According to one embodiment, a display device includes a first substrate having a first transparent substrate and a pixel electrode, a second substrate having a second transparent substrate, a first common electrode, a second common electrode, and an insulating film disposed between the first common electrode and the second common electrode, and a liquid crystal layer. The first common electrode is disposed between the liquid crystal layer and the insulating film, and includes a first opening and a first electrode portion. The second common electrode is disposed between the insulating film and the second transparent substrate, and includes a second electrode portion overlapping the first opening.

A display device is provided and includes first and second substrates; a liquid crystal layer filled between the first and second substrates; a counter electrode pattern formed on the first substrate; scanning lines extending in a first direction; signal lines; and a first pixel electrode pattern and a second pixel electrode pattern formed on the first substrate, wherein the first pixel electrode pattern and the second pixel electrode pattern are located in line symmetry with respect to a first scanning line of the scanning lines.

According to one embodiment, a display device includes an illumination device, a display panel modulating light from the illumination device and emitting image light, a polarized light modulation element transmitting the image light from the display panel and diffusing external light, and a magnification mirror magnifying an image by the image light transmitted through the polarized light modulation element. The polarized light modulation element is a liquid crystal lens including a first substrate, a second substrate, a liquid crystal layer held between the first substrate and the second substrate, and a first control electrode and a second control electrode applying voltage to the liquid crystal layer.

An array substrate of a display device includes a pixel electrode layer on a substrate, which includes active pixel electrodes in an active display region; outermost active pixel electrodes include a first active pixel electrode including a first pixel electrode edge and a second pixel electrode edge; in a first direction, the first pixel electrode edge is between the second pixel electrode edge and a frame region. One of the array substrate and an opposite substrate of the display device includes a common electrode layer including a first extended common electrode which includes a first extended portion extending beyond the first active pixel electrode; a first extended portion edge of the first extended portion and a first substrate edge of the substrate respectively extend in a second direction; in the first direction, the first extended portion edge is located between the first substrate edge and the first pixel electrode edge.

A display device is provided and includes first and second substrates; a liquid crystal layer filled between the first and second substrates; a counter electrode pattern formed on the first substrate; scanning lines extending in a first direction; signal lines; and a first pixel electrode pattern and a second pixel electrode pattern formed on the first substrate, wherein the first pixel electrode pattern and the second pixel electrode pattern are located in line symmetry with respect to a first scanning line of the scanning lines.

According to one embodiment, a display device includes a first substrate having a first transparent substrate and a pixel electrode, a second substrate having a second transparent substrate, a first common electrode, a second common electrode, and an insulating film disposed between the first common electrode and the second common electrode, and a liquid crystal layer. The first common electrode is disposed between the liquid crystal layer and the insulating film, and includes a first opening and a first electrode portion. The second common electrode is disposed between the insulating film and the second transparent substrate, and includes a second electrode portion overlapping the first opening.

The present invention provides a liquid crystal display device that may realize a wide viewing angle and realize a high-speed response. The liquid crystal display device of the present invention is a liquid crystal display device that has upper and lower substrates and a liquid crystal layer which is interposed between the upper and lower substrates, in which the lower substrate includes electrodes, the electrodes are configured with a first electrode, a second electrode in a different layer from the first electrode, and a third electrode in a same layer as the second electrode, the liquid crystal layer includes liquid crystal molecules that are horizontally aligned with respect to a main surface of the upper and lower substrates in a case where a voltage is not applied, and the liquid crystal display device is configured to execute a driving operation that causes the electrodes to generate an electric field which causes a portion of the liquid crystal molecules to rotate in a horizontal plane with respect to the main surface and causes another portion of the liquid crystal molecules to rotate in an opposite direction to the portion of the liquid crystal molecules in the horizontal plane with respect to the main surface.

A liquid crystal device and a method of forming a liquid crystal device are disclosed. The device comprises a layer of liquid crystal material bounded by a first cell wall and a second cell wall, the first cell wall being provided with a first electrode structure and the second cell wall being provided with a second electrode structure. The first cell wall and the second cell wall are separated by a distance d.sub.c, wherein the layer of liquid crystal material is associated with a plurality of defect generation sites. Defects are generated by the defect generation sites, increasing switching speed and decreasing the time it takes to switch large area displays employing such devices.

A display substrate includes a base substrate having a plurality of pixel areas and a pixel electrode in a pixel area of the plurality of pixel areas. The pixel electrode a first stem portion extending in a first direction, a second stem portion extending from the first stem portion in a second direction that intersects the first direction, a plurality of branch portions diagonally extending from at least one of the first stem portion and the second stem portion, and a bent portion extending from at least one of the plurality of branch portions.

A liquid crystal display panel is provided and includes a pair of substrates arranged face to face so as to sandwich a liquid crystal layer, a lower electrode formed on a lower substrate, an upper electrode formed on the lower substrate through an insulating layer, in which plural slits are formed in each sub-pixel, wherein each of the plural slits is formed as an aperture in which both ends thereof in the longitudinal direction are closed, and an alignment film formed so as to cover a surface of the upper electrode and the insulating layer. The plural slits have different widths at both ends of slits in a longitudinal direction, and a rubbing direction of the alignment film is a direction crossing longitudinal edges of each of the slits.