Method of making a light modulating display device and associated transistor circuitry and structures thereof
AssigneeIdc, LLC
InventorMark W Miles
Life of this patent
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Abstract
An Interferometric Modulator (IMod) is a microelectromechanical device for modulating light using interference. The colors of these devices may be determined in a spatial fashion, and their inherent color shift may be compensated for using several optical compensation mechanisms. Brightness, addressing, and driving of IMods may be accomplished in a variety of ways with appropriate packaging, and peripheral electronics which can be attached and/or fabricated using one of many techniques. The devices may be used in both embedded and directly perceived applications, the latter providing multiple viewing modes as well as a multitude of product concepts ranging in size from microscopic to architectural in scope.
Claims35
A light modulator comprising:
- a substrate;
- a first optical element formed on the substrate, the first optical element comprising a first cavity;
- and
- a second optical element formed on the substrate, the second optical element comprising a second cavity,
- wherein the cavity of each optical element further comprises a first mirror formed over the substrate and a second mirror separated by a spacing from the first mirror, and further wherein the first optical element in a first state is configured to reflect light comprising a first color, and the second optical element in the first state is configured to reflect light comprising a second color that is different from the first color.
A light modulation device, comprising:
- a plurality of interferometric modulators formed on a substrate, each interferometric modulator comprising a first mirror formed over the substrate and a second mirror separated by a spacing from the first mirror;
- and
- a driving circuit configured to apply a voltage to first and second interferometric modulators of the plurality of interferometric modulators, wherein the applied voltage causes the second mirror of the first interferometric modulator to move by a first distance, and the same applied voltage causes the second mirror of the second interferometric modulator to move by a second distance, wherein the first and second distances are different.
A device for modulating light, the device comprising:
- first means for modulating light, said first light modulating means comprising a first cavity;
- second means for modulating light, said second light modulating means comprising a second cavity;
- and
- a means for supporting the first and second light modulating means,
- wherein the first light modulating means reflects light of a first color when the first light modulating means is in a first state and the second light modulating means reflects light of a second color different than the first color when the second light modulating means is in the first state.
Dependencies are inferred from the claim text.