Organic light emitting diode including electrode structure formed of transparent electrode and light emitting layer and manufacturing method thereof

A manufacturing method of an organic light emitting diode, comprising:

• forming a light emitting structure;
• and
• forming a first electrode structure, the first electrode structure being configured to drive the light emitting structure to emit light,
• and the first electrode structure comprising:
• a first electrode, in a single layer structure formed of a conductive material;
• and
• a light reflecting layer, formed on a side of the first electrode away from the light emitting structure, and configured to reflect light emitted by the light emitting structure toward the light emitting structure,
• wherein the first electrode and a portion of the light reflecting layer are overlapped with each other in a first direction, an insulating layer is at least partially disposed between the at least portion of the light reflecting layer and the first electrode overlapped with each other, and the first direction is perpendicular to a plane on which the light reflecting layer is located,
• the first electrode structure further comprises a transition layer, the transition layer is disposed on a side of the light reflecting layer away from the first electrode, and the transition layer is adjacent and conformal to the light reflecting layer,
• the insulating layer comprises a first planar layer,
• a portion of a space between the at least portion of the light reflecting layer and the first electrode overlapped with each other is disposed with the first planar layer, the light reflecting layer comprises a first portion which is overlapped and insulated with the first electrode in the first direction and a second portion which is electrically connected to the first electrode, the insulating layer is disposed between the first portion and the first electrode, a second interval is located between the first portion and the second portion,
• the thin film transistor comprises a source electrode and a drain electrode, the first planar layer comprises a first via hole, the second portion is at least partially located in the first via hole, and the first electrode is electrically connected to the source electrode or the drain electrode by the second portion through the first via hole,
• the first electrode structure further comprises a second planar layer, and the second planar layer is disposed on a side of the transition layer or the light reflecting layer away from the first planar layer,
• the second planar layer comprises a second via hole,
• at least portion of the second portion, at least portion of the transition layer and at least portion of the first electrode are located in the second via, and
• the second portion, the transition layer and the first electrode are electrically connected.