Laser thermal transfer from a donor element containing a hole-transporting layer

摘要

A donor element (10) adapted for use in making an OLED device, includes a donor support substrate (14); a light-absorbing layer (16) disposed over the substrate which, in response to light, produces heat; an emissive layer (18) disposed over the light-absorbing layer (16); and a hole-transporting layer (20) disposed over the emissive layer (18) such that when the donor element is positioned in a transfer relationship with the OLED device and when light is absorbed by the light-absorbing layer, heat is produced that causes the vaporization transfer across a gap, of hole-transporting materials and emissive materials to the OLED device.