| abstract |
The undesired portion of the layer of electroorganic material supported by the donor portion is removed or transferred from the layer by thermal transfer, in particular laser induced thermal transfer, so that the desired pattern of electroactive organic material remains in the donor portion. A method of performing thermal transfer of organic materials is disclosed. The electroactive organic material may be an organic material exhibiting electroluminescence, charge transfer, charge injection, electrical conductivity, semiconductivity, and / or exciton blocking. The layer of electroactive organic material may comprise one or more layers of various types of electroactive organic material. The exposure pattern is the negative of the desired pattern. Therefore, the electroactive organic material of the desired pattern is not exposed to heat which can cause decomposition. The desired pattern of electroactive organic material can be transferred, for example, without damage to the electroactive organic material by lamination from the donor portion to the desired substrate. Substrates can be used to form organic electronic devices such as light emitting displays, photodetectors and photovoltaic cells. A donor portion for use in the method is also disclosed. |