Organic electroluminescent transfer medium provided with pattern transfer layer, organic electroluminescent transfer object provided with pattern transfer layer, and process for producing an organic electroluminescent device

A process for producing an organic electroluminescent device, comprising the steps of:

• providing an organic electroluminescent transfer medium comprising at least a support, a release layer provided on the support, and an organic electroluminescent transfer layer provided on the release layer, a transfer surface, which is the surface of the organic electroluminescent transfer medium on its organic electroluminescent transfer layer side, being formed of a pattern transfer layer capable of forming a pattern based on a difference in adhesiveness by incorporating an acrylic copolymer and a blocked polyisocyanate compound and
• providing an organic electroluminescent transfer object comprising at least a substrate and an electrode provided on the substrate, putting the organic electroluminescent transfer medium on top of the organic electroluminescent transfer object so the transfer surface of the organic electroluminescent transfer medium is brought into intimate contact with the electrode formed face of the organic electroluminescent transfer object, and heating the assembly in the state of the intimate contact of the transfer surface with the electrode formed face, or alternatively
• providing an organic electroluminescent transfer medium comprising at least a support, a release layer provided on the support, and an organic electroluminescent transfer layer provided on the release layer, and
• providing an organic electroluminescent transfer object comprising at least a substrate and an electrode provided on the substrate, a transfer surface, which is the surface of the organic electroluminescent transfer object on its electrode side, being formed of a pattern transfer layer capable of forming a pattern based on a difference in adhesiveness by incorporating an acrylic copolymer and a blocked polyisocyanate compound, putting the organic electroluminescent transfer medium on top of the organic electroluminescent transfer object so that the transfer surface of the organic electroluminescent transfer medium is brought into intimate contact with the transfer surface of the organic electroluminescent transfer object, and heating the assembly in the state of the intimate contact of the transfer surface of the organic elecroluminescent transfer medium with the transfer surface of the organic electroluminescent transfer object,
• whereby the organic electroluminescent transfer layer and the pattern transfer layer, if any, are transferred onto the organic electroluminescent transfer object.

A process for producing an organic electroluminescent device, comprising:

• a first step of preparing an organic electroluminescent transfer medium comprising at least a support, a release layer provided on the support, and an organic electroluminescent transfer layer provided on the release layer, a transfer surface, which is the surface of the organic electroluminescent transfer medium on its organic electroluminescent transfer layer side, being formed of a pattern transfer layer that is a photo-catalyst-containing layer, subjecting the photocatalyst-containing layer to pattern-wise exposure to form a pattern based on a difference in wettability on the surface of the pattern transfer layer, and
• an organic electroluminescent transfer object comprising at least a substrate and an electrode provided on the substrate, or alternatively
• a first step of preparing an organic electroluminescent transfer medium comprising at least a support, a release layer provided on the support, and an organic electroluminescent transfer layer provided on the release layer, and
• an organic electroluminescent transfer object comprising at least a substrate and an electrode provided on the substrate, a transfer surface, which is the surface of the organic electroluminescent transfer object on its electrode side, being formed of a pattern transfer layer that is a photocatalyst-containing layer, subjecting the photocatalyst-containing layer to pattern-wise exposure to form a pattern based on a difference in wettability on the surface of the pattern transfer layer, and
• a second step of putting the organic electroluminescent transfer medium on top of the organic electroluminescent transfer object so that the transfer surface of the organic electroluminescent transfer medium is brought into intimate contact with the transfer surface of the organic electroluminescent transfer object, and heating the assembly in the state of the intimate contact of the transfer surface of the organic electroluminescent transfer medium with the transfer surface of the organic electroluminescent transfer object,
• whereby the organic electroluminescent transfer layer is transferred onto the organic electroluminescent transfer object.

A process for producing an organic electroluminescent device, comprising:

• obtaining an organic electroluminescent transfer medium and an organic electroluminescent transfer object, the electroluminescent transfer medium comprising a support, a release layer provided on the support and an organic electroluminescent transfer layer, and the organic electroluminescent transfer object comprising a substrate and an electrode provided on the substrate;
• patterning the organic electroluminescent transfer layer of the organic electroluminescent transfer medium to form a pattern based on a difference in at least one of adhesiveness and wettability;
• bringing the patterned transfer layer of the of the organic electroluminescent transfer medium into intimate contact with an electrode-side surface of the organic electroluminescent transfer object;
• and
• heating the organic electroluminescent transfer medium and the organic electroluminescent transfer object while the organic electroluminescent transfer medium and the organic electroluminescent transfer object are in intimate contact to transfer at least a portion of the patterned transfer layer onto the organic electroluminescent transfer object.

A process for producing an organic electroluminescent device, comprising:

• obtaining a first organic electroluminescent transfer medium, a second organic electroluminescent transfer medium, a third organic electroluminescent transfer medium and an organic electroluminescent transfer object:
• the first electroluminescent transfer medium comprising a first support, a first release layer provided on the first support and a first organic electroluminescent transfer layer comprising a red light-emitting organic luminescent material;
• the second electroluminescent transfer medium comprising a second support, a second release layer provided on the second support and a second organic electroluminescent transfer layer comprising a blue light-emitting organic luminescent material;
• the third electroluminescent transfer medium comprising a third support, a third release layer provided on the third support and a third organic electroluminescent transfer layer comprising a green light-emitting organic luminescent material;
• and
• the organic electroluminescent transfer object comprising a substrate and an electrode provided on the substrate;
• patterning each of the first, second and third organic electroluminescent transfer layers to form first, second and third patterns based on differences in at least one of adhesiveness and wettability;
• separately bringing each the first, second and third patterned transfer layers into intimate contact with an electrode-side surface of the organic electroluminescent transfer object;
• and
• separately heating each of the first, second and third organic electroluminescent transfer media and the organic electroluminescent transfer object, while each organic electroluminescent transfer medium is in intimate contact with the organic electroluminescent transfer object to separately transfer at least a portion of each of the first, second and third patterned transfer layers onto the organic electroluminescent transfer object.

A process for producing an organic electroluminescent device, comprising:

• obtaining an organic electroluminescent transfer medium and an organic electroluminescent transfer object, the electroluminescent transfer medium comprising a support, a release layer provided on the support and an organic electroluminescent transfer layer, and the organic electroluminescent transfer object comprising a substrate, an electrode provided on the substrate and a pattern transfer layer;
• patterning the pattern transfer layer of the organic electroluminescent transfer object to form a pattern based on a difference in at least one of adhesiveness and wettability;
• bringing the patterned pattern transfer layer of the of the organic electroluminescent transfer object into intimate contact with a transfer layer-side surface of the organic electroluminescent transfer medium;
• and
• heating the organic electroluminescent transfer medium and the organic electroluminescent transfer object while the organic electroluminescent transfer medium and the organic electroluminescent transfer object are in intimate contact to transfer at least a portion of the transfer layer of the electroluminescent transfer medium onto the patterned pattern transfer layer of the organic electroluminescent transfer object.

A process for producing an organic electroluminescent device, comprising:

• obtaining a first organic electroluminescent transfer medium, a second organic electroluminescent transfer medium, a third organic electroluminescent transfer medium and an organic electroluminescent transfer object:
• the first electroluminescent transfer medium comprising a first support, a first release layer provided on the first support and a first organic electroluminescent transfer layer comprising a red light-emitting organic luminescent material;
• the second electroluminescent transfer medium comprising a second support, a second release layer provided on the second support and a second organic electroluminescent transfer layer comprising a blue light-emitting organic luminescent material;
• the third electroluminescent transfer medium comprising a third support, a third release layer provided on the third support and a third organic electroluminescent transfer layer comprising a green light-emitting organic luminescent material;
• and
• the organic electroluminescent transfer object comprising a substrate, an electrode provided on the substrate and a pattern transfer layer;
• patterning the pattern transfer layer to form a pattern based on a difference in at least one of adhesiveness and wettability;
• separately bringing each the first, second and third patterned transfer layers into intimate contact with the patterned pattern transfer layer of the organic electroluminescent transfer object;
• and
• separately heating each of the first, second and third organic electroluminescent transfer media and the organic electroluminescent transfer object, while each organic electroluminescent transfer medium is in intimate contact with the organic electroluminescent transfer object to separately transfer at least a portion of each of the first, second and third patterned transfer layers onto the organic electroluminescent transfer object.