Organic electroluminescence display unit, method of manufacturing organic electroluminescence display unit, and color filter substrate
View Patent ↗A display device includes a first electrode, an organic layer including a light emitting region, and a second electrode. The display device also includes a conductive layer electrically connected to the second electrode and including an opening corresponding to the light emitting region.
1. A display device comprising:
a device substrate including a light emitting element formed thereon, and a counter substrate opposed to the device substrate;
an organic layer including a light emitting region, a first electrode formed between the organic layer and the device substrate, and a second electrode formed between the organic layer and the counter substrate; and
a conductive layer formed on the counter substrate, electrically connected to the second electrode, and including an opening corresponding to the light emitting region,
wherein the conductive layer is a laminate film including an inorganic light-shielding layer and a low-resistance layer,
wherein at least one color filter layer selected from a red color filter layer, a green color filter layer, and a blue color filter layer is formed in the opening,
wherein the conductive layer is a laminate film including an inorganic light-shielding layer and a low-resistance layer, and at least a portion of the color filter layer is formed to overlap an edge of the low-resistance layer,
wherein a conductive film is formed on the color filter layer and the low resistance layer, and
further comprising an overcoat layer formed between the conductive film and the color filter layer, and formed between the low-resistance layer and the inorganic light-shielding layer.
2. The display device according to claim 1 , wherein a conductive film electrically connects the conductive layer to the second electrode.
3. The display device according to claim 2 , wherein the conductive layer and at least a portion of the conductive film are spaced apart from the second electrode.
4. The display device according to claim 2 , wherein an adhesive sealing layer is formed between portions of the conductive film and the second electrode.
5. The display device according to claim 2 , wherein the conductive film is formed on a CF/BM layer including at least one of a color filter and a black matrix.
6. The display device according to claim 2 , wherein a pillar is formed between the conductive film and conductive layer, the pillar extending between the conductive layer and the second electrode and being configured so that a portion of the conductive film formed on a distal portion of the pillar contacts the second electrode.
7. The display device according to claim 6 , wherein the pillar has elasticity.
8. The display device according to claim 1 , wherein the inorganic light-shielding layer is selected from the group consisting of a three-layer laminate film of SiN/a-Si(amorphous silicon)/Mo and a four-layer laminate film of MoO x /Mo/MoO x /Mo, where in either film the outer Mo layer is closest to a low-resistance layer side.
9. The display device according to claim 1 , wherein an electrical resistivity of the low-resistance layer is lower than an electrical resistivity of the second electrode.
10. The display device according to claim 9 , wherein the low-resistance layer includes at least one inorganic film having a lower resistivity than Mo.
11. The display device according to claim 1 , further comprising a resin light-shielding layer disposed to cover an inner wall in the opening of the conductive layer.
12. The display device according to claim 11 , wherein the resin light-shielding layer is disposed to further cover at least a portion of a surface of the conductive layer facing the second electrode.
13. A display apparatus comprising:
a display device including
a device substrate including a light emitting element formed thereon, and a counter substrate opposed to the device substrate,
an organic layer including a light emitting region, a first electrode formed between the organic layer and the device substrate, and a second electrode formed between the organic layer and the counter substrate, and
a conductive layer formed on the counter substrate, electrically connected to the second electrode, and including an opening corresponding to the light emitting region,
wherein the conductive layer is a laminate film including an inorganic light-shielding layer and a low-resistance layer,
wherein at least one color filter layer selected from a red color filter layer, a green color filter layer, and a blue color filter layer is formed in the opening,
wherein the conductive layer is a laminate film including an inorganic light-shielding layer and a low-resistance layer, and at least a portion of the color filter layer is formed to overlap an edge of the low-resistance layer,
wherein a conductive film is formed on the color filter layer and the low resistance layer, and
further comprising an overcoat layer formed between the conductive film and the color filter layer, and formed between the low-resistance layer and the inorganic light-shielding layer.
14. An electronic device comprising:
a display device including
a device substrate including a light emitting element formed thereon, and a counter substrate opposed to the device substrate,
an organic layer including a light emitting region, a first electrode formed between the organic layer and the device substrate, and a second electrode formed between the organic layer and the counter substrate, and
a conductive layer formed on the counter substrate, electrically connected to the second electrode, and including an opening corresponding to the light emitting region,
wherein the conductive layer is a laminate film including an inorganic light-shielding layer and a low-resistance layer,
wherein at least one color filter layer selected from a red color filter layer, a green color filter layer, and a blue color filter layer is formed in the opening,
wherein the conductive layer is a laminate film including an inorganic light-shielding layer and a low-resistance layer, and at least a portion of the color filter layer is formed to overlap an edge of the low-resistance layer,
wherein a conductive film is formed on the color filter layer and the low resistance layer, and
further comprising an overcoat layer formed between the conductive film and the color filter layer, and formed between the low-resistance layer and the inorganic light-shielding layer.