Display device and manufacturing method thereof
AssigneeSamsung Display Co., Ltd.
InventorYOON HO KANG
Life of this patent
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Abstract
A display device includes: a substrate; a circuit layer disposed on the substrate; a plurality of first electrodes disposed on the circuit layer and spaced apart from each other; a pixel defining film disposed on the circuit layer and disposed to cover an area between the first electrodes in a plan view; a conductive layer disposed to overlap with the pixel defining film in the plan view; an electron functional layer disposed on the first electrodes and covering the first electrodes in the plan view and in direct contact with the conductive layer; a light-emitting layer disposed on the electron functional layer; and a second electrode disposed on the light-emitting layer.
Claims20
A display device comprising:
- a substrate;
- a circuit layer disposed on the substrate;
- a plurality of first electrodes disposed on the circuit layer and spaced apart from each other;
- a pixel defining film disposed on the circuit layer and disposed to cover an area between the first electrodes in a plan view;
- a conductive layer disposed to overlap with the pixel defining film in the plan view;
- an electron functional layer disposed on the first electrodes and covering the first electrodes in the plan view and in direct contact with the conductive layer;
- a light-emitting layer disposed on the electron functional layer;
- and
- a second electrode disposed on the light-emitting layer.
A method of manufacturing a display device, the method comprising:
- preparing a substrate defined with a light-emitting area and a non-light-emitting area;
- forming a circuit layer on the substrate;
- forming first electrodes on the circuit layer to correspond to the light-emitting area;
- forming an electron functional layer to cover the first electrodes in a plan view;
- forming a pixel defining film to correspond to the non-light-emitting area and to cover an area between the first electrodes;
- forming a conductive layer to correspond to the area between the first electrodes;
- acid treating the electron functional layer;
- forming a light-emitting layer on the electron functional layer;
- and
- forming a second electrode on the light-emitting layer.
A display device comprising:
- a substrate;
- a circuit layer disposed on the substrate;
- a plurality of first electrodes disposed on the circuit layer and spaced apart from each other;
- a pixel defining film disposed on the circuit layer and disposed to cover an area between the first electrodes in the plan view;
- a conductive layer disposed to overlap with the pixel defining film in the plan view;
- an electron functional layer disposed on the first electrodes and covering the first electrodes in the plan view;
- a light-emitting layer disposed on the first electrodes;
- and
- a second electrode disposed to face the first electrodes with the light-emitting layer between the second electrode and the first electrodes,
- wherein the conductive layer comprises at least one of an AgMg alloy or silver (Ag), and
- wherein the electron functional layer comprises:
- an electron injection layer comprising ZnO;
- and
- an electron transport layer disposed on the electron injection layer and comprising ZnMgO.
Dependencies are inferred from the claim text.