Abstract: An electro-optical device copes with a decreased size of a pixel pitch by using a comparatively simple configuration in which a driving circuit system is formed on one substrate. In a scanning-line driving circuit, each transfer signal of a shift register is branched off into three signal components, and an enable circuit is provided for each signal component. During a pulse cycle of the transfer signal, one transfer signal is divided into three components while being sequentially shifted in the time domain in accordance with enable signals whose phases are sequentially shifted from each other, and the divided components are output as scanning signals. The same applies to a data-line driving circuit.

Abstract: An electro-optical device includes: a counter substrate; an element substrate comprising a protruding region protruding from one side of the counter substrate and being bonded to the counter substrate; a plurality of pixel units that are arranged in a pixel region on the element substrate; a plurality of external circuit connecting terminals which are arranged in the protruding region on the element substrate and to which various signals including image signals and control signals for allowing the plurality of pixel units to display an image are supplied; and a plurality of test terminals that are provided at both ends of an array of the plurality of external circuit connecting terminals in the protruding region and are supplied with test signals, wherein a distance between adjacent test terminals is longer than a distance between adjacent external circuit connecting terminals.

Abstract: A plurality of pixel electrodes, TFTs to control the switching of the pixel electrodes, scan lines to supply scan lines to the gates of the TFTs, and data lines to supply image signals to the pixel electrodes via the TFTs when the TFTs are put into an ON state are provided on a substrate. A scan-signal supply circuit to line-sequentially supply the scan signals is further provided. The scan-signal supply circuit holds the scan signals to an intermediate potential for a predetermined period in the middle of changing the potential of the scan signals between a high potential that puts the TFTs into the ON state and a low potential that puts the TFTs into the OFF state.

Abstract: A drive circuit for driving an electro-optical device that includes a plurality of data lines and a plurality of scanning lines extending to intersect each other and a plurality of pixel portions which are connected to the data lines and the scanning lines and which constitute a display surface. The drive circuit includes a scanning-line driving unit that supplies pulse signals to the plurality of scanning lines and sequentially performs a horizontal scanning operation to the pixel portions and a data-line driving unit that supplies image signals to the plurality of data lines.

Abstract: An electrooptic device of the invention is constructed that an electrooptic substance is sandwiched between first and second substrates. The first substrate is overlaid with first displaying electrodes, switching elements which are disposed corresponding to the electrodes, data lines which are electrically connected with the switching elements, and a sampling circuit which includes first conductivity type transistors for sampling and which samples image signals and feeds them to the data lines, the image signals involving polarity inversion with respect to the center voltages of the amplitudes of these image signals. The electrooptic device further includes a gate voltage varying unit which changes the gate voltages of the first conductivity type transistors in response to the polarity inversion of the image signals.

Abstract: An electro-optical device includes a plurality of pixels, a sampling circuit, electrostatic protection circuits, constant potential lines, and image signal lines. The electrostatic protection circuits switching elements having first terminals and second terminals. The first terminals are electrically connected to the second terminals when an over voltage is applied to the first terminals. The constant potential lines are connected to the second terminals of the switching elements via contact holes of the first insulating layer. The image signal lines transmit image signals supplied to input terminals to the sampling circuit. The image signal lines include first wiring line portions connected to the first terminals of the switching elements via the contact holes of the first insulating layer, and a second wiring line portion connected to the first wiring line portion via contact holes of the second insulating layer.

Abstract: Aspects of the invention can provide an electro-optical device that can include a plurality of pixels disposed at the intersections of a plurality of scanning lines and a plurality of data lines which are divided into blocks of N data lines (N being a natural number greater than 2), the pixels respectively having gray-scale levels corresponding to voltages applied to the data lines when the scanning lines are selected, a scanning line driving circuit can select the scanning lines in selection periods separated by a time gap, a precharge voltage generation circuit that can generate a plurality of precharge voltages to precharge the plurality of data lines, the precharge voltage generation circuit generating the precharge voltages so that a precharge voltage corresponding to one of N data lines belonging to each block is different from precharge voltages corresponding to the other data lines in each block, N image signal lines that respectively correspond to the data lines in each the block, the image signal li

Abstract: An electro-optical device includes a plurality of pixels that are arranged above a surface of a substrate, corresponding to intersections of a plurality of scanning lines and a plurality of data lines, a sampling circuit that samples image signals and supplies the sampled image signals from the data lines to the pixels when the scanning lines are selected; electrostatic protection circuits that include switching elements having first terminals and second terminals, the first terminals is electrically connected to the second terminals when an overvoltage is applied to the first terminals; static potential wiring lines that are formed on a surface of a first insulating layer covering the switching elements and are connected to the second terminals of the switching elements via contact holes of the first insulating layer, substantially constant potentials being applied to the static potential wiring lines; and image signal lines that transmit the image signals supplied to input terminals to the sampling circuit.

Abstract: According to exemplary embodiments, three data lines are selected in a horizontal scanning period during which a scanning line is selected. Image signals according to the gradation of pixels corresponding to the intersections of the selected scanning line and the selected data lines are sampled for the selected data lines. While the three data lines are selected, the subsequent three data lines are also selected. Then, image signals according to the gradation of pixels corresponding to the intersections of the selected scanning line and the subsequent three data lines are sampled for the subsequent three data lines. The pixels corresponding to the three data lines selected at the beginning of the horizontal scanning period are included in a non-display area so that they do not contribute to display.

Abstract: Exemplary embodiments of the present invention provide an electro-optical device having a sampling circuit including a plurality of thin-film transistors corresponding to respective data lines, the thin-film transistors each including i) a drain connected to a drain line extending from the data line, ii) a source connected to a source line extending from an image-signal line in the extending direction of the data line, and iii) a gate interposed between the drain line and the source line; a data-line driving circuit supplying sampling-circuit driving signals to the gate; and an electromagnetic shield disposed in a space between two adjacent thin-film transistors. This reduces the occurrence of image problems due to parasitic capacitance between the thin-film transistors in the sampling circuit.

Abstract: A driving circuit of an electro-optical panel includes a shift register circuit to sequentially output transmission signals, a sampling circuit to sample an image signal by using a sequentially-output n-th (n is a natural number greater than or equal to 2) transmission signal as a sampling-circuit driving signal and writing the sampled image signal to data lines, and a precharge circuit to write a precharge signal of a predetermined potential to the data lines prior to supplying the image signal to the data lines by using a sequentially-output (n−1)-th transmission signal as a precharge-circuit driving signal, all of which are formed on a substrate.

Abstract: An electro-optical panel driving circuit is provided on a substrate and includes a shift register circuit that sequentially outputs transfer signals, a buffer circuit that buffers the sequentially output transfer signals, a sampling circuit that samples image signals using the buffered transfer signals as sampling pulses and that supplies the sampled image signals to data lines, and a dummy circuit that simulates at least part of the buffer circuit and the sampling circuit. Delay signals indicating the amount of delay of the sampling pulses and generated by the dummy circuit are fed back to the shift register circuit so that the amount of delay is reduced. The buffer circuit, the sampling circuit, and the dummy circuit are provided on the substrate.

Abstract: A driver for driving a liquid crystal panel that includes a pair of substrates, a liquid crystal sandwiched between the substrates, a plurality of signal lines (31) which are arranged in a first given direction on a substrate and to which an image signal is supplied, a plurality of scanning lines (32) which are arranged in a second direction and to which a scan signal is supplied sequentially, and a plurality of pixels arranged in the form of a matrix on the surface of a substrate opposed to the liquid crystal, and driven with the image signal and scan signal supplied over the plurality of signal lines and plurality of scanning lines comprises: an image signal supply unit (101 to 104) including a first-direction shift register that has a plurality of stages (1a) and supplying the image signal sequentially to the plurality of signal lines in a first direction according to a transfer signal sequentially generated by the first-direction shift register, and a scan signal supply unit including a second-direction s

Abstract: The invention provides an electro-optical device includes a first substrate and a second substrate sandwiching an electro-optical substance. The substrates are provided with a sealing material disposed between the substrates, for bonding the substrates to each other at a sealing region disposed along the peripheries of the substrates. The first substrate is provided thereon with pixel electrodes, wires extending from the inside of an image display region to the outside of the sealing region, and a vertically conducting pad disposed in the sealing region. The second substrate is provided thereon with an opposing electrode opposing the pixel electrodes and having a vertical conductor section opposing the vertically conducting pad. The sealing material includes an electrically conductive material at least in a portion of the sealing material disposed between the vertically conducting pad and the vertical conductor section, whereby the sealing material functions as a vertical conductor.

Abstract: An electro-optical device copes with a decreased size of a pixel pitch by using a comparatively simple configuration in which a driving circuit system is formed on one substrate. In a scanning-line driving circuit, each transfer signal of a shift register is branched off into three signal components, and an enable circuit is provided for each signal component. During a pulse cycle of the transfer signal, one transfer signal is divided into three components while being sequentially shifted in the time domain in accordance with enable signals whose phases are sequentially shifted from each other, and the divided components are output as scanning signals. The same applies to a data-line driving circuit.

Abstract: A plurality of pixel electrodes, TFTs to control the switching of the pixel electrodes, scan lines to supply scan lines to the gates of the TFTs, and data lines to supply image signals to the pixel electrodes via the TFTs when the TFTs are put into an ON state are provided on a substrate. A scan-signal supply circuit to line-sequentially supply the scan signals is further provided. The scan-signal supply circuit holds the scan signals to an intermediate potential for a predetermined period in the middle of changing the potential of the scan signals between a high potential that puts the TFTs into the ON state and a low potential that puts the TFTs into the OFF state.

Abstract: An electro-optical device copes with a decreased size of a pixel pitch by using a comparatively simple configuration in which a driving circuit system is formed on one substrate. In a scanning-line driving circuit, each transfer signal of a shift register is branched off into three signal components, and an enable circuit is provided for each signal component. During a pulse cycle of the transfer signal, one transfer signal is divided into three components while being sequentially shifted in the time domain in accordance with enable signals whose phases are sequentially shifted from each other, and the divided components are output as scanning signals. The same applies to a data-line driving circuit.

Abstract: A driving circuit for driving an electrooptical device is provided and may include a shift register circuit including a plurality of stages of unit circuits connected in a cascaded fashion for shifting a transfer start pulse from one stage to another in response to clock signals with a large logic swing, and level shifters each coupled with one or more stages of unit circuits of the shift register circuit. The level shifters serve to convert a clock signal and an inverted clock signal with a small logic swing to clock signals with the large logic swing and supply the resultant clock signals to the corresponding one or more stages of unit circuits, thereby allowing a reduction in power consumption due to the capacitance associated with lines used to supply signals with the large logic swing.

Abstract: An electrooptic device of the invention is constructed that an electrooptic substance is sandwiched between first and second substrates. The first substrate is overlaid with first displaying electrodes, switching elements which are disposed corresponding to the electrodes, data lines which are electrically connected with the switching elements, and a sampling circuit which includes first conductivity type transistors for sampling and which samples image signals and feeds them to the data lines, the image signals involving polarity inversion with respect to the center voltages of the amplitudes of these image signals. The electrooptic device further includes a gate voltage varying unit which changes the gate voltages of the first conductivity type transistors in response to the polarity inversion of the image signals.

Abstract: To improve the efficiency of assembling multiple on-off valves into a manifold body and reduce resistance to rotation of a shaft after assembly, frame members (3) are fitted in downstream end portions of individual intake passage sections (12) of a manifold body (2), on-off valves (4) are placed inside the individual frame members (3) and a shaft (5) is passed through the on-off valves (4) in such a way that the frame members (3) constitute parts of inside walls of intake passages where the on-off valves (4) are located, the frame members (3) rotatably supporting the on-off valves (4) and the shaft (5). A cutout (23) is formed in a surrounding wall of each frame member (3), thereby making each frame member (3) expandable and compressible by elastic deformation.