The present invention pertains to lighting device systems or methods applicable to off-road utility vehicles. The concepts include light sources for light beam production, a housing enclosure that encompasses internal elements and includes opposing front and rear portions. Inventive concepts further include a heatsink arrangement along an outer surface of the rear portion via a fastening system that is configured to transfer generated heat from the light sources and includes a sealing member with fasteners for securing the heatsink through the housing such that the sealing member becomes positioned between the heatsink and interfacing housing structures.

A condensation management system includes a vehicle lighting assembly with an interior vented to an ambient environment through a conduit, a moisture control assembly with a desiccant assembly positioned such that air passing through the conduit passes through the desiccant assembly, and a heater for heating the desiccant assembly in response to a difference between the interior and the ambient environment.

Provided is a cap-type vent having a porous waterproof air-permeable sheet inserted and mounted in a cap housing having fixing ribs formed therein, and fixing the waterproof air-permeable sheet by a supporting member made from an elastic material. The provided cap-type vent comprises a supporting member having one end coupled to an object, a waterproof air-permeable sheet disposed at the other end of the supporting member; and a cap housing formed in a cup shape having an opening formed at one end of the cup shape, and having the supporting member and the waterproof air-permeable sheet inserted through the opening, the supporting member is formed with an air circulation hole formed by penetrating the supporting member, and the inner side surface of the cap housing is formed with a fixing rib is configured to fix the supporting member by contacting the outer sidewall of the supporting member.

Provided is a cap-type vent having a porous waterproof air-permeable sheet inserted and mounted in a cap housing having fixing ribs formed therein, and fixing the waterproof air-permeable sheet by a supporting member made from an elastic material. The provided cap-type vent comprises a supporting member having one end coupled to an object, a waterproof air-permeable sheet disposed at the other end of the supporting member; and a cap housing formed in a cup shape having an opening formed at one end of the cup shape, and having the supporting member and the waterproof air-permeable sheet inserted through the opening, the supporting member is formed with an air circulation hole formed by penetrating the supporting member, and the inner side surface of the cap housing is formed with a fixing rib is configured to fix the supporting member by contacting the outer sidewall of the supporting member.

A light source unit provided with a light-emitting element as a light source is attached to a rear wall section of a housing. The light source unit is attached to the housing, in the state where a socket is inserted in an opening formed in the rear wall section and an elastic seal member attached to the front end of the socket is pressed against the rear wall section. A rib extending toward a lamp rear side so as to surround at least the upper half section of the opening is formed on the rear wall section of the housing.

A light source unit provided with a light-emitting element as a light source is attached to a rear wall section of a housing. The light source unit is attached to the housing, in the state where a socket is inserted in an opening formed in the rear wall section and an elastic seal member attached to the front end of the socket is pressed against the rear wall section. A rib extending toward a lamp rear side so as to surround at least the upper half section of the opening is formed on the rear wall section of the housing.

An air permeable cap for a vehicle may include: a cover part formed in a cylindrical shape with a closed end part, and having a plurality of guide ribs radially formed on an inner circumferential surface thereof; a foam part inserted and installed in the cover part so as to be contacted with the guide ribs, and having a ventilation hole formed on one side thereof; a membrane part installed between the foam part and the cover part, and configured to block a flow of water through the ventilation hole and allow a flow of air through the ventilation hole; and an adhesion retention part coupled in a concave-convex shape to retain an adhesion force between the foam part and the cover part.

An air permeable cap for a vehicle may include: a cover part formed in a cylindrical shape with a closed end part, and having a plurality of guide ribs radially formed on an inner circumferential surface thereof; a foam part inserted and installed in the cover part so as to be contacted with the guide ribs, and having a ventilation hole formed on one side thereof; a membrane part installed between the foam part and the cover part, and configured to block a flow of water through the ventilation hole and allow a flow of air through the ventilation hole; and an adhesion retention part coupled in a concave-convex shape to retain an adhesion force between the foam part and the cover part.

Provided is a ventilation member for a vehicle lamp. The ventilation member includes a nanofiber membrane, a composite adhesive layer stacked on one surface of the nanofiber membrane, and a ventilation structure provided in a central portion of the composite adhesive layer and in contact with the nanofiber membrane. The composite adhesive layer includes an acrylic adhesive layer in contact with the nanofiber membrane and a silicone-based adhesive layer provided on one surface of the acrylic adhesive layer. The acrylic adhesive layer is in contact with the nanofiber membrane, the acrylic adhesive layer is infiltrated into the nanofiber membrane to a depth of 30 μm or more. The ventilation member for a vehicle lamp has a water pressure resistance of 1.0 bar or more.

The present application discloses a rear cover of a vehicle lamp having a valve structure and infrared radiation drying and air discharging function, which includes an end cover provided with a plurality of air vents, a connecting base for connecting with a vehicle lamp housing, and a membrane module for infrared radiation drying and air discharging. The end cover and the connecting base are assembled and connected to form the rear cover of the vehicle lamp. The membrane module is built in a cavity of the rear cover of the vehicle lamp. At least one valve is provided on a path of air circulation inside and outside the vehicle lamp housing through the rear cover of the vehicle lamp, and the at least one valve automatically opens and closes under impulse of air pressure difference.