An LED module is disclosed, which includes one or more LED light sources and one or more lenses. Each lens includes a lens body. The lens body includes an inner cavity having an incident surface, an emergent surface, and a reflective surface extending between the incident surface and the emergent surface for providing total internal reflection. One LED light source is situated in the inner cavity. Light emitted from the LED light source is transmitted by the incident surface. At least portion of transmitted light by the incident surface is reflected by the reflective surface to the emergent surface so as to provide a narrow light beam angle perpendicular to a length direction of the LED module. The emergent surface has a plurality of micro structures for enlarging a light viewing angle in the length direction. A sign box using one or more LED modules is also disclosed.

To provide a light emitting module capable of reducing luminance unevenness. A light emitting module 10 includes an element substrate 11 extending in one direction, and a plurality of LEDs 12 mounted in alignment in a longitudinal direction of the element substrate 11, and an end surface 11a in the longitudinal direction of the element substrate 11 has an inclined surface 11c which is inclined with respect to an end surface 11b in a short side direction.

Disclosed is an electronic device including a housing, a plurality of output devices which are visually exposed through a part of the housing and are disposed at different positions, at least one sensor which is positioned in the housing and disposed at a position adjacent to the positions at which the plurality of output devices are disposed, and a processor. The electronic device may obtain a plurality of first distance values between the plurality of output devices and an object using the at least one sensor, output light through at least one first output device selected from among the plurality of output devices, based on at least one first distance value belonging to values in a first specified range among the plurality of first distance values, obtain a plurality of second distance values between the plurality of output devices and the object using the at least one sensor, and output light through at least one second output device selected from among the plurality of output devices, based on at least one second distance value belonging to values in a second specified range among the plurality of second distance values. In addition, various embodiments understood from the specification are possible.

The disclosure provides conspicuity devices and methods. A first embodiment includes a glove with at least one elongate lighting device adapted and configured to admit light having an advantageous spectral energy distribution. Additional articles of clothing are provided herein for enhanced conspicuity, such as for emergency workers and athletes.

An illumination system includes a light assembly. The light assembly may include a housing having a first zone and a second zone isolated from the first zone. The housing may be configured to fit generally flush with a ceiling. A movable light source may be positioned within the first zone and is configured to emit a first light. A stationary light source may be positioned within the second zone and is configured to emit a second light.

The present disclosure provides a safety light. The safety light includes a top housing; a printed circuit board assembly coupled to the top housing, the printed circuit board assembly having a top surface and a bottom surface; a plurality of light elements coupled to the bottom surface of the printed circuit board assembly, the printed circuit board assembly programmed to energize the plurality of light elements following depression of a first control button; a lens coupled to the bottom surface of the printed circuit board assembly and the plurality of light elements, the lens having a first angled reflective surface and a plurality of side surfaces; and a bottom housing coupled to the lens.

Disclosed is an electronic device including a housing, a plurality of output devices which are visually exposed through a part of the housing and are disposed at different positions, at least one sensor which is positioned in the housing and disposed at a position adjacent to the positions at which the plurality of output devices are disposed, and a processor. The electronic device may obtain a plurality of first distance values between the plurality of output devices and an object using the at least one sensor, output light through at least one first output device selected from among the plurality of output devices, based on at least one first distance value belonging to values in a first specified range among the plurality of first distance values, obtain a plurality of second distance values between the plurality of output devices and the object using the at least one sensor, and output light through at least one second output device selected from among the plurality of output devices, based on at least one second distance value belonging to values in a second specified range among the plurality of second distance values. In addition, various embodiments understood from the specification are possible.

The diffusive body lets first light enter and emits scattered light, wherein a scattering layer and a transmission layer, the diffusive body has a light incidence surface that lets the first light enter and a main surface where a first light emission surface emitting the scattered light is formed, the light incidence surface is formed at an end face forming a first end part of the main surface, the diffusive body functions as a light guide path that makes the entered first light move to and fro between the scattering layer and the transmission layer, the scattering layer includes an optical medium on a nanometer order and generates the scattered light by having the first light scattered by the optical medium on the nanometer order, and a correlated color temperature of the scattered light is higher than the correlated color temperature of the first light.

A lighting fixture and method of providing lighting is provided herein that utilizes both direct and indirect light sources. The direct and indirect light sources can be provided in arrays of light emitting diodes (LEDs) oriented along desired axes. In some versions, the light fixtures described herein include a direct lighting array having one or more LEDs oriented to project light downwardly and an indirect lighting array having a plurality of LEDs oriented to project light in a transverse direction. Further, the light fixtures can include an indirect lighting member configured to be illuminated by the plurality of LEDs of the indirect lighting array. Additionally, or alternatively, the light fixtures described herein can include one or more controllers that are configured to independently operate the direct and indirect lighting arrays. Moreover, the indirect lighting array can be configured to emit light in a plurality of colors to visually convey information.

According to an aspect of this disclosure, a ventilation and lighting system including a main housing having an inlet opening and a discharge opening, a blower and motor assembly disposed within a housing and operable to move air through the inlet and outlet, a grille configured to be located at the inlet opening, the grille having a cavity and a plate defining a plurality of apertures through which air may move, and one or more lighting elements arranged within the cavity and an optical component covering the cavity. The system is arranged such that light developed by the one or more lighting elements mixes within the cavity and transmits through the optical component covering the cavity, and the system further includes a controller that coordinates operation of the blower and motor assembly and the one or more lighting elements from a remote location.