LED with light emission on all sides

Active solid-state devices (e.g. – transistors – solid-state diode – Incoherent light emitter structure – With heterojunction

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257 96, 257 97, 257 98, 372 44, 372 45, H01L 3300

Patent

active

059733365

ABSTRACT:
An LED having improved light emission characteristics by allowing radiation generated to be guided towards the side faces of the LED by means of a relatively thick waveguide comprised of a transmissive material, specifically in such a way that as many modes as possible can propagate.

REFERENCES:
patent: 4766470 (1988-08-01), Scholl et al.
patent: 4953170 (1990-08-01), Logan et al.
patent: 5264715 (1993-11-01), Guenter et al.
patent: 5331655 (1994-07-01), Harder et al.
patent: 5537433 (1996-07-01), Watanabe
patent: 5572539 (1996-11-01), Kondo

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