Abstract: A liquid crystal display panel is provided to an active matrix type liquid crystal display. A TFT side substrate and an opposite side substrate are provided to the liquid crystal display panel. A liquid crystal layer is provided between these substrates. The product (retardation) “&Dgr;n·d” of the refractive index anisotropy &Dgr;n of a liquid crystal material in the liquid crystal layer and the thickness d of the liquid crystal layer is 0.12 to 0.18 &mgr;m.

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: A multi-domain liquid crystal display device having sharp contrast and excellent viewing angle characteristics is provided without increased complicated processes such as microfabrication for a common electrode or without the necessity for highly sophisticated laminating technology. The multi-domain liquid crystal display device is composed of a control electrode connected to a source terminal being one of terminals of a TFT (Thin Film Transistor) serving as a switching device, a picture electrode having an aperture section provided with one coupling capacitor connected between the pixel electrode and the control electrode, wherein a partial voltage of a signal voltage is applied to the pixel electrode through the other coupling capacitor.

Abstract: An active matrix type liquid crystal display device in a horizontal electric field scheme having a favorable holding characteristic and a reduced feedthrough voltage as well as satisfactory display evenness and reliability with an aperture ratio maintained is disclosed. The device comprises, on the first substrate, a plurality of scanning lines and a plurality of signal lines orthogonal to one another, a thin film transistor intersection of a scanning line and a signal line, the common electrode extending substantially parallel to the scanning lines and having a plurality of comb-tooth projections extending toward the scanning lines, the pixel electrodes formed substantially parallel to the comb-tooth projections in gaps between the adjacent comb-tooth projections of the common electrodes, the interlayer insulating film separating the common electrodes and the pixel electrodes, and a first alignment film formed above the pixel electrode interposed by a protective insulating film.

Abstract: Pairs of electrodes are disposed at a predetermined interval, each pair, which forms a unit, consisting of a lower comb-tooth-like electrode 103 and an upper comb-tooth-like electrode 107 which overlap each other by several micrometers. The electric field which is originated from the upper comb-tooth-like-electrode 107 is vertical on the surface of the electrode. In addition, with respect to the electric field which is originated from the lower comb-tooth-like-electrode 103, it is originated from the edge and the top flat portion thereof. In this condition, the electric field is vertical only in the vicinity of the upper comb-tooth-like-electrode 107 and the lower comb-tooth-like electrode 103. Moreover, the electric field which is originated from the edge of the lower comb-tooth-like electrode 103 extends within the insulation film layer 104 and the transistor protection film 108, and thus it is not applied to the liquid crystal.

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: 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 apparatus includes a first substrate, a second substrate and a liquid crystal layer interposed between the first substrate and the second substrate. The first substrate includes on a surface facing the second substrate, a plurality of gate bus lines extending into a row direction, a plurality of drain bus lines extending into a column direction, and a plurality of pixels arranged in matrix.

Abstract: An LCD including a pair of transparent dielectric substrates, liquid crystal sandwiched between the transparent dielectric substrates; a TFT formed overlying the first transparent dielectric substrate, a first dielectric film made of non-photosensitive resin and a second dielectric film made of photosensitive resin which cover the inner side surface of a through-hole formed in the first and the second dielectric films. The yield and the reliability of the LCD are elevated because of the smooth shape of the second dielectric film.

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: First and second transparent substrates which are arranged to face each other are provided to a color liquid crystal display panel. A liquid crystal layer is provided between the first and the second transparent substrates, A plurality of thin film transistors are provided on the first transparent substrate. An insulation film provided on the first transparent substrate so as to cover the thin film transistors. A color filter which includes first to third color layers stacked on the insulation layer is provided. A contacting color layer is provided on the insulation film in a region above the thin film transistors. The contacting color layer has at least one color layer selected from a group of composed of the first to third color layers. A black matrix is provided on the contacting color layer. The black matrix has opening portions for transmitting light from the color filter.

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: A parallel field active matrix liquid crystal display comprising a means for varying the intensity of an applied electric field. The intensity of the applied electric field is varied by insulating film slits or electric field shield pixel electrodes. Insulating film slits are defined by removing an insulating film between electrode pairs, in any one or more of a plurality of pairs of electrodes including pixel electrodes and common electrodes within a unit pixel of a display pixel. Alternatively, electric field shield pixel electrodes for shielding part of an electric field are patterned in the same layer as pixel electrodes above several common electrodes of a plurality of pairs of electrodes including pixel electrodes and common electrodes within a unit pixel of a display pixel.

Abstract: In an in-plane liquid crystal display apparatus including a first transparent substrate having a plurality of gate bus lines, a plurality of drain bus lines, a plurality of pixel electrodes each connected via a switching element to one of the drain bus lines, and a common electrode on the first transparent substrate; a second transparent substrate; and a liquid crystal layer interposed between the first and second transparent substrate, an optical shield layer, is formed on the first transparent substrate and covers the drain bus lines.

Abstract: In a liquid crystal display apparatus including a plurality of gate lines, a plurality of drain lines, and a plurality of pixels each including a liquid crystal cell having a pixel electrode connected to a storage capacitor and a switching element connected between the liquid crystal cell and one of the drain lines, a gate of the switching element is connected to one of the gate lines, and a capacitance of the storage capacitor is changed in accordance with a distance between said pixel and an input end of a corresponding one of the gate lines.

Abstract: In a large-sized liquid crystal display panel formed through multiple time exposure using a single mask, the storage capacity between a gate and a source of TFT is adjusted by making an offset for exposure at the exposure connecting portion to decrease variations in the feedthrough voltage in a screen. Further, by preparing the layout of an exposure mask such that the overlap area between a gate signal wire or a storage wire and a pixel electrode is made smaller the farther the overlap area is from a gate signal input part. By making the overlap area smaller, the storage capacity is made smaller, which decreases the variation of the feedthrough voltage in the single exposure area.

Abstract: There is provided a method of fabricating a thin film transistor array having a transparent insulating substrate, a plurality of thin film transistors formed on the substrate in a matrix, a gate bus line connected to gate electrodes of the thin film transistors, a drain bus line connected to drain electrodes of the thin film transistors, and a pixel electrode driven by the thin film transistors, the method including the steps of forming the gate electrode and the gate bus line on the transparent insulating substrate, forming a gate insulating film over the substrate, forming an operative semiconductor on the gate insulating film, forming the source electrodes, drain electrodes, and drain bus line of the thin film transistors on the gate insulating film and the operative semiconductor, forming a protection film all over the substrate, removing a portion of both the gate insulating film and the protection film, located above a terminal of the gate bus line, and also removing a portion of the protection film loc

Abstract: In an in-plane liquid crystal display apparatus including a ladder type source electrode having two first parallel sides and a plurality of first cross-pieces between the first parallel sides, and a ladder type common electrode having two second parallel sides and a plurality of second cross-pieces between the second parallel sides, the ladder type source electrode and the ladder type common electrode define one pixel area divided into a plurality of sub pixel areas. Each of the sub pixel areas is partitioned by one of the first parallel sides, one of the first cross-pieces, one of the second parallel sides and one of the second cross-pieces.

Abstract: The invention provides a device to be used for a liquid crystal display including (a) a pair of substrates A and B facing to each other, (b) a plurality of electrodes formed in electrical connection with the substrate A, (c) sealing material for adhesively connecting the substrates A and B at margins thereof to each other so that the substrates A and B are spaced away from each other, (d) liquid crystal filled in a space formed between the substrates A and B, and (e) black matrix formed on the substrate B. The black matrix is formed with at least one opening so that the sealing material can make direct contact with a surface of said substrate B, the opening having a width smaller than a width of the electrodes.

Abstract: An LCD device that is able to remove the luminance unevenness on the display area while preventing the short-circuit and open-circuit is provided. The LCD device includes a liquid-crystal panel having first and second substrates and liquid crystal filled in a space formed between the first and second substrates. Pixel electrodes are formed on the first substrate and are arranged in a matrix array in a display area of the panel. Driving lines are formed on the first substrate in the display area and are electrically connected to the respective pixel electrodes. Terminal areas are formed on the first substrate outside the display area. Driver ICs are mounted on the first substrate outside the display area and are electrically connected to the corresponding terminal areas. Connection lines are formed on the first substrate outside the display area and are electrically connected to the respective driving lines and the corresponding terminal areas.