A light source device for a display device includes a planar light source and a monochrome liquid crystal panel. The monochrome liquid crystal panel includes a plurality of pixel electrodes. Pixel electrodes adjacent to each other in the plurality of pixel electrodes partially overlap each other within one pixel. The monochrome liquid crystal panel includes an exclusive region including a part of one of the plurality of pixel electrodes but not including the other pixel electrodes and an overlap region including parts of pixel electrodes adjacent to each other.

According to an aspect, a liquid-crystal display device includes a first substrate, a second substrate, and a liquid-crystal layer. The first substrate includes a first electrode and a second electrode, and one of the first electrode and the second electrode is a pixel electrode provide, the first electrode includes an electrode base portion extending in a first direction and comb tooth portions extending in a second direction and protruding in a comb teeth shape from the electrode base portion with a predetermined distance interposed therebetween, and adjacent comb tooth portions include adjacent comb tooth portions having a relation in which a first long side of one comb tooth portion closest to a boundary between pixels is not parallel to a first long side of the other comb tooth portion.

According to one embodiment, a display device includes a first substrate with a first alignment film, a second substrate with a second alignment film, and a liquid crystal layer interposed therebetween. The first substrate has first and second electrodes. An initial alignment direction of liquid crystal molecules of the liquid crystal layer is parallel to a first direction or a direction orthogonal to the first direction. The second electrode includes comblike electrodes extending parallel to the first direction and a connecting portion which connects the comblike electrodes. The connecting portion includes a projection which projects in a second direction more than an outermost comblike electrode.

Embodiments of the present invention are directed to an electro-optical device that comprises a substrate, a waveguide structure, and two contact layer portions. The contact layer portions extend side-by-side along a direction of light propagation that is parallel to the substrate. The waveguide structure may guide light along said direction of light propagation. The waveguide structure comprises an optically nonlinear material and interdigitated crosspieces. The crosspieces extend parallel to the substrate from each of said two contact layer portions and transversely to such portions. The optically nonlinear material is in contact with at least portions of the interdigitated crosspieces. Said crosspieces are not in direct contact with each other, forming a composite waveguide core involving an alternating sequence of distinct materials along said propagation direction. The distinct materials comprise said semiconductor material and at least one additional material, whereby the composite waveguide core has an effective refractive index.

It is an object of the present invention to apply a sufficient electrical field to a liquid crystal material in a horizontal electrical field liquid crystal display device typified by an FFS type. In a horizontal electrical field liquid crystal display, an electrical field is applied to a liquid crystal material right above a common electrode and a pixel electrode using plural pairs of electrodes rather than one pair of electrodes. One pair of electrodes includes a comb-shaped common electrode and a comb-shaped pixel electrode. Another pair of electrodes includes a common electrode provided in a pixel portion and the comb-shaped pixel electrode.

A display device includes: a first substrate including: a switch unit; and a pixel electrode electrically connecting to the switch unit and including: first and second finger portions; a contacting portion electrically connecting to the switch unit through a contact via; a first bending portion between and connecting the first finger portion and the contacting portion, and having a third inner edge; and a second bending portion between and connecting the second finger portion and the contacting portion, and having a fourth inner edge and a second outer edge, wherein the fourth inner edge is between the third inner edge and the second outer edge, a first acute angle included between the third inner edge and a reference line parallel to a first direction substantially parallel to a gate-line-extending direction is greater than a second acute angle included between the second outer edge and the reference line.

An object is to provide a technique capable of increasing a display quality of a liquid crystal display device. A liquid crystal display device includes a liquid crystal panel including a liquid crystal layer with a liquid crystal, an electrode applying voltage to the liquid crystal, and a pair of polarization plates sandwiching the liquid crystal layer. A first voltage is applied to a liquid crystal in a local area in the liquid crystal panel when a transmissivity of the local area is set to a predetermined local minimum value, and a second voltage is applied to a liquid crystal in a remaining area other than the local area in the liquid crystal panel when the transmissivity of the remaining area is set to a predetermined local minimum value. The first voltage is different from the second voltage.

According to one embodiment, a display device includes a first substrate with a first alignment film, a second substrate with a second alignment film, and a liquid crystal layer interposed therebetween. The first substrate has first and second electrodes. An initial alignment direction of liquid crystal molecules of the liquid crystal layer is parallel to a first direction or a direction orthogonal to the first direction. The second electrode includes comblike electrodes extending parallel to the first direction and a connecting portion which connects the comblike electrodes. The connecting portion includes a projection which projects in a second direction more than an outermost comblike electrode.

A TFT (Thin Film Transistor) and a liquid crystal display, the TFT comprises a gate electrode, a gate insulating layer, a semiconductor layer and a source-drain electrode layer. The gate insulating layer is disposed between the gate electrode and the semiconductor layer. The source-drain electrode layer contacts with the semiconductor. The gate electrode and the semiconductor layer are hollowed. The liquid crystal display comprises an array, a color substrate and a liquid crystal layer disposed between the array substrate and the color substrate. The array substrate comprises the TFT described above.

The present disclosure is in the field of an electrophoretic device for switching between a transparent and non-transparent mode, comprising a fluid and particles, electrodes for moving said particles, and comprising various further elements, as well as uses thereof, in particular as a window blind.