A color light source for a back-up lamp

Abstract

The utility model relates to the technical field of reversing lamp, disclose a color light source's reversing lamp, include: the casing of outermost layer, the casing is hollow cavity structure, still be provided with the optical assembly of green light generation along the cavity of casing, along the light emitting direction of optical assembly this is opposite and is provided with light guide piece, the light emitting surface of light guide piece is opposite and is provided with lens, the lens is fixedly installed at the front end of casing, the lens includes pink inner lens, can form white light source for reversing lamp through setting up green light source and pink inner lens, conforms to the relevant regulations of car lamp, can be normally used to prompt the attention of the pedestrian or vehicle of vehicle reversing, in addition, pink outer lens can also cooperate with the red tail light of existing vehicle, become the part of tail lamp decoration, visual combination is more harmonious, satisfy the pursuit of personalization of user.

Description

Technical Field

[0001] This utility model relates to the field of reversing light technology, specifically to a reversing light with a colored light source. Background Technology

[0002] Traditional reversing lights mostly use white light sources, which, while meeting basic lighting needs, lack distinctiveness in terms of visibility and visual effect. Meanwhile, consumers are increasingly demanding personalized vehicle appearances and functional lighting for different scenarios. Against this backdrop, the inventors designed a reversing light with a colored light source. It primarily uses green LEDs shining through a pink lens to create a colored light source. This unique color combination creates a novel and eye-catching effect, enhancing the vehicle's visibility in reversing scenarios and attracting the attention of pedestrians and other vehicles behind. Furthermore, it can be integrated with existing red taillights to add a unique visual identifier to the rear of the vehicle while providing illumination. Utility Model Content

[0003] The purpose of this invention is to provide a reversing light with a colored light source to solve the above-mentioned technical problems.

[0004] This utility model provides the following technical solution: A reversing light with a colored light source includes: an outermost housing, the housing having a hollow cavity structure, an optical component capable of generating green light being disposed along the cavity of the housing, a light guide being disposed along the light emission direction of the optical component, a lens being disposed on the light emission surface of the light guide, and the lens being fixedly mounted on the front end of the housing; The lens includes a pink inner lens. The green light emitted by the optical component is uniformly diffused by the light guide and reflected onto the inner lens. The light is then filtered by the inner lens and combined to produce white light.

[0005] As a preferred embodiment of the above technical solution, The optical components include a PCB board and a light source disposed on the PCB board.

[0006] As a preferred embodiment of the above technical solution, The light source uses phosphorescent conversion LED beads.

[0007] As a preferred embodiment of the above technical solution, The light-emitting surface of the light guide is a Fresnel tooth structure.

[0008] As a preferred embodiment of the above technical solution, The lens also includes a red outer lens that is fixedly connected to the inner lens.

[0009] As a preferred embodiment of the above technical solution, The thickness of the inner lens is 2-3 mm.

[0010] Compared with the prior art, the beneficial effects of this utility model are: In this invention, a white light source can be formed by setting a green light source and a pink inner lens for use as a reversing light, which complies with relevant vehicle light regulations and can be used normally to alert pedestrians or other vehicles when the vehicle is reversing. In addition, the pink outer lens can also be used in conjunction with the existing red taillights of vehicles to become part of the taillight decoration, making the visual combination more harmonious and satisfying the user's pursuit of personalization. Attached Figure Description

[0011] Figure 1 This is a schematic diagram of the overall structure of this application; Figure 2 This is a schematic diagram of the spectral information structure of a light source; Figure 3 This is a schematic diagram of the spectral information structure of the inner lens; Figure 4 A schematic diagram of the spectral structure formed by the light source passing through the inner lens; Figure 5 This is a CIE 1976 color coordinate diagram of inner lenses of different thicknesses.

[0012] In the diagram: 100, housing; 200, PCB board; 210, light source; 300, light guide; 400, inner lens; 410, outer lens. Detailed Implementation

[0013] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0014] like Figure 1-4 As shown, this utility model provides a technical solution: a reversing light with a colored light source, including: an outermost shell 100, the shell 100 having a hollow cavity structure, an opening along the front end of the shell 100 for fixing and installing a lens, an optical component being provided in the cavity of the shell 100, and a light guide 300 being provided along the direction of the light emitted by the optical component, with the lens being positioned opposite the light guide 300.

[0015] The optical components include a PCB board 200 for control and a light source 210 located on the PCB board 200. The lenses include an inner lens 400 and an outer lens 410. The inner lens 400 is pink and the outer lens 410 is red. The light source 210 is an LED that emits green light. The green light enters along the light-inlet surface of the light guide 300 and is then reflected by its light-outlet surface onto the inner lens 400. The light first passes through the pink inner lens 400. When the green light passes through the pink inner lens 400, it produces white light that is perceived by the naked eye, which complies with regulations.

[0016] The pink inner lens 400 and the red outer lens 410 create a more harmonious visual composition, allowing them to form a more unique visual identity.

[0017] Among them, such as Figure 2-4 As shown, the light source 210 uses a phosphorescent conversion type LED bead. Its spectrum contains two peaks: blue light (wavelength 450nm) and green light (wavelength 520nm). The phosphorescent material is excited by blue light and converted into green light, forming the main emission band. When the green light emitted by the light source 210 passes through the pink inner lens 400, the inner lens 400 filters and absorbs some wavelengths. The blue light passing through the inner lens 400 and the green light filtered by it mix to produce the following effect: Figure 4 The spectrum shown is a combination of blue and yellow peaks; Furthermore, such as Figure 3-4 As shown, the pink inner lens 400 uses a Plexiglass Unicolor signal3V125 pink color chart. Figure 3 The transmission spectrum of this panel, from Figure 3 It can be seen from this that, for Figure 2 The transmittance is highest for green light (wavelength 520nm), moderate for blue light (wavelength 450nm) (about 40%), and gradually decreases for red light (wavelength above 600nm). Therefore, the outer lens 410 maintains high transmittance for green light, partial absorption of blue light, and low transmittance for red light. And from Figure 4 It can be seen from ( Figure 4 The combined spectrum of the light source 210, which emits green light, after passing through the inner lens 400 of the pink component, can be seen from the curve characteristics in the figure. After the light passes through the inner lens 400 of the pink component and is filtered and mixed, it forms a spectrum with blue peaks and yellow peaks. The combination of the blue peaks and yellow peaks can form white light that is perceived by the naked eye. This complies with the relevant regulations for vehicle lights. In addition, the pink inner lens 400 can also be matched with the red taillights of existing vehicles, namely the red outer lens 410, to meet the personalized needs of users.

[0018] Furthermore, such as Figure 1As shown, the light-emitting surface of the light guide 300 is a Fresnel tooth structure or other structure that allows light to be uniformly reflected onto the lens. The light is refracted through this surface and can be uniformly diffused onto the entire lens.

[0019] Furthermore, such as Figure 5 As shown, the thickness of the outer lens 410 is preferably 2-3 mm. Figure 5 The image shows the CIE 1976 color coordinates for the thickness of the outer lens 410, which is between 1 and 3 mm. It can be seen from the image that when the thickness of the outer lens 410 is between 2 and 3 mm, its coordinate points fall within the regulatory lines and are compliant.

[0020] The above embodiments are only used to illustrate the technical solution of this utility model, and are not intended to limit it.

Claims

1. A reversing light with a colored light source, characterized in that, include: The outermost shell (100) has a hollow cavity structure. An optical component that can generate green light is also provided in the cavity of the shell (100). A light guide (300) is provided along the light output direction of the optical component. A lens is provided on the light output surface of the light guide (300). The lens is fixedly installed at the front end of the shell (100). The lens includes a pink inner lens (400). The green light emitted by the optical component is uniformly diffused by the light guide (300) and reflected onto the inner lens (400). The light is then filtered by the inner lens (400) and combined to produce white light.

2. The reversing light with a colored light source according to claim 1, characterized in that: The optical components include a PCB board (200) and a light source (210) disposed on the PCB board (200).

3. The reversing light with a colored light source according to claim 2, characterized in that: The light source (210) uses phosphorescent conversion type lamp beads.

4. The reversing light with a colored light source according to claim 1, characterized in that: The light-emitting surface of the light guide (300) is a Fresnel tooth structure.

5. The reversing light with a colored light source according to claim 1, characterized in that: The lens also includes a red outer lens (410) that is fixedly connected to the inner lens (400).

6. The reversing light with a colored light source according to claim 1, characterized in that: The thickness of the inner lens (400) is 2-3 mm.

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