Phosphor, method for manufacturing same, light emitting device, and image display device
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United States of America Patent
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Oct 4, 2016
Grant Date -
Mar 12, 2015
app pub date -
May 30, 2013
filing date -
May 31, 2012
priority date (Note) -
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status (Latency Note)
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Abstract
A chemically and thermally stable phosphor having unconventional light emitting properties and high light emitting intensity with an LED of 470 nm or less, includes an inorganic compound comprising: a crystal designated by A3(D,E)8X14, a crystal designated by Sr3Si8O4N10 or an inorganic crystal having the identical crystal structure of the Sr3Si8O4N10 crystal, which comprises A element, D element, X element, and optionally E element if necessary (A is one or more kinds selected from Li, Mg, Ca, Sr, and Ba; D is one or more kinds selected from Si, Ge, Sn, Ti, Zr, and Hf; X is one or more kinds selected from O, N, and F; and E is one or more kinds selected from B, Al, Ga, In, Sc, Y, and La.), into which M element is solid-solved (M is one or more kinds selected from Mn, Ce, Pr, Nd, Sm, Eu, Tb, Dy, and Yb.).
First Claim
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International Classification(s)
- C09K:MATERIALS FOR APPLICATIONS NOT OTHERWISE PROVIDED ....
- H01J:ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01L:SEMICONDUCTOR DEVICES; ELECTRIC SOLID STATE DEVICE....
- F21K:LIGHT SOURCES NOT OTHERWISE PROVIDED FOR
- G02F:DEVICES OR ARRANGEMENTS, THE OPTICAL OPERATION OF ....
- C30B:SINGLE-CRYSTAL GROWTH
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