Display substrate, display panel, and display apparatus
US-2024411399-A1 · Dec 12, 2024 · US
US9048147B2 · US · B2
| Field | Value |
|---|---|
| Publication number | US-9048147-B2 |
| Application number | US-201213613811-A |
| Country | US |
| Kind code | B2 |
| Filing date | Sep 13, 2012 |
| Priority date | Sep 30, 2008 |
| Publication date | Jun 2, 2015 |
| Grant date | Jun 2, 2015 |
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A display device of which frame can be narrowed and of which display characteristics are excellent is provided. In a display device including a switch portion or a buffer portion, a logic circuit portion, and a pixel portion, the pixel portion includes a first inverted staggered TFT and a pixel electrode which is connected to a wiring of the first inverted staggered TFT, the switch portion or the buffer portion includes a second inverted staggered TFT in which a first insulating layer, a semiconductor layer, and a second insulating layer are interposed between a first gate electrode and a second gate electrode, the logic circuit portion includes an inverter circuit including a third inverted staggered thin film transistor and a fourth inverted staggered thin film transistor, and the first to the fourth inverted staggered thin film transistors have the same polarity. The inverter circuit may be an EDMOS circuit.
Opening claim text (preview).
What is claimed is: 1. A semiconductor device comprising: a transistor comprising: a gate wiring over a first region of a substrate; a semiconductor layer over the gate wiring with an insulating layer interposed therebetween; a first wiring over and electrically connected to the semiconductor layer; and a second wiring over and electrically connected to the semiconductor layer; a terminal portion comprising: a first metal layer over a second region of the substrate;…
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