Patent ID: 8048617

Claim:
A method for manufacturing a patterned thin-film layer, comprising the steps of: providing a substrate with a plurality of banks thereon, the plurality of banks defining a plurality of spaces therein for receiving ink therein, each of the banks having a top surface and a plurality of side surface adjacent to the top surface; irradiating the plurality of banks with UV light beams to increase a surface wettability of the banks, wherein the UV light beams are emitted along a direction perpendicular to the top surface of the banks and then reflected by a reflector to be obliquely incident on the top surfaces of the banks, and less light energy is received by the top surfaces than the side surfaces, comparing with irradiating the top surfaces perpendicularly to the top surfaces, such that the surface wettability of the top surfaces is lower than that of the side surfaces of the banks; applying ink into the spaces to form a plurality of ink layers, and when a first ink layer overflows to the top surface of the banks, the first ink layer having a higher surface tension and weaker surface wettability is not prone to flow to an adjacent second ink layer, thereby preventing adjacent ink layers from mixing; and curing the ink so as to form a patterned thin-film layer on the substrate.