Modifying the electro-mechanical behavior of devices
First Claim
Patent Images
1. A display device, comprising:
- a first surface;
a second surface offset from the first surface to form a package;
at least one interferometric modulator within the package, the interferometric modulator comprising a movable surface configured to contact another surface; and
an environmental control material inside the package, wherein the amount of the environmental control material is selected to affect an operation of the interferometric modulator.
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Abstract
A MEMS device is packaged with a control material that is included in the package to affect an operation of a moveable element of the device. The control material may affect operational characteristics including actuation and release voltages and currents, mechanical affects including damping and stiffness, lifetime of the device, optical properties, thermal affects and corrosion. The control material may be inserted into the package as part of any of several structural components of the package or the MEMS device.
344 Citations
31 Claims
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1. A display device, comprising:
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a first surface; a second surface offset from the first surface to form a package; at least one interferometric modulator within the package, the interferometric modulator comprising a movable surface configured to contact another surface; and an environmental control material inside the package, wherein the amount of the environmental control material is selected to affect an operation of the interferometric modulator. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19)
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20. A method of packaging a display device, comprising:
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forming at least one interferometric modulator on a substrate, the interferormetric modulator comprising a movable surface configured to contact another surface; enclosing the interferometric modulator and the substrate in a package; and including an environmental control material in the package, wherein the amount of environmental control material is selected based upon an effect on an operation of the interferometric modulator caused by the material. - View Dependent Claims (21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31)
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Specification