Wavelength conversion member and light-emitting device employing same
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Jul 18, 2017
Grant Date -
Sep 3, 2015
app pub date -
Oct 17, 2013
filing date -
Oct 17, 2012
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A method of manufacturing a wavelength conversion member including a polycrystalline ceramics includes mixing a substance serving as a silicon source, a substance serving as an aluminum source, a substance serving as a calcium source, and a substance serving as a europium source; firing the obtained mixture to obtain an oxynitride phosphor powder; then sintering the oxynitride phosphor powder in an inert atmosphere to obtain the polycrystalline ceramics, characterized in that the sintered oxynitride phosphor powder has a composition (excluding oxygen) represented by the Formula: Cax1Eux2Si12-(y+z)Al(y+z)OzN16-z (in the Formula, x1, x2, y, and z are values such that 0
First Claim
Other Claims data not available
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International Classification(s)
- 2013 Application Filing Year
- C09K Class
- 2036 Applications Filed
- 1761 Patents Issued To-Date
- 86.50 % Issued To-Date
Cited Art Landscape
Patent Citation Ranking
- 0 Citation Count
- C09K Class
- 0 % this patent is cited more than
- 8 Age
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