A lamp assembly adapted to cast shadow-free illumination over an area. Typically, a lamp assembly includes a plurality of light modules that are disposed in a spaced apart relationship over an area. Desirably, the lamp assembly is arranged to aim the light output of each module for overlapping summation on a target footprint. Modules generally each include a LED light source, a collimating lens disposed at a distal end of the mirror, and a tube disposed between the LED and the collimating lens.

A light emission body capable of simultaneously improving spot feature and color unevenness of illumination light is provided. A light emission body (6) according to one embodiment of the present invention includes a fluorescent substance layer (61) having a light irradiation surface (61a) irradiated with laser light (L1) and a light emitting surface (61b) emitting the laser light (L1) and fluorescence (L2), a light absorption layer (62) that blocks the laser light (L1) and the fluorescence (L2) emitted from the light emitting surface (61b), and a scattering layer (63) that scatters the laser light (L1) and the fluorescence (L2) which are not blocked by the light absorption layer (62).

A light emission body capable of simultaneously improving spot feature and color unevenness of illumination light is provided. A light emission body (6) according to one embodiment of the present invention includes a fluorescent substance layer (61) having a light irradiation surface (61a) irradiated with laser light (L1) and a light emitting surface (61b) emitting the laser light (L1) and fluorescence (L2), a light absorption layer (62) that blocks the laser light (L1) and the fluorescence (L2) emitted from the light emitting surface (61b), and a scattering layer (63) that scatters the laser light (L1) and the fluorescence (L2) which are not blocked by the light absorption layer (62).

Wearable headlight devices and related methods are provided and can include a luminaire that can include a housing having a luminaire vent therein for receiving cooling air and a light source contained within the housing. An air moving device can be located outside of the luminaire for facilitating cooling air intake through the luminaire vent. An exhaust tube can be connected to the luminaire and the air moving device to facilitate air flow of the cooling air between the luminaire and the air moving device.

Wearable headlight devices and related methods are provided and can include a luminaire that can include a housing having a luminaire vent therein for receiving cooling air and a light source contained within the housing. An air moving device can be located outside of the luminaire for facilitating cooling air intake through the luminaire vent. An exhaust tube can be connected to the luminaire and the air moving device to facilitate air flow of the cooling air between the luminaire and the air moving device.

A medical headlamp, having a tubular housing, an electrical conductor, entering the housing, and an electrical network connected to the electrical conductor. An LED assembly is connected to the electrical network, and has a front surface, through which light is emitted. An iris assembly, including a toroidal housing, an iris diaphragm defining a width-adjustable aperture, seated in the housing, and an actuator, permitting a user to adjust the width of the width adjustable aperture. Further, the toroidal housing defines a front interior space, to the front of the iris diaphragm and a rear interior space, to the rear. A prime lens is placed in front of the iris diaphragm and has a rear surface. A further optical assembly, including at least a light-focusing lens is placed in front of the iris assembly. Finally, the prime lens rear surface has an opaque annular coating, acting as an annular light block.

A medical headlamp, having a tubular housing, an electrical conductor, entering the housing, and an electrical network connected to the electrical conductor. An LED assembly is connected to the electrical network, and has a front surface, through which light is emitted. An iris assembly, including a toroidal housing, an iris diaphragm defining a width-adjustable aperture, seated in the housing, and an actuator, permitting a user to adjust the width of the width adjustable aperture. Further, the toroidal housing defines a front interior space, to the front of the iris diaphragm and a rear interior space, to the rear. A prime lens is placed in front of the iris diaphragm and has a rear surface. A further optical assembly, including at least a light-focusing lens is placed in front of the iris assembly. Finally, the prime lens rear surface has an opaque annular coating, acting as an annular light block.

A light emission body capable of simultaneously improving spot feature and color unevenness of illumination light is provided. A light emission body (6) according to one embodiment of the present invention includes a fluorescent substance layer (61) having a light irradiation surface (61a) irradiated with laser light (L1) and a light emitting surface (61b) emitting the laser light (L1) and fluorescence (L2), a light absorption layer (62) that blocks the laser light (L1) and the fluorescence (L2) emitted from the light emitting surface (61b), and a scattering layer (63) that scatters the laser light (L1) and the fluorescence (L2) which are not blocked by the light absorption layer (62).

An illumination apparatus includes: a reflector having a first reflection surface with a shape of a surface of revolution, and a downward light emission outlet through which direct light from a light source and reflection light from the first reflection surface being emitted; and a cone having a substantially truncated conical second reflection surface, an upper opening opposing the light emission outlet, and a lower opening having a larger diameter than the upper opening. The cone is positioned outside the optical paths of the controlled reflection light from the first reflection surface.

An illumination apparatus includes: a reflector having a first reflection surface with a shape of a surface of revolution, and a downward light emission outlet through which direct light from a light source and reflection light from the first reflection surface being emitted; and a cone having a substantially truncated conical second reflection surface, an upper opening opposing the light emission outlet, and a lower opening having a larger diameter than the upper opening. The cone is positioned outside the optical paths of the controlled reflection light from the first reflection surface.