The present invention relates to an automotive optical system; the optical system includes one or more first optical elements that reflect light rays emitted from a number of first light sources that are configured to perform a first lighting function and a second optical element; the second optical element is configured to project a light beam from the first optical elements configured to perform the first lighting function where a portion of the second optical element is made of a diffusive material. Furthermore, the optical system includes a number of secondary light sources where the second optical element is configured to receive light ray emissions from the secondary light sources and perform a second lighting function by scattering light rays received from secondary light sources.

Photoluminescence generated by excitation light emitted from an excitation light source can be effectively utilized. A vehicle lamp according to the present invention includes a lamp housing and a lamp lens forming a lamp chamber, an excitation light source disposed in the lamp chamber and emitting excitation light, and a luminescence unit fixed to the lamp lens on a side thereof closer to the lamp chamber and generating photoluminescence by the excitation light emitted from the excitation light source. The lamp lens is a lens that transmits the photoluminescence generated in the luminescence unit and emits the photoluminescence outside the lamp chamber. As a result, the present invention enables effective use of the photoluminescence generated by the excitation light emitted from the excitation light source.

A black image type hidden light system applied to a vehicle is composed of a control module coupled to a hidden lamp module in which an outer lens, an inner lens, and a light source are assembled in a lamp housing, and a black color surface of the outer lens covers an inner space of the lamp housing to block the exposure to the outside and transmits the light fully reflected to the inner lens to the outside, thereby forming a deposition image in black when not lit and a lamp image or a lighting image when lit, and in particular, optimizes a light transmittance with an amount of addition of a carbon black material mixed with a polycarbonate (PC) material, thereby substantially enabling the mass-production beyond the limitation of an AL deposition image.

Disclosed are a communication device and method for a vehicle, the device including a housing, an external lens structure covering an open front region of the housing, an internal lens structure mounted in the housing and covered by the external lens structure, a liquid crystal section mounted on the internal lens structure, configured to become transparent or opaque based on whether or not power is applied thereto, and a bezel disposed behind the liquid crystal section, such that the bezel becomes visible from an exterior of the communication device upon the liquid crystal section being controlled to be transparent.

A light emitting system includes a light pipe, a light source disposed at least partially within an interior of the light emitting system, and configured to emit light when receiving electrical power from an electrical power source, wherein the light source is arranged adjacent to and directed towards the light pipe, a lens substantially enclosing the interior of the light emitting system, the light pipe and the light source, the lens having an inner surface and an outer surface disposed opposite the inner surface, and a mask comprising a coating that is applied on the lens and laser etched to form a desired pattern, wherein light emitted from the light source passes through the light pipe and lens.

A left vehicle lamp (2L) includes a lamp housing (14), a lamp cover (12) that covers an opening of the lamp housing (14), an illumination unit (3, 4) that is disposed inside a lamp chamber (S) formed by the lamp housing (14) and the lamp power bar (12), a radar (5) configured to acquire a radar data indicating a surrounding environment of a vehicle by emitting radio waves toward the outside of the vehicle, and a light guide member (6) that is disposed in a manner of facing the radar (5) so as to hide at least a part of the radar (5) from the outside of the vehicle and is configured to transmit radio waves emitted from the radar (5). The radar (5) is disposed outside the housing (S). The light guide member (6) is configured to emit light toward the outside of the vehicle.

A lamp module includes a light source unit that generates light; a light guide unit that guides the light incident on an incidence portion from the light source unit to be emitted to an emission portion; and an optical unit that transmits the light emitted from the light guide unit to allow a predetermined beam pattern to be formed. In particular, the optical unit includes a plurality of lenses disposed in a vehicle width direction, and the emission portion includes a plurality of emission surfaces disposed in the vehicle width direction to correspond to the plurality of lenses.

A lamp device suppresses attenuation and reflection of a radar wave attributable to a light guide body, does not change an electromagnetic wave radiation pattern, and does not impair a radar function. The lamp device includes: a light guide body covering a part of an electromagnetic wave radiation surface of a radar device; and a light source, wherein, when the thickness of the light guide body is denoted by TG, and the wavelength of a radiated electromagnetic wave from the radar device in the light guide body is denoted by λd, TG is set such that TG<λd/2 is satisfied when the reflection loss of the light guide body with respect to the radiated electromagnetic wave is below a transmission loss, and a reflection loss is −10 dB or less when the reflection loss is equal to or more than a transmission loss.

A vehicle lamp includes a lamp housing, a carrier board, LEDs, and an optical unit. The lamp housing includes an accommodating space and an opening connecting the accommodating space. The carrier board is disposed in the accommodating space, and a front surface of the carrier board facing the opening. The LEDs are disposed on the front surface of the carrier board. The optical unit includes a light guide plate, light guide members and beam pattern adjusting structures. The light guide plate includes an upper surface and a lower surface, and the light guide plate covers the opening with the lower surface facing the carrier board. The light guide member protrudes on the lower surface, and each light guide member extends towards one LED. The beam pattern adjusting structures protrude on the upper surface, and each beam pattern adjusting structure is arranged to correspond at least one light guide member.

A backlight unit for blind spot warning lighting includes a printed circuit board (PCB) mounted with a light-emitting diode (LED), a bottom case having the PCB embedded on a lower portion thereof, and having an opened front surface, and a top case comprising a front plate covering a the front surface of the bottom case, and a guide protrusion formed to protrude backward from a rear surface of the front plate to guide the light from the LED to the front plate, and an object of the present disclosure is to provide a backlight unit, which can uniformly emit light while unifying the number of reflection and diffusion layers, and be advantageous for applying a hot wire, thereby improving visibility.