Patent application number | Description | Published |
20090295710 | ELECTROPHORETIC DISPLAY DEVICE AND ELECTRONIC APPARATUS - There is provided an electrophoretic display device that is formed by pinching an electrophoretic element containing electrophoretic particles between one pair of substrates. The electrophoretic display device includes a display unit that is formed of a plurality of pixels. One substrate of the one pair of substrates includes a pixel electrode and a pixel switching element that are formed for each of the plurality of pixels, a memory circuit that is electrically connected between the pixel electrode and the pixel switching element and can hold an image signal supplied through the pixel switching element, and an electrostatic protection unit that is electrically connected between the pixel electrode and the memory circuit and is formed of at least one of a capacitor element, a resistor element, and a diode. | 12-03-2009 |
20090303228 | ELECTROPHORETIC DISPLAY DEVICE, ELECTRONIC APPARATUS, AND METHOD OF DRIVING ELECTROPHORETIC DISPLAY DEVICE - An electrophoretic display device includes a first substrate and a second substrate, an electrophoretic element which is placed between the first and second substrates and contains electrophoretic particles, a plurality of first pixel electrodes formed on an electrophoretic element side of the first substrate, second pixel electrodes provided on the electrophoretic element side of the first substrate in an electrically floating state, and a common electrode provided on an electrophoretic display side of the second substrate so as to face the first and second pixel electrodes, in which a region where the second pixel electrodes are placed includes part of a space between the adjacent first pixel electrodes. | 12-10-2009 |
20100001946 | ELECTROPHORETIC DISPLAY DEVICE AND ELECTRONIC APPARATUS - An electrophoretic display device includes a first substrate and a second substrate that face each other, an electrophoretic element disposed between the first substrate and the second substrate, the electrophoretic element including electrophoretic particles, a display unit that has a plurality of pixels including the electrophoretic element, a common electrode that is formed on an electrophoretic element side of the second substrate, and a first control line and a second control line that are formed in either the first substrate or the second substrate. Each of the plurality of pixels includes a pixel switching element, a memory circuit that is connected to the pixel switching element, a switching circuit that is connected to the memory circuit, and a first pixel electrode and a second pixel electrode that are connected to the switching circuit and are disposed to face the common electrode. The switching circuit includes a first switch that controls a conductive state between the first control line and the first pixel electrode in accordance with an output signal of the memory circuit and a second switch that controls a conductive state between the second control line and the second pixel electrode in accordance with the output signal of the memory circuit. | 01-07-2010 |
20100079422 | DRIVING CIRCUIT OF MATRIX DEVICE, MATRIX DEVICE, IMAGE DISPLAY DEVICE, ELECTROPHORETIC DISPLAY DEVICE, AND ELECTRONIC APPARATUS - A driving circuit is provided which is applied to a matrix device having a plurality of functional elements arranged in a matrix, which is connected to the functional elements via data lines, and which has a plurality of blocks. The driving circuit includes a shift register which has a plurality of register sections, each of the register sections being corresponding to one of the plurality of blocks; a data signal line; a first data latch circuit connected to an output terminal of the shift register and the data signal line; and a second data latch circuit connected to the output terminal of the shift register and an output terminal of the first data latch circuit, and connected to the data line directly or via another circuit. The first and second data latch circuits are respectively divided into multistage operation units. Each of the operation units is corresponding to the one data line or the plurality of data lines and is corresponding to one of the plurality of blocks. An output terminal of the shift register belonging to a block B is connected to the operation unit of the first data latch circuit belonging to the block B, the output terminal of the shift register belonging to a block A is connected to the operation unit of the second data latch circuit belonging to the block B, and each of the block A and block B is one of the plurality of blocks. | 04-01-2010 |
20100156829 | METHOD OF DRIVING ELECTROPHORETIC DISPLAY DEVICE, ELECTROPHORETIC DISPLAY DEVICE, AND ELECTRONIC APPARATUS - A method for driving a touch panel-mounted electrophoretic display device includes: connecting a first control line or a second control line and a first electrode of the device with a switching circuit based on output from a memory circuit, and setting the electric potentials of the first and second control lines to first and second potentials, during an inputting period when positional information is input to the touch panel; and inputting an image signal including a touch panel signal for displaying the trajectory of the positional information input to the touch panel to the memory circuit of the selected pixel through the data lines and a pixel switching element by selecting the pixel connected to the corresponding scanning line by simultaneously supplying a scanning signal to the scanning lines while the potential of the second electrode is set to the first electric potential. | 06-24-2010 |
Patent application number | Description | Published |
20080238867 | Electrophoretic display device, method of driving electrophoretic device, and electronic apparatus - An electrophoretic display device includes a pair of substrates, an electrophoretic element that includes electrophoretic particles and that are held between the pair of substrates, and a display portion formed of a plurality of pixels. The display portion includes pixel electrodes, an opposite electrode, a first control line and a second control line. Each of the pixel electrodes is formed in each of the pixels. The opposite electrode is opposed to the plurality of pixel electrodes through the electrophoretic element. The first control line and the second control line are connected to each of the pixels. Each of the pixels includes a pixel switching element, a memory circuit, and a switch circuit. The memory circuit is connected to the pixel switching element. Switching of the switch circuit is performed by an output signal of the memory circuit to switch between a connected state where the pixel electrode is connected to the first control line and a connected state where the pixel electrode is connected to the second control line. | 10-02-2008 |
20090213047 | ELECTROPHORETIC DISPLAY DEVICE AND METHOD OF MANUFACTURING ELECTROPHORETIC DISPLAY DEVICE - An electrophoretic display device includes pixels each including an electrophoretic element that has a pixel electrode, an opposing electrode that faces the pixel electrode, and an electrophoretic layer that is configured by electrophoretic particles disposed between the pixel electrode and the opposing electrode. The pixels are arranged two-dimensionally, and an insulating layer formed of a photosensitive insulating material is disposed in areas between the adjacent pixel electrodes. | 08-27-2009 |
20090218931 | MANUFACTURING METHOD OF ELECTROPHORESIS DISPLAY DEVICE, ELECTROPHORESIS DISPLAY DEVICE, AND ELECTRONIC APPARATUS - A manufacturing method of an electrophoretic display device including a pair of substrates with an electrophoretic element therebetween, the electrophoretic element containing electrophoretic particles therein, and a display portion with a plurality of pixels arranged therein, each pixel including a selection transistor and a latch circuit connected to the selection transistor, the manufacturing method including a semiconductor portion forming process for forming a first semiconductor portion which constitutes the selection transistor and a second semiconductor portion composed of a plurality of transistors which constitutes a feedback inverter of the latch circuit so that the first semiconductor portion and the second semiconductor portion are placed in a straight line form extending in a direction of arrangement of the pixels, and an irradiating process for irradiating the first and second semiconductor portions with pulse-form light along the arrangement of the straight line form. | 09-03-2009 |
Patent application number | Description | Published |
20080224990 | ACTIVE MATRIX CIRCUIT SUBSTRATE AND DISPLAY DEVICE - Provided is an active matrix circuit substrate including: a substrate on which a plurality of pixels are formed in a predetermined region; a plurality of pixel electrodes which are respectively provided in the pixels formed on the substrate and include peripheral pixel electrodes which protrude from the predetermined region to an outer region of the predetermined region; and pixel driving circuits which are provided in the predetermined region of the substrate in correspondence with the pixel electrodes and supply driving signals to the pixel electrodes. | 09-18-2008 |
20080225216 | ACTIVE MATRIX CIRCUIT SUBSTRATE AND DISPLAY DEVICE - An active matrix circuit substrate includes: a substrate having an avoidance portion provided in a predetermined region; a plurality of pixel electrodes provided on the substrate; a driving circuit that is provided on the substrate and drives the a plurality of pixel electrodes; a plurality of wiring lines which are provided on the substrate and include a plurality of power lines electrically connected to the driving circuit and a part of which has a detour portion that makes a detour to avoid the avoidance portion; and a connecting portion which is provided in the periphery of the avoidance portion on the substrate and which is connected to the power lines such that the plurality of power lines are packed. | 09-18-2008 |
20090128585 | ELECTROPHORETIC DISPLAY DEVICE, METHOD FOR DRIVING ELECTROPHORETIC DISPLAY DEVICE, AND ELECTRONIC APPARATUS - An electrophoretic display device including a display section in which an electrophoretic element containing electrophoretic particles is sandwiched between a pair of substrates, and which has pixels is provided. The electrophoretic display device includes pixel electrodes formed on one of the pair of substrates, each of the pixel electrodes being formed for a corresponding pixel, a counter electrode formed on the other of the pair of substrates, the counter electrode being common to the pixels, pixel switching elements, each of which is provided for a corresponding pixel, and memory circuits, each of which is provided for a corresponding pixel and is connected between a corresponding pixel switching element and a corresponding pixel electrode. Each of the memory circuits includes a transfer inverter having an input terminal connected to the pixel switching element and an output terminal connected to the pixel electrode, a feedback inverter having an input terminal connected to the output terminal of the transfer inverter and an output terminal connected to the pixel switching element, and a resistance element connected between the feedback inverter and a low-potential power-supply terminal, a resistance of the resistance element being higher than an on-state resistance of an n-type transistor included in the feedback inverter, and being lower than an off-state resistance of the n-type transistor. | 05-21-2009 |
20090146991 | DRIVING METHOD OF ELECTROPHORESIS DISPLAY DEVICE - A driving method of an electrophoretic display device composed of a pair of substrates with electrophoretic elements, each containing electrophoretic particles, interposed therebetween, first electrodes provided on one substrate of the pair of substrates so as to correspond to pixels, and a second electrode which is provided on the other substrate and is shared by all of the pixels, in which each pixel includes a pixel switching element connected to a scan line and a data line, a memory circuit connected to the pixel switching element, and a switch circuit disposed between the memory circuit and the first electrode, and the switch circuit is connected to a first control line and a second control line, the driving method includes: inputting an image signal to the memory circuit via the pixel switching element; causing the first control line and the second control line to be connected to the first electrode by driving the switch circuit in response to an output from the memory circuit; causing a potential of the second electrode to alternate between a first potential and a second potential in a state in which a potential of the first control line is set to the first potential and a potential of the second control line is set to the second potential; and setting the potential of the first control line to a third potential which is higher than the first potential in an image display step which is performed after the inputting an image signal. | 06-11-2009 |
20090189850 | ELECTROPHORETIC DISPLAY DEVICE - An electrophoretic display device includes a pair of substrates, a pixel, a first electrode being formed on one of the substrates for the pixel, a second electrode being formed on the other of the substrates, and an electrophoretic element which is held between the first electrode and the second electrode. The pixel includes a pixel switching element which is connected to a scan line and a data line, a memory circuit which is connected to the pixel switching element, and a switch circuit which is interposed between the memory circuit and the first electrode. The memory circuit is connected with a first power source line and a second power source line, and the switch circuit is connected with a first control line and a second control line. The first power source line and the second power source line cross each other at a first position of the pixel, and the first control line and the second control line cross each other at a second position of the pixel. | 07-30-2009 |