Optical: systems and elements – Optical modulator – Light wave temporal modulation
Patent
1997-01-31
1998-09-29
Epps, Georgia Y.
Optical: systems and elements
Optical modulator
Light wave temporal modulation
359295, 359850, 359212, G02B 2600
Patent
active
058153047
ABSTRACT:
Thin film AMA in an optical projection system and a method for manufacturing the same are disclosed. The thin film AMA has a substrate having electrical wiring and a connecting terminal, an actuator, and a reflecting member. The actuator has a supporting layer, a bottom electrode, an active layer, and a top electrode. The supporting layer has a first portion attached beneath the bottom electrode and a second portion exposed out of bottom electrode. The reflecting member is formed on the second portion of supporting layer. The supporting layer tilts with the actuator. Hence, the thin film AMA has much enhanced light efficiency of the right reflected by the reflecting member by minimizing the area of the actuator and maximizing the area of the reflecting member, so the quality of a picture projected onto a screen is greatly increased.
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Bey Dawn-Marie
Daewoo Electronics Co. Ltd.
Epps Georgia Y.
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