A light conversion plate including a first glass substrate; a light conversion layer disposed on the first glass substrate and including quantum dots that convert incident light into light having a specific wavelength range; and a second glass substrate disposed on the light conversion layer. Further, a surface of at least one of the first glass substrate and the second glass substrate includes a plurality of protrusion patterns.

A flexible sheet of light-emitting diode (LED) light emitters includes a support substrate having a thermally conductive material. The flexible sheet of LED light emitters also has an LED emitter sheet overlying the support substrate, and the LED emitter sheet including a plurality of LED light emitters. The flexible sheet of LED light emitters also has a flexible circuit sheet overlying the LED emitter sheet, and a phosphor sheet overlying the flexible circuit sheet. The phosphor sheet includes a wave-length converting material. The flexible sheet of LED light emitters also has a lens sheet overlying the phosphor sheet. The lens sheet includes a plurality of lenses.

A ceiling fan includes a support, a motor portion, a blade portion, control section, illumination portion, and case. Illumination portion includes lower illumination cover, upper illumination cover, and LED substrate portion. Heat dissipation plates are provided on a side of upper illumination cover.

An illumination device includes a bulb including a segment of at least second order curvature and a cylindrical segment. A least two laser diodes are coupled with the bulb such that laser beams emitted by the at least two laser-diodes propagate inside the bulb through total internal reflection. The laser beams propagating in the bulb expand in the bulb, are evenly mixed and exceed outward from the bulb as a volumetric light flux.

A phosphor sheet includes: a stacked structure including a first phosphor layer and a pair of transparent films each being in contact with either side of the first phosphor layer; a seal layer integrally covering an area from an end face of the stacked structure to a periphery of the stacked structure; and a second phosphor layer further covering a portion of the seal layer, the portion covering at least the periphery of the stacked structure.

The invention provides a lighting device comprising a light source configured to provide light source light having a blue light component and a light converter configured to convert at least part of the light source light into converter light, wherein the light converter comprises a polymeric matrix (22) with a luminescent material, wherein the luminescent material comprises a luminescent molecule (300) comprising a first group (310) able to absorb at least part of the blue light component, and a second group (320) able to emit luminescent molecule light having a red light component, wherein the first group (310) is configured to transfer at least part of the energy acquired by the absorption of said blue light component to the second group (320) for generation of said luminescent molecule light having a red light component.

A vehicle includes a cargo box including at least one side wall. A tailgate is coupled to the box and operable between open and closed positions. A light assembly is positioned in a vehicle rear portion of the at least one side wall. A box light is configured to emit light into the box and a puddle lamp is configured to emit light in a vehicle rearward direction.

A diffuse reflection material, a diffuse reflection layer, a wavelength conversion device, and a light source system are disclosed. The diffuse reflection material includes white scattering particles and an adhesive agent, where the whiteness of the white scattering particles is greater than 85, and the white scattering particles contain high reflection scattering particles with a whiteness of greater than 90, high refraction scattering particles with a refractive index of greater than or equal to 2.0, and high thermal conductivity scattering particles, where the high thermal conductivity scattering particles are boron nitrite and/or aluminum nitride particles, and the particle shape of the high thermal conductivity scattering particles is rod-like or flat. The reduction in the thickness of the diffuse reflection layer is realized while keeping a high reflectivity, thus causing the wavelength conversion device to have both a high light efficiency and high heat stability.

Provided is a sintered phosphor-composite for an LED, having high heat resistance, high thermal conductivity, high luminance, and high conversion efficacy. In addition, there are provided: a light-emitting apparatus which uses the sintered phosphor-composite; and an illumination apparatus and a vehicular headlamp which use the light-emitting apparatus. The sintered phosphor-composite includes a nitride phosphor and a fluoride inorganic binder. The sintered phosphor-composite preferably has an internal quantum efficiency of 60% or more when excited by blue light having a wavelength of 450 nm. Further, the sintered phosphor-composite preferably has a transmittance of 20% or more at a wavelength of 700 nm.

Provided is a wavelength conversion member including: a wavelength conversion layer including at least one kind of quantum dots that are excited by excitation light to emit fluorescence and are dispersed in an organic matrix; an intermediate layer that is provided adjacent to at least one main surface of the wavelength conversion layer; and a barrier layer that is provided adjacent to a main surface of the intermediate layer opposite to the wavelength conversion layer and includes silicon nitride and/or silicon oxynitride as a major component, in which the organic matrix is obtained by curing a curable composition including at least an alicyclic epoxy compound, and the intermediate layer includes a chemical structure A which is bonded to silicon nitride and/or silicon oxynitride as a major component of the barrier layer and a chemical structure B which is bonded to the organic matrix.