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US 10,096,283 B2Granted
Display apparatus
AssigneeJapan Display Inc.
InventorsKazuyoshi Omata, Hiroyuki Kimura, Makoto Shibusawa, Hiroshi Tabatake
Life of this patent
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Abstract
According to one embodiment, a display apparatus includes a plurality of semiconductor layers, a first insulation film, a first conductive layer, a second insulation film and a display element includes a second conductive layer. The first conductive layer and the second conductive layer are opposed to each other to form a capacitance unit.
Claims5
A display device having a plurality of pixels comprising:
- a semiconductor layer;
- a first insulation film on the semiconductor layer;
- a first conductive layer on the first insulation film;
- a second insulation film on the first insulation film and the first conductive layer;
- a second conductive layer on the second insulation film;
- a third insulation film on the second insulation film and the second conductive layer;
- a third conductive layer on the third insulation film;
- and
- a partition insulation film on the third insulation film and the third conductive layer;
- each of the plurality of pixels comprises:
- a display element between a high-potential power supply line and a low-potential power supply line;
- and
- a drive transistor between the high-potential power supply line and the display element and configured to control a current value from the high-potential power supply line to the display element, wherein
- one of electrodes of the display element is formed in the third conductive layer,
- a channel of the drive transistor is formed in the semiconductor layer,
- a gate of the drive transistor is formed in the first conductive layer,
- the second conductive layer extends so as not to contact the gate, a source or a drain of the drive transistor,
- the partition insulation film covers an edge of the one of electrodes of the display element,
- the partition insulation film includes an opening exposing an upper surface of the one of electrodes of the display element,
- the second conductive layer and the gate of the drive transistor overlap via the second insulation film in a plane view,
- the second conductive layer and the one of electrodes of the display element overlap via the third insulation film in the plane view, and
- the opening, the second conductive layer, and the gate of the drive transistor overlap in the plane view.
19 more elements
Dependencies are inferred from the claim text.