E Ink Corporation

Massachusetts Institute of Technology

Alexi Arango

Karl Raymond Amundson

Robert Waverly Zehner

Moungi G Bawendi

Vladimir Bulovic

Joseph M Jacobson

Holly G Gates

Joanna F Au

Ara N Knaian

Jonathan L Zalesky

Seth A Coe-Sullivan

Jonathan S Steckel

Jonathan E Halpert

Jean-Michel Caruge

Richard J Paolini, Jr

Vanessa Wood

Thomas Henry Whitesides

Guy Danner

Andrew L Loxley

Craig A Herb

Michael D McCreary

Dirk Hertel

Jay Britton Ewing

David Oertel

Ara N Knalan

An electro-optical device can include a plurality of semiconductor nanocrystals. In some circumstances, the device can omit an electron transporting layer.

Electro-optical device

A light emitting device includes a semiconductor nanocrystal and a charge transporting layer that includes an inorganic material. The charge transporting layer can be a hole or electron transporting layer. The inorganic material can be an inorganic semiconductor.

Light emitting device including semiconductor nanocrystals

A dielectrophoretic display comprises a substrate having walls defining at least one cavity, the cavity having a viewing surface and a side wall inclined to the viewing surface; a suspending fluid contained within the cavity; a plurality of at least one type of particle suspended within the suspending fluid; and means for applying to the fluid an electric field effective to cause dielectrophoretic movement of the particles to the side wall of the cavity.

Electrophoretic displays

A photovoltaic device includes a semiconductor nanocrystal and a charge transporting layer that includes an inorganic material. The charge transporting layer can be a hole or electron transporting layer. The inorganic material can be an inorganic semiconductor.

Photovoltaic device including semiconductor nanocrystals

A bistable electro-optic display has a plurality of pixels, each of which is capable of displaying at least three gray levels. The display is driven by a method comprising: storing a look-up table containing data representing the impulses necessary to convert an initial gray level to a final gray level; storing data representing at least an initial state of each pixel of the display; receiving an input signal representing a desired final state of at least one pixel of the display; and generating an output signal representing the impulse necessary to convert the initial state of said one pixel to the desired final state thereof, as determined from said look-up table. The invention also provides a method for reducing the remnant voltage of an electro-optic display.

Methods for driving bistable electro-optic displays, and apparatus for use therein

Dielectrophoretic displays

Light emitting devices including semiconductor nanocrystals

A dielectrophoretic display has a substrate having walls defining a cavity, the cavity having a viewing surface and a side wall inclined to the viewing surface. A fluid is contained within the cavity; and a plurality of particles are present in the fluid. There is applied to the substrate an electric field effective to cause dielectrophoretic movement of the particles so that the particles occupy only a minor proportion of the viewing surface.

Methods for driving electrophoretic displays using dielectrophoretic forces

A dielectrophoretic display comprises a substrate having walls defining at least one cavity, the cavity having a viewing surface and a side wall inclined to the viewing surface; a suspending fluid contained within the cavity; a plurality of at least one type of particle suspended within the suspending fluid; and means for applying to the fluid an electric field effect effective to cause dielectrophoretic movement of the particles to the side wall of the cavity.

Methods for driving electro-optic displays, and apparatus for use therein

A dielectrophoretic display comprises a substrate having walls defining at least one cavity, the cavity having a viewing surface and a side wall inclined to the viewing surface; a suspending fluid contained within the cavity; a plurality of at least one type of particle suspended within the suspending fluid; and means for applying to the substrate an electric field effect effective to cause dielectrophoretic movement of the particles to the side wall of the cavity.

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Somerville, MA, United States of America

Alexi Arango