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Microwave sulfur lamp with rised color rendering performance

A performance and microwave technology, applied in the direction of discharge lamps, electrical components, circuits, etc., can solve the problems of lack of red light and insufficient color rendering of microwave sulfur lamps, and achieve the effect of improving color rendering

Inactive Publication Date: 2007-02-21
LG ELECTRONICS (TIANJIN) APPLIANCES CO LTD
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Because the original microwave sulfur lamp lacks the spectral line of the red part, so that the color rendering of the microwave sulfur lamp is not perfect, the quartz glass bulb 2 of this microwave sulfur lamp is filled with Penning gas 9 and sulfur 7

Method used

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  • Microwave sulfur lamp with rised color rendering performance
  • Microwave sulfur lamp with rised color rendering performance
  • Microwave sulfur lamp with rised color rendering performance

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Embodiment Construction

[0021] The microwave sulfur lamp with improved color rendering performance of the present invention will be described with reference to the accompanying drawings and examples.

[0022] The structure of the system of the microwave sulfur lamp that improves the color rendering performance of the present invention is as follows Figure 4 As shown, the improvement of the luminescent substance inside the quartz bulb of the microwave sulfur lamp, that is, the original quartz bulb is only filled with inert gas argon and sulfur to achieve the effect of luminescence. After the improvement, a small amount of Metal halide, adding indium bromide to increase the spectral line of the red part to improve color rendering, but basically does not change the original spectrum.

[0023] The working principle of the microwave sulfur lamp with improved color rendering performance of the present invention is as follows: Metal halides, such as calcium bromide or indium bromide, have richer red spectr...

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Abstract

Panning gas and sulfur are filled inside shell of quartz bulb of microwave sulfur lamp. In addition, 1-8mg metal halide including calcium bromide or indium bromide is also filled to shell of quartz bulb. Comparing with former lamp, which contains sulfur only, the disclosed bulb increases spectral line of red light part so as to raise color-rendering property. The added metal halide does not generate influence on spectral lines emitted from former sulfur lamp. Moreover, the invention also lowers difficulties for exciting plasma.

Description

technical field [0001] The invention relates to a microwave sulfur lamp with improved color rendering performance. Background technique [0002] Such as figure 1 As shown, the magnetron 5 generates 2450 GHz microwaves under the drive of DC high voltage, which are transmitted to the resonant cavity 1 through the waveguide 6, and the 2450 GHZ microwaves perform energy coupling in the resonant cavity 1 and excite the Pan Rather than the gas 9, since the direct excitation of sulfur requires a lot of energy, the energy coupled by the microwave in the resonant cavity 1 cannot be achieved. A start-up gas and the Penning gas 9 in the quartz glass bulb are needed, and the Penning gas in the quartz glass bulb 2 is excited to provide suitable conditions for generating sulfur 7 plasma, and the sulfur 7 in the quartz glass bulb is excited to generate sulfur The plasma in turn radiates energy to produce visible light. During the whole work, the temperature of the edge of the quartz gla...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01J65/00
Inventor 李元鹤许雪梅
Owner LG ELECTRONICS (TIANJIN) APPLIANCES CO LTD
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