The present invention relates to light emitting module, comprising: a mixing chamber (10) arranged to mix light, the mixing chamber (10) comprising a base (12) having a highly reflective inner surface, a circumferential side wall (14) having a highly reflective inner surface, and a semi-reflective light exit window (16); and at least one light emitting diode (5) arranged on the inner surface of the circumferential side wall (14) such that light emitted from the at least one light emitting diode (5) is emitted into the mixing chamber (10) for mixing of the emitted light within the mixing chamber (10), wherein the semi-reflective light exit window (16) is arranged to couple out light emitted from the at least one light emitting diode (5) and mixed within the mixing chamber (10), wherein the aspect ratio of a width (W) and a height (H) of the mixing chamber (10) is in the range of 1 to 8, wherein the reflectivity of the semi-reflective light exit window (16) is in the range from 30% to 80% for light emitted from the light emitting diode (5).

A lighting device for professional illumination. The device includes a main housing having a front opening, a first light source, a first reflector configured to receive at least a portion of light emitted by the first light source and to reflect at least a portion thereof, and a second reflector configured to receive at least a portion of light reflected by the first reflector and to reflect at least a portion thereof. The lighting device is configured to emit at least a portion of light reflected by the second reflector out of the lighting device through the front opening. The lighting device further includes an actuator configured to move the first reflector or the second reflector in relation to each other in response to a predetermined control signal.

A lighting device according embodiments comprises: a housing including first and second back covers having arcuate inner surfaces; a recess opened to the lower portions of the first and second back covers; a transparent sheet disposed in a diagonal line configuration on the recesses of the first and second back covers; a light emitting module between the recesses of the first and second back covers; a heat dissipating body on which the light emitting module is disposed; and a first reflective sheet reflecting light onto inner surfaces of the first and second back covers, wherein the heat dissipating body includes a heat dissipation part having the first and second light emitting modules disposed thereon, and a reflective part disposed between the heat dissipating part and the bottom portion of the transparent sheet, and the first reflective sheet has multiple reflective surfaces.

The present disclosure discloses a linear LED module including: at least one LED bar including multiple LEDs arrayed on a substrate in a lengthwise direction of the substrate; a mounting portion in which the at least one LED bar is mounted on its mounting surface in the lengthwise direction; and a composite reflective portion integrated with the mounting portion and adapted to reflect light emitted from the at least one LED bar. A cross-section of the composite reflective portion includes a curved reflective surface adjacent to the mounting portion and a straight reflective surface extending away from a boundary with the mounting portion. Also disclosed is a backlight unit including the linear LED module. The backlight unit includes a rear case arranged in rear of a display panel, a reflective sheet positioned in rear of the display panel in the rear case, and a linear LED module.

A lighting apparatus is provided with a first housing assembly formed from a thermally conductive material and a second housing assembly formed of a thermally conductive material. At least one electrical component is positioned within the first housing assembly and the at least one electrical component is in thermally conductive contact with the first housing assembly. At least one light source is in thermally conductive contact with the second housing assembly. The second housing assembly is not in thermally conductive contact with the first housing assembly, such that thermal energy from the first housing assembly does not directly transfer to the second housing assembly.

A luminous false-wall device, comprising: a chassis constituted by at least one profile, the chassis comprising an upper part directed toward a panel to be covered, such as a wall or ceiling, and a lower part; a diffusing canvas fixed on the chassis and stretched on the lower part of the chassis; a light placed between the panel and the canvas configured to emit light in the direction of the canvas; wherein the chassis is provided with means of increasing the light intensity of the light.

A spot lighting apparatus includes a first reflection unit, a semiconductor light emitting device, a second reflection unit being provided on an optical axis of the semiconductor light emitting device, and a fixing unit fixing the second reflection unit to be separated from the semiconductor light emitting device, wherein the second reflection unit receives a part of a light released from the semiconductor light emitting device and reflects it toward the first reflection unit, the first reflection unit receives a part of a light released from the semiconductor light emitting device and all or a part of a light reflected on the second reflection unit and reflects them toward the opening part, and the light reflected on the first reflection unit and emitted from the opening part is 80% or more of total lights emitted from the opening part.

A lighting apparatus is provided with a first housing assembly formed from a thermally conductive material and a second housing assembly formed of a thermally conductive material. At least one electrical component is positioned within the first housing assembly and the at least one electrical component is in thermally conductive contact with the first housing assembly. At least one light source is in thermally conductive contact with the second housing assembly. The second housing assembly is not in thermally conductive contact with the first housing assembly, such that thermal energy from the first housing assembly does not directly transfer to the second housing assembly.

A light-emitting structure and a light-emitting system with the same are provided. The light-emitting structure includes a plurality of extension portions (10) and a plurality of light adjusting portions (20), and the plurality of extension portions (10) and the plurality of light adjusting portions (20) are sequentially alternately connected; the plurality of extension portions (10) controls the light-emitting range of the light-emitting structure, and the plurality of light adjusting portions (20) is disposed at a predetermined angle with respect to an incident light direction to control a light-emitting direction.

A luminaire. The luminaire includes a substrate, a plurality of discrete light sources, a cavity between a first body member and a second body member, and an aperture. The light sources emit a portion of light in a direction normal to the substrate. The first body member includes a protrusion which includes a second light reflective surface. All the light emitted by the light sources normal to the substrate first strikes the first light reflective surface. The second body member includes a recess which includes a second light reflective surface. The majority of the light emitted by the light sources normal to the substrate strikes the second light reflective surface after striking and being reflected from the first light reflective surface. The aperture is opposite the substrate and is positioned to allow light reflected from the second light reflecting surface to subsequently exit the luminaire.