A light irradiation device according to the disclosure comprises: a light source comprising a plurality of light-emitting elements; a heat-dissipating member thermally connected to the light source; an air blower section capable of blowing air on the heat-dissipating member; a drive section which drives the light source; and a housing which receives therein the light source, the heat-dissipating member, the air blower section, and the drive section, the housing comprising a plurality of ventilating slots serving as inlets and outlets for outside air, a lower face provided with an irradiation opening for external irradiation of light from the light source, a side face which is vertically oriented, and an inclined face which is located on an upper side of the housing and is opposed to the lower face, and the inclined face is provided with at least one ventilating slot.

A system and a method for irradiating an object and potentially for controlling the irradiation or other conditions relating to an effect of the irradiation. A sensor is translated along a longitudinal direction of the radiation emitter and in a space between the radiation emitter and the objects irradiated to arrive at information relating to a parameter relating to the effect of the irradiation, such as the radiation, and derived in the space between the radiation emitter and the objects irradiated. Calibrating the sensor readings and adjusting the radiating emitter output, thereby controlling the irradiation.

A light irradiation device according to the disclosure comprises: a light source comprising a plurality of light-emitting elements; a heat-dissipating member thermally connected to the light source; an air blower section capable of blowing air on the heat-dissipating member; a drive section which drives the light source; and a housing which receives therein the light source, the heat-dissipating member, the air blower section, and the drive section, the housing comprising a plurality of ventilating slots serving as inlets and outlets for outside air, a lower face provided with an irradiation opening for external irradiation of light from the light source, a side face which is vertically oriented, and an inclined face which is located on an upper side of the housing and is opposed to the lower face, and the inclined face is provided with at least one ventilating slot.

A system and a method for irradiating an object and potentially for controlling the irradiation or other conditions relating to an effect of the irradiation. A sensor is translated along a longitudinal direction of the radiation emitter and in a space between the radiation emitter and the objects irradiated to arrive at information relating to a parameter relating to the effect of the irradiation, such as the radiation, and derived in the space between the radiation emitter and the objects irradiated. Calibrating the sensor readings and adjusting the radiating emitter output, thereby controlling the irradiation.

A sheet-fed press includes at least two units embodied as modules. The at least two modules respectively each comprise at least one individual drive, each individual drive being configured as a position-controlled electric motor. At least one of the at least two modules is configured as a non-impact coating module, and the at least coating module is arranged as at least another of at least two modules that is configured as a primer module or as a painting module.

A light emitting device includes a substrate, a plurality of light emitting elements arranged in three or more rows on the substrate, and a light-transmissive member including a cylindrical lens portion having an array of three or more cylindrical lenses arranged parallel to each other along the rows of the light emitting elements so that each of the cylindrical lenses is on one of the three or more rows of light emitting elements. The rows of the light emitting elements are arranged with substantially uniform intervals. The cylindrical lens portion includes first cylindrical lens portions including at least cylindrical lenses at outermost sides of the array, and a second cylindrical lens portion arranged at an inner side of the first cylindrical lens portions and having a height greatest in the cylindrical lens portion.

An apparatus and methods for using coatings for metal applications are disclosed. According to one embodiment, an article comprises a cured polymeric film having a first reaction product of a cationic photoinitiator and a compound suitable for cationic polymerization. The article has a second reaction product of a free-radical photoinitiator and a compound suitable for free-radical polymerization; The article has a metal substrate, wherein the cured polymeric film coats the metal substrate.

The disclosure relates to a light irradiation device which can improve curability of photo-curable materials. A light irradiation device includes a first supply section having a porous portion, the first supply section being capable of supplying a gas to a photo-curable material through the porous portion; and an irradiation section disposed in alignment with the porous portion or disposed downstream from the porous portion, the irradiation section being capable of irradiating the photo-curable material with light.

A sheet drying device and method, and a box making machine, wherein provided are: a heating lamp (111) that is disposed facing a printing face of a cardboard sheet (S); a voltage adjusting unit (122) that adjusts the voltage of electrical power supplied to the heating lamp (111); a voltage setting unit (121) that sets the working voltage of the heating lamp (111) by increasing or decreasing a reference voltage according to the thickness of a water-based paint on the cardboard sheet (S), where the reference voltage is a voltage that is less than the rated voltage of the heating lamp (111) by a preset prescribed value; and a controlling device (101) that changes the voltage of the heating lamp (111) to the working voltage set by the voltage setting unit (121) using the voltage adjusting unit (122).

Systems are provided for a frame of an optic element of a lighting system. In one example, a baffle frame including extended exterior sidewalls and inner angled walls extending below a bottom surface of the optic element may reduce light reflecting off a workpiece and escaping outside and interior of the baffle frame.