Automobile front logo light

Abstract

The utility model relates to the technical field of automobile LOGO lamp, especially a kind of automobile front sign LOGO lamp, including LOGO sign surface cover and bottom plate, LOGO sign surface cover and bottom plate buckle together form enclosed cavity, the cavity is equipped with light-emitting component, LOGO sign surface cover inner surface is coated with transparent primer layer and sputtering plating layer in sequence, and diffusion plate is additionally arranged in the cavity, can when not lighting, sputtering plating layer presents pure electroplating color by reflecting external light, when lighting, the light of light-emitting component can form soft white light after uniform diffusion by diffusion plate, realize the same front sign LOGO lamp in unlighted electroplating color and white light when lighting The double-state stable coexistence of two states and can be switched at any time, improve design flexibility;Moreover, the overall structure design is compact, and the installation space of existing automobile front grille is adapted.

Description

Technical Field

[0001] This utility model relates to the field of automotive logo light technology, and in particular to a front logo light for automobiles. Background Technology

[0002] In automotive exterior design, the front logo is a crucial element for brand recognition, and it also needs to fulfill the function of illumination to enhance nighttime visibility. Currently, there are two independent designs for automotive front logo lights: The first type is a non-illuminated front logo light: its core component is the cover, which is made of a non-transparent electroplating grade plastic mixed with PC (polycarbonate) and ABS (acrylonitrile-butadiene-styrene copolymer). After injection molding, it is treated with an electroplating process to be aluminum or chrome plated. The characteristic of this structure is that it presents an electroplated (aluminum or chrome plated) metallic texture when not lit, but because the cover is made of a non-transparent material and has no light-emitting components, it has no light-emitting function at all, and it is difficult to enhance brand recognition through light in low-light environments such as at night.

[0003] The second type is an illuminated front logo light: composed of a two-color cover, LED beads, a PCBA (Printed Circuit Board Assembly), and a base. The two-color cover is manufactured using two schemes: Scheme 1 involves two-color injection molding of fully transparent, light-transmitting PC and black PC, with the inner surface sequentially sprayed with diffused white paint (with a light transmittance of 25%±5%) and a transparent topcoat; Scheme 2 involves two-color injection molding of semi-transparent milky white PC (with a light transmittance of 55%±5%) and black PC. While this structure can produce white light when the LED beads are lit, when not lit, due to the milky white or diffused white paint characteristics of the two-color cover itself, it still appears white, with only a brightness difference compared to when lit. This fails to achieve the electroplated metallic texture, resulting in a monotonous visual effect in a static state and a lack of sophistication.

[0004] In summary, the common problem with the two structures mentioned above is that they cannot achieve the dual visual effect of "presenting an electroplated metallic color when not lit and presenting white light when lit" on the same front logo light. This makes it difficult for the design of the car's front logo light to take into account both the static metallic texture and the dynamic lighting function, thus limiting the diversity and flexibility of brand recognition. Utility Model Content

[0005] The technical problem to be solved by this utility model is to provide a car front logo light that can stably coexist in two states: an electroplated color when not lit and a white light when lit, and can be switched at any time, thereby improving design flexibility.

[0006] To solve the above-mentioned technical problems, the technical solution adopted by this utility model is as follows: A car front logo light includes a logo cover and a base plate. The logo cover and the base plate are fastened together to form a closed cavity. A light-emitting component is provided in the cavity. The inner surface of the logo cover is coated with a transparent primer layer and a sputtered coating layer in sequence. A diffuser plate is also provided in the cavity. The diffuser plate is located between the light-emitting end of the light-emitting component and the sputtered coating layer.

[0007] Furthermore, the logo cover has a light-transmitting area and an opaque area, and the inner surfaces of both the light-transmitting and opaque areas of the logo cover are sequentially coated with a transparent primer layer and a sputtered coating layer.

[0008] Furthermore, the light-transmitting area is the patterned area that forms the logo, and the opaque area is the non-patterned area that forms the logo. The material of the light-transmitting area is a high-transmittance polycarbonate substrate or a semi-transmittance polycarbonate substrate, and the material of the opaque area is an opaque polycarbonate substrate.

[0009] Furthermore, the light transmittance of the diffuser plate is greater than that of the sputtered coating.

[0010] Furthermore, the transmittance of the diffuser plate is in the range of 55% ± 5%, and the transmittance of the sputtered coating is in the range of 12% ± 5%.

[0011] Furthermore, a gap is provided between the light-incident surface of the diffuser plate and the light-emitting component.

[0012] Furthermore, the distance between the light-incoming surface of the diffuser plate and the light-emitting component is inversely proportional to the thickness of the diffuser plate.

[0013] Furthermore, a gap is provided between the light-emitting surface of the diffuser plate and the sputtered coating.

[0014] Furthermore, the sputtered coating is made of aluminum or chromium.

[0015] Furthermore, the light-emitting component includes at least one LED light source and a PCBA board, wherein the LED light source is soldered to the surface of the PCBA board, and the light-emitting end of the LED light source faces the light-incoming surface of the diffuser plate.

[0016] The beneficial effects of this utility model are as follows: By sequentially coating the inner surface of the logo cover with a transparent primer layer and a sputtered coating layer, and adding a diffuser plate inside the cavity, the sputtered coating layer can present a pure electroplated color when not lit, by reflecting external light. When lit, the light from the light-emitting component is evenly diffused by the diffuser plate and can penetrate the sputtered coating layer to form a soft white light. This achieves the stable coexistence of two states of the same front logo light: an electroplated color when not lit and a white light when lit, which can be switched at any time, improving design flexibility. Moreover, the overall structure is compact and fits the installation space of existing car front grilles. Attached Figure Description

[0017] Figure 1 This is an exploded view of the car front logo light of this utility model; Figure 2 This is a cross-sectional view of the logo cover of the car front logo light of this utility model. Figure 3 This utility model relates to a car front logo light. Figure 2 Enlarged view of point A in the middle; Figure 4 This is a cross-sectional view of the car front logo light of this utility model; Figure 5 This is a perspective view of the car front logo light of this utility model; Label Explanation: 1. Logo cover; 11. Translucent area; 12. Opaque area; 13. Transparent primer layer; 14. Sputtered coating layer; 2. Base plate; 3. Light-emitting components; 31. LED light source; 32. PCBA board; 4. Diffuser plate. Detailed Implementation

[0018] To explain in detail the technical content, objectives, and effects of this utility model, the following description is provided in conjunction with the embodiments and accompanying drawings.

[0019] Please refer to Figures 1 to 4 A car front logo light includes a logo cover 1 and a base plate 2. The logo cover 1 and the base plate 2 are fastened together to form a closed cavity. A light-emitting component 3 is provided in the cavity. The inner surface of the logo cover 1 is coated with a transparent primer layer 13 and a sputtered coating layer 14 in sequence. A diffuser plate 4 is also provided in the cavity. The diffuser plate 4 is located between the light-emitting end of the light-emitting component 3 and the sputtered coating layer 14.

[0020] As can be seen from the above description, the beneficial effects of this utility model are as follows: By sequentially coating the inner surface of the LOGO cover 1 with a transparent primer layer 13 and a sputtered coating layer 14, and adding a diffuser plate 4 inside the cavity, the sputtered coating layer 14 can reflect external light to present a pure electroplated color when not lit. When lit, the light from the light-emitting component 3 can penetrate the sputtered coating layer 14 to form a soft white light after being evenly diffused by the diffuser plate 4. This achieves the stable coexistence of the same front logo light in two states: electroplated color when not lit and white light when lit, and can be switched at any time, improving design flexibility. Moreover, the overall structure is compact and fits the existing installation space of the car front grille.

[0021] For further details, please refer to Figure 2 and Figure 5 The logo cover 1 has a light-transmitting area 11 and an opaque area 12. The inner surfaces of the light-transmitting area 11 and the opaque area 12 of the logo cover 1 are coated with a transparent primer layer 13 and a sputtered coating layer 14 in sequence.

[0022] As can be seen from the above description, by distinguishing between the light-transmitting area 11 and the opaque area 12 and applying a coating to both, the luminous effect can be guaranteed, while also enhancing the outline of the logo and improving visual clarity.

[0023] For further details, please refer to Figure 2 and Figure 5 The light-transmitting area 11 is the pattern area that forms the logo, and the opaque area 12 is the non-pattern area that forms the logo. The light-transmitting area 11 is made of a high-transmittance polycarbonate substrate or a semi-transmittance polycarbonate substrate, and the opaque area 12 is made of an opaque polycarbonate substrate.

[0024] As described above, the materials of the translucent area 11 and the opaque area 12 are designed differently. The translucent area 11 uses a high-transmittance polycarbonate substrate or a semi-translucent polycarbonate substrate to ensure efficient light transmission to the sputtered coating 14; the opaque area 12 uses an opaque polycarbonate substrate, reducing light leakage through the material's inherent light-blocking properties. This design further optimizes the switching effect between the electroplated color and white light, making the electroplated color more uniform when not lit, and the white light more concentrated on the logo pattern when lit, improving the accuracy of brand recognition.

[0025] For further details, please refer to Figure 2 and Figure 4 The light transmittance of the diffuser plate 4 is greater than that of the sputtered coating 14.

[0026] As can be seen from the above description, by limiting the light transmittance of the diffuser plate 4 to be greater than that of the sputtered coating 14, the high light transmittance of the diffuser plate 4 can ensure that the light from the light-emitting component 3 has sufficient energy after homogenization, enough to penetrate the low-transmittance sputtered coating 14; while the low light transmittance of the sputtered coating 14 effectively blocks the penetration of external light when it is not lit, avoiding the "graying" phenomenon caused by light transmission of the electroplated color, and ensuring the stability of the visual effect in both states.

[0027] For further details, please refer to Figure 2 and Figure 4 The light transmittance of the diffuser plate 4 is 55% ± 5%, and the light transmittance of the sputtered coating 14 is 12% ± 5%.

[0028] As can be seen from the above description, the transmittance range of the diffuser plate 4 is 55%±5%, and the transmittance range of the sputtered coating 14 is 12%±5%. These values ​​are derived from actual test optimization: the transmittance of the diffuser plate 4 allows the light from the light-emitting component 3 to achieve the best uniform light effect after scattering, avoiding light spots or dark areas; the transmittance of the sputtered coating 14, while meeting the requirements for white light transmission, maximizes the reflection of external light to present a full electroplated color, which is the optimal parameter combination that takes into account the visual effects of both states.

[0029] For further details, please refer to Figure 4 A gap is provided between the light-incident surface of the diffuser plate 4 and the light-emitting component 3.

[0030] As can be seen from the above description, the spacing between the light-incident surface of the diffuser plate 4 and the light-emitting component 3 provides a "pre-diffusion" space for the light of the light-emitting component 3; the direct light of the light-emitting component 3 is initially diffused within the spacing, reducing the local strong light generated when directly irradiating the diffuser plate 4, making the light entering the diffuser plate 4 more evenly distributed, and improving the softness of the final white light from the source.

[0031] For further details, please refer to Figure 4 The distance between the light-incoming surface of the diffuser plate 4 and the light-emitting component 3 is inversely proportional to the thickness of the diffuser plate 4.

[0032] As described above, by specifying that the distance between the light-incident surface of the diffuser plate 4 and the light-emitting component 3 is inversely proportional to the thickness of the diffuser plate 4, dynamic adaptation of the structure and optical effect is achieved. For a thicker diffuser plate 4 (which has strong light-uniformation capabilities), the distance can be reduced to compress the overall volume; for a thinner diffuser plate 4 (which has weak light-uniformation capabilities), the distance can be increased to enhance the pre-diffusion effect. This design improves the product's adaptability to different vehicle installation spaces while ensuring light uniformity quality.

[0033] For further details, please refer to Figure 3 and Figure 4A gap is provided between the light-emitting surface of the diffuser plate 4 and the sputtered coating layer 14.

[0034] As described above, setting a gap between the light-emitting surface of the diffuser plate 4 and the sputtered coating 14 provides a "secondary buffer" space for the homogenized light. The light emitted from the diffuser plate 4 is further mixed within the gap, reducing the unevenness of light caused by minor imperfections on the surface of the diffuser plate 4. This allows the light to penetrate the sputtered coating 14 at a more uniform angle, resulting in a finer white light and avoiding the "wavy" light and shadow that may occur on the surface of the sputtered coating 14.

[0035] For further details, please refer to Figure 3 The sputtered coating 14 is made of aluminum or chromium.

[0036] As can be seen from the above description, by selecting aluminum or chromium as the sputtering coating material 14, both metals have excellent optical properties: aluminum coatings present a warm metallic luster, while chromium coatings present a cool mirror effect, both of which can match the design styles of different brands; at the same time, the PVD sputtering process can precisely control the coating thickness, ensuring a light transmittance of 12%±5%, taking into account both visual texture and light penetration requirements, and solving the technical problem that traditional electroplating cannot achieve "light transmittance and metallic texture".

[0037] For further details, please refer to Figure 1 The light-emitting component 3 includes at least one LED light source 31 and a PCBA board 32. The LED light source 31 is soldered to the surface of the PCBA board 32, and the light-emitting end of the LED light source 31 faces the light-incoming surface of the diffuser plate 4.

[0038] As can be seen from the above description, by clearly defining that the light-emitting component 3 is composed of an LED light source 31 and a PCBA board 32, and with the LED light source 31 facing the light-incoming surface of the diffuser plate 4, this structure can ensure that the light is directionally projected onto the diffuser plate 4, reducing energy loss caused by light scattering; the PCBA board 32 provides stable circuit connection and heat dissipation support for the LED light source 31, ensuring the consistency of light brightness during long-term use, and ensuring the durability of the "electroplated color and white light" switching effect.

[0039] Please refer to Figures 1 to 5 As shown, Embodiment 1 of this utility model is as follows: Please refer to Figures 1 to 4 A car front logo light includes a logo cover 1 and a base plate 2. The logo cover 1 and the base plate 2 are fastened together to form a closed cavity. A light-emitting component 3 is provided in the cavity. The inner surface of the logo cover 1 is coated with a transparent primer layer 13 and a sputtered coating layer 14 in sequence. A diffuser plate 4 is also provided in the cavity. The diffuser plate 4 is located between the light-emitting end of the light-emitting component 3 and the sputtered coating layer 14.

[0040] In this embodiment, the diffuser plate 4 can be made of milky white PMMA (acrylic) or milky white PC (polycarbonate) material, which can improve the uniformity of light and weather resistance, and is suitable for high temperature and strong ultraviolet environment.

[0041] In this embodiment, the transparent primer layer 13 can be a transparent polyurethane (PU) adhesion varnish.

[0042] Please refer to Figure 2 and Figure 5 The logo cover 1 has a light-transmitting area 11 and an opaque area 12. The inner surfaces of the light-transmitting area 11 and the opaque area 12 of the logo cover 1 are coated with a transparent primer layer 13 and a sputtered coating layer 14 in sequence.

[0043] Please refer to Figure 2 and Figure 5 The light-transmitting area 11 is the pattern area that forms the logo, and the opaque area 12 is the non-pattern area that forms the logo. The light-transmitting area 11 is made of a high-transmittance polycarbonate substrate or a semi-transmittance polycarbonate substrate, and the opaque area 12 is made of an opaque polycarbonate substrate.

[0044] Please refer to Figure 2 and Figure 4 The light transmittance of the diffuser plate 4 is greater than that of the sputtered coating 14.

[0045] Please refer to Figure 2 and Figure 4 The light transmittance of the diffuser plate 4 is 55% ± 5%, and the light transmittance of the sputtered coating 14 is 12% ± 5%.

[0046] Please refer to Figure 4 A gap is provided between the light-incident surface of the diffuser plate 4 and the light-emitting component 3.

[0047] The distance between the light-incoming surface of the diffuser plate 4 and the light-emitting component 3 is inversely proportional to the thickness of the diffuser plate 4.

[0048] Please refer to Figure 4 A gap is provided between the light-emitting surface of the diffuser plate 4 and the sputtered coating layer 14.

[0049] The sputtered coating 14 is made of aluminum or chromium.

[0050] Please refer to Figure 1 The light-emitting component 3 includes at least one LED light source 31 and a PCBA board 32. The LED light source 31 is soldered to the surface of the PCBA board 32, and the light-emitting end of the LED light source 31 faces the light-incoming surface of the diffuser plate 4.

[0051] The number of LED light sources 31 can be adjusted according to the size of the logo, and the arrangement can be circular or matrix to ensure that the light evenly covers the light-transmitting area 11.

[0052] The specific assembly process for the car's front logo light in this solution is as follows: 1. Solder the LED light source 31 to the PCBA board 32 to form the light-emitting component 3; 2. Fix the light-emitting component 3 and the diffuser plate 4 to the base plate 2 using self-tapping screws to form a base assembly; 3. Seal the logo cover 1 and the base assembly by ultrasonic welding to form a closed cavity; 4. The entire assembly is installed on the front grille of the car using self-tapping screws and clips on the back of the base plate 2.

[0053] The working principle of the car front logo light in this solution is as follows: In the unlit state: The sputtered coating 14 (aluminum or chromium) on the inner surface of the LOGO cover 1 has low light transmittance (12%±5%), strong ability to reflect external light, and presents a metallic texture consistent with traditional electroplating (aluminum or chromium plating).

[0054] When the light is on: the white light emitted by the LED light source 31 shines on the diffuser plate 4 (transmittance 55%±5%). The light is homogenized by the scattering of the particles inside the diffuser plate 4. The homogenized light passes through the gap between the diffuser plate 4 and the sputtered coating 14 for secondary homogenization, and then passes through the sputtered coating 14 and is emitted. Since the transmittance of the diffuser plate 4 is much higher than that of the sputtered coating 14, the light can effectively penetrate and present a uniform and soft white light effect.

[0055] This solution, through the above design, achieves stable switching between the on and off states of the car's front logo light, satisfying both visual and functional requirements.

[0056] In summary, the automotive front logo light provided by this utility model, by sequentially coating the inner surface of the logo cover with a transparent primer layer and a sputtered coating layer, and adding a diffuser plate inside the cavity, allows the sputtered coating layer to present a pure electroplated color when not lit, by reflecting external light. When lit, the light from the light-emitting component is evenly diffused by the diffuser plate and can penetrate the sputtered coating layer to form a soft white light. This achieves the stable coexistence of the same front logo light in two states: electroplated color when not lit and white light when lit, which can be switched at any time, improving design flexibility. Moreover, the overall structure is compact and adaptable to the installation space of existing automotive front grilles.

[0057] The above description is merely an embodiment of this utility model and does not limit the patent scope of this utility model. Any equivalent modifications made based on the content of this utility model specification and drawings, or direct or indirect applications in related technical fields, are similarly included within the patent protection scope of this utility model.

Claims

1. A car front logo light, comprising a logo cover and a base plate, wherein the logo cover and the base plate are fastened together to form a closed cavity, and a light-emitting component is disposed within the cavity, characterized in that, The inner surface of the logo cover is coated with a transparent primer layer and a sputtered coating layer in sequence. A diffuser plate is also provided in the cavity, which is located between the light-emitting end of the light-emitting component and the sputtered coating layer.

2. The automotive front logo light according to claim 1, characterized in that, The logo cover has a light-transmitting area and an opaque area. The inner surfaces of both the light-transmitting and opaque areas of the logo cover are coated with a transparent primer layer and a sputtered coating layer in sequence.

3. The automotive front logo light according to claim 2, characterized in that, The light-transmitting area is the patterned area that forms the logo, and the opaque area is the non-patterned area that forms the logo. The light-transmitting area is made of a high-transmittance polycarbonate substrate or a semi-transmittance polycarbonate substrate, and the opaque area is made of an opaque polycarbonate substrate.

4. The automotive front logo light according to claim 1, characterized in that, The light transmittance of the diffuser plate is greater than that of the sputtered coating.

5. The automotive front logo light according to claim 4, characterized in that, The transmittance of the diffuser plate is 55% ± 5%, and the transmittance of the sputtered coating is 12% ± 5%.

6. The automotive front logo light according to claim 1, characterized in that, A gap is provided between the light-incident surface of the diffuser plate and the light-emitting component.

7. The automotive front logo light according to claim 6, characterized in that, The distance between the light-incoming surface of the diffuser plate and the light-emitting component is inversely proportional to the thickness of the diffuser plate.

8. The automotive front logo light according to claim 1, characterized in that, There is a gap between the light-emitting surface of the diffuser plate and the sputtered coating.

9. The automotive front logo light according to claim 1, characterized in that, The sputtered coating is made of aluminum or chromium.

10. The automotive front logo light according to claim 1, characterized in that, The light-emitting component includes at least one LED light source and a PCBA board. The LED light source is soldered to the surface of the PCBA board, and the light-emitting end of the LED light source faces the light-incoming surface of the diffuser plate.

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