Micro light-emitting-diode display panel and manufacturing method thereof
The present invention provides a micro light emitting-diode display panel and a manufacturing method thereof. The first electrode contact and the second electrode contact are alternatively disposed on the base substrate of the micro light-emitting-diode display panel, and the first electrode contact and the second electrode contact are respectively connected with the bottom electrode and the connection electrode of the micro light-emitting-diode. The connection electrode is also connected with the top electrode of the micro light-emitting-diode, and the micro light-emitting-diodes can be immediately inspected after the micro-light-emitting-diode is transferred, to reduce the difficulty of detection and product repair, and to improve the product yield.
1. A micro light-emitting-diode display panel, comprising a base substrate, a plurality of sub-pixel regions disposed in an array arrangement on the base substrate, a first electrode contact and a second electrode contact alternatively disposed within each of the sub-pixel regions, and a micro light-emitting-diode disposed on the first electrode contact and the second electrode contact within each of the sub-pixel regions;
the micro light-emitting-diode comprising: a bottom electrode contacting the first electrode contact, an LED semiconductor layer disposed above the bottom electrode and contacting the bottom electrode, a top electrode disposed on the LED semiconductor layer and contacting the LED semiconductor layer, an insulation-protective layer surrounding the LED semiconductor layer, and a connection electrode disposed on the insulation-protective layer and connecting the top electrode and the second electrode contact.
2. The micro light-emitting-diode display panel according to claim 1 , further comprising: a TFT layer disposed between the base substrate, and the first electrode contact and the second electrode contact;
the TFT layer comprising: an active layer disposed on the base substrate, a gate insulating layer covering the active layer and the base substrate, a gate electrode disposed on the gate insulating layer above the active layer, an intermediate insulating layer covering the gate electrode and the gate insulating layer, a source electrode and a drain electrode disposed on the intermediate insulating layer and contacting two ends of the active layer, and a passivation layer covering the source electrode, the drain electrode and the intermediate insulating layer; the second electrode contact contacting the source electrode.
3. The micro light-emitting-diode display panel according to claim 2 , further comprising: a pixel definition layer disposed on the passivation layer and located around the micro light-emitting-diode, and a protective layer covering the passivation layer, the first electrode contact, the second electrode contact, the micro light-emitting-diode, and the pixel definition layer.