Abstract: A stretchable strain sensor includes a light-emitting element, an optical structure, and a photo-detective element. The stretchable strain sensor is located in a path of light emitted from the light-emitting element. The optical structure is configured to have optical properties that change in response to stretching of at least a portion of the stretchable strain sensor. The photo-detective element is configured to detect light transmitted through the optical structure or reflected through the optical structure.

Abstract: A stretchable strain sensor includes a light-emitting element, an optical structure, and a photo-detective element. The stretchable strain sensor is located in a path of light emitted from the light-emitting element. The optical structure is configured to have optical properties that change in response to stretching of at least a portion of the stretchable strain sensor. The photo-detective element is configured to detect light transmitted through the optical structure or reflected through the optical structure.

Abstract: An organic thin film transistor includes a gate electrode, an organic semiconductor layer overlapped with the gate electrode, a hydrophilic nanolayer on the organic semiconductor layer, and a source electrode and a drain electrode electrically connected to the organic semiconductor layer.

Abstract: Disclosed are a polymer including at least one structural unit with a moiety represented by Chemical Formula 1, an organic thin film including the polymer, a thin film transistor, and an electronic device. In Chemical Formula 1, Ar1 to Ar3, L1, L2, and R1 to R6 are the same as described in the detailed description.

Abstract: A stretchable strain sensor includes a light-emitting element, an optical structure, and a photo-detective element. The stretchable strain sensor is located in a path of light emitted from the light-emitting element. The optical structure is configured to have optical properties that change in response to stretching of at least a portion of the stretchable strain sensor. The photo-detective element is configured to detect light transmitted through the optical structure or reflected through the optical structure.

Abstract: Disclosed are an organic thin film includes a first compound represented by one of Chemical Formula 1A and 1B and a second compound different from the first compound and represented by one of Chemical Formulae 2A and 2B, an organic thin film transistor, and an electronic device.

Abstract: Disclosed are a polymer including at least one structural unit with a moiety represented by Chemical Formula 1, an organic thin film including the polymer, a thin film transistor, and an electronic device. In Chemical Formula 1, Ar1 to Ar3, L1, L2, and R1 to R6 are the same as described in the detailed description.

Abstract: Disclosed are an organic thin film includes a first compound represented by one of Chemical Formula 1A and 1B and a second compound different from the first compound and represented by one of Chemical Formulae 2A and 2B, an organic thin film transistor, and an electronic device.

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 nanoparticle phosphor element includes a capsule-shaped material that has a plurality of concave portions in a surface, a medium that is sealed in the capsule-shaped material, and a semiconductor nanoparticle phosphor that is dispersed in the medium, and a light emitting element includes a sealing material, and the nanoparticle phosphor element of the disclosure that is dispersed in the sealing material.

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 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 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: 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 nanoparticle includes a nanoparticle core composed of a compound semiconductor, a shell layer that covers the nanoparticle core, and a modifying organic compound bound to the outer surface of the shell layer. The modifying organic compound exhibits absorption in at least part of a wavelength range of 300 nm or more and 400 nm or less.

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.