品質工学
Online ISSN : 2189-9320
Print ISSN : 2189-633X
ISSN-L : 2189-633X
開発と研究
省エネ発光体の評価方法の研究(第2報)
-発光機能の改善と蓄光機能の検討-
市川 伸彦山本 桂一郎早川 幸弘塚田 章高田 賢治府和 直子
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2011 年 19 巻 3 号 p. 51-60

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Molded parts containing photoluminescent materials are expected to find numerous uses because they have high installation flexibility and long service life. However, as photoluminescent materials are very expellsive, it is necessary to develop molded parts that can maintain light emission for extended times with as small an amount of photoluminescent material as possible. An improved set of molding conditions was obtained from an earlier optimization experiment with control factors allocated oll an orthogonal L18 array. As the reproducibility of the gain was low, however, it was necessary to reexamine the functional definition and evaluation method. The experimental plan was therefore reconsidered with the aim of finding still better conditions. In the previous experiment the light emission function was evaluated. This time, the light storage function was also evaluated. As a result of the new experiment on the light emission function, reproducibility of the gain was obtained and better molding conditions were found. However, reproducibility was not obtained in the experiment on the light storage function, so it will be necessary to reexamine the evaluation method.

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© 2011 一般社団法人 品質工学会
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