High thermal conductivity dielectric materials systems or pastes are useful on aluminum alloy substrates for LED and high power circuitry applications.

The invention relates to a composition for producing a solar absorber coating, comprising a silicone resin formulated with: (i) at least one compound selected from the group consisting of black ruthenium oxides and black spinel; and (ii) a glass powder. A method of applying the composition and coatings formed are also provided.

A solid state method of producing inorganic nanoparticles using glass is disclosed. The nanoparticles may not be formed until the glass is reacted with or degraded by contact with a fluid in vivo or in vitro.

The present invention provides a chemically strengthened glass suitable for use in applications in which the chemically strengthened glass is desired to have chemically strengthened properties that differ from surface to surface. The present invention relates to a chemically strengthened glass having a first surface and a second surface which faces the first surface, in which the first surface has a depth of compressive stress layer DOL.sub.1 (μm) which is larger by at least 3 μm than a depth of compressive stress layer DOL.sub.2 (μm) of the second surface, the second surface has a surface compressive stress CS.sub.2 (MPa) which is higher by at least 50 MPa than a surface compressive stress CS.sub.1 (MPa) of the first surface, and the chemically strengthened glass satisfies the following relational expressions (2) and (3):

[Dh(E)−Dh(1)]<0  (2)

[Dh(E)−Dh(2)]>0  (3).

According to one embodiment, a glass-ceramic composition may include from about 60 mol. % to about 75 mol. % SiO.sub.2; from about 5 mol. % to about 10 mol. % AI.sub.2O.sub.3; from about 2 mol. % to about 20 mol. % alkali oxide R.sub.2O, the alkali oxide R.sub.2O including Li.sub.20 and Na.sub.2O; and from 0 mol. % to about 5 mol. % alkaline earth oxide RO, the alkaline earth oxide RO including MgO. A ratio of Al.sub.2O.sub.3 (mol. %)) to the sum of (R.sub.2O (mol. %)+RO (mol. %)) may be less than 1 in the glass-ceramic composition. A major crystalline phase of the glass-ceramic composition may be Li.sub.2Si.sub.2O.sub.5. A liquidus viscosity of the glass-ceramic composition may be greater than 35 kP. The glass-ceramic composition may be used to form the glass clad layer(s) of a laminated glass article.

The present invention relates to a substrate for the color conversion of a light-emitting diode and a manufacturing method therefor and, more specifically, to a substrate for the color conversion of a light-emitting diode and a manufacturing method therefor, which enable a quantum dot (QD) and a structure, in which the QD is supported, to have a color conversion function for implementing white light. To this end, the present invention provides a substrate for the color conversion of a light-emitting diode, comprising: a first glass substrate arranged on a light-emitting diode; a second glass substrate formed to face the first glass substrate; a structure arranged between the first glass substrate and the second glass substrate, having a hollow portion and formed from a mixture of a yellow phosphor and a low-melting point frit glass; a QD filling the hollow portion; and sealing materials respectively formed between the first glass substrate and the lower side of the structure and between the second glass substrate and the upper side of the structure.

Electronic devices are produced from dielectric compositions comprising a mixture of precursor materials that, upon firing, forms a dielectric material comprising a barium-strontium-titanium-tungsten-silicon oxide.

A ceramic ink may include about 20% to 80% by weight oxide frit, wherein the oxide frit is particles of at least one compound selected from silica, titania, alumina, zirconia, a compound having fluoride ion, bismuth oxide, zinc oxide, boron oxide, potassium oxide, sodium oxide, calcium oxide, barium oxide, lead oxide, lithium oxide, phosphorous oxide, molybdenum oxide, strontium oxide, and magnesium oxide; about 10% to 40% by weight infrared or near-infrared transmissive or reflective inorganic pigment; and about 10% to 40% vehicle.

Disclosed herein are sealed devices comprising a first substrate, a second substrate, an inorganic film between the first and second substrates, and at least one weld region comprising a bond between the first and second substrates. The weld region can comprise a chemical composition different from that of the inorganic film and the first or second substrates. The sealed devices may further comprise a stress region encompassing at least the weld region, in which a portion of the device is under a greater stress than the remaining portion of the device. Also disclosed herein are display and electronic components comprising such sealed devices.

The invention relates to a method to produce a dental structure with a cavity having a negative form of the structure, which is formed in an investment material, wherein flowable lithium silicate glass ceramic is pressed into the cavity. Thereby a compressive surface stress is created in the ceramic structure through the replacement of lithium ions by alkali ions, in that the model is enriched with alkali compounds and/or the model is covered with a layer of a material containing alkali ions.