Organic light-emitting diode display substrate, method of manufacturing the same, and display apparatus
An organic light-emitting diode display substrate, a method of manufacturing the same, and a display apparatus are provided. The organic light-emitting diode display substrate includes: a base substrate; a pixel defining layer on the base substrate and defining a plurality of pixel regions, wherein a first electrode, a second electrode and an organic light-emitting functional layer between the first electrode and the second electrode are disposed in each of at least two adjacent ones of the plurality of pixel regions; and a conducting wire on the pixel defining layer and configured to connect the second electrodes located in the at least two adjacent pixel regions.
1. An organic light-emitting diode display substrate, comprising:
a base substrate;
a pixel defining layer on the base substrate and defining a plurality of pixel regions, wherein a first electrode, a second electrode and an organic light-emitting functional layer between the first electrode and the second electrode are disposed in each of at least two adjacent ones of the plurality of pixel regions; and
a conducting wire on the pixel defining layer and configured to connect the second electrodes located in the at least two adjacent pixel regions,
wherein the second electrodes in the at least two adjacent pixel regions are separated from each other.
2. The organic light-emitting diode display substrate of claim 1 , wherein:
an orthogonal projection of each of the second electrodes in the at least two adjacent pixel regions on the base substrate coincides partially with an orthogonal projection of the conducting wire on the base substrate.
3. The organic light-emitting diode display substrate of claim 1 , wherein:
a material of the conducting wire is the same as a material of the second electrodes, or
the material of the conducting wire has lower resistivity than the material of the second electrodes.
4. The organic light-emitting diode display substrate of claim 3 , wherein:
the conducting wire has a greater thickness than the second electrodes.
5. The organic light-emitting diode display substrate of claim 1 , wherein:
orthogonal projections of the second electrode and the organic light-emitting functional layer in each of the at least two adjacent pixel regions on the base substrate coincide with each other.
6. The organic light-emitting diode display substrate of claim 1 , wherein:
the plurality of pixel regions are arranged at intervals in an array, and the first electrode, the second electrode and the organic light-emitting functional layer between the first electrode and the second electrode are disposed in each of the plurality of pixel regions.
7. The organic light-emitting diode display substrate of claim 6 , wherein:
the conducting wire comprises a plurality of first conducting wires, and each of the plurality of first conducting wires is located between two adjacent columns of pixel regions of the plurality of pixel regions, and is electrically connected to the second electrode in each of the two adjacent columns of pixel regions.
8. The organic light-emitting diode display substrate of claim 6 , wherein:
the conducting wire comprises a plurality of second conducting wires, and each of the plurality of second conducting wires is located between two adjacent rows of pixel regions of the plurality of pixel regions, and is electrically connected to the second electrode in each of the two adjacent rows of pixel regions.
9. The organic light-emitting diode display substrate of claim 6 , wherein:
the conducting wire has a mesh shape, defines a plurality of openings each corresponding to one of the plurality of pixel regions, and is electrically connected to the second electrode in each of the plurality of pixel regions.
10. The organic light-emitting diode display substrate of claim 1 , wherein:
the first electrode comprises an anode, and the second electrode comprises a cathode.
11. A display apparatus comprising:
the organic light-emitting diode display substrate of claim 1 .
12. A method of manufacturing an organic light-emitting diode display substrate, the method comprising:
sequentially forming a first electrode layer and a pixel defining layer on a base substrate, wherein the first electrode layer comprises a plurality of first electrodes, the pixel defining layer defines a plurality of pixel regions, and in each of at least two adjacent ones of the plurality of pixel regions, one of the plurality of first electrodes is disposed;
sequentially forming an organic light-emitting functional layer and a second electrode on the first electrode in each of the at least two adjacent pixel regions; and
forming a conducting wire on the pixel defining layer, wherein the conducting wire is configured to connect the second electrodes located in the at least two adjacent pixel regions,
wherein the second electrodes in the at least two adjacent pixel regions are separated from each other.
13. The method of claim 12 , wherein:
an orthogonal projection of the second electrode in each of the at least two adjacent pixel regions on the base substrate coincides partially with an orthogonal projection of the conducting wire on the base substrate.
14. The method of claim 12 , wherein:
the conducting wire is formed of a same material as the second electrodes, or
a material of the conducting wire has lower resistivity than a material of the second electrodes.
15. The method of claim 14 , wherein:
the conducting wire has a greater thickness than the second electrodes.
16. The method of claim 12 , wherein:
the organic light-emitting functional layer and the second electrode in each of the at least two adjacent pixel regions are formed by means of a same mask.