Organic EL element, organic EL display panel using same, and organic EL display panel manufacturing method

1. An organic EL element, comprising:

a substrate;

a thin film transistor disposed in the substrate;

a pixel electrode layer disposed on the substrate, the pixel electrode layer including a light-reflective material;

banks disposed on the substrate and on the pixel electrode layer, covering edge portions of the pixel electrode layer and a portion of a contact region of the pixel electrode layer, the contact region being for electrically connecting the pixel electrode layer;

a light-emitting layer disposed above the pixel electrode layer, wherein the light-emitting layer extends continuously in a column direction above the banks and is interrupted by the banks in a row direction;

an opposing electrode layer disposed above the light-emitting layer, the opposing electrode layer including a light-transmissive material; and

a light-shielding layer including a column light-shielding layer that extends in the column direction and a row light-shielding layer that extends in the row direction, and disposed higher than the pixel electrode layer, the light-shielding layer overlapping the edge portions of the pixel electrode layers, wherein:

a source or a drain of the thin-film transistor is connected to the pixel electrode layer via a connecting recess in which a portion of the pixel electrode layer is recessed in a direction of the substrate,

in a plan view of the substrate, the light-shielding layer does not completely overlap the contact region,

a width in the row direction of the column light-shielding layer is greater than a distance in the row direction between adjacent ones of the pixel electrode layers, and a width in the column direction of the row light-shielding layer is greater than a distance in the column direction between adjacent ones of the pixel electrode layers,

any two light-emitting layers disposed in intervals between row banks that are adjacent to each other in the column direction emit the same color of light, and

the light-shielding layer is formed between each pixel electrode and does not overlap the connecting recess.

2. The organic element of claim 1 , further comprising:

a plurality of pixels arranged in a row direction and a column direction in a matrix;

a plurality of thin-film transistors arranged in the row direction and the column direction in a matrix in the substrate, in positions corresponding to the pixels, wherein

in the plan view of the substrate, row light-shielding layers do not overlap with the connecting recesses.

3. The organic EL element of claim 1 , wherein

the light-emitting layer emits light of a different color than adjacent light-emitting layers disposed in adjacent intervals between the banks.

4. The organic EL element of claim 1 , further comprising:

an upper substrate disposed above the opposing electrode, the upper substrate including a light-transmissive material, wherein

the light-shielding layer is disposed in direct contact with the upper substrate.

5. The organic EL element of claim 1 , further comprising:

column banks disposed on the substrate and on the pixel electrode layer,

wherein the light-shielding layer is disposed on an upper surface of the column banks.

6. The organic EL element of claim 1 , wherein

the light-shielding layer is disposed on an upper surface of the banks.

7. The organic EL element of claim 1 , further comprising:

a hole injection layer disposed on the pixel electrode layer.

8. The organic EL element of claim 7 , further comprising:

a hole transport layer disposed on the hole injection layer, wherein an upper surface of the hole injection layer contacts a lower surface of the hole transport layer.

9. The organic EL element of claim 1 , wherein the light-shielding layer includes a resin material including an ultraviolet light curable resin.

10. An organic EL element comprising:

a substrate;

a thin film transistor disposed in the substrate;

a pixel electrode layer disposed on the substrate, the pixel electrode layer including a light-reflective material;

banks disposed on the substrate and on the pixel electrode layer, covering edge portions of the pixel electrode layer, wherein the banks include a row bank linearly extending in a row direction and a column bank linearly extending in a column direction;

a light-emitting layer disposed above the pixel electrode layer, wherein the light-emitting layer extends continuously in the column direction above the banks and is interrupted by the banks in the row direction;

an opposing electrode layer disposed above the light-emitting layer, the opposing electrode layer including a light-transmissive material; and

a light-shielding layer including a column light-shielding layer that extends in the column direction and a row light-shielding layer that extends in the row direction, and disposed higher than the pixel electrode layer, the light-shielding layer overlapping the edge portions of the pixel electrode layers, wherein:

a source or a drain of the thin-film transistor is connected to the pixel electrode layer via a connecting recess in which a portion of the pixel electrode layer is recessed in a direction of the substrate,

a portion of the row bank covering the connecting recess,

in a plan view of the substrate, the light-shielding layer partially overlaps the row bank,

any two light-emitting layers disposed in intervals between row banks that are adjacent to each other in the column direction emit the same color of light, and

the light-shielding layer is formed between each pixel electrode and does not overlap the connecting recess.

11. The organic EL element of claim 10 , wherein the banks include a material having insulating properties.

12. The organic EL element of claim 10 , wherein the portion of the row bank entirely covers the connecting recess.

13. The organic EL element of claim 10 , wherein the light-emitting layer is disposed above the row bank.