Koninklijke Philips Corporation N.V.

Bjb Gmbh & Co. Kg

Johannes Antonius Theresia Schellen

Achim Gerhard Rolf Koerber

Marco Haverlag

Karl-Wilhelm Vogt

Volker Dirk Hildenbrand

Erwin Lingemann

Cornelis Sander Pot

Nicholas Gerardus Antonius Peeters

Antonius Cornelis Van Amstel

The invention relates to an assembly of a capped high-pressure discharge lamp () and a lamp holder (). The discharge lamp comprises an outer envelope () in which a discharge vessel () is arranged. The outer envelope has a pinched portion () provided with a clamping member (). A lamp cap comprises a substantially circular-cylindrical cup shaped portion for receiving the clamping member and is provided with a protruding collar (). The lamp holder () comprises a substantially circular-cylindrical flange () for receiving the cup-shaped portion such that the flange engages the protruding collar. An inner diameter of the flange () has a tolerance of less than or equal to &#x2212;0.2 mm. An outer diameter of the cup-shaped portion () has a tolerance of less than or equal to +0.2 mm. The respective tolerances extend over a length of at least 2.5 mm, measured with respect to the protruding collar.

Assembly of a capped high-pressure discharge lamp and a lamp holder

The invention relates to a high pressure discharge lamp intended for use in assimilation lighting. According to the invention the high-pressure discharge lamp has a discharge vessel, which besides a buffer gas, comprises substantially LiI as metal halide or a mixture of LiI and NaI.

High pressure discharge lamp having emission matching an absorption spectrum of green plant

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Turnhout, Belgium

Johannes Antonius Theresia Schellen