Design of identification and visual protection system for mining equipment, vehicles and people exposed to possible high potential interactions, this system is the combination of different lighting techniques, which together offer a new product with the advantages of delivering a Greater capacity to be visualized in the field, preventing identification and warning problems in mining equipment.

Its form and use can help reduce the risks and exposure of equipment, vehicles and people where they can be implemented. Considerably increasing the identification distance, even without any external light emission.

There is provided a light-emitting device (1) including: a light-emitting element (20); a light-transmissive heat dissipation member (11) having a plate shape; a wavelength conversion member (12) that takes in, from a side of a light scattering layer (12a), light that is emitted from the light-emitting element (20) and passes through the light-transmissive heat dissipation member (11), and converts a wavelength in a fluorescent layer (12b); a lateral heat dissipation member that has a plate shape, includes a high-heat conduction member (13) in contact with a side surface of the wavelength conversion member (12) via a light reflection member (14), and is in contact with an upper surface of the light-transmissive heat dissipation member (11); and a package (21) that houses the light-emitting element (20) and supports a wavelength conversion unit (100) including the light-transmissive heat dissipation member (11), the wavelength conversion member (12), and the lateral heat dissipation member.

A lighting apparatus for a vehicle may include: a housing installed inside the front of a vehicle and formed one side thereof with an opening, a plurality of light emitting units installed inside the housing and configured to emit light toward the opening, and a plurality of flap units rotatably installed in the housing, disposed to face the plurality of light emitting units, and configured to open or close the opening.

An embodiment relates to a lighting device. An embodiment may comprise a lighting device comprising: a light emitting module comprising a circuit board and a plurality of light emitting devices arranged on the circuit board; and a coupling member coupled to the lower surface of the circuit board, wherein the coupling member comprises: a head portion arranged on the lower surface of the circuit board and comprising a first side, a second side opposite the first side, a third side connected to the first side and the second side, and a fourth side opposite the third side; a first support portion extending from one end portion of the head portion in the vertical direction; a second support portion extending from the other end portion of the head portion in the vertical direction; a first elastic portion bent from the first support portion in an outward direction from the first support portion; a second elastic portion bent from the second support portion in an outward direction from the second support portion; a first detachment preventing portion extending from an end of the first elastic portion toward the first support portion; a second detachment preventing portion extending from an end of the second elastic portion toward the second support portion; a first leg portion extending from an end of the first detachment preventing portion toward the lower surface of the circuit board; and a second leg portion extending from an end of the second detachment preventing portion toward the lower surface of the circuit board, wherein the first leg portion has a plurality of first elastic pieces, the second leg portion has a plurality of second elastic pieces, the first elastic pieces of the first leg portion are inclined outwards from the first leg portion, and the second elastic pieces of the second leg portion are inclined outwards from the second leg portion.

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.

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 light emitting module includes at least one light source that generates a first light having a first wavelength region, and a wavelength converter that is excited by the first light and generates a second light having a second wavelength region. The wavelength converter includes a wavelength converting material that is excited by the first light to generate a third light having a third wavelength region, and in the second light, the first light and the third light are mixed at predetermined ratios.

A phosphor having a favorable emission peak wavelength, narrow full width at half maximum, and/or high emission intensity is provided. Additionally, a light-emitting device, an illumination device, an image display device, and/or an indicator lamp for a vehicle having favorable color rendering, color reproducibility and/or favorable conversion efficiency are provided. The present invention relates to a phosphor including a crystal phase having a composition represented by a specific formula, and when, in a powder X-ray diffraction spectrum of the phosphor, the intensity of a peak that appears in a region where 2θ=38-39° is designated as Ix and the intensity of a peak that appears in a region where 2θ=37-38° is designated as Iy, the relative intensity Ix/Iy of Ix to Iy is 0.140 or less, and a light-emitting device comprising the phosphor.

A phosphor having a favorable emission peak wavelength, narrow full width at half maximum, and/or high emission intensity is provided. Additionally, a light-emitting device, an illumination device, an image display device, and/or an indicator lamp for a vehicle having favorable color rendering, color reproducibility and/or favorable conversion efficiency are provided. The present invention relates to a phosphor including a crystal phase having a composition represented by a specific formula, and when, in a powder X-ray diffraction spectrum of the phosphor, the intensity of a peak that appears in a region where 2θ=38-39° is designated as Ix and the intensity of a peak that appears in a region where 2θ=37-38° is designated as Iy, the relative intensity Ix/Iy of Ix to Iy is 0.140 or less, and a light-emitting device comprising the phosphor.

The present invention relates to a manufacturing method for a wavelength converting component which is prepared from a dispersion containing a crosslinkable ceramizable polymer material having a silazane repeating unit and at least one wavelength converting material. There are further provided wavelength converting components which can be used for converting blue, violet and/or UV light into light with a longer wavelength. There is also provided a light source and a lighting unit comprising said wavelength converting components.