Abstract: The liquid crystal display comprises a first substrate having a first electrode formed on one side, and a second substrate having a second electrode formed on one side and which is placed opposite to the first substrate so that the second electrode and the first electrode of the first substrate face each other. A liquid crystal layer is provided between the first substrate and the second substrate. The first electrode includes a plurality of first openings provided in a regular checkered pattern with each first opening having a shape extending in a first direction. The second electrode includes a plurality of second openings provided in a regular checkered pattern with each second opening having a shape extending in the first direction. The plurality of first openings and the plurality of second openings are relatively arranged so that each of the plurality of first openings is positioned between two second openings which are adjacent in a planar view among the plurality of second openings.

Abstract: A vertical alignment type liquid crystal display, which has a liquid crystal layer whose retardation value is about 600 nm or more, can solve the viewing angle problems associated with the wider viewing angle. The liquid crystal display can include a vertical alignment liquid crystal cell, and first and second polarizing plates cross-Nicol disposed on respective sides of the liquid crystal cell. The liquid crystal cell has a liquid crystal layer with a retardation of about 600 nm or more. A biaxial plate is provided between the liquid crystal cell and the first polarizing plate, and two C-plates are provided between the liquid crystal cell and the second polarizing plate.

Abstract: A liquid crystal display has (i) first and second substrates having electrodes and a pretilt angle of 88.5° to 89.5°, (ii) a liquid crystal layer, having a thickness d and made of liquid crystal molecule material which has a twist structure at a twist angle of 160° to 240° in a voltage application state, the liquid crystal layer containing chiral material having a pitch of p, where d/p is 0.2 to 0.74, (iii) a first polarizer disposed facing the first substrate, the first polarizer having as a transmission axis direction a first direction, (iv) a second polarizer disposed facing the second substrate, the second polarizer having as a transmission axis direction a second direction having an angle of 85° to 95° relative to the first direction, and (v) an optical anisotropic plate disposed at least one of between the first substrate and first polarizer and between the second substrate and second polarizer.

Abstract: A liquid crystal display device whose transparent electrodes have slits of a rectangle shape or a parallelogram shape. The slits include slits of first and second kinds having different angles relative to a row direction. The slit of the first kind in one transparent electrode and the slit of the second kind in the other transparent electrode are alternately disposed along the column direction to form a first slit column, and the slit of the second kind in the one transparent electrode and the slit of the second kind in the other transparent electrode are alternately disposed along the column direction to form a second slit column. The first slit column and second slit column are alternately disposed along the row direction, and each position of slits of the first slit column is shifted by half a slit period from each position of slits of the second slit column.

Abstract: A liquid crystal display includes: a liquid crystal layer squeezed between first and second substrates and vertically aligned at a retardation of 300-1000 nm; first and second compensators disposed on the first substrate and having negative biaxial optical anisotropy; a first polarizer disposed on the first and second compensators; and a second polarizer on the second substrate disposed crossed-Nichol with said first polarizer, wherein: the second compensator is disposed between the first substrate and first compensator; an in-plane slow axis of the first compensator is disposed perpendicular to an absorption axis of the first polarizer; the in-plane slow axis of the first compensator is disposed perpendicular to an in-plane slow axis of the second compensator; and a retardation in an in-plane direction of the first compensator is larger than that of the second compensator.

Abstract: A liquid crystal display includes: a liquid crystal layer squeezed between first and second transparent substrates and vertically aligned at a retardation of 300 nm or larger to 940 nm or smaller; two or three viewing angle compensators disposed on the first transparent substrate on the side opposite to the liquid crystal layer, each of the viewing angle compensators having a retardation of 90 nm or larger to 350 nm or smaller in a thickness direction and a retardation of 5 nm or larger to 30 nm or smaller in an in-plane direction; a first polarizer disposed on the two or three viewing angle compensator; and a second polarizer disposed on the second transparent substrate and crossed-Nichol disposed relative to the first polarizer, wherein an in-plane slow axis of each viewing angle compensator is disposed perpendicular to an absorption axis of the first polarizer.

Abstract: First and second polarizers are disposed in cross Nichol configuration. A liquid crystal cell is disposed between the two polarizers and establishes vertical alignment in a state of no voltage application. An even number of optical films having optical anisotropy and disposed between the liquid crystal cell and first polarizer. A retardation of the liquid crystal cell is in a range between 300 nm and 1500 nm; and each optical film satisfies nx>ny?nz, an in-plane retardation is smaller than 300 nm, a thickness direction retardation is in a ranger between 50 nm and 300 nm, an angle between an in-plane slow axis of the optical film disposed nearest to the first polarizer and an absorption axis of the first polarizer is smaller than 45°, and the slow axes of mutually adjacent optical films are perpendicular to each other.

Abstract: A liquid crystal display unit has: a pair of opposing substrates; an electrode pattern formed on each of the substrates on an opposing surface side; a vertical alignment film formed on each of the substrates and covering the electrode pattern; a liquid crystal layer squeezed between the substrates; and a pair of polarizer plates formed on the substrates on an opposite side to the side of said liquid crystal layer, wherein an edge of the electrode pattern includes a zigzag pattern parallel to one of axis directions of the polarizer plates and a direction perpendicular the axis direction. Optical through can be reduced along an edge portion of a pixel of a vertical alignment LCD.

Abstract: A liquid crystal display device includes: a liquid crystal display unit including a plurality of display units each switching between bright display and dark display; a backlight having a light source of a plurality of colors for making light emitted from the light source be incident upon the liquid crystal display unit; and a drive unit for performing field sequential driving through synchronization of the liquid crystal display unit and backlight, wherein the drive unit controls a state of bright/dark display of the liquid crystal display unit to realize a display pattern corresponding to each subframe obtained by dividing a frame into a plurality of subframes, and controls an emission state of the backlight to turn on the backlight of emission color corresponding to a display pattern of an arbitrary first subframe from some timing in the first subframe to some timing in a second subframe immediately after the first subframe.

Abstract: A liquid crystal display device has: a liquid crystal display unit including a plurality of common electrodes to be sequentially applied with a drive voltage and segment electrodes for segment display, facing each common electrode, and a plurality of display areas divided for one or more common electrodes; a backlight including a multicolor light source provided for each display area; and a drive unit for performing field sequential driving of multiplex driving by scanning the plurality of common electrodes in such a manner that after all common electrodes in one display area are scanned, common electrodes in the next display area start being scanned, and by synchronizing scanning each common electrode with an emission operation of the multicolor light source in each display area.

Abstract: A mono domain vertical alignment type liquid crystal display apparatus to be multiplex driven is provided whose display uniformity at a large pretilt angle (near 90°) is improved. Waveform A is applied to a liquid crystal cell of a mono domain vertical alignment type, the waveform A having a duty not lower than 4 and a frame frequency of f. The frame frequency f is determined from a pretilt angle ?p, and is a frequency not lower than 60 Hz at a pretilt angle of 88.5°?p<89.6° or a frequency not lower than [120×(?p?89.6)+60] Hz at a pretilt angle of 89.6°??p?89.9°.

Abstract: A liquid crystal display device using a low duty ratio driving method with a duty ratio not smaller than 1/16 is manufactured in the following manner. A first substrate is prepared having a first electrode of a predetermined shape. A second substrate is prepared having a second electrode of a shape different from said predetermined shape, the second electrode having signal line electrodes smaller in number than those of the first electrode. An insulating film having necessary insulation is formed on each of the first and second electrodes. First and second vertical alignment films are formed above the first and second substrates, respectively, the first and second vertical alignment films covering the first and second electrodes, respectively. A rubbing process is executed only for the second vertical alignment film. The first and second substrates are disposed facing each other, and liquid crystal having a negative dielectric constant anisotropy is disposed between the first and second substrates.

Abstract: A liquid crystal display device includes: a pair of substrates each disposed on each opposing plane and having an electrode of a predetermine shape; a vertical alignment film formed covering each of the electrodes of the pair of substrates and subjected to a rubbing alignment process; an insulating film formed between the electrode and the vertical alignment film in each of the pair of substrates and having necessary insulation; and liquid crystal sandwiched between the pair of substrates and having a negative dielectric anisotropy ?? and a specific resistance ?c1 of 1.0×1014 ?cm to 1.0×1015 ?cm, wherein a structure between the electrodes is selected to satisfy conditions of T?5.2×?c1×1/(1×1012) sec and T?500 sec, where T is a charge resident time until a display image disappears completely after static electricity of 10 kV is applied between the electrodes of the pair of substrate and the display image is tuned on.

Abstract: A liquid crystal display device whose transparent electrodes have slits of a rectangle shape or a parallelogram shape. The slits include slits of first and second kinds having different angles relative to a row direction. The slit of the first kind in one transparent electrode and the slit of the second kind in the other transparent electrode are alternately disposed along the column direction to form a first slit column, and the slit of the second kind in the one transparent electrode and the slit of the second kind in the other transparent electrode are alternately disposed along the column direction to form a second slit column. The first slit column and second slit column are alternately disposed along the row direction, and each position of slits of the first slit column is shifted by half a slit period from each position of slits of the second slit column.

Abstract: A vertically aligned liquid crystal cell to be simple-matrix driven is disposed between two polarizing plates crossed-Nicol disposed, the liquid crystal cell including a liquid crystal layer having a retardation in a cross section in a thickness direction larger than 550 nm. A C plate and a biaxial plate are disposed collectively between the liquid crystal cell and one of the polarizing plates, the C plate being disposed on the liquid crystal cell side and the biaxial plate being disposed on the polarizing plate side. The biaxial plate is disposed in such a manner that the in-plane delay phase axis of the biaxial plate is perpendicular to the absorption axis of the adjacent polarizing plate.

Abstract: A vertical alignment type liquid crystal display, which has a liquid crystal layer whose retardation value is about 600 nm or more, can solve the viewing angle problems associated with the wider viewing angle. The liquid crystal display can include a vertical alignment liquid crystal cell, and first and second polarizing plates cross-Nicol disposed on respective sides of the liquid crystal cell. The liquid crystal cell has a liquid crystal layer with a retardation of about 600 nm or more. A biaxial plate is provided between the liquid crystal cell and the first polarizing plate, and two C-plates are provided between the liquid crystal cell and the second polarizing plate.

Abstract: The liquid crystal display has first and second substrates having electrodes and a pretilt angle of 88.5° to 89.5°, a liquid crystal layer, having a thickness of d and made of liquid crystal molecule material which has a twist structure at a twist angle of 160° to 240° in a voltage application state, the liquid crystal layer containing chiral material having a pitch of p, where d/p is 0.2 to 0.74, a first polarizer disposed facing the first substrate, the first polarizer having as a transmission axis direction a first direction, a second polarizer disposed facing the second substrate, the second polarizer having as a transmission axis direction a second direction having an angle of 85° to 95° relative to the first direction, and an optical anisotropic plate disposed at least one of between the first substrate and first polarizer and between the second substrate and second polarizer.

Abstract: A liquid crystal display can include: first and second substrates; a first electrode formed on the first substrate; a first vertical alignment film formed above the first substrate; a second electrode formed on the second substrate; a second vertical alignment film formed above the second substrate; a liquid crystal layer sandwiched between and above the first and second substrates; a first polarizer having a first direction as a transmission axis direction and disposed facing a surface of the first substrate; and a second polarizer having a second direction as a transmission axis direction and disposed facing a surface of the second substrate, wherein the first and second polarizers are disposed, as viewed along a normal direction of the first and second substrates, in such a manner that the first direction crosses the second direction at an angle other than a right angle to realize a normally black display.

Abstract: The following constitution provides a vertically oriented liquid crystal display element of higher quality having almost uniform visibility in any direction attained by improving obliquely viewed visibility. The liquid crystal display element comprises a pair of substrates, transparent electrodes having predetermined patterns formed on the respective substrates, vertical orienting membranes respectively formed on the transparent electrodes and rubbed in a predetermined direction and a liquid crystal layer consisting of the liquid crystal molecules sandwiched by the substrates. The substrates are arranged such that respective transparent electrodes face each other. Series of nearly rectangular slits are formed on the respective transparent electrodes by removing portions of the electrodes in a display area formed by the electrodes.

Abstract: The following constitution provides a vertically oriented liquid crystal display element of higher quality having almost uniform visibility in any direction attained by improving obliquely viewed visibility. The liquid crystal display element comprises a pair of substrates, transparent electrodes having predetermined patterns formed on the respective substrates, vertical orienting membranes respectively formed on the transparent electrodes and rubbed in a predetermined direction and a liquid crystal layer consisting of the liquid crystal molecules sandwiched by the substrates. The substrates are arranged such that respective transparent electrodes face each other. Series of nearly rectangular slits are formed on the respective transparent electrodes by removing portions of the electrodes in a display area formed by the electrodes.