75 results about "Solar transmittance" patented technology

The invention discloses a novel thermochromic intelligent window with adjustable emissivity. The novel thermochromic intelligent window with adjustable emissivity comprises a window frame, wherein a glass assembly is arranged in the window frame, and comprises a glass substrate; a metallic oxide coating for adjusting the glass substrate to have a low radiation function at an intermediate infraredarea is deposited on one side of the glass substrate, and is a layer of transparent indium tin oxide film; a solar energy adjustment high-radiation part is arranged on the other side of the glass substrate, and comprises a first polyethylene layer; and a hydroxy propyl cellulose hydrogel layer is arranged on the upper part of the first polyethylene layer, is further provided with a second polyethylene layer, and is wrapped in the middle by the first polyethylene layer and the second polyethylene layer. According to the novel thermochromic intelligent window with adjustable emissivity providedby the invention, different-waveband heat radiation and solar transmissivity can be dynamically adjusted according to the season and weather changes, so that the indoor temperature is reduced, the energy consumption is saved, and the cooling load of a building in summer and the heat loss in winter are reduced.

A laminated glass includes a pair of glass plates; and an interlayer located between the glass plates. At least one of the glass plates has a cross section with a wedged shape, and an entire amount of iron in terms of Fe2O3 in the glass plate having the cross section with the wedged shape is 0.75 mass % or less. The interlayer includes a heat shielding agent, and has a cross section with a wedge angle of 0.2 mrad or less. A total solar transmittance, defined by ISO 13837A, of the laminated glass is 60% or less.

To provide a heat-absorbing glass plate which satisfies both low solar transmittance and high visible light transmittance, presents a green color as transmitted light and contains a small number of coloring components. The heat-absorbing glass plate of the present invention has a solar transmittance of at most 42% calculated as 4 mm thickness, has a visible light transmittance (by illuminant A, 2° visual field) of at least 70% calculated as 4 mm thickness, and provides a transmitted light having a dominant wavelength of from 492 to 520 nm, and it is made of soda lime silica glass having substantially the following composition, as represented by mass % based on oxides. SiO2: 65 to 75%, Al2O3: more than 3% and at most 6%, MgO: at least 0% and less than 2%, CaO: 7 to 10%, total iron as calculated as Fe2O3: 0.45 to 0.65%, and TiO2: 0.2 to 0.8%, and contains substantially no member selected from the group consisting of CoO, Cr2O3, V2O5 and MnO, wherein the proportion of the mass of divalent FeO in the mass of total iron which is the amount of total iron as calculated as Fe2O3, is more than 42% and at most 60%.