Abstract: A fabrication method of a thin film transistor array substrate includes a step of forming a gate insulation film, a semiconductor layer, an ohmic layer, and a metal film on the insulating substrate on which the gate line is formed, a step of forming a resist pattern on the metal film by a photolithography process so that its thickness is thinner on the corresponding section to the semiconductor active layer than on the other sections, a step of etching the metal film to form the source line, the source electrode, and the drain electrode, a step of removing the ohmic layer and the semiconductor layer after removing the resist on the corresponding section to the semiconductor active layer, a step of removing the metal film, and a step of removing the ohmic layer.

Abstract: The present invention is directed to a display device such as a liquid crystal display including: a horizontal clock counter and a vertical clock counter which count each clock signal every horizontal cycle and every vertical cycle for a valid data period of a data enable input signal; and an input signal generating section for holding a count value and generating an input signal in a driver IC and a driving circuit corresponding to a resolution of the display device which is obtained at that time by utilizing a count value held at a last time for a next horizontal cycle or a next vertical cycle, the display device being applicable to the driver IC and the driving circuit which can be used for the display device having various resolutions.

Abstract: A display apparatus according to the present invention is provided with a gate line 2 formed on an insulating substrate, a source line 13 intersecting with the gate line 2 with an insulating film in between, a source electrode 6 connected to the source line 13, a drain electrode 10 connected to a pixel electrode 9, a semiconductor layer 4 formed below the source electrode 6, the source line 13, and the drain electrode 10, a light-shielding pattern 12 configured below the semiconductor layer 4 lying below the source line 13, and a backlight emitting lights from a light source to the surface of the insulating substrate opposite to where pixels are formed. In this configuration, leakage current arisen in the semiconductor layer lying below the source line, the extending pattern of the drain electrode, and so on can be suppressed.

Abstract: A panel light source device includes: a light guide plate 1; a reflecting sheet 5, provided facing a rear face of the light guide plate 1, and an end of which is bent so as to face a side face of the light guide plate 1; a wire 4 disposed at a side face of the light guide plate 1 sandwiching the reflecting sheet 5 therebetween; and a slim case, wherein the slim case is constructed of a rear face case 7 a front face of which is open, the light guide plate 1, the reflecting sheet 5 and the wire 4 being housed therein through the front face thereof; and a front face case 6 engaged with the rear face case 7, the rear face case 7 having an reflecting sheet exposing section 14 formed so that a height of a portion of a side face in the wire side is lower than the other portion to expose the reflecting sheet 5. According to the present invention, there can be provided a panel light source device easy in an assembly work thereof.

Abstract: It is an object of the present invention to provide a panel light source device having a construction not only preventing a clearance between a reflecting sheet 5 and a light guide plate 1 from occurring, but also improving the luminance and uniformity in a light emitting surface at a low cost. A panel light source device includes a light guide plate 1 on a front face of which an optical sheet 2 is provided; a light emitter 3 to cause light to strike a side face of the light guide plate 1; a reflecting sheet 5, provided facing a rear face of the light guide plate 1, and an end of which wraps the light emitter 3 to reach the front face thereof; and a case 6, not only housing the light guide plate 1, the light emitter 3 and the reflecting sheet 5, but also equipped with a reflecting sheet contact section 20 causing part of a front face thereof to retreat toward a rear face side thereof to bring the part of a front face thereof into contact with the reflecting sheet 5.

Abstract: An electrooptical element used in liquid crystal display accordance to this invention is provided with a storage capacitance wiring group and collective drawing wiring. At the time of wet etching of transparent conductor film of pixel electrodes, all wiring of the storage capacitance wiring group are electrically separated each other, and after wet etching of the pixel electrodes, all of the storage capacitance wiring group are electrically connected with collective drawing wiring. The capacitance value of the storage capacitance wiring is small at the time of wet etching of the pixel electrodes, thus preventing the corrosion of the storage capacitance wiring.

Abstract: An active matrix-type liquid crystal display device is provided with a black matrix which prevents light leakage between pixels, wherein the apertures in the black matrix in panel peripheral regions are made smaller than the apertures in the black matrix in the panel center region. Consequently, the occurrence of light leakage due to alignment anomalies arising from the horizontal-direction electric field between the signal lines and scanning lines and the pixel electrodes can be suppressed, and display quality can be enhanced without detracting from manufacturing efficiency or yield and without reducing the brightness of the liquid crystal display device, so that this invention affords excellent advantages.

Abstract: A semi-transmissive liquid crystal display device is provided with a pixel electrode having in one pixel a reflective electrode reflecting outside light, and a transmissive electrode transmitting light from a back light source, on one of a pair of substrates facing to each other with a liquid crystal film placed in between. The reflective electrode and the transmissive electrode constituting the pixel electrode are formed without having a insulation layer in between. A manufacturing process thereof is simplified by halftone exposure.

Abstract: A liquid crystal display device for color display comprising a transmission type liquid crystal panel capable of controlling an amount of transmission light and a backlight disposed behind the liquid crystal panel capable of emitting three colors of light separately in a time-dividing manner, in which three data corresponding to the three colors of the backlight are displayed sequentially to thereby make the backlight emit a corresponding color in a period corresponding to data to be displayed. The switching can be performed manually or in response to outside signal, between a sequence in which the backlight emits three colors separately one time in one display period to perform color display, and a sequence in which the backlight emits three colors simultaneously three times to perform black-and-white display. The backlight emission can be switched depending on the intensity of outer light, thereby allowing switching between color display with low intensity and black-and-white display with high intensity.

Abstract: A display apparatus is provided with a display module having a display surface and being provided with a first hole on the reverse side of the display surface, a housing being located in a position reverse to the display surface of the display module and being provided with a second hole formed in a position corresponding to the first hole, and a screw for being inserted into the second hole on the housing from the side reverse to the display module, to be fitted into the first hole, so as to fix the display module to the housing, thereby facilitating mounting of the display module on the housing and miniaturizing the housing.

Abstract: The present invention is directed to a method of driving a liquid crystal display, where said liquid crystal display includes steps of: setting said central electric potential of said source signals and said central electric potential of said common signals, in such a manner as to compensate a reduction of said electric potential of a pixel electrode induced by said gate signals in a case of the gradation where said amplitude of said source signals is large, and setting said central electric potential of said source signals, in such a manner that said central electric potential of said source signals is higher than said central electric potential of said source signals compensating said reduction of the electric potential induced by said gate signals in case of the gradation where said amplitude of said source signals is small.

Abstract: A pressure-welded structure of flexible circuit boards in a liquid crystal display device having a group of lead terminals of flexible circuit boards connected with a plurality of terminals aligned on an end surface of a TFT glass substrate via anisotropic conductive films. A resin is applied on a surface opposite to the terminal surface of the flexible circuit boards, and an end portion of the resin is 0.1 to 10 mm away from an end portion of a resin applied on the terminal surface of the flexible circuit boards, thereby both resins applied on the terminal surface and on the other surface overlap each other by 0.1 to 10 mm. It is possible to improve not only the yield in module assembly but also the quality and reliability of the product.

Abstract: The present invention is a method of mounting flexible circuit boards including: electrode groups formed on an insulating substrate; terminal groups formed in the vicinity of at least one side of the insulating substrate in such a manner as to be connected to outside at the electrode ends of the electrode groups; and terminals to be connected to the terminal groups; and a plurality of flexible circuit boards equipped with driver circuits inputting signals to the electrode groups via the terminals, wherein the method includes the step of mounting the flexible circuit boards on the insulating substrate in a manner that the flexible circuit boards share overlap regions with adjacent flexible circuit boards.

Abstract: A sheet-like light source device of edge-light type comprising at least a light source, a light-conducting plate and a retention member for retaining the light-conducting plate. At least one convex portion or concave portion is provided on a lateral surface portion of the light-conducting plate other than a light-incident portion with the light-conducting plate being held in a specified positional relationship by means of the retention member formed with a concave portion or a convex portion which fits with the convex portion or concave portion of the light-conducting plate. A light-absorbing means is provided on at least a surface portion of either surface of the concave portion or convex portion of the retention member. It is possible to eliminate occurrence of abnormal emission of light and decreases in luminance so that the display quality of the display might be maintained.

Abstract: A matrix display panel has scan lines that are selected in consecutive order. An interlaced image signal is displayed by the use of one or more output enable signals that enable only every second selected scan line to be driven. A progressively scanned image signal having a frame rate too high to be handled by the matrix display panel is displayed as an interlaced image, by use of the same output enable signals. Consequently, no frame memory is needed for scanning conversion or frame-rate conversion.

Abstract: The present invention is directed to a liquid crystal display apparatus including: a timing circuit for operating a shift register within a timing circuit during a vertical blanking period such that a common signal that has been alternated at a cycle of a Single Horizontal period is applied on counter electrodes during the vertical blanking period and such that a storage electrode signal is applied on storage electrodes having a frequency, phase and amplitude identical to those of the common signal.

Abstract: A lamp lighting terminal 4 which is a conductive pad connected to a power supply terminal of a lamp is mounted on a surface opposite to a light emitting surface of a flat-type light source apparatus 3. Then, a terminal of a inspection device 16 is brought into contact with the lamp lighting terminal 4 to light up a liquid crystal display apparatus, thereby allowing inspection to be carried out. The flat-type light source apparatus 3 may be provided with a light guide 9 inputting lights from a light source through the side to output the light through one surface. In this configuration, inspection work at the time of lighting inspection of a liquid crystal display is simplified, and a high-quality liquid crystal display can be obtained.

Abstract: An active matrix liquid crystal display of (2×1) dot inversion driving system, wherein in a case where the active matrix display is driven, voltage is applied to the pixels in such a manner that polarity is changed every source line in the horizontal direction and every two gate lines in the vertical direction. Further, a plurality of pixels is provided with a switching element, and charging characteristics of the pixels are made uniform both at the time of selecting the n-th line gate wire 1 at which the polarity of the source potential is inverted and at the time of selecting the (n+1)th line gate wire 2 at which no inversion is made in the source potential, whereby unevenness in luminance occurring in each line in raster display can be reduced.

Abstract: A backlight assembly for a liquid crystal display device comprising lamp units each including a lamp reflector, a lamp portion attached within the lamp reflector and lamp rubbers provided on both ends of the lamp portion, and a frame for holding the lamp units. The lamp units are arranged to include means for maintaining a predetermined clearance between at least end portions of the lamp units and the frame. It is possible to easily perform assembly and exchange of lamp units and to further achieve improvements in reliability.

Abstract: A terminal interconnection 45a including an aluminum alloy film 4a and a nitrogen-containing aluminum film 5a layered together is formed on a glass substrate 2. Nitrogen-containing aluminum film 5a in a contact portion 12a within a contact hole 11a exposing the surface of terminal interconnection 45a has a predetermined thickness d1 determined based on a specific resistance of the nitrogen-containing aluminum film. The thickness of the nitrogen-containing aluminum film outside the contact portion is larger than that of the nitrogen-containing aluminum film within the contact portion. Thereby, a semiconductor device or a liquid crystal display device having a reduced contact resistance and an appropriate resistance against chemical liquid is achieved.