A vehicle light assembly including a housing, a light source, a lens disposed in front of the light source, a light sensor disposed in the housing outside of light output from the light source directed at the lens for sensing light reflected off the lens caused by moisture, and a heater disposed on the lens for reducing the moisture when moisture is sensed.

Lamp module 32 contains solid-state light source 17 and has mounting flange 42 coupleable to headlamp reflector 12. Lamp module 32 has base 2 defining central post 4, post 4 defining internal first air passage 401. Base and post act are heat sinks. Fan 8 is disposed within base 2. Circuit board 14 having LED arrays 17 is mounted inside post 4 in fluid communication with first air passage 401. Base 2 defines second air flow passage 405 exterior of post 4, second air passage 405 being oriented to direct air past mounting flange 42. Base 2 further defines third air passage 410 rearward of mounting flange 42 and radially outward from second air passage 405. Mounting flange 42 may be keys coupleable to slots 15. A method of directing an air stream through slots 15 in reflector socket 121 is described.

Lamp module 32 contains solid-state light source 17 and has mounting flange 42 coupleable to headlamp reflector 12. Lamp module 32 has base 2 defining central post 4, post 4 defining internal first air passage 401. Base and post act are heat sinks. Fan 8 is disposed within base 2. Circuit board 14 having LED arrays 17 is mounted inside post 4 in fluid communication with first air passage 401. Base 2 defines second air flow passage 405 exterior of post 4, second air passage 405 being oriented to direct air past mounting flange 42. Base 2 further defines third air passage 410 rearward of mounting flange 42 and radially outward from second air passage 405. Mounting flange 42 may be keys coupleable to slots 15. A method of directing an air stream through slots 15 in reflector socket 121 is described.

A headlamp assembly including a light source element, an outer lens, a fan, and a bezel structure, wherein the bezel structure is disposed forward of the fan in a vehicle-longitudinal direction and includes an air flow directing feature directing air flow from the fan toward the inner surface of the lens. Embodiments of the headlamp assembly generate light using low-temperate light emitting diodes (LEDs) and direct air flow over components thermodynamically coupled to the LEDs such that the air absorbs heat from the components and distributes the heat throughout the headlamp assembly, especially on the inner surface of the outer lens to reduce the condensation thereon. Further, embodiments may include a bezel structure having a pair of vehicle-forward concave sections disposed at the forward end of the bezel structure that disperse air through the headlamp assembly in a wide aperture to distribute thermal energy more equally throughout the headlamp assembly.

A headlamp assembly including a light source element, an outer lens, a fan, and a bezel structure, wherein the bezel structure is disposed forward of the fan in a vehicle-longitudinal direction and includes an air flow directing feature directing air flow from the fan toward the inner surface of the lens. Embodiments of the headlamp assembly generate light using low-temperate light emitting diodes (LEDs) and direct air flow over components thermodynamically coupled to the LEDs such that the air absorbs heat from the components and distributes the heat throughout the headlamp assembly, especially on the inner surface of the outer lens to reduce the condensation thereon. Further, embodiments may include a bezel structure having a pair of vehicle-forward concave sections disposed at the forward end of the bezel structure that disperse air through the headlamp assembly in a wide aperture to distribute thermal energy more equally throughout the headlamp assembly.

Method and apparatus are disclosed for vehicle headlamp de-condensation. An example exterior lamp of a vehicle includes a housing, a cover coupled to the housing to define a cavity, and a lamp assembly within the cavity. The lamp assembly includes an LED, a heat sink coupled to the LED that is configured to dissipate heat and define a chamber, desiccant located within the chamber to collect moisture from the cavity, and a vent fluidly coupled to the chamber to remove the moisture from the cavity.

Method and apparatus are disclosed for vehicle headlamp de-condensation. An example exterior lamp of a vehicle includes a housing, a cover coupled to the housing to define a cavity, and a lamp assembly within the cavity. The lamp assembly includes an LED, a heat sink coupled to the LED that is configured to dissipate heat and define a chamber, desiccant located within the chamber to collect moisture from the cavity, and a vent fluidly coupled to the chamber to remove the moisture from the cavity.

Systems including a moisture pump for removing moisture from an inside environment to an outside environment. The moisture pump includes a housing defining a chamber with a heater, a heat spreader, and a desiccant for selectively adsorbing water vapor in the heating chamber when the heater is off and desorbing water vapor into the heating chamber when the heater is on. A valve assembly is also maintained by the housing transitionable between an adsorption position and desorption position. The adsorption position allows water vapor to be selectively transmitted into the heating chamber from the inside environment. The desorption position allows water vapor to be transmitted from the heating chamber for transmission into the outside environment. The adsorption and desorption ports can have asymmetric adsorption and desorption areas.

A vehicle lamp 1 is provided with: a ventilating unit 10 that is provided with a first opening 2a of a closed case 2, prevents entry of liquids and solids to an inside space S within the case 2, and allows circulation of air between the inside space S and an outside space of the vehicle lamp 1; and a dehumidifying unit 20 that is provided in a second opening 2b of the case 2 different in position from the first opening 2a and has an electrolysis dehumidifying element for discharging water vapor in the inside space S to the outside of the vehicle lamp 1 by electrolysis. Thus, a dehumidifying device and a lamp that can rapidly discharge water vapor that has entered the inside of a housing to the outside of the housing can be provided.

A vehicle lamp 1 is provided with: a ventilating unit 10 that is provided with a first opening 2a of a closed case 2, prevents entry of liquids and solids to an inside space S within the case 2, and allows circulation of air between the inside space S and an outside space of the vehicle lamp 1; and a dehumidifying unit 20 that is provided in a second opening 2b of the case 2 different in position from the first opening 2a and has an electrolysis dehumidifying element for discharging water vapor in the inside space S to the outside of the vehicle lamp 1 by electrolysis. Thus, a dehumidifying device and a lamp that can rapidly discharge water vapor that has entered the inside of a housing to the outside of the housing can be provided.