| 摘要 |
PURPOSE:To radiate light in the frontal direction of an LED lamp with good efficiency in the LED lamp having a plurality of semiconductor chips. CONSTITUTION:An LED lamp has a lead 13C, a plurality of semiconductor chips 12A, 12B To be loaded on the tip part of this lead, a plurality of semiconductor chips and a transparent enclosure 15 surrounding its vicinity. Then, a form of the enclosure 15 is composed of a solid including a plurality of ellipsoids 17A, 17B having the respective axes 16A, 16B passing through the respective semiconductor chips 12A, 12B. |
