F21S43/00

Light emitting device and vehicular lamp comprising same

A light emitting device and a vehicular lamp are provided. The light emitting device comprises: a first light emitting unit; a second light emitting unit separated from the first light emitting unit; and a sidewall surrounding side surfaces of the first and second light emitting units while adjoining the side surfaces of the first and second light emitting units, wherein the first light emitting unit and the second light emitting unit emit light have different peak wavelengths.

Vehicular light-emitting device

The present disclosure enables lighting performance which appears as if there are more light sources than the actual number of light sources, and reduces brightness unevenness. A vehicular light-emitting device includes a plurality of light-emitting units, each of which includes an LED part and a lens configured to diffuse and emit the light received from the LED part, the plurality of light-emitting units being arranged side by side. The plurality of light-emitting units are arranged so that one or more brightness peak values exist between adjacent light-emitting units. Moreover, the light emitted from the lenses of the light-emitting units has a plurality of brightness peaks with respect to the spreading direction of the light, and the arrangement interval of the plurality of light-emitting units is set so that the plurality of brightness peaks of the light emitted from the plurality of light-emitting units are aligned at substantially equal intervals.

LIGHTING APPARATUS AND VEHICULAR LAMP COMPRISING SAME

Embodiments of the present invention relate to a lighting apparatus capable of providing three-dimensional effects at the same time as the surface emission of light sources by using a half-mirror member for reflecting and transmitting parts of light. In particular, by adopting the half-mirror member for transmitting a part of and reflecting another part of light emitted from a surface-emitting light source module, the present invention allows the implementation of a mirror-like image when the light is off, and allows the implementation of a light image providing various three-dimensional effects when the light is on.

Dehumidifying apparatus
10648639 · 2020-05-12 ·

The present invention relates to a general-purpose dehumidifying apparatus in which a housing having a dehumidifying member therein is applied to an object to be dehumidified (an electric light (such as a street lamp, a vehicle lamp, etc.), an outdoor or indoor electronic enclosure (such as power distributing equipment, communication equipment, security equipment, a solar system, etc.), and the like), and the dehumidifying apparatus removes internal moisture through an outer valve that opens and closes an outer communicating part of the housing (by closing the outer valve) in a case where the temperature of the object to be dehumidified is low and discharges the moisture of the dehumidifying member to the outside by opening the outer valve when the temperature in a lamp module rises in a case where the temperature of the object to be dehumidified is high. The dehumidifying apparatus, according to the present invention, comprises: a housing installed in an object to be dehumidified and having inner and outer communicating parts connected to the outside; a dehumidifying member mounted in the housing; and an outer valve that opens and closes the outer communicating part of the housing.

Lighting module and lighting device having same
10648626 · 2020-05-12 · ·

A lighting module disclosed in an embodiment comprises: a plurality of light emitting devices on a substrate; and a reflector arranged in the direction of emission of light from each light emitting device on the substrate. The light emitting device has a light exit surface, and the reflector has a reflecting surface concave toward the substrate, at least a portion of the reflecting surface corresponding to the light exit surface of the light emitting device. The reflecting surface is arranged at a height that increases gradually in proportion to the interval from the light emitting device arranged in the light incident direction. The reflecting surface comprises a plurality of convex portions arranged in a first direction and first bridge portions that connect between the plurality of convex portions. The first bridge portions are arranged along the convex portions and are arranged to be lower than a straight line that connect high points of adjacent convex portions. The convex portions and the first bridge portions have the same length in a second direction, which is perpendicular to the first direction, and the area of the convex portions may be larger than the area of the first bridge portions.

Lighting module and lighting device having same
10648626 · 2020-05-12 · ·

A lighting module disclosed in an embodiment comprises: a plurality of light emitting devices on a substrate; and a reflector arranged in the direction of emission of light from each light emitting device on the substrate. The light emitting device has a light exit surface, and the reflector has a reflecting surface concave toward the substrate, at least a portion of the reflecting surface corresponding to the light exit surface of the light emitting device. The reflecting surface is arranged at a height that increases gradually in proportion to the interval from the light emitting device arranged in the light incident direction. The reflecting surface comprises a plurality of convex portions arranged in a first direction and first bridge portions that connect between the plurality of convex portions. The first bridge portions are arranged along the convex portions and are arranged to be lower than a straight line that connect high points of adjacent convex portions. The convex portions and the first bridge portions have the same length in a second direction, which is perpendicular to the first direction, and the area of the convex portions may be larger than the area of the first bridge portions.

Illumination device and vehicle
10632900 · 2020-04-28 · ·

Provided is an illumination device which has a coherent light source that emits a first coherent light beam and a second coherent light beam, an optical device that diffuses the first coherent light beam to illuminate a first illumination zone and diffuses a wave of the second coherent light beam to illuminate a second illumination zone, and a timing control unit that individually controls incidence timing of the first coherent light beam and the second coherent light beam on the optical device or illumination timing of the first illumination zone and the second illumination zone, wherein the optical device includes a first diffusion region on which the first coherent light beam is incident, and a second diffusion region on which the second coherent light beam is incident, the first diffusion region is capable of illuminating the first illumination zone by diffusion of the incident first coherent light beam.

Vehicular lamp device
10619819 · 2020-04-14 · ·

A vehicular lamp device includes a horizontal rectangular lamp body and reflects irradiation light of light sources with a reflector unit for outward irradiation via an outer lens. Four reflector portions of the reflector unit have long side reflectors and short side reflectors. The long side reflectors are contiguously arranged in the long side direction at the positions toward the long sides of the lamp device. The short side reflectors are contiguously arranged in the short side direction at the positions toward the short sides of the lamp device. Light sources are each positioned toward the center of each reflector portion in front view of the lamp device. Border lines between the long side reflectors and short side reflectors are formed along inclined lines inclined to extend from near the light sources relative to the long side direction.

LAMP DEVICE
20200088375 · 2020-03-19 ·

An object is to provide a lamp device which can be used as vehicle use headlight, and can form light distribution pattern capable of suppressing generation of dark grids in the field of view. A lamp device is provided which comprises a light source in which a plurality of light emitting elements are regularly arranged in a plane, and the light emitting elements are distributed along a first direction and along a second direction crossing the first direction in the plane, a projecting optic system capable of forming images of the respective light emitting elements of the light source on an image plane located on an optic axis of light beam emitted from the light source, and an image shifter capable of forming basic image of the plurality of light emitting elements on an image plane, and simultaneously forming first moved image which is formed by moving the basic image along the first direction and along the second direction simultaneously on the image plane.

Timing control unit for controlling an illumination device with coherent light source

An illumination device is provided, including a coherent light source that emits coherent light beam and an optical device that diffuses the coherent light beam. The optical device includes a first diffusion region that diffuses the coherent light beam to illuminate a first area, and a second diffusion region that diffuses the coherent light beam to display predetermined information in a second area. A timing control unit individually controls a light emission timing at which the coherent light source emits the coherent light so that the coherent light is irradiated to the first diffusion region and the second diffusion region, an incident timing at which the coherent light from the coherent light source is incident on the first diffusion region and the second diffusion region, or an illumination timing at which the coherent light diffused by the optical device illuminates the first area and the second area.