Patent application number | Description | Published |
20090096906 | CLOCK SIGNAL GENERATION CIRCUIT, DISPLAY PANEL MODULE, IMAGE SENSOR APPARATUS, AND ELECTRONIC APPARATUS - A clock signal generation circuit of a delay locked loop type includes a delay line configured to delay a first clock signal to generate a second clock signal; a delay amount controller configured to change the amount of delay in the delay line in such a manner that a phase of the second clock signal is in synchronization with a phase of the first clock signal; a pseudo-lock detection section configured to detect a pseudo-locked state of the first clock signal and the second clock signal; and a pseudo-locked state release section configured to change the amount of delay in the delay line in a case that the pseudo-locked state is detected. | 04-16-2009 |
20090146711 | CLOCK SIGNAL GENERATING CIRCUIT, DISPLAY PANEL MODULE, IMAGING DEVICE, AND ELECTRONIC EQUIPMENT - A delay synchronization loop type clock signal generating circuit includes: a delay line for delaying a first clock signal by a set delay amount and outputting; a delay time length setting unit for setting a delay time length of the delay line, based on phase difference between a second clock signal output from an output terminal and the first clock signal; a phase relation determining unit for determining whether or not the phase relation of the first clock signal and the second clock signal are in a particular phase relation; and a phase inversion/non-inversion unit for performing phase inversion of the first clock signal on a transmission path including the delay line, at the time of detecting the particular phase relation. | 06-11-2009 |
20090146713 | CLOCK SIGNAL GENERATING CIRCUIT, DISPLAY PANEL MODULE, IMAGING DEVICE, AND ELECTRONIC EQUIPMENT - A delay synchronization loop type clock signal generating circuit includes: a digital delay line for delaying a first clock signal and generating a second clock signal; a ring-type shift register for setting the delay time length of the digital delay line by flip-flop output of each stage thereof; and a delay amount control unit for controlling supply of shift clocks to the ring-type shift register, based on phase relation between the first clock signal and the second clock signal. | 06-11-2009 |
20090219068 | Phase detector, phase comparator, and clock synchronizing device - A flip-flop circuit includes: a first latch circuit that receives input of a data signal and a rise delay clock signal, raises a signal of a first node according to the fall of the rise delay clock signal, and lowers the signal of the first node according to the rise of the rise delay clock signal; a second latch circuit that receives input of the signal of the first node and the clock signal and lowers a signal of a second node at timing when the clock signal falls; a third latch circuit that receives input of the signal of the second node and the clock signal and generates an output signal for maintaining the data signal; and a pull-down circuit that pulls down the signal of the first node with the rise delay clock signal. | 09-03-2009 |
20090243678 | Delay locked-loop circuit and display apparatus - A delay locked-loop circuit includes: a phase comparator detecting a phase difference between an external clock and an internal clock; an up/down counter controlling a delay time in accordance with an output signal from the phase comparator; and a delay line including plural unit delay circuits corresponding to plural bits of a signal output from the up/down counter in order to control the delay of the external clock to conform the external clock to the internal clock, and in which the unit delay circuits controlled by the output from a same bit in the output from the up/down counter are not connected adjacently to each other in the connection of the plural unit delay circuits in series. | 10-01-2009 |
20100053227 | Image recognition method, image recognition apparatus and image input/output apparatus - An image recognition method includes: a first step of acquiring n-th received light data at light receiving elements arranged in a matrix form on a light receiving surface; a second step of acquiring (n+1)-th received light data at the light receiving elements; a third step of calculating differential data resulting from subtraction of the n-th received light data acquired from the (n+1)-th received light data acquired; and a fourth step of carrying out image recognition based on the differential data. | 03-04-2010 |
20100085339 | SENSOR ELEMENT AND METHOD OF DRIVING SENSOR ELEMENT, AND INPUT DEVICE, DISPLAY DEVICE WITH INPUT FUNCTION AND COMMUNICATION DEVICE - The present invention provides a sensor element including two diode elements connected in series to each other, and a capacitive element having one end connected to a junction point between the two diode elements. Each of the diode elements includes a semiconductor layer having a p-type semiconductor region and an n-type semiconductor region facing each other in an in-plane direction, an anode electrode connected to the p-type semiconductor region, a cathode electrode connected to the n-type semiconductor region, a gate insulting film adjoining the semiconductor layer in a stacking direction, and a gate electrode facing the semiconductor layer with the gate insulating film in between. | 04-08-2010 |
20100128004 | IMAGE PICKUP DEVICE, DISPLAY-AND-IMAGE-PICKUP DEVICE, ELECTRONIC APPARATUS AND METHOD OF DETECTING AN OBJECT - An image pickup device capable of stably detecting an object irrespective of use conditions while reducing manufacturing costs is provided. When illumination light from a backlight | 05-27-2010 |
20100220077 | IMAGE INPUT DEVICE, IMAGE INPUT-OUTPUT DEVICE AND ELECTRONIC UNIT - An image input device capable of acquiring object information irrespective of usage conditions, is provided. The image input device includes a light source, a light source driving section, a first photo-detection element, a photo-detection-element driving section, and an image processing section. The light source driving section drives the light source so that ON period is shorter than OFF period. The photo-detection-element driving section drives the first photo-detection element so that read operations are performed after respective light reception periods which are same in length both in the ON period and in the OFF period. The image processing section generates a first difference image based on an ON image and an OFF image, and acquires the object information based on the first difference image. The ON/OFF images are acquired based on respective output signals from the first photo-detection element in the ON/OFF periods. | 09-02-2010 |
20100271321 | INFORMATION INPUT DEVICE, INFORMATION INPUT/OUTPUT DEVICE AND ELECTRONIC DEVICE - An information input device includes an input panel including an illumination light source, a plurality of first light-receiving elements and one or more second light-receiving elements, the illumination light source emitting detection light for detecting an external proximity object, the plurality of first light-receiving elements receiving detection light emitted from the illumination light source and then reflected from the external proximity object, the second light-receiving elements for monitoring the intensity of the detection light; a correction section performing adaptive sensitivity correction on light-receiving signals obtained by the first light-receiving elements through use of an intensity monitor signal of detection light obtained by the second light-receiving element; and an image processing section obtaining object information about one or more of the position, shape and size of the external proximity object based on a picked-up image obtained from the light-receiving signals subjected to the sensitivity correction by the correction section. | 10-28-2010 |
20120299070 | PHOTOELECTRIC CONVERSION ELEMENT AND PHOTOELECTRIC CONVERTER - Disclosed herein is a photoelectric conversion element including: a first semiconductor layer of a first conductivity type provided above a substrate; a second semiconductor layer of a second conductivity type provided in a higher layer than the first semiconductor layer; a third semiconductor layer of a third conductivity type provided between the first and second semiconductor layers and lower in electrical conductivity than the first and second semiconductor layers; and a light-shielding layer provided between the substrate and first semiconductor layer. | 11-29-2012 |
20120299804 | SIGNAL TRANSMISSION APPARATUS AND IMAGING DISPLAY SYSTEM - A signal transmission apparatus including electrostatic discharge protection circuits arranged between a signal line and a wiring line of plural pixel wiring lines, each having a first transistor and a capacitor device; and a first control line connected to the electrostatic discharge protection circuits, wherein, in the electrostatic discharge protection circuit, a gate of the first transistor is connected to the first control line, one of a source and a drain in the first transistor is connected to one signal line and one terminal of the capacitor device as well as the other is connected to another wiring line, and the other terminal of the capacitor device is connected to the gate of the first transistor. | 11-29-2012 |
20120313103 | RADIOACTIVE-RAY IMAGING APPARATUS, RADIOACTIVE-RAY IMAGING DISPLAY SYSTEM AND TRANSISTOR - Disclosed herein is a transistor including: a semiconductor layer; a first gate insulation film and a first interlayer insulation film which are provided on a specific surface side of the semiconductor layer; a first gate electrode provided at a location between the first gate insulation film and the first interlayer insulation film; an insulation film provided on the other surface side of the semiconductor layer; source and drain electrodes provided by being electrically connected to the semiconductor layer; and a shield electrode layer provided in such a way that at least portions of the shield electrode layer face edges of the first gate electrode, wherein at least one of the first gate insulation film, the first interlayer insulation film and the insulation film include a silicon-oxide film. | 12-13-2012 |
20130044250 | IMAGE PICKUP UNIT AND IMAGE-PICKUP AND DISPLAY SYSTEM - An image pickup unit including: an image pickup section including pixels, each of the pixels including a photoelectric conversion device; and a drive section performing a line-sequential readout drive and a line-sequential reset drive. The drive section intermittently performs the line-sequential reset drive multiple times during one frame period, to allow a non-overlap period to be provided at least in part of reset operation periods in an overlap period. The overlap period is a period during which a drive period of one of the multiple line-sequential reset drives and a drive period of one of the remaining multiple line-sequential reset drives are overlapped. The non-overlap period is a period during which each of the reset operations by the one of the multiple line-sequential drives is not overlapped with any of the reset operations by the one of the remaining multiple line-sequential reset drives. | 02-21-2013 |
20130100302 | IMAGE PICKUP UNIT AND IMAGE PICKUP DISPLAY SYSTEM - An image pickup unit includes: an image pickup section having a plurality of pixels each including a photoelectric conversion device and a field effect transistor; and a driving section, by using the transistor, that executes read driving and reset driving on a signal charge stored in the pixel. The driving section intermittently executes the reset driving a plurality of times in a one-frame term, and executes on-operation of the transistor by applying, to the transistor over at least one resetting term in the one-frame term or over a partial term in the at least one resetting term, a second voltage that is lower than a first voltage applied in a resetting term in the one-frame term other than the at least one resetting term. | 04-25-2013 |
20130100327 | IMAGE PICKUP UNIT AND IMAGE PICKUP DISPLAY SYSTEM - An image pickup unit includes: an image pickup section having a plurality of pixels each including a photoelectric transducer; and a drive section performing reading driving and reset driving of signal charge stored in each of the pixels. The drive section includes a charge amplifier circuit converting the read signal charge into a voltage, the drive section performs the reset driving a plurality of times intermittently during one frame period, and the drive section performs each reset driving within the one frame period, by using feedback or an imaginary short of a charge amplifier in the charge amplifier circuit. | 04-25-2013 |
20130100330 | IMAGE PICKUP UNIT AND IMAGE PICKUP DISPLAY SYSTEM - An image pickup unit includes: an image pickup section including a plurality of pixels, the pixels each including a photoelectric transducer and a field-effect transistor; and a drive section switching the transistor between an on operation and an off operation to perform a read operation and a reset operation of a signal charge accumulated in each of the pixels. The transistor includes a first gate electrode and a second gate electrode with a semiconductor layer in between, the drive section applies a first voltage and a second voltage to the first gate electrode and the second gate electrode of the transistor, respectively, to switch the transistor between the on operation and the off operation, and the drive section adjusts timings of switching the first and second voltages between an on-voltage and an off-voltage, on-voltage values of the first and second voltages, or both thereof to be different from each other. | 04-25-2013 |
20130107088 | IMAGE PICKUP UNIT AND IMAGE PICKUP DISPLAY SYSTEM | 05-02-2013 |
20130107092 | IMAGE PICKUP UNIT AND IMAGE PICKUP DISPLAY SYSTEM | 05-02-2013 |
20130222660 | IMAGE PICKUP UNIT AND IMAGE PICKUP DISPLAY SYSTEM - An image pickup unit includes: an image pickup section including a plurality of pixels, the plurality of pixels each including a photoelectric converter device and a field-effect transistor; and a driving section reading out a signal charge with use of the transistor, the signal charge being accumulated in each of the plurality of pixels. The driving section turns off the transistor by applying an off-voltage to the transistor, the off-voltage being set in consideration of an off-leakage current between a source and a drain of the transistor. | 08-29-2013 |
20130234219 | RADIOACTIVE-RAY IMAGING APPARATUS, RADIOACTIVE-RAY IMAGING DISPLAY SYSTEM AND TRANSISTOR - Disclosed herein is a transistor including: a semiconductor layer; a first gate insulation film and a first interlayer insulation film which are provided on a specific surface side of the semiconductor layer; a first gate electrode provided at a location between the first gate insulation film and the first interlayer insulation film; an insulation film provided on the other surface side of the semiconductor layer; source and drain electrodes provided by being electrically connected to the semiconductor layer; and a shield electrode layer provided in such a way that at least portions of the shield electrode layer face edges of the first gate electrode, wherein at least one of the first gate insulation film, the first interlayer insulation film and the insulation film include a silicon-oxide film. | 09-12-2013 |
20130256544 | IMAGE PICKUP DEVICE AND IMAGE PICKUP DISPLAY SYSTEM - An image pickup device includes: an image pickup section including a plurality of pixels; and a drive section reading a signal charge stored in each of the pixels. Each of the pixels includes: a circuit layer including a field-effect transistor, a signal line, and a holding capacitive element; a first electrode provided on the circuit layer and arranged for each of the pixels; a semiconductor layer provided on the first electrode across the pixels, and generating the signal charge based on incident radiation; a second electrode provided on the semiconductor layer; and a third electrode disposed in a region that is between the circuit layer and the semiconductor layer and that is not in opposition to the first electrode, and controlled in voltage by the drive section. | 10-03-2013 |
20140022426 | IMAGE PICKUP UNIT, METHOD OF DRIVING IMAGE PICKUP UNIT, AND IMAGE PICKUP DISPLAY SYSTEM - An image pickup unit includes: a signal generating section generating a pulse signal that makes transitions between a first voltage and a low-noise second voltage; a voltage holding section holding a difference between a voltage of the pulse signal and a voltage of an output node; a voltage setting section that generates a pixel selection signal through setting the voltage of the output node to a third voltage in correspondence to a transition of the pulse signal from the second voltage to the first voltage, and outputs the pixel selection signal from the output node; and an image pickup section driven by the pixel selection signal. | 01-23-2014 |
20140061484 | RADIATION IMAGE PICKUP DEVICE - A radiation image pickup device includes: an image pickup section having a plurality of pixels and generating an electric signal according to incident radiation, the plurality of pixels each including a photoelectric conversion element and one or a plurality of transistors of a predetermined amplifier circuit; and a correction section subjecting signal data of the electric signal obtained in the image pickup section to predetermined correction process. The correction section makes a comparison between measurement data obtained by measuring an input-output characteristic of the amplifier circuit in each of the plurality of pixels and initial data on the input-output characteristic, and performs the correction process by the pixel individually, by using a result of the comparison. | 03-06-2014 |
20140347536 | IMAGE PICKUP DEVICE AND IMAGE PICKUP DISPLAY SYSTEM - Provided is an image pickup device that includes: pixels each including a photoelectric conversion element and one or more switching elements; control lines provided to perform open/close control of at least one first switching element; a buffer circuit provided for each control line, and configured to output a voltage to each control line; second switching elements each provided between corresponding one of the control lines and a power source of the corresponding buffer circuit; and a switch control circuit that is, upon image pickup driving, configured to control one of the second switching elements, provided between a defect holding line that includes an electrically short-circuited part in the plurality of control lines and the power source of the buffer circuit of the defect holding line, to be in an open state, and configured to control another one of the second switching elements to be in a closed state. | 11-27-2014 |