A controlled phototropic growth environment configured to encourage directional control of plant growth of one or more planted crops, thereby enabling a more efficient use of space within the growth environment. The growth environment including an enclosure comprising a plurality of panels configured to at least partially surround one or more planted crops therewithin, an array of light sources operably coupled to at least one panel of the plurality of panels, the array of light sources configured to emit a source of light to provide directional control of plant growth of the one or more planted crops, and an array of apertures defined within at least one panel of the plurality of panels, the array of apertures configured to emit a source of conditioned gas to circulate air within the enclosure.

A controlled phototropic growth environment configured to encourage directional control of plant growth of one or more planted crops, thereby enabling a more efficient use of space within the growth environment. The growth environment including an enclosure comprising a plurality of panels configured to at least partially surround one or more planted crops therewithin, an array of light sources operably coupled to at least one panel of the plurality of panels, the array of light sources configured to emit a source of light to provide directional control of plant growth of the one or more planted crops, and an array of apertures defined within at least one panel of the plurality of panels, the array of apertures configured to emit a source of conditioned gas to circulate air within the enclosure.

A refrigerator includes a cabinet, a door, an out plate that defines a front surface of the door, a display part at the out plate that defines plate holes configured to display operation information of the refrigerator by transmission of light through the out plate, light emitting members in the door at positions corresponding to the plate holes, hole filling members that fill the plate holes, and a first layer located at a surface of the hole filling members. The first layer includes a light blocking part, and light transmission parts positioned in an inner region of the plate holes. The display part is configured to transmit light having passed through one or more of the light transmission parts corresponding to one or more of the light emitting members.

A refrigerator includes a cabinet, a door, an out plate that defines a front surface of the door, a display part at the out plate that defines plate holes configured to display operation information of the refrigerator by transmission of light through the out plate, light emitting members in the door at positions corresponding to the plate holes, hole filling members that fill the plate holes, and a first layer located at a surface of the hole filling members. The first layer includes a light blocking part, and light transmission parts positioned in an inner region of the plate holes. The display part is configured to transmit light having passed through one or more of the light transmission parts corresponding to one or more of the light emitting members.

An illumination device includes a frame forming part that is provided at at least one position on an end part of a light-emitting panel having a light emission surface or in a vicinity of the light-emitting panel and includes a bright part region and a dark part region, a light source that emits light to be incident upon the frame forming part, and a light amount regulation part that makes intensity of light heading for a space facing the light emission surface from the dark part region weaker than intensity of light heading for the space from the bright part region in the light entering the frame forming part from the light source, or makes the intensity of the light from the bright part region stronger than the intensity of the light from the dark part region in the light entering the frame forming part from the light source.

An illumination device includes a frame forming part that is provided at at least one position on an end part of a light-emitting panel having a light emission surface or in a vicinity of the light-emitting panel and includes a bright part region and a dark part region, a light source that emits light to be incident upon the frame forming part, and a light amount regulation part that makes intensity of light heading for a space facing the light emission surface from the dark part region weaker than intensity of light heading for the space from the bright part region in the light entering the frame forming part from the light source, or makes the intensity of the light from the bright part region stronger than the intensity of the light from the dark part region in the light entering the frame forming part from the light source.

An anti-glare downlight apparatus includes a rim housing, an anti-glare cup and a light source module. The rim housing has an installation space. The anti-glare cup has an installation part and a light passing hole. The anti-glare hole is enclosed by the installation space. The light source module has a LED module and a mounting bracket. The mounting bracket is attached to the installation part of the anti-glare cup for a light emitted from the LED module passing through the light passing hole of the anti-glare cup. The anti-glare cup has an inner wall with a light absorbing layer for absorbing a portion of the light.

A snow shield assembly for use with a traffic signal is described. The snow shield assembly typically comprises a shield collar, lens shield, extension ring, and mounting assembly. In some variations, a signal visor may be further included. The snow shield assembly can be retrofit for use with existing traffic signals. The design and configuration of the snow shield assembly creates a gap between the lens shield and the shield collar, providing a second egress for blowing snow in addition to the open bottom portion of the existing signal visor, helping to prevent the obstruction of the signal lens by falling snow. Further, the extension ring permits use on traffic signals having louver covers over the signal lenses.

A light guide for a luminaire is provided. The light guide includes: an elongated base comprising a light emitting surface at a distal end, and opposing major faces; and a plurality of collimators arranged in an adjacent manner and projecting in a proximal direction from the base, wherein each collimator has a light receiving surface at a proximal end, wherein each collimator expands laterally outwardly in a distal direction. Substantially all light received at the light receiving surfaces internally reflects through the collimators and the base and emits from the light emitting surface.

An emblem for a vehicle comprises: (a) a light source configured to emit visible light; (b) a cover assembly disposed over the light source, the cover assembly having an inner surface, an outer surface, and a transparent portion that is transparent to the visible light, the visible light being incident to the inner surface, and the visible light that the light source emits transmitting through the transparent portion out of the outer surface to an external environment beyond the emblem; and (c) one or more surface relief patterns disposed on the cover assembly, the one or more surface relief patterns configured to manipulate (i) the visible light that the light source emits, (ii) visible light from the external environment, or (iii) both (i) and (ii).