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High-pressure discharge lamp

A high-pressure discharge lamp and electrode technology, which is applied to discharge lamps, gas discharge lamps, and parts of gas discharge lamps, etc., can solve the problems of inability to replace lamps and cannot be used, and achieve the effects of easy ignition, improved efficiency, and a simple method.

Inactive Publication Date: 2003-11-12
KONINKLIJKE PHILIPS ELECTRONICS NV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The use of special lamp caps has the obvious disadvantage that the lamps used cannot be freely replaced with existing lamps and said lamps cannot be used in existing lamp sockets

Method used

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  • High-pressure discharge lamp

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Embodiment Construction

[0033] figure 1 denotes a high-pressure discharge lamp comprising a light-transmissive lamp vessel 1 which is sealed in a gas-tight manner and which houses therein a first electrode 2 and a second electrode 3 arranged opposite each other and which contains an ionizable filling therein , such as noble gases and sodium amalgam. The lamp housing is also provided with connection points 20,30. A light-transmitting housing 4 equipped with a lamp cap 10 surrounds the lamp chamber 1 . A first external contact 5 and a second external contact 6 are located on the lamp base 10 for connecting the lamp to a power supply. The lamp has a first current conductor 7 and a second current conductor 8 which connect the first electrode 2 and the second electrode 3 to the first contact 5 and the second contact 6 respectively. The outer ignition electrode 9 is located between the first electrode 2 and the second electrode 3 in the vicinity of the lamp chamber 1 inside the housing 4 . A voltage pu...

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Abstract

A high-pressure discharge lamp provided with an outer bulb enclosing a discharge tube accommodates transformer means. A primary winding of the transformer forms part of a current conductor to one of the main electrodes of the discharge tube. The secondary winding is coupled to an ignition electrode of the discharge tube. Higher ignition voltages can be achieved without increasing the voltage pulse on the outside contacts of the lamp.

Description

technical field [0001] The invention relates to a high-pressure discharge lamp comprising: [0002] Light-transmitting lamp housings that are hermetically sealed and equipped with connection points; [0003] a first electrode and a second electrode disposed opposite each other and respectively connected to respective connection points, and an ionizable filling in the lamp chamber; [0004] A light-transmitting housing surrounding the lamp housing and equipped with a lamp cap; [0005] first and second external contacts on the lamp cap and for connecting the lamp to the power supply unit; [0006] connecting the first and second electrodes to first and second current conductors on the first and second contacts, respectively, via respective connection points; [0007] an ignition electrode between the first and second electrodes; [0008] A voltage pulse generator in the housing for generating voltage pulses at the ignition electrodes, which generator is connected to the ign...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H05B41/18H01J61/54H01J61/56H05B41/14H05B41/22
CPCH05B41/22H01J61/547
Inventor E·E·佩特尔斯S·A·韦勒
Owner KONINKLIJKE PHILIPS ELECTRONICS NV