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Illuminant pill for metal halide rare-earth lamp

A technology of metal halides and luminous pills, which is applied to the components of gas discharge lamps, etc., can solve the problems of low luminous efficiency and service life of less than 5000 hours, and achieve good luminous efficiency and improved service life.

Inactive Publication Date: 2009-07-08
芜湖兴华照明电器有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This type of lamp is characterized by good color rendering (Ra>80), very close to sunlight, correlated color temperature>5500K, and cool white light, but its disadvantage is that the luminous efficiency is low, usually lower than 80lm / w, and the service life Also less than 5000 hours

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0013] A luminescent pill of a metal halide rare earth lamp, containing sodium iodide, thallium iodide, indium iodide, dysprosium iodide, cesium iodide, berkelium iodide, iridium iodide, the sodium iodide, thallium iodide , indium iodide, dysprosium iodide, cesium iodide, iridium iodide, and berkelium iodide in a molar ratio of 1:0.3:0.04:0.002:0.001:0.002:0.001.

Embodiment 2

[0015] A luminescent pill of a metal halide rare earth lamp, containing sodium iodide, thallium iodide, indium iodide, dysprosium iodide, cesium iodide, iridium iodide, berkelium iodide, the sodium iodide, thallium iodide , indium iodide, dysprosium iodide, cesium iodide, iridium iodide, and berkelium iodide in a molar ratio of 1:0.4:0.06:0.004:0.003:0.003:0.002.

Embodiment 3

[0017] A glowing pill of a metal halide rare earth lamp containing sodium iodide, thallium iodide, indium iodide, dysprosium iodide, cesium iodide, berkelium iodide, iridium iodide, sodium iodide, thallium iodide, iodide The molar ratio of indium, dysprosium iodide, cesium iodide, iridium iodide and berkelium iodide is 1:0.8:0.08:0.007:0.005:0.004:0.003.

[0018] Embodiments 1, 2, and 3 can be used for metal halide rare earth lamps of different tube types, and their luminous efficiencies are respectively 108Lm / w, 118Lm / w, and 104Lm / w, the color temperatures are respectively 5819K, 6023K, and 6134K, and the service life is respectively 10000 hours, 11000 hours, 10500 hours.

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PUM

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Abstract

The invention discloses a luminous pill of a metal halide rare-earth lamp, which contains sodium iodide, thallium iodide, indium iodide, dysprosium iodide, caesium iodide, iridium iodide and berkelium iodide. Compared with the prior art, the prepared metal halide rare-earth lamp is characterized by good luminous efficiency being more than 100Lm / w, and long service life lasting for 10000 hours.

Description

technical field [0001] The invention belongs to a luminescent pill for a metal halide lamp, in particular to a luminescent pill for a metal halide rare earth lamp with a color temperature of 5800-6200K. Background technique [0002] Representatives of metal halide rare earth lamps are OSRAM and China. The luminous pills of this type of lamps are composed of dysprosium iodide (holmium, thulium), sodium iodide, thallium iodide (indium), and cesium iodide. melt. This type of lamp is characterized by good color rendering (Ra>80), very close to sunlight, correlated color temperature>5500K, and cool white light, but its disadvantage is that the luminous efficiency is low, usually lower than 80lm / w, and the service life Also less than 5000 hours. Contents of the invention [0003] The technical problem to be solved by the present invention is to provide a luminescent pill for metal halide rare earth lamps with high luminous efficiency and long service life. [0004] The ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01J61/22
Inventor 郑鸣鸣尹新平胡德喜
Owner 芜湖兴华照明电器有限公司
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