Patent ID: 8611389

Claim:
A light emitting device, comprising: a light emitting element mounting component including: a cubic package component formed of a silicon member covered with an insulating layer, and the cubic package component including a bottom portion, a sidewall portion provided to stand upright on both ends of the bottom portion respectively, and a backwall portion provided to stand upright on an innermost part of the bottom portion, and the cubic package component in which a cavity is provided in an inner side, wherein the cubic package component including a penetration electrode formed via the insulating layer in a thickness direction of the backwall portion, and wiring ers provided on the inner side surface and an outer side surface of the backwall portion, respectively, and connected mutually via the penetration electrode; and a light emitting element mounted on an inner side surface of the backwall portion of the cubic package component, and including a light emitting surface on an upper end part, wherein a plurality of said light emitting element mounting components are stacked in a depth direction of the cavity to direct toward an identical direction, and wherein one side surface of the light emitting element is connected to the wiring layer on the inner side surface of the backwall portion via a first conductive joining material, and another side surface of the light emitting element is connected to the wiring layer on the outer side surface of the backwall portion of the other package component via a second conductive joining material.