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Illuminant pill for metal halide rare-earth lamp

A technology of metal halides and luminescent 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 increase luminous efficiency.

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

[0012] Luminescent pills of metal halide rare earth lamps containing sodium iodide, thallium iodide, indium iodide, dysprosium iodide, cesium iodide, iridium iodide, said sodium iodide, thallium iodide, indium iodide, iodide The molar ratio of dysprosium, cesium iodide and iridium iodide is 1:0.3:0.04:0.002:0.001:0.002.

Embodiment 2

[0014] Luminescent pills of metal halide rare earth lamps containing sodium iodide, thallium iodide, indium iodide, dysprosium iodide, cesium iodide, iridium iodide, said sodium iodide, thallium iodide, indium iodide, iodide The molar ratio of dysprosium, cesium iodide and iridium iodide is 1:0.4:0.06:0.004:0.003:0.003.

Embodiment 3

[0016] Luminescent pills of metal halide rare earth lamps containing sodium iodide, thallium iodide, indium iodide, dysprosium iodide, cesium iodide, iridium iodide, sodium iodide, thallium iodide, indium iodide, dysprosium iodide, The molar ratio of cesium iodide to iridium iodide is 1:0.8:0.08:0.007:0.005:0.004.

[0017] Embodiments 1, 2, and 3 can be used for metal halide rare earth lamps of different tube types, and their luminous efficiencies are 108Lm / w, 118Lm / w, and 104Lm / w, respectively, and the color temperatures are 5819K, 6023K, and 6134K, respectively.

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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 and iridium iodidee. Compared with the prior art, the prepared metal halide rare-earth lamp is characterized by good luminous efficiency being more than 100Lm / w.

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 of a metal halide rare earth lamp with high luminous efficiency. [0004] The technical scheme for s...

Claims

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Application Information

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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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