Organic EL light emitting device, manufacturing method therefor, and organic EL illumination device

1. A manufacturing method of an organic EL light emitting device comprising:

forming a transparent electrode film on a transparent substrate;

forming a positive electrode contact portion that is electrically connected to the transparent electrode film as a part of the transparent electrode film;

forming a negative electrode contact portion on a part of an upper side of the transparent electrode film such that the negative electrode contact portion is separated from the transparent electrode film and the positive electrode contact portion, and on a layer different from where the positive electrode contact portion is formed;

forming an insulating layer on the transparent electrode film such that a light emitting portion is opened;

forming an organic light emitting layer on the transparent electrode film and on the insulating layer; and

forming a negative electrode layer that is electrically connected to the negative electrode contact portion on the organic light emitting layer such that the negative electrode layer is separated from the transparent electrode film and the positive electrode contact portion, and further comprising:

before the forming a negative electrode contact portion,

forming a protective layer for electrically insulating the transparent electrode film and the positive electrode contact portion from the negative electrode contact portion between the transparent electrode film and the positive electrode contact portion, and the negative electrode contact portion.

2. The manufacturing method of an organic EL light emitting device according to claim 1 , wherein, in the forming a negative electrode contact portion, the negative electrode contact portion is formed at a height different from the height where the positive electrode contact portion is formed from the substrate.

3. The manufacturing method of an organic EL light emitting device according to claim 1 , comprising:

forming an auxiliary electrode on the transparent electrode film; and

forming the insulating layer on the auxiliary electrode.

4. The manufacturing method of an organic EL light emitting device according to claim 3 , wherein the forming an auxiliary electrode and the forming a positive electrode contact portion are performed at the same time.

5. The manufacturing method of an organic EL light emitting device according to claim 1 , wherein, in the forming a transparent electrode film, the transparent electrode film is formed uniformly on the substrate without patterning.

6. A manufacturing method of an organic EL light emitting device comprising:

forming a transparent electrode film on a transparent substrate:

forming a positive electrode contact portion that is electrically connected to the transparent electrode film as a part of the transparent electrode film;

forming a negative electrode contact portion on a part of an upper side of the transparent electrode film such that the negative electrode contact portion is separated from the transparent electrode film and the positive electrode contact portion;

forming an insulating layer on the transparent electrode film such that a light emitting portion is opened;

forming an organic light emitting layer on the transparent electrode film and on the insulating layer; and

forming a negative electrode layer that is electrically connected to the negative electrode contact portion on the organic light emitting layer such that the negative electrode layer is separated from the transparent electrode film and the positive electrode contact portion, and further comprising:

before the forming a negative electrode contact portion,

forming a protective layer for electrically insulating the transparent electrode film and the positive electrode contact portion from the negative electrode contact portion between the transparent electrode film and the positive electrode contact portion, and the negative electrode contact portion, and

before the forming a positive electrode contact portion,

forming the protective layer on the transparent electrode film, wherein

the negative electrode contact portion is formed on the protective layer.

7. A manufacturing method of an organic EL light emitting device comprising:

forming a transparent electrode film on a transparent substrate;

forming a positive electrode contact portion that is electrically connected to the transparent electrode film as a part of the transparent electrode film;

forming a negative electrode contact portion on a part of an upper side of the transparent electrode film such that the negative electrode contact portion is separated from the transparent electrode film and the positive electrode contact portion;

forming an insulating layer on the transparent electrode film such that a light emitting portion is opened;

forming an organic light emitting layer on the transparent electrode film and on the insulating layer; and

forming a negative electrode layer that is electrically connected to the negative electrode contact portion on the organic light emitting layer such that the negative electrode layer is separated from the transparent electrode film and the positive electrode contact portion, and further comprising:

after the forming of the transparent electrode film and before the forming of a negative electrode contact portion,

forming a protective layer for electrically insulating the transparent electrode film and the positive electrode contact portion from the negative electrode contact portion between the transparent electrode film and the positive electrode contact portion, and the negative electrode contact portion.