Light scattering coatings
A glass surface, for example of a glass article such as a glass, electric light bulb is provided with a surface coating for endowing the surface with light scattering properties by (i) applying a precursor (e.g. a silica precursor) for a coating material, then (ii) treating the precursor to form an...
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| creator | PRENTICE, THOMAS CAMPBELL CAIRNS, JAMES ANTHONY KEOWN, SAMUEL ROBERT |
| description | A glass surface, for example of a glass article such as a glass, electric light bulb is provided with a surface coating for endowing the surface with light scattering properties by (i) applying a precursor (e.g. a silica precursor) for a coating material, then (ii) treating the precursor to form an adherent coating. In step (i), the precursor also contains a second material convertible under the conditions of step (ii) to give a light scattering phase in the coating. The second material may be a salt (e.g. NaHCO3 or CH3COONH4) decomposable in step (ii) to a gaseous product to generate pores as the light scattering phase. Alternatively, the second material may be a salt (e.g. NaCl) that is provided in solution in step (i) and is crystallisable in step (ii) to generate light scattering crystals in the coating. |
| format | Patent |
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In step (i), the precursor also contains a second material convertible under the conditions of step (ii) to give a light scattering phase in the coating. The second material may be a salt (e.g. NaHCO3 or CH3COONH4) decomposable in step (ii) to a gaseous product to generate pores as the light scattering phase. 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In step (i), the precursor also contains a second material convertible under the conditions of step (ii) to give a light scattering phase in the coating. The second material may be a salt (e.g. NaHCO3 or CH3COONH4) decomposable in step (ii) to a gaseous product to generate pores as the light scattering phase. 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In step (i), the precursor also contains a second material convertible under the conditions of step (ii) to give a light scattering phase in the coating. The second material may be a salt (e.g. NaHCO3 or CH3COONH4) decomposable in step (ii) to a gaseous product to generate pores as the light scattering phase. Alternatively, the second material may be a salt (e.g. NaCl) that is provided in solution in step (i) and is crystallisable in step (ii) to generate light scattering crystals in the coating.</abstract><edition>4</edition><oa>free_for_read</oa></addata></record> |
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| language | eng ; fre ; ger |
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| subjects | BASIC ELECTRIC ELEMENTS CHEMICAL COMPOSITION OF GLASSES, GLAZES, OR VITREOUSENAMELS CHEMISTRY ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS ELECTRIC INCANDESCENT LAMPS ELECTRICITY GLASS JOINING GLASS TO GLASS OR OTHER MATERIALS METALLURGY MINERAL OR SLAG WOOL SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS,MINERALS OR SLAGS SURFACE TREATMENT OF GLASS |
| title | Light scattering coatings |
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