Method for manufacturing organic EL display and organic EL display
View Patent ↗A method for manufacturing an organic electroluminescence display including multilayer structures that are each formed in a respective one of pixel areas in an effective area of a substrate and are each formed by a lower electrode, an organic layer, and an upper electrode, the organic electroluminescence display having a common electrode that electrically connects the pixel areas, the method including the steps of: forming a protective electrode and an outer-peripheral electrode that are electrically connected to the common electrode; forming the multilayer structures; and carrying out film deposition treatment involving electrification of the substrate.
1. An organic electroluminescent display apparatus, comprising:
a substrate;
a light emission region comprising a plurality of anodes, a plurality of organic layers, and a cathode;
a peripheral region provided around a peripheral area of the light emission region, the peripheral region including a plurality of terminals for input of power or other signals;
a film covering an upper face of the cathode; and
an electrode electrically connected to the cathode and disposed within a portion of the peripheral region,
wherein,
the electrode is connected to the cathode via at least one of the plurality of terminals, and
the electrode is disposed between an edge of the substrate and the one of the plurality of terminals.
2. The organic electroluminescent display apparatus of claim 1 , further comprising a wiring formed in the same layer as the anode, wherein the wiring is provided between two anodes of the plurality of anodes.
3. The organic electroluminescent display apparatus of claim 1 , further comprising a wiring comprising silver or an alloy thereof, wherein the wiring is provided between two anodes of the plurality of anodes.
4. The organic electroluminescent display apparatus of claim 3 , the film is directly formed on the cathode.
5. The organic electroluminescent display apparatus of claim 3 , wherein the anode comprises in order:
a first anode layer comprising a metal compound or a conductive oxide;
a second anode layer that is a reflective layer; and
a third anode layer comprising a metal compound or a conductive oxide, wherein the thickness of the first anode layer is between about 5-100 nm, the thickness of the second anode layer is between about 50-500 nm, and the thickness of the third anode layer is between about 3-50 nm.
6. The organic electroluminescent display apparatus of claim 5 , wherein the first anode layer comprises indium tin oxide, the second anode layer comprises silver or an alloy thereof, and the third anode layer comprises indium tin oxide.
7. The organic electroluminescent display apparatus of claim 3 , wherein the electrode is configured to conduct charge, generated by formation of the film, to a region outside of the peripheral region.
8. The organic electroluminescent display apparatus of claim 3 , wherein the terminal includes a region exposed from an insulating film.
9. The organic electroluminescent display apparatus of claim 8 , wherein the electrode is disposed between the region and an edge of the substrate.
10. The organic electroluminescent display apparatus of claim 1 , wherein the cathode covers the plurality of anodes.
11. An electronic equipment comprising the organic electroluminescent display apparatus of claim 1 .
12. An organic electroluminescent display apparatus, comprising:
a substrate;
an first interconnect;
a insulating film formed on the first interconnect;
a second interconnect formed on the insulating film;
a plurality of anodes formed on the insulating film;
a cathode formed on the plurality of anodes;
a film directly formed on the cathode;
a terminal including a region exposed from the insulating film; and
an electrode disposed between the region and an edge of the substrate,
wherein the electrode is electrically connected to the cathode via the terminals, the first interconnect, and the second interconnect.
13. The organic electroluminescent display apparatus of claim 12 , further comprising a wiring formed in the same layer as the anode.
14. The organic electroluminescent display apparatus of claim 12 , further comprising a wiring comprising silver or an alloy thereof, wherein the wiring is provided between two anodes of the plurality of anodes.
15. The organic electroluminescent display apparatus of claim 14 , the film is directly formed on the cathode.
16. The organic electroluminescent display apparatus of claim 14 , wherein the anode comprises in order:
a first anode layer comprising a metal compound or a conductive oxide;
a second anode layer that is a reflective layer; and
a third anode layer comprising a metal compound or a conductive oxide, wherein the thickness of the first anode layer is between about 5-100 nm, the thickness of the second anode layer is between about 50-500 nm, and the thickness of the third anode layer is between about 3-50 nm.
17. The organic electroluminescent display apparatus of claim 16 , wherein the first anode layer comprises indium tin oxide, the second anode layer comprises silver or an alloy thereof, and the third anode layer comprises indium tin oxide.
18. The organic electroluminescent display apparatus of claim 14 , wherein the electrode is configured to conduct charge, generated by formation of the film, to a region outside of the peripheral region.
19. The organic electroluminescent display apparatus of claim 14 , wherein the first interconnect includes aluminum and the second interconnect includes silver.
20. An electronic equipment comprising the organic electroluminescent display apparatus of claim 12 .