Title:
UV-A蛍光体を有する低圧水銀蒸気放電ランプ
Document Type and Number:
Japanese Patent JP2008500422
Kind Code:
A
Abstract:
The invention is concerned with a low-pressure mercury vapor discharge lamp comprising a light-transmitting discharge vessel, said discharge vessel enclosing, in a gastight manner, a discharge space provided with a filling of mercury, at least a part of a wall of the discharge vessel being provided with a luminescent composition comprising a first UV-A phosphor of general formula (Gd1-x-y-zYxLuy)PO4:Cez, wherein 0<=x<1.0, 0<=y<1.0, 0
Inventors:
Eustel, Thomas
Meyer, Walther
Bechtel, Helmut
Schmidt, Peter
Meyer, Walther
Bechtel, Helmut
Schmidt, Peter
Application Number:
JP2007514235A
Publication Date:
January 10, 2008
Filing Date:
May 17, 2005
Export Citation:
Assignee:
Koninklijke Philips Electronics N.V.
International Classes:
C09K11/81; C09K11/08; C09K11/63; C09K11/64; C09K11/77; C09K11/80; H01J61/44
Attorney, Agent or Firm:
Tadahiko Ito
Shinsuke Onuki
Tadashige Ito
Koichi Matsumoto
Shinsuke Onuki
Tadashige Ito
Koichi Matsumoto