Mark Db Miles

US Patent:

7791787, Sep 7, 2010

Filed:

Jan 30, 2009

Appl. No.:

12/363671

Inventors:

Mark W. Miles - Atlanta GA, US

Assignee:

QUALCOMM MEMS Technologies, Inc. - San Diego CA

International Classification:

G02B 26/00

US Classification:

359290, 359291

Abstract:

A MEMS device is provided. The MEMS device may include a first plate, a second plate and a third plate. The MEMS device may also include a first power supply configured to provide a voltage to the first plate and a second power supply configured apply a voltage to the second plate. In some embodiments, a third power supply may provide a voltage to the third plate.

US Patent:

7830588, Nov 9, 2010

Filed:

Feb 9, 2009

Appl. No.:

12/368136

Inventors:

Mark W. Miles - Atlanta GA, US

Assignee:

QUALCOMM MEMS Technologies, Inc. - San Diego CA

International Classification:

G02B 26/00

US Classification:

359291, 359290, 359223, 359224

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.

US Patent:

7929197, Apr 19, 2011

Filed:

Jun 10, 2010

Appl. No.:

12/813286

Inventors:

Mark W. Miles - Atlanta GA, US

Assignee:

QUALCOMM MEMS Technologies, Inc. - San Diego CA

International Classification:

G02B 26/00

US Classification:

359291, 359290

Abstract:

Light in the visible spectrum is modulated using an array of modulation elements, and control circuitry connected to the array for controlling each of the modulation elements independently, each of the modulation elements having a surface which is caused to exhibit a predetermined impedance characteristic to particular frequencies of light. The amplitude of light delivered by each of the modulation elements is controlled independently by pulse code modulation. Each modulation element has a deformable portion held under tensile stress, and the control circuitry controls the deformation of the deformable portion. Each deformable element has a deformation mechanism and an optical portion, the deformation mechanism and the optical portion independently imparting to the element respectively a controlled deformation characteristic and a controlled modulation characteristic. The deformable modulation element may be a non-metal. The elements are made by forming a sandwich of two layers and a sacrificial layer between them, the sacrificial layer having a thickness related to the final cavity dimension, and using water or an oxygen based plasma to remove the sacrificial layer.

US Patent:

8023191, Sep 20, 2011

Filed:

May 7, 2008

Appl. No.:

12/116791

Inventors:

Mark W. Miles - Atlanta GA, US
Brian W. Arbuckle - Danville CA, US
Ion Bita - San Jose CA, US
Manish Kothari - Cupertino CA, US
Patrick F. Brinkley - San Mateo CA, US
Gang Xu - Cupertino CA, US
Nassim Khonsari - Redwood City CA, US
Jonathan C. Griffiths - Fremont CA, US

Assignee:

QUALCOMM MEMS Technologies, Inc. - San Diego CA

International Classification:

G02B 5/28
G03C 5/00

US Classification:

359580, 359589, 359900, 347 2, 427466, 430 7, 430321

Abstract:

Methods of fabricating a static interferometric image device and static interferometric image device formed by the same are disclosed. In one embodiment, a method includes providing a substrate. A plurality of liquid layers are formed over the substrate by an inkjet process such that the layers are lateral to one another. The liquid layers contain a solidifiable material or particles. Then, the plurality of liquid layers are solidified to form a plurality of solid layers. In some embodiments, the substrate includes pre-defined cavities, and the liquid layers are formed in the cavities. In other embodiments, the substrate includes a substantially planar, stepped, or continuously transitioning surface, and the liquid layers are formed on the surface. The inkjet process provides optical fillers or spacers for defining interferometric gaps between absorbers and reflectors in the display device, based at least partially on an image that the display device is designed to display.

US Patent:

8035884, Oct 11, 2011

Filed:

Oct 20, 2010

Appl. No.:

12/908846

Inventors:

Mark W. Miles - Atlanta GA, US

Assignee:

QUALCOMM MEMS Technologies, Inc. - San Diego CA

International Classification:

G02B 26/00
G02B 26/08
G02F 1/29

US Classification:

359291, 359298

Abstract:

Light in the visible spectrum is modulated using an array of modulation elements, and control circuitry connected to the array for controlling each of the modulation elements independently, each of the modulation elements having a surface which is caused to exhibit a predetermined impedance characteristic to particular frequencies of light. The amplitude of light delivered by each of the modulation elements is controlled independently by pulse code modulation. Each modulation element has a deformable portion held under tensile stress, and the control circuitry controls the deformation of the deformable portion. Each deformable element has a deformation mechanism and an optical portion, the deformation mechanism and the optical portion independently imparting to the element respectively a controlled deformation characteristic and a controlled modulation characteristic. The deformable modulation element may be a non-metal. The elements are made by forming a sandwich of two layers and a sacrificial layer between them, the sacrificial layer having a thickness related to the final cavity dimension, and using water or an oxygen based plasma to remove the sacrificial layer.

US Patent:

8054532, Nov 8, 2011

Filed:

Jun 14, 2010

Appl. No.:

12/815136

Inventors:

Mark W. Miles - Atlanta GA, US

Assignee:

QUALCOMM MEMS Technologies, Inc. - San Diego CA

International Classification:

G02B 26/006

US Classification:

359291, 359290

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.

US Patent:

8115983, Feb 14, 2012

Filed:

Apr 14, 2009

Appl. No.:

12/423531

Inventors:

Mark W. Miles - Atlanta GA, US
Jeffrey B. Sampsell - Pueblo West CO, US

Assignee:

QUALCOMM MEMS Technologies, Inc. - San Diego CA

International Classification:

G02B 26/00

US Classification:

359238

Abstract:

A MEMS-based display device is described, wherein an array of interferometric modulators are configured to reflect light through a transparent substrate. The transparent substrate is sealed to a backplate and the backplate can contain electronic circuitry for controlling the array of interferometric modulators. The backplate can provide physical support for device components, such as electronic components which can be used to control the state of the display. The backplate can also be utilized as a primary structural support for the device.

US Patent:

8169687, May 1, 2012

Filed:

Jan 26, 2009

Appl. No.:

12/360005

Inventors:

Mark W. Miles - Atlanta GA, US

Assignee:

QUALCOMM MEMS Technologies, Inc. - San Diego CA

International Classification:

G02B 26/00
G02F 1/01

US Classification:

359290, 359247

Abstract:

An interference modulator (Imod) incorporates anti-reflection coatings and/or micro-fabricated supplemental lighting sources. An efficient drive scheme is provided for matrix addressed arrays of IMods or other micromechanical devices. An improved color scheme provides greater flexibility. Electronic hardware can be field reconfigured to accommodate different display formats and/or application functions. An IMod's electromechanical behavior can be decoupled from its optical behavior. An improved actuation means is provided, some one of which may be hidden from view. An IMod or IMod array is fabricated and used in conjunction with a MEMS switch or switch array. An IMod can be used for optical switching and modulation. Some IMods incorporate 2-D and 3-D photonic structures. A variety of applications for the modulation of light are discussed.