Abstract: A code conversion apparatus includes an input section to input compressed and transformed input codes, a header information rewriting section to rewrite only header information within the codes so as to change a decoded state of the input codes, and an output section to output the codes, including rewritten header information, to a target object such as a display unit and an external equipment.

Abstract: An active matrix type liquid crystal display apparatus includes a display pixel unit including a plurality of pixels arranged in a matrix; a data signal driving circuit for outputting a gray-scale voltage control signal to the pixels and having a pulse width in accordance with gray-scale information of display data, a scan signal driving circuit for outputting at least one of an active voltage and inactive voltage to the pixels, and a gray-scale voltage selecting circuit for outputting a gray-scale voltage to the pixels. The gray-scale voltage in increased and decreased in accordance with time. Each of the pixels includes a liquid crystal cell and a switching element having a drain terminal, a common terminal and a gate terminal.

Abstract: An image processing apparatus for compositing multiple component images into a composite image is proposed. The image processing apparatus includes: a separating unit that separates a codestream corresponding to each one of the component images into a header portion and a data portion; a header processing unit that edits the separated header portion; and a codestream generation unit that generates a codestream corresponding to the composite image by combining the edited headers and the separated data portions. Each component codestream is generated by dividing the corresponding one of the component images into one or more rectangular regions, transforming pixel values of the divided one or more rectangular regions with discrete wavelet transform into transform coefficients, and compressing the transform coefficients.

Abstract: There will be provided an image display, pixel TFTs and driving circuit of which are constituted by channel type TFTs of either n-channel or p-channel, capable of poly-gradation display. In an image display according to the present invention, there is provided switching means selecting means (shift register) for selectively inputting a driving signal inputted into the switch driving line into a plurality of switching means (switch matrix); the pixels (display electrodes), signal lines, switching means, decoding means (decoder) and the switching means selecting means are formed on the same substrate; and the transistors constituting the pixels, the switching means, the decoding means and the switching means selecting means are constituted by only channel type transistors of either n-channel or p-channel. The driving circuit can be integrally formed on the substrate together with the pixel transistors.

Abstract: There are provided a data recording medium, a reading device for reading the data recording medium, a recording device for reading the data recording medium and recording data to other media, and methods thereof able to prevent forgery without comparing visible information and data stored in a built-in electronic circuit chip. The reading device is for reading a data recording medium including a sheet portion visibly printed with an image and a data storage unit recorded with control data.

Abstract: A liquid crystal display device is provided with a pixel area on a substrate having plural gate lines, plural drain lines, plural thin film transistors and plural pixel electrodes corresponding to the plural thin film transistors, and a drive circuit area disposed at a periphery of the substrate and having a drive circuit for driving the plural thin film transistors. The thin film transistor has a polycrystalline silicon semiconductor layer formed on the substrate, a gate electrode formed on the polycrystalline silicon semiconductor layer with a gate insulating film interposed therebetween, an insulating film to cover the polycrystalline silicon semiconductor layer, the gate insulating film and the gate electrode, a drain electrode formed on the insulating film and electrically connected to the polycrystalline silicon semiconductor layer, and a source electrode formed on the insulating film, spaced from the drain electrode and electrically connected to the polycrystalline silicon semiconductor layer.

Abstract: A display device has a driver including a level converter formed of polysilicon MISTFTs. The level converter includes first, second and third N-channel MISTFTs (NMISTFTs) and first, second and third P-channel MISTFTs (PMISTFTs). Gate and first terminals of the first NMISTFT and PMISTFT, and a gate terminal of the third PMISTFT are coupled to an input terminal via a capacitance. Second terminals of the second NMISTFT and PMISTFT, and a gate terminal of third NMISTFT are coupled to the input terminal via a capacitance. A first terminal of the third PMISTFT, and second terminals of the first NMISTFT and PMISTFT are coupled to a high voltage. A second terminal of the third NMISTFT, gate and first terminals of the second NMISTFT and PMISTFT are coupled to a low voltage. A second terminal of the third PMISTFT and a first terminal of the third NMISTFT are connected to an output terminal.

Abstract: A package for mounting a semiconductor device has a surface exposed to an atmosphere. The exposed surface is covered with a covering material such as a paint, a tape or a seal.

Abstract: A liquid crystal display device has on each pixel region at a liquid-crystal side of one of a pair substrates, a thin film transistor driven by scanning signals from a gate signal line, a pixel electrode to which video signals from a drain signal line are supplied through the thin film transistor, and a capacity element formed between the pixel electrode and a holding capacity electrode. The capacity element is formed such that a semiconductor layer forming the same layer as a semiconductor layer of the thin film transistor, a first insulation film forming the same layer as a gate insulation film of the thin film transistor, the holding capacity electrode, a second insulation film and a metal layer are sequentially. The semiconductor layers and the metal layer are connected to each other. The metal layer is formed as a reflector which occupies a portion of the pixel region.

Abstract: A display device includes a latch circuit storing digital data, a converter circuit converting the digital data stored in the latch circuit to an analog signal, a voltage regenerating circuit inputting the analog signal and outputting a video signal, and an image signal line supplied the video signal. The voltage regenerating circuit includes six TFTs wherein the TFTs are connected in a particular manner.

Abstract: A liquid crystal display device is provided with a pixel area on a substrate having plural gate lines, plural drain lines, plural thin film transistors and plural pixel electrodes corresponding to the plural thin film transistors, and a drive circuit area disposed at a periphery of the substrate and having a drive circuit for driving the plural thin film transistors. The thin film transistor has a polycrystalline silicon semiconductor layer formed on the substrate, a gate electrode formed on the polycrystalline silicon semiconductor layer with a gate insulating film interposed therebetween, an insulating film to cover the polycrystalline silicon semiconductor layer, the gate insulating film and the gate electrode, a drain electrode formed on the insulating film and electrically connected to the polycrystalline silicon semiconductor layer, and a source electrode formed on the insulating film, spaced from the drain electrode and electrically connected to the polycrystalline silicon semiconductor layer.

Abstract: The present invention enables a color display of high numerical aperture and multiple gray scales which can realize the multicoloring and area gray scales by simplifying the circuit constitution. A pair of transistors which hold video signals by bridging alternating power supply sources are also used as an output circuit to a pixel electrode and a capacitance is connected to the pixel electrode whereby the data writing state is controlled by making use of charge stored in the capacitance CB.

Abstract: An image display device which can simplify driving thereof includes a plurality of pixels which are arranged in a matrix array, each pixel including a first pixel electrode and a second pixel electrode, and a circuit which applies a first voltage which assumes either a positive polarity or a negative polarity with respect to a center voltage which is substantially fixed irrelevant to gray scale data and changes a magnitude thereof in response to the gray scale data to the first pixel electrode and, at the same time, applies a second voltage which assumes the other polarity with respect to the center voltage and changes a magnitude thereof in response to the gray scale data to the second pixel electrode.

Abstract: The present invention provides a display device including a scanning driving circuit which exhibits the high degree of freedom in designing of waveforms of scanning signals while ensuring the reduction of power consumption. A shift register served for a scanning driving circuit is driven at a voltage lower than a voltage amplitude of scanning signals. Booster circuits are provided corresponding to respective stages of the shift register. To each booster circuit, a common scanning signal which is in common with other booster circuits is inputted as a signal separate from a shift register output. The scanning signal is selected from the common scanning signal during a period in which the scanning signal is selected in response to the shift register output and the selected scanning signal is outputted to respective gate lines.

Abstract: An active matrix type liquid crystal display apparatus includes a display pixel unit including a plurality of pixels arranged in a matrix; a data signal driving circuit for outputting a gray-scale voltage control signal to the pixels and having a pulse width in accordance with gray-scale information of display data, a scan signal driving circuit for outputting at least one of an active voltage and inactive voltage to the pixels, and a gray-scale voltage selecting circuit for outputting a gray-scale voltage to the pixels. The gray-scale voltage in increased and decreased in accordance with time. Each of the pixels includes a liquid crystal cell and a switching element having a drain terminal, a common terminal and a gate terminal.

Abstract: A display device includes a display panel having plural pixels each provided with a thin film transistor and arranged in a matrix configuration in its display area, and a drain driver for supplying video signals to the plural pixels. The drain driver supplies video signals to the plural pixels in a time-division-multiplex fashion based upon the kind of the video signals to be displayed, or based upon the location of plural display blocks forming the display area.

Abstract: An active matrix type liquid crystal display apparatus includes: a plurality of common electrodes and a plurality of gate electrodes, both of which are intersected respectively, and a plurality of drain electrodes in parallel with the common electrodes, formed on one of inner surfaces of two substrates oppositely arranged through a liquid crystal layer; a display pixel unit having a plurality of pixels, each of which includes three-terminal switching element and a liquid crystal cell at each of intersection points of the plurality of common electrodes and the plurality of gate electrodes; and a peripheral circuit for applying a predetermined voltage to each of the common electrodes, the gate electrode and the drain electrode, wherein a first terminal of the switching element is connected to the drain electrode, a second terminal of the switching element is connected to the liquid crystal cell, an opposite side of which is connected to the common electrode, a third terminal of the switching element is connecte

Abstract: The optical system comprises three reflection liquid crystal panels, polarization spliters PBS-R, PBS-G PBS-B which polarize components of an incident light to be reflected by the respective reflection liquid crystal panels, color separation and composition elements. The polarization splitters further separate the polarization converted output light in either an outputting direction or a non-outputting direction corresponding to the polarization, and the color separation and composition elements are arranged as separate elements in terms of optical path and in such a manner that these elements are disposed adjacent to each other in terms of space.

Abstract: A liquid-crystal display apparatus includes first and second substrates sandwiching a liquid-crystal, and having a switching element provided at a cross point of a scan line and a data line on the first substrate, a vertical drive circuit for controlling a voltage of the scan line provided on the first substrate, a horizontal drive circuit for controlling a voltage of said data line provided on the first substrate, and a transparent electrode provided on a surface of the second substrate. The horizontal drive circuit includes a reference-voltage generator, a voltage selector, a controller, and a sample-and-hold arrangement.

Abstract: A liquid crystal display device having a plurality of pixels arranged in a matrix, a plurality of video signal lines for supplying video signal voltages to the plurality of pixels and a drive circuit for selecting a voltage level of a gray scale voltage varying periodically, as one of the video signal voltages corresponding to display data to be supplied to one of the plurality of pixels. The drive circuit has a plurality of series combinations of plural processing circuits, each of the plurality of series combinations of plural processing circuits corresponding to one of the plurality of video signal lines, each of the plural processing circuits includes a switching element which is activated by the display data and a respective one of the plurality of series combinations of the plural processing circuits determines a time to select the voltage level.