Abstract: A liquid crystal display device prevents light leakage in a black display of a projected image when a light source reaches a higher temperature, and displays a high-quality image without any lost sense of reality. The device includes a light-transmissive liquid crystal display element including two glass substrates and a liquid crystal layer sealed between the glass substrates, a backlight device that emits light toward one glass substrate in the liquid crystal display element, an emission-light polarizing plate on the other glass substrate, an incident-light polarizing plate on the one glass substrate, and a polarizer being a plate and including a base layer including a glass substrate and a metal layer stacked on the base layer and having a polarization function. The polarizer is located with the base layer facing the incident-light polarizing plate. The base layer is thicker than each of the glass substrates.

Abstract: A liquid crystal display device includes a light source including a plurality of light emitters each to emit a laser beam and an emission surface through which the laser beam is emittable from each of the plurality of light emitters, and a liquid crystal panel on the emission surface to control an amount of the laser beam incident through the emission surface to be transmitted for display. Each of the plurality of light emitters emits the laser beam at an incident polarization angle on the liquid crystal panel maximizing a transmittance of the laser beam through the liquid crystal panel.

Abstract: A liquid crystal display device prevents light leakage in a black display of a projected image when a light source reaches a higher temperature, and displays a high-quality image without any lost sense of reality. The device includes a light-transmissive liquid crystal display element including two glass substrates and a liquid crystal layer sealed between the glass substrates, a backlight device that emits light toward one glass substrate in the liquid crystal display element, an emission-light polarizing plate on the other glass substrate, an incident-light polarizing plate on the one glass substrate, and a polarizer being a plate and including a base layer including a glass substrate and a metal layer stacked on the base layer and having a polarization function. The polarizer is located with the base layer facing the incident-light polarizing plate. The base layer is thicker than each of the glass substrates.

Abstract: A liquid crystal display device includes pixels, each of which includes a first transistor and a second transistor. The size of the first transistor is larger than the size of the second transistor. In addition, channel widths and gate widths for the first transistor are larger than those of the second transistor. Also, the first transistor is located to be closer to a drain signal line provided for the pixel than the second transistor. In normal operation, the first transistor is coupled to the drain signal line and the second transistor is floating. However, if an abnormality occurs in the first transistor, it is cut off from the drain signal line and the second transistor is connected to the drain signal line by a repair line.

Abstract: A capacitive touch panel has a plurality of first transparent electrodes and a plurality of second transparent electrodes on a transparent substrate. At crossing portions between the first and second electrodes, adjacent electrodes of the second electrodes have no interruption, and adjacent electrodes of the first electrodes are interrupted. An interlayer insulating film is disposed as an upper layer on the second electrodes, and a bridge electrode is disposed as an upper layer on the interlayer insulating film to connect interrupted portions of the first electrodes at the crossing portions. The material constituting the bridge electrode contains an element that is more susceptible to oxidation than elements contained in a material constituting the second electrodes. Constant voltage is applied to the first electrodes, and a pulse voltage having a low potential equal to or higher than the potential of the first electrodes is applied to the second electrodes.

Abstract: To provide a liquid crystal display device capable of preventing light leakage when a stress is exerted during no operation in a normally black IPS mode. In a normally black IPS mode liquid crystal display device 15, a liquid crystal layer 5 is interposed between a first glass substrate 1 and a second glass substrate 2, and a third glass substrate 3 is fixed to the second glass substrate 2. At that time, a retardation layer 7 to impart to a transmitted light a phase difference corresponding to a half-wavelength of the transmitted light, is provided between the second glass substrate 2 and the third glass substrate 3. Further, a first polarizing plate 8 and a second polarizing plate 9 are provided so that the respective absorption axes are perpendicular to each other.

Abstract: The object of the invention is to provide a liquid crystal display device having a flexural panel formed by bending the normal plan liquid crystal panel, which possesses an excellent display quality without the leakage of the light. The technical solution thereof is: the entire liquid crystal panel is bent to form a concave shape bend at the observer's side of the liquid crystal panel, that is, at a side of the CF substrate, towards the observer, so that the pitch at the horizontal direction of the respective pixels on the CF substrate is shorter than the pitch at the horizontal direction of the respective pixels on the TFT substrate, or to make said the same as each other and the width at the horizontal direction of the black matrix existing in both left and right end regions of the horizontal direction on the CF substrate, which is bent to a concave shape, is greater than the width at the horizontal direction of the black matrix disposing in the central section region.

Abstract: A display device with signal lines formed on a substrate and an organic insulation film which covers the signal lines and is formed over an upper layer side of the substrate, the display device further includes a terminal portion on which a conductive film is formed in a state that the conductive film covers portions of the signal lines which are exposed through openings formed in the organic insulation film, wherein the organic insulation film sets a film thickness thereof at a periphery of the terminal portion smaller than the film thickness at other portions, and a surface of small-film-thickness portion arranged in peripheries of the openings is formed into an uneven surface.

Abstract: A liquid crystal display device includes pixels, each of which includes a first transistor and a second transistor. The size of the first transistor is larger than the size of the second transistor. In addition, channel widths and gate widths for the first transistor are larger than those of the second transistor. Also, the first transistor is located to be closer to a drain signal line provided for the pixel than the second transistor. In normal operation, the first transistor is coupled to the drain signal line and the second transistor is floating. However, if an abnormality occurs in the first transistor, it is cut off from the drain signal line and the second transistor is connected to the drain signal line by a repair line.

Abstract: A normal transistor CTFT connected to a data signal line DL and a pixel electrode PX and a spare transistor FTFT in a floating state are formed on a gate line GL. When an operational abnormality occurs in the normal transistor CTFT, the normal transistor CTFT is cut off from the data signal line DL and is cut off from the pixel electrode PX connected via a through hole TH by cutting lines CL. Thereafter, the spare transistor FTFT is connected to the data signal line DL and the pixel electrode PX by repair lines RL.

Abstract: An active matrix liquid crystal display device includes a plurality of gate signal lines and a plurality of drain signal lines formed on a substrate. The gate signal lines extend in parallel to one another, and the drain signal lines extend in parallel to one another, and a dummy line is formed between each of adjacent parallel extending drain signal lines.

Abstract: A display device is provided with a first contact hole formed in a display region and a second contact hole formed in a terminal region, and a first insulating layer and a second insulating layer formed in that order. The taper angle of the first insulating layer at the first contact hole is larger than the taper angle of the first insulating layer at the second contact hole, and the taper angle of the second insulating layer at the first contact hole is larger than the taper angle of the second insulating layer around the second contact hole.

Abstract: The invention discloses a liquid crystal panel used for liquid crystal display device and a method for manufacturing the same. The object of the invention is to provide a liquid crystal panel having the following structure in order to utilize effectively the peripheral portion of the liquid crystal panel: in a liquid crystal panel which is formed by sandwiching the liquid crystal between a TFT substrate configured with the pixels in a matrix shape and a CF substrate configured with the color filter and sealing the peripheral area with a seal material, the seal material is completely overlappingly disposed on the BM of the CF substrate, and in order to electrically connect said TFT substrate and said CF substrate, a conductive material is adjoined at the outer side of said seal material and is configured to overlap the BM completely, and a structure in which said BM only projects outwardly at the portion, where said conductive material is disposed, is formed.

Abstract: The object of the invention is to provide a liquid crystal display device having a flexural panel formed by bending the normal plan liquid crystal panel, which possesses an excellent display quality without the leakage of the light. The technical solution thereof is: the entire liquid crystal panel is bent to form a concave shape bend at the observer's side of the liquid crystal panel, that is, at a side of the CF substrate, towards the observer, so that the pitch at the horizontal direction of the respective pixels on the CF substrate is shorter than the pitch at the horizontal direction of the respective pixels on the TFT substrate, or to make said the same as each other and the width at the horizontal direction of the black matrix existing in both left and right end regions of the horizontal direction on the CF substrate, which is bent to a concave shape, is greater than the width at the horizontal direction of the black matrix disposing in the central section region.

Abstract: A normal transistor CTFT connected to a data signal line DL and a pixel electrode PX and a spare transistor FTFT in a floating state are formed on a gate line GL. When an operational abnormality occurs in the normal transistor CTFT, the normal transistor CTFT is cut off from the data signal line DL and is cut off from the pixel electrode PX connected via a through hole TH by cutting lines CL. Thereafter, the spare transistor FTFT is connected to the data signal line DL and the pixel electrode PX by repair lines RL.

Abstract: A normal transistor CTFT connected to a data signal line DL and a pixel electrode PX and a spare transistor FTFT in a floating state are formed on a gate line GL. When an operational abnormality occurs in the normal transistor CTFT, the normal transistor CTFT is cut off from the data signal line DL and the pixel electrode PX by cutting lines CL. The spare transistor FTFT is connected to the data signal line DL and the pixel electrode PX by repair lines RL.

Abstract: The present invention realizes a liquid crystal display device corresponding to high frequency. In a display device in which a plurality of drain electrode lines and a plurality of gate electrode lines are arranged in a matrix array, a pixel region is defined at a portion which is surrounded by two neighboring drain electrode lines and two neighboring gate electrode lines, each pixel region includes a TFT element, and a mass of pixel regions form a display region, each time the drain electrode line traverses the gate electrode line in the extending direction of the drain electrode line, the arrangement direction of TFT elements with respect to the drain electrode line is inverted, and a TFT element is arranged outside the display region each time the drain electrode line traverses two gate electrode lines.

Abstract: A display device with signal lines formed on a substrate and an organic insulation film which covers the signal lines and is formed over an upper layer side of the substrate, the display device further includes a terminal portion on which a conductive film is formed in a state that the conductive film covers portions of the signal lines which are exposed through openings formed in the organic insulation film, wherein the organic insulation film sets a film thickness thereof at a periphery of the terminal portion smaller than the film thickness at other portions, and a surface of small-film-thickness portion arranged in peripheries of the openings is formed into an uneven surface.

Abstract: A display device is provided with a first contact hole formed in a display region and a second contact hole formed in a terminal region, and a first insulating layer and a second insulating layer are formed in that order. The taper angle of the first insulating layer at the first contact hole is larger than the taper angle of the first insulating layer at the second contact hole, and the taper angle of the second insulating layer at the first contact hole is larger than the taper angle of the second insulating layer around the second contact hole.

Abstract: Generation of stain-like display defects is prevented. There are provided in a liquid crystal-side pixel region of one substrate of respective substrates that are disposed to oppose each other with liquid crystals interposed therebetween a thin-film transistor being driven by a scan signal from a gate signal line, a pixel electrode to which an image signal from a drain signal line is supplied from this thin-film transistor, a protective film that is formed to also cover the thin-film transistor and the pixel electrode, and a resin film as formed on an upper surface of this protective film.