Abstract: A phosphor containing particle includes a semiconductor nanoparticle phosphor and a matrix including a constitutional unit derived from an ionic liquid, the semiconductor nanoparticle phosphor being dispersed in the matrix. A light emitting device comprises a light source and a wavelength converter in which the phosphor containing particle of the present invention is dispersed in a translucent medium. A phosphor containing sheet in which the phosphor containing particle of the present invention is dispersed in a sheet-like translucent medium.

Abstract: A light emitting device includes a light source and a wavelength converter that includes a resin including a constitutional unit that includes an ionic liquid or a derivative of the ionic liquid, and a semiconductor nanoparticle phosphor included in the resin and provided on at least a portion of the light source. A wavelength converter includes a resin including a constitutional unit that includes an ionic liquid or a derivative of the ionic liquid, and a semiconductor nanoparticle phosphor included in the resin and emitting fluorescence upon receiving excitation light. A light emitting device includes the wavelength converter and a light source emitting excitation light to the wavelength converter, which is provided separately from the wavelength converter.

Abstract: A phosphor containing particle includes a semiconductor nanoparticle phosphor and a matrix including a constitutional unit derived from an ionic liquid, the semiconductor nanoparticle phosphor being dispersed in the matrix. A light emitting device comprises a light source and a wavelength converter in which the phosphor containing particle of the present invention is dispersed in a translucent medium. A phosphor containing sheet in which the phosphor containing particle of the present invention is dispersed in a sheet-like translucent medium.

Abstract: A semiconductor phosphor nanoparticle includes a semiconductor nanoparticle core containing a compound semiconductor, a shell layer coating the semiconductor nanoparticle core, and a modifying organic compound bonded to the shell layer through siloxane bonding. The modifying organic compound has an alkyl chain.

Abstract: There is provided a semiconductor phosphor nanoparticle comprising: a nano particle core composed of a compound semiconductor, a first coating layer coating the nano particle core, and a second coating layer bonded to an outer surface of the first coating layer through Si—O bonding.

Abstract: A phosphor containing particle includes a semiconductor nanoparticle phosphor and a matrix including a constitutional unit derived from an ionic liquid, the semiconductor nanoparticle phosphor being dispersed in the matrix. A light emitting device comprises a light source and a wavelength converter in which the phosphor containing particle of the present invention is dispersed in a translucent medium. A phosphor containing sheet in which the phosphor containing particle of the present invention is dispersed in a sheet-like translucent medium.

Abstract: A light emitting structure comprises a translucent support, a liquid dispersion medium, and a semiconductor nanoparticle phosphor. Preferably, the light emitting structure is formed such that the translucent support has a pore, the liquid dispersion medium is held in the pore of the translucent support, and the semiconductor nanoparticle phosphor is dispersed in the liquid dispersion medium. Furthermore, preferably, the light emitting structure is such that the translucent support includes a macromolecular chain forming a three-dimensional mesh structure, and one or more types of semiconductor nanoparticle phosphors are dispersed in a gelated material including the translucent support and the liquid dispersion medium and presented in a wet state.

Abstract: A light emitting device includes a light source and a wavelength converter that includes a resin including a constitutional unit that includes an ionic liquid or a derivative of the ionic liquid, and a semiconductor nanoparticle phosphor included in the resin and provided on at least a portion of the light source. A wavelength converter includes a resin including a constitutional unit that includes an ionic liquid or a derivative of the ionic liquid, and a semiconductor nanoparticle phosphor included in the resin and emitting fluorescence upon receiving excitation light. A light emitting device includes the wavelength converter and a light source emitting excitation light to the wavelength converter, which is provided separately from the wavelength converter.

Abstract: There is provided a semiconductor phosphor nanoparticle comprising: a nano particle core composed of a compound semiconductor, a first coating layer coating the nano particle core, and a second coating layer bonded to an outer surface of the first coating layer through Si—O bonding.

Abstract: A semiconductor phosphor nanoparticle includes a semiconductor nanoparticle and a first organic compound. An end of the first organic compound is bonded to a surface of the semiconductor nanoparticle, and the other end of the first organic compound is polymerized to form a first inorganic layer.

Abstract: A nanoparticle phosphor includes a nanoparticle composed of a compound semiconductor containing a first metal atom, and an inorganic substance layer provided on at least a part of the surface of the nanoparticle and containing the first metal atom and one or more kinds of hetero atoms. In the inorganic substance layer, the first metal atom is bound to the hetero atom.

Abstract: A semiconductor phosphor nanoparticle includes a semiconductor nanoparticle core containing a compound semiconductor, a shell layer coating the semiconductor nanoparticle core, and a modifying organic compound bonded to the shell layer through siloxane bonding. The modifying organic compound has an alkyl chain.

Abstract: A light-emitting device including a light source to emit primary light and a light-emitting section provided with a transparent member containing first nanoparticles which absorb at least part of the primary light and emit secondary light, wherein the light-emitting section is provided with an antireflective structure section disposed on at least part of an outer surface of the transparent member. The antireflective structure section may contain ultraviolet absorptive second nanoparticles.

Abstract: A nanoparticle phosphor includes a nanoparticle composed of a compound semiconductor containing a first metal atom, and an inorganic substance layer provided on at least a part of the surface of the nanoparticle and containing the first metal atom and one or more kinds of hetero atoms. In the inorganic substance layer, the first metal atom is bound to the hetero atom.

Abstract: A semiconductor phosphor nanoparticle includes a semiconductor nanoparticle and a first organic compound. An end of the first organic compound is bonded to a surface of the semiconductor nanoparticle, and the other end of the first organic compound is polymerized to form a first inorganic layer.