Electro-optical device and electronic apparatus
AssigneeSeiko Epson Corporation
InventorOsamu Nakajima
Life of this patent
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Abstract
In a plurality of pixels of an electro-optical device, a storage capacitor includes a first storage capacitor, and a second storage capacitor stacked on the first storage capacitor and electrically connected thereto in parallel. In the first storage capacitor and the second storage capacitor, in which the first capacitor electrode, the second capacitor electrode, the third capacitor electrode, and the fourth capacitor electrode are stacked, the second capacitor electrode and the fourth capacitor electrode are each integrally formed in a first pixel and a second pixel, out of the plurality of pixels, and electrically connected to a capacitor line at one point.
Claims20
An electro-optical device comprising:
- a plurality of pixels aligned in a first direction and a second direction intersecting the first direction:
- and
- a capacitor line extending in at least one of the first direction and the second direction,
- wherein the plurality of pixels each include a pixel electrode, a pixel switching element, and a storage capacitor which are located on a side of a first surface of an element substrate, the pixel switching element and the storage capacitor being electrically connected to the pixel electrode,
- the storage capacitor includes, between the element substrate and the capacitor line, a first storage capacitor, and a second storage capacitor stacked on the first storage capacitor and electrically connected thereto in parallel,
- the first storage capacitor includes a first capacitor electrode electrically connected to the pixel electrode, and a second capacitor electrode electrically connected to the capacitor line and stacked on the first capacitor electrode via a first dielectric layer,
- the second storage capacitor includes a third capacitor electrode electrically connected to the pixel electrode, and a fourth capacitor electrode electrically connected to the capacitor line and stacked on the third capacitor electrode via a second dielectric layer, and
- the second capacitor electrode is integrally formed in a first pixel and a second pixel out of the plurality of pixels, the second pixel being located adjacent the first pixel in the first direction, and is electrically connected to the capacitor line at least at one point.
Dependencies are inferred from the claim text.