Nippon Electric Glass Co., Ltd.

Kumiko Himei

Yoshio Umayahara

Kunihiko Kano

A composite powder of the present invention includes a glass powder and a ceramic powder, wherein a content of the glass powder is from 30 vol % to 60 vol %, wherein a content of the ceramic powder is from 40 vol % to 70 vol %, wherein the glass powder includes as a glass composition, in terms of mass %, 10% to 30% of SiO, more than 20% to 40% of BO, 20% to 40% of SrO+BaO, 0% to 10% of AlO, and 0% to 15% of ZnO, and wherein the composite powder is used for a light reflective substrate.

Composite powder, green sheet, light reflective substrate, and light emitting device using same

A bismuth-based glass composition includes as a glass composition, in terms of mass %, 55% to 80% of BiO, 15% to 35% of SiO, 0% to less than 3% of ZrO, 0% to 5% of BO, and 0% to less than 8% of ZnO, and has a mass ratio SiO/ZrOof more than 6.7.

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Shiga, Japan

Kumiko Himei