According to one embodiment, a display device includes a first substrate, a second substrate, a liquid crystal layer including polymers and liquid crystal molecules, and a light-emitting element. The first substrate includes a transparent substrate, a scanning line, a signal line crossing the scanning line, a switching element electrically connected to the scanning line and the signal line, an organic insulating film overlapping the switching element, and a pixel electrode electrically connected to the switching element. A thickness of the organic insulating film located between the transparent substrate and the pixel electrode is less than a thickness of the organic insulating film overlapping the switching element.

A display device with favorable display quality is provided. A display portion where a plurality of pixels is arranged in a matrix is divided into Region A and Region B, i.e., regions on the upstream side and the downstream side of a scanning direction. A signal line for supplying an image signal is provided in each of Region A and Region B. Region A and Region B adjoin each other such that a boundary line showing the boundary between the regions is bent. Bending the boundary line suppresses formation of a stripe in a boundary portion. For example, in a given column, the total number of pixels electrically connected to a signal line in Region A is made different from the total number of pixels electrically connected to a signal line in Region B.

The display device includes a first substrate; an active layer disposed on the first substrate; a first insulation layer disposed on the active layer; a first electrode layer disposed on the first insulation layer including a gate electrode line extending along a first direction and a protruding portion extending along a second direction; a second insulation layer disposed on the first electrode layer; and a second electrode layer disposed on the second insulation layer. The second electrode layer includes a date line extending along the second direction and a conductive layer. The conductive layer includes a first conductive portion and a second conductive portion, wherein the first conductive portion has a first maximum width A along the first direction, and the second conductive portion has a second maximum width B along the first direction. The first maximum width A is less than the second maximum width B.

According to an aspect, a liquid crystal display panel includes an extending portion. The extending portion is metal wiring provided on the same plane as a plane parallel to a surface of a TFT substrate on which a scan line extends in the X-direction, and is electrically conductive metal extending from the scan line. The extending portion partially overlaps a space, but does not overlap an opening area, in the Z-direction.

In an FFS liquid crystal display in which a dummy pixel in a dummy pixel region is smaller than a display pixel in a display region, a slit is formed in a common electrode in the display pixel while no slit is formed in the common electrode in the dummy pixel.

A display device of an embodiment includes scanning lines, signal lines, sub-pixels, a switching element in each of the sub-pixels, a pixel electrode in each of the sub-pixels. The switching element includes a relay electrode in contact with the pixel electrode, and a semiconductor layer in contact with the signal line in a first position, in contact with the relay electrode in a second position, and bending between the first position and the second position and crossing the scanning line. In at least one of the sub-pixels, a part of the scanning line extends between the relay electrode and the signal line which are connected to each other via the semiconductor layer.

A display device with less light leakage and excellent contrast is provided. A display device having a high aperture ratio and including a large-capacitance capacitor is provided. A display device in which wiring delay due to parasitic capacitance is reduced is provided. A display device includes a transistor over a substrate, a pixel electrode connected to the transistor, a signal line electrically connected to the transistor, a scan line electrically connected to the transistor and intersecting with the signal line, and a common electrode overlapping with the pixel electrode and the signal line with an insulating film provided therebetween. The common electrode includes stripe regions extending in a direction intersecting with the signal line.

A backplane for an electro-optic display that includes a data line, a transistor, a pixel electrode connected to the data line via the transistor, the pixel electrode positioned adjacent to part of the data line so as to create a data line/pixel electrode capacitance. The backplane further including a shield electrode disposed adjacent to at least part of the data line so as to reduce the data line/pixel electrode capacitance.

A display device capable of significantly reducing variation of a capacitance formed by a pixel electrode and a data line, the display device including: a first gate line; first and second data lines intersecting the first gate line; a pixel electrode adjacent to the second data line; a switching element connected to the first gate line, the first data line, and the pixel electrode; and a first extension portion extending from the pixel electrode and intersecting the second data line.

There is provided a display device including a first substrate, a second substrate facing the first substrate, a display layer disposed between the first and the second substrates, a light blocking pattern, and a sensing line. The first substrate may include a thin film transistor (TFT) disposed on a base substrate, a first passivation layer disposed on the TFT, a color filter disposed on the first passivation layer, and a second passivation layer disposed on the color filter. The display layer may include a first electrode disposed on the second passivation layer, a third passivation layer disposed on the first electrode, a second electrode disposed on the third passivation layer and connected to the TFT, and an optical layer disposed between the first and the second substrates. The light blocking pattern may be disposed on the third passivation layer. The sensing line may be disposed on the light blocking pattern.