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.

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 near-infrared absorbing glass, which contains at least four kinds of main cations selected from the group consisting of P ions, Li ions, Cu ions, Al ions, Ba ions, Sr ions, Ca ions, Mg ions, Zn ions, K ions, Na ions, La ions, Gd ions, and Y ions, contains P ions, Li ions, and Cu ions as essential cations, and contains at least O ions as anions, wherein a ratio (O ion/P ion) of a content of O ions relative to a content of P ions is 3.15 or less; in a glass composition indicated by anion %, a content of O ions is 90.0 anion % or more; and in an oxide-based glass composition on a molar basis, a total content of oxides of the main cations is 90.0% or more, and a total content (MgO+Al.sub.2O.sub.3) of MgO and Al.sub.2O.sub.3 is 8.0% or less.

The near-infrared absorbing glass, which contains at least four kinds of main cations selected from the group consisting of P ions, Li ions, Cu ions, Al ions, Ba ions, Sr ions, Ca ions, Mg ions, Zn ions, K ions, Na ions, La ions, Gd ions, and Y ions, contains P ions, Li ions, and Cu ions as essential cations, and contains at least O ions as anions, wherein a ratio (O ion/P ion) of a content of O ions relative to a content of P ions is 3.15 or less; in a glass composition indicated by anion %, a content of O ions is 90.0 anion % or more; and in an oxide-based glass composition on a molar basis, a total content of oxides of the main cations is 90.0% or more, and a total content (MgO+Al.sub.2O.sub.3) of MgO and Al.sub.2O.sub.3 is 8.0% or less.

A method of synthesizing a precursor for making a polymer, glass, or ceramic material is provided. The method includes reacting OPCl.sub.3 with NH.sub.3 or MNH.sub.2, where M is Li, Na, K, Mg, Ca, Ba, or combinations thereof, to form O═P(NH.sub.2).sub.3. The method then includes either: (i) reacting the O═P(NH.sub.2).sub.3 with M1NH.sub.2, where M1 is Li, Na, K, Mg, Ca, Ba, or combinations thereof, to form the precursor; or (ii) heating the O═P(NH.sub.2).sub.3 to form a branched or cyclomeric compound, and reacting the branched or cyclomeric compound with M1NH.sub.2, where M1 is Li, Na, K, Mg, Ca, Ba, or combinations thereof, to form the precursor. The precursor is an oligomer or a polymer. Uses for the precursor and the polymer, glass, or ceramic material as binders, sintering aids, adhesives, and electrolytes in battery components are also provided.

Provided is optical glass in which a refractive index nd is 1.900 or more, an Abbe number vd is 25.0 or less, an amount of P.sub.2O.sub.5 is 5.0 mass % or more, an amount of Bi.sub.2O.sub.3 is 20.0 mass % or less, an amount of TiO.sub.2 is 0.1 mass % or more, a mass ratio [TiO.sub.2/(Li.sub.2O+Na.sub.2O+K.sub.2O)] between the amount of TiO.sub.2, and a total amount of Li.sub.2O, Na.sub.2O, and K.sub.2O [Li.sub.2O+Na.sub.2O+K.sub.2O] is 2.5 to 10.0, a mass ratio [TiO.sub.2/(MgO+CaO+ZnO+SrO+BaO)] between the amount of TiO.sub.2 and a total amount of MgO, CaO, ZnO, SrO, and BaO [MgO+CaO+ZnO+SrO+BaO] is 1.25 to 10.0, and a mass ratio [(Li.sub.2O+Na.sub.2O+MgO+CaO+ZnO+SrO)/(K.sub.2O+BaO)] between a total amount of Li.sub.2O, Na.sub.2O, MgO, CaO, ZnO, and SrO [Li.sub.2O+Na.sub.2O+MgO+CaO+ZnO+SrO] and a total amount of K.sub.2O and BaO [K.sub.2O+BaO] is 0.8 or less.

Provided is optical glass in which an amount of P.sub.2O.sub.5 is 10.0 to 40.0 mass %, an amount of TiO.sub.2 is 5.0 to 40.0 mass %, an amount of Nb.sub.2O.sub.5 is 20.0 to 60.0 mass %, an amount of K.sub.2O is 0.01 mass % or more, a total amount of Li.sub.2O, Na.sub.2O, K.sub.2O, MgO, CaO, ZnO, SrO, and BaO [Li.sub.2O+Na.sub.2O+K.sub.2O+MgO+CaO+ZnO+SrO+BaO] is 20.0 mass % or less, a total amount of TiO.sub.2 and Nb.sub.2O.sub.5[TiO.sub.2+Nb.sub.2O.sub.5] is 55.0 mass % or more, a mass ratio [K.sub.2O/(Li.sub.2O+Na.sub.2O+K.sub.2O)] between the amount of K.sub.2O, and a total amount of Li.sub.2O, Na.sub.2O, and K.sub.2O [Li.sub.2O+Na.sub.2O+K.sub.2O] is 0.5 or more, a mass ratio [(MgO+CaO+ZnO+SrO+BaO)/(Li.sub.2O+Na.sub.2O+K.sub.2O)] between a total amount of MgO, CaO, ZnO, SrO, and BaO [MgO+CaO+ZnO+SrO+BaO], and the total amount of Li.sub.2O, Na.sub.2O, and K.sub.2O [Li.sub.2O+Na.sub.2O+K.sub.2O] is 0.30 to 10.0, a mass ratio [TiO.sub.2/K.sub.2O] between the amount of TiO.sub.2 and the amount of K.sub.2O is 3.0 or more, and a mass ratio [(Li.sub.2O+Na.sub.2O+MgO+CaO+ZnO+SrO)/(K.sub.2O+BaO)] between a total amount of Li.sub.2O, Na.sub.2O, MgO, CaO, ZnO, and SrO [Li.sub.2O+Na.sub.2O+MgO+CaO+ZnO+SrO], and a total amount of K.sub.2O and BaO [K.sub.2O+BaO] is 0.8 or less.

Provided are nanophosphor-attached inorganic particles that can suppress the degradation of the nanophosphor when sealed in glass, and a wavelength conversion member using the nanophosphor-attached inorganic particles. The nanophosphor-attached inorganic particle 10 include: inorganic particles 1 having an average particle diameter of 1 μm or more; and a nanophosphor 2 attached to surfaces of the inorganic particles 1.

Provided are nanophosphor-attached inorganic particles that can suppress the degradation of the nanophosphor when sealed in glass, and a wavelength conversion member using the nanophosphor-attached inorganic particles. The nanophosphor-attached inorganic particle 10 include: inorganic particles 1 having an average particle diameter of 1 μm or more; and a nanophosphor 2 attached to surfaces of the inorganic particles 1.

As a solid electrolyte used in a lithium ion secondary battery, it has not been possible to obtain a lithium ion conductor precursor glass and a lithium ion conductor in which crystallization progresses at low temperatures and which exhibit high ion conductivity. The present invention can obtain a lithium ion conductor precursor glass and a lithium ion conductor in which crystallization progresses even at low temperatures and which exhibit high ion conductivity by containing 10-35% of a Li.sub.2O component, 20-50% of a P.sub.2O.sub.5 component, greater than 0% to 15% of an Al.sub.2O.sub.3 component, 20-50% of a GeO.sub.2 component and greater than 0% to 15% of a Bi.sub.2O.sub.3 component and/or a TeO.sub.2 component.