Patent ID: 11923397
Assignee: SHENZHEN CHINA STAR OPTOELECTRONICS SEMICONDUCTOR DISPLAY TECHNOLOGY CO., LTD.
Field: Semiconductors (Electrical engineering)
Classification: CPC H | IPC H

Claim 1:
2. The method as claimed in claim 1, wherein the step B further comprises:
a step b1, forming a light shielding layer on the top surface of the underlay substrate;
a step b2, forming an insulation layer on the light shielding layer and the top surface of the underlay substrate;
a step b3, forming a semiconductor film layer on the insulation layer;
a step b4, forming a second gate electrode insulation layer on the semiconductor film layer and forming a second gate electrode metal layer on the second gate electrode insulation layer; and
a step b5, forming an interlayer dielectric layer such that the interlayer dielectric layer at least covers the insulation layer, the semiconductor film layer, the second gate electrode insulation layer, and the second gate electrode metal layer;
wherein in the step b6, the drain electrode is formed on the interlayer dielectric layer; a first portion of the second source electrode/pixel electrode is located above the interlayer dielectric layer and is connected to the micro light emitting diode, a second portion of the second source electrode/pixel electrode extends through the interlayer dielectric layer and the insulation layer and is connected to the light shielding layer, a third portion of the second source electrode/pixel electrode extends through the interlayer dielectric layer and is connected to the semiconductor film layer; a portion of the drain electrode is formed on the interlayer dielectric layer, and another portion extends through the interlayer dielectric layer and is connected to the semiconductor film layer.