Patent application number | Description | Published |
20100035661 | PHOTOELECTRIC CONVERSION DEVICE AND ELECTRONIC DEVICE HAVING THE SAME - To output a digital signal corresponding to illuminance without being adversely affected by circuit delay. A photoelectric conversion device includes a photoelectric conversion element; a ramp-wave output circuit; a first comparator for comparing the ramp-wave signal and a first potential; a second comparator for comparing the ramp-wave signal and a second potential; a flip-flop circuit for generating a clock signal whose frequency is changed in accordance with the amount of photocurrent; a circuit for calculating a negative OR of the output signal of the first comparator and the output signal of the second comparator; a counter circuit for counting the pulse number of the clock signal; and a pulse output circuit for generating a period during which the pulse number is counted in the counter circuit. The pulse output circuit includes a switch for stopping the generation of the period during which the pulse number is counted. | 02-11-2010 |
20110084960 | SHIFT REGISTER AND DISPLAY DEVICE - The shift register includes first to fourth flip-flops. A first clock signal which is in a first voltage state in a first period and in a second voltage state in second to fourth periods is input to the first flip-flop. A second clock signal which is in the first voltage state in the second period and in the second voltage state in the third period and the fourth period is input to the second flip-flop. A third clock signal which is in the second voltage state in the first, second, and fourth periods and in the first voltage state in the third period is input to the third flip-flop. A fourth clock signal which is in the second voltage state in the first and second periods and in the first voltage state in the fourth period is input to the fourth flip-flop. | 04-14-2011 |
20110216876 | PULSE SIGNAL OUTPUT CIRCUIT AND SHIFT REGISTER - An object is to provide a pulse signal output circuit capable of operating stably and a shift register including the pulse signal output circuit. A pulse signal output circuit according to one embodiment of the disclosed invention includes first to tenth transistors. The ratio W/L of the channel width W to the channel length L of the first transistor and W/L of the third transistor are each larger than W/L of the sixth transistor. W/L of the fifth transistor is larger than W/L of the sixth transistor. W/L of the fifth transistor is equal to W/L of the seventh transistor. W/L of the third transistor is larger than W/L of the fourth transistor. With such a structure, a pulse signal output circuit capable of operating stably and a shift register including the pulse signal output circuit can be provided. | 09-08-2011 |
20110285675 | PULSE OUTPUT CIRCUIT, SHIFT REGISTER, AND DISPLAY DEVICE - In a pulse output circuit in a shift register, a power source line which is connected to a transistor in an output portion connected to a pulse output circuit at the next stage is set to a low-potential drive voltage, and a power source line which is connected to a transistor in an output portion connected to a scan signal line is set to a variable potential drive voltage. The variable potential drive voltage is the low-potential drive voltage in a normal mode, and can be either a high-potential drive voltage or the low-potential drive voltage in a bath mode. In the batch mode, display scan signals can be output to a plurality of scan signal lines at the same timing in a batch. | 11-24-2011 |
20130250529 | PULSE SIGNAL OUTPUT CIRCUIT AND SHIFT REGISTER - An object is to provide a pulse signal output circuit capable of operating stably and a shift register including the pulse signal output circuit. A pulse signal output circuit according to one embodiment of the disclosed invention includes first to tenth transistors. The ratio W/L of the channel width W to the channel length L of the first transistor and W/L of the third transistor are each larger than W/L of the sixth transistor. W/L of the fifth transistor is larger than W/L of the sixth transistor. W/L of the fifth transistor is equal to W/L of the seventh transistor. W/L of the third transistor is larger than W/L of the fourth transistor. With such a structure, a pulse signal output circuit capable of operating stably and a shift register including the pulse signal output circuit can be provided. | 09-26-2013 |
20140301045 | PULSE SIGNAL OUTPUT CIRCUIT AND SHIFT REGISTER - An object is to provide a pulse signal output circuit capable of operating stably and a shift register including the pulse signal output circuit. A pulse signal output circuit according to one embodiment of the disclosed invention includes first to tenth transistors. The ratio W/L of the channel width W to the channel length L of the first transistor and W/L of the third transistor are each larger than W/L of the sixth transistor. W/L of the fifth transistor is larger than W/L of the sixth transistor. W/L of the fifth transistor is equal to W/L of the seventh transistor. W/L of the third transistor is larger than W/L of the fourth transistor. With such a structure, a pulse signal output circuit capable of operating stably and a shift register including the pulse signal output circuit can be provided. | 10-09-2014 |
20150364211 | PULSE OUTPUT CIRCUIT, SHIFT REGISTER, AND DISPLAY DEVICE - In a pulse output circuit in a shift register, a power source line which is connected to a transistor in an output portion connected to a pulse output circuit at the next stage is set to a low-potential drive voltage, and a power source line which is connected to a transistor in an output portion connected to a scan signal line is set to a variable potential drive voltage. The variable potential drive voltage is the low-potential drive voltage in a normal mode, and can be either a high-potential drive voltage or the low-potential drive voltage in a batch mode. In the batch mode, display scan signals can be output to a plurality of scan signal lines at the same timing in a batch. | 12-17-2015 |
20160042807 | SHIFT REGISTER AND DISPLAY DEVICE - The shift register includes first to fourth flip-flops. A first clock signal which is in a first voltage state in a first period and in a second voltage state in second to fourth periods is input to the first flip-flop. A second clock signal which is in the first voltage state in the second period and in the second voltage state in the third period and the fourth period is input to the second flip-flop. A third clock signal which is in the second voltage state in the first, second, and fourth periods and in the first voltage state in the third period is input to the third flip-flop. A fourth clock signal which is in the second voltage state in the first and second periods and in the first voltage state in the fourth period is input to the fourth flip-flop. | 02-11-2016 |
Patent application number | Description | Published |
20090289174 | PHOTOELECTRIC CONVERSION DEVICE, DRIVING METHOD THEREOF, AND ELECTRONIC DEVICE PROVIDED WITH THE SAME - Objects are to accumulate electric charge in a capacitor so that light intensity can be detected even when the amount of incident light is small, and to operate a photoelectric conversion device without increasing the number of elements such as a constant current source or a switch. The photoelectric conversion device includes a photoelectric conversion circuit, a capacitor, and a comparator for comparing a potential of one electrode of the capacitor with a second potential. The photoelectric conversion circuit includes a photoelectric conversion element and an amplifier circuit for amplifying an output current from the photoelectric conversion element In the capacitor, a first potential is supplied through a first switch, and charging or discharging is performed through a second switch in accordance with the current amplified by the amplifier circuit. | 11-26-2009 |
20090324244 | PHOTOMETRIC DEVICE - A photometric device with a wide dynamic range. The photometric device includes a constant current generation circuit, a fixed clock signal generation circuit which generates a fixed clock signal having a fixed frequency, a photoelectric conversion element, a variable clock signal generation circuit and a digital signal generation circuit. The fixed clock signal generation circuit generates a fixed clock signal that oscillates at a fixed frequency, from constant current The variable clock signal generation circuit generates a variable clock signal that oscillates at a frequency proportional to the amount of photocurrent, from photocurrent generated in the photoelectric conversion element. The digital signal generation circuit sets a measurement period using the fixed clock signal, counts the number of pulses of the variable clock signal that oscillates for the measurement period, and outputs a digital signal including the count value as data. | 12-31-2009 |
20100327739 | LIGHT EMITTING DEVICE - It is an object of the present invention to prevent an insulating film from peeling in a section where the insulating film is adjacent to a sealing region. Over a first substrate | 12-30-2010 |
20110122121 | SEMICONDUCTOR DEVICE - The present invention provides a semiconductor device in which a power line is not affected by noise due to a voltage drop caused by instantaneous high-current consumption in the buffer portion and that has no possibility that a logic portion malfunctions. In a case where the same potential is supplied to a logic portion and a buffer portion, by a method in which separate FPC terminals are used for the logic portion and the buffer portion, or by a method in which the FPC terminal is shared but a power line is branched for the logic portion and the buffer portion at a point close to the FPC terminal, a problem that the logic portion is affected by noise generated by a voltage drop of the power line due to instantaneous high-current consumption in the buffer portion can be prevented. | 05-26-2011 |
20130001608 | LIGHT EMITTING DEVICE - It is an object of the present invention to prevent an insulating film from peeling in a section where the insulating film is adjacent to a sealing region. Over a first substrate | 01-03-2013 |
20140306228 | LIGHT EMITTING DEVICE - It is an object of the present invention to prevent an insulating film from peeling in a section where the insulating film is adjacent to a sealing region. Over a first substrate | 10-16-2014 |
Patent application number | Description | Published |
20100247902 | INTERLAYER FILM FOR LAMINATED GLASS - It is an object of the present invention to provide an interlayer film for a laminated glass not allowing visual identification of persons or objects behind the glass while transmitting a certain amount of visible light and having an excellent heat insulating property. | 09-30-2010 |
20110293856 | RETARDATION ELEMENT - The present invention aims at providing a retardation element which has excellent heat resistance, is small in the changes in the retardation value in an atmosphere of high temperatures, and is capable of maintaining stable optical performance. | 12-01-2011 |
20110293857 | LAMINATE FOR LAMINATED GLASS - An object of the present invention is to provide a laminate for a laminated glass that exhibits an excellent heat resistance, exhibits little variation in its retardation value in high-temperature atmospheres, and can maintain stable optical properties. | 12-01-2011 |
20120021230 | LAMINATE FOR LAMINATED GLASS AND INTERLAYER FILM FOR LAMINATED GLASS - The present invention aims to provide a laminate for a laminated glass which is used as a head-up display (HUD) and is not deteriorated even if exposed to light, and with which a laminated glass having excellent impact resistance can be prepared. | 01-26-2012 |
20130131233 | LAMINATE FOR LAMINATED GLASS AND INTERLAYER FILM FOR LAMINATED GLASS - A laminate for a laminated glass which is used as a head-up display (HUD) and is not deteriorated even if exposed to light, and with which a laminated glass having excellent impact resistance can be prepared, wherein an interlayer film for a laminated glass and a retardation element sandwiched between adhesive layers are laminated, the interlayer film for a laminated glass contains a thermoplastic resin and an ultraviolet absorber, the interlayer film for a laminated glass contains, as the ultraviolet absorber, a benzotriazole compound or a benzophenone compound, and at least one compound selected from the group consisting of a malonic ester compound, an oxanilide compound and a triazine compound. | 05-23-2013 |
Patent application number | Description | Published |
20120061666 | SEMICONDUCTOR DEVICE AND DISPLAY DEVICE - A semiconductor device including a first gate electrode and a second gate electrode formed apart from each other over an insulating surface, an oxide semiconductor film including a region overlapping with the first gate electrode with a gate insulating film interposed therebetween, a region overlapping with the second gate electrode with the gate insulating film interposed therebetween, and a region overlapping with neither the first gate electrode nor the second gate electrode, and an insulating film covering the gate insulating film, the first gate electrode, the second gate electrode, and the oxide semiconductor film, and being in direct contact with the oxide semiconductor film is provided. | 03-15-2012 |
20120127384 | DRIVING METHOD OF STEREOSCOPIC IMAGE DISPLAY DEVICE - A display device capable of high-quality stereoscopic display without decreasing resolution is provided. A pixel portion including a plurality of pixels arranged in matrix is divided into plural regions, lighting of backlight units each emitting light of different hues is controlled in each region, and the backlight units of the plural regions are turned off simultaneously at a regular interval so as to display black. The right-eye image and the left-eye image are alternately displayed with black display interposed therebetween, and light incident on the right eye of a viewer is blocked when a left-eye image is displayed, and light incident on the left eye of the viewer is blocked when a right-eye image is displayed. An image signal is written into a pixel in a black display period during which the backlight units are turned off. | 05-24-2012 |
20120287025 | ACTIVE MATRIX DISPLAY DEVICE AND DRIVING METHOD THEREOF - In a circuit in FIG. | 11-15-2012 |
20130021239 | DISPLAY DEVICE - A display device includes a display panel including a plurality of pixels, a shutter panel including a driver circuit, a liquid crystal, and light-transmitting electrodes provided in a striped manner, and a positional data detector configured to detect a positional data of a viewer. The shutter panel is provided over a display surface side of the display panel, a width of one of the light-transmitting electrodes in the shutter panel is smaller than that of one of the plurality of pixels, and the driver circuit in the shutter panel is configured to selectively output signals for forming a parallax barrier to the light-transmitting electrodes. The parallax barrier is capable of changing its shape in accordance with the detected positional data. | 01-24-2013 |
20130021316 | LIGHT-EMITTING DEVICE - A light-emitting device in which variation in luminance of pixels is suppressed. A light-emitting device includes at least a transistor, a first wiring, a second wiring, a first switch, a second switch, a third switch, a fourth switch, a capacitor, and a light-emitting element. The first wiring and a first electrode of the capacitor are electrically connected to each other through the first switch. A second electrode of the capacitor is connected to a first terminal of the transistor. The second wiring and a gate of the transistor are electrically connected to each other through the second switch. The first electrode of the capacitor and the gate of the transistor are electrically connected to each other through the third switch. The first terminal of the transistor and an anode of the light-emitting element are electrically connected to each other through the fourth switch. | 01-24-2013 |
20130120229 | SIGNAL LINE DRIVER CIRCUIT AND LIQUID CRYSTAL DISPLAY DEVICE - To prevent malfunctions from occurring. A shift register, a selection circuit having a function of determining which a first pulse signal or a second pulse signal is output at the same potential level as a pulse signal input from the shift register, and a plurality of driving signal output circuits each having functions of generating and outputting a driving signal are provided. Each of the plurality of driving signal output circuits includes a latch unit, a buffer unit, and a switch unit for controlling rewriting of data stored in the latch unit. | 05-16-2013 |
20130168670 | SEMICONDUCTOR DEVICE AND DISPLAY DEVICE - A semiconductor device including a first gate electrode and a second gate electrode formed apart from each other over an insulating surface, an oxide semiconductor film including a region overlapping with the first gate electrode with a gate insulating film interposed therebetween, a region overlapping with the second gate electrode with the gate insulating film interposed therebetween, and a region overlapping with neither the first gate electrode nor the second gate electrode, and an insulating film covering the gate insulating film, the first gate electrode, the second gate electrode, and the oxide semiconductor film, and being in direct contact with the oxide semiconductor film is provided. | 07-04-2013 |
20130308372 | STORAGE DEVICE AND WRITING METHOD OF THE SAME - A storage device in which held voltage is prevented from decreasing due to feedthrough in writing data to the storage device at high voltage is provided. The storage device includes a write circuit, a bit line, a word line, a transistor, and a capacitor. A gate of the transistor is electrically connected to the word line. One of a source and a drain of the transistor is electrically connected to the bit line. The other of the source and the drain of the transistor is electrically connected to one terminal of the capacitor. The other terminal of the capacitor is electrically connected to a ground. The write circuit includes an element holding write voltage and a circuit gradually decreasing voltage from the element holding write voltage. The write voltage is output from the write circuit to the word line. | 11-21-2013 |
20140104262 | LIQUID CRYSTAL DISPLAY DEVICE AND DRIVING METHOD THEREOF - In a video voltage comparator circuit, an average of first video voltages applied to pixel electrodes of pixels in the second-half rows in a k-th frame period (k is a natural number) is compared with an average of second video voltages applied to pixel electrodes of pixels in the first-half rows in a (k+1)th frame period for each row. In an overdrive voltage switching circuit, when a difference obtained from the comparison in the video voltage comparator circuit is greater than or equal to a threshold value, the overdrive voltage in the (k+1)th frame period is switched to a first overdrive voltage, and when the difference obtained from the comparison in the video voltage comparator circuit is less than the threshold value, the overdrive voltage in the (k+1)th frame period is switched to a second overdrive voltage lower than the first overdrive voltage. | 04-17-2014 |
20140240631 | DISPLAY DEVICE AND ELECTRONIC DEVICE - Transistors each include a gate electrode, a gate insulating layer over the gate electrode, an oxide semiconductor layer over the gate insulating layer, and a source electrode and a drain electrode over the oxide semiconductor layer. A driver circuit portion includes first to third wirings formed in the same step as the gate electrode, fourth to sixth wirings formed in the same step as the source electrode and the drain electrode, a seventh wiring formed in the same step as a pixel electrode, a first region where the second wiring intersects with the fifth wiring, and a second region where the third wiring intersects with the sixth wiring. The first wiring is connected to the fourth wiring through the seventh wiring. A distance between the wirings in the second region is longer than that in the first region. | 08-28-2014 |
20140339543 | SEMICONDUCTOR DEVICE - A semiconductor device includes a dual-gate transistor including an oxide semiconductor film between a first gate electrode and a second gate electrode, a gate insulating film between the oxide semiconductor film and the second gate electrode, and a pair of electrodes in contact with the oxide semiconductor film. The semiconductor device further includes an insulating film over the gate insulating film, and a conductive film over the insulating film and connected to one of the pair of electrodes. The insulating film includes an opening in at least a region overlapping with the oxide semiconductor film in which the second gate electrode is provided in contact with the gate insulating film. The second gate electrode is formed using the same material as the conductive film connected to the one of the pair of electrodes. | 11-20-2014 |
20140340363 | IMAGING PANEL AND IMAGING DEVICE - A novel transmissive imaging panel, a novel imaging panel with a display function, or a novel imaging device is provided. The imaging panel that includes a plurality of windows or pixels arranged in matrix, a photoelectric conversion element extending between the plurality of windows or pixels, and a sensor circuit supplied with a signal from the photoelectric conversion element has been devised. | 11-20-2014 |
20140361290 | DISPLAY DEVICE - In a pixel including a selection transistor, a driver transistor, and a light-emitting element, as the driver transistor, a transistor is used in which a channel is formed in an oxide semiconductor film and its channel length is 0.5 μm or greater and 4.5 μm or less. The driver transistor includes a first gate electrode over an oxide semiconductor film and a second gate electrode below the oxide semiconductor film. The first gate electrode and the second gate electrode are electrically connected to each other and overlap with the oxide semiconductor film. Furthermore, in the selection transistor of a pixel, which does not need to have field-effect mobility as high as that of the driver transistor, a channel length is made longer than at least the channel length of the driver transistor. | 12-11-2014 |
20150035777 | DISPLAY DEVICE - A display device with low power consumption is provided. Furthermore, a display device in which an image is displayed in a region that can be used in a folded state is provided. The conceived display device includes a display portion that can be opened and folded, a sensing portion that senses a folded state of the display portion, and an image processing portion that generates, when the display portion is in the folded state, an image in which a black image is displayed in part of the display portion. | 02-05-2015 |
20150060896 | DISPLAY DEVICE - To suppress a loss of data in a semiconductor device. To provide a display device including a capacitor storing data, a display element performing display in accordance with the data, and switching elements connected to electrodes of the capacitor. In the display device, the voltage is held between the electrodes of the capacitor by turning the switching elements off; thus, the data can be stored even when supplying the power supply is stopped. | 03-05-2015 |
Patent application number | Description | Published |
20100102473 | METHOD OF MANUFACTURING LIQUID DISCHARGE HEAD - A method of manufacturing a liquid discharge head including a flow path member for forming a flow path communicating with a discharge port discharging a liquid forms a mold of the flow path made of a positive photosensitive resin on a substrate; applies a coated layer on the mold for forming the flow path member, which coated layer includes a solvent, an epoxy resin, and a curing agent of the epoxy resin; removes the solvent from the coated layer at a normal temperature under substantially 1 atm. so that the weight of the coated layer may become 93% or less of that of the coated layer at a time of the applying of the coated layer, and then further removes the solvent from the coated layer under a depressurized condition; cures the coated layer; and removes the mold to form the flow path. | 04-29-2010 |
20100321446 | LIQUID DISCHARGE RECORDING HEAD - A liquid discharge recording head comprising a plurality of recording element boards for discharging black ink and color ink, by which image quality of color ink is improved without decreasing image quality of black ink. The liquid discharge recording head including: a first recording element board including a first discharge aperture for discharging liquid; a second recording element board including a second discharge aperture, the second discharge aperture being smaller than the first discharge aperture; and a support member including a face for supporting the first recording element board and the second recording element board. A distance from the face of the support member to the second discharge aperture is longer than a distance from the face of the support member to the first discharge aperture. | 12-23-2010 |
20110300648 | SUBSTRATE PROCESSING METHOD AND METHOD FOR MANUFACTURING LIQUID EJECTION HEAD - A substrate processing method including the steps of disposing a substrate having a recess in such a manner that the face having the recess is upward in the gravity direction, and applying a resist to the recess and face having the recess to form a resist film thereon, and disposing the substrate having the resist film formed thereon in such a manner that the face having the recess is downward in the gravity direction, and applying a liquid capable of dissolving the resist to the resist film to adjust the thickness of the resist film. A method for manufacturing a liquid ejection head is also provided. | 12-08-2011 |
20150024605 | SUBSTRATE PROCESSING METHOD - A substrate processing method for forming a through-hole in a substrate by reactive ion etching includes preparing a substrate that has a first surface and a second surface and on the first surface side of which a first layer and a second layer are disposed, the second surface being on the opposite side to the first surface, the second layer covering the first layer; and performing reactive ion etching on the substrate from the second surface to form a through-hole extending through the substrate from the first surface to the second surface, the reactive ion etching being performed to reach the first layer. The etching rate of the second layer for the reactive ion etching is lower than that of the first layer. | 01-22-2015 |
20150111321 | METHOD FOR PROCESSING SILICON SUBSTRATE - A method for processing a silicon substrate, comprising the steps of providing a silicon substrate having a first surface and a second surface, forming a non-penetrated hole extending from the first surface toward the second surface side in the silicon substrate, sticking a sealing tape comprising a support member and an adhesive layer on the first surface and filling at least part of the non-penetrated hole with the adhesive layer, performing reactive ion etching from the second surface toward the first surface side to allow the reactive ion etching to reach the adhesive layer filled in the non-penetrated hole and to expose the adhesive layer, and peeling the sealing tape from the silicon substrate to form a through hole in the silicon substrate. | 04-23-2015 |
20150116426 | LIQUID EJECTION HEAD AND METHOD FOR PRODUCING THE SAME - A liquid ejection head including a substrate having an ejection-energy-generating element for generating energy for ejecting a liquid; an orifice plate including at least an ejection-orifice-forming wall that constitutes an ejection orifice for ejecting the liquid and an upper wall of a liquid chamber communicating with the ejection orifice, and a liquid chamber side wall that constitutes a side wall of the liquid chamber. The orifice plate is formed of an inorganic material. The liquid ejection head includes a plurality of liquid chambers; and an elastic member filled into a depressed portion formed between the liquid chamber side wall of one liquid chamber of the liquid chambers adjacent to each other and the liquid chamber side wall of the other liquid chamber. The upper end of the elastic member is arranged in a position higher than an upper face of the ejection-orifice-forming wall. | 04-30-2015 |
20150136024 | LIQUID DISCHARGE HEAD - A liquid discharge head has a substrate, an energy generating element which generates energy for discharging liquid, and an orifice plate in which a discharge orifice which discharges liquid is formed, in which the orifice plate contains silicon and carbon and when the content ratio of the silicon is defined as X (atom %) and the content ratio of the carbon is defined as Y (atom %), Y/X is 0.001 or more. | 05-21-2015 |
20150328896 | SUBSTRATE PROCESSING METHOD AND METHOD OF MANUFACTURING SUBSTRATE FOR LIQUID DISCHARGE HEAD - A substrate processing method includes forming a first hole in a first surface of a silicon substrate to have a depth that it does not extend through the substrate and forming a second hole in a second surface to make the second hole to communicate with the first hole, so that a through hole formed of the first and second holes is formed in the substrate. The process of forming the second hole includes forming a communication portion wider than an opening of the first hole between the first and second holes after the second hole has been made to communicate with the first hole by dry etching. | 11-19-2015 |
20150360470 | METHOD OF FORMING THROUGH-SUBSTRATE - A method of forming a through-substrate having a first surface and a second surface opposite to the first surface, the method causing the first surface to communicate with the second surface through the substrate, the method including: a first step that forms a first trench from the first surface side of the substrate using dry etching, the first trench having side surfaces on which protective film is formed; and a second step that forms a second trench from the second surface side using dry etching, the second trench communicating with the first trench having the side surfaces on which the protective film is formed. | 12-17-2015 |