Projector-use luminescent wheel and manufacturing method therefor, and projector-use light emitting device
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United States of America Patent
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Jul 2, 2019
Grant Date -
Dec 29, 2016
app pub date -
Dec 16, 2014
filing date -
Dec 27, 2013
priority date (Note) -
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status (Latency Note)
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Abstract
Provided is a luminescent wheel for a projector, which has a novel structure in which a phosphor layer is hard to break even if its thickness is reduced; a manufacturing method therefor; and a light emitting device for a projector. A luminescent wheel for a projector includes: a phosphor layer (11) which has a first principal surface (11a) and a second principal surface (11b) located on an opposite side to the first principal surface (11a) and is capable of being excited by the entry of excitation light to emit fluorescence; a first glass layer (12) provided on the first principal surface (11a) of the phosphor layer (11); and a second glass layer (13) provided on the second principal surface (11b) of the phosphor layer (11).
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