Abstract: Provided is a liquid crystal display device that can achieve high-speed response in both rise time and fall time and has a high transmittance, a high contrast ratio, and excellent viewing angle characteristics. The liquid crystal display device provides color display using a field sequential driving system where each frame period includes subframe periods and includes: a liquid crystal display panel; a light source that irradiates the liquid crystal display panel with lights of multiple colors; and a controller that drives the light source to time-divisionally irradiate the liquid crystal display panel with the lights of multiple colors. The liquid crystal display panel includes, sequentially in the following order: a first substrate including pixel electrodes; a first alignment film; a liquid crystal layer; a second alignment film; and a second substrate including a common electrode.

Abstract: Provided is a liquid crystal display device with sufficiently reduced or prevented alignment defect generation and useful as an in-cell touch panel capable of providing display in the reflective mode. The liquid crystal display device includes first and second substrates and a liquid crystal layer. The first substrate includes a reflective layer reflecting light, first and second electrodes capable of generating a transverse electric field in the liquid crystal layer, and a first horizontal alignment film. At least one of the first electrode or the second electrode includes strip portions and a slit between adjacent two strip portions among the strip portions. The second substrate includes a second horizontal alignment film in contact with the liquid crystal layer. The liquid crystal layer includes liquid crystal molecules having a positive anisotropy of dielectric constant and is in a twist alignment during no voltage application.

Abstract: A liquid crystal display device includes a first substrate, a second substrate disposed more to a viewer side than the first substrate, and a liquid crystal layer provided between the first substrate and the second substrate, with a plurality of pixels being arrayed in a matrix shape. Each pixel includes a reflective region for display in a reflection mode. The first substrate includes a thin film transistor provided corresponding to each pixel, a pixel electrode electrically connected to the thin film transistor, and a reflective layer located at least in the reflective region. The first substrate further includes a common electrode adjacent to the pixel electrode with a dielectric layer interposed between the pixel electrode and the common electrode. At least one from among the pixel electrode and the common electrode includes at least one slit.

Abstract: A transflective liquid crystal display device includes a first polarizer, a first phase difference layer, a first substrate, a liquid crystal layer, a second substrate, a second phase difference layer, and a second polarizer. The first substrate includes a reflective layer, a pair of electrodes configured to generate a transverse electrical field in the liquid crystal layer, and a first horizontal alignment film. The second substrate includes a second horizontal alignment film. The first phase difference layer includes a first ?/2 plate and a first ?/4 plate. The second phase difference layer includes a second ?/2 plate and a second ?/4 plate. At least one of the first phase difference layer and the second phase difference layer further includes a positive C plate. The liquid crystal layer includes a liquid crystal material having a negative-type anisotropy of dielectric constant and takes a twist alignment when no voltage is applied.

Abstract: A transflective liquid crystal display device provided with a plurality of pixels, and includes: a first polarizer, a first phase difference layer, a first substrate, a liquid crystal layer, a second substrate, a second phase difference layer, and a second polarizer. The first substrate includes a reflective layer. The first phase difference layer includes a first ?/2 plate and a first ?/4 plate. The second phase difference layer includes a second ?/2 plate and a second ?/4 plate. At least one of the first phase difference layer and the second phase difference layer further includes a positive C plate. The liquid crystal layer takes a twist alignment when no voltage is applied. Each of the plurality of pixels includes a reflective region in which light is reflected by the reflective layer to perform display and a transmissive region in which light is transmitted to perform display.

Abstract: A liquid crystal display device includes a first substrate, a liquid crystal layer, a second substrate, a retardation layer, and a polarizer in this order from a back face side, and includes a plurality of pixels arrayed in a matrix shape, in which the first substrate includes a reflective layer that reflects light, a first electrode and a second electrode that are capable of generating a transverse electrical field in the liquid crystal layer, and a first horizontal alignment film that is in contact with the liquid crystal layer, the second substrate includes a second horizontal alignment film in contact with the liquid crystal layer, the retardation layer includes a ?/4 plate and a ?/2 plate, the liquid crystal layer includes a positive-type liquid crystal material or a negative-type liquid crystal material, and has a twist alignment when no voltage is applied, and an angle formed by a polarization axis of the polarizer and an alignment direction of liquid crystal molecules defined by the first horizontal a

Abstract: A liquid crystal display device includes a first substrate, a liquid crystal layer, a second substrate, a retardation layer, and a polarizer in this order from a back face side, and includes a plurality of pixels arrayed in a matrix shape, in which the first substrate includes a reflective layer that reflects light, a first electrode and a second electrode that are capable of generating a transverse electrical field in the liquid crystal layer, and a first horizontal alignment film that is in contact with the liquid crystal layer, the second substrate includes a second horizontal alignment film in contact with the liquid crystal layer, the liquid crystal layer has a twist alignment when no voltage is applied, and the retardation layer includes a ?/4 plate, a ?/2 plate, and a positive C plate.

Abstract: A liquid crystal display device includes a first substrate, a second substrate, and a liquid crystal layer. The first substrate includes a reflective layer, a first electrode and a second electrode configured to generate a transverse electrical field in the liquid crystal layer, and a first horizontal alignment film. An electrode, of the first electrode and the second electrode, disposed on a side of the liquid crystal layer includes a plurality of belt-shaped portions and a slit positioned between two adjacent belt-shaped portions of the plurality of belt-shaped portions, the liquid crystal layer is constituted by a liquid crystal material including a liquid crystal molecule, the liquid crystal material is a positive type. The second substrate includes a second horizontal alignment film being in contact with the liquid crystal layer, and the liquid crystal layer takes a twist alignment when no voltage is applied.

Abstract: A liquid crystal display device includes a first substrate, a liquid crystal layer, a second substrate, a retardation layer, and a polarizer in this order from a back face side, and includes a plurality of pixels arrayed in a matrix shape, in which the first substrate includes a reflective layer that reflects light, a first electrode and a second electrode that are capable of generating a transverse electrical field in the liquid crystal layer, and a first horizontal alignment film that is in contact with the liquid crystal layer, the second substrate includes a second horizontal alignment film in contact with the liquid crystal layer, the liquid crystal layer has a twist alignment when no voltage is applied, and the retardation layer includes a ?/4 plate, a ?/2 plate, and a positive C plate.

Abstract: A liquid crystal display device includes: a first substrate; a second substrate; a liquid crystal layer; a polarizer; and a phase difference layer, the liquid crystal display device further including a plurality of pixels arranged in a matrix, wherein each of the plurality of pixels includes a reflection region, the first substrate includes: a plurality of gate lines; a plurality of source lines; a plurality of thin film transistors; a plurality of pixel electrodes; and a reflective layer, the first substrate further includes: a plurality of touch sensor electrodes; and a plurality of touch lines each electrically connected to a corresponding one of the plurality of touch sensor electrodes, the reflective layer is divided into a plurality of reflective segments that are electrically independent from each other, and each of the plurality of reflective segments overlaps two or more of the plurality of pixel electrodes in a plan view.

Abstract: To provide a liquid crystal display device including a plurality of pixels arrayed in a matrix shape that includes a first substrate, a second substrate, and a liquid crystal layer. The first substrate includes a reflective layer, a first electrode and a second electrode capable of generating a transverse electrical field in the liquid crystal layer, and a first horizontal alignment film, at least one of the first electrode and the second electrode includes a plurality of belt-shaped portions and a slit located between two adjacent belt-shaped portions of the plurality of belt-shaped portions, in each pixel, the plurality of belt-shaped portions have a linear shape extending substantially parallel to each other and in the same direction, and do not include a bending part, the second substrate includes a second horizontal alignment film and the liquid crystal layer takes a twist alignment when no voltage is applied.

Abstract: A liquid crystal display device includes a first substrate, a second substrate disposed on a viewer side relative to the first substrate, a liquid crystal layer provided between the first substrate and the second substrate, a polarizer disposed on the viewer side relative to the liquid crystal layer, and a phase difference layer disposed between the polarizer and the liquid crystal layer, and also includes a plurality of pixels arrayed in a matrix shape. The first substrate includes a reflective layer that reflects light, a first electrode and a second electrode that can generate a transverse electrical field in the liquid crystal layer, and a first horizontal alignment film in contact with the liquid crystal layer. The second substrate includes a second horizontal alignment film in contact with the liquid crystal layer. The liquid crystal layer takes a twist alignment when no voltage is applied.

Abstract: A liquid crystal display device includes a first substrate, a second substrate disposed more to a viewer side than the first substrate, and a liquid crystal layer provided between the first substrate and the second substrate, with a plurality of pixels being arrayed in a matrix shape. Each pixel includes a reflective region for display in a reflection mode. The first substrate includes a thin film transistor provided corresponding to each pixel, a pixel electrode electrically connected to the thin film transistor, and a reflective layer located at least in the reflective region. The first substrate further includes a common electrode adjacent to the pixel electrode with a dielectric layer interposed between the pixel electrode and the common electrode. At least one from among the pixel electrode and the common electrode includes at least one slit.

Abstract: A liquid crystal display device includes a first substrate, a second substrate disposed on a viewer side relative to the first substrate, a liquid crystal layer provided between the first substrate and the second substrate, a polarizer disposed on the viewer side relative to the liquid crystal layer, and a phase difference layer disposed between the polarizer and the liquid crystal layer, and also includes a plurality of pixels arrayed in a matrix shape. The first substrate includes a reflective layer that reflects light, a first electrode and a second electrode that can generate a transverse electrical field in the liquid crystal layer, and a first horizontal alignment film in contact with the liquid crystal layer. The second substrate includes a second horizontal alignment film in contact with the liquid crystal layer. The liquid crystal layer takes a twist alignment when no voltage is applied.

Abstract: Provided is a liquid crystal display device that can achieve high-speed response in both rise time and fall time and has a high transmittance, a high contrast ratio, and excellent viewing angle characteristics. The liquid crystal display device provides color display using a field sequential driving system where each frame period includes subframe periods and includes: a liquid crystal display panel; a light source that irradiates the liquid crystal display panel with lights of multiple colors; and a controller that drives the light source to time-divisionally irradiate the liquid crystal display panel with the lights of multiple colors. The liquid crystal display panel includes, sequentially in the following order: a first substrate including pixel electrodes; a first alignment film; a liquid crystal layer; a second alignment film; and a second substrate including a common electrode.

Abstract: The liquid crystal display panel sequentially includes: a first polarizing plate; a first substrate; a first alignment film; a liquid crystal layer containing liquid crystal molecules; a second alignment film; a second substrate; and a second polarizing plate. The liquid crystal display panel is a normally black liquid crystal display panel capable of shifting into a transparent display state. The first alignment film and the second alignment film have been subjected to alignment treatment such that a first domain and a second domain in which alignment vectors are different from each other are arranged side by side in a column direction. In a plan view, a liquid crystal alignment axis of the first domain and a liquid crystal alignment axis of the second domain obliquely intersect a polarization axis of the first polarizing plate and a polarization axis of the second polarizing plate and are parallel to each other.

Abstract: The present invention provides a liquid crystal display panel sequentially including: a first substrate provided with a pixel electrode for each pixel; a liquid crystal layer containing liquid crystal molecules; and a second substrate provided with a counter electrode, the liquid crystal display panel including pixels each including at least four alignment regions with different inclination azimuths of the liquid crystal molecules, with no voltage applied to the liquid crystal layer, the liquid crystal molecules aligning substantially vertically to the first substrate and the second substrate with inclinations along the inclination azimuths, the liquid crystal molecules having a twist angle of substantially 0° in each alignment region, at least one of the four alignment regions including a first region where the liquid crystal molecules have a relatively small average tilt angle and a second region where the liquid crystal molecules have a relatively large average tilt angle.

Abstract: The liquid crystal display panel sequentially includes: a first polarizing plate; a first substrate; a first alignment film; a liquid crystal layer containing liquid crystal molecules; a second alignment film; a second substrate; and a second polarizing plate. The liquid crystal display panel is a normally black liquid crystal display panel capable of shifting into a transparent display state. The first alignment film and the second alignment film have been subjected to alignment treatment such that a first domain and a second domain in which alignment vectors are different from each other are arranged side by side in a column direction. In a plan view, a liquid crystal alignment axis of the first domain and a liquid crystal alignment axis of the second domain obliquely intersect a polarization axis of the first polarizing plate and a polarization axis of the second polarizing plate and are parallel to each other.

Abstract: The present invention provides a liquid crystal display panel sequentially including: a first substrate provided with a pixel electrode for each pixel; a liquid crystal layer containing liquid crystal molecules; and a second substrate provided with a counter electrode, the liquid crystal display panel including pixels each including at least four alignment regions with different inclination azimuths of the liquid crystal molecules, with no voltage applied to the liquid crystal layer, the liquid crystal molecules aligning substantially vertically to the first substrate and the second substrate with inclinations along the inclination azimuths, the liquid crystal molecules having a twist angle of substantially 0° in each alignment region, at least one of the four alignment regions including a first region where the liquid crystal molecules have a relatively small average tilt angle and a second region where the liquid crystal molecules have a relatively large average tilt angle.

Abstract: A liquid crystal panel includes a first substrate including multiple pixel electrodes; a liquid crystal layer; and a second substrate including a common electrode. In at least 30 pixels consecutive in a row direction, arrays of the domains are identical, the domains in the display unit region located in an nth row are arranged in an order of a first domain, a second domain, a third domain, and a fourth domain, and each of the pixel electrodes includes a first pixel electrode having a configuration in which fine slits parallel to an alignment vector of the corresponding domain are provided in at least one of a region superimposed on the first domain, a region superimposed on the second domain, a region superimposed on the third domain, or a region superimposed on the fourth domain while the fine slits are not provided in the remaining regions.