Electrode arrangement, gas discharge lamp, protective film and method for providing a protective film
An electrode device and protective film technology, which is applied in the manufacture of gas discharge lamp parts, gas discharge lamps, and discharge tubes/lamps, etc., can solve problems such as damage to the stability of the conductive electrode device, damage to the first welding, etc. The effect of saving materials and small material costs
Active Publication Date: 2020-09-01
OSRAM GMBH
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- Description
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- Application Information
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Problems solved by technology
However, this second weld can damage the underlying first weld by the likewise welded opposite film strip of the protective film.
This can compromise the conductivity as well as the stability of the electrode assembly
Method used
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[0037] figure 1 A schematic diagram of a gas discharge lamp 10 with two electrode arrangements 12 according to an exemplary embodiment of the invention is shown. In this case, the electrode arrangements 12 are arranged coaxially with one another, ie their respective longitudinal axes A coincide. The gas discharge lamp 10 is designed in this example as an AC discharge lamp, but can also be designed in the same way as a DC discharge lamp. In particular, in this example the OSRAM model is lights for example. In this case, the two electrode arrangements 12 each comprise an electrode 14 , which is arranged in a glass bulb 16 of the gas discharge lamp 10 , in particular enclosed in a gas-tight manner in this glass bulb 16 , in particular made of quartz glass. The interior 18 of the glass bulb 16 can then be filled with a corresponding gas depending on the embodiment of the gas discharge lamp 10 , for example with gases including mercury, noble gases, halogens or the like as well...
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The invention relates to an electrode arrangement (12) for a discharge lamp (10), a gas discharge lamp, a protective film and a method for providing the protective film. The electrode arrangement includes a conductive electrode unit (20) including an electrode (14) and an electrode plate (22), wherein the electrode is arranged on the electrode plate, and a conductive connection unit (24) for coupling to an energy source. The connection unit includes a connection unit plate (26). The arrangement includes a cylinder (28) arranged between the electrode plate and the connection unit plate, and atleast one conduction film (30) which is arranged on an outer side (28a) of the cylinder and extends from the connection unit plate as far as the electrode plate and connects the connection unit plateand the electrode plate to one another in a conductive manner. The arrangement includes a cap-shaped and integrally embodied protective film (23) arranged on the electrode plate or connection unit plate, such that the film covers a plate side (22a,26a) facing away from the cylinder and an outer lateral surface (22b,26b) of the electrode plate or of the connection unit plate.
Description
technical field [0001] The invention relates to an electrode arrangement for a discharge lamp, the electrode arrangement having an electrically conductive electrode unit, the electrode unit having an electrode and an electrode disk, on which the electrode is arranged. The electrode arrangement also has an electrically conductive connection unit for coupling to an energy source, wherein the connection unit has a connection unit pad. In addition, the electrode device includes: a cylinder made of a non-conductive material, the cylinder being arranged between the electrode pad and the connection unit disk; and at least one electrically conductive conductive film, the conductive film being arranged on at least a part of the outer surface of the cylinder , and the conductive film extends from the connection unit pad to the electrode pad and electrically connects the connection unit pad and the electrode pad to each other. The invention also comprises a gas discharge lamp with such ...
Claims
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IPC IPC(8): H01J61/06H01J61/36
CPCH01J61/06H01J61/36H01J9/28H01J61/0735H01J61/366H01J61/822H01J61/86H01J61/827H01J9/323
Inventor 克努特·格罗特曼尼
Owner OSRAM GMBH