Light-emitting diode having uniform irradiance distribution

Details Light-emitting diode having uniform irradiance distribution Light-emitting diode having uniform irradiance distribution

1997-09-16

1999-11-23

Tran, Minh Loan

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

Incoherent light emitter structure

With housing or contact structure

257 91, 257 98, H01L 3300

Patent

active

059904984

ABSTRACT:
An illumination device configured so as to produce a uniform illumination distribution incorporating one or more LEDs fabricated such that the top surface emitting the colored light is not obstructed by an electrode or by contacts connecting the LED to a current source. Such a configuration is accomplished by providing a substantially transparent attachment layer that may include an opaque conductive material, but preferably includes transparent conductive particles that, in combination, attach and electrically connect the LED to an electrode disposed upon a substrate.

REFERENCES:
patent: 4495514 (1985-01-01), Lawrence et al.
patent: 5134340 (1992-07-01), Haitz
patent: 5656823 (1997-08-01), Kruangam
patent: 5663573 (1997-09-01), Epstein et al.
patent: 5739545 (1998-04-01), Guha et al.
Patent Abstracts of Japan vol. 016, No. 224(E-1206) May 25, 1992.

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