Patent application number | Description | Published |
20080204435 | DISPLAY DEVICE, DRIVING METHOD OF DISPLAY DEVICE, AND ELECTRONIC APPARATUS - A display device includes a pixel electrode and a counter electrode facing each other, a plurality of charged particles disposed between the pixel electrode and the counter electrode, an organic transistor electrically connected to the pixel electrode, a data line electrically connected to the pixel electrode via the organic transistor, a data line driving circuit supplying an image signal to the data line, and a counter electrode driving circuit supplying a counter electrode driving signal containing a pulse signal having the same polarity as the image signal to the counter electrode. | 08-28-2008 |
20080239460 | METHOD OF DRIVING ORGANIC TRANSISTOR AND ELECTROPHORETIC DISPLAY DEVICE - Provided is a method of driving an organic transistor formed on a substrate, wherein the substrate is sealed by a sealing material, and a bias voltage for compensating for threshold voltage of the organic transistor is supplied to the organic transistor at least at the time of an operation of the organic transistor. | 10-02-2008 |
20080266514 | ACTIVE-MATRIX SUBSTRATE AND METHOD FOR PRODUCING THE SAME, ELECTROOPTICAL DEVICE AND METHOD FOR PRODUCING THE SAME, AND ELECTRONIC APPARATUS - A method for producing an active-matrix substrate including a board, pixels, thin-film transistors that switch the pixels, and source lines and gate lines electrically connected to the thin-film transistors includes forming a conduction portion that provides electrical connection between the source lines and the gate lines using an organic conductive material at the same time as forming either the source lines or the gate lines; and breaking the electrical connection provided by the conduction portion. | 10-30-2008 |
20090096722 | ELECTROPHORETIC DISPLAY DEVICE, ELECTRONIC APPARATUS, AND METHOD OF DRIVING ELECTROPHORETIC DISPLAY DEVICE - An electrophoretic display device includes a common electrode and a plurality of pixel electrodes, and a disperse system containing electrophoretic particles, that is held between the common electrode and the plurality of pixel electrodes,. The electrophoretic display device includes a switching transistor and a control portion. The switching transistor supplies a corresponding one of the pixel electrodes with a low electric potential signal or a high electric potential signal supplied from a signal line. The control portion controls electric potential signals supplied to the pixel electrode and the common electrode to cause the electrophoretic particles to move. The switching transistor enters an on state when a gate electrode of the switching transistor is supplied with a first electric potential, and enters an off state when the gate electrode is supplied with a second electric potential. The control portion is provided with a first period during which control for causing the electrophoretic particles to move is performed and a second period during which, after the first period, the switching transistor is made to enter an off state. During the second period, when the first electric potential is smaller than the second electric potential, the control portion supplies a low electric potential signal from the signal line to the switching transistor and supplies a low electric potential signal to the common electrode, and when the first electric potential is larger than the second electric potential, the control portion supplies a high electric potential signal from the signal line to the switching transistor and supplies a high electric potential signal to the common electrode. | 04-16-2009 |
20090096773 | ELECTROPHORETIC DISPLAY DEVICE, ELECTRONIC APPARATUS, AND METHOD OF DRIVING ELECTROPHORETIC DISPLAY DEVICE - An electrophoretic display device includes a common electrode and a plurality of pixel electrodes, a disperse system containing electrophoretic particles, the disperse system being held between the common electrode and the plurality of pixel electrodes. The electrophoretic display device includes a switching transistor and a control portion. the switching transistor supplies a corresponding one of the pixel electrodes with a low electric potential signal or a high electric potential signal supplied from a signal line. The control portion controls an electric potential applied between each of the pixel electrodes and the common electrode to cause the electrophoretic particles to move. The control portion provides, in a period during which control for causing the electrophoretic particles to move is performed, a first period during which the switching transistor is held in an on state and a second period during which the switching transistor is held in an off state. The first period continues until charging of the pixel electrode is complete. The second period continues from an end of the first period until movement of the electrophoretic particles is complete. | 04-16-2009 |
20090184897 | ELECTROPHORETIC DISPLAY PANEL DRIVING METHOD AND ELECTROPHORETIC DISPLAY PANEL - An electrophoretic display panel includes an element substrate, a counter substrate, and an electrophoretic display layer interposed between the element substrate and the counter substrate. The element substrate includes a first data line set including plural data lines, second data line sets each including plural data lines branched from each of the plural data lines of the first data line set, plural scanning lines, and plural pixel electrodes. The plural pixel electrodes are disposed at locations where the plural data lines of the second data line sets intersect with the plural scanning lines. The counter substrate includes plural common electrodes, and one or more common electrodes is disposed opposite the plural pixel electrodes corresponding to one of the second data line sets. | 07-23-2009 |
20100127966 | METHOD FOR OPERATING ELECTROPHORETIC DISPLAY APPARATUS, ELECTROPHORETIC DISPLAY APPARATUS, AND ELECTRONIC SYSTEM - A method for operating an electrophoretic display apparatus including a first substrate; a second substrate; an electrophoretic device being held between the first substrate and the second substrate and containing electrophoretic particles; a first electrode formed on a surface of the first substrate, the surface facing the electrophoretic device; and a second electrode formed on a surface of the second substrate, the surface facing the electrophoretic device is provided. The method includes image displaying in which a voltage is applied to the electrophoretic device. The image displaying includes device driving in which the electrophoretic device is driven by inputting a first potential into the first electrode and inputting a second potential into the second electrode, and accumulated-charge removing in which a potential of the first electrode is changed, from the first potential to the second potential, stepwise or uniformly at a potential change velocity lower than a potential change velocity upon starting of the device driving. | 05-27-2010 |
20110012889 | ELECTRO-OPTICAL APPARATUS, ELECTRONIC APPLIANCE, AND METHOD OF DRIVING ELECTRO-OPTICAL APPARATUS - An apparatus includes: a first pixel having a first transistor, a first pixel electrode and a first common electrode; a second pixel having a second transistor, a second pixel electrode and a second common electrode; first and second scanning lines connected to the first and second transistors, respectively; a first data line connected to the first and second transistors; common electrode wiring connected to the first and second common electrodes; and a driving circuit. The first transistor's on/off state is selected according to a voltage between the first scanning line and the first data line. The second transistor's on/off state is selected according to a voltage between the second scanning line and the first data line. The driving circuit selects the first transistor's on/off state, then selects the second transistor's on/off state, and then simultaneously changes the first and second pixels' display states. | 01-20-2011 |