Active solid-state devices (e.g. – transistors – solid-state diode – Responsive to non-electrical signal – Electromagnetic or particle radiation
Patent
1994-09-28
1997-04-08
Saadat, Mahshid D.
Active solid-state devices (e.g., transistors, solid-state diode
Responsive to non-electrical signal
Electromagnetic or particle radiation
257432, H01L 2714, H01L 3100
Patent
active
056190590
ABSTRACT:
A semiconductor device comprises a plurality of colored deformable mirrors controllable by electrical circuitry. Groups of mirrors, responsive to the electronic signals, are selectably operable to reflect incident light. The deformable mirrors are coated with an optical thin film interference color coating having at least a layer that is substantially transparent to the visible light. As well the optical thin film interference color coating includes at least one further layer that is partially absorbing with respect to the visible light. The spectral reflectance and absorptance of the deformable mirror is modified in order to obtain a desired reflected color by the process of optical interference enhanced absorption in the optical thin film interference color coating. The optical thin film interference color coating has predetermined layer thicknesses and materials; the substantially transparent layer substantially determines the desired reflected color.
REFERENCES:
patent: 5022745 (1991-06-01), Zayhowski et al.
patent: 5168406 (1992-12-01), Nelson
patent: 5240818 (1993-08-01), Mignardi et al.
patent: 5452138 (1995-09-01), Mignardi et al.
Dobrowolski Jerzy A.
Grant Peter D.
Li Li
Sullivan Brian T.
Clark S. V.
National Research Council of Canada
Saadat Mahshid D.
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