Abstract: A driving method for a color liquid crystal display which drives the color liquid crystal display based on a video red signal, a video green signal and a video blue signal by independently applying a gamma compensation to a clamped video red signal, a clamped video green signal and a clamped video blue signal in gamma compensating circuits in order to make suitable to a red transmittance characteristic, a green transmittance characteristic and a blue transmittance characteristic. With this operation, it is possible to carry out an optimal gamma compensation suitable to a characteristic of the color liquid crystal display and to remove a gradation batter occurring in a specific color.

Abstract: An IPS-mode LCD device includes a TFT substrate and a counter substrate sandwiching therebetween a LC layer. Each pixel includes a pixel electrode covered by a passivation film formed on the TFT substrate, and a common electrode formed on the top surface of the passivation film. The passivation film has a first thickness at a portion in contact with the common electrode and a second thickness smaller than the first thickness at a portion in contact with the pixel electrode, thereby having a flat top surface of the passivation film.

Abstract: An image display device is provided which is capable of improving its image quality when a moving picture is displayed by using a holding-type display panel such as a liquid crystal panel. A display gray-level feature value of each display screen is extracted based on a video input signal. A black inserting signal to set a gray level of a black screen (frame) is generated based on the display gray-level feature value extracted by the displayed brightness extracting section. Based on a video input signal, a control signal is sent out to a source driver and another control signal is sent out to a gate driver and a gray level of a black screen to be inserted among display screens each making up a moving picture is set to a liquid crystal panel based on the black inserting signal generated by the black inserting signal computing section.

Abstract: A display panel which can be applied to a display device comprises a first substrate, a second substrate and a display element layer. The first substrate has a structure in which a device layer is stacked on an insulating substrate via a first conductive layer. A device layer has at least, a pixel electrode and a wiring that are connected to a pixel switch. The second substrate includes a second conductive layer that is provided so as to face the pixel electrode arranged on the above first substrate. A display element layer is interposed between the above first substrate and the above second substrate.

Abstract: To provide a liquid crystal display backlight and a liquid crystal display device, which can improve the heat dissipating effect, can reduce the thickness and weight of the device. The liquid crystal display backlight includes: an emission light guide plate for emitting illuminating light for a liquid crystal display panel from one face; one and other mixed-color light guides mounted on a same plane of other face of the emission light guide plate via a spacer; a heat-dissipating spatial area provided between the mixed-color light guide plates; light-emitting devices disposed within the heat-dissipating spatial area; and reflectors for guiding output light, propagated inside each mixed-color light guide plate, towards corresponding end faces of the emission light guide plate from outside end face of each mixed-color light guide plate. A holding plate for holding the light-emitting devices is provided, facing each mixed-color light guide plate with an airing gap provided therebetween.

Abstract: An active matrix addressing LCD device having an active matrix substrate on which conductive lines are formed is provided, which suppress the AI hillock without complicating the structure of the lines and which decreases the electrical connection resistance increase at the terminals of the lines, thereby improving the connection reliability. The device comprises an active matrix substrate having a transparent, dielectric plate, thin-film transistors (TFTs) arranged on the plate, and pixel electrodes arranged on the plate. Gate electrodes of the TFTs and scan lines have a first multilevel conductive structure. Common electrodes and common lines may have the first multilevel conductive structure. Source and drain electrodes of the TFTs and signal lines may have a second multilevel conductive structures. Each of the first and second multilevel conductive structures includes a three-level TiN/Ti/Al or TiN/Al/Ti structure or a four-level TiN/Ti/AI/Ti structure.

Abstract: There is provided a light-reflector used in a liquid crystal display device which uses an externally incident light as a light source by reflecting the externally incident light to a viewer, wherein the light-reflector is formed at a surface thereof with a rugged pattern comprised of an alternating pattern of pixel pattern areas, each pixel pattern area positioned to overlie a respective one pixel of the liquid crystal display device, each of the pixel pattern areas of the alternating pattern being different, wherein each pixel pattern area of the alternating pattern is comprised of alternately formed recessed and raised portions, and the alternating pattern is formed periodically repeatedly every two pixels.

Abstract: To provide a tape carrier capable of suppressing the formation of wrinkles at a non-continuous portion of strength of the tape carrier and avoid the signal line breakage associated with bending operation. A driver IC is mounted on an insulation film tape, input terminal is arranged at one end and an output terminal is arranged at the other end of the insulation film tape, input signal lines and output signal lines are individually mounted between the driver IC and each terminal, and a resin applying region is arranged at a mounting portion of the driver IC. An independent dummy pattern without connecting destination to be electrically connected to is arranged near each end on the side not facing each terminal of the driver IC on the insulation film tape, and the respective end on the driver IC side of each dummy pattern is extended into the resin applying region.

Abstract: Disclosed is an active matrix substrate which includes a display area and a terminal area located outside the display area. The terminal area includes extraction wirings connected with signal lines and scanning lines of the display area. A testing terminal for making contact with a probe of a prober and a connection terminal on which a chip is mounted are provided on each of the extraction wirings. The terminals are connected with the extraction wirings through contact holes. Even when an area of the testing terminal is larger than an area of the connection terminal, an opening area of a second contact hole for the testing terminal is reduced to an area smaller than an opening area of a first contact hole for the connection terminal.

Abstract: A LCD device includes a pair of polarizing films sandwiching therebetween a LC cell. The light-incident-side polarizing film includes a polarizing layer and a first retardation film, whereas the light-emitting-side polarizing film includes a polarizing layer and second and third retardation films. A specific combination of the first and third retardation films provides an optical compensation for achieving a lower leakage light and a lower chromaticity shift upon display of a dark state in the LCD device.

Abstract: A spacer spraying system and spacer spraying method are provided which are capable of spraying spacers uniformly in a liquid crystal display panel forming region on a substrate. A stage includes a main stage section having a predetermined size and an auxiliary stage section supported in the main stage section so as to be slid in the main stage section or another auxiliary stage section having a structure in which the auxiliary stage section can be connected to the main stage section. By making the auxiliary stage section be slid in the main stage section or be connected to the main stage section according to a size of a substrate mounted on the stage, a size of the stage is made changeable so that a distance between an edge portion of the stage and a liquid crystal display panel forming region existing near the edge portion of the stage falls within a predetermined range.

Abstract: A display comprising: an electro-optical material arranged between first and second planes facing each other; a first substrate arranged on the first plane and including a conductor that affords an electrical signal to the electro-optical material; a first electrically conductive film arranged on the second plane to afford an electrical signal to the electro-optical material; a second electrically conductive film arranged outside an area sandwiched between the first and second planes; and a current detection circuit that detects the current on the second electrically conductive film.

Abstract: A mode-selecting apparatus for selecting one of a first mode in which images are displayed on a display unit in accordance with a vertical synchronization control signal and a horizontal synchronization control signal, and a second mode in which images are displayed on the display unit in accordance with a data-enable signal, includes a first unit which counts a number of input horizontal synchronization control signals in each of frame periods, a second unit which counts a number of input data-enable signals in each of frame periods, and a third unit which selects one of the first and second modes in accordance with both the number of input horizontal synchronization control signals and the number of input data-enable signals.

Abstract: A semi-transmission type liquid crystal display that maximizes the luminance in reflection mode and transmission mode. The liquid crystal display comprises a lower substrate with thin film transistors, an opposite substrate facing the lower substrate, a liquid crystal layer between the lower substrate and the opposite substrate, a reflection electrode formed in a reflection area of the lower substrate, a transparent electrode formed in a transparent area of the lower substrate, a common electrode formed on the opposite substrate, and a drive circuit for applying a voltage between the reflection electrode and the transparent electrode and the common electrode. The potential difference between a drive voltage applied to that surface of the lower substrate which contacts the liquid crystal layer and a drive voltage applied to that surface of the opposite substrate which contacts the liquid crystal layer is lower in the reflection area than in the transparent area.

Abstract: A LCD unit includes a drive unit that drives a LC layer in at least a part of a unit pixel by applying thereto a longitudinal electric field. The drive unit drives the at least a part of the unit pixel in an image period by applying thereto an image voltage corresponding to an image, and in a preliminary period preceding to the image period by applying a preliminary voltage equal to or higher than a threshold voltage that allows LC molecules in the LC layer to start change of orientation of the LC molecules.

Abstract: Provided is a method of manufacturing an LCD device in which alignment films are formed by a method of printing non-contact alignment films on substrates. Print control patterns are provided between a sealing member and each of display regions. Each of the print control patterns is formed of a highly water-repellent region as well as any one of fine concave structures, fine convex structures and pillar-shaped bodies. The print control patterns control the spreading as liquid of alignment film materials to make the film thickness of each of the alignment film materials uniform.

Abstract: Disclosed is a liquid crystal display apparatus, including: a liquid crystal display panel; a polarizing plate which is processed to be conductive and is attached to a surface of the liquid crystal display panel; and a conductive frame, wherein the polarizing plate includes a projecting area which projects outward from the edge of the liquid crystal display panel, and wherein the conductive frame presses the projecting area of the polarizing plate in order to ground the polarizing plate. A method for grounding a liquid crystal display apparatus is also disclosed.

Abstract: Disclosed is a backlight unit which illuminates a display panel from a rear surface thereof, including at least: tubular lamps arranged in parallel to the panel; and a reflecting member which reflects light from the lamps toward the panel, wherein the reflecting member is divided into a first region opposed to an area near an electrode provided in an end portion of the lamp and a second region nearer to a middle area than the first region, the first region having a higher reflectance than the second region. In another backlight unit, a reflecting member is divided, with respect to the arrangement direction of the lamps, into an end lamp near region which is opposed to a lamp arranged in end portion and a middle region which is nearer to a middle area than the end lamp region, the end lamp region having a higher reflectance than the middle region.

Abstract: In order to improve the light transmissivity above the transparent comb-teeth electrodes provided in an in-plane switching mode active matrix liquid crystal display unit, the liquid crystal gaps above the transparent comb-teeth electrodes are made larger than the liquid crystal gaps between the transparent comb-teeth electrodes.

Abstract: A LCD device includes external terminals for metallic interconnects in a peripheral area on which TCPs are mounted. The external terminal includes a first ITO film connected to the metallic interconnect, a second ITO film formed on the first ITO film and a plurality of insulator islands sandwiched between the first ITO film and the second ITO film. The surface of the second ITO film has convex and concave portions whereby electric connection between the terminal of the TCP and the second ITO film is improved.