Lamp strip structure

Abstract

The utility model discloses a lamp strip structure. The lamp strip structure comprises a light-transmitting part, a light-shading part, a wire and a capsule light-scattering part, the light-transmitting part is provided with a containing cavity in the length direction, the wire is arranged in the containing cavity, a plurality of lamp beads are evenly distributed on the wire, the lamp beads are wrapped by the capsule light-scattering part, the light-shading part is connected to the light-transmitting part, and the capsule light-scattering part is connected to the light-transmitting part. And light emitted by the lamp beads is diffused by the capsule light diffusing part and is emitted out along the light transmitting part. Light rays emitted by the lamp beads can be fully and uniformly diffused in the length direction of the whole lamp strip, and dark areas generated due to the fact that the light rays cannot fully cover the adjacent lamp beads are avoided; and meanwhile, the light spot phenomenon is effectively eliminated.

Description

Technical Field

[0001] This utility model relates to the field of LED strip technology, and in particular to an LED strip structure. Background Technology

[0002] Currently, common LED strip structures primarily use flexible printed circuit boards (FPCs) containing conductive materials or rigid circuit boards as a substrate. Multiple light-emitting diodes (LEDs) are evenly arranged at certain intervals on the circuit board, and then the LEDs and circuitry are encapsulated and protected using encapsulation materials, forming a strip-shaped lighting product with a certain degree of flexibility and waterproof / dustproof properties. This basic structure not only achieves the basic lighting function of LED strips but also allows for their application in various environments.

[0003] However, in practical applications, existing LED strip structures have gradually revealed a prominent problem: dark areas and light spots easily exist between LED chips. The root cause of this problem lies primarily in the light-emitting characteristics of the LED chips themselves and the limitations of the LED strip structure. As a point light source, LED chips have a relatively fixed emission angle, with light radiating outwards from the chip as the center. When multiple chips are arranged at a certain interval on the LED strip, it is difficult to achieve seamless connection between the emitting areas of adjacent chips. This results in a significant reduction in light intensity at the edges covered by adjacent chips, creating dark areas. Simultaneously, due to factors such as chip packaging technology, circuit board flatness, and the optical properties of packaging materials, light may undergo irregular refraction, reflection, and scattering during propagation, causing excessive light concentration in some areas and forming noticeable light spots.

[0004] The presence of dark areas and light spots has a significant negative impact on the lighting effect of LED strips. In lighting scenarios, dark areas lead to uneven brightness in the illuminated area, resulting in obvious alternations between light and dark, disrupting the overall continuity and comfort of the lighting. For example, in interior decorative lighting, dark areas may prevent parts of walls or decorations from being fully illuminated, affecting the complete presentation of the decorative effect; in landscape lighting, dark areas will damage the overall visual aesthetics of the landscape, failing to achieve the intended lighting design goals. Light spots, on the other hand, will cause localized overbrightness in the illuminated area, causing not only visual discomfort but also glare, reducing people's experience of the lighting environment. In addition, the presence of light spots and dark areas may also reduce the overall luminous efficiency of the LED strip, as some light fails to effectively illuminate the target area, resulting in energy waste.

[0005] To address the issues of dark areas and light spots between LED chips in existing LED strip structures, the industry has undertaken a series of explorations and attempts. For example, some manufacturers have reduced dark areas by increasing the density of LED chip arrangement. However, this method not only increases the manufacturing cost of the LED strip but also leads to increased heat generation during operation, placing higher demands on the heat dissipation performance and increasing the difficulty and cost of heat dissipation design. Other technical solutions attempt to redistribute light using special encapsulation materials or optical lenses, but these solutions often suffer from complex processes, high costs, and adverse effects on the overall flexibility and ease of installation of the LED strip, making large-scale market adoption difficult.

[0006] Therefore, developing a new type of LED strip structure that can effectively solve the problems of dark areas and light spots between LED chips without significantly increasing costs and complexity is of great practical significance for improving the lighting quality of LED strips, expanding their application range, and promoting the further development of lighting technology. Utility Model Content

[0007] The purpose of this invention is to overcome the shortcomings of the prior art and provide a light strip structure.

[0008] To solve the above-mentioned technical problems, the present invention adopts the following technical solution:

[0009] This utility model provides a light strip structure, including: a light-transmitting component, a light-shielding component, a wire, and a capsule-shaped light-diffusing component. The light-transmitting component has a receiving cavity along its length direction. The wire is disposed in the receiving cavity and a plurality of LED beads are evenly distributed on the wire. The capsule-shaped light-diffusing component wraps around the LED beads. The light-shielding component is connected to the light-transmitting component. The light emitted by the LED beads is diffused by the capsule-shaped light-diffusing component and emitted along the light-transmitting component.

[0010] In one specific embodiment, a reflective sheet is provided at the bottom of the receiving cavity, and the wire is located on the upper surface of the reflective sheet.

[0011] In one specific embodiment, the capsule diffuser consists of an upper shell and a lower shell, and the upper shell and the lower shell are folded together.

[0012] In one specific embodiment, the light-transmitting element has a filter layer in the peripheral area of ​​the receiving cavity.

[0013] In one specific embodiment, the light-transmitting element is further provided with a light-diffusing layer above the light-filtering layer.

[0014] In one specific embodiment, the astigmatism layer has at least one reflective cavity.

[0015] In one specific embodiment, the cavity wall of the reflective cavity is provided with an uneven textured layer.

[0016] In one specific embodiment, the light-transmitting element has first serrations on both sides, and the light-shielding element has second serrations corresponding to the first serrations.

[0017] In one specific embodiment, the bottom of the light-transmitting element is further provided with a third serration, and the light-shielding element is provided with a fourth serration corresponding to the third serration.

[0018] In one specific embodiment, the top of the light-shielding member is provided with a protruding end, and the light-transmitting member is provided with a groove corresponding to the protruding end.

[0019] The advantages of this LED strip structure compared to existing technologies are as follows: By evenly distributing several LED beads in the conductor, and each LED bead being encased in a capsule-shaped diffuser, the diffuser can evenly scatter the light emitted by the LED beads. Through the scattering effect of the capsule diffuser, the light is more evenly distributed across the light-transmitting element, thus avoiding dark areas between adjacent LED beads caused by insufficient light coverage, resulting in a more uniform and continuous overall light emission of the LED strip. Furthermore, the scattering effect of the capsule diffuser on the light from the LED beads causes the light to emerge from multiple directions, changing the original concentrated propagation direction of the light. When the light shines on… Unlike traditional light strips that produce noticeable shadows on objects or surfaces due to the point light source characteristics of the LED beads, light is diffused and illuminates the surrounding environment in a softer and wider manner, effectively eliminating shadows and improving the lighting quality and visual effect of the light strip. In addition, the capsule diffuser effectively diffuses and homogenizes the light, allowing it to be more evenly distributed as it propagates through the light-transmitting element. When the light is emitted from the light-transmitting element, there will be no localized areas of excessive light that form light spots. The brightness of the entire light-emitting surface of the light strip is more uniform, improving the aesthetics and lighting effect of the light strip.

[0020] The present invention will be further described below with reference to the accompanying drawings and specific embodiments. Attached Figure Description

[0021] To more clearly illustrate the technical solutions in the embodiments of this utility model, the drawings used in the description of the embodiments or the prior art 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.

[0022] Figure 1 This is a front view schematic diagram of the light strip structure provided by this utility model;

[0023] Figure 2 This is a cross-sectional schematic diagram of the light strip structure provided by this utility model;

[0024] Figure 3 This is an exploded view of the LED strip structure provided by this utility model;

[0025] Figure 4 A schematic diagram of the structure of the light string provided by this utility model;

[0026] Figure 5 A cross-sectional schematic diagram of the light string provided by this utility model;

[0027] Figure 6 A cross-sectional schematic diagram of the light-transmitting component provided by this utility model;

[0028] Figure 7 This is a front view schematic diagram of the light-transmitting component provided by this utility model. Detailed Implementation

[0029] To make the objectives, technical solutions, and advantages of this utility model clearer, the present utility model will be further described in detail below with reference to the accompanying drawings and specific embodiments.

[0030] 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 skilled in the art without creative effort are within the protection scope of the present utility model.

[0031] In the description of this utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc., indicating the orientation or positional relationship are based on the orientation or positional relationship shown in the accompanying drawings, and are only for the convenience of describing this utility model and simplifying the description, and are not intended to indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this utility model.

[0032] Furthermore, the terms "first" and "second" 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. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of this utility model, "a plurality of" means two or more, unless otherwise explicitly specified.

[0033] In this utility model, unless otherwise explicitly specified and limited, the terms "installation," "connection," "joining," and "fixing," etc., should be interpreted broadly. For example, they can refer to a connection, a detachable connection, or an integral part; 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; they can refer to the internal communication of two components or the interaction between two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model according to the specific circumstances.

[0034] In this invention, unless otherwise explicitly specified and limited, "above" or "below" the second feature can include direct contact between the first and second features, or contact between the first and second features through another feature between them. Furthermore, "above," "over," and "on top" of the second feature includes the first feature directly above or diagonally above the second feature, or simply indicates that the first feature is at a higher horizontal level than the second feature. "Below," "below," and "under" the second feature includes the first feature directly below or diagonally below the second feature, or simply indicates that the first feature is at a lower horizontal level than the second feature.

[0035] In the description of this specification, the references to terms such as "one embodiment," "some embodiments," "example," "specific example," or "some examples," etc., indicate that a specific feature, structure, material, or characteristic described in connection with that embodiment or example is included in at least one embodiment or example of the present invention. The illustrative expressions of the above terms in this specification should not be construed as necessarily referring to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples. In addition, those skilled in the art can combine and integrate the different embodiments or examples described in this specification.

[0036] See Figures 1 to 7 The specific embodiment shown in this utility model discloses a light strip structure, including: a light-transmitting element 10, a light-shielding element 20, a wire 30, and a capsule-shaped light-diffusing element 40. The light-transmitting element 10 has a receiving cavity 11 along its length direction. The wire 30 is disposed in the receiving cavity 11, and a plurality of lamp beads 50 are evenly distributed on the wire 30. The capsule-shaped light-diffusing element 40 wraps around the lamp beads 50. The light-shielding element 20 is connected to the light-transmitting element 10. The light emitted by the lamp beads 50 is diffused by the capsule-shaped light-diffusing element 40 and emitted along the light-transmitting element 10.

[0037] Specifically, the light-transmitting component 10 is made of a material with a certain degree of transparency, good optical performance, and sufficient strength (such as polycarbonate, acrylic, etc.). The light-transmitting component 10 is designed as a long strip, and a receiving cavity 11 is formed along its length by a mold. The shape and size of the receiving cavity 11 need to be designed according to the installation requirements of the wire 30, the LED beads 50, and the capsule diffuser 40 to ensure that these components can be smoothly accommodated and to provide a certain amount of space for fixing and protecting the wire 30 and the capsule diffuser 40. Suitable types and specifications of LED beads (such as LED chips) are selected, and the number and spacing of the LED beads 50 are determined according to the design requirements. The LED beads 50 are uniformly welded or installed on the wire 30 by other fixing methods to ensure a stable and reliable electrical connection between each LED bead 50 and the wire 30. The capsule diffuser 40 is usually made of a transparent or translucent material with good light-diffusing properties (such as diffuser plastic, silicone, etc.), and its shape is capsule-shaped with a hollow interior. The capsule-shaped diffuser 40 is wrapped one by one around the LED bead 50 already mounted on the wire 30, ensuring a tight fit between the capsule diffuser 40 and the LED bead 50 so that the light emitted by the LED bead 50 can fully enter the capsule diffuser 40 for scattering. Alternatively, the capsule diffuser 40 can be fixed to the LED bead 50 by adhesive bonding or heat fusion to prevent it from falling off during use. The wire 30 should be selected with good conductivity, flexibility, and durability, such as copper core wire, and the appropriate wire specification should be chosen according to the power and number of LED beads 50.

[0038] First, solder the LED beads 50 to the wires 30 at equal intervals. Then, wrap each LED bead 50 with a capsule diffuser 40 to form a string of lights (see [link]). Figure 4 (As shown), the light string is then laid along the receiving cavity 11 of the light-transmitting component 10. The light-shielding component 20 is made of opaque material (such as black plastic, metal, etc.), and its shape and size are designed according to the structure of the light-transmitting component 10 to ensure a tight connection with the light-transmitting component 10. The light-shielding component 20 can be connected to the light-transmitting component 10 by means of snap-fit ​​connection, glue bonding, screw fixing, etc. After connection, it is necessary to ensure that there are no gaps between the light-shielding component 20 and the light-transmitting component 10, so as to effectively block light from escaping from the parts that do not need to transmit light.

[0039] In other words, by evenly distributing several LED beads 50 on the conductor 30, and with each LED bead 50 being encased in a capsule diffuser 40, the capsule diffuser 40 can evenly scatter the light emitted by the LED beads 50. Through the scattering effect of the capsule diffuser 40, the light can be more evenly distributed across the light-transmitting element 10, thus avoiding dark areas between adjacent LED beads 50 caused by insufficient light coverage, making the overall light emission of the light strip more uniform and continuous. Furthermore, the scattering effect of the capsule diffuser 40 on the light from the LED beads 50 causes the light to emerge from multiple directions, changing the original concentrated propagation direction of the light. When the light illuminates surrounding objects... When the light is diffused onto a body or surface, unlike traditional light strips where the point light source characteristics of the LED beads 50 produce obvious shadows on the object, the light is diffused and can illuminate the surrounding environment in a softer and wider way, effectively eliminating shadows and improving the lighting quality and visual effect of the light strip. In addition, the capsule diffuser 40 effectively diffuses and homogenizes the light, so that the light can be more evenly distributed when it propagates in the light-transmitting element 10. When the light is emitted from the light-transmitting element 10, there will be no local light too strong and forming light spots. The brightness of the entire light-emitting surface of the light strip is more uniform, which improves the aesthetics and lighting effect of the light strip.

[0040] See Figures 1 to 3 As shown, in one embodiment, a reflective sheet 60 is provided at the bottom of the receiving cavity 11, and the wire 30 is located on the upper surface of the reflective sheet 60.

[0041] Specifically, a reflective sheet 60 is laid at the bottom of the receiving cavity 11. The reflective sheet 60 can be implemented in several ways:

[0042] Plastic sheet type: Select a silver or white plastic sheet, cut it according to the size of the bottom of the receiving cavity 11, so that it can fit the bottom of the receiving cavity 11. Fix the reflector 60 to the bottom of the receiving cavity 11 by adhesive, ensuring a firm bond and preventing the reflector 60 from falling off during use.

[0043] FPC (Flexible Printed Circuit) Form: If an FPC is used as the reflective sheet 60, a highly reflective metal layer (such as a silver layer) is plated on the surface of the FPC to enable it to reflect light. The FPC is cut and bent according to the shape of the bottom of the receiving cavity 11, and then fixed to the bottom of the receiving cavity 11 by welding or conductive adhesive.

[0044] Coating Form: A special coating is applied to the surface of the reflective sheet 60 to form a reflective coating. This coating typically contains highly reflective metal powder (such as aluminum powder) or other reflective materials. The coating is evenly applied to the surface of the reflective sheet 60 through processes such as spraying or brushing, followed by drying and curing. The reflective sheet 60 is then fixed to the bottom of the receiving cavity 11 using adhesive, ensuring a firm bond and preventing the reflective sheet 60 from falling off during use.

[0045] Surface painting method: Paint containing high-reflectivity pigments (such as silver or white pigments) is evenly sprayed onto the surface of the reflective sheet 60 using a spray painting device. During the painting process, the thickness and uniformity of the paint must be controlled to ensure good reflective effect. After painting, appropriate drying and curing treatment is performed, and then the reflective sheet 60 is fixed to the bottom of the receiving cavity 11 using adhesive, ensuring a firm bond to prevent the reflective sheet 60 from falling off during use.

[0046] In other words, the light emitted by the LED bead 50 is diffused in all directions after being diffused by the capsule diffuser 40, with some of the light diffusing onto the reflector 60. Due to its high reflectivity (silver or white), the reflector 60 can reflect this diffused light again. This reflected light, along with the light directly incident on the light-transmitting element 10, increases the total amount of light incident on the light-transmitting element 10, thus significantly improving the brightness of the light. For example, without the reflector 60, some light might be diffused to the bottom of the receiving cavity 11 and not be effectively utilized. The reflector 60 allows this light to be reused, improving the overall brightness of the light strip. Furthermore, the reflective effect of the reflector 60 makes the light distribution within the receiving cavity 11 more uniform. This improves the situation where uneven light diffusion could cause brightness differences in certain areas. The reflected light mixes with other light, making the brightness of the entire light-emitting surface of the light strip more consistent, avoiding localized over-brightness or under-brightness, and further improving the lighting quality and visual effect of the light strip. In addition, the reflection of light by the reflector 60 reduces light loss within the housing cavity 11. Light that might otherwise be absorbed by the bottom of the housing cavity 11 or scattered to useless directions is reused, improving light utilization. As a result, a more efficient lighting effect can be achieved with the same LED power 50, reducing energy consumption.

[0047] See Figures 3 to 5 As shown, in one embodiment, the capsule diffuser 40 is composed of an upper shell 41 and a lower shell 42, and the upper shell 41 and the lower shell 42 are folded together.

[0048] Specifically, transparent or translucent materials with good light-diffusing properties (such as light-diffusing plastics, silicone, etc.) are used to manufacture the upper shell 41 and lower shell 42 of the capsule-shaped light-diffusing component 40 using injection molding. The upper shell 41 and lower shell 42 are designed in a semi-capsule shape. During manufacturing, their size and shape are precisely controlled to ensure a perfect fit to form a complete capsule shape. At the connection point of the upper shell 41 and lower shell 42, a mold design is used to create a folded connection structure. This folded connection can be achieved by designing a thinner connection area, allowing the upper shell 41 and lower shell 42 to rotate relative to each other around this connection area, facilitating subsequent assembly. Furthermore, grooves are designed at both ends of the upper shell 41 and lower shell 42, with the shape and size of the grooves precisely designed according to the specifications of the wire 30. When the upper shell 41 and lower shell 42 are assembled, the grooves at both ends correspond to each other and combine to form a perforation. The diameter of the perforation is slightly larger than the diameter of the wire 30 to ensure that the wire 30 can pass through smoothly, while not being too large and losing its limiting function. A snap-fit ​​structure is designed at the edges of the upper shell 41 and the lower shell 42. For example, a protruding snap can be provided on the edge of the upper shell 41, and a corresponding snap-fit ​​groove can be provided on the edge of the lower shell 42. When the upper shell 41 and the lower shell 42 are fastened, the snap can accurately engage in the snap-fit ​​groove, forming a stable connection.

[0049] The wire 30, with the LED bead 50 installed, is placed at the corresponding position on the lower shell 42, allowing the wire 30 to pass through the grooves at both ends of the lower shell 42. Since the grooves provide initial positioning for the wire 30, they prevent displacement during assembly. The upper shell 41 is rotated along the folded connection area to engage with the lower shell 42. During engagement, the grooves at both ends of the upper shell 41 accurately align with the grooves at both ends of the lower shell 42, forming a complete through hole, further limiting the position of the wire 30. Simultaneously, the clips on the edge of the upper shell 41 engage with the clip grooves on the edge of the lower shell 42, creating a stable connection between the upper shell 41 and the lower shell 42, encasing the LED bead 50 inside the capsule diffuser 40.

[0050] In other words, the capsule diffuser 40 adopts a split design of upper shell 41 and lower shell 42, which are combined by folding and snap-fit ​​connections, making the assembly process simpler and faster. During production, workers can quickly place the LED beads 50 on the lower shell 42 and then snap the upper shell 41, greatly improving production efficiency. When the light strip malfunctions and needs repair or replacement of the LED beads 50, the upper shell 41 and lower shell 42 can be separated by snap-fit ​​connections to easily remove the LED beads 50 for repair or replacement without damaging the entire light strip structure, reducing maintenance costs and difficulty. In addition, the perforations formed at both ends of the upper shell 41 and lower shell 42 provide good limiting for the wire 30. During the use of the light strip, the wire 30 will not shift or shake due to bending, vibration, or other factors, ensuring a stable and reliable electrical connection between the LED beads 50 and the wire 30. This avoids problems such as poor contact and short circuits caused by wire 30 displacement, improving the reliability and service life of the light strip. Furthermore, the capsule-shaped light diffuser 40, composed of the upper shell 41 and the lower shell 42, can evenly enclose the LED bead 50, allowing the light emitted by the LED bead 50 to be fully scattered inside the capsule. Because the material of the capsule-shaped light diffuser 40 has excellent light-diffusing properties, the light, after being scattered, can be emitted in a softer and more uniform manner. Moreover, the light can be reflected from the upper shell 41 to the lower shell 42, filling the entire cavity with light source and achieving 360-degree illumination, thus improving the light quality and visual effect of the LED strip. At the same time, the folding and snap-fit ​​design ensures the overall sealing and stability of the capsule-shaped light diffuser 40, preventing any loosening of the connection points from affecting the light-diffusing effect.

[0051] See Figure 2 As shown, in one embodiment, the light-transmitting element 10 is provided with a filter layer 12 in the peripheral area of ​​the receiving cavity 11.

[0052] Specifically, the light-transmitting element 10 is made of plastic material, and a co-extrusion molding process can be used during injection molding. The material of the filter layer 12 and the main body material of the light-transmitting element 10 are simultaneously injected into the mold, making the filter layer 12 and the main body of the light-transmitting element 10 integrally formed. This method ensures the bonding strength between the filter layer 12 and the light-transmitting element 10, and the thickness and uniformity of the filter layer 12 are easier to control. The light emitted by the LED bead 50 is diffused in all directions after being diffused by the capsule diffuser 40. Some of the light diffuses onto the reflector 60, which reflects this diffused light again. This reflected light, along with other light directly incident on the light-transmitting element 10, then strikes the filter layer 12. The filter layer 12 selectively absorbs specific wavelengths of light that are relatively glaring, such as blue light and violet light. These glaring rays often have high energy and short wavelengths; prolonged direct viewing can damage the eyes, causing eye fatigue, dryness, pain, and other discomfort. The absorption effect of the filter layer 12 greatly reduces the intensity of glaring light entering the human eye, making the light emitted by the product softer and more comfortable. For example, in lighting products, after setting the filter layer 12, the originally glaring cold white light can be transformed into warm and soft warm white light, effectively reducing the stimulation to the human eye and improving visual comfort.

[0053] See Figure 2 As shown, in one embodiment, the light-transmitting element 10 is further provided with a light-diffusing layer 13 above the light-filtering layer 12.

[0054] Specifically, the diffuser layer 13 can be made of plastic particles with diffuser properties, such as diffuser PC (polycarbonate) or diffuser PMMA (polymethyl methacrylate). These plastic particles are placed in an injection molding machine, and the diffuser layer 13 is formed above the filter layer 12 through injection molding. After the soft light filtered by the filter layer 12 enters the diffuser layer 13, the microstructures or special materials on the surface of the diffuser layer 13 reflect and diffuse the light. The light is continuously reflected and scattered within the diffuser layer 13, making the light, which might have had a certain directionality or local concentration, more evenly distributed throughout the lighting area. For example, in some large lighting scenarios, such as shopping malls and exhibition halls, the diffuser layer 13 can ensure that the light intensity and color distribution in various locations are more uniform, avoiding uneven brightness or color deviation, and improving the lighting quality. In addition, the reflection and diffusion of light by the diffuser layer 13 makes the light softer and more natural, reducing the directness and glare of the light. When the human eye observes the area illuminated by the light strip, it will not experience discomfort due to the strong focusing of the light, thus further improving visual comfort.

[0055] See Figure 1 , Figure 2 , Figure 3 and Figure 7As shown, in one embodiment, the diffuser layer 13 has at least one reflective cavity 14.

[0056] Specifically, based on the design requirements of the LED strip, an injection mold with a reflective cavity 14 structure is designed and manufactured. The shape, size, and distribution of the reflective cavities 14 inside the mold must be precisely designed. The reflective cavities 14 can be circular, square, hexagonal, or other shapes, and the number is determined according to actual needs. Typically, multiple reflective cavities 14 are formed on a single diffuser layer 13. Plastic granules with diffuser properties (such as diffuser PC, diffuser PMMA, etc.) are placed into the barrel of the injection molding machine and heated until they are molten. The molten plastic is injected into the mold with the reflective cavity 14 structure through the screw of the injection molding machine. Under high pressure and suitable temperature, the plastic fills the mold cavity, forming the diffuser layer 13 with the reflective cavity 14.

[0057] In other words, the presence of the reflective cavity 14 alters the propagation path of light within the diffuser layer 13. When light enters the diffuser layer 13, some light is directly reflected and scattered on its surface, while the rest enters the reflective cavity 14. Inside the reflective cavity 14, the light undergoes multiple reflections on the cavity walls, allowing for more complete diffusion. Compared to a diffuser layer 13 without the reflective cavity 14, the diffuser layer 13 with the reflective cavity 14 enables light to propagate in a wider range of directions, significantly improving the reflection and diffusion efficiency, thereby further optimizing the uniformity of the light strip's illumination. Furthermore, due to the multiple reflections and diffusions by the reflective cavity 14, some light that might have been lost due to reflections on the surface of the diffuser layer 13 can be reused, increasing the total amount of light emitted from the diffuser layer 13 and thus improving the brightness of the light strip. Simultaneously, the wider propagation of light also expands the illumination range of the light strip, allowing it to illuminate a larger area with the same LED power and number, improving the effectiveness and practicality of the illumination.

[0058] See Figure 1 , Figure 2 , Figure 3 and Figure 7 As shown, in one embodiment, the cross-section of the reflective cavity 14 is elliptical or arc-shaped.

[0059] Specifically, there are two reflective cavities 14, distributed vertically within the diffuser layer 13. The upper reflective cavity 14 has an arc-shaped cross-section, while the lower reflective cavity 14 has an elliptical cross-section. This means that light first passes through the lower elliptical reflective cavity 14, which performs initial convergence and regular reflection, directing the light more concentratedly towards the upper arc-shaped reflective cavity 14. The upper arc-shaped reflective cavity 14 then performs a second reflection and diffusion, scattering the light in multiple directions. This dual reflection and diffusion significantly increases the light propagation path and scattering angle, allowing the light to cover a wider area of ​​illumination. Furthermore, the regular reflection of the lower elliptical reflective cavity 14 reduces localized light concentration, while the scattering effect of the upper arc-shaped reflective cavity 14 further balances the intensity distribution of the light. Through this combination, dark areas and light spots within the illumination area are effectively eliminated, resulting in a more uniform light distribution throughout the entire area.

[0060] See Figure 6 As shown, in one embodiment, the cavity wall of the reflective cavity 14 is provided with a textured layer 15.

[0061] Specifically, based on the design requirements of the light strip and the desired optical effect, the pattern of the textured layer 15 on the cavity wall of the reflective cavity 14 is designed. The texture can be a regular geometric shape, such as a triangular pyramid, a hemisphere, or a grid, or it can be an irregular natural texture, such as the rough texture simulating the surface of a rock.

[0062] In other words, the textured layer 15 increases the reflection area and angle of light on the walls of the reflective cavity 14. When light enters the reflective cavity 14, it undergoes multiple reflections and scatterings on various surfaces of the textured layer. Compared to the smooth-walled reflective cavity 14, the light propagation path in the textured layer 15 is more complex, allowing it to be diffused more widely in all directions. This makes the light emitted from the diffuser layer 13 more uniform, reducing brightness differences within the illuminated area and improving the lighting quality of the light strip. Furthermore, due to the continuous reflection and diffusion of light by the textured layer 15, the light can be distributed more evenly within the illuminated area. A relatively consistent light intensity can be obtained both directly above and to the side of the light strip, avoiding localized over-brightness or under-brightness.

[0063] See Figure 1 , Figure 2 , Figure 3 and Figure 7 As shown, in one embodiment, the light-transmitting member 10 has first serrations 16 on both sides, and the light-shielding member 20 has second serrations 21 corresponding to the first serrations 16.

[0064] Specifically, the first sawtooth 16 and the second sawtooth 21 cooperate with each other and are thermally pressed together to form a labyrinth-like sealed structure. This structure increases the path length and tortuosity of light and external impurities through the connection between the light-transmitting element 10 and the light-shielding element 20, greatly improving the sealing effect. It effectively prevents light leakage from the connection, ensuring that the light emitted by the light strip can accurately illuminate the designated area as designed. It also prevents external impurities such as dust and moisture from entering the interior of the light strip, protecting the internal components such as the LED beads 50 and the wires 30, and extending the service life of the light strip. In addition, the meshing of the sawtooth structure increases the contact area and friction between the light-transmitting element 10 and the light-shielding element 20, making the connection between the two more secure. During the use of the light strip, even if subjected to certain external forces, such as vibration or compression, the light-transmitting element 10 and the light-shielding element 20 are not prone to relative displacement or separation, ensuring the stability of the overall structure of the light strip and reducing the possibility of optical performance degradation or malfunction due to structural loosening.

[0065] See Figure 1 , Figure 2 , Figure 3 and Figure 7 As shown, in one embodiment, the bottom of the light-transmitting member 10 is further provided with a third serration 17, and the light-shielding member 20 is provided with a fourth serration 22 corresponding to the third serration 17.

[0066] Specifically, the cooperation of the third sawtooth 17 and the fourth sawtooth 22, together with the first sawtooth 16 and the second sawtooth 21 on both sides, forms a multi-directional connection structure. When subjected to forces in different directions, such as vertical tensile force and horizontal shear force, the various connection parts can share the force, effectively improving the connection strength between the light-transmitting element 10 and the light-shielding element 20. Compared with the method of connecting only with sawtooths on both sides, this multi-directional connection structure can withstand greater external forces and reduce the risk of damage to the connection parts due to excessive force.

[0067] See Figure 1 , Figure 2 , Figure 3 and Figure 7 As shown, in one embodiment, the top of the light-shielding member 20 is provided with a protruding end 23, and the light-transmitting member 10 is provided with a slot 18 corresponding to the protruding end 23.

[0068] Specifically, the sealing structure formed by the slot 18 and the protruding end 23 between the light-transmitting element 10 and the light-shielding element 20 effectively prevents foreign objects such as dust, moisture, and insects from entering the interior of the light strip. For light strips used outdoors or in harsh environments, this sealing structure prevents dust accumulation on the surface of optical components, which can affect light transmittance and luminous effect; it also prevents moisture intrusion that could cause short circuits or corrosion, extending the lifespan of the light strip. Furthermore, the cooperation between the protruding end 23 and the slot 18 makes the outer surfaces of the light-transmitting element 10 and the light-shielding element 20 flush, resulting in a simpler, smoother appearance and better overall integrity of the light strip. This avoids visual abruptness caused by protrusions or depressions at the connection points, enhancing the aesthetics and quality of the light strip and allowing it to better integrate into various indoor and outdoor decorative environments.

[0069] The above embodiments are preferred implementations of this utility model. In addition, this utility model can also be implemented in other ways. Any obvious substitutions without departing from the concept of this technical solution are within the protection scope of this utility model.

Claims

1. A light strip structure, characterized in that, include: The light-transmitting component includes a light-shielding component, a wire, and a capsule-shaped light-diffusing component. The light-transmitting component has a receiving cavity along its length. The wire is disposed in the receiving cavity and has a plurality of LED beads evenly distributed on it. The capsule-shaped light-diffusing component encloses the LED beads. The light-shielding component is connected to the light-transmitting component. The light emitted by the LED beads is diffused by the capsule-shaped light-diffusing component and emitted along the light-transmitting component.

2. The light string structure of claim 1, wherein, The bottom of the receiving cavity is provided with a reflective sheet, and the wire is located on the upper surface of the reflective sheet.

3. The light string structure of claim 1, wherein, The capsule diffuser consists of an upper shell and a lower shell, and the upper shell and the lower shell are folded together.

4. The light string structure of claim 1, wherein, The light-transmitting element has a filter layer in the peripheral area of ​​the receiving cavity.

5. The light string structure of claim 4, wherein, The light-transmitting element is located above the filter layer and also has a light-diffusing layer.

6. The light string structure of claim 5, wherein, The astigmatism layer has at least one reflective cavity.

7. The light string structure of claim 6, wherein, The cavity wall of the reflective cavity is provided with an uneven textured layer.

8. The light string structure of claim 1, wherein, The light-transmitting element has first serrations on both sides, and the light-shielding element has second serrations corresponding to the first serrations.

9. The light string structure of claim 8, wherein, The bottom of the light-transmitting component is also provided with a third serration, and the light-shielding component is provided with a fourth serration corresponding to the third serration.

10. The light string structure of claim 1, wherein, The top of the light-shielding component is provided with a protruding end, and the light-transmitting component is provided with a groove corresponding to the protruding end.

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