Light emitting diode

Details Light emitting diode Light emitting diode

2005-10-18

2005-10-18

Cao, Phat X. (Department: 2814)

Active solid-state devices (e.g., transistors, solid-state diode

Incoherent light emitter structure

C257S098000

Reexamination Certificate

active

06956243

ABSTRACT:
A light emitting diode (LED) includes a base, a reflector cup, a plurality of LED dices, a plastic layer, and a glass lens. External terminals are mounted in the base. The reflector cup is received and fixed in the base and forms a recess in which the dices are received and fixed. The dices are connected by conductors to the external terminals. The plastic layer is filled in the base to seal the reflector cup, the dices, the conductors, and portions of the external terminals. A bottom of the reflector cup is exposed outside the plastic layer and the external terminals extend beyond the plastic layer. The lens is made of glass containing fluorescent powders and is positioned on the plastic layer at a position corresponding to the dices. The glass lens that has a high melting point offers an excellent heat resistance and thus enhances the life span and reliability of the LED.

REFERENCES:
patent: 6614103 (2003-09-01), Durocher et al.
patent: 6653661 (2003-11-01), Okazaki
patent: 6756731 (2004-06-01), Sano

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