High brightness light emitting diode device

Details High brightness light emitting diode device High brightness light emitting diode device

2006-09-15

2010-10-05

Tso, Laura (Department: 2875)

Illumination

Light fiber, rod, or pipe

Light emitting diode

C362S558000, C362S800000, C362S311020, C362S612000

Reexamination Certificate

active

07806577

ABSTRACT:
The present invention relates to a light emitting diode (LED) device (10) comprising (a plurality of LED chips (12) placed on a substrate, and a plurality of light guiding elements (16, 36) each having and an entrance window (24) and an exit window (26) wherein the elements are arranged for allowing light from at least one LED chip to be transferred from the entrance window to the exit window, and wherein the elements are further arranged so that said exit windows form several inner side surfaces (20) of a cavity (22), which cavity further has an exit aperture (30) for allowing extraction of light from the device. This configuration allows for a high brightness LED device.

REFERENCES:
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patent: 2004/0203189 (2004-10-01), Chen et al.
patent: 2005/0067944 (2005-03-01), Masuda et al.
patent: 2005/0281048 (2005-12-01), Coushaine et al.
patent: 2006/0067090 (2006-03-01), Lee et al.
patent: 2006/0114420 (2006-06-01), Kim et al.
patent: 2006/0164857 (2006-07-01), Morejon et al.
patent: 04137675 (1992-05-01), None
patent: 0207131 (2002-01-01), None
patent: 2004049462 (2004-06-01), None

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