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Illuminant pill for metal halide white 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 poor color rendering, poor color rendering index, light and color consistency, etc., to achieve large color rendering index, good light and color consistency, good color rendering

Inactive Publication Date: 2010-06-23
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

[0002] Metal halide white lamps are HPI lamps represented by PhilipS and China. The components of the luminous pills are eutectics of sodium iodide, thallium iodide, and indium iodide. This type of lamp is characterized by high luminous efficiency and long life. The light color emitted is cool blue-white (color temperature 4700-5500K) and can be easily replaced by high-pressure mercury lamps. The disadvantage is that the color rendering is poor, the color rendering index is about 60, and the light color consistency is poor.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0013] A glowing pill of metal halide white light containing sodium iodide, thallium iodide, indium iodide, iridium iodide, americium iodide, sodium iodide, thallium iodide, indium iodide, iridium iodide, iodide The molar ratio of americium is 1:0.2:0.045:0.003:0.001.

Embodiment 2

[0015] A glowing pill of metal halide white light containing sodium iodide, thallium iodide, indium iodide, iridium iodide, americium iodide, sodium iodide, thallium iodide, indium iodide, iridium iodide, iodide The molar ratio of americium is 1:0.4:0.05:0.004:0.002.

Embodiment 3

[0017] A glowing pill of metal halide white light containing sodium iodide, thallium iodide, indium iodide, iridium iodide, americium iodide, sodium iodide, thallium iodide, indium iodide, iridium iodide, iodide The molar ratio of americium is 1:0.6:0.06:0.006:0.003.

[0018] Examples 1, 2, and 3 can be used for metal halide white lamps of different tube types, and their color rendering indexes are 80, 85, and 82 respectively, and their color temperatures are 4716K, 5033K, and 5455K respectively; For pills, the light color consistency between 10 batches is 90%.

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PUM

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Abstract

The invention discloses a luminous pill of a metal halide white lamp, which contains sodium iodide, thallium iodide, indium iodide, iridium iodide and americium iodide. Compared with the prior art, the prepared metal halide white lamp is characterized by good color rendering, the color rendering index being larger than 80, and good photochromic consistency.

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 white lamp with a color temperature of 4700-5500K. Background technique [0002] Metal halide white lamps are HPI lamps represented by PhilipS and China. The components of the luminous pills are eutectics of sodium iodide, thallium iodide, and indium iodide. This type of lamp is characterized by high luminous efficiency and long life. The light color emitted is cool bluish white (color temperature 4700-5500K) and can be easily replaced with a high-pressure mercury lamp. The disadvantage is that the color rendering is poor, the color rendering index is about 60, and the light color consistency is poor. Contents of the invention [0003] The technical problem to be solved by the present invention is to provide a luminous pill of metal halide white lamp with high color rendering index and good light color consistency. [0004] The...

Claims

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Application Information

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Patent Type & Authority Patents(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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