Method of Manufacturing Light Emitting Device

A method for manufacturing a light emitting device comprising:

• forming a first electrode over a surface of a substrate;
• forming a hole injecting layer over the first electrode by spin-coating method;
• and
• ejecting a solution containing a light emitting material toward the first electrode to form a light emitting layer,
• wherein the surface of the substrate is arranged to be oblique with respect to a horizontal plane at least in the ejecting step.

A method for manufacturing a light emitting device comprising:

• forming a first light emitting layer for red light, a second light emitting layer for green light, and a third light emitting layer for blue light by applying solutions under a pressure lower than atmospheric pressure;
• and
• forming a first electrode over the first light emitting layer, the second light emitting layer, and the third light emitting layer,
• wherein the first electrode has a light-transmitting property.

A method for manufacturing a light emitting device comprising:

• ejecting a first solution containing a light emitting material to form a first light emitting layer emitting red light over a substrate, ejecting a second solution containing a light emitting material to form a second light emitting layer emitting green light over the substrate, and ejecting a third solution containing a light emitting material toward a third electrode to form a third light emitting layer emitting blue light over the substrate,
• wherein the first solution is ejected from an ejection portion of a solution applying device,
• wherein the second solution is ejected from an ejection portion of the solution applying device,
• wherein the third solution is ejected from an ejection portion of the solution applying device, and
• wherein each of the first solution, and the second solution, and the third solution is ejected under a pressure lower than atmospheric pressure.

A method for manufacturing a light emitting device comprising:

• forming a first electrode, a second electrode, and a third electrode over a substrate;
• and
• ejecting a first solution containing a light emitting material to form a light emitting layer emitting red light over the first electrode, ejecting a second solution containing a light emitting material to form a second light emitting layer emitting green light over the second electrode, and ejecting a third solution containing a light emitting material toward the third electrode to form a third light emitting layer emitting blue light over the third electrode,
• wherein the first solution is ejected from a nozzle of a solution applying device,
• wherein the second solution is ejected from a nozzle of the solution applying device,
• wherein the third solution is ejected from a nozzle of the solution applying device, and
• wherein the first electrode, the second electrode, and the third electrode are heated while the first solution, the second solution, and the third solution are ejected.