Abstract: An image forming apparatus includes a first and a second image forming sections, a paper feeding section, and a paper output section. The image forming sections form an image on paper independently. The apparatus is laterally dividable into a first and a second portions where the first and second image forming sections are respectively positioned. The feeding section is arranged below the first image forming section in the first portion. The output section is arranged above the second image forming section in the second portion. The apparatus has two simple transport paths that run vertically through the image forming sections, respectively, without intersecting each other and detouring around the second or first image forming section.

Abstract: Disclosed is a display apparatus which can improve the characteristics of TFTs used to select and drive self-emissive elements such as OLEDs. The display apparatus has row electrodes, column electrodes, and a driving unit. The self-emissive elements are formed in regions corresponding to intersections of the row electrodes with the column electrodes. Element driving circuits are formed for driving the self-emissive elements. Each of the element driving circuits includes a selection transistor, a capacitor, and a driving transistor. The driving unit applies a reverse bias to a control terminal of the driving transistor in a non-emission period in which the self-emissive element is not supplied with a driving current.

Abstract: An image on a fed document is read, and recording paper on which an output image is formed based on the read image is discharged onto a first tray. When overlapped feeding is detected at the time of feeding a document, page numbers of the overlapped documents are recorded, and an image on a document fed after the overlapped documents is read, an output image is formed on recording paper based on the read image, and the recording paper is discharged onto a second tray to notify the occurrence of overlapped feeding. When the documents are set again by the user and fed, an image on a document of a page number matching a recorded page number is read, an output image is formed on recording paper based on the read image, and the recording paper is discharged onto the first tray.

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 image forming apparatus includes a first and a second image forming sections, a paper feeding section, and a paper output section. The image forming sections form an image on paper independently. The apparatus is laterally dividable into a first and a second portions where the first and second image forming sections are respectively positioned. The feeding section is arranged below the first image forming section in the first portion. The output section is arranged above the second image forming section in the second portion. The apparatus has two simple transport paths that run vertically through the image forming sections, respectively, without intersecting each other and detouring around the second or first image forming section.

Abstract: A display panel driving device and driving method for providing high quality images without irregular luminance even after long-time use. The value of the light-emission drive current flowing when causing each light-emission elements bearing each pixel to independently emit light in succession is measured, then the luminance is corrected for each input pixel data based on the above light-emission drive current values, associated with the pixels corresponding to the input pixel data. According to another aspect, the voltage value of the drive voltage is adjusted in such a manner that one value among each measured light-emission drive current value becomes equal to a predetermined reference current value. According to a further aspect, the current value is measured while an off-set current component corresponding to a leak current of the display panel is added to the current outputted from the drive voltage generator circuit and the resultant current is supplied to each of the pixel portions.

Abstract: A drive unit which can prevent the decrease of the luminance of a self-luminous device due to degradation or a change is electric characteristic thereof. The drive unit has a semiconductor device having an electric characteristic almost the same as the that of the self-luminous device, and drives the semiconductor device in accordance with the frequency of light emission of the self-luminous device. The device generates a characteristic change detection signal indicating the degree of a change in an electric characteristic of the semiconductor device, and supplies the self-luminous device with a drive signal having a current level or a voltage level based on the characteristic change detection signal.

Abstract: An image on a fed document is read, and recording paper on which an output image is formed based on the read image is discharged onto a first tray. When overlapped feeding is detected at the time of feeding a document, page numbers of the overlapped documents are recorded, and an image on a document fed after the overlapped documents is read, an output image is formed on recording paper based on the read image, and the recording paper is discharged onto a second tray to notify the occurrence of overlapped feeding. When the documents are set again by the user and fed, an image on a document of a page number matching a recorded page number is read, an output image is formed on recording paper based on the read image, and the recording paper is discharged onto the first tray.

Abstract: A method for producing a fixed display panel using a matrix display panel. In the method, the holding state of memory elements of a plurality of pixels of the matrix display panel is changed to one of two values, in accordance with the predetermined fixed pattern, m driving lines are jointly connected as a first electrode and n scanning lines are jointly connected as a second electrode.

Abstract: A touch panel integrated type display apparatus has a display portion on one surface and a touch panel on the other surface. An input screen for operating the touch panel is displayed on a display plane of the display portion, and an operating position of the touch panel recognizable on the display plane referring to the input screen.

Abstract: Disclosed is a display apparatus which can improve the characteristics of TFTs used to select and drive self-emissive elements such as OLEDs. The display apparatus has row electrodes, column electrodes, and a driving unit. The self-emissive elements are formed in regions corresponding to intersections of the row electrodes with the column electrodes. Element driving circuits are formed for driving the self-emissive elements. Each of the element driving circuits includes a selection transistor, a capacitor, and a driving transistor. The driving unit applies a reverse bias to a control terminal of the driving transistor in a non-emission period in which the self-emissive element is not supplied with a driving current.

Abstract: A display apparatus is capable of displaying an image at a proper luminance based on an input video signal without being influenced by temperature changes or time-dependent changes. The display apparatus is provided with a monitoring circuit constituted by a monitoring luminescent device, a reference current source of a reference drive current for causing the monitoring luminescent device to emit light at a luminance of K %, a transistor for supplying the reference drive current to the monitoring luminescent device, and a switch for connecting an output end of the reference drive current and a control end of the transistor. An input video signal is corrected to have a level according to the voltage value on the control end of the transistor driving the monitoring luminescent device when the luminance indicated by the video signal is K % of a maximum luminance level.

Abstract: An image display apparatus is disclosed. The image display apparatus comprises a display panel in which are arranged a plurality of display cells each having an emission element; a driving unit which generates a data signal based on a grayscale value of an image signal and applies the data signal to the display cell to cause the emission element to emit light; a driving time measurement unit which measures a cumulative driving time of the emission element; a table memory which stores a compensation coefficient for compensation for aging of the emission element with respect to the cumulative driving time; and an adjustment circuit which uses the compensation coefficient to adjust the grayscale value of the image signal, for each of the display cells.

Abstract: An active matrix organic electroluminescence unit which is easy to manufacture. The organic electroluminescence unit comprises an organic material layer formed on a surface of the electrode panel, a dielectric layer formed near the organic material layer on the surface of the electrode panel, a metal electrode formed continuous to the surfaces of the organic material layer and the dielectric layer, and having a portion corresponding to the organic material layer functioning as a control electrode, and an organic electroluminescence element formed on the organic material layer.

Abstract: Improvement for extending the service life of a self-emitting panel and for reducing the power consumption thereof. The self-emitting panel is driven based on intensity-reduced data. The intensity-reduced data is obtained by applying intensity reduction processing on each frame of the image frame data to be displayed.

Abstract: A light emitting element capable of suppressing the deterioration of an organic thin film layer as light emitting layers is provided. The light emitting element comprises a light emitting body emitting light by impressing voltage and a rectifier connected in series with the light emitting body, the light emitting body contains the NPB thin film layer, and the rectifier has the NPB thin film layer.

Abstract: A method for producing a fixed display panel using a matrix display panel. In the method, the holding state of memory elements of a plurality of pixels of the matrix display panel is changed to one of two values, in accordance with the predetermined fixed pattern, m driving lines are jointly connected as a first electrode and n scanning lines are jointly connected as a second electrode.

Abstract: A display apparatus and a driving circuit of a display panel, in which even when an anode line driving circuit is made of a plurality of IC chips, light emission luminance values on the display panel can be uniformed. The display apparatus is made of a plurality of driving circuits having a plurality of light-emission drive current sources each for generating a light-emission drive current to allow a light emitting element of the display panel to emit the light and supplying the light-emission drive current to first electrode lines of the display panel. At least one of the driving circuits is provided with a drive current control circuit for adjusting a current amount of the light-emission drive current to be generated by the driving circuit on the basis of the light-emission drive current generated from the other driving circuit.

Abstract: The present invention relates to an organic EL light emitting element that can suppress deterioration of a light emitting layer and can provide a high light-emission intensity. This organic EL light emitting element includes a light emitting part and a rectifier part connected in series to the light emitting part. Both of the light emitting and rectifier parts include organic thin layers. The electrostatic capacity of the rectifier part is smaller than that of the light emitting part.