A light source unit includes: a light source part that emits excitation light; a light emitting part that emits generated light by being irradiated with the excitation light; a support part that guides the excitation light to the light emitting part while supporting the light emitting part; and a reflective part provided on a back surface of the support part, the back surface being on a side opposite to an emission direction of the generated light.

A light source unit includes: a light source part that emits excitation light; a light emitting part that emits generated light by being irradiated with the excitation light; a support part that guides the excitation light to the light emitting part while supporting the light emitting part; and a reflective part provided on a back surface of the support part, the back surface being on a side opposite to an emission direction of the generated light.

The lighting device disclosed in the embodiment includes a substrate, a light emitting device disposed on a lower surface of the substrate, a reflective layer disposed to face a light emitting surface of the light emitting device, a first resin layer disposed between the substrate and the reflective layer, and a light-transmission control layer disposed on an upper surface of the substrate, wherein the light-transmission control layer may include a liquid crystal layer including a cholesteric liquid crystal, and light emitted through the light emitting surface of the light emitting device may be reflected by the reflective layer and be provided to the light-transmission control layer through the substrate.

A lighting device disclosed in an embodiment of the invention includes: a lighting module emitting a first light and a second light; and a lens disposed on the lighting module to block light of a shorter wavelength among the first light and the second light and transmit light of a longer wavelength, wherein the lighting module includes: a substrate; a plurality of light emitting devices disposed on the substrate and emitting a first light; a resin layer covering the plurality of light emitting devices; and a phosphor layer disposed on the resin layer to convert the first light into second light, wherein the first and second light travel through the phosphor layer in the lens direction, and the second light may pass through the lens.

A light for the exterior of a vehicle includes at least one illuminant and a lens. The illuminant emits light in an activated state that hits the lens directly or indirectly via a reflector. The lens is transparent to light in a first predetermined wavelength range and reflects light in a second different wavelength range when the illuminant is deactivated. The illuminant is at least one light-emitting diode (LED). The diode emits light in a third wavelength range, which is predetermined such that the emitted light, after transmission through the lens, is present in a predetermined fourth wavelength range that is at least different from the second wavelength region. The light can be used as part of a rear light in a vehicle.

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.

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 having a minimum reflectance of 20% or more in a specific wavelength region, in which the specific wavelength region is from the emission peak wavelength of the phosphor to 800 nm, 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 having a minimum reflectance of 20% or more in a specific wavelength region, in which the specific wavelength region is from the emission peak wavelength of the phosphor to 800 nm, and a light-emitting device comprising the phosphor.

A lamp for an automobile and the automobile. A lamp for an automobile includes: a substrate part; a plurality of light sources provided in close contact with a top surface of the substrate part and configured to emit light; a fluorescent layer spaced upward from the substrate part and the plurality of light sources and including a fluorescent material; and an inner lens provided in close contact with a top surface or a bottom surface of the fluorescent layer.

A base body for a light conversion device and/or an illumination device is configured as a heat sink. The base body has a front side which is configured to mount a light conversion element on the base body. The base body includes an indicator for positioning/alignment of a light conversion element on the base body, and/or an indicator for positioning/alignment of the base body relative to a component for retention of the base body.