The application discloses a method for preparing a nano-quantum dot, a nano-quantum dot material, the application thereof and a quantum dot article, and relates to the technical field of quantum dot material preparation. The method for preparing the nano-quantum dot includes the following steps: rapidly solidifying a high-temperature melt in which a carrier corresponding to a target product ion/atomic group/molecular group is dissolved to obtain a carrier in which the target product nano-quantum dot is embedded. The nano-quantum dot material is prepared by using the method. The nano-quantum dot material is applied to the fields of luminescent devices, optical biological marks, disease detection, semiconductors or photoelectricity. Moreover, a quantum dot article containing the nano-quantum dot material is provided.

The disclosure relates to a glass and a melt solder for the passivation of semiconductor components, the use of the glass or the melt solder for the passivation of semiconductor components, a passivated semiconductor component and a method for passivating semiconductor components.

Provided is a wavelength conversion member that is less decreased in luminescence intensity with time by irradiation with light of an LED or LD and a light emitting device using the wavelength conversion member. A wavelength conversion member is formed of an inorganic phosphor dispersed in a glass matrix, wherein the glass matrix contains, in % by mole, 30 to 85% SiO.sub.2, 0 to 20% B.sub.2O.sub.3, 0 to 25% Al.sub.2O.sub.3, 0 to 3% Li.sub.2O, 0 to 3% Na.sub.2O, 0 to 3% K.sub.2O, 0 to 3% Li.sub.2O+Na.sub.2O+K.sub.2O, 0 to 35% MgO, 0 to 35% CaO, 0 to 35% SrO, 0 to 35% BaO, 0.1 to 45% MgO+CaO+SrO+BaO, and 0 to 4% ZnO, and the inorganic phosphor is at least one selected from the group consisting of an oxide phosphor, a nitride phosphor, an oxynitride phosphor, a chloride phosphor, an oxychloride phosphor, a halide phosphor, an aluminate phosphor, and a halophosphate phosphor.

A light generator comprises a light conversion device and a light source arranged to apply a light beam to the light conversion element. The light conversion device includes an optoceramic or other solid phosphor element comprising one or more phosphors embedded in a ceramic, glass, or other host, a metal heat sink, and a solder bond attaching the optoceramic phosphor element to the metal heat sink. The optoceramic phosphor element does not undergo cracking in response to the light source applying a light beam of beam energy effective to heat the optoceramic phosphor element to the phosphor quenching point.

The present invention relates to a glass ceramic material comprising a core-rim structure, wherein the core-rim structure comprises an amorphous SiO.sub.2 matrix, ZrO.sub.2 crystals, and hardness-enhancing additive, the ZrO.sub.2 crystals are present in cores that are at least partly surrounded by a rim comprising hardness-enhancing additive.

Optical glass, a preparation method thereof, a backlight module and a display module. The optical glass comprises a glass substrate and optical masterbatches, which are dispersed in the glass substrate, each optical masterbatch comprises a quantum dot fluorescent agent inner core and an encapsulation shell which encloses the quantum dot fluorescent agent inner core. A quantum dot fluorescent agent is protected by the encapsulation shell and the luminous efficiency is high; when the optical glass is applied to a display module, the color gamut may be improved; moreover, the glass is capable of preventing against the invasion of water vapor, even the quantum dot fluorescent agent at an edge of the glass rarely fails, and an edge failure size is basically avoided; meanwhile, the expansion coefficient is small, and an expansion space reserved during assembly is extremely small.

A tinted glass composition and glass article including the same, the composition including: about 45 mol % to about 80 mol % SiO.sub.2; about 6 mol % to about 22 mol % Al.sub.2O.sub.3; 0 mol % to about 25 mol % B.sub.2O.sub.3; about 7 mol % to about 25 mol % of at least one alkaline earth oxide selected from MgO, CaO, SrO, BaO, and combinations thereof, about 0.5 mol % to about 20 mol % CuO; 0 mol % to about 6 mol % SnO.sub.2, SnO, or a combination thereof, 0 mol % to about 1.0 mol % C; 0 mol % to about 5 mol % La.sub.2O.sub.3; and 0 mol % to about 10 mol % PbO, and that is substantially free of alkali metal.

A composition for solar cell electrodes including a conductive powder, a glass frit, and an organic vehicle. The glass frit contains tellurium (Te), sodium (Na), zinc (Zn), and at least one of lead (Pb) and bismuth (Bi). A molar ratio of the sum of lead and bismuth to zinc ranges from about 1 to about 20. A molar ratio of tellurium to sodium ranges from about 1 to about 15.

The present disclosure provides a glass ceramic composite electrolyte comprising gadolinium doped ceria and glass composite with desired ionic conductivity in the temperature range of 400 to 600° C., suitable for applications in solid oxide fuel cells. Also disclosed is a process for the preparation of the glass ceramic composite electrolyte.

Multicolored glass-based articles and methods of manufacture are disclosed. The method includes forming a glass-based part and exposing a first region to radiation and a second region to radiation such that the first and second regions have different sized metallic nanoparticles, resulting in a multicolored glass article.