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US 12,646,464 B2Granted
Display apparatus
AssigneeMagnolia White Corporation
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.
Claims20
A display device including a plurality of pixels, the display device comprising:
- a semiconductor layer;
- a first insulation layer on the semiconductor layer;
- a first conductive layer on the first insulation layer;
- a second insulation layer on the first insulation layer and the first conductive layer;
- a second conductive layer on the second insulation layer;
- a third insulation layer on the second insulation layer and the second conductive layer;
- a third conductive layer on the third insulation layer;
- and
- a partition insulation layer on the third insulation layer and the third conductive layer,
- wherein
- each of the plurality of pixels includes a display element and a drive transistor,
- the display element includes a pixel electrode and a counter electrode opposed to the pixel electrode,
- the drive transistor includes a gate, a source, and a drain,
- the pixel electrode of the display element is formed in the third conductive layer,
- a channel of the drive transistor is formed in the semiconductor layer,
- the gate of the drive transistor is formed in the first conductive layer,
- the third insulation layer includes a contact hole in which the pixel electrode of the display element is electrically connected to one of the source and the drain of the drive transistor,
- no part of the second conductive layer overlaps with the contact hole in a plane view, and
- said no part of the second conductive layer is electrically connected to the pixel electrode of the display element of each of the plurality of pixels.
16 more elements
A display device including a plurality of pixels, the display device comprising:
- a semiconductor layer;
- a first insulation layer on the semiconductor layer;
- a first conductive layer on the first insulation layer;
- a second insulation layer on the first insulation layer and the first conductive layer;
- a second conductive layer on the second insulation layer;
- a third insulation layer on the second insulation layer and the second conductive layer;
- a third conductive layer on the third insulation layer;
- and
- a partition insulation layer on the third insulation layer and the third conductive layer,
- wherein
- each of the plurality of pixels includes a display element and a drive transistor,
- the display element includes a pixel electrode and a counter electrode opposed to the pixel electrode,
- the drive transistor includes a gate, a source, and a drain,
- the pixel electrode of the display element is formed in the third conductive layer,
- a channel of the drive transistor is formed in the semiconductor layer,
- the gate of the drive transistor is formed in the first conductive layer,
- the third insulation layer includes a contact hole in which the pixel electrode of the display element is electrically connected to one of the source and the drain of the drive transistor,
- no part of the second conductive layer overlaps with the contact hole in a plane view, and
- the pixel electrode of the display element, the second conductive layer, and the gate of the drive transistor in each of the plurality of pixels overlap with each other in the plane view.
16 more elements
A display device including a plurality of pixels, the display device comprising:
- a semiconductor layer;
- a first insulation layer on the semiconductor layer;
- a first conductive layer on the first insulation layer;
- a second insulation layer on the first insulation layer and the first conductive layer;
- a second conductive layer on the second insulation layer;
- a third insulation layer on the second insulation layer and the second conductive layer;
- a third conductive layer on the third insulation layer;
- and
- a partition insulation layer on the third insulation layer and the third conductive layer,
- wherein
- each of the plurality of pixels includes a display element and a drive transistor,
- the display element includes a pixel electrode and a counter electrode opposed to the pixel electrode,
- the drive transistor includes a gate, a source, and a drain,
- the pixel electrode of the display element is formed in the third conductive layer,
- a channel of the drive transistor is formed in the semiconductor layer,
- the gate of the drive transistor is formed in the first conductive layer,
- the third insulation layer includes a contact hole in which the pixel electrode of the display element is electrically connected to one of the source and the drain of the drive transistor,
- no part of the second conductive layer overlaps with the contact hole in a plane view,
- the partition insulation layer includes an opening exposing a part of an upper surface of the pixel electrode of the display element of each of the plurality of pixels, and
- the opening of the partition insulation layer, the second conductive layer, and the gate of the drive transistor in each of the plurality of pixels overlap with each other in the plane view.
17 more elements
Dependencies are inferred from the claim text.