US 10,896,646 B2 · Electroluminescent display apparatus

Abstract

An electroluminescent display apparatus includes a plurality of unit circuits, each of the plurality of unit circuits including a connection electrode and a driving thin film transistor (TFT), the connection electrode of each of the plurality of unit circuits electrically connected to a gate electrode of the driving TFT included in the unit circuit, a plurality of anode electrodes, each of the plurality of anode electrodes connected to the driving TFT of a corresponding unit circuit, a bank covering an edge of each of the plurality of anode electrodes, the bank defining an emission area for each anode electrode, a light emitting layer on each of the plurality of anode electrodes, and a cathode electrode on the light emitting layer. Each of the plurality of anode electrodes overlaps the gate electrode of the driving TFT and the connection electrode of a corresponding one of the plurality of unit circuits.

Claims23

Dependent claims

An electroluminescent display apparatus comprising:

a plurality of unit circuits, each of the plurality of unit circuits including a connection electrode and a driving thin film transistor TFT, the connection electrode of each of the plurality of unit circuits electrically connected to a gate electrode of the driving TFT included in the unit circuit;
a plurality of anode electrodes, each of the plurality of anode electrodes connected to the driving TFT of a corresponding unit circuit of the plurality of unit circuits;
a bank covering an edge of each of the plurality of anode electrodes, the bank defining an emission area for each anode electrode;
a light emitting layer on each of the plurality of anode electrodes;
and
a cathode electrode on the light emitting layer,
wherein each of the plurality of anode electrodes overlaps the gate electrode of the driving TFT and the connection electrode of a corresponding one of the plurality of unit circuits.

4 more elements

An electroluminescent display apparatus comprising:

a first unit circuit including a first driving thin film transistor (TFT) and a second unit circuit including) a second driving TFT;
a first anode electrode electrically connected to the first driving TFT of the first unit circuit;
a second anode electrode electrically connected to the second driving TFT of the second unit circuit;
a bank covering an edge of the first anode electrode and an edge of the second anode electrode, the bank defining a first emission area of the first anode electrode and a second emission area of the second anode electrode;
a light emitting layer on the first anode electrode and the second anode electrode;
and
a cathode electrode on the light emitting layer,
wherein the first anode electrode and the first emission area overlap the first unit circuit and the second unit circuit, and the first anode electrode overlaps a gate electrode of the first driving TFT of the first unit circuit, but does not overlap a gate electrode of the second driving TFT of the second unit circuit.

5 more elements

Dependencies are inferred from the claim text.

Electroluminescent display apparatus

Life of this patent

Electroluminescent display apparatus

Life of this patent

Abstract

Claims23