Display element, display device, and manufacturing method of display element

A display element, comprising:

• a pair of substrates, at least one of which is transparent;
• and
• a material layer between the substrates,
• the display element performing display operation by applying an external field to the material layer, and
• the material layer including a medium whose optical anisotropy degree is changeable by external field application,
• the material layer containing a hydrogen-bonding material.

A display element, comprising:

• a pair of substrates, at least one of which is transparent;
• and
• a material layer between the substrates,
• the display element performing display operation by applying an external field to the material layer,
• the material layer including a medium whose optical anisotropy degree is changeable by external field application, and
• the material layer containing fine particles.

A display element, comprising:

• a pair of substrates, at least one of which is transparent;
• and
• a material layer between the substrates,
• the display element performing display operation by applying an external field to the material layer, and the material layer including (a) a medium whose optical anisotropy degree is changeable by external field application,
• the material layer being a polymer.

A display element, comprising:

• a pair of substrates, at least one of which is transparent;
• and
• a material layer between the substrates,
• the display element performing display operation by applying an external field to the material layer, and the material layer including a medium whose optical anisotropy degree is changeable by external field application,
• the material layer being a porous structure material.

A display device including a display element,

• said display element comprising:
• a pair of substrates, at least one of which is transparent;
• and
• a material layer between the substrates,
• the display element performing display operation by applying an external field on the material layer, and
• the material layer including (a) a medium whose optical anisotropy degree is changeable by external field application, and (b) an alignment auxiliary material.

A method for manufacturing a display element, comprising the steps of:

• sealing a medium in the material layer, the medium being changed in optical anisotropy degree by an external field applied thereon;
• forming a liquid crystal phase in the medium of the material layer;
• and
• forming an alignment auxiliary material in the material layer while the medium is in the liquid crystal phase,
• the display element including:
• a pair of substrates, at least one of which is transparent;
• and
• a material layer between the substrates,
• the display element performing display operation by applying an external field on the material layer, and
• the material layer including (a) the medium whose optical anisotropy degree is changeable by external field application, and (b) an alignment auxiliary material.

A method for manufacturing a display element, comprising the step of:

• adding a hydrogen-bonding material to a medium which is changed in optical anisotropy degree by an external field applied thereon,
• the display element including:
• a pair of substrates, at least one of which is transparent;
• and
• a material layer between the substrates
• the display element performing display operation by an external field applied to the material layer.

A method for manufacturing a display element, comprising the step of:

• adding fine particles to a medium which is changed in optical anisotropy degree by an external field applied thereon,
• the display element including:
• a pair of substrates, at least one of which is transparent;
• and
• a material layer between the substrates,
• the display element performing display operation by applying the external field to the material layer.

A method for manufacturing a display element, comprising the step of:

• forming a porous structure material in a medium which is changed in optical anisotropy degree by an external field applied thereon,
• the display element including:
• a pair of substrates, at least one of which is transparent;
• and
• a material layer between the substrates,
• the display element performing display operation by applying the external field to the material layer.

A method for manufacturing a display element comprising the steps of:

• adding a polymerizable compound to a medium which is changed in optical anisotropy degree by an external field applied thereon;
• sealing the medium between a pair of substrates in order to form a material layer;
• and
• polymerizing the polymerizable compound in the medium,
• the display element including:
• the pair of substrates, at least one of which is transparent;
• and
• the material layer between the substrates,
• the display element performing display operation by applying the external field to the material layer.