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US 8,783,914 B2Granted
Light emitting apparatus and illumination apparatus
AssigneeToshiba Lighting & Technology Corporation
InventorsTomohiro Sanpei, Erika Takenaka
Life of this patent
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Abstract
A light emitting apparatus comprising a light reflecting surface made of a metal, a light emitting element which has an electrode and is mounted on the light reflecting surface, and a sealing member which covers the light reflecting surface and the light emitting element. The sealing member has translucency and oxygen gas permeability of 40000 cc/m2·day or below.
Claims6
A light emitting apparatus comprising:
- a metal base;
- an insulating portion provided on the metal base, the insulating portion including a resin base material and a filler, wherein an amount of the filler in the insulating portion is 50%-80% by weight;
- a light reflecting surface provided on the insulating portion and made of a silver;
- a heat generating light emitting diode mounted on the light reflecting surface;
- and
- a sealing member which covers the insulating portion, the light reflecting surface, and the light emitting diode, the sealing member comprising a translucent resin material, wherein the oxygen gas permeability of the sealing member is 1000 cc/m2 day or above and 40000 cc/m2 day or below.
3 more elements
Dependencies are inferred from the claim text.