Image displaying medium containing at least two kinds of particles having different colors and different characteristics, method for displaying image using same and image displaying apparatus including same

A method for displaying an image, comprising the steps of:

• moving a displaying medium, comprising two display substrates formed of a charge transporting material and at least one cell formed between the substrates, relative to a head for applying an electric field provided on a side of one of the substrates, the cell containing at least two kinds of particles having different colors and different characteristics, wherein the displaying medium comprises plural units between the substrates, each of the units comprising a first cell containing particles of a first color and particles of a second color and a second cell containing particles of the first color and particles of a third color;
• generating an electric field in a region corresponding to image data in the displaying medium;
• and
• causing one kind of particles of the at least two kinds of particles to move towards one of the substrates by the electric field to display an image.

An image displaying apparatus for displaying an image on an image displaying medium, comprising:

• the displaying medium comprising two display substrates formed of a charge transporting material and at least one cell formed between the substrates, the cell containing at least two kinds of particles having different colors and different charging characteristics, one kind of particles of the at least two kinds of particles are conductive particles;
• a head for applying an electric field in the displaying medium;
• and
• voltage controlling means for controlling the head for applying an electric field to generate an electric field corresponding to image data in the displaying medium to cause one kind of particles of the at least two kinds of particles in the displaying medium to move towards one of the substrates.

A method for displaying an image comprising the steps of:

• applying, to a displaying medium comprising plural pixel electrodes, a flat electrode and at least one cell therebetween containing at least two kinds of particles of different colors, one kind of particles of the at least two kinds of particles are conductive particles and some of the particles having a charge transporting property on at least the surface thereof, a voltage on the pixel electrode at a position corresponding to image data;
• generating an electric field in a region of the displaying medium corresponding to the image data;
• and
• causing one kind of particles of the at least two kinds of particles to attach to the pixel electrode by the electric field to display an image.

A method for displaying, comprising the steps of:

• applying, to a displaying medium comprising plural pixel electrodes, a flat electrode and at least one cell therebetween containing at least two kinds of particles of different colors, one kind of particles of the at least two kinds of particles are particles comprising on a surface thereof a charge transporting layer having a hole transporting property, and the other kind of particles are particles comprising on a surface thereof a charge transporting layer having an electron transporting property, a voltage on the pixel electrode at a position corresponding to image data;
• generating an electric field in a region of the displaying medium corresponding to the image data;
• and
• causing one kind of particles of the at least two kinds of particles to attach to the pixel electrode by the electric field to display an image.

A method for displaying an image, comprising the steps of:

• applying, to a displaying medium comprising plural pixel electrodes, a flat electrode and at least one cell therebetween containing at least two kinds of particles of different colors, some of the particles having a charge transporting property on the surface thereof and being formed of a charge transporting material, a voltage on the pixel electrode at a position corresponding to image data;
• generating an electric field in a region of the displaying medium corresponding to the image data;
• and
• causing one kind of particles of the at least two kinds of particles to attach to the pixel electrode by the electric field to display an image.

An image displaying medium comprising:

• a first display substrate composed of plural pixel electrodes;
• a second display substrate composed of a flat electrode;
• and
• at least two kinds of particles of different colors contained in at least one cell provided between the first display substrate and the second display substrate, the particles having a charge transporting property on at least a surface thereof and one kind of particles of the at least two kinds of particles are conductive particles.

An image displaying medium, comprising:

• a first display substrate composed of plural pixel electrodes;
• a second display substrate composed of a flat electrode;
• and
• at least two kinds of particles of different colors contained in at least one cell provided between the first display substrate and the second display substrate, the particles having a charge transporting property on at least a surface thereof, wherein one kind of particles of the at least two kinds of particles comprise on a surface thereof a charge transporting layer having hole transporting property, and the other kind particles comprise on a surface thereof a charge transporting layer having an electron transporting property.

An image displaying medium, comprising:

• a first display substrate composed of plural pixel electrodes;
• a second display substrate composed of a flat electrode;
• and
• at least two kinds of particles of different colors contained in at least one cell provided between the first display substrate and the second display substrate, the particles having a charge transporting property on at least a surface thereof and comprising a charge transporting material.

An image displaying medium, comprising:

• a first display substrate composed of plural pixel electrodes;
• a second display substrate composed of a flat electrode;
• and
• at least two kinds of particles of different colors contained in at least one cell provided between the first display substrate and the second display substrate, the particles having a charge transporting property on at least a surface thereof, wherein one kind of particles of the at least two kinds of particles are particles comprising a charge transporting material having a hole transporting property, and the other kind particles are particles comprising a charge transporting material having an electron transporting property.

An image displaying medium, comprising:

• a first charge transporting layer;
• a second charge transporting layer;
• first particles contained in at least one cell provided in a space between the first charge transporting layer and the second charge transporting layer;
• and
• second particles having a different color from the first particles and being movable by an electric field,
• wherein the displaying medium itself has no electrode, but the second particles are moved by application of an electric field from the outside of the displaying medium to display an image and wherein the second particles are conductive particles.

An image displaying medium comprising:

• a first conductive member;
• a second conductive member;
• first particles contained in at least one cell provided in a space between the first conductive member and the second conductive member;
• and
• second particles having a different color from the first particles and being contained in the space, the second particles having a charge transporting property on at least the surface thereof and being conductive particles.

An image displaying medium comprising:

• a first conductive member;
• a second conductive member;
• first particles contained in at least one cell provided in a space between the first conductive member and the second conductive member, the first particles having a charge transporting property on at least a surface thereof;
• and
• second particles having a different color from the first particles and being contained in the space, the second particles having a hole transporting property on at least a surface thereof.