 and a plurality of second light mixing units 2202 with different diameters.

[0047] In this embodiment, each first light mixing unit 2201 has a set of warm and cool chip groups 21 between two adjacent RGB chip groups, so that the first light mixing unit 2201 and multiple warm and cool chip groups 21 constitute a first light mixing submodule 2011; each second light mixing unit 2202 has a warm light chip 211 or a cool light chip 212 between two adjacent RGB chip groups, and the warm light chip 211 and the cool light chip 212 are arranged alternately, so that the second light mixing unit 2202 and multiple cool light chips 212 and multiple warm light chips 211 constitute a second light mixing submodule 2012.

[0048] In this embodiment, the outer contours of the first light mixing sub-module 2011 and the second light mixing sub-module 2012 on the substrate 10 are both circular, and the first light mixing sub-module 2011 and the second light mixing sub-module 2012 are arranged concentrically. Multiple first light mixing sub-modules 2011 and multiple second light mixing sub-modules 2012 are arranged at intervals, and the first light mixing sub-modules 2011 and the second light mixing sub-modules 2012 are staggered. A set of warm and cool light mixing units 202 is arranged between the first light mixing sub-modules 2011 and the second light mixing sub-modules 2012.

[0049] This configuration allows each RGB mixing unit 201 to mix light not only with the warm and cool chipset 21 in its circumferential warm and cool mixing unit 202, but also with the warm and cool chipset 21, warm light chip 211, or cool light chip 212 on its sides, thereby further enhancing the mixing effect, improving light performance, and ensuring the user experience.

[0050] See Figures 6 to 8 An embodiment of this application also provides a light source module 1000, including the light-emitting element 100 described above. The specific structure of the light-emitting element 100 has been described above and will not be repeated here.

[0051] In this embodiment, the light source module 1000 further includes a heat sink 200 and a diffuser lens 300. The substrate 10 of the light-emitting element 100 is fixed to the top of the heat sink 200, the diffuser lens 300 is disposed on the side of the substrate 10 away from the heat sink 200, and the chip module 20 is disposed facing the diffuser lens 300.

[0052] The light source module 1000 in this embodiment also includes a support frame 400. The support frame 400 is open at both ends and hollow inside. The two ends of the support frame 400 with openings are a large opening end 401 and a small opening end 402, respectively. The small opening end 402 of the support frame 400 is fixed to the surface of the substrate 10, so that the chip module 20 is correspondingly arranged inside the support frame 400, and the diffuser lens 300 is fixed to the large opening end 401 of the support frame 400.

[0053] In the light source module 1000 of this embodiment, the warm light chip 211, cold light chip 212, red light chip 221, green light chip 222 and blue light chip 223 in the light-emitting element 100 are arranged and packaged on the substrate 10 in a certain way and arrangement density to form a light mixing unit, so that different light-emitting chips can mix light, thereby eliminating the setting of the light mixing cavity in the light source module 1000, simplifying the structure of the light source module 1000, reducing light loss, improving light efficiency, and ensuring the user's experience.

[0054] In addition, the light source module 1000 also includes a cooling fan 500, which is fixed to the side of the heat sink 200. In this embodiment, the heat sink 200 can be composed of multiple metal heat sinks arranged in a staggered pattern. The cooling fan 500, fixed to the side of the heat sink 200, allows airflow generated by the cooling fan to pass through the gaps between the metal heat sinks, thereby improving the overall heat dissipation of the light source module 1000. Simultaneously, due to the light mixing effect of the light-emitting element 100, the light source module 1000 can eliminate the need for a light mixing cavity, thus eliminating the need for a heat dissipation structure for the light mixing cavity, further simplifying the overall structure of the light source module 1000.

[0055] In the light-emitting element and light source module of this embodiment, the RGB mixing unit and the warm and cool mixing unit are arranged concentrically in the light-emitting element. Multiple RGB mixing units and multiple warm and cool mixing units are arranged alternately and staggered, and the multiple RGB mixing units and multiple warm and cool mixing units are rotationally symmetrical about the center of the chip module. This makes all RGB chipsets, warm light chips and cool light chips more evenly distributed on the substrate, so that different light colors can be fully mixed to achieve a good light mixing effect. Therefore, the light mixing effect can be met without the need for an additional light mixing cavity structure in the light source module, thereby simplifying the structure of the light source module, reducing light loss caused by multiple reflections through the light mixing cavity, improving light efficiency, and ensuring the user experience.

[0056] Although the invention has been described with reference to several typical embodiments, it should be understood that the terminology used is illustrative and exemplary, and not restrictive. Since the invention can be embodied in many forms without departing from the spirit or essence of the invention, it should be understood that the above embodiments are not limited to any of the foregoing details, but should be interpreted broadly within the spirit and scope defined by the appended claims. Therefore, all variations and modifications falling within the scope of the claims or their equivalents should be covered by the appended claims.

Claims

1. A light-emitting element, characterized in that, The device includes a substrate and a chip module disposed on the substrate. The chip module includes a warm light chip, a cool light chip, and an RGB chip group. The RGB chip group includes a red light chip, a green light chip, and a blue light chip. An RGB mixing unit is formed by multiple RGB chip groups spaced apart and arranged in a ring; the warm light chip and the cool light chip are arranged adjacently to form a warm and cool chip group, and the warm and cool chip groups are spaced apart and arranged in a ring to form a warm and cool mixing unit. The substrate is provided with at least two RGB mixing units and at least two warm and cool mixing units. The RGB mixing units and the warm and cool mixing units are arranged concentrically. Multiple RGB mixing units and multiple warm and cool mixing units are arranged at intervals and in an alternating manner, and each RGB mixing unit and each warm and cool mixing unit is rotationally symmetrical about the center of the chip module. The RGB mixing unit on the substrate includes multiple independently arranged first mixing units and second mixing units. Both the first mixing unit and the second mixing unit include multiple RGB chipsets that are spaced apart and arranged in a circumferentially closed manner. In each of the first light mixing units, a set of warm and cool chip groups is provided between two adjacent RGB chip groups, so that the first light mixing unit and the multiple warm and cool chip groups constitute a first light mixing submodule. In each of the second light mixing units, a warm light chip or a cold light chip is provided between two adjacent RGB chip groups. The warm light chips and the cold light chips are arranged alternately so that the second light mixing unit, together with a plurality of cold light chips and a plurality of warm light chips, constitutes a second light mixing submodule.

2. The light-emitting element according to claim 1, characterized in that, The outer contour of the chip module is circular, and a set of RGB chips is arranged at the center of the chip module.

3. The light-emitting element according to claim 1, characterized in that, The outer contour of the RGB mixing unit is circular.

4. The light-emitting element according to claim 1, characterized in that, The outer contour of the warm and cool light mixing unit is square or circular.

5. The light-emitting element according to claim 1, characterized in that, The first and second light mixing sub-modules are arranged concentrically, and multiple first and second light mixing sub-modules are arranged at intervals and in an alternating manner; a set of warm and cool light mixing units is arranged between the first and second light mixing sub-modules.

6. The light-emitting element according to claim 1, characterized in that, Each of the RGB chipsets includes two red light chips, one green light chip, and one blue light chip, with the two red light chips arranged opposite each other, and the green light chip and the blue light chip arranged opposite each other.

7. A light source module, characterized in that, The light source module includes a light-emitting element as described in any one of claims 1-6, and further includes a heat sink and a diffuser lens; the substrate of the light-emitting element is fixed to the top of the heat sink, the diffuser lens is disposed on the side of the substrate away from the heat sink, and the chip module is disposed facing the diffuser lens.

8. The light source module according to claim 7, characterized in that, The light source module also includes a support frame, which is open at both ends and hollow inside. The two ends of the support frame with openings are a large opening end and a small opening end, respectively. The small opening end is fixed to the surface of the substrate, so that the chip module is correspondingly arranged inside the support frame, and the diffuser lens is fixed to the large opening end of the support frame.

9. The light source module according to claim 8, characterized in that, The light source module also includes a cooling fan, which is fixed to the side of the heat sink.

Images