Abstract: A display device that includes: first and second drive circuits which are provided in each of the plurality of pixels, and connected to a scanning line and a data line of the display panel, to drive the display element; a scan driver which sequentially scans each scanning line of the display panel; a data driver which supplies the data signal to one of the first and second drive circuits via the data line according to the scanning by the scan driver, and writes the data signal in the one of the first and second drive circuits; and a display controller which drives display elements based on data written in the other one of the drive circuits simultaneously with the data write by the data driver, and executes data display on the display panel.

Abstract: An inverter circuit using FETs which do not cause a fluctuation in gate threshold voltage Vth is provided. The inverter circuit has a load transistor and a driving transistor which is serially connected to the load transistor and supplies a load current to the load transistor in accordance with an input signal. The load transistor has at least two FETs which are connected in parallel and have controlled terminals. A driving part alternately turns on the FETs through the controlled terminals.

Abstract: At least two FETs are provided having controlled terminals serially connected to each other between an input terminal and an output terminal. The FET are alternatingly driven to “off” via the controlled terminals when an “off” command is present, and the FETs are simultaneously driven to “on” via the controlled terminals when an “on” command is present.

Abstract: There is provided a display device capable of switching the display mode between liquid crystal display and electroluminescence display using a single display panel. The display device includes a driver that generates an EL pixel data pulse according to the brightness level represented by an input image signal during an EL display mode, while generating a liquid crystal pixel data pulse according to the brightness level during a liquid crystal display mode. Each pixel cell includes a dual display element having liquid crystal and EL display functions, and drive means for applying an EL drive voltage to the dual display element according to the EL pixel data pulse, and applying a liquid crystal drive voltage according to the liquid crystal pixel data pulse.

Abstract: The disclosed is a semiconductor device which comprises a circuit which is formed on a substrate and which includes an insulated gate type semiconductor field-effect transistor element or an TFT element, wherein as compared with the electrostatic capacitance per a unit area of a gate insulating film at a channel part of the transistor element, the electrostatic capacitance per a unit area of a insulating film at the other portion of overlap part between electrodes or wiring lines is small. In the semiconductor device which has an insulated gate type semiconductor field-effect transistor element or a TFT element, a high mutual conductance is obtained and the absolute value of gate threshold voltage is repressed while the adverse influence to the circuit operation by means of the parasitic capacity is repressed.

Abstract: An organic semiconductor device includes at least p-type and n-type channel organic semiconductor elements. Each organic semiconductor element includes a pair of a source electrode and a drain electrode which are facing each other, an organic semiconductor layer deposited between the source electrode and the drain electrode such that a channel can be formed therebetween, and a gate electrode which applies a voltage through a gate insulating layer to the organic semiconductor layer provided between the source electrode and the drain electrode. The source electrode and the drain electrode of the p-type channel organic semiconductor element are made of materials having values of work function higher than those of the source electrode and the drain electrode of the n-type channel organic semiconductor element respectively.

Abstract: There is provided a subpixel that is free from an increase in its overall size and can ensure a large size of its display portion, even when easily producible and inexpensive organic or amorphous Si thin film transistors are used. The subpixel includes one display portion and a plurality of thin film transistors for driving the display portion, wherein the plurality of thin film transistors are arranged such that their channels are in parallel to each another.

Abstract: A display device and a display panel driving method, in which a matrix panel includes pixel portions each have a series circuit of a bistable element and a light emitting element, every time one scan line is specified in order in accordance with an input image signal, a driving line corresponding to at least one pixel portion to be driven to emit light on the one scan line is specified in accordance with the input image signal, a first predetermined voltage lower than a turn-off threshold voltage is applied between the one scan line and the specified driving line, and thereafter a second predetermined voltage higher than a turn-on threshold voltage is applied therebetween.

Abstract: A display apparatus with an active matrix display panel which can suppress gate stress to prevent a degradation of the display quality. Specified at least one pixel section having a light emitting element to driven for light emission in one row is supplied with a data pulse indicative of a first gate voltage of a thin film transistor upon supply of a display scanning pulse. Subsequently, each pixel in the one row is supplied with a reset scanning pulse, and when supplying a reset scanning pulse, the at least one pixel section is supplied with a reset pulse indicative of a second gate voltage of the thin film transistor for making the polarity of agate-to-source voltage or gate-to-drain voltage of the thin film transistor reverse to that during light emission driving.

Abstract: An organic semiconductor device includes at least p-type and n-type channel organic semiconductor elements. Each organic semiconductor element includes a pair of a source electrode and a drain electrode which are facing each other, an organic semiconductor layer deposited between the source electrode and the drain electrode such that a channel can be formed therebetween, and a gate electrode which applies a voltage through a gate insulating layer to the organic semiconductor layer provided between the source electrode and the drain electrode. The source electrode and the drain electrode of the p-type channel organic semiconductor element are made of materials having values of work function higher than those of the source electrode and the drain electrode of the n-type channel organic semiconductor element respectively.

Abstract: A self emission display device for controlling a lit-up/non-lit-up state of a light emitting element by controlling a current flowing therethrough comprises: a plurality of light emitting elements arrayed in a matrix; and a plurality of SCRs for controlling a current flowing through the light emitting elements, corresponding to each of the light emitting elements; wherein each of the light emitting elements is connected to an anode in each of the SCRs.

Abstract: There is provided a circuit element using an organic semiconductor that maintains the characteristics of organic semiconductors in a stable manner for a long period, is highly durable against various kinds of stresses, impacts, etc. from outside and has excellent reliability. The circuit element comprises a circuit portion including an organic semiconductor formed on a substrate and a sealing can that envelopes the circuit portion with a prescribed space.

Abstract: An organic switching memory device includes a plurality of first electrode lines; an organic memory layer formed on the plurality of first electrode lines, the organic memory layer having a voltage-current hysteresis characteristic; a semiconductor diode layer stacked on the organic memory layer; and a plurality of second electrode lines formed on the semiconductor diode layer, the plurality of second electrode lines being disposed in a direction so as to intersect the plurality of first electrode lines.

Abstract: A display device and a display panel driving method, in which a matrix panel includes pixel portions each have a series circuit of a bistable element and a light emitting element, every time one scan line is specified in order in accordance with an input image signal, a driving line corresponding to at least one pixel portion to be driven to emit light on the one scan line is specified in accordance with the input image signal, a first predetermined voltage lower than a turn-off threshold voltage is applied between the one scan line and the specified driving line, and thereafter a second predetermined voltage higher than a turn-on threshold voltage is applied therebetween.

Abstract: An organic switching memory device includes a plurality of first electrode lines; an organic memory layer formed on the plurality of first electrode lines, the organic memory layer having a voltage-current hysteresis characteristic; a semiconductor diode layer stacked on the organic memory layer; and a plurality of second electrode lines formed on the semiconductor diode layer, the plurality of second electrode lines being disposed in a direction so as to intersect the plurality of first electrode lines.

Abstract: An organic semiconductor device includes an organic semiconductor layer deposited between a first electrode and a second electrode which are facing each other. The first and second electrodes are made of materials having different work functions with respect to each other.

Abstract: A display device includes a wiring substrate and a pixel drive circuit board. The wiring substrate has two main surfaces. A plurality of display elements are formed on one main surface of the substrate. The substrate has a plurality of through holes filled with conductors such that the through holes correspond to the display elements, respectively. A plurality of electrical connections are formed on the other main surface of the substrate. Each display element is connected to the corresponding electrical connection via the corresponding through hole. The pixel drive circuit board has one or more drive ICs including a plurality of driver circuits. Each driver circuit has a terminal for connection to the corresponding electrical connection on the main surface of the substrate. This display device is easy to manufacture and has a high yield.

Abstract: A method of driving which makes it possible to drive a matrix type display panel for light emittion with low power consumption. In performing sub-field driving in which each of light-emitting devices serving as pixels in each of sub-fields constituting the display period of one field of a video signal is caused to emit light for a period associated with the sub-field according to pixel data, the number of the sub-fields is changed in accordance with the number of gray scale levels of an image represented by the video signal.

Abstract: A self emission display device for controlling a lit-up/non-lit-up state of a light emitting element by controlling a current flowing therethrough comprises: a plurality of light emitting elements arrayed in a matrix; and a plurality of SCRs for controlling a current flowing through the light emitting elements, corresponding to each of the light emitting elements; wherein each of the light emitting elements is connected to an anode in each of the SCRs.

Abstract: A magnetoresistive effect element 5 is physically configured such that the element width is at least three times as large as the element height. A plurality of domain control layers 11 to 13 are located between the magnetoresistive effect element 5 and a plurality of detecting electrodes 8 to 10 in a state that the domain control layers 11 to 13 are closely formed on the magnetoresistive effect element 5. Each of the domain control layers 11 to 13 applies a unidirectional magnetic field to a region of the magnetoresistive effect element 5 vertically disposed in a guard band of the magnetic recording medium 4, the guard band having no information recorded therein. The unidirectional magnetic field is directed in an orientation of an initial magnetization in a single magnetoresistive effect element, the orientation of which depends on a direction of on an easy axis of the magnetoresistive effect element 5.