Abstract:
A non-hermetically sealed LED system containing an active composition having an amount between 0.06 and 2.5 mg per cm2 of the system optical window area is described. The active composition contains an active material in powder form, wherein at least 75 wt % of the active material is chosen from one or more of active carbons, silver, copper, zinc, copper oxide, zinc oxide, calcium oxide, and silver oxide.
Abstract:
A composite transparent lighting device is described. The device has a transparent substrate, an uniform distribution of low concentration dielectric particles, reflective perimeter and perimetral discrete light sources, of improved appearance both in the inoperative state of the device, and at the same time capable of providing good quality lighting when the device is active, i.e. when the discrete light sources on the perimeter of the device are turned on.
Abstract:
An improved mercury-dispensing combination of materials is made up of a compound A including mercury and a second metal selected among titanium, zirconium and mixtures thereof and an alloy or an intermetallic compound B including copper and tin, said mercury-dispensing combination of materials further containing an amount of oxygen comprised between 0.03% and 0.48% with respect to the overall weight of the composition A+B. It is also possible to add a getter material C that includes metals such as titanium, zirconium, tantalum, niobium, vanadium and mixtures thereof or their alloys with other metals such as nickel, iron, aluminum.
Abstract:
Compositions containing a mixture of non-evaporable getter alloys are described. The compositions, after having lost their functionality in consequence of the exposure to reactive gases at a first temperature, can then be reactivated through a thermal treatment at a second temperature that is lower than the first one.
Abstract:
Discharge lamps containing improved starting amalgam are described. A method to increase the mercury vapor pressure during discharge lamp start-up is also described.
Abstract:
An improved mercury dosing composition is described. A method for dispensing mercury with this composition and to discharge lamps containing each composition is also described.
Abstract:
An improved mercury dosing composition is described. A method for dispensing mercury with this composition and to discharge lamps containing each composition is also described.
Abstract:
LED system comprising a sealed internal volume containing one or more elements sensitive to the presence of Volatile Organic Compounds (VOCs), wherein in said internal volume is present a getter composition for VOCs removal comprising a combination of at least two different types of zeolite.
Abstract:
Method for the irreversible dosage of hydrogen in LED light bulbs by means of heating an irreversible hydrogen dispenser containing at least an active material for hydrogen release.
Abstract:
Compositions containing a mixture of non-evaporable getter alloys are described. The compositions, after having lost their functionality in consequence of the exposure to reactive gases at a first temperature, can then be reactivated through a thermal treatment at a second temperature that is lower than the first one.