A wired and detachable, moveable, dis-assemble, re-assemble USB or Wireless charging-unit(s) which has minimum feet DC power delivery wire that is manual to coil, wrap within unit's own space for wire-arrangement, said each wired and detachable unit(s) cover broad area and people can chare external product(s) at any location within said area; wherein said unit(s) assembly with electric product which is at least one (1) desk, floor, wall-mounted item, light, (2) power strip, (3) selfie LED light has built-in or added-on image capture device(s).

The present invention pertains to a glass for strengthening, that: has an average transmittance of at least 70% when converted to a thickness of 0.8 mm at a wavelength of 380-780 nm; has a haze value of no more than 0.7% when converted to a thickness of 0.8 mm in a C light source; has a Young's modulus of at least 85 GPa; has a fracture toughness value of at least 0.90 MPa.Math.m.sup.1/2; a thermal conductivity at 20° C. of at least 1.3 W/m.Math.K; and comprises a lithium aluminosilicate crystallized glass.

The present invention relates to a transparent lithium aluminosilicate (LAS) glass-ceramic containing a β-quartz solid solution as the main crystalline phase, the composition of which, expressed in percentages by mass of oxides, contains 60 to 67.5% SiO.sub.2, 18 to 22% Al.sub.2O.sub.3, 2.5 to 3.3% Li.sub.2O, 0 to 1.5% MgO, 1 to 3.5% ZnO, 0 to 4% BaO, 0 to 4% SrO, 0 to 2% CaO, 3.1 to 5% TiO.sub.2, 0.4 to 1.3% ZrO.sub.2, 0 to 1% Na.sub.2O, 0 to 1% K.sub.2O, 0 to 5% P.sub.2O.sub.5, 0.02 to 0.1% CoO, 0.05 to 0.25% Fe.sub.2O.sub.3, with (0.74 MgO + 0.19 BaO + 0.29 SrO + 0.53 CaO + 0.48 Na.sub.2O + 0.32 K.sub.2O) / Li.sub.2O < 0.8, and optionally up to 2% of at least one refining agent, the composition being free of V.sub.2O.sub.5 with the exception of unavoidable traces. It also relates to an article, consisting at least in part of a glass-ceramic, chosen in particular from a cooking plate and a glazing. It also relates to a lithium aluminosilicate glass, precursor of the glass-ceramic, and the process for producing the article.

A glass-based article may include from about 45 mol. % to about 80 mol. % SiO.sub.2; from about 0 mol. % to about 10 mol. % Na.sub.2O; less than about 5 mol. % K.sub.2O; a non-zero amount of Al.sub.2O; and. an amorphous phase and a crystalline phase. The article may further in include a stress profile comprising a surface compressive stress (CS) and a maximum central tension (CT). A ratio of Li.sub.2O (mol. %) to R.sub.2O (mol. %) in the article is from about 0.5 to about 1, where R.sub.2O is the sum of Li.sub.2O, Na.sub.2O, and K.sub.2O in the article. CT may be greater than or equal to about 50 MPa and less than about 100 MPa. CS may be greater than 2.0.Math.CT. A depth of compression (DOC) of the stress profile may be greater than or equal to 0.14.Math.t and less than or equal to 0.25.Math.t, where t is the thickness of the article.

Photosensitive lithium zinc aluminosilicate glasses that can be selectively irradiated and cerammed to provide patterned regions of glass and lithium-based glass ceramic, and composite glass articles made from such glasses and glass ceramics are provided. The lithium zinc aluminosilicate glass can be negatively photosensitive or positively photosensitive to radiation having a wavelength in a range from about 248 nm to about 360 nm.

A bioactive glass-ceramic composition as defined herein. Also disclosed are methods of making and using the disclosed compositions.

To provide an inorganic composition article containing at least one kind selected from α-cristobalite and α-cristobalite solid solution as a main crystal phase, in which by mass % in terms of oxide, a content of a SiO.sub.2 component is 50.0% to 75.0%, a content of a Li.sub.2O component is 3.0% to 10.0%, a content of an Al.sub.2O.sub.3 component is 5.0% or more and less than 15.0%, and a total content of the Al.sub.2O.sub.3 component and a ZrO.sub.2 component is 10.0% or more, and a surface compressive stress value is 600 MPa or more.

The present invention discloses a microcrystalline glass, a microcrystalline glass product, and a manufacturing method therefor. The main crystal phase of the microcrystalline glass comprises lithium silicate and a quartz crystal phase. The haze of the microcrystalline glass of the thickness of 0.55 mm is below 0.6%. The microcrystalline glass comprises the following components in percentage by weight: SiO.sub.2: 65-85%; Al.sub.2O.sub.3: 1-15%; Li.sub.2O: 5-15%; ZrO.sub.2: 0.1-10%; P.sub.2O.sub.5: 0.1-10%; K.sub.2O: 0-10%; MgO: 0-10%; ZnO: 0-10%. A four-point bending strength of the microcrystalline glass product is more than 600 Mpa.

A glass-ceramic article comprises: a center-volume composition comprising (on an oxide basis): 55-75 mol % SiO.sub.2; 0.2-10 mol % Al.sub.2O.sub.3; 0-5 mol % B.sub.2O.sub.3; 15-30 mol % Li.sub.2O; 0-2 mol % Na.sub.2O; 0-2 mol % K.sub.2O; 0-5 mol % MgO; 0-2 mol % ZnO; 0.2-3.0 mol % P.sub.2O.sub.5; 0.1-10 mol % ZrO.sub.2; 0-4 mol % TiO.sub.2; and 0-1.0 mol % SnO.sub.2. Lithium disilicate and either β-spodumene or β-quartz are the two predominant crystalline phases (by weight) of the glass-ceramic article. The glass-ceramic article further comprises tetragonal ZrO.sub.2 as a crystalline phase. The composition of the glass-ceramic article from a primary surface into a thickness of the glass-ceramic article can comprise over 10 mol % Na.sub.2O (on an oxide basis), with the mole percentage of Na.sub.2O decreasing from the primary surface towards the center-volume. The glass-ceramic article exhibits a ring-on-ring load-to-failure of at least 120 kgf, when the thickness of the glass-ceramic article is 0.3 mm to 2.0 mm.

Embodiments of a glass-based article including a first surface and a second surface opposing the first surface defining a thickness (t) of about 3 millimeters or less (e.g., about 1 millimeter or less), and a stress profile, wherein all points of the stress profile between a thickness range from about 0.Math.t up to 0.3.Math.t and from greater than about 0.7.Math.t up to t, comprise a tangent with a slope having an absolute value greater than about 0.1 MPa/micrometer, are disclosed. In some embodiments, the glass-based article includes a non-zero metal oxide concentration that varies along at least a portion of the thickness (e.g., 0.Math.t to about 0.3.Math.t) and a maximum central tension in the range from about 80 MPa to about 100 MPa. In some embodiments, the concentration of metal oxide or alkali metal oxide decreases from the first surface to a value at a point between the first surface and the second surface and increases from the value to the second surface. The concentration of the metal oxide may be about 0.05 mol % or greater or about 0.5 mol % or greater throughout the thickness. Methods for forming such glass-based articles are also disclosed.