Weather-Resistant Solutions for Automotive Lighting Systems

A headlamp heater that uses radiation to prevent condensation and ice on the lens. The heater has a heating element that emits infrared radiation toward the lens. The radiation stimulates convection inside the headlamp to remove condensation and also melts ice/snow on the outside. The heating element is angled and shaped to direct the radiation pattern toward the lens in a way that matches the beam pattern of the headlamp bulb. This prevents condensation and ice without affecting the bulb or lens lifespan as fans or resistive wires can.

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Compact, durable, and customizable LED switch for marine applications that can control high-current devices like pumps and horns. The switch uses an encapsulated LED switch combined with an integral MOSFET power driver PCB. This allows a low-power LED switch to control the output of a high-power driver that can handle heavy currents. The switch assembly is sealed in epoxy to make it waterproof and resistant to marine environments. The power driver PCB can be swapped to match load requirements. It provides a solution for getting high-current capability from a small LED switch that is ideal for marine use.

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A forward LED light with cooling capabilities to melt ice and keep the lens clear, using a heat transfer device and temperature sensing to distribute heat from inside the light to a heatsink cover on the outside. This allows the light to use its own heat to deice the lens and prevent obstructions in cold and snowy conditions. The device detects low temperatures inside the light and activates a heating element on the front heatsink cover to generate more heat for deicing.

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Dust cover for car lamps that prevents fogging and moisture buildup inside the lamp housing. The cover has a housing with an air-permeable film sealing one end. Inside the housing is a moisture absorbent made of hygroscopic material like magnesium chloride, a curable inorganic substance, and polymer wax. The absorbent expands when wet to block moisture ingress. The cover seals the housing opening to prevent airflow and moisture ingress while allowing water vapor out. This prevents dew condensation inside the lamp. The absorbent keeps humidity low for extended periods by absorbing and holding moisture. The cover has specific absorbent compositions and moisture properties for optimal performance.

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Waterproof outdoor LED light that can withstand exposure to moisture and weather. The light uses a unique waterproofing technique to seal the LED components inside a heat shrink tube. This involves partially melting a fusible insulator between the LED leads and connections, then shrinking a heat shrink tube over it to create a watertight seal around the LED. This protects the LED core from water ingress while allowing heat dissipation. The sealed LED core can be used in applications like outdoor lighting, where moisture resistance is important.

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Waterproof lamp decoration with interchangeable covers to prevent moisture ingress and allow customization. The lamp has a sealed waterproof unit with an LED board, wires, and cap, enclosed by an injected molded body. The cap has holes for wires. The body seals the gaps and joins the shell, cap, and wires. A detachable cover surrounds the shell. This prevents water entry through cap holes and shell gaps, making the lamp waterproof. The cover can be swapped for different designs.

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Vehicle body structure to prevent water from entering lamp housings through ventilation ports. The structure has a cap covering the ventilation port, a waterproof wall around the cap, and a water-resistant cover over the waterproof wall opening. The cover has an additional drain port further outside the waterproof wall in the radial direction. This allows water that enters the gap between the cover and wall to drain out through the separate drain port, preventing it from reaching the cap and potentially entering the lamp body via the ventilation port.

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Display unit with waterproofing and simplified manufacturing compared to conventional methods. The display unit has a circuit board with mounted LEDs, enclosed in a case and sealed with a waterproof film. This provides waterproofing without needing silicone fill or molding steps. The case and film seal the LEDs and circuit board edges, eliminating the need for separate sealing steps.

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A waterproof LED lamp closing structure that prevents water ingress at high pressures. The structure has two interconnected casings enclosing the LED light source. The casings have injection molded closing films on their connection surfaces that mate together to seal. This allows the lamp to be submerged at pressures up to 55 MPa without water entry.

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Lamp for vehicles that has a translucent cover over the sensor to maintain accuracy over time. The cover has two portions made of different materials. The main portion is a common material like polycarbonate. The smaller secondary portion is a more weather-resistant material like acrylic or glass. This prevents long-term degradation of the translucent material that affects sensor performance. The boundary between the two portions is designed to be visually seamless to prevent noticeable differences.

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Rear facing light bar for mounting to a vehicle like a racing car that integrates multiple rear lights like taillights, brake lights, turn signals, backup lights etc into a single compact unit. The light bar has a multifunction circuit board with LEDs for all light functions, sealed end caps with direct heat transfer to dissipate board heat, and a scalloped extruded housing that holds the LED tube and provides mounting. The integrated design provides a compact, sealed, and low cost rear light bar compared to replacing individual lights.

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Lighting and signaling device for vehicles that prevents internal fogging and condensation without seals or ventilation. The device has an inner chamber with an optical system and polymer components. The polymer surfaces facing the chamber interior are treated to create a sealing layer preventing water molecules from penetrating. This prevents absorbed water re-emergence and forces it outward. The sealing layer can be a deposited coating or treated surface.

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Thin outer lens for headlights that can be molded without burrs and used in headlights with reduced weight and thickness. The lens has a facing portion, peripheral portion, sealing projection, and water guard rib. The facing portion, peripheral portion, and sealing projection all have the same thickness. The sealing projection connects to the peripheral portion. The water guard rib connects to the sealing projection. The lens thickness is less than the sealing projection minimum but greater than the water guard rib minimum. This allows molding the thin lens without burrs using a simpler tool compared to conventional thicker lenses.

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Vapor-tight lighting fixture with removable lamp assembly for easy maintenance and retrofitability. The fixture has a separable upper and lower housing with a sealed lens in between. The lamp assembly slides in and out through an end opening in the lower housing. This allows replacing the lamp assembly without removing the entire fixture or electronics. It also enables converting between lamp types like fluorescent to LED by swapping assemblies.

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Sealing structure for vehicle lighting units that prevents turning of the sealing member during installation to ensure complete sealing. The sealing member surrounds the bulb socket and attaches to the sealing wall extending from the frame. Engagement protrusions extend from the frame parallel to the wall. The sealing member has holes for the protrusions to provide friction and prevent turning. This sandwiches the sealing member between the wall and panel to seal the space. Temporary fixings hold the sealing member before final attachment.

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Vehicle lamp design to prevent contamination inside the lamp chamber. The lamp has a housing, outer cover, lamp unit, sealing member, and an adhesive member inside the chamber. The adhesive member is exposed inside the chamber to catch and retain any contaminants that may scatter inside the lamp due to vibrations. This prevents the contaminants from settling on visible surfaces like the lamp unit's extension and degrading the lamp's appearance.

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Reusable housing for connecting replaceable lighting units like halogen bulbs to standard sockets without using adhesives to reduce chemical and UV emissions. The housing has a main body, detachable holder for the lighting unit, and a cover that can be opened to access the unit. The housing components are mechanically fastened instead of using adhesives. This allows disassembly and replacement of parts without offgassing chemicals or UV radiation from adhesives. The cover has a UV filter to further minimize UV emission.

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