Patent ID: 8101432

Claim:
A method of repairing an image display unit, the method comprising: arraying light emitting devices on a substrate; electrically connecting the light emitting devices to wiring lines connected to a drive circuit, thereby mounting the light emitting devices on the substrate; detecting a defective light emitting device; cutting the wiring lines to electrically isolate the defective light emitting device; mounting a repair light emitting device at a position corresponding to a position of the defective light emitting device, wherein the repair light emitting device includes electrical contacts on a bottom portion of the repair light emitting device that are electrically connected to the wiring lines, a respective portion of the wiring lines being located at a respective position nearer to a drive circuit side than a respective cut-off portion of the wiring lines; forming a protective layer over the wiring lines, the defective light emitting device and the repair light emitting device; further comprising forming a mask over portions of the protective layer; wherein the mask includes at least an opening about the repair device, and wherein the repair light emitting device is mounted above cut portions of the wiring lines such that the electrical contacts are positioned between the repair light emitting device and the defective light emitting device.