Display panel with LTPO TFT having top-gate oxide TFT and manufacturing method thereof
US11923380B2 · kind B2 · utility
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7Claims
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Key dates
| Filing date | Nov 12, 2020 |
| Grant date | Mar 5, 2024 |
| Priority date | — |
| Expiry date | Jul 2, 2041 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH10D86/481
Abstract
A display panel and a manufacturing method thereof are provided. The display panel includes a base substrate, a first active layer, a first gate insulating layer, a first gate layer, and a second gate insulating layer stacked in sequence on the base substrate, and a metal layer, a first interlayer dielectric layer, a first source, and a first drain. A first metal portion and a second metal portion of the metal layer are respectively filled in a first through hole and a second through hole of the second gate insulating layer and are electrically connected to the first active layer.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.