Title:
REDUCED WATTAGE GAS DISCHARGE LAMP
Document Type and Number:
WIPO Patent Application WO/2012/134649
Kind Code:
A3
Abstract:
A reduced wattage gas discharge lamp and method of making same. The gas discharge lamp includes a light transmissive envelope with an inner surface, having a light scattering reflective layer disposed thereon. A phosphor layer is coated on an inner surface of the light scattering reflective layer. A discharge-sustaining gaseous mixture is retained inside the light-transmissive envelope. The discharge-sustaining gaseous mixture includes at least 88% argon, by volume, at a low pressure. An electrode is located within the light-transmissive envelope. The electrode is capable of providing an electric discharge to trigger a reaction within the light-transmissive envelope to cause the lamp to emit light. The remainder of the discharge-sustaining gaseous mixture is substantially neon, at a low pressure. The low pressure is about 3.6 Torr.
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Inventors:
JONES BRIAN D (US)
BOYCE CRAIG (US)
BOYCE CRAIG (US)
Application Number:
PCT/US2012/025164
Publication Date:
January 31, 2013
Filing Date:
February 15, 2012
Export Citation:
Assignee:
OSRAM SYLVANIA INC (US)
JONES BRIAN D (US)
BOYCE CRAIG (US)
JONES BRIAN D (US)
BOYCE CRAIG (US)
International Classes:
H01J61/16; H01J61/30; H01J61/35; H01J61/42; H01J61/82
Foreign References:
| JP2000223075A | 2000-08-11 | |||
| US20070170863A1 | 2007-07-26 | |||
| US20080278073A1 | 2008-11-13 | |||
| US5604396A | 1997-02-18 |
Attorney, Agent or Firm:
MONTANA, Shaun P. (Danvers, Massachusetts, US)
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