Patent ID: 7871757

Claim:
A laser induced thermal imaging apparatus for forming a light emitting layer of an organic light emitting device, the apparatus comprising: a substrate stage comprising a magnet, the substrate stage being adapted to receive an acceptor substrate having a pixel area of the organic light emitting device and a donor film comprising the organic light emitting layer to be imaged on the pixel area; a laser oscillator for irradiating a laser on the donor film; a contact frame adapted to be placed between the substrate stage and the laser oscillator and comprising an opening portion of a pattern corresponding to a part to be imaged of the donor film and a magnet for forming magnetic force with the substrate stage; and a contact frame moving mechanism for moving the contact frame toward the substrate stage, wherein the substrate stage and the contact frame are configured to adhere the donor film and the acceptor substrate to each other utilizing the magnetic force formed between the magnet of the substrate stage and the magnet of the contact frame, and wherein the magnet of the contact frame comprises an electromagnet.