Light-emitting unit and illuminator utilizing the same

Details Light-emitting unit and illuminator utilizing the same Light-emitting unit and illuminator utilizing the same

2006-05-23

2006-05-23

Glick, Edward J. (Department: 2882)

Electric lamp and discharge devices

With luminescent solid or liquid material

Solid-state type

C257S098000, C257S100000, C438S026000, C362S240000, C362S249070, C362S800000

Reexamination Certificate

active

07049746

ABSTRACT:
A light-emitting unit, including LEDs mounted on both sides of a substrate, simulates a spherical light source. The LED on each side of the substrate is enclosed by a lens made of a material containing light-dispersing particles. The substrate is provided with a wiring pattern connected to the LEDs. Each of the light-dispersing lenses has a circular periphery which is adjacent to an edge of the substrate.

REFERENCES:
patent: 5986401 (1999-11-01), Thompson et al.
patent: 2003/0141813 (2003-07-01), Miyashita
patent: 04-028269 (1992-01-01), None
patent: 07-231120 (1995-08-01), None

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