	US 11,912,621 B2
	Wavelength conversion member, and light emitting device using same
Naoki Fujita, Otsu (JP); and Takashi Murata, Otsu (JP)
Assigned to NIPPON ELECTRIC GLASS CO., LTD., Shiga (JP)
Filed by NIPPON ELECTRIC GLASS CO., LTD., Otsu (JP)
Filed on Jan. 10, 2023, as Appl. No. 18/095,007.
Application 18/095,007 is a continuation of application No. 17/232,426, filed on Apr. 16, 2021, granted, now 11,584,682.
Application 17/232,426 is a continuation of application No. 16/091,115, granted, now 11,034,609, issued on Jun. 15, 2021, previously published as PCT/JP2017/021377, filed on Jun. 8, 2017.
Claims priority of application No. 2016-126536 (JP), filed on Jun. 27, 2016.
Prior Publication US 2023/0159375 A1, May 25, 2023
This patent is subject to a terminal disclaimer.
Int. Cl. C03C 4/12 (2006.01); C03C 3/066 (2006.01); C03C 3/078 (2006.01); C03C 3/087 (2006.01); C03C 3/093 (2006.01); C03C 3/089 (2006.01); C09K 11/72 (2006.01); C03C 3/064 (2006.01); C03C 3/085 (2006.01); H01L 33/50 (2010.01); C03C 3/083 (2006.01); C09K 11/61 (2006.01); C03C 3/062 (2006.01); C03C 3/091 (2006.01); C09K 11/00 (2006.01); G02B 5/20 (2006.01); C09K 11/64 (2006.01); C09K 11/77 (2006.01); F21K 9/64 (2016.01); C03C 3/095 (2006.01); C03C 3/097 (2006.01); F21S 41/16 (2018.01); F21S 41/141 (2018.01)

CPC C03C 4/12 (2013.01) [C03C 3/062 (2013.01); C03C 3/064 (2013.01); C03C 3/066 (2013.01); C03C 3/078 (2013.01); C03C 3/083 (2013.01); C03C 3/085 (2013.01); C03C 3/087 (2013.01); C03C 3/089 (2013.01); C03C 3/091 (2013.01); C03C 3/093 (2013.01); C03C 3/095 (2013.01); C03C 3/097 (2013.01); C09K 11/00 (2013.01); C09K 11/61 (2013.01); C09K 11/64 (2013.01); C09K 11/72 (2013.01); C09K 11/7718 (2013.01); C09K 11/7731 (2013.01); C09K 11/7733 (2013.01); C09K 11/77348 (2021.01); C09K 11/77747 (2021.01); F21K 9/64 (2016.08); G02B 5/20 (2013.01); H01L 33/50 (2013.01); H01L 33/502 (2013.01); C03C 2201/3423 (2013.01); C03C 2201/3447 (2013.01); F21S 41/141 (2018.01); F21S 41/16 (2018.01)]

7 Claims

1. A wavelength conversion member formed of an inorganic phosphor dispersed in a glass matrix, wherein

the glass matrix contains, in % by mole, 30 to 85% SiO₂, 0 to 20% B₂O₃, 0 to 25% Al₂O₃, 0 to 3% Li₂O, 0 to 3% Na₂O, 0 to 3% K₂O, 0 to 3% Li₂O+Na₂O+K₂O, 0 to 35% MgO, 0 to 35% CaO, 0 to 35% SrO, 0 to 35% BaO, 0.1 to 45% MgO+CaO+SrO+BaO, and 0 to 4% ZnO,

the glass matrix has a softening point of 829 to 1100° C., and

the inorganic phosphor is at least one selected from the group consisting of an oxide phosphor, a nitride phosphor, an oxynitride phosphor, a chloride phosphor, an oxychloride phosphor, a halide phosphor, an aluminate phosphor, and a halophosphate phosphor.