Abstract: A liquid crystal display panel for displaying an image by controlling an orientation direction of a liquid crystal mixture with respect to each pixel, includes a first common electrode which is formed on a first substrate; a second common electrode which is formed on a second substrate and includes a predetermined opening; and a pixel electrode which is formed on the second substrate, wherein the first substrate faces the second substrate so that the liquid crystal mixture with positive dielectric anisotropy is sandwiched between the first common electrode and the second common electrode, and wherein the orientation direction of the liquid crystal mixture changes mainly in a face parallel to the substrate according to an electric field generated from electric potential of the first common electrode, the second common electrode, and the pixel electrode.

Abstract: A liquid-crystal display suitable for the optically compensated birefringence (OCB) display mode is used so as to simplify the voltage setting relating to display of each color by setting as follows. A liquid-crystal layer is oriented to bend alignment between a pair of substrates. A phase compensation plate is set for compensating a phase of the liquid-crystal layer outside of each of the substrates. And a retardation between the liquid-crystal and the phase compensation plates is set to a value ½ or less of the minimum wavelength of the light relating to display.

Abstract: In a liquid crystal display device comprising a first substrate 101 having a color filter, a second substrate 131 and a liquid crystal layer disposed therebetween, a color filter layer 110 is disposed on a protection film 108 of a thin film transistor formed on the first substrate 101 so as to be partitioned by a light shielding portion 111, and a common electrode 103 is disposed thereon. A pixel electrode to be connected to a source electrode 107 is disposed through a through hole formed in an overcoat layer (interlayer separation film) 112. On the first substrate below the color filter layer 110 are provided plural scan signal electrodes, plural video signal electrodes crossing the scan signal electrodes in a matrix form, plural thin film transistors formed in association with the crossing points between the electrodes.

Abstract: A liquid crystal display panel includes a moving image display area in which the pixel portions are arranged in a matrix shape and a pictograph display area in which the pixel portions are formed in a fixed pictograph shape. Moreover, first protective elements are inserted between the respective pixel portions in the moving image display area and a drive circuit for the pixel portions and are arranged in an outer periphery of the moving image display area. Second protective elements are inserted between the respective pixel portions in the pictogram display area and a drive circuit for the pixel portions and arranged in an outer periphery of the pictogram display area.

Abstract: A liquid crystal display has a first substrate formed with a picture character pixel electrode for displaying a picture character represented by a fixed pattern, a second substrate formed with a common electrode opposite to the picture character pixel electrode, and a liquid crystal layer sandwiched between the first substrate and the second substrate. The picture character pixel electrode is formed on an interlayer insulating film, and is connected to a picture character signal electrode formed below the interlayer insulating film through a plurality of contact holes formed through the interlayer insulating film.

Abstract: In a peripheral region of an active matrix substrate, disposed is a wiring pattern of control signal wirings or power supply wirings for drive ICs mounted. The wiring pattern includes a plurality of wirings. In addition, a transfer pad is provided, which supplies a common potential to a counter electrode of a counter substrate. Moreover, a common voltage wiring connected to the transfer pad is provided. Furthermore, between the plurality of wirings and the common voltage wiring, a plurality of protective transistors are connected.

Abstract: In a manufacturing method of a color liquid crystal display device, a first conductive film is formed on a transparent insulating substrate to form a gate electrode and a gate bus line (first PR process). A gate insulating film, a semiconductor layer, an ohmic layer, and a second conductive film are deposited to form an island of a thin film transistor and a drain bus line (second PR process). Then, color filters in respective three colors are formed in their respective predetermined regions on the transparent insulating substrate in succession (third through fifth PR processes). A black matrix is formed, and a drain electrode and a source electrode are formed in the island by removing the second conductive film and ohmic layer on a region corresponding to the channel region by using the black matrix as a mask (sixth PR process). Then, a planarization film and a pixel electrode are formed (seventh and eighth PR processes).

Abstract: A reflection plate is formed so as to have a wavy surface, and to have uneven distribution of normal line directions of the surface in terms of a specific azimuth angle. The wavy surface is formed due to line-shaped protruding patterns and an insulation film layer. The protruding patterns intersect with one another to form concave portions each having a shape of a closed figure. The protruding patterns are formed by patterning such that they have almost uniform thickness.

Abstract: A liquid crystal display panel includes a moving image display area in which the pixel portions are arranged in a matrix shape and a pictograph display area in which the pixel portions are formed in a fixed pictograph shape. Moreover, first protective elements are inserted between the respective pixel portions in the moving image display area and a drive circuit for the pixel portions and are arranged in an outer periphery of the moving image display area. Second protective elements are inserted between the respective pixel portions in the pictograph display area and a drive circuit for the pixel portions and arranged in an outer periphery of the pictograph display area.

Abstract: An active matrix LCD device includes a TFT panel, a counter panel and liquid crystal interposed therebetween. The TFT panel includes a plurality of scanning lines and a plurality of common lines formed in one layer and extending in a row direction, and a plurality of signal lines extending in a column direction. A coupling line for coupling the common lines together is disposed outside the pixel array of the TFT panel, such as in a TCP mounted on the TFT panel and mounting thereon a driver IC for driving the scanning lines.

Abstract: To provide a reflection plate and a reflection type liquid crystal display apparatus, in which a light from a light source of a fluorescent light or the sun light can be effectively used to thereby increase an amount of lights to be reflected to an observer side so that a bright display can be obtained, and a method of manufacturing the same.

Abstract: An active matrix LCD device includes a TFT panel, a counter panel and liquid crystal interposed therebetween. The TFT panel includes a plurality of scanning lines and a plurality of common lines formed in one layer and extending in a row direction, and a plurality of signal lines extending in a column direction. A coupling line for coupling the common lines together is disposed outside the pixel array of the TFT panel, such as in a TCP mounted on the TFT panel and mounting thereon a driver IC for driving the scanning lines.

Abstract: A difference in potential between a common power supply voltage and a data signal voltage required for driving an active-type liquid crystal display device is used, thereby making it possible to display a pictogram without additionally input a new signal to an opposite side. Moreover, a gray scale of a data signal is adjusted, thereby reducing a direct-current component in pictogram driving. A pictogram electrode in a pictogram display area is driven by a part of extra output terminals of a data driver for driving a moving image display area. With this, in a liquid crystal display device using thin-film transistors (TFTs) with a common substrate being an electrode on its entire surface, a simple structure including a moving image area and a pictogram display area is provided.

Abstract: In a manufacturing method of a color liquid crystal display device, a first conductive film is formed on a transparent insulating substrate to form a gate electrode and a gate bus line (first PR process). A gate insulating film, a semiconductor layer, an ohmic layer, and a second conductive film are deposited to form an island of a thin film transistor and a drain bus line (second PR process). Then, color filters in respective three colors are formed in their respective predetermined regions on the transparent insulating substrate in succession (third through fifth PR processes). A black matrix is formed, and a drain electrode and a source electrode are formed in the island by removing the second conductive film and ohmic layer on a region corresponding to the channel region by using the black matrix as a mask (sixth PR process). Then, a planarization film and a pixel electrode are formed (seventh and eighth PR processes).

Abstract: In a manufacturing method of a color liquid crystal display device, a first conductive film is formed on a transparent insulating substrate to form a gate electrode and a gate bus line (first PR process). A gate insulating film, a semiconductor layer, an ohmic layer, and a second conductive film are deposited to form an island of a thin film transistor and a drain bus line (second PR process). Then, color filters in respective three colors are formed in their respective predetermined regions on the transparent insulating substrate in succession (third through fifth PR processes). A black matrix is formed, and a drain electrode and a source electrode are formed in the island by removing the second conductive film and ohmic layer on a region corresponding to the channel region by using the black matrix as a mask (sixth PR process). Then, a planarization film and a pixel electrode are formed (seventh and eighth PR processes).

Abstract: An active matrix substrate plate having superior properties is manufactured at high yield using four photolithographic fabrication steps. In step 1, the scanning line and the gate electrode extending from the scanning line are formed in the glass plate. In step 2, the gate insulation layer and the semiconductor layer comprised by amorphous silicon layer and n+ amorphous silicon layer is laminated to provide the semiconductor layer for the TFT section. In step 3, the transparent conductive layer and the metallic layer are laminated, and the signal line, the drain electrode extending from the signal line, the pixel electrode and the source electrode extending from the pixel electrode are formed, and the n+ amorphous silicon layer of the channel gap is removed by etching. In step 4, the protective insulation layer is formed, and the protective insulation layer and the metal layer above the pixel electrode are removed by etching.

Abstract: In a liquid-crystal display panel, columnar spacers are formed on a substrate on the transparent electrode side in minimally a part of the pixel parts of a plurality of pixel parts, in which there is little variation in the film thickness of a plurality of films formed over the substrate.

Abstract: A reflection plate is formed so as to have a wavy surface, and to have uneven distribution of normal line directions of the surface in terms of a specific azimuth angle. The wavy surface is formed due to line-shaped protruding patterns and an insulation film layer. The protruding patterns intersect with one another to form concave portions each having a shape of a closed figure. The protruding patterns are formed by patterning such that they have almost uniform thickness.

Abstract: An IPS (In-Plane Switching) liquid crystal display is disclosed that maintains excellent display uniformity and high aperture ratio as well as high yield during fabrication, and that includes a first transparent substrate, a second transparent substrate arranged to confront the first transparent substrate and provided with a second alignment layer, and a liquid crystal component sealed between the first transparent substrate and second transparent substrate. The first transparent substrate is provided with: a transparent insulating substrate, pixel electrodes and common electrodes that are arranged alternately and substantially parallel to each other on the transparent insulating substrate, a plurality of pixels arranged in matrix form, scan lines and switching elements for controlling the electric field applied to the pixel electrodes, signal lines, and a first alignment layer.

Abstract: An opposite substrate of a reflection-type color liquid crystal display apparatus has a transparent insulation substrate made of glass or the like. An uneven portion is formed on a surface of the opposite substrate on the side of a liquid crystal. A flattened film made of acryl, polyimide or the like is formed to cover the uneven portion of the transparent insulation substrate. A common opposite electrode made of ITO or the like is formed on the flattened film. A liquid crystal orientation layer made of polyimide or the like is formed on the opposite electrode. A light scattering mechanism is constituted of said uneven portion of the transparent insulation substrate and the flattened film.