Apparatus and method for providing an embedded structure and for providing an electro-optical device including the same
View Patent ↗An apparatus for providing a patterned structure includes a deposition facility for depositing an electrically conductive material on a cylindrical surface of a transfer roll, a supply facility for providing a flexible substrate with a carrier layer, a press-roll for pressing the flexible substrate with the carrier layer against the surface of the transfer roll, the press-roll being positioned in the rotation direction of the transfer roll with respect to a position where the first deposition facility deposits the substance on the transfer roll, and being arranged for embedding the deposited substance in said carrier layer, wherein the adhesion between the printed substance and the cylindrical surface of the transfer roll is less than the adhesion between the printed substance and said carrier layer, a transport facility for releasing the flexible substrate with the carrier layer embedding the substance as the patterned structure from the transfer roll.
1. Method for providing an electrically conductive structure (ECS) comprising the steps of
depositing a substance or a precursor thereof in a patterned way on a cylindrical surface of a transfer roll,
providing a flexible substrate (FS) with a carrier layer (CM),
pressing the flexible substrate (FS) with the carrier layer (CM) against the cylindrical surface of the transfer roll, therewith embedding the deposited substance in said carrier layer (CM), wherein an adhesion between the printed substance and the cylindrical surface of the transfer roll is less than an adhesion between the printed substance and said carrier layer (CM), the embedded substance forming an embedded electrically conductive structure (ECS), the carrier layer (CM) with said embedded electrically conductive structure (ECS) having a flat planar surface,
releasing the flexible substrate (FS) with the layer (CM) embedding the patterned electrically conductive structure (ECS) from the transfer roll.
2. Method for manufacturing an opto-electric device, comprising the steps of
providing an electrically conductive structure embedded in a layer on a flexible substrate according to claim 1 ,
applying a first electrode layer (EL 1 ) on the carrier layer (CM), in electrical contact with the electrically conductive structure (ECS) embedded therein,
applying an opto-electric structure (OES) on said first electrode layer (EL 1 ),
applying a second electrode layer (EL 2 ) on said opto-electric structure (OES).