Patent · US Active

Display substrate, preparation method thereof, and display apparatus

US12433109B2 · kind B2 · utility

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19Claims
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Key dates

Filing dateApr 28, 2021
Grant dateSep 30, 2025
Priority date
Expiry dateJul 25, 2041

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH10K59/8731

Abstract

Provided are a display substrate, a preparation method thereof and a display apparatus. The display substrate includes a first semi-conductive layer, a first conductive layer, a second conductive layer, a second semi-conductive layer, a third conductive layer, an interlayer insulating layer and an organic layer stacked on a substrate. The first semi-conductive layer includes an active layer of a polysilicon transistor, the first conductive layer includes a gate electrode of a polysilicon transistor and a first electrode plate of a storage capacitor, the second conductive layer includes a second electrode plate of a storage capacitor, the second semi-conductive layer includes an active layer of an oxide transistor, and the third conductive layer includes a gate electrode of an oxide transistor.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.