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US 12,663,685 B2Granted
Display device
AssigneeJapan Display Inc.
InventorHirotaka Hayashi
Life of this patent
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Abstract
According to one embodiment, an electrophoretic display device includes an array substrate including a base material, a common electrode on the base material, a plurality of pixel electrodes provided to face the common electrode, and an insulating layer provided between the common electrode and the pixel electrodes, a counter-substrate facing the array substrate, an electrophoretic layer including a plurality of electrophoretic elements and disposed between the array substrate and the counter-substrate, and a drive unit which drives the electrophoretic elements by a lateral electric field generated between the pixel electrodes and the common electrode.
Claims19
An electrophoretic display device comprising:
- an array substrate including a base material, a common electrode provided on the base material, a plurality of pixel electrodes provided to face the common electrode, and an insulating layer provided between the common electrode and the pixel electrodes;
- a counter-substrate facing the array substrate;
- an electrophoretic layer including a plurality of electrophoretic elements and disposed between the array substrate and the counter-substrate;
- a drive unit which drives the electrophoretic elements by a lateral electric field generated between the pixel electrodes and the common electrode;
- and
- a display region including a plurality of pixels arrayed in a matrix,
- wherein the common electrode is provided over the plurality of pixels,
- the pixel electrodes are arrayed in a matrix, and in one pixel, at least a part of the pixel electrode faces the common electrode in plan view, and
- in one pixel, the common electrode includes an opening, and the pixel electrode faces the opening in plan view.
6 more elements
An electrophoretic display device comprising:
- an array substrate including a base material, a common electrode provided on the base material, a plurality of pixel electrodes provided to face the common electrode, and an insulating layer provided between the common electrode and the pixel electrodes;
- a counter-substrate facing the array substrate;
- an electrophoretic layer including a plurality of electrophoretic elements and disposed between the array substrate and the counter-substrate;
- a drive unit which drives the electrophoretic elements by a lateral electric field generated between the pixel electrodes and the common electrode;
- a counter-electrode provided on the counter-substrate and facing the electrophoretic layer;
- and
- a display region including a plurality of pixels arrayed in a matrix,
- wherein the counter-electrode includes a plurality of openings respectively facing the pixel electrodes,
- wherein the drive unit drives the electrophoretic elements by an oblique electric field generated between the pixel electrode and the counter-electrode,
- wherein, in one pixel, the counter-electrode includes a plurality of openings arranged at intervals in a first direction and a second direction intersecting the first direction, and
- wherein, in one pixel, the pixel electrode includes a plurality of divisional electrodes respectively facing the plurality of openings of the counter-electrode in plan view.
8 more elements
An electrophoretic display device comprising:
- an array substrate including a base material, a common electrode provided on the base material, a plurality of pixel electrodes provided to face the common electrode, and an insulating layer provided between the common electrode and the pixel electrodes;
- a counter-substrate facing the array substrate;
- an electrophoretic layer including a plurality of electrophoretic elements and disposed between the array substrate and the counter-substrate;
- a drive unit which drives the electrophoretic elements by a lateral electric field generated between the pixel electrodes and the common electrode;
- a counter-electrode provided on the counter-substrate and facing the electrophoretic layer;
- and
- a display region including a plurality of pixels arrayed in a matrix,
- wherein the counter-electrode includes a plurality of openings respectively facing the pixel electrodes,
- wherein the drive unit drives the electrophoretic elements by an oblique electric field generated between the pixel electrode and the counter-electrode,
- wherein, in one pixel, the counter-electrode includes a plurality of openings arranged at intervals in a first direction and a second direction intersecting the first direction, and
- wherein, in one pixel, the pixel electrode includes a plurality of openings respectively facing the counter-electrode in plan view.
8 more elements
Dependencies are inferred from the claim text.