A minimalist illuminated logo and its implementation method

Abstract

This invention discloses a minimalist illuminated logo and its implementation method. The minimalist illuminated logo includes an electroplated logo, double-sided adhesive tape, an external light-emitting lens, a first self-tapping screw, a PCBA board, a bottom shell, a breathable membrane, a grille, and a second self-tapping screw. The electroplated logo includes anti-shrinkage grooves, anti-exposed tape flanges, and positioning ribs. The external light-emitting lens includes a milky white area and a high-gloss black area. The PCBA board includes LED beads, a PCB board body, pins, and an LED driver. The LED driver is integrated into the PCB board body via SMT surface mount technology and soldering. The beneficial effect of this invention is that the overall thickness of the product is relatively thin; the thickness from the bottom shell to the highest point of the front is only 35mm to achieve uniform luminous efficacy.

Description

Technical Field

[0001] This invention belongs to the field of vehicle logo technology, specifically relating to a minimalist luminous logo and its implementation method. Background Technology

[0002] With the rapid development of electric vehicle technology, electric vehicles are becoming increasingly popular among the general public in both the international and domestic automotive markets.

[0003] Global sales of electric vehicles (including pure electric vehicles and plug-in hybrid electric vehicles) exceeded 10 million units in 2022, a 56% increase over the previous year. China accounted for approximately 60% of global sales. The proportion of electric vehicles in global car sales rose from 9% in 2021 to 14%, while in China this proportion surged from 16% to 29%. International Energy Agency Executive Director Fatih Birol stated, "Electric vehicles are bringing about a historic transformation to the global automotive industry."

[0004] Illumination has become synonymous with electric vehicles, new energy vehicles, and a sense of technology. Illuminated car emblems, in particular, not only offer higher recognizability and visual appeal but also enhance brand image and memorability. Compared to traditional electroplated car emblems, the addition of light and electricity makes them more technologically advanced, with more complex manufacturing processes and higher research and development barriers, thus naturally resulting in a higher price.

[0005] Furthermore, as car lights gradually become a language of the car (the language of light), the design of car front ends is also becoming increasingly "bright." The cutting-edge designs of major car manufacturers' R&D departments have unanimously chosen to illuminate the grille, the symbol of the vehicle's "front end." As a result, integrated illuminated front end solutions such as "headlights + continuous light + illuminated emblem" and "headlights + grille light + illuminated emblem" are commonplace. Examples include the Volkswagen ID series, Cadillac Reeco, Lincoln Z series, and the Corsair, all of which are good examples of Y-shaped interlocking lights composed of headlights, grille lights / continuous lights, and illuminated emblems. This combined Y-shaped interlocking light not only functions as position lights while driving but also, when parked, can be controlled via software to create various dazzling animation effects, significantly enhancing brand image and leading fashion trends.

[0006] In conclusion, illuminated car logos represent a sustainable development trend in today's era of new energy vehicles, providing car owners with a better product and service experience. At the same time, the luminous appearance of car logos also helps to strengthen the image of continuous corporate innovation and enhance the image of car company logos in people's minds.

[0007] See attached diagram. Figure 1The mainstream luminous logo technology on the market (one of them) has the following structure from the outside to the inside: shielding part 1P; transparent lampshade 2P; light diffusion plate 3P; light guide plate 4P; PCBA board 5P (with LED); bottom shell 6P; breathable membrane 7P.

[0008] The shielding component 1P is attached to the outside of the transparent lampshade 2P through methods such as shielding spraying, printing (screen printing or pad printing), hot stamping, insert injection molding, or even direct shielding with accessories, thereby serving as a light-shielding function for the non-light-emitting surface. The light diffuser plate 3P, light guide plate 4P, and PCBA board 5P are fixed to the base shell 6P through methods such as snap-fit, hot melt, adhesive, and self-tapping screw fixing, or a combination of these methods. The transparent lampshade 2P, along with the shielding component 1P, is integrated with the base shell 6P and joined together at the outer perimeter through methods such as hot plate welding, ultrasonic welding, vibration friction welding, or laser welding, achieving a sealing effect, waterproofing, and a certain degree of airtightness. Its breathable membrane 7P is adhered to the base shell 6P with adhesive backing. The PCBA board 5P has pins that extend to the outside through corresponding holes on the base shell 6P to connect with external connectors, thereby supplying power to the PCBA board 5P.

[0009] During operation, the external system provides power, energizing the entire circuitry on PCBA board 5P via pins, thus illuminating the LED beads on PCBA board 5P. The light beam emitted by the LED beads enters the light guide plate 4P, which directs the beam to the desired emission location and directs it in the emission direction. The beam then enters the light diffuser plate 3P, where it is evenly distributed and emitted from the front. The uniformly distributed beam then diffuses outward from the pre-defined emission area of ​​the transparent lampshade 2P, while the beam in the non-emitting areas is blocked by the shielding component 1P. Ultimately, the outer surface of the shielding component 1P exhibits a specific luminous shape.

[0010] Figure 1 The disadvantage of the first type of existing illuminated car emblem shown is:

[0011] 1. The entire illuminated logo contains too many parts, such as the aforementioned shielding part 1P; transparent lampshade 2P; light diffusion plate 3P; light guide plate 4P, etc. For production, each of these parts requires its own mold, inspection tool, and fixture, which greatly increases the mold, inspection, and fixture costs in the development expenses.

[0012] 2. Too many parts inevitably lead to too many production steps. The assembly of these parts will lengthen the production cycle of the final assembly.

[0013] 3. A large number of parts not only increases the cost of the assembly components, but also makes quality control more difficult, increases quality costs, and greatly reduces the first-pass yield in production, resulting in excessively high overall component costs and a loss of competitiveness.

[0014] 4. Because the aforementioned transparent lampshade 2P is made of transparent material, the light is not emitted directly. Instead, it undergoes several reflections and refractions within the transparent material before shining directly out. This results in a curved shape that creates certain dark areas or undesirable light leakage effects.

[0015] 5. The difficulty in controlling the emitted light results in a lengthy development process, high development costs, and significantly increased development complexity. This is because the final emitted light beam is produced by the LED chips, which pass sequentially through the transparent lampshade 2P, light diffuser 3P, and light guide plate 4P before being projected to the outside. Therefore, numerous factors influence the final emitted light intensity, brightness, brightness uniformity, and color coordinates. It is necessary not only to manage the influence of the LED chips, input current, and circuitry, but also to analyze, adjust, and control the transmittance, refractive index, reflectance, color shift, and other factors introduced by the transparent lampshade 2P, light diffuser 3P, and light guide plate 4P.

[0016] See attached diagram. Figure 2 The mainstream illuminated logo technology on the market (another type) has the following structure from the outside to the inside: shielding part 1Q; transparent lampshade 2Q; light diffusion plate 3Q; light diffusion paint 4Q; PCBA board 5Q (with LED); bottom shell 6Q; breathable membrane 7Q.

[0017] Among them, the light-diffusing paint 4Q is applied to the inside of the transparent lampshade 2Q through methods such as masking spraying, printing (screen printing or pad printing), hot stamping, or insert injection molding, thereby playing a partial light-diffusing role; the masking part 1Q is applied to the inside of the transparent lampshade 2Q through methods such as masking spraying, printing (screen printing or pad printing), hot stamping, insert injection molding, or direct masking on the front with accessories, thereby playing a light-shielding role on the non-light-emitting surface; the light-diffusing plate 3Q and PCBA board 5Q are applied through hot melting or self-tapping screws. The light cover 2Q, along with the light-diffusing paint 4Q and the shielding part 1Q, is fixed to the base shell 6Q using methods such as wire fixing. The transparent lampshade 2Q, along with the light-diffusing paint 4Q and the shielding part 1Q, is integrally formed with the base shell 6Q. Around the outer perimeter, they are joined together using methods such as hot plate welding, ultrasonic welding, vibration friction welding, or laser welding to achieve a sealing effect, thus achieving waterproofing and a certain degree of airtightness. Its breathable membrane 7Q is adhered to the base shell 6Q with adhesive backing. Its PCBA board 5Q has three pins that extend to the outside through corresponding holes on the base shell 6Q to connect with external connectors.

[0018] During operation, the external system provides power, energizing the entire circuitry on PCBA board 5Q via pins, thus illuminating the LED beads on PCBA board 5Q. The light beam emitted by the LED beads enters the light diffusion plate 3Q, is evenly diffused by it, and then emitted from the front of the light diffusion plate 3Q. The evenly diffused light beam is further diffused by the light diffusion paint 4Q, and then disperses outward from the preset light-emitting area of ​​the transparent lampshade 2Q. The light beam in the non-light-emitting areas is blocked by the shielding component 1Q. Of the three pins on PCBA board 5Q, two are used to power PCBA board 5Q; the third is used to provide a PWM signal, thereby controlling PCBA board 5Q to achieve effects such as breathing according to the PWM signal.

[0019] Figure 2 The disadvantage of the second type of existing illuminated car emblem shown is:

[0020] 1. The entire illuminated logo still contains many components, such as the aforementioned shielding component 1Q; transparent lampshade 2Q; light diffusion plate 3Q; light diffusion paint 4Q, etc. For production, each of these components requires its own molds, inspection tools, and fixtures, which greatly increases the mold, inspection, and fixture costs in the development expenses.

[0021] 2. Although this technology reduces the light guide plate 4P component compared to the first prior art described in the background art, it adds light diffusion paint 4Q. The light transmittance of this paint is closely related to the paint type, paint film thickness, spraying process, and substrate. Therefore, the pass rate is lower than that of ordinary coating, which increases the cost.

[0022] 3. Too many parts inevitably lead to too many production steps. The assembly of these parts will lengthen the production cycle of the final assembly.

[0023] 4. A large number of parts not only increases the cost of the assembly components, but also makes quality control more difficult, increases quality costs, and greatly reduces the first-pass yield in production, resulting in excessively high overall component costs and a loss of competitiveness.

[0024] 5. In the first prior art described in the background section, because the transparent lampshade 2Q is made of transparent material, the light is not emitted directly. Instead, it undergoes several reflections and refractions within the transparent material before being emitted directly to the front. This results in a curved shape that creates certain dark areas or undesirable light leakage effects.

[0025] 6. The difficulty in controlling the emitted light results in a lengthy development process, high development costs, and significantly increased development complexity. This is because the final emitted light beam is produced by the LED chips, which pass sequentially through the transparent lampshade 2Q, light diffuser 3Q, and light diffuser paint 4Q before being projected onto the outside world. Therefore, numerous factors influence the final emitted light intensity, brightness, brightness uniformity, and color coordinates. This requires not only controlling the influence of the LED chips, input current, and circuitry, but also analyzing, adjusting, and controlling the transmittance, refractive index, reflectance, and color shift caused by the transparent lampshade 2Q, light diffuser 3Q, and light diffuser paint 4Q.

[0026] 7. Many illuminated logos on the market use RC circuits (resistor-capacitor circuits) to save costs. While RC circuits can achieve the same lighting and extinguishing function, the actual voltage conditions in vehicles are not always a constant 13.5V. In some transient situations, the input voltage may be 9-16V, such as when the air conditioner is turned on or the car is started. Because RC circuits lack electronic units to control and distribute the current according to the actual situation, they cannot achieve a constant current state under certain voltage fluctuations. Therefore, in situations with fluctuating input voltage, the light output of these logo lights will exhibit a flickering effect, giving a very unstable impression and negatively impacting the brand image. Summary of the Invention

[0027] In view of the current state of the technology, this invention overcomes the above-mentioned defects and provides a minimalist luminous logo and its implementation method.

[0028] The present invention adopts the following technical solution: the minimalist luminous logo includes an electroplated logo, logo double-sided adhesive tape, an external light-emitting lens, a first self-tapping screw, a PCBA board, a bottom shell, a breathable membrane, a grid, and a second self-tapping screw, wherein:

[0029] Electroplated logos include anti-shrinkage grooves, anti-exposed tape flanges, and positioning ribs;

[0030] External lens includes the milky white area of ​​the external lens and the high-gloss black area of ​​the external lens;

[0031] The PCBA board includes LED chips, PCB board body, pins and LED drivers. The LED drivers are integrated into the PCB board body through SMT surface mount technology and soldering.

[0032] As a further preferred technical solution to the above technical solutions, the PCBA board is screwed to the Boss post on the bottom shell by the first self-tapping screw, thus fastening the PCBA board to the bottom shell.

[0033] As a further preferred technical solution to the above technical solutions, the pins extend through the pin holes on the bottom shell and are exposed on the inside of the integrated connector on the back of the bottom shell, and the gaps between the pin holes are sealed with sealant.

[0034] As a further preferred technical solution to the above technical solutions, the bottom shell and the outer lens are fixed and pressed together by a fixture, and then fastened by welding. The welding includes ultrasonic welding, laser welding, vibration friction welding and hot plate welding processes.

[0035] As a further preferred technical solution to the above technical solutions, the electroplated logo and the logo double-sided tape are bonded together by a pressing fixture. The electroplated logo, with the logo double-sided tape, is inserted into the corresponding positioning hole slot of the external lens through the positioning post structure on the back of the electroplated logo, and is pressed together by the hole shaft. The bonding methods include interference fit, clearance fit, and bonding with thermosetting or light-curing adhesive.

[0036] As a further preferred technical solution to the above technical solutions, the breathable membrane is attached to the round hole position on the back of the base shell by its own adhesive.

[0037] As a further preferred technical solution to the above technical solutions, the milky white area of ​​the external light distribution lens includes milky white PC material, the high-gloss black area of ​​the external light distribution lens includes high-gloss black PC material, and an overlapping structure is provided between the milky white PC material and the high-gloss black PC material. The main wall thickness v of the milky white area of ​​the external light distribution lens is 2.5-4.0 mm, the main wall thickness u of the high-gloss black area of ​​the external light distribution lens is 2.2-3.0 mm, and the overlapping structure is one of the following six structures:

[0038] Structure 1: The outer surfaces of the high-gloss black area and the milky white area of ​​the outer lens are flush. A step is provided on the inner surface at the junction of the high-gloss black area and the milky white area of ​​the outer lens, with w≥0.5. The material of the step is partially removed from the high-gloss black area of ​​the outer lens and partially replenished from the milky white area of ​​the outer lens.

[0039] Structure 2: On the outer side of the outer lens where the high-gloss black area meets the outer lens milky white area, a groove feature with a width r and a depth s is provided, where r ≥ 0.5 mm and s ≥ 0.3 mm, and the outer side is flush with the groove.

[0040] Structure 3 is a fusion of Structure 1 and Structure 2;

[0041] Structure 4: The outer side of the junction between the high-gloss black area and the milky white area of ​​the outer lens is provided with a step, and the high-gloss black area of ​​the outer lens is higher than the milky white area of ​​the outer lens, s≥0.5, and the inner side is flush.

[0042] Structure 5: A step is provided on the outer side of the junction between the high-gloss black area and the milky white area of ​​the outer lens, with s≥0.5. A step is provided on the inner side of the junction between the high-gloss black area and the milky white area of ​​the outer lens, with w≥0.5. The material of the step is partially removed from the high-gloss black area of ​​the outer lens and partially replenished by the milky white area of ​​the outer lens.

[0043] Structure 6: A step is provided on the outer side of the junction between the high-gloss black area and the milky white area of ​​the outer lens, and the high-gloss black area of ​​the outer lens is lower than the milky white area of ​​the outer lens, s≥0.5. A step is provided on the inner side of the junction between the high-gloss black area and the milky white area of ​​the outer lens, w≥0.5. The material of the step is partially removed by the high-gloss black area of ​​the outer lens and partially replenished by the milky white area of ​​the outer lens.

[0044] This application also discloses a method for implementing a minimalist illuminated logo. Applying any of the above-mentioned minimalist illuminated logo technical solutions, the method includes a first illumination function mode. The first illumination function mode specifically implements: instantaneous lighting or extinguishing of the minimalist illuminated logo, and maintaining a long-term illuminated state. The implementation of the first illumination function mode is as follows: after the vehicle-side connector mates with the integrated connector on the bottom shell, the pins on the PCBA board engage with the vehicle-side connector, and power is supplied to the vehicle side. Under the drive of a preset voltage on the vehicle side, the LED driver on the PCBA board supplies power to each string of LEDs. The circuit distributes voltage, and each LED bead in each string of circuits is allocated its rated voltage. The LED bead starts to work. Under the rated operating voltage and current, the LED bead emits a predetermined light in a 120° cone-shaped area in front of it. The light shines on the inner surface of the milky white area of ​​the outer light distribution lens. After refraction and reflection, most of the light enters the milky white area of ​​the outer light distribution lens, where it is dispersed and fully mixed by the internal light diffusing agent. After refraction and reflection, most of the light passes through the outer surface of the milky white area of ​​the outer light distribution lens and radiates outward as a dense light after full mixing.

[0045] This application also discloses a method for implementing a minimalist illuminated logo. Applying any of the above-mentioned minimalist illuminated logo technical solutions, the method includes a second luminous function mode. The second luminous function mode specifically involves: gradually lighting or extinguishing the minimalist illuminated logo, controlling the duration and brightness of the gradual lighting or extinguishing, and thereby combining various light effect animations. The implementation of the second luminous function mode is as follows: a preset voltage is input to the minimalist illuminated logo from the vehicle end; the positive pin on the PCBA board inside the minimalist illuminated logo and the LED driver on the PCBA board distribute voltage to each string of circuits; and each LED in each string of circuits is allocated voltage to... The rated voltage is used, and the BCM separately sends the PWM signal to the dedicated PWM control pin on the PCBA board. This pin connects to the PWM port of the LED driver on the PCBA board, thereby controlling and adjusting the duty cycle of each voltage through the LED driver. This results in the actual voltage duty cycle of each LED on the PCBA board being fed back, and the corresponding brightness is fed back in real time. This allows the vehicle-side BCM to send the corresponding PWM to the minimalist illuminated logo in real time according to the lighting animation requirements of the vehicle's illuminated parts. The minimalist illuminated logo then displays the corresponding light effect based on the corresponding PWM feedback, which is finally presented to the outside world through the external light distribution lens.

[0046] This application also discloses a method for implementing a minimalist luminous logo. Applying any of the above-mentioned minimalist luminous logo technical solutions, the method includes a second luminous function mode. The second luminous function mode is specifically implemented as follows: the minimalist luminous logo gradually lights up or gradually turns off, and the duration and brightness of the gradual lighting or turning off are controlled, thereby combining various light effect animations. The implementation of the second luminous function mode is as follows: the voltage supplied by the vehicle BCM to the positive terminal of the minimalist luminous logo is a PWM variable voltage. The vehicle-side BCM supplies the corresponding PWM variable voltage to the minimalist luminous logo in real time according to the luminous animation requirements of the vehicle's luminous parts. The minimalist luminous logo directly feeds back the corresponding light effect according to the corresponding PWM variable voltage, and finally presents it to the outside world through an external light distribution lens.

[0047] The present invention discloses a minimalist luminous logo and its implementation method, the beneficial effects of which are:

[0048] Firstly, by using milky white PC material with added light diffusing agents (or PMMA material with added light diffusing agents), the traditional solution can replace multiple parts and processing techniques such as light diffusing plates, light guide plates, transparent lampshades, and shielding materials, while achieving a similar appearance. This reduces some plastic parts and surface treatment processes, lowers part costs, defect rates, processing and assembly difficulty, and increases the overall production speed of parts.

[0049] Secondly, by using milky-white PC material with added light diffusing agents, the brightness and light emission uniformity can be adjusted by varying the thickness of the material, thus providing excellent post-adjustment capabilities. This reduces the adjustment time for the light efficiency and uniformity of such parts, shortening the project development cycle.

[0050] Third, using a milky white material with a light-diffusing agent as the lampshade eliminates the need for other materials and paint films, resulting in higher overall light efficiency of the parts. Eliminating paint or plating materials and processes reduces production steps and improves the yield rate.

[0051] Fourth, from an energy consumption perspective, due to its extremely high light efficiency and the fact that the three LED beads are connected in series and driven by the LED driver unit, it can achieve constant current while working with the vehicle's BCM to complete animation effects such as "breathing" and "heartbeat" changes in the overall brightness of the illuminated emblem.

[0052] Fifth, the welding surface, which provides the sealing performance, is designed as a nearly flat ring. Compared to a curved surface with a large drop, this design greatly improves the reliability of the weld, resulting in a better seal around the finished product. In actual use, this provides more reliable waterproofing.

[0053] Sixth, the electroplated logo is disassembled separately and attached using double-sided tape. Furthermore, the positioning solution for the electroplated logo provides precise placement. This not only simplifies the internal structure of the external lens but also allows for precise control over the shape of the logo and the light-emitting area, as the non-emitting areas are covered by the electroplated logo while the emitting areas are exposed. This enhances quality and improves brand image.

[0054] Seventh, the bottom of the PCBA board has reserved heat dissipation space. Through the layout of heat dissipation holes around relatively high power consumption electronic components, heat dissipation can be effectively generated, so that the minimalist illuminated logo will not become dim due to insufficient light output caused by the thermal decay of LED beads.

[0055] Eighthly, the assembly scheme for the illuminated logo, base shell, and grille base adopts a pre-clamping method. During assembly, simply snap the illuminated logo into the grille. Because of the pre-clamping, the hand installing the grille light can be removed from the front of the illuminated logo without worrying about it moving or falling off. Then, simply tighten the self-tapping screws to secure the illuminated logo. This scheme makes assembly exceptionally simple while maintaining reliability.

[0056] Ninth, it provides positioning and fastening solutions for each part, combined with error-proofing solutions for each part, making the assembly process reasonable and smooth. It can be used as a mass production technology solution and is in line with the production and manufacturing cycle of mass production.

[0057] Tenth, the overall thickness of the product is relatively thin. The thickness from the bottom shell to the highest point of the front is only 35mm, which is enough to achieve uniform light emission. Attached Figure Description

[0058] Figure 1 This is a schematic diagram of the structure of the first existing luminous car logo.

[0059] Figure 2 This is a schematic diagram of the structure of the second type of existing luminous car logo.

[0060] Figure 3A This is a schematic diagram of the overall structure of this application.

[0061] Figure 3B This is a schematic diagram of the overall structure of this application (after rendering).

[0062] Figure 4 This is a schematic diagram of the exploded structure of this application.

[0063] Figure 5A This is a cross-sectional structural diagram of this application.

[0064] Figure 5B This is a schematic diagram of the light mixing principle of this application.

[0065] Figure 6 This is a circuit diagram of one of the light-emitting methods in this application.

[0066] Figure 7 This is a circuit diagram of another inventive method of this application.

[0067] Figure 8 This is a schematic diagram of the welding structure of this application.

[0068] Figure 9 This is a schematic diagram of the rear structure of this application.

[0069] Figure 10 This is a schematic diagram of the electroplating rack and electroplating fixture of this application.

[0070] Figure 11 This is a schematic diagram showing the relative positions of the electroplated logo, logo double-sided tape, and external lens in this application.

[0071] Figures 12A to 12F These are schematic diagrams of the overlapping structures of the external light distribution lenses in different schemes of this application.

[0072] Figure 13 This is a schematic diagram of the PCBA board and bottom shell of this application.

[0073] Figure 14 This is a schematic diagram of the external lens and the base shell of this application.

[0074] Figure 15 This is a schematic diagram of the bottom shell of this application.

[0075] The attached reference numerals include: 1-Electroplated logo; 11-Anti-shrinkage groove; 12-Anti-adhesive tape exposed flange; 13-Positioning rib; 2-Logo double-sided tape; 3-External lens; 31-Milk white area of ​​external lens; 32-High gloss black area of ​​external lens; 33-Positioning rib; 4-First self-tapping screw; 5-PCBA board; 51-LED lamp bead; 52-PCB board body; 53-Pin pin; 6-Bottom shell; 61-Boss post; 62-Guide rib; 63-Positioning post; 64-Positioning hole; 65-Integrated molded claw; 66-Integrated molded Boss post; 67-Integrated injection molded connector; 68-Ventilation membrane pasting area; 7-Ventilation membrane; 8-Grate (logo base); 9-Second self-tapping screw; 101-Circular positioning post; 102-Circular positioning hole; 103-Oval positioning hole; 104-Electroplated hanger; 105-Electroplated hanger. Specific implementation methods

[0076] This invention discloses a minimalist luminous logo and its implementation method. The specific implementation method of this invention will be further described below with reference to the preferred embodiment (Example 1).

[0077] Example 1.

[0078] Preferably, the minimalist illuminated logo includes an electroplated logo 1, logo double-sided tape 2, an external light-emitting lens 3, a first self-tapping screw 4, a PCBA board 5, a base shell 6, a breathable membrane 7, a grille (logo base) 8, and a second self-tapping screw 9, wherein:

[0079] The electroplated logo 1 includes an anti-shrinkage groove 11, an anti-exposed tape flange 12, and a positioning rib 13;

[0080] The external lens 3 includes an external lens milky white region 31 and an external lens high-gloss black region 32;

[0081] The PCBA board 5 includes LED beads 51, PCB board body 52, pins 53 and LED driver. The LED driver is integrated into the PCB board body 52 by SMT surface mount technology and soldering.

[0082] Furthermore, the PCBA board 5 is screwed to the Boss post 61 on the bottom shell 6 by the first self-tapping screw 4, thus securing the PCBA board 5 to the bottom shell 6.

[0083] Furthermore, the pin 53 extends through the pin hole on the bottom shell 6 and is exposed on the inside of the integrated connector on the back of the bottom shell 6. The gap between the holes is sealed with sealant.

[0084] Furthermore, the bottom shell 6 and the outer lens 3 are fixed and pressed together by a fixture, and then fastened by welding, including ultrasonic welding, laser welding, vibration friction welding and hot plate welding processes.

[0085] Furthermore, the electroplated logo 1 and the logo double-sided tape 2 are bonded together by a pressing fixture. The electroplated logo 1, with the logo double-sided tape 2 attached, is inserted into the corresponding positioning hole slot of the external lens 3 through the positioning post structure on the back of the electroplated logo 1, and is pressed together by the hole shaft. The bonding methods include interference fit, clearance fit, and bonding with thermosetting or light-curing adhesive.

[0086] Furthermore, the breathable membrane 7 is attached to the round hole position on the back of the base shell 6 (breathable membrane attachment area 68) by its own adhesive.

[0087] Furthermore, the two claws on the back of the bottom shell 6 are pre-engaged with the logo base position on the grille 8.

[0088] Preferably, the method for implementing the minimalist illuminated logo includes: a first illumination function mode, specifically implemented as: the minimalist illuminated logo momentarily lighting up or turning off, and maintaining a long-term illuminated state; the implementation of the first illumination function mode is as follows: after the vehicle-side connector mates with the integrated connector on the bottom shell 6, the pins on the PCBA board 5 engage with the vehicle-side connector, and the vehicle-side power supply begins. Driven by the preset 13.5V voltage on the vehicle-side (the vehicle-side power supply range is 9-16V), the LED driver on the PCBA board 5 distributes voltage to each string of circuits, and each string of circuits... Each LED bead 51 is supplied with a rated voltage, and the LED bead 51 begins to work. Under the rated operating voltage and current, the LED bead 51 emits a predetermined bright light within a 120° (half-angle) cone-shaped area on its front side. The bright light illuminates the inner surface of the outer light distribution lens 3's opaque area 31. After refraction and reflection, most of the light enters the opaque area 31 of the outer light distribution lens 3, where it is dispersed and fully mixed by the internal light diffusing agent. Similarly, after refraction and reflection, most of the light passes through the outer surface of the opaque area 31 of the outer light distribution lens 3 and radiates outward as a dense light beam after sufficient light mixing. Figure 5B Since the electroplated logo 1 blocks part of the light-emitting area of ​​the external light distribution lens 3 on the front, the outer surface of the external light distribution lens 3 presents the effect of the electroplated logo 1 being surrounded by a halo.

[0089] Preferably, the method for implementing a minimalist illuminated logo applies a minimalist illuminated logo, including: a second luminous function mode. The second luminous function mode is specifically implemented by: gradually lighting up or gradually turning off the minimalist illuminated logo, controlling the duration and brightness of the gradual lighting or turning off, and thereby combining various light effect animations to achieve a sensory effect that gives people a sense of "heartbeat" or "breathing." This is one way to implement the second luminous function mode. Figure 6 The process is explained as follows: The vehicle-side input provides a 13.5V voltage to the minimalist illuminated emblem. The positive pin on the PCBA board 5 inside the minimalist illuminated emblem and the LED driver on the PCBA board 5 distribute voltage to each circuit string. Each LED bead 51 in each circuit string is allocated its rated voltage. At the same time, the BCM (Body Control Module) sends a separate PWM signal to the dedicated PWM control pin on the PCBA board 5. This pin is connected to the PWM port of the LED driver on the PCBA board 5, thereby controlling and adjusting the duty cycle of each voltage path through the LED driver. This results in the actual voltage duty cycle obtained by each LED bead 51 on the PCBA board 5, and the corresponding brightness is fed back in real time. Based on the above principle, the vehicle-side BCM can send the corresponding PWM to the minimalist illuminated emblem in real time according to the lighting animation requirements of the vehicle's lighting components (and even the vehicle's sound effects) (the order, speed, duration, etc. of lighting and extinguishing). The minimalist illuminated emblem can then respond with the corresponding lighting effect based on the corresponding PWM, and finally present it to the outside world through the external light distribution lens 3.

[0090] Preferably, the method for implementing a minimalist illuminated logo, applying a minimalist illuminated logo, includes: a second luminous function mode, specifically implemented as: the gradual lighting or extinguishing of the minimalist illuminated logo, and controlling the duration and brightness of the gradual lighting or extinguishing, thereby combining various light effect animations to achieve a sensory effect that gives people a "heartbeat" or "breathing" feeling. This is the second implementation method of the second luminous function mode. Figure 7 The following is an explanation: The voltage supplied by the vehicle's BCM to the positive terminal of the minimalist illuminated logo is a PWM variable voltage. The vehicle-side BCM supplies the corresponding PWM variable voltage to the minimalist illuminated logo in real time according to the lighting animation requirements of the vehicle's lighting components (and even the vehicle's sound effects) (factors such as the order, speed, and duration of lighting and extinguishing). The minimalist illuminated logo can then directly reflect the corresponding light effect according to the corresponding PWM variable voltage, and finally present it to the outside world through the external light distribution lens 3.

[0091] The following further elaborates on the structural components of the minimalist illuminated logo.

[0092] See attached diagram. Figure 3A and Figure 3B The minimalist illuminated logo includes three appearance feature areas: a, b, and c.

[0093] Area a refers to electroplated decorative parts with a specific shape (which can also be painted parts, high-gloss injection molded parts, IML product parts, printed ink layers, or hot stamping ink layers), and can be the shape of logos from major car dealerships. This application uses... Figure 3A and Figure 3B The shape shown is used as an example to describe and define the appearance effect of the electroplating process. The appearance is an electroplated chrome finish, and the logo shape has a certain height, presenting a certain three-dimensional metallic feel. During the day, under sunlight, it exhibits a mirror-like reflection, displaying the shimmering effect of electroplated chrome, much like the traditional electroplated logos that are still widely favored by major car manufacturers.

[0094] Area b is obscured by area a. Due to the thickness of area a, there is a spatial difference in elevation between the front surfaces of area b and area a, creating a sense of depth. Area b appears milky white in bright environments; in darkness, when area b is illuminated, this milky white area emits a soft white light (when used as a daytime running light or position light, it displays exposure; when used as an ambient light, it can also display RGB colors), which is the illuminated area facing the outside world.

[0095] Area B, obscured by area A, is divided into multiple zones, allowing for the definition of illuminated areas based on the logos of various car manufacturers. This creates a hazy, glowing effect around the logo's perimeter. Especially in darkness or low-light environments, the divided areas around the logo are illuminated, and with the reflection from area A, they emit a uniform, three-dimensional, milky-white glow. The company logo letters and the white-glowing area highlighting them stand out clearly from the obscured boundaries, creating a striking and technologically advanced effect.

[0096] Area C is a high-gloss black. Located on the outermost edge of the entire component, it surrounds the milky-white area of ​​area B. The high-gloss black (piano black) color envelops the entire component, creating a striking contrast with the milky-white area. Especially in dim light or at night, the high-gloss black blends seamlessly into the surrounding black, highlighting the illuminated area—area B—adding to its mystique and leaving a lasting impression.

[0097] See attached diagram. Figure 4 The minimalist illuminated logo includes an electroplated logo 1, logo double-sided tape 2, an external light-emitting lens 3, a first self-tapping screw 4, a PCBA board 5, a bottom shell 6, a breathable membrane 7, a grid (logo base) 8, and a second self-tapping screw 9.

[0098] The electroplated logo 1 includes an anti-shrinkage groove 11, an anti-exposed tape flange 12, and a positioning rib 13.

[0099] The external light distribution lens 3 includes an external light distribution lens milky white region 31 and an external light distribution lens high-gloss black region 32.

[0100] The PCBA board 5 includes LED beads 51, a PCB board body 52, pins 53, and various electronic components such as LED drivers. The LED drivers and other electronic components have been integrated into the PCB board body 52 through SMT surface mount technology and soldering processes.

[0101] The PCBA board 5 is screwed to the boss post 61 on the bottom shell 6 via the first self-tapping screw 4, thus securing the PCBA board 5 to the bottom shell 6. The pins 53 on the PCBA board 5 extend through the pin holes on the bottom shell 6, protruding from the inner side of the integrated connector on the back of the bottom shell 6 (the gaps between the pins can be sealed with sealant). The bottom shell 6 and the outer optical lens 3 are fixed and pressed together using a fixture, and then secured by ultrasonic welding, achieving the required sealing performance (not only ultrasonic welding, but also...). (The process can be laser welding, vibration friction welding, or hot plate welding); the electroplated logo 1 and the logo double-sided adhesive tape 2 are firmly bonded together by a pressing fixture; the electroplated logo 1, with the logo double-sided adhesive tape 2, is inserted into the corresponding positioning hole slot of the external lens 3 through the positioning post structure on the back of the electroplated logo 1, and is pressed into one piece by an interference fit between the hole and shaft (not limited to the interference fit between the positioning post on the electroplated logo 1 and the corresponding positioning hole slot of the external lens 3, but also the clearance fit and the use of thermosetting). (Or a method of bonding together with light-curing adhesive); the breathable membrane 7 is attached to the round hole position on the back of the base shell 6 (breathable membrane attachment area 68) through its own adhesive; the integral part composed of electroplated logo 1, logo double-sided tape 2, external lens 3, first self-tapping screw 4, PCBA board 5, base shell 6, and breathable membrane 7 is pre-engaged with the logo base position on the grille (logo base) 8 through two clips on the back of the base shell 6 (this application uses two clips as an example); the second self-tapping screw 9, a total of 3 The logo, along with the electroplated emblem 1, emblem double-sided tape 2, external lens 3, first self-tapping screw 4, PCBA board 5, bottom shell 6, and breathable membrane 7, forms an integral part (limited to 3 second self-tapping screws 9; this application uses 3 self-tapping screws as an example for explanation). This ensures the secure assembly of the minimalist illuminated emblem on the grille 8, thereby ensuring that the vehicle will not produce low-level abnormal noises, loosening, or even falling off under conditions of hot and cold, bumpy roads, or impacts from small stones, which would negatively affect the brand image of the car company.

[0102] See attached diagram. Figure 5A and Figure 5B,as well as Figure 6 and Figure 7 The minimalist illuminated logo (the method for implementing the minimalist illuminated logo includes) includes a first illumination function mode, which specifically includes: instantaneous lighting or extinguishing of the minimalist illuminated logo, as well as maintaining a long-term illuminated state. The first illumination function mode is implemented as follows: after the vehicle-side connector mates with the integrated connector on the bottom shell 6, the pins on the PCBA board 5 engage with the vehicle-side connector, and power is supplied to the vehicle side. Driven by a preset 13.5V voltage on the vehicle side (the vehicle-side power supply range is 9-16V), the LED driver on the PCBA board 5 distributes voltage to each string of circuits, and each LED bead 51 in each string of circuits receives its rated voltage. Thus, the LED bead 51 begins to operate. Under rated operating voltage and current, the LED bead 51 emits a predetermined bright light within a 120° (half-angle) cone-shaped area on its front side. This bright light illuminates the inner surface of the outer light distribution lens 3's opaque area 31. After refraction and reflection, most of the light enters the opaque area 31 of the outer light distribution lens 3, where it is dispersed and fully mixed by the internal light diffusing agent. Similarly, after refraction and reflection, most of the light passes through the outer surface of the opaque area 31 on the outer light distribution lens 3 and radiates outwards as a dense, well-mixed beam of light. Figure 5B Since the electroplated logo 1 blocks part of the light-emitting area of ​​the external light distribution lens 3 on the front, the outer surface of the external light distribution lens 3 presents the effect of the electroplated logo 1 being surrounded by a halo.

[0103] See attached diagram. Figure 5A and Figure 5B ,as well as Figure 6 and Figure 7 The minimalist illuminated logo (the method for implementing the minimalist illuminated logo includes) includes a second luminous function mode. The second luminous function mode is specifically implemented by: gradually lighting up or gradually turning off the minimalist illuminated logo, and controlling the duration and brightness of the gradual lighting or turning off, thereby combining various light effect animations to achieve a sensory effect that gives people a feeling of "heartbeat" or "breathing." One method of implementing the second luminous function mode ( Figure 6The process is as follows: The vehicle-side input provides a 13.5V voltage to the minimalist illuminated emblem. The positive pin on the PCBA board 5 within the emblem, along with the LED driver on the PCBA board 5, distributes voltage to each circuit string. Each LED bead 51 in each circuit string receives its rated voltage. Simultaneously, the BCM (Body Control Module) sends a dedicated PWM signal to the PWM control pin on the PCBA board 5. This pin connects to the PWM port of the LED driver on the PCBA board 5, thereby controlling and adjusting the duty cycle of each voltage path. This results in feedback of the actual voltage duty cycle to each LED bead 51 on the PCBA board 5, and the corresponding brightness is displayed in real time. Based on this principle, the vehicle-side BCM can provide the corresponding PWM to the minimalist illuminated emblem in real time, according to the lighting animation requirements of the vehicle's illuminated components (and even the vehicle's sound effects) (the order, speed, and duration of lighting up and off). The minimalist illuminated emblem then displays the corresponding lighting effect based on the PWM feedback, which is ultimately presented to the outside world through the external light distribution lens 3. The number of pins on PCBA board 5 involved in this solution is ≥3 pins.

[0104] See attached diagram. Figure 5A and Figure 5B ,as well as Figure 6 and Figure 7 The minimalist illuminated logo (the method for implementing the minimalist illuminated logo includes) includes a second luminous function mode. The second luminous function mode is specifically implemented as follows: the minimalist illuminated logo gradually lights up or gradually turns off, and the duration and brightness of the gradual lighting or turning off are controlled, thereby combining various light effect animations to achieve a sensory effect that gives people a feeling of "heartbeat" or "breathing." The second implementation method of the second luminous function mode ( Figure 7 The explanation is as follows: with Figure 6 The key difference in implementation is that the PCBA board 5 inside the minimalist illuminated logo does not have a dedicated pin for the vehicle's BCM to input PWM signals. Instead, the voltage supplied by the vehicle's BCM to the positive terminal of the minimalist illuminated logo is not a stable high-potential voltage of 13.5V (9-16V), but a point-adjustable voltage, which we call the PWM variable voltage. The vehicle-side BCM supplies the corresponding PWM variable voltage to the minimalist illuminated logo in real time based on the lighting animation requirements of the vehicle's illuminated components (and even the vehicle's sound effects) (factors such as the order, speed, and duration of lighting up and off). The minimalist illuminated logo can then directly reflect the corresponding light effect based on the PWM variable voltage, which is ultimately displayed to the outside world through the external light distribution lens 3. When using this solution, it is important to note that the frequency of the corresponding PWM variable voltage must be ≥80Hz, at which point there is no flickering perceptible to the naked eye. The number of pins on the PCBA board 5 involved in this solution is ≥2 pins.

[0105] The LED bead 51 must first meet automotive-grade requirements. Furthermore, to meet brightness and uniform light emission requirements, the LED bead 51 involved in this invention has an applicable operating temperature range of -40 to +125℃ or within that range, and a junction temperature of ≤150℃.

[0106] To meet the requirements for brightness and uniform light output, the LED bead 51 involved in this invention needs to be used in conjunction with a corresponding milky white material on the external light distribution lens 3. The corresponding milky white material on the external light distribution lens 3 is made of milky white PC material with added light diffusing agents (in addition to milky white PC, it also includes milky white PMMA material with added light diffusing agents). Under LED backlighting, it exhibits a very uniform light distribution and high transmittance. Furthermore, to achieve uniform light output, the minimum thickness of the milky white material emitting area of ​​the external light distribution lens 3 must be controlled to be above 2.5mm. The minimum distance from the front of the LED bead 51 to the light-emitting point of the milky white lampshade, and to the inner side of the light-emitting surface, must be controlled to be above 8mm, thereby ensuring sufficient light mixing space and guaranteeing the final brightness and uniformity of the emitted light.

[0107] In terms of energy consumption, the PCBA board 5 has ≥10 LED beads, and an LED driver is used to drive the LED beads 51 (e.g., Figure 6 , 7 The system consists of multiple parallel sets of LEDs (51 LEDs) connected in series (either 2 LEDs 51 connected in series with an external resistor) and multiple sets of LEDs 51 connected in series with an external resistor. The entire minimalist illuminated logo is powered by a 13.5V rated vehicle voltage (meeting 9-16V), with a total current ≤800mA.

[0108] See attached diagram. Figure 8 The minimalist luminous logo fully meets the airtightness and watertightness requirements of logo lights. The outer lens 3 and the base shell 6 are fully welded around their perimeter to ensure airtightness and watertightness. At the perimeter welding points, this patent provides a relatively basic welding structure, such as... Figure 8 As shown, a boss is provided around the 6th circumference of the bottom shell, with a boss width c ≥ 0.8 mm, a boss height e of 0.5–1.5 mm, and a slope g of 0.2°–1.0° on both sides of the boss; the main body of the triangular weld rib is triangular, with a width a of 0.4–0.8 mm and a height b of 0.4–0.8 mm; the thickness d of the weld overflow baffle is 0.8–2.0 mm; the width f of the finishing seam after welding is 0.1–0.5 mm; except for the top of the triangular weld rib, all corners are rounded to prevent excessive stress concentration during injection molding, which could lead to breakage or cracking during welding. An aluminum alloy welding head is used for welding, and an aluminum alloy resin mold is used for the base to ensure effective support directly below the triangular weld rib and facilitate the handling of parts.

[0109] The back of the bottom shell 6 has a pre-drilled hole for attaching a breathable membrane. This prevents rainwater, car wash water, and other external water from directly entering the parts, while allowing moisture to pass through the breathable membrane to dissipate to the outside. This prevents moisture from condensing inside the parts and forming water accumulation, which could damage the circuitry.

[0110] In terms of heat dissipation, numerous heat dissipation holes are evenly distributed around the LED beads 51, resistors, and other high-power electronic components on the PCBA board 5 to quickly dissipate the generated heat. To improve heat dissipation space, a gap is reserved between the PCBA board 5 and the inner bottom of the base shell 6. Among the electronic components on the PCBA board 5, higher-power components and other electronic components, especially the LED beads 51, are distributed as far away from the LED beads 51 as possible to disperse heat, accelerate heat dissipation, and prevent a decrease in the luminous flux of the LED beads 51 caused by excessively high local temperatures from surrounding high-heat electronic components.

[0111] The working principle of the minimalist illuminated logo is further explained below.

[0112] See attached diagram. Figures 9 to 11 The electroplated logo 1, as a symbol of the company's image, needs to be securely adhered to the back of the logo double-sided tape 2, and the logo double-sided tape 2 must not be exposed. Therefore, an approximately 1mm wide anti-exposed tape flange 12 is set around the electroplated logo 1. The height of this flange is about 0.5mm lower than the logo double-sided tape 2, so that when the electroplated logo 1 is pressed and bonded to the outer lens 3 by the logo double-sided tape 2, a compression amount of about 0.5mm is reserved, thereby maintaining a certain compression bonding pre-tightening force.

[0113] The substrate of the electroplated logo 1 is injection molded from ABS material (or PC+ABS). Therefore, the appearance of the material must be considered. The standard wall thickness of this material is 2.2–3.5 mm, and the connecting ribs on the bottom of the main surface need to be controlled to 1 / 3 or less of the main wall thickness to effectively prevent shrinkage on the surface of the part material, ultimately preventing shrinkage on the finished electroplated part (which will amplify the shrinkage defect after electroplating). Therefore, some anti-shrinkage grooves 11 need to be reasonably arranged on the back of the part. The area on the back of the electroplated logo 1, excluding the anti-shrinkage grooves 11, needs to be used to attach the logo double-sided tape 2. This tape must not loosen or fall off under harsh driving conditions and usage environments. Therefore, the area of ​​the logo double-sided tape 2 on the back of the electroplated logo 1, excluding the anti-shrinkage grooves 11, needs to be ≥60% of the total area of ​​the back.

[0114] The electroplated logo 1 is injection molded from ABS material (or PC+ABS) and then produced using a water-plating process. Therefore, the electroplating hanger 104 required for water plating needs to be fully considered. Figure 10 The shape of the electroplating hanger 104 and the snapping method between the electroplating hanger 104 and the electroplating hanger 105 are set appropriately, and cathodic protection is set in a reasonable position to avoid various electroplating defects such as plastic exposure, yellowing, burning, and deformation during the water plating process.

[0115] In this process, after the double-sided adhesive tape 2 is pasted onto the back of the electroplated logo 1, it needs to be pressed and adhered to the front of the external light distribution lens 3. However, the light-emitting area of ​​the external light distribution lens 3 is relatively thin, and large deviations in the pasting position of the electroplated logo 1 are not allowed. Therefore, the following structure is used for precise positioning between the two ( Figure 11 Two circular positioning posts 101 are provided on the back of the electroplated logo 1 (according to the principle of the longest distance between two points). Circular positioning holes 102 and waist-shaped positioning holes 103 are provided on the corresponding external optical lens 3. The circular positioning posts 101, circular positioning holes 102, and waist-shaped positioning holes 103 are fitted with clearance. The circular positioning posts 101 control two directions to prevent movement; the waist-shaped positioning holes 103 control one direction to prevent rotation.

[0116] As the connector between the electroplated logo 1 and the external lens 3, the logo double-sided tape 2 needs to be firmly bonded to both. It must meet standard operating requirements for double-sided tape, including cleaning the parts surface before operation, a certain operating temperature, and a certain pressure. To accommodate the bonding method, a certain pre-tightening force is applied during the pressing process, and the thickness of the logo double-sided tape 2 is set to 0.8mm. The outer circumference of the logo double-sided tape 2 needs to be smaller than the exposed flange 12 of the electroplated logo 1, with a gap of 0.5mm or more. At the point where it overlaps with the positioning post of the electroplated logo 1, a punched through hole needs to be provided on its inner side. The single-sided gap n between the through hole and the positioning post of the electroplated logo 1 should be maintained at 0.5mm or more. Figure 11 This ensures that the double-sided logo tape 2 does not interfere with the exposed edge 12 and positioning posts of the electroplated logo 1 during the application process. To further ensure that the double-sided logo tape 2 does not interfere with the electroplated logo 1 during application, a release liner with positioning holes is required on the double-sided logo tape 2. These positioning holes must engage with the positioning posts on the bonding fixture for the double-sided logo tape 2 and the electroplated logo 1 to guarantee the positional accuracy of the double-sided logo tape 2 during application.

[0117] See attached diagram. Figures 12A to 12FThe most important light-emitting component of the minimalist luminous logo is the external light-emitting lens 3. The external light-emitting lens 3 includes a milky white area 31 and a high-gloss black area 32, and is primarily manufactured using a two-color injection molding process. Firstly, the milky white area 31, the light-emitting area, is mainly made of milky white PC material with added light diffusing agents (in addition to milky white PC material, it also includes milky white PMMA material with added light diffusing agents). Milky white PC material possesses high mechanical strength and surface hardness. Combined with a corresponding UV hard coating, this greatly enhances weather resistance and surface abrasion resistance (typically 2H or higher). Secondly, the high-gloss black area 32 primarily uses high-gloss black PC material (in addition to black PC material, it also includes black PMMA material), and like the milky white area 31, it undergoes a UV hard coating surface treatment to enhance weather resistance and surface abrasion resistance. Thirdly, the main challenge in designing the external light distribution lens 3 lies in the overlapping structure between the milky white PC material and the high-gloss black PC material. There are six overlapping structure options: AA, AB, AC, BA, BB, and BC, corresponding to... Figures 12A to 12FFor these six schemes, the main wall thickness v of the milky white region 31 of the external lens is 2.5 to 4.0 mm, and the main wall thickness u of the high-gloss black region 32 of the external lens is 2.2 to 3.0 mm. Scheme AA has a flush outer surface (without a step) where the outer surfaces of the high-gloss black region 32 and the outer-gloss white region 31 of the outer lens meet. A step, w≥0.5, is provided on the inner surface at the junction of the high-gloss black region 32 and the outer-gloss white region 31. This step involves material removal from the high-gloss black region 32 and replenishment from the outer-gloss white region 31. Scheme AB has a groove feature of a certain width r and depth s, r≥0.5mm and s≥0.3mm, on the outer surface where the high-gloss black region 32 meets the outer-gloss white region 31. Its outer surface is flush. Scheme AC is a fusion of the features of Schemes AA and AB. Scheme BA has a step on the outer surface at the junction of the high-gloss black region 32 and the outer-gloss white region 31, with the high-gloss black region 32 higher than the outer-gloss white region 31, and s≥0.5. The inner surface of the outer lens is flush with the inner surface; Scheme BB is that a step is provided on the outer surface of the junction between the outer lens's high-gloss black area 32 and the outer lens's milky white area 31, with s≥0.5, and a step is provided on the inner surface of the junction between the outer lens's high-gloss black area 32 and the outer lens's milky white area 31, with w≥0.5. The material of the step is partially removed by the outer lens's high-gloss black area 32 and partially replenished by the outer lens's milky white area 31; Scheme BC is that a step is provided on the outer surface of the junction between the outer lens's high-gloss black area 32 and the outer lens's milky white area 31, and the outer lens's high-gloss black area 32 is lower than the outer lens's milky white area 31, with s≥0.5. A step is provided on the inner surface of the junction between the outer lens's high-gloss black area 32 and the outer lens's milky white area 31, with w≥0.5. The material of the step is partially removed by the outer lens's high-gloss black area 32 and partially replenished by the outer lens's milky white area 31.

[0118] See attached diagram. Figure 13This illustrates the solution for PCBA board 5. The PCB board body 52 includes a copper layer and FR-4 material. It is screwed to a boss post 61 on the base shell 6 using a first self-tapping screw 4 and a second automatic screw 9. The boss post 61 protrudes slightly inside the base shell 6 and serves as the X-axis reference for the PCBA board 5, pressing against the PCB board body 52. ​​Simultaneously, guide ribs 62 are provided around the base shell 6 for guiding the PCBA board 5 during assembly. A circular positioning hole 102 and a waist-shaped positioning hole 103 are provided in the center of the PCBA board 5. These, along with the circular positioning post 101 on the base shell 6 and the holes on the PCBA board 5, provide Y and Z-axis positioning and anti-rotation. Pins 53 are soldered onto the PCBA board 5. To strengthen the pins 53, all pins 53 are pre-molded into a single piece using injection molding molding techniques, forming an integrated pin assembly. Figure 13 Then, the pin 53 is soldered to the PCBA board 5, which greatly increases the strength of the pin 53 after soldering and the relative positional relationship between the pins 53. It will not fall off or break the circuit due to the plugging and unplugging of the connector, and can accurately align with the other connector.

[0119] See attached diagram. Figure 13 and Figure 14 This diagram illustrates the guiding and positioning solution for welding the outer lens 3 and the base shell 6. A positioning rib 33 is provided on the outer side of the high-gloss black area 32 of the outer lens. The positioning rib 33 extends into the outer side of the base shell 6, maintaining a gap of 0.1–0.15 mm between the positioning rib 33 and the base shell 6 on both sides. The C-angle at the head of the positioning rib 33 serves as a guide, and the top of the positioning rib 33 extends ≥2 mm beyond the bottom edge of the base shell 6. The mating structures between the positioning rib 33 and the base shell 6 are respectively located at the left, right, and bottom of the minimalist luminous logo.

[0120] See attached diagram. Figure 15 The bottom shell 6 is mainly made of PC+ABS material. A boss column 61 is set on the inner side of the bottom shell 6. Except for its height inside the bottom shell 6, the remaining height of the boss column 61 is all located on the outside of the bottom shell 6. Figure 15Furthermore, the Boss pillar 61 cannot be a through hole, thus reducing the internal space of the minimalist illuminated emblem. A positioning pillar 63 is provided on each of the left and right sides of the outer shell 6, with positioning holes 64 at the corresponding grille 8 mounting locations for positioning the minimalist illuminated emblem on the grille 8. Integrated molded claws 65 are also provided on the left and right sides of the outer shell 6, staggered from each other, with three integrated molded Boss pillars 66 evenly distributed around the perimeter of the shell 6. The integrated molded claws 66 are mainly used for pre-assembly of the minimalist illuminated emblem, i.e., initially snapping the emblem onto the grille 8; while the three integrated molded Boss pillars 66 provide a very secure fixing method, firmly attaching the minimalist illuminated emblem to the grille 8, making it an integral part of the grille 8, thus coping with the vehicle's harsh road conditions. The outer shell 6 also features an integrated injection-molded connector 67. The dimensions of the integrated injection-molded connector perfectly match the other end of the connector, forming a sealed space, and the integrated injection molding solution replaces the purchase of connectors, thereby reducing the overall cost of the minimalist illuminated emblem. In addition, a through hole is provided on the bottom shell 6, and a platform is provided outside the through hole. This platform is the area 68 for attaching the breathable membrane. A small ring of small ribs is also made around the area 68 for visual identification of the attachment area.

[0121] It is worth mentioning that the specific processes and other technical features of the thermosetting process involved in this patent application should be regarded as prior art. The specific structure, working principle, and possible control methods and spatial arrangement methods of these technical features can be conventionally selected in the field and should not be regarded as the inventive point of this patent. This patent will not be further elaborated in detail.

[0122] For those skilled in the art, modifications can still be made to the technical solutions described in the foregoing embodiments, or equivalent substitutions can be made to some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of this invention should be included within the protection scope of this invention.

Claims

1. A minimalist luminous logo, characterized in that, This includes the electroplated logo, logo double-sided tape, external lens, first self-tapping screw, PCBA board, bottom shell, venting membrane, and logo base on the grille, among which: The electroplated logo includes anti-shrinkage grooves, anti-exposed tape flanges, and positioning ribs. The electroplated logo, along with the logo double-sided tape, is inserted into the corresponding positioning hole slot of the external lens through the positioning post structure built into the back of the electroplated logo, and is pressed into one piece by the hole shaft. The external light distribution lens adopts a two-color injection molding process. The external light distribution lens includes an external light distribution lens milky white area and an external light distribution lens high gloss black area. The external light distribution lens milky white area includes milky white PC material with added light diffusing agent. The external light distribution lens high gloss black area includes high gloss black PC material. There is an overlapping structure between the milky white PC material and the high gloss black PC material. The PCBA board includes LED beads, PCB board body, pins and LED driver. The LED driver is integrated into the PCB board body through SMT surface mount technology and soldering. The PCBA board is screwed to the Boss post on the bottom shell by the first self-tapping screw, and the PCBA board is fastened to the bottom shell. A gap is reserved between the PCBA board and the bottom inside of the bottom shell. Heat dissipation holes are evenly distributed around the LED beads and high power electronic components on the PCBA board. The bottom shell and the outer lens are fixed and pressed together by a fixture, and then fastened by welding. The welding includes ultrasonic welding, laser welding, vibration friction welding or hot plate welding. The back of the bottom shell is provided with two integrally formed claws that are pre-engaged with the logo base position on the grille. The pins protrude through pin holes on the bottom shell and are exposed on the inside of the integrated connector on the back of the bottom shell. The gaps between the pin holes are sealed with sealant. The breathable membrane is attached to the round hole on the back of the base shell using its own adhesive.

2. The minimalist luminous logo according to claim 1, characterized in that, Electroplated logos and logo double-sided tape are bonded together using a pressing fixture, with methods including interference fit, clearance fit, and bonding with heat-curing or light-curing adhesives.

3. The minimalist luminous logo according to claim 1, characterized in that, The main wall thickness v of the milky white area of ​​the external lens is 2.5~4.0mm, and the main wall thickness u of the high-gloss black area of ​​the external lens is 2.2~3.0mm. The overlapping structure is one of the following six structures: Structure 1: The outer surfaces of the high-gloss black area and the milky white area of ​​the outer lens are flush. A step is provided on the inner surface at the junction of the high-gloss black area and the milky white area of ​​the outer lens, with w≥0.

5. The material of the step is partially removed from the high-gloss black area of ​​the outer lens and partially replenished from the milky white area of ​​the outer lens. Structure 2: On the outer side of the outer lens where the high-gloss black area meets the outer lens milky white area, a groove feature with a width r and a depth s is provided, where r ≥ 0.5 mm and s ≥ 0.3 mm, and the outer side is flush with the groove. Structure 3 is a fusion of Structure 1 and Structure 2; Structure 4: The outer side of the junction between the high-gloss black area and the milky white area of ​​the outer lens is provided with a step, and the high-gloss black area of ​​the outer lens is higher than the milky white area of ​​the outer lens, s≥0.5, and the inner side is flush. Structure 5: A step is provided on the outer side of the junction between the high-gloss black area and the milky white area of ​​the outer lens, with s≥0.

5. A step is provided on the inner side of the junction between the high-gloss black area and the milky white area of ​​the outer lens, with w≥0.

5. The material of the step is partially removed from the high-gloss black area of ​​the outer lens and partially replenished by the milky white area of ​​the outer lens. Structure 6: A step is provided on the outer side of the junction between the high-gloss black area and the milky white area of ​​the outer lens, and the high-gloss black area of ​​the outer lens is lower than the milky white area of ​​the outer lens, s≥0.

5. A step is provided on the inner side of the junction between the high-gloss black area and the milky white area of ​​the outer lens, w≥0.

5. The material of the step is partially removed by the high-gloss black area of ​​the outer lens and partially replenished by the milky white area of ​​the outer lens.

4. A method for implementing a minimalist luminous logo, characterized in that, The application of the minimalist illuminated logo as described in any one of claims 1-3 includes a first illumination function mode, which specifically comprises: instantaneous lighting or extinguishing of the minimalist illuminated logo, and maintaining a long-term illuminated state; the first illumination function mode is implemented as follows: after the vehicle-side connector mates with the integrated connector on the bottom shell, the pins on the PCBA board engage with the vehicle-side connector to connect, and the vehicle-side begins to supply power. Driven by a preset voltage on the vehicle-side, the LED driver on the PCBA board distributes voltage to each string of circuits, and in each string of circuits... Each LED bead is assigned a rated voltage, and the LED bead begins to work. Under the rated operating voltage and current, the LED bead emits a predetermined light within a 120° cone-shaped area in front of it. The light illuminates the inner surface of the milky white area of ​​the outer light distribution lens. After refraction and reflection, most of the light enters the milky white area of ​​the outer light distribution lens, where it is dispersed and fully mixed by the internal light diffusing agent. After refraction and reflection, most of the light passes through the outer surface of the milky white area of ​​the outer light distribution lens and radiates outward as a dense light after sufficient light mixing.

5. A method for implementing a minimalist luminous logo, characterized in that, The application of the minimalist illuminated logo as described in any one of claims 1-3 includes a second luminous function mode. The second luminous function mode specifically comprises: gradually lighting up or gradually turning off the minimalist illuminated logo, controlling the duration and brightness of the gradual lighting or turning off, and thereby creating various light effect animations. The implementation of the second luminous function mode is as follows: a preset voltage is input to the minimalist illuminated logo from the vehicle end; the positive pin on the PCBA board inside the minimalist illuminated logo and the LED driver on the PCBA board distribute voltage to each string of circuits; each LED in each string of circuits is allocated its rated voltage; and simultaneously, the BCM... A dedicated PWM control pin is sent to the PCBA board. This pin connects to the PWM port of the LED driver on the PCBA board, thereby controlling the duty cycle of each voltage path through the LED driver. This results in the actual voltage duty cycle of each LED on the PCBA board being fed back, and the corresponding brightness is displayed in real time. This allows the vehicle-side BCM to send the corresponding PWM to the minimalist illuminated logo in real time according to the lighting animation requirements of the vehicle's illuminated components. The minimalist illuminated logo then displays the corresponding light effect based on the PWM feedback, which is ultimately presented to the outside world through the external lens.

6. A method for implementing a minimalist luminous logo, characterized in that, The application of the minimalist luminous logo as described in any one of claims 1-3 includes a second luminous function mode. The second luminous function mode is specifically implemented as follows: the minimalist luminous logo gradually lights up or gradually turns off, and the duration and brightness of the gradual lighting or turning off are controlled, thereby combining various light effect animations. The implementation method of the second luminous function mode is as follows: the voltage supplied to the positive terminal of the minimalist luminous logo by the vehicle BCM is a PWM variable voltage. The vehicle-side BCM supplies the corresponding PWM variable voltage to the minimalist luminous logo in real time according to the luminous animation requirements of the vehicle's luminous components. The minimalist luminous logo directly feeds back the corresponding light effect according to the corresponding PWM variable voltage, and finally presents it to the outside world through the external light distribution lens.

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