Electroluminescent illumination source for optical detection...

Details Electroluminescent illumination source for optical detection... Electroluminescent illumination source for optical detection...

2004-12-22

2010-10-19

Alexander, Lyle A (Department: 1797)

Chemical apparatus and process disinfecting, deodorizing, preser

Analyzer, structured indicator, or manipulative laboratory...

Calorimeter

C422S051000, C422S082050, C422S082060, C422S082070, C436S169000, C436S172000, C435S006120

Reexamination Certificate

active

07815854

ABSTRACT:
An optical detection system that utilizes an electroluminescent (EL) illumination source is provided. Unlike illumination sources used with some conventional optical detection systems, an EL device is relatively homogeneous and diffuse, and thus may provide uniform illumination to the test sample. In addition, the emitted light intensity of the EL device may be easily controlled by simply varying the voltage or the frequency of the applied current. The relatively flexibility of EL devices may also allow them to be readily incorporated into a chromatographic-based assay device for detecting the presence or absence of an analyte within a test sample.

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