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discharge lamp

A technology for discharge lamps and lamp tubes, which is applied to components of gas discharge lamps, damage prevention measures for lighting devices, lighting devices, etc., and can solve the problem of high luminous efficiency, low radiation and heat dissipation rate of compact fluorescent lamps with covers, and the inability to obtain fluorescent lamps. and other issues, to achieve good energy-saving effect, simple production process, cost-effective effect

Inactive Publication Date: 2011-11-30
OSRAM GMBH
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This method does improve efficiency, but due to the low rate of radiation heat dissipation, the temperature of the cold end of the tube is still high, so fluorescent lamps may not be able to achieve high luminous efficiency
[0009] So far, no excellent material has been found to maintain high luminous efficiency and shorten the rise time of the shaded compact fluorescent lamp

Method used

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Embodiment Construction

[0027] Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings. Note that, in this specification and the drawings, constituent elements having substantially the same or similar functions and configurations are denoted by like reference numerals and repeated explanations of these constituent elements are omitted.

[0028] Theoretically, if the temperature of the cold end is lowered, for example, kept at 60°C or lower, the above problems can be solved by using medium-temperature amalgam or low-temperature amalgam. The technical features of the present invention will be described below through specific embodiments.

[0029] figure 2 is a perspective view showing a discharge lamp according to one embodiment of the present invention. Figure 3A and Figure 3B are shown respectively figure 2 Tube and cover of the discharge lamp shown in .

[0030] figure 2 shows a discharge lamp constructed as a com...

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Abstract

The invention provides a discharge lamp, in particular a capped discharge lamp, comprising a lamp tube, a cap and a housing, both the lamp tube and the cap being attached to the housing such that the lamp tube is The cap encloses, wherein the cap has an aperture for receiving the end of the cold end of the lamp tube. According to the present invention, the rising time of luminous flux is shortened by using amalgam other than high-temperature amalgam, and at the same time, since the temperature of the cold end is lowered, higher luminous efficiency can also be achieved and a good energy-saving effect can be achieved.

Description

technical field [0001] The invention relates to a lighting device, in particular to a discharge lamp with a cover. Background technique [0002] Gas discharge lamps have been widely used for a long time, especially in the form of compact fluorescent lamps. In the related art, it is known that a compact fluorescent lamp (CFLi) with an integrated ballast can be used as a retrofit to an incandescent lamp. The advantages of CFLi include long lifetime and high luminous efficiency. Specifically, the lifetime of CFLi is 8,000 hours or more, while the lifetime of an incandescent lamp is 1,500 hours; and the luminous efficiency of CFLi is 60 lumens per watt or higher, while the efficiency of an incandescent lamp is 12 to 15 lumens per watt, so , CFLi shows great energy-saving potential. Statistics show that lighting consumes 20% of the total electric energy consumption in the world, and in response to the requirement of reducing energy consumption, the application of CFLi is becom...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F21V15/02F21V17/10H01J61/28
Inventor 何仕杰蒋克巧林祥培
Owner OSRAM GMBH