JP2006317840A5 - - Google Patents

Claims (14)

A liquid crystal layer is sandwiched between a pair of substrates,
A liquid crystal device in which a plurality of dot regions including a pixel electrode and a switching element provided corresponding to the pixel electrode are arranged in a matrix,
The liquid crystal layer is Ri Do dielectric anisotropy from a negative liquid crystal molecules,
The liquid crystal molecules are in a vertical alignment mode having a pretilt angle in the range of 0 to 10 degrees with respect to the vertical direction of the substrate when a non-selection voltage is applied,
The pixel electrode may possess one or more of the notches,
On the center line of the pixel electrode cutout portion is formed as a line symmetrical shape, a liquid crystal device characterized by a contact hole for electrically connecting the switching element and the pixel electrode is disposed. A liquid crystal layer is sandwiched between a pair of substrates,
A liquid crystal device in which a plurality of dot regions including a pixel electrode and a switching element provided corresponding to the pixel electrode are arranged in a matrix,
The liquid crystal layer is Ri Do dielectric anisotropy from a negative liquid crystal molecules,
The liquid crystal molecules are in a vertical alignment mode having a pretilt angle in the range of 0 to 10 degrees with respect to the vertical direction of the substrate when a non-selection voltage is applied,
The pixel pitch of the plurality of dot regions is 30 μm or less,
The pixel electrode may possess one or more of the notches,
On the center line of the pixel electrode cutout portion is formed as a line symmetrical shape, a liquid crystal device characterized by a contact hole for electrically connecting the switching element and the pixel electrode is disposed. The contact hole is
3. The liquid crystal device according to claim 1, wherein a size in a vertical direction or a horizontal direction in a planar shape is 1/30 or more of the pixel pitch. The planar shape of the contact hole is:
The liquid crystal device according to claim 1, wherein the liquid crystal device is any one of a circle, an ellipse, and a polygon. The planar shape of the contact hole is:
An elliptical or line-symmetric polygon,
The center line of the line-symmetric shape in the planar shape of the contact hole is
The liquid crystal device according to claim 1, wherein the liquid crystal device matches or is parallel to a center line of the shape of the pixel electrode. In the liquid crystal device according to any one of claims 1 to 5,
The substrate is
An alignment film constituting a vertical alignment mode having a pretilt angle in the range of 0 to 10 degrees with respect to the vertical direction of the substrate, and having an azimuth angle or polar angle direction as compared to an alignment means made of organic polyimide A liquid crystal device comprising an alignment film having relatively weak anchoring. The alignment film is
7. The liquid crystal device according to claim 6, wherein the liquid crystal device is formed by oblique vapor deposition in which an inorganic material is vapor-deposited from an oblique direction with respect to a surface to be vapor-deposited, or by sputtering an inorganic material from an oblique direction with respect to a substrate. . The alignment film is
The liquid crystal device according to claim 6, wherein the liquid crystal device is formed by irradiating polarized light on an organic thin film, or a thin film and a thin layer formed by surface treatment made of an organic material. In the liquid crystal device according to any one of claims 1 to 8,
The pixel electrode is
The liquid crystal device is disposed only on one of the pair of substrates. The liquid crystal device according to any one of claims 1 to 9,
The liquid crystal molecules having negative dielectric anisotropy are
A liquid crystal device comprising a chiral agent. The liquid crystal device according to claim 10.
The direction of the center line that makes the pixel electrode line-symmetric is
When liquid crystal molecules with negative dielectric anisotropy when a selection voltage is applied are horizontally aligned,
A liquid crystal device characterized by being in a direction other than the director orientation of liquid crystal molecules in a liquid crystal layer. The thickness d1 of the liquid crystal layer in the portion where the contact hole exists;
The liquid crystal device according to any one of claims 1 to 11, wherein a thickness d2 of the liquid crystal layer in a portion where the contact hole does not exist is different. The liquid crystal device according to claim 12,
The thickness d1 of the liquid crystal layer in the portion where the contact hole exists is
It is larger than the thickness d2 of the liquid crystal layer in the part where the contact hole does not exist,
When the contact hole is filled with a resin material,
A liquid crystal device, wherein a dielectric constant ε1 of the resin material and a dielectric constant ε2 of the liquid crystal layer are different.   An electronic apparatus comprising the liquid crystal device according to claim 1.