Light emitting diode

Details Light emitting diode Light emitting diode

2006-07-04

2006-07-04

Sember, Thomas M. (Department: 2875)

Illumination

Light source and modifier

With sealing means or artificial atmosphere

C362S311040, C362S800000, C313S501000, C313S512000

Reexamination Certificate

active

07070304

ABSTRACT:
A light emitting diode is provided which includes a circuit substrate, a semi-spherical concave surface part formed in the circuit substrate, and a transparent stage disposed in the semi-spherical concave surface part in the circuit substrate. An LED chip is mounted on the horizontal upper surface of the transparent stage, a reflective member forms a truncated cone-shaped concave surface part disposed to be joined to an end of the semi-spherical concave surface part and attached on the substrate. A sealing body is disposed in the joined concave surface parts to cover the LED chip. The transparent stage includes a lower surface having a convex surface corresponding to a concave surface of the semi-spherical concave surface part and an upper surface formed in a horizontal surface. The LED chip is mounted on the horizontal upper surface of the transparent stage.

REFERENCES:
patent: 5894196 (1999-04-01), McDermott
patent: 6850001 (2005-02-01), Takekuma
patent: 6964489 (2005-11-01), Blume et al.
patent: 2002-280614 (2002-09-01), None

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