Light guide structure and light-emitting device
By combining protrusions and slots on the inner wall of the light guide column and the through hole, the problem of a fixed distance between the light guide column and the lamp bead in the light guide structure is solved, enabling multiple distance options and improving light uniformity and lighting display effect.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- SHENZHEN H&T INTELLIGENT CONTROL
- Filing Date
- 2025-03-27
- Publication Date
- 2026-05-12
AI Technical Summary
When existing light guide structures are installed on light-emitting devices, the distance between the light guide column and the LED beads remains constant, resulting in poor light display effects and uneven light.
By setting a first protrusion and a second protrusion on the inner sidewall of the light guide post and the through hole, and setting a slot on the other one, the protrusions can be spaced apart along the axial direction and locked into the slot, thereby adjusting the distance between the light guide post and the lamp bead and realizing multiple distance selections.
By adjusting the distance between the light guide column and the LED beads, the uniformity of the light is improved, thereby enhancing the display effect of the light.
Smart Images
Figure CN224229821U_ABST
Abstract
Description
Technical Field
[0001] This application relates to the field of light guide structure technology, and in particular to a light guide structure and a light-emitting device. Background Technology
[0002] Existing light-emitting devices typically have a light-guiding structure. The light guide column in the light-guiding structure can guide the direction of light illumination, making the light emitted by the light-emitting device more uniform.
[0003] During the implementation of this application embodiment, the inventors discovered that when the existing light guide structure is installed on the light-emitting device, the distance between the light guide column in the light guide structure and the lamp bead in the light-emitting device is fixed, which is not conducive to adjusting the light display effect of the light-emitting device. Utility Model Content
[0004] The main technical problem solved by the embodiments of this application is to provide a light guide structure and a light-emitting device that can adjust the distance between the light guide column and the lamp bead, thereby improving the uniformity of light and enhancing the display effect of the light.
[0005] In a first aspect, embodiments of this application provide a light-emitting device, including a base and a light guide post. The base is provided with a through hole. At least a portion of the light guide post is inserted into the through hole. One of the inner sidewalls of the light guide post and the through hole is provided with a first protrusion and a second protrusion, and the other is provided with a slot. Along the axial direction of the light guide post, the first protrusion and the second protrusion are spaced apart, and either the first protrusion or the second protrusion is engaged with the slot.
[0006] In some embodiments, one of the inner sidewalls of the light guide post and the through hole is further provided with a third protrusion. The first protrusion, the second protrusion and the third protrusion are distributed at intervals along the axial direction of the light guide post, and any one of the first protrusion, the second protrusion and the third protrusion is engaged in the slot.
[0007] In some embodiments, the first protrusion, the second protrusion, and the third protrusion are all disposed on the light guide post. Along the axial direction of the light guide post, the light guide post includes a first end and a second end opposite to each other. The first protrusion is closer to the first end than the third protrusion. The distance between the first end and the first protrusion is different from the distance between the second end and the third protrusion.
[0008] In some embodiments, the distance between the second protrusion and the first end and the distance between the second protrusion and the second end are different along the axial direction of the light guide post.
[0009] In a second aspect, embodiments of this application provide a light guide structure, including a base and a light guide post. The base is provided with a through hole. At least a portion of the light guide post is inserted into the through hole. One of the inner sidewalls of the light guide post and the through hole is provided with a first protrusion, and the other is provided with a plurality of slots. The plurality of slots are spaced apart along the axial direction of the light guide post, and the first protrusion is engaged with any of the slots.
[0010] In a third aspect, embodiments of this application provide a light guide structure, including a base and a light guide post. The base is provided with a through hole, and the inner sidewall of the through hole is provided with an internal thread. The light guide post is provided with an external thread, and the light guide post is screwed into the through hole through the external thread and the internal thread.
[0011] In a fourth aspect, embodiments of this application provide a light-emitting device, including a circuit board, a mounting bracket, a cover, and the aforementioned light-guiding structure. The mounting bracket is provided with mounting holes, the light-guiding structure is housed in the mounting holes, the circuit board is disposed at one end of the mounting bracket, the cover is disposed at the other end of the mounting bracket, the circuit board is provided with LED beads, a base is mounted on the circuit board, and the LED beads are at least partially exposed through the through holes.
[0012] In some embodiments, the light-emitting device includes a diffuser sheet disposed between the faceplate and the mounting bracket, the diffuser sheet covering the mounting hole.
[0013] In some embodiments, the light-emitting device includes a light guide ring, the mounting bracket is provided with an annular groove, the light guide ring is inserted into the annular groove, and when viewed along the axial direction of the light guide post, the annular groove surrounds the mounting hole.
[0014] In some embodiments, the base is provided with pins, the circuit board is provided with holes, and the pins are inserted into the holes.
[0015] The beneficial effects of this application embodiment are as follows: Unlike the prior art, in this application embodiment, a first protrusion and a second protrusion are provided on one of the inner sidewalls of the light guide post and the through hole, and a slot is provided on the other side. The first protrusion and the second protrusion are distributed at intervals along the axial direction of the light guide post. Either the first protrusion or the second protrusion can be engaged in the slot, thereby fixing the light guide post to the base. When the first protrusion is engaged in the slot, the distance between the light guide post and the lamp bead is a first distance. When the second protrusion is engaged in the slot, the distance between the light guide post and the lamp bead is a second distance. Therefore, the user can at least choose between the first distance and the second distance, which is beneficial to improve the uniformity of light and thus improve the display effect of the light. Attached Figure Description
[0016] To more clearly illustrate the technical solutions in the specific embodiments of this application or the prior art, the accompanying drawings used in the description of the specific embodiments or the prior art will be briefly introduced below. In all the drawings, similar elements or parts are generally identified by similar reference numerals. In the drawings, the elements or parts are not necessarily drawn to scale.
[0017] Figure 1 This is a schematic diagram of the light guide structure provided in Embodiment 1 of this application;
[0018] Figure 2This is an exploded view of the light guide structure provided in Embodiment 1 of this application;
[0019] Figure 3 This is a schematic diagram of the light guide structure and circuit board provided in Embodiment 1 of this application;
[0020] Figure 4 When the first end faces the LED bead and the first protrusion is engaged in the slot, along... Figure 3 A schematic diagram of the local structure after a section cut by AA.
[0021] Figure 5 When the second end faces the LED and the third protrusion is engaged in the slot, along... Figure 3 A schematic diagram of the local structure after a section cut by AA.
[0022] Figure 6 This is a schematic diagram of the light guide structure provided in Embodiment 2 of this application;
[0023] Figure 7 This is a schematic diagram of the structure of the light-emitting device provided in the embodiments of this application;
[0024] Figure 8 This is an exploded view of the light-emitting device provided in the embodiments of this application. Detailed Implementation
[0025] To facilitate understanding of this application, a more detailed description is provided below with reference to the accompanying drawings and specific embodiments. It should be noted that when an element is described as being "fixed to" another element, it can be directly on the other element, or one or more intermediate elements may exist between them. When an element is described as being "connected" to another element, it can be directly connected to the other element, or one or more intermediate elements may exist between them. The terms "upper," "lower," "inner," "outer," "vertical," "horizontal," etc., used in this specification indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are used only 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. Therefore, they should not be construed as limitations on this application. Furthermore, the terms "first," "second," etc., are used for descriptive purposes only and should not be construed as indicating or implying relative importance.
[0026] Unless otherwise defined, all technical and scientific terms used in this specification have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs. The terminology used in this specification is for the purpose of describing particular embodiments only and is not intended to limit the scope of the application. The term "and / or" as used in this specification includes any and all combinations of one or more of the associated listed items.
[0027] Furthermore, the technical features involved in the different embodiments of this application described below can be combined with each other as long as they do not conflict with each other.
[0028] Example 1
[0029] Please see Figure 1 , Figure 2 and Figure 4 The light guide structure 1 includes a base 11 and a light guide post 12. The base 11 has a through hole 111, and at least a portion of the light guide post 12 is inserted into the through hole 111. The base 11 is used to fix the circuit board 2 on which at least one LED bead 21 is disposed. When the base 11 is fixed to the circuit board 2, at least a portion of the LED bead 21 is exposed through the through hole 111, so that the light emitted by the LED bead 21 can be emitted from the through hole 111 through the light guide post 12. The light guide post 12 is used to guide the direction of the light, making the light more uniform. One of the inner sidewalls of the light guide post 12 and the through hole 111 is provided with a first protrusion 121 and a second protrusion 122, and the other is provided with a slot 112. The first protrusion 121 and the second protrusion 122 are distributed at intervals along the axial direction of the light guide post 12. Either the first protrusion 121 and the second protrusion 122 can be engaged with the slot 112, thereby fixing the light guide post 12 to the base 11. Specifically, when the first protrusion 121 is engaged with the slot 112, the distance between the light guide post 12 and the LED bead 21 on the circuit board 2 is the first distance; when the second protrusion 122 is engaged with the slot 112, the distance between the light guide post 12 and the LED bead 21 is the second distance, and the first and second distances are different. Therefore, after assembling the light guide structure 1 onto the circuit board 2, if the light display effect is poor or the light is uneven, the user can adjust the distance between the light guide post 12 and the LED bead 21 to a distance that provides a better light effect based on the actual light effect, which is beneficial to improving the light display effect and increasing the uniformity of light passing through the light guide post 12.
[0030] For example, after assembling the light guide structure 1 onto the circuit board 2, if the first protrusion 121 is engaged in the slot 112, that is, when the distance between the light guide column 12 and the lamp bead 21 is the first distance, the light display effect is poor and the light is uneven when passing through the light guide column 12. Then, the second protrusion 122 can be engaged in the slot 112, that is, the distance between the light guide column 12 and the lamp bead 21 can be adjusted to the second distance, thereby realizing the adjustment of the distance between the lamp bead 21 and the light guide column 12, improving the light display effect and enhancing the uniformity of the light.
[0031] In some embodiments, one of the inner sidewalls of the light guide post 12 and the through hole 111 is provided with a third protrusion 123. Along the axial direction of the light guide post 12, the first protrusion 121, the second protrusion 122, and the third protrusion 123 are spaced apart. Any one of the first protrusion 121, the second protrusion 122, and the third protrusion 123 can be engaged in the slot 112. When the third protrusion 123 is engaged in the slot 112, the distance between the light guide post 12 and the LED bead 21 is a third distance. The first, second, and third distances are all different. By providing the third protrusion 123, the distance between the light guide post 12 and the LED bead 21 can be adjusted to the third distance. That is, the user can choose to adjust the distance between the light guide post 12 and the LED bead 21 to one of the first, second, and third distances according to the lighting effect, and select the distance with the best lighting display effect, which helps to improve the uniformity of light and thus improve the lighting display effect.
[0032] In some embodiments, referring to the figures, the first protrusion 121, the second protrusion 122, and the third protrusion 123 are all disposed on the sidewall of the light guide post 12, and are spaced apart along the axial direction of the light guide post 12. The slot 112 is disposed on the inner sidewall of the through hole 111. It is understood that, not shown in the figures, the first protrusion 121, the second protrusion 122, and the third protrusion 123 may also be disposed on the inner sidewall of the through hole 111, and are spaced apart along the axial direction of the through hole 111. The slot 112 is disposed on the outer sidewall of the light guide post 12. In this embodiment, the first protrusion 121, the second protrusion 122, and the third protrusion 123 being disposed on the light guide post 12 will be described in detail as an example.
[0033] In some embodiments, the first protrusion 121, the second protrusion 122 and the third protrusion 123 are all disposed around the outer sidewall of the light guide post 12, and the slot 112 is disposed around the inner sidewall of the through hole 111.
[0034] In some embodiments, along the axial direction of the light guide post 12, the second protrusion 122 is located between the first protrusion 121 and the third protrusion 123.
[0035] In some embodiments, please refer to Figure 4 and Figure 5 Along the axial direction of the light guide post 12, the light guide post 12 includes a first end 124 and a second end 125 opposite to each other, with the first protrusion 121 closer to the first end 124 than the third protrusion 123. It is worth noting that the light guide post 12 can be installed on the base 11 in two orientations, one of which is with the first end 124 facing the LED bead 21 and the second end 125 away from the LED bead 21, such as... Figure 4As shown, in this case, the first end 124 is the light-incident surface of the light guide post 12, and the second end 125 is the light-exit surface of the light guide post 12; another configuration is that the second end 125 faces the LED bead 21, and the first end 124 is away from the LED bead 21, as shown. Figure 5 As shown, at this time, the second end 125 is the light-incident surface of the light guide post 12, and the first end 124 is the light-exit surface of the light guide post 12. Specifically, when the first end 124 is oriented towards the LED bead 21 and the first protrusion 121 is engaged with the slot 112, the distance between the light guide post 12 and the LED bead 21 is the first distance mentioned above; when the first end 124 is oriented towards the LED bead 21 and the second protrusion 122 is engaged with the slot 112, the distance between the light guide post 12 and the LED bead 21 is the second distance mentioned above; and when the first end 124 is oriented towards the LED bead 21 and the third protrusion 123 is engaged with the slot 112, the distance between the light guide post 12 and the LED bead 21 is the third distance mentioned above.
[0036] It should be noted that the distance between the LED bead 21 and the light guide post 12 mentioned in this application refers to the distance between the light-incident surfaces of the LED bead 21 and the light guide post 12.
[0037] In some embodiments, please refer to Figure 4 and Figure 5 The distance between the first protrusion 121 and the second protrusion 122 is different from the distance between the second protrusion 122 and the third protrusion 123. Therefore, when the second end 125 faces the lamp bead 21 and the third protrusion 123 is engaged in the slot 112, the distance between the light guide post 12 and the lamp bead 21 is the fourth distance. The fourth distance can be different from the first distance. That is to say, the distance between the lamp bead 21 and the light guide post 12 can be selected from at least the first distance, the second distance, the third distance and the fourth distance, which is conducive to further improving the uniformity of light and thus improving the display effect of the light.
[0038] In some embodiments, please refer to Figure 4 and Figure 5 Along the axial direction of the light guide post 12, the distance between the second protrusion 122 and the first end 124 is different from the distance between the second protrusion 122 and the second end 125. Therefore, when the second end 125 is set towards the lamp bead 21, the distance between the light guide post 12 and the lamp bead 21 is the fifth distance. Moreover, the second distance and the fifth distance can be different. That is to say, the distance between the lamp bead 21 and the light guide post 12 can be selected from at least the first distance, the second distance, the third distance, the fourth distance and the fifth distance, which is conducive to further improving the uniformity of light and thus improving the display effect of the light.
[0039] Further, please refer to Figure 4 and Figure 5Along the axial direction of the light guide post 12, the distance between the first protrusion 121 and the second end 125 and the distance between the third protrusion 123 and the first end 124 are different. Therefore, when the second end 125 faces the lamp bead 21 and the third protrusion 123 is engaged in the slot 112, the distance between the light guide post 12 and the lamp bead 21 is the sixth distance, and the sixth distance can be different from the third distance mentioned above. That is to say, the distance between the lamp bead 21 and the light guide post 12 can be selected from at least the first distance, the second distance, the third distance, the fourth distance, the fifth distance and the sixth distance, which is conducive to further improving the uniformity of light and thus improving the display effect of the light.
[0040] In this embodiment, one of the inner sidewalls of the light guide post 12 and the through hole 111 is provided with a first protrusion 121 and a second protrusion 122, and the other is provided with a slot 112. The first protrusion 121 and the second protrusion 122 are distributed at intervals along the axial direction of the light guide post 12. Either the first protrusion 121 or the second protrusion 122 can be engaged with the slot 112, thereby fixing the light guide post 12 to the base 11. When the first protrusion 121 is engaged with the slot 112, the distance between the light guide post 12 and the lamp bead 21 is a first distance. When the second protrusion 122 is engaged with the slot 112, the distance between the light guide post 12 and the lamp bead 21 is a second distance. Therefore, the user can at least choose between the first distance and the second distance, which is beneficial to improve the uniformity of light and thus improve the display effect of the light.
[0041] Example 2
[0042] Please refer to Figure 6 The difference between Embodiment 2 and the above embodiment is that one of the inner sidewalls of the light guide post 12 and the through hole 111 is provided with a first protrusion 121, and the other is provided with multiple slots 112. The multiple slots 112 are distributed at intervals along the axial direction of the light guide post 12. The first protrusion 121 can be engaged in any slot 112. When the first protrusion 121 is engaged in different slots 112, the distance between the light guide post 12 and the lamp bead 21 is different. Therefore, the distance between the light guide post 12 and the lamp bead 21 can be adjusted by engaging the first protrusion 121 in different slots 112, which is beneficial to improve the uniformity of light and thus improve the display effect of the light.
[0043] In some embodiments, the distance between the first protrusion 121 and the first end 124 is different from the distance between the first protrusion 121 and the second end 125. Therefore, when the first protrusion 121 is engaged in the same slot 112, the distance between the light guide column 12 and the light bead 21 is different when the first end 124 faces the light bead 21 and when the second end 125 faces the light bead 21. This can increase the range of distance adjustment between the light guide column 12 and the light bead 21, which is beneficial to further improve the uniformity of light and thus improve the display effect of the light.
[0044] The first protrusion 121 is disposed on the side wall of the light guide post 12, and the plurality of slots 112 are disposed on the inner side wall of the through hole 111, and are spaced apart along the axial direction of the through hole 111. It can be understood that, not shown in the figure, the first protrusion 121 may also be disposed on the inner side wall of the through hole 111, and the plurality of slots 112 may be disposed on the outer side wall of the light guide post 12, and are spaced apart along the axial direction of the light guide post 12.
[0045] Example 3
[0046] The difference between Embodiment 3 and the above embodiments is that the inner wall of the through hole 111 is provided with an internal thread (not shown in the figure), and the light guide post 12 is provided with an external thread (not shown in the figure). The light guide post 12 is screwed into the through hole 111 through the cooperation between the external thread and the internal thread, so that the distance between the light guide post 12 and the lamp bead 21 can be adjusted, which is beneficial to improve the uniformity of light and thus improve the display effect of the light.
[0047] This application also provides 100 embodiments of light-emitting devices; please refer to [link to relevant documentation]. Figure 7 and Figure 8 The light-emitting device 100 includes a mounting frame 3, a cover 4, the aforementioned circuit board 2, and the aforementioned light guide structure 1. The mounting frame 3 is provided with a mounting hole 31, and the light guide structure 1 is housed in the mounting hole 31. The circuit board 2 is disposed at one end of the mounting frame 3, and the cover 4 is disposed at the other end of the mounting frame 3. The circuit board 2 covers one end of the mounting hole 31, and the cover 4 covers the other end of the mounting hole 31. The circuit board 2 is provided with an LED bead 21, and the base 11 is mounted on the circuit board 2. At least part of the LED bead 21 is exposed through the through hole 111, so that at least part of the light emitted by the LED bead 21 can enter the through hole 111 and pass through the light guide post 12 and the cover 4 in sequence before being emitted to the outside.
[0048] In some embodiments, the mounting bracket 3 is made of a non-transparent material, and the cover 4 is made of a transparent material so that light can pass through the cover 4 and shine to the outside.
[0049] In some embodiments, the light-emitting device 100 includes a diffuser 5 disposed between the cover 4 and the mounting bracket 3, and the diffuser 5 covers the mounting hole 31. The diffuser 5 can diffuse the light, thereby making the light more uniform and improving the display effect of the light.
[0050] In some embodiments, the light-emitting device 100 includes a light guide ring 6, and the mounting bracket 3 is provided with an annular groove 32. Viewed along the axial direction of the light guide post 12, the annular groove 32 surrounds the mounting hole 31, and the light guide ring 6 is inserted into the annular groove 32. A plurality of LED beads 21 are provided on the circuit board 2, wherein at least some of the LED beads 21 are exposed to the annular groove 32, so that at least some of the light can pass through the light guide ring 6 and the cover 4 in sequence and be emitted to the outside. The light guide ring 6 is used to guide the direction of the light, thereby making the light passing through the light guide ring 6 more uniform, which is beneficial to improving the display effect of the light.
[0051] In some embodiments, please refer to Figure 2 and Figure 8 The base 11 is provided with a plug pin 113, and the circuit board 2 is provided with a socket 22. The plug pin 113 is plugged into the socket 22, thereby realizing the installation and fixation between the base 11 and the circuit board 2.
[0052] In some embodiments, the base 11 is provided with two plug pins 113 and the circuit board 2 is provided with two sockets 22. One plug pin 113 is plugged into one socket 22, thereby improving the stability of the connection between the base 11 and the circuit board 2.
[0053] In some embodiments, the mounting bracket 3 is provided with a plurality of light-transmitting holes 33, which are arranged in a ring around the mounting hole 31. Viewed along the axial direction of the light guide post 12, the plurality of light-transmitting holes 33 are located between the annular groove 32 and the mounting hole 31, and the plurality of light-transmitting holes 33 penetrate the mounting bracket 3. The aforementioned diffuser 5 and cover 4 both cover each light-transmitting hole 33. Each light-transmitting hole 33 has at least one corresponding LED bead 21, which is exposed in the corresponding light-transmitting hole 33, so that at least part of the light passes through each light-transmitting hole 33 and is emitted to the outside after passing through the diffuser 5 and the cover 4 in sequence.
[0054] In this embodiment, by setting mounting holes 31 in the mounting bracket 3, the circuit board 2 and the cover 4 are respectively set at both ends of the mounting bracket 3, and the circuit board 2 and the cover 4 respectively cover both ends of the mounting holes 31, and the light guide structure 1 is set in the mounting holes 31, so that the lamp beads 21 on the circuit board 2 can be emitted to the outside through the light guide structure 1 and the cover 4, which is beneficial to improve the uniformity of light and improve the lighting display effect.
[0055] The above description is merely an embodiment of this application and does not limit the patent scope of this application. Any equivalent structural or procedural transformations made using the content of this application's specification and drawings, or direct or indirect applications in other related technical fields, are similarly included within the patent protection scope of this application.
Claims
1. A light guiding structure, characterized in that, include: The base has through holes; The light guide post is at least partially inserted into the through hole; One of the light guide post and the inner sidewall of the through hole is provided with a first protrusion and a second protrusion, and the other is provided with a slot. The first protrusion and the second protrusion are distributed at intervals along the axial direction of the light guide post, and either the first protrusion or the second protrusion is engaged with the slot.
2. The light guide structure according to claim 1, characterized in that, One of the light guide post and the inner sidewall of the through hole is further provided with a third protrusion. The first protrusion, the second protrusion and the third protrusion are distributed at intervals along the axial direction of the light guide post, and any one of the first protrusion, the second protrusion and the third protrusion is engaged with the slot.
3. The light guide structure according to claim 2, characterized in that, The first protrusion, the second protrusion, and the third protrusion are all disposed on the light guide post. Along the axial direction of the light guide post, the light guide post includes a first end and a second end opposite to each other. The first protrusion is closer to the first end than the third protrusion. The distance between the first end and the first protrusion is different from the distance between the second end and the third protrusion.
4. The light guide structure according to claim 3, characterized in that, Along the axial direction of the light guide post, the distance between the second protrusion and the first end is different from the distance between the second protrusion and the second end.
5. A light guiding structure, characterized in that, include: The base has through holes; The light guide post is at least partially inserted into the through hole; One of the light guide post and the inner sidewall of the through hole is provided with a first protrusion, and the other is provided with multiple slots. The multiple slots are distributed at intervals along the axial direction of the light guide post, and the first protrusion is engaged with any of the slots.
6. A light-emitting device, characterized in that, The device includes a circuit board, a mounting bracket, a faceplate, and a light guide structure as described in any one of claims 1-5. The mounting bracket has a mounting hole, the light guide structure is received in the mounting hole, the circuit board is disposed at one end of the mounting bracket, the faceplate is disposed at the other end of the mounting bracket, the circuit board has LED beads, the base is mounted on the circuit board, and the LED beads are at least partially exposed through the through hole.
7. The light-emitting device according to claim 6, characterized in that, The light-emitting device includes a diffuser sheet disposed between the faceplate and the mounting bracket, and the diffuser sheet covers the mounting hole.
8. The light-emitting device according to claim 6, characterized in that, The light-emitting device includes a light guide ring, and the mounting bracket is provided with an annular groove. The light guide ring is inserted into the annular groove. When viewed along the axial direction of the light guide post, the annular groove surrounds the mounting hole.
9. The light-emitting device according to claim 6, characterized in that, The base is provided with plug pins, and the circuit board is provided with sockets, with the plug pins plugged into the sockets.