(19)
(11) EP 2 175 474 A3

(12) EUROPEAN PATENT APPLICATION

(88) Date of publication A3:
08.02.2012 Bulletin 2012/06

(43) Date of publication A2:
14.04.2010 Bulletin 2010/15

(21) Application number: 09006611.9

(22) Date of filing: 15.05.2009
(51) International Patent Classification (IPC): 
H01J 61/30(2006.01)
H01J 9/26(2006.01)
 H01J 65/04(2006.01)
H01J 9/395(2006.01)
(84) Designated Contracting States:
AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO SE SI SK TR
Designated Extension States:
AL BA RS

(30) Priority: 09.10.2008 EP 08166290

(71) Applicant: uv-technik Speziallampen GmbH
98704 Wümbach (DE)

(72) Inventor:
  • Meyer, Karl-Heinz
    98704 Wümbach (DE)

(74) Representative: Kunz, Herbert et al
Heisse Kursawe Eversheds Rechtsanwälte Partnerschaft Maximiliansplatz 5
80333 München
80333 München (DE)

   


(54) Plasma light bulb and method for making a plasma light bulb


(57) A plasma light bulb, comprising a hollow sphere (1) of a translucent material, a substance (3) within the hollow sphere, wherein the substance can be excited electromagnetically so as to form a plasma, which radiates visible light, and a stem (5) protruding from the hollow sphere, wherein the hollow sphere is tip- or tail-less, and the stem is bonded to the hollow sphere.







Search report