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LIGHT-EMITTING ELEMENT MOUNTING SUBSTRATE AND LIGHT-EMITTING ELEMENT MODULE

TOYODA SATOSHI / TAKENOSHITA HIDEHIRO / FURUTACHI KENICHI

There are provided a light-emitting element mounting substrate which exhibits high reflectivity, and a light-emitting module having high reliability and high luminance. A light-emitting element mounting substrate includes an alumina sintered body containing alumina crystal, zirconia crystal, and grain boundary phase, wherein an intensity ratio It/Im between a peak intensity It of tetragonal zirconia crystal at 2θ ranging from 30° to 30.5° and a peak intensity Im of monoclinic zirconia crystal at 2θ ranging from 28° to 28.5° measured by X-ray diffractometer using Cu-Kα radiation, is less than or equal to 35 excluding 0. Further, a light-emitting element module includes the light-emitting element mounting substrate, and a light-emitting element mounted thereon.

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LIGHT-EMITTING ELEMENT MOUNTING SUBSTRATE AND LIGHT-EMITTING ELEMENT MODULE

TOYODA SATOSHI / TAKENOSHITA HIDEHIRO / FURUTACHI KENICHI

There are provided a light-emitting element mounting substrate which exhibits high reflectivity, and a light-emitting module having high reliability and high luminance. A light-emitting element mounting substrate includes an alumina sintered body containing alumina crystal, zirconia crystal, and grain boundary phase, wherein an intensity ratio It/Im between a peak intensity It of tetragonal zirconia crystal at 2θ ranging from 30° to 30.5° and a peak intensity Im of monoclinic zirconia crystal at 2θ ranging from 28° to 28.5° measured by X-ray diffractometer using Cu-Kα radiation, is less than or equal to 35 excluding 0. Further, a light-emitting element module includes the light-emitting element mounting substrate, and a light-emitting element mounted thereon.

LIGHT-EMITTING ELEMENT MOUNTING SUBSTRATE AND LIGHT-EMITTING ELEMENT MODULE

TOYODA SATOSHI / TAKENOSHITA HIDEHIRO / FURUTACHI KENICHI

There are provided a light-emitting element mounting substrate which exhibits high reflectivity, and a light-emitting module having high reliability and high luminance. A light-emitting element mounting substrate includes an alumina sintered body containing alumina crystal, zirconia crystal, and grain boundary phase, wherein an intensity ratio It/Im between a peak intensity It of tetragonal zirconia crystal at 2θ ranging from 30° to 30.5° and a peak intensity Im of monoclinic zirconia crystal at 2θ ranging from 28° to 28.5° measured by X-ray diffractometer using Cu-Kα radiation, is less than or equal to 35 excluding 0. Further, a light-emitting element module includes the light-emitting element mounting substrate, and a light-emitting element mounted thereon.

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Titel:

LIGHT-EMITTING ELEMENT MOUNTING SUBSTRATE AND LIGHT-EMITTING ELEMENT MODULE

Beteiligte:

TOYODA SATOSHI (Autor:in) / TAKENOSHITA HIDEHIRO (Autor:in) / FURUTACHI KENICHI (Autor:in)

Erscheinungsdatum:

11.02.2016

Medientyp:

Patent

Format:

Elektronische Ressource

Sprache:

Englisch

Klassifikation:

IPC: H01L Halbleiterbauelemente , SEMICONDUCTOR DEVICES / C04B Kalk , LIME

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