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.

Abstract: The present invention provides a polarized light irradiation device capable of setting an alignment azimuth angle ? of liquid crystal molecules to be a desired angle even when the incident angle of polarized light on a substrate is not 0° in irradiation of a photo alignment film with polarized light, and a method for manufacturing a liquid crystal display device by using the polarized light irradiation device.

Abstract: A liquid crystal panel including: a first substrate with a first alignment film; a liquid crystal layer; and a second substrate with a second alignment film. The first and second alignment films are alignment treated such that pixels each include first to fourth domains with different alignment vectors in a column direction, each alignment vector being defined as lying from a first substrate side long-axis end as a start point to a second substrate side long-axis end as an end point. Each pixel electrode has first fine slits parallel to the alignment vector of the second domain in the second domain, second fine slits parallel to the alignment vector of the third domain in the third domain, and a central slit along a boundary between the second domain and the third domain at the boundary. The first fine slits and the second fine slits are connected via the central slit.

Abstract: In the liquid crystal display panel, when no voltage is applied to a liquid crystal layer, a first tilt angle of liquid crystal molecules adjacent to a first vertical alignment film with respect to the first vertical alignment film and a second tilt angle of liquid crystal molecules adjacent to a second vertical alignment film with respect to the second vertical alignment film differ from each other. Any one of the first vertical alignment film and the second vertical alignment film is a photo-alignment film subjected to alignment process such that a plurality of domains, the alignment vectors of which differ from each other, are formed in a region of a display unit. The display unit includes the plurality of domains along a first direction of the display unit in a plan view, when a voltage is applied to the liquid crystal layer.

Abstract: A liquid crystal panel includes: a first substrate including multiple pixel electrodes, and multiple gate lines; a liquid crystal layer; and a second substrate including a common electrode. In at least 30 pixels consecutive in a row direction, arrays of domains are identical. The gate lines extend through a region between rows of the display unit regions. 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. The first domain and the fourth domain are located between the second domain and the third domain in a domain arrangement order in the display unit region located in an (n+1)th row. Each of the pixel electrodes is provided with multiple fine slits parallel to the alignment vectors of the respective domains.

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.

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.

Abstract: [Object] To suppress a decrease in transparency while maintaining an effect of improving viewing angles. [Solution] Each of pixels (P) of a liquid crystal panel (100) includes a bright subpixel (BS) and a dark subpixel (DS). The bright subpixel (BS) includes four bright domains (BD) in which alignment directions of liquid crystal molecules (41) are different from one another. The dark subpixel (DS) includes two dark domains (DD) in which alignment directions of liquid crystal molecules (41) are different from each other.

Abstract: In the liquid crystal display panel, when no voltage is applied to a liquid crystal layer, a first tilt angle of liquid crystal molecules adjacent to a first vertical alignment film with respect to the first vertical alignment film and a second tilt angle of liquid crystal molecules adjacent to a second vertical alignment film with respect to the second vertical alignment film differ from each other. Any one of the first vertical alignment film and the second vertical alignment film is a photo-alignment film subjected to alignment process such that a plurality of domains, the alignment vectors of which differ from each other, are formed in a region of a display unit. The display unit includes the plurality of domains along a first direction of the display unit in a plan view, when a voltage is applied to the liquid crystal layer.

Abstract: The disclosure provides a liquid crystal display panel having excellent light utilization efficiency and display uniformity. The disclosure is a liquid crystal display panel including, in the following order, a first substrate including a first photo-alignment film, a liquid crystal layer, and a second substrate including a second photo-alignment film. Given an alignment vector in which a major axis edge of the liquid crystal molecules closer to the first substrate is set to a start point and a major axis edge of the liquid crystal molecules closer to the second substrate is set to an end point, the first and second photo-alignment films are subjected to an alignment process such that first to fourth domains are formed in a display unit region overlapping with one of the plurality of pixel electrodes in a longitudinal direction of the display unit region.

Abstract: A liquid crystal panel includes: a first substrate including multiple pixel electrodes; a liquid crystal layer; and a second substrate. 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. Each of the pixel electrodes is provided with multiple fine slits parallel to the alignment vectors of the respective domains. Each of the pixel electrodes includes a region where the fine slits do not exist, at both ends of the pixel electrode parallel to the row direction and at one or both of ends of the pixel electrode parallel to the column direction. A portion having a largest width of the region where the fine slits do not exist is included in one or both of the ends of the pixel electrode parallel to the row direction.

Abstract: [Object] To suppress a decrease in transparency while maintaining an effect of improving viewing angles. [Solution] Each of pixels (P) of a liquid crystal panel (100) includes a bright subpixel (BS) and a dark subpixel (DS). The bright subpixel (BS) includes four bright domains (BD) in which alignment directions of liquid crystal molecules (41) are different from one another. The dark subpixel (DS) includes two dark domains (DD) in which alignment directions of liquid crystal molecules (41) are different from each other.

Abstract: A liquid crystal panel including: a first substrate with a first alignment film; a liquid crystal layer; and a second substrate with a second alignment film. The first and second alignment films are alignment treated such that pixels each include first to fourth domains with different alignment vectors in a column direction, each alignment vector being defined as lying from a first substrate side long-axis end as a start point to a second substrate side long-axis end as an end point. Each pixel electrode has first fine slits parallel to the alignment vector of the second domain in the second domain, second fine slits parallel to the alignment vector of the third domain in the third domain, and a central slit along a boundary between the second domain and the third domain at the boundary. The first fine slits and the second fine slits are connected via the central slit.

Abstract: A liquid crystal panel includes: a first substrate including multiple pixel electrodes; a liquid crystal layer; and a second substrate. 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. Each of the pixel electrodes is provided with multiple fine slits parallel to the alignment vectors of the respective domains. Each of the pixel electrodes includes a region where the fine slits do not exist, at both ends of the pixel electrode parallel to the row direction and at one or both of ends of the pixel electrode parallel to the column direction. A portion having a largest width of the region where the fine slits do not exist is included in one or both of the ends of the pixel electrode parallel to the row direction.

Abstract: A liquid crystal panel includes: a first substrate including multiple pixel electrodes, and multiple gate lines; a liquid crystal layer; and a second substrate including a common electrode. In at least 30 pixels consecutive in a row direction, arrays of domains are identical. The gate lines extend through a region between rows of the display unit regions. 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. The first domain and the fourth domain are located between the second domain and the third domain in a domain arrangement order in the display unit region located in an (n+1)th row. Each of the pixel electrodes is provided with multiple fine slits parallel to the alignment vectors of the respective domains.