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.

Lighting display device and light guide body

There is provided a light guide body, containing: a first end region; a second end region located on an opposite side of the first end region; first dots; and second dots having a dot in the first end region being smaller than a dot in the second end region, wherein a size difference between the first dots and the second dots in the first end region is smaller than a size difference between the first dots and the second dots in the second end region.

Light source unit and vehicle lamp fitting

A light source unit includes a light emitting element which functions as a light source, a wiring pattern on which the light emitting element is mounted, an electrode pad connected to the wiring pattern, a substrate on which the wiring pattern is formed and the electrode pad is mounted, a power supply body which supplies external power to the electrode pad, and a socket housing which has an engaging portion engaged with a predetermined member and holds the substrate, the light emitting element and the power supply body. The power supply body has a terminal holding portion formed of an insulating resin material and a connection terminal supported by the terminal holding portion and connected to an external power supply. The connection terminal and the electrode pad are connected to each other by a conduction connecting part.

Vehicle lamp
10317039 · 2019-06-11 · ·

The present invention provides a vehicle lamp including a first lamp and a second lamp, only one of which is selectively turned on; a first bezel unit made of a thermally conductive material, including a thermal radiation region exposed to the outside, and connected to the first lamp to be thermally conductive therewith; and a second bezel unit connected to the first bezel unit to be thermally conductive therewith, made of a thermally conductive material, including a thermal radiation region exposed to the outside, and connected to the second lamp to be thermally conductive therewith, and provides effects in that thermal radiation efficiency is increased and a space advantageous for designing a lamp is secured because heat generated by a light source is discharged to the atmosphere through thermal radiation and cooling components, such as a radiation fin and an additional fan, are eliminable.

Vehicle lamp and lens molded article
10315362 · 2019-06-11 · ·

The present invention provides a vehicle lamp comprising a lens molded article (1) and a housing molded article (2) laser-welded to each other, the lens molded article (1) comprising a methacrylic resin composition which comprises 70 to 99.9% by mass of a methacrylic acid ester monomer unit and 0.1 to 30% by mass of a unit of an additional vinyl monomer copolymerizable with the methacrylic acid ester monomer and satisfies conditions (a) to (c), and the housing molded article (2) comprising a resin which satisfies a condition (d): (a) MW is 90000 to 250000; (b) a mass (MFR-1) of the methacrylic resin composition emitted according to ISO1133 standard at 230 C. and 3.8 kg for 10 minutes is 0.2 to 12 g/10 min; (c) when a mass of the methacrylic resin composition emitted according to the ISO1133 standard at 230 C. and 10 kg for 10 minutes is defined as MFR-2, MFR ratio=(MFR-2)/(MFR-1) is 4.5 or more; and (d) a mass (MFR-3) of the resin emitted according to the ISO1133 standard at 220 C. and 10 kg for 10 minutes is 2 to 45 g/10 min or smaller.

Vehicular lighting apparatus

A vehicular lighting apparatus is relatively small, low cost, superior in mountability, and offers a superior design. The vehicular lighting apparatus attachable to a front end of a vehicle includes: a composite lens element that is a light guide element constructed by molding a translucent resin substantially into a plate-like shape; a planar light-emitting unit that emits illumination light; an optical system that transforms planar light from the light-emitting unit into linear light and that causes the linear transformed light to be incident on a rear side face of the light guide element; and a diffraction lens formed on the rear side face of the light guide element on which the linear transformed light is incident, and condensing the linear transformed light. The light condensed by the lens means is emitted from a front side face of the light guide element onto a road surface in front of the vehicle.

Lighting apparatus and vehicular lamp comprising the same

In the present invention, there is provided a lighting device including: a light source module including at least one light source and a light guide member that buries the light source; a shielding module accommodating the light source module therein, the shielding module having an opening region and a shielding region, which are provided above the light guide member; and a diffusion member disposed in the light guide member.

LIGHT EMITTING SYSTEM AND METHOD OF ATTACHING LIGHT EMITTING DEVICE TO BASE MEMBER
20190152301 · 2019-05-23 ·

A light emitting system includes a light emitting device (140), a base member (200) and a plurality of heating wires (300). The base member (200) has a light transmitting property. Each heating wire (300) is on the inner surface (202) of the base member (200). The plurality of heating wires (300) includes a heating wire (302) and a heating wire (304). The heating wire (304) is adjacent to the heating wire (302). The light emitting device (140) is on an inner surface (202) of the base member (200). The light emitting device (140) includes a light emitting portion (142) and a light transmitting portion (144). The light emitting portion (142) is between the heating wire (302) and the heating wire (304). The light emitting portion (142) does not overlap with the heating wire (302) and the heating wire (304) in the thickness direction of the base member (200).

Light emission assembly with beam shaping structure
10295136 · 2019-05-21 · ·

A light emitting assembly comprising: a light emitting structure with a first light emission surface comprising one or more point-like light sources to emit light; a transparent beam shaping structure comprising a second light emission surface and a second light receiving surface, wherein the second light receiving surface is arranged at a distance above the first light emission surface to create an air gap to receive light emitted from the light emitting structure within an acceptance angle for the beam shaping structure to shape a resulting beam of light being emitted through the second light emission surface; and one or more transparent light guiding elements arranged between the beam shaping structure and the light emitting structure suitably shaped to refract at least part of the light emitted from the first light emission surface under an emergent angle larger than the acceptance angle towards the beam shaping structure.

Automotive hologram image producing lamp

An automotive hologram image producing lamp is provided. The automotive hologram image producing lamp includes beam exposed to the exterior to be provided in the form of a hologram image. The automotive hologram image producing lamp includes a light source configured to emit light, a hologram forming unit configured to receive incidence of a first partial light among the emitted light to form a hologram and a light pattern forming unit configured to transmit a second partial light among the emitted light to form a information providing light pattern.