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US 2021/0280815 A1Published application
Organic Light-Emitting Diode Display Device and Manufacturing Method Thereof
AssigneeDB HiTek Co., Ltd.
InventorsYoung-Jin KIM, Dae-Il KIM, Dong-Hoon PARK, Hye-Rim EUN
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Abstract
Provided is an organic light-emitting diode display device (100) in which an anode electrode (134) extends to cover sides of a reflective metal (131) below the anode electrode (134).
Claims18
An organic light-emitting diode display device, comprising:
- a lower insulation film covering a semiconductor layer;
- a lower metal layer on the lower insulation film in each pixel area;
- an interlayer insulation film covering the lower metal layer;
- a first electrode on the interlayer insulation film in each said pixel area;
- an organic emission layer on the first electrode;
- and
- a common electrode on the organic emission layer,
- wherein the first electrode comprises a reflective electrode on the interlayer insulation film, a dielectric layer on the reflective electrode, and an anode electrode covering an upper part of the dielectric layer and sidewalls of the reflective electrode.
5 more elements
A manufacturing method of an organic light-emitting diode display device, the method comprising:
- forming a lower metal layer in each pixel area on a lower insulation film;
- depositing an interlayer insulation film on the lower insulation film and the lower metal layer to cover the lower metal layer;
- forming a buffer electrode, a reflective electrode, and a dielectric layer sequentially on the interlayer insulation film in each pixel area;
- depositing a first metal or conductive metal nitride on the dielectric layer, exposed sides of the interlayer insulation film, and sidewalls of the reflective electrode;
- forming an anode electrode by patterning and etching the first metal or conductive metal nitride;
- forming an organic emission layer on the anode electrode;
- and
- forming a cathode electrode on the organic emission layer.
5 more elements
A manufacturing method of an organic light-emitting diode display device, the method comprising:
- forming a lower metal layer in each pixel area on a lower insulation film;
- depositing an interlayer insulation film on the lower insulation film and the lower metal layer to cover the lower metal layer;
- forming a reflective electrode and a dielectric layer sequentially on the interlayer insulation film in each pixel area;
- depositing a first metal or conductive metal nitride on the dielectric layer, on exposed sides of the interlayer insulation film, and sidewalls of the reflective electrode;
- forming the anode electrode in each pixel area by patterning and etching the first metal or conductive metal nitride so that the anode electrode extends continuously along an upper surface of the dielectric layer and the sidewalls of the reflective electrode;
- forming an organic emission layer on the anode electrode;
- and
- forming a cathode electrode on the organic emission layer.
5 more elements
A manufacturing method of an organic light-emitting diode display device, the method comprising:
- forming a lower metal layer in each pixel area on a lower insulation film;
- depositing an interlayer insulation film on the lower insulation film and the lower metal layer to cover the lower metal layers;
- forming a reflective electrode and a dielectric layer sequentially on the interlayer insulation film in each pixel area;
- depositing a first metal or conductive metal nitride on the dielectric layer, exposed sides of the interlayer insulation film, and sidewalls of the reflective electrode;
- simultaneously forming an anode electrode in each pixel area and a trench in the interlayer insulation film at each boundary between adjacent ones of the pixel areas by a process comprising patterning and etching the first metal or conductive metal nitride, wherein the anode electrode extends continuously along an upper surface of the dielectric layer, the sidewalls of the reflective electrode, and an upper surface of the interlayer insulation film to the trench;
- forming an organic emission layer on the anode electrode;
- and
- forming a cathode electrode on the organic emission layer.
5 more elements
Dependencies are inferred from the claim text.