Active solid-state devices (e.g. – transistors – solid-state diode – Incoherent light emitter structure – In combination with or also constituting light responsive...
Patent
1994-11-28
2000-02-29
Jackson, Jr., Jerome
Active solid-state devices (e.g., transistors, solid-state diode
Incoherent light emitter structure
In combination with or also constituting light responsive...
257 80, 257 85, 257 98, H01L 3116, H01L 2715
Patent
active
060312513
ABSTRACT:
A linear optocoupler (71) having a light emitting diode (28) and a detector diode (29) formed on a common semiconductor substrate (33). Light emitted by the light emitting diode (28) is transmissive to semiconductor substrate (33). A layer of light reflective material (34) is formed on a side opposite from which the light emitting diode (28) and the detector diode (29) on the semiconductor substrate (33). A portion of light emitted by the light emitting diode (28) transmits through the semiconductor substrate (33) to be reflected by the layer of light reflective material (34). The reflected light transmits through the semiconductor substrate (33) to be received by the detector diode (29). A photo detector diode (61) and the semiconductor substrate (33) including the light emitting diode (28) and the detector diode (29) are mounted on a lead frame (51) co-planar to one another. A light flux coupling media (76) couples light from the light emitting diode (28) to the photo detector diode (29).
REFERENCES:
patent: 3229104 (1966-01-01), Rutz
patent: 3659159 (1972-04-01), Nagata
patent: 3881113 (1975-04-01), Rideout
patent: 4614958 (1986-09-01), Mikami et al.
patent: 4675518 (1987-06-01), Oimura et al.
Gempe Horst A.
Hoshizaki Gary W.
Botsch Sr. Bradley J.
Hoshizaki Gary W.
Jackson, Jr. Jerome
Motorola Inc.
Parker Lanny L.
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