Liquid crystal device
View Patent ↗A liquid crystal device have an element substrate including a scanning line, a data line and a pixel electrode, a cutout is formed on the pixel electrode. A capacitor line for providing a storage capacitor is formed on the element substrate. The capacitor line has a first and second portions. The first portion extends along with the scanning line, and a second line portion overlaps the cutout of the pixel electrode.
1. A liquid crystal device comprising:
an element substrate including a scanning line, a data line and a pixel electrode formed at an intersection thereof, the pixel electrode including a cutout;
a semiconductor layer, a portion of the semiconductor layer overlapping a first portion of the data line when viewed from above;
a counter substrate opposite the element substrate;
a liquid crystal held between the element substrate and the counter substrate; and
a capacitor line for providing a storage capacitor, the capacitor line including:
(a) a first capacitor line portion that extends along with the scanning line;
(b) a second capacitor line portion that overlaps the cutout of the pixel electrode; and
(c) a third capacitor line portion which overlaps a second portion of the data line when viewed from above, the third capacitor line portion and the semiconductor layer constituting a first storage capacitor.
2. The liquid crystal device of claim 1 , wherein the first and the second capacitor line portions are formed as a wiring that passes through a plurality of pixels that extend along the capacitor line.
3. The liquid crystal device of claim 1 , wherein the third capacitor line portion connects the first and second capacitor line portions to each other.
4. The liquid crystal device of claim 1 , which includes a pixel switching element that is formed between the data line and the pixel electrode, the pixel switching element being ON state in a case where the scanning lines is selected, wherein:
(a) the pixel switching element is composed of a thin-film transistor which includes the semiconductor layer; and
(b) a second portion of the semiconductor layer of the thin-film transistor extends to a region which overlaps the first and second capacitor line portions and a second storage capacitor is formed between the semiconductor layer and the first and second capacitor line portions at the region.
5. A liquid crystal device comprising:
an element substrate including a scanning line, a data line and a pixel electrode formed at an intersection thereof,
the pixel electrode being divided into a plurality of sub-pixel electrodes connected with a connecting portion therebetween;
a semiconductor layer, a portion of the semiconductor layer overlapping a first portion of the data line when viewed from above;
a counter substrate opposite the element substrate;
a liquid crystal held between the element substrate and the counter substrate, the liquid crystal has a negative anisotropy of dielectric constant; and
a capacitor line for providing a storage capacitor, the capacitor line including:
(a) a first capacitor line portion that extends along with the scanning lines;
(b) a second capacitor line portion overlapping a region provided between sub-pixel electrodes; and
(c) a third capacitor line portion which overlaps a second portion of the data line when viewed from above, the third capacitor line portion and the semiconductor layer constituting a first storage capacitor.
6. The liquid crystal device of claim 5 , wherein the first and the second capacitor line portions are formed as a wiring that passes through a plurality of pixels that extend along the capacitor line.
7. The liquid crystal device of claim 5 , wherein the third capacitor line portion connects the first and second capacitor line portions to each other.
8. The liquid crystal device of claim 5 , which includes a pixel switching element formed between the data line and the pixel electrode, the pixel switching element being ON state in a case where the scanning lines is selected, wherein:
(a) the pixel switching element is composed of a thin-film transistor which includes the semiconductor layer; and
(b) a second portion of the semiconductor layer of the thin-film transistor extends to a region which overlaps the first and second capacitor line portions and a second storage capacitor is formed between the semiconductor layer and the first and second capacitor line portions at the region.
9. The liquid crystal device of claim 1 , wherein the portion of the semiconductor layer overlapping the first portion of the data line when viewed from above also overlaps a portion of the third capacitor line portion.