Abstract: A liquid crystal display device including a first substrate and a second substrate having a liquid crystal composition layer disposed therebetween, a black matrix formed on at least one of the first substrate and the second substrate, and a video signal line formed between a face of the first substrate and a face of the liquid crystal composition layer. At least one pixel electrode is formed at each of pixels adjoining each other through the video signal line and fed with a selected video signal through the video signal line, and at least one counter electrode is fed with a counter voltage. An optical transmissivity of the liquid crystal composition layer is controlled by an electric field component which is generated between the pixel electrode and the counter electrode. One of the counter electrodes of the individual pixels is positioned at opposite sides of the video signal line, and the black matrix is formed over the video signal line.

Abstract: A liquid crystal display device including a liquid crystal composition layer having twistable liquid crystal molecules, a first substrate and a second substrate having the liquid crystal composition layer disposed therebetween, a video signal line formed on a face of the first substrate. At least one pixel electrode is fed with a video signal through the video signal line, and at least one counter electrode fed with a counter voltage, the pixel electrode and the counter electrode being opposed to each other. The twisting extent of the liquid crystal moles is controlled by an electric field component which is generated between the pixel electrode and the counter electrode. A spacing between the pixel electrode and the counter electrode arranged to oppose each other is larger than a width of at least one of the pixel electrode and the counter electrode and smaller than a spacing between the pixel electrode and the video signal line.

Abstract: A liquid crystal display device in which a plurality of pixels are arranged in a matrix shape and a voltage signal waveform is applied to change the optical transmissivity or optical reflectivity of the pixels. A liquid crystal composition layer is disposed between a first substrate and a second substrate. At least one pair of pixel electrodes and counter electrodes are provided for each pixel between a face of the first substrate and a face of the liquid crystal composition layer and an electric field which is generated between the pixel electrode and the counter electrode and which has a component substantially parallel to the face of the first substrate. For each pixel, there are provided a video signal line, a drain electrode, a gate signal line, a gate electrode, a counter voltage signal line, a thin film transistor element, and a capacity element. A counter voltage signal is applied through the counter voltage signal line to the counter electrode.

Abstract: Even when a high potential such as of static electricity is applied from the outside of the liquid crystal display panel, the display image is prevented from becoming abnormal. When a black matrix of a resin composition having a large resistivity is used, the positions of the polarizer plates, black matrix, sealing portion and open region of the housing are defined to prevent the light from leaking through the periphery of the effective pixel region. The leakage of backlight that cannot be prevented by the black matrix only is prevented by the polarizer plates and the housing, a transparent electrically conductive film having a sheet resistivity of not larger than 2.times.10.sup.14 .OMEGA./.quadrature. is formed over, under, or inside the polarizer plate, and the electrically conductive film is electrically connected to the electrically conductive housing.

Abstract: An active matrix type liquid crystal display apparatus includes a first substrate which has a plurality of scan electrodes and signal electrodes formed in a matrix shape, and a plurality of semiconductor switching elements having enhancement type characteristics formed at corresponding cross points of said scan electrodes and said signal electrodes, respectively, a second substrate which is arranged so as to face to said first substrate, and a liquid crystal layer which is composed of a liquid crystal composition enclosed in an interval between said first and second substrates, wherein pixel electrodes connected to corresponding said semiconductor switching element and counter electrodes connected to corresponding ones of said scan electrodes are arranged alternately in a comb-shape manner in respective ones of plural pixel regions surrounded by said plural scan electrodes and plural signal electrodes on said first substrate.

Abstract: An active matrix type liquid crystal display comprising a liquid crystal layer containing liquid crystal molecules, a pair of substrates arranged to be facing each other with the liquid crystal layer interposed there between, a pair of polarizers arranged outside of the substrates, active elements composed of semiconductor active layers and insulating layers, having scanning electrodes and signal electrodes which are arranged between one of the pair of substrates and the liquid crystal layer, pixel electrodes formed between one of the pair of substrates and the liquid crystal layer and connected to the active elements, light shielding layers for preventing the active elements from being illuminated by incident light, and counter electrodes arranged on the same plane as the light shielding layers taking one of said pair of substrates as a pair of substrates and the active element, between the liquid crystal layer and the active element, or between another one of the pair of substrates and the liquid crystal la

Abstract: A so-called in-plane electric field type color liquid crystal display device employs the following configuration in order to minimize smear. Groups of row-direction arrayed unit pixels are staggered one-half pitch of the unit pixels from the adjacent row-direction arrayed unit pixel groups. Three adjoining unit pixels are selected from two adjacent row-direction arrayed unit pixel groups so that they straddle these two unit pixel groups, and the three selected adjoining unit pixels are assigned three primary colors respectively.

Abstract: In a liquid crystal display device which is driven by an electric field substantially parallel to the surfaces of substrates, the aperture ratio is high, and the tolerance for alignment of upper and lower substrates is great. The active matrix type liquid crystal display device has a structure in which a counter electrode is provided adjacently to a video signal line, an insulating layer is provided between the video signal line and the counter electrode provided adjacently to the video signal line, the video signal line and the counter electrode are provided with a superimposition portion, and a light shielding layer is disposed within a pixel area in only a direction substantially parallel to a scan signal line. Alternatively, the light shielding layer is formed as a pattern opened and includes a part in the width direction of an area where the counter voltage signal line is formed.

Abstract: A liquid crystal display device has a pair of substrates at least one of which is transparent, a liquid crystal layer sandwiched by the pair of substrates, a video signal line, a drain electrode, a pixel electrode which receives a video signal from the video signal line through the drain electrode and a thin-film transistor, a gate electrode for turning the thin-film transistor on, a counter electrode to which a counter voltage is applied through a counter voltage signal line, and a storage capacitor formed by superposing part of said pixel electrode on part of said counter voltage signal line via an interlayer insulating film. In the liquid display device are formed pixels where the light transmission factor of the liquid crystal is changed by use of an electric field which is established between the pixel electrode and the counter electrode and has the component in parallel with the surface of the substrate, the dielectric constant anisotropy .DELTA..epsilon.

Abstract: A display panel structure for suppressing vertical smear is provided for an active matrix type liquid crystal display device employing in-plane switching. Each of pixel regions arranged in a matrix form and constituting a display panel takes the form of a rectangle having a side along an adjacent video signal line shorter than a side along a scan signal line. A display electrode and reference electrodes arranged in each pixel region respectively have a strip-like shape extending in a direction orthogonal to a video signal line.

Abstract: A color liquid crystal display device includes a liquid crystal display panel having color filters corresponding to primaries red, green and blue, and a backlight unit disposed behind the liquid crystal display panel. The color liquid crystal display device satisfies a relationship of an isochromatic viewing angle>a half-brightness angle, for at least one azimuthal viewing angle. The half-brightness angle is defined as an angle of a direction inclined with respect to a normal direction of the liquid crystal display panel in which brightness of light emerging from the backlight unit into the liquid crystal display panel becomes 50% of that in the normal direction. The isochromatic viewing angle is defined as a range of viewing angles from the normal direction wherein an absolute shift in an x coordinate of the primary red viewed at off-normal angles is not greater than 0.0314, an absolute shift in a y coordinate of the primary green viewed at off-normal angles is not greater than 0.