Lighting system including visible-light source, optical system, mounting system, and control system. Visible-light source includes plurality of semiconductor light-emitting devices (SLEDs) and selectably generates: visible-light emissions having cyan-ish color point; and visible-light emissions having orange-ish color point. Optical system and mounting system are integrated with visible-light source. Optical system is arranged to combine together, into combined light emissions, visible-light emissions from SLEDs among plurality of SLEDs. Mounting system is arranged for directing combined light emissions as up-light emissions. Control system is coupled with visible-light source and selectably causes visible-light emissions to have cyan-ish color point or orange-ish color point. Control system and optical system cooperatively form combined up-light emissions as having dynamic spectrum for emulating orange-ish sky color at time of day selected to represent sunrise sky or to represent sunset sky, changing over time for emulating cyan-ish sky color at another time of day selected to represent mid-day sky.

Parallel light traveling in a direction perpendicular to an outgoing surface having a curved surface is emitted. A light guide member according to one or more embodiments may include: an incident surface where light from a light source enters; at least one reflective surface that reflects the light having entered from the incident surface; and an outgoing surface that is formed of a curved surface and emits the light reflected by the reflective surface. The reflective surface reflects the light having entered from the light source in a direction in which the incident angle of the light incident on the outgoing surface is constant.

The present disclosure provides a lamp and a lamp system. The lamp includes two opposing side covers, a light guide plate, at least one light source and an electrical connecting assembly. The light guide plate has a light incident surface and a light emitting surface connected to the light incident surface, and the light emitting surface of the light guide plate is a curved surface. The light source is disposed in one of the side frames, and the light source is disposed near the light incident surface of the light guide plate. The electrical connecting assembly is connected to the light source to form an electrical loop.

A light emitting module includes a light source, a light guide member, and first and second light reflective members. The light guide member is configured to transmit light from the light source. The light guide member having an upper surface and a lower surface opposite to the upper surface. The first light reflective member is arranged on a lower surface side of the light guide member. The first light reflective member has a lower surface. The first light reflective member includes a first resin, and a first reflective body having a refractive index higher than a refractive index of the first resin. The second light reflective member is arranged on a lower surface side of the first light reflective member. The second light reflective member includes a second resin, and a second reflective body having a refractive index lower than a refractive index of the second resin.

A light guiding structure, a light source module and a display module are disclosed. The light guiding structure includes a light guiding body and at least one light guiding cavity disposed in the light guiding body. The light guiding body includes a light incident surface and a light exit surface which are disposed opposite to each other. Each light guiding cavity includes a first end close to the light incident surface of the light guiding body and a second end away from the light incident surface of the light guiding body, and the light guiding cavity extends from the first end to the second end.

The present disclosure provides a lamp and a lamp system. The lamp includes two opposing side covers, a light guide plate, at least one light source and an electrical connecting assembly. The light guide plate has a light incident surface and a light emitting surface connected to the light incident surface, and the light emitting surface of the light guide plate is a curved surface. The light source is disposed in one of the side frames, and the light source is disposed near the light incident surface of the light guide plate. The electrical connecting assembly is connected to the light source to form an electrical loop.

A light-guiding member includes a plurality of light-emitting portions separated by grooves; and a plurality of light sources each corresponding to a respective one of the plurality of light-emitting portions. The plurality of light-emitting portions include a plurality of outer portions, and at least one inner portion located in a region surrounded by the plurality of outer portions in a plan view. Each of the plurality of outer portions is adjacent to a smaller number of the light-emitting portions than a number of the light-emitting portions adjacent to a single inner portion of the at least one inner portion in a plan view. An area of a single outer portion of the plurality of outer portions is smaller than an area of the single inner portion in the plan view.

A light pipe is mounted to a support structure along a length of the light pipe. The light pipe has an end at which light enters the light pipe. Light exits the light pipe at an emissive surface of the light pipe. A reflective backing is positioned at a surface of the light pipe opposite the emissive surface. A compliant member between the reflective backing and the support structure maintains the reflective backing flush against the surface of the light pipe.

A lighting device disclosed in an embodiment of the invention includes a substrate; a plurality of light emitting devices on the substrate; a first reflective layer on the substrate; a resin layer on the first reflective layer; and a second reflective layer on the resin layer. The resin layer includes a first surface from which light emitted from the plurality of light emitting devices is emitted, and a second surface opposite to the first surface, wherein the first surface of the resin layer includes a first exit surface having a first curvature, and a second exit surface having a flat surface or a second curvature, wherein a maximum distance from the second surface to the first exit surface may be greater than a maximum distance from the second surface to the second exit surface.

A lighting device disclosed in an embodiment of the invention includes a substrate; a plurality of light emitting devices on the substrate; a first reflective layer on the substrate; a resin layer on the first reflective layer and including a first surface from which light emitted from the light emitting device is extracted; a second reflective layer on the resin layer; and a light extraction layer on the first surface of the resin layer, wherein the first surface of the resin layer has a convex portion having a convex exit surface facing to each of the light emitting devices, and concave portions between the convex portions, and the light extraction layer may include a first extraction portion having protrusions on each exit surface, and second extraction portions concave between the plurality of protrusions.