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62:—to a higher energetic state and after the excitation source is removed, fall back to their normal energetic state by releasing the energy loss as visible light over a period of time. Although fading over time, appropriately thick applicated larger markings remain visible for dark adapted human eyes for the whole night. This Ultraviolet light exposure induced activation and subsequent light emission process can be repeated again and again.
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54:, operate like a rechargeable light battery. After sufficient activation by sunlight, fluorescent, LED, UV (blacklight), incandescent and other light sources, they glow in the dark for hours. Electrons within the pigment are being "excited" by
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is based on LumiNova branded pigments, invented in 1993 by the Nemoto & Co., Ltd. staff members
Yoshihiko Murayama, Nobuyoshi Takeuchi, Yasumitsu Aoki and Takashi Matsuzawa as a safe replacement for
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39:. The invention was patented in 1994 by Nemoto & Co., Ltd. and licensed to other manufacturers and watch brands that use different (brand) names.
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pigment glows brighter for longer than the previous generation of luminescent pigment paints, and is environmentally friendly (non
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light exposure—the excitation wavelengths for strontium aluminate range from 200 to 450 nm
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United States Patent 5,424,006 'Phosphorescent phosphor'
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104:"NEMOTO & CO., LTD. | Products & Services"
161:"FAQs - Lumi Brite | SEIKO WATCH CORPORATION"
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23:Lumibrite applied on a diving watch dial
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251:. You can help Knowledge (XXG) by
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204:. Trade Media Limited. 1995.
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217:All About Seiko LumiBrites
60:electromagnetic radiation
201:Asian Sources Timepieces
186:"Index of /Article/Lume"
50:pigments, often called
247:-related article is a
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16:Type of luminous paint
220:. Keeper of the Time.
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298:Brand name materials
44:strontium aluminate
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163:. Archived from
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167:on 2016-03-04
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169:. Retrieved
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112:. Retrieved
108:the original
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71:radioactive
67:luminescent
56:ultraviolet
292:Categories
171:2015-11-09
132:|url=
114:2008-11-26
90:References
28:Lumibrite
245:industry
123:cite web
77:See also
134:value (
46:–based
35:-based
130:Check
42:These
33:radium
243:This
249:stub
136:help
52:lume
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