127results about How to "Reduce crosstalk effects" patented technology

The present invention is directed toward a detector structure, detector arrays, and a method of detecting incident radiation. The present invention comprises several embodiments that provide for reduced radiation damage susceptibility, decreased affects of crosstalk, reduced dark current (current leakage) and increased flexibility in application. In one embodiment, a photodiode array comprises a substrate having at least a front side and a back side, a plurality of diode elements integrally formed in the substrate forming the array, wherein each diode element has a p+ fishbone pattern on the front side, and wherein the p+ fishbone pattern substantially reduces capacitance and crosstalk between adjacent photodiodes, a plurality of front surface cathode and anode contacts, and wire interconnects between diode elements made through a plurality of back surface contacts.

The present invention provides for reduced radiation damage susceptibility, decreased affects of crosstalk, and increased flexibility in application. In one embodiment, the present invention includes a back side illuminated photodiode array with a back side etching that minimizes the active area layer, thereby decreasing the affects of crosstalk. The back side etching is preferably, but by no way of limitation, in the form of “U” or “V” shaped grooves. The back side illuminated with back side etching (BSL-BE) photodiodes are implemented in an array and have superior performance characteristics, including less radiation damage due to a thinner active area, and less crosstalk due to shorter distances for minority carriers to diffuse to the PN junction.

To provide more compact dimensions of a via structure formed by signal via pairs and ground vias in multilayer substrate. A multilayer substrate is provided such that the multilayer substrate comprising a high-isolated via cell wherein the high-isolated via cell comprises: two signal via pairs; a shield structure around two signal via pairs consisting of ground vias and ground strips connected to ground vias wherein the shield structure is formed symmetrically in respect to two via pairs to reduce the transformation between mixed modes and also leakage from two signal via pairs; a clearance hole separating signal via pairs from other conductive parts of the multilayer substrate and having predetermined dimensions to provide broadband operation of the high-isolated via cell; and the separating strip disposed symmetrically between said signal via pairs to provide crosstalk reduction between two signal via pairs and common mode decrease.

A liquid crystal display panel including a first substrate, a liquid crystal layer, an alignment layer, a polymer layer, scan lines, data lines, pixel structures, first capacitor bottom electrodes and second capacitor bottom electrodes, and a manufacturing method thereof are provided. Each pixel structure has a first pixel electrode and a second pixel electrode. Each first capacitor bottom electrode is disposed between the first pixel electrode and the first substrate. Each second capacitor bottom electrode disposed between the second pixel electrode and the first substrate includes a first pattern and a plurality of second patterns. The first pattern extends from a first side to an opposite second side of the second pixel electrode. The second patterns connected to the first pattern are disposed on the first side and the second side. The second pattern at least partly overlaps a region between the second pixel electrode and the data line.

The present invention discloses an image processing device and method, and belongs to the field of image processing technology. The device includes: a sliding module, used to slide in an image in Bayer format to be processed by using an M*N sliding window; a read module, used to read a pixel value of a center pixel point when the center pixel point in the sliding window is a green pixel point; a calculating module, used to calculate a symmetric value of the pixel value of the center pixel point according to the sliding window; a determining module, used to determine an equilibrium output value of the center pixel point according to the pixel value and the symmetric value of the center pixel point; and a generating module, used to generate a processed image according to the equilibrium output value of each green pixel point in the Bayer image to be processed. The problem existing in the background technology, i.e., noise exists in the image due to crosstalk between adjacent pixel points in the image in the Bayer format obtained by Bayer array filtering, is solved; and influences of the crosstalk between the adjacent pixel points in the image are reduced; and the image display effect is improved.

A transfer circuit 25 includes two sets of an input circuit 52A and an output circuit 53B, which allows bidirectional transfer. The input circuit 52A decomposes external input data signals DI11A and DI12A to signals on lines L11 to L14 in synchronism with a clock signal CLK in order to reduce the frequency thereof. The output circuit 53B composes the decomposed signals in synchronism with the clock signal CLK to regenerate the original signals and output them as external output data signals DO11B and DO12B. Signals on either the lines L11 to L14 or L21 to L24 are selected by a multiplexer 57 to provide to a main body circuit.

The present invention is directed toward a detector structure, detector arrays, and a method of detecting incident radiation. The present invention comprises several embodiments that provide for reduced radiation damage susceptibility, decreased affects of crosstalk, reduced dark current (current leakage) and increased flexibility in application. In one embodiment, a photodiode array comprises a substrate having at least a front side and a back side, a plurality of diode elements integrally formed in the substrate forming the array, wherein each diode element has a p+ fishbone pattern on the front side, and wherein the p+ fishbone pattern substantially reduces capacitance and crosstalk between adjacent photodiodes, a plurality of front surface cathode and anode contacts, and wire interconnects between diode elements made through a plurality of back surface contacts.

The droplet ejection apparatus includes: a droplet ejection head which has a plurality of nozzles arrayed two-dimensionally, droplets of liquid being ejected from the nozzles and deposited onto an image-rendering medium to form dots on the image-rendering medium; and a relative movement device which moves the droplet ejection head and the image-rendering medium relatively to each other in a relative movement direction, wherein: the droplet ejection head has a nozzle arrangement in which, out of the plurality of nozzles, a row of nozzles sharing a same liquid supply flow channel is divided into M (where M is an integer greater than one) nozzle group blocks and positions of all of the nozzles within each nozzle group block are shifted in the relative movement direction so as to provide a predetermined positional difference in the relative movement direction to the positions of the nozzles between the M nozzle group blocks, and the nozzle arrangement in which the nozzles are arrayed two-dimensionally is configured such that, between dots formed on the image-rendering medium by adjacent nozzles within a certain one nozzle row, at least one dot formed by a nozzle within another nozzle row is arranged so that the dots formed by the adjacent nozzles within the one nozzle row are arranged with an interval of N (where N is an integer greater than one) dots; the droplet ejection apparatus comprises M ejection drive devices which independently perform ejection control on the respective M nozzle group blocks; and the ejection drive devices carry out ejection drive on the nozzles within the same nozzle group block at ejection timing of a same phase, and also carry out ejection drive on the nozzles in different nozzle group blocks at different ejection timings with a phase difference corresponding to the positional difference.

The present invention provides a picture element inspecting apparatus and method for an active matrix type display that is constituted by an LCD array device or an EL array device, which is capable of canceling the irregularities in source switches 13, the noise caused by device driving signals, and the irregularities in devices in the measurement apparatus, and enhancing the accuracy of a picture element inspection. The present invention is based on the finding that irregularities in the direction of the source lines 8 can be canceled by performing, in addition to a charging step and first sensing step that are realized by the charging and discharging of picture elements 2, a second sensing step in a state where gate lines are not selected, and subtracting correction picture element data thus obtained, and is characterized in that a subtraction operation is performed on effective picture element data obtained by electrically charging picture elements 2, and correction picture element data obtained in a state where gate lines 9 of picture elements 2 are not selected, and the quality of the picture elements 2 is determined based on the subtraction output.

An access node of a communication system receives signals over respective first and second channels of the system, processes the signal received over the second channel and an initialization signal associated with the first channel to obtain estimated crosstalk coefficients characterizing crosstalk from the first channel into the second channel, introduces respective predetermined delays into the respective signals received over the first and second channels, and utilizes the estimated crosstalk coefficients to adjust the signal received over the second channel as delayed by the corresponding predetermined delay in order to compensate for the crosstalk from the first channel into the second channel. The first and second channels may comprise respective joining and active subscriber lines of a DSL system.

An autostereoscopic 3D display comprises a first unit (503) for generating an intermediate 3D image. The intermediate 3D image comprises a plurality of regions and the first unit (503) is arranged to generate a first number of image blocks of pixel values corresponding to different view directions for the region regions. The number of image blocks is different for some regions of the plurality of regions. A second unit (505) generates an output 3D image comprising a number of view images from the intermediate 3D image, where each of the view images correspond to a view direction. The display further comprises a display arrangement (301) and a driver (507) for driving the display arrangement (301) to display the output 3D image. An adaptor (509) is arranged to adapt the number of image blocks for a first region in response to a property of the intermediate 3D image or a representation of a three dimensional scene from which the first image generating unit (503) is arranged to generate the intermediate image.

The invention relates to a liquid crystal display and a drive method thereof. The liquid crystal display comprises a liquid crystal display panel, a scanning driver, a time sequence control circuit and a data driver, wherein the liquid crystal display panel comprises a first pixel row and a second pixel row. The time sequence control circuit determines a modification voltage index value accordingto the absolute value of the subtraction difference of the average value of original pixel voltage corresponding to the original pixel data of all the pixels of the first pixel row and the average value of original pixel voltage corresponding to the original pixel data of all pixels on the second pixel row; modification voltage is determined according to the modification voltage index value; the regulation pixel voltage of target pixels is determined according to the original pixel voltage of the target pixels on the second pixel row and the modification voltage; and regulation pixel data corresponding to the regulation pixel voltage are output. The data driver outputs the regulation pixel voltage to the target pixels according to the regulation pixel data.

The invention provides a pixel structure and the production method thereof. The pixel structure comprises a substrate, a shading pattern floatingly arranged on the substrate, an insulation layer arranged on the substrate and the shading pattern, a data line arranged above the shading pattern and corresponding to the shading pattern, a dielectric layer arranged on the data line and the insulation layer, and a third-layer conductive pattern arranged on the dielectric layer. The third-layer conductive pattern comprises a common wire and a common pattern, wherein, the common pattern has two branch lines, a gap exists between the two branch lines, and further more the gap is positioned above the data line. The pixel structure of the invention takes advantage of the shading pattern of a first-layer conductive pattern to shield the light leakage which is easy to be produced on both sides of the data line of a second-layer conductive pattern, and takes advantage of the common pattern of the third-layer conductive pattern to shield the pixel electrode and the data line to avoid the parasitic capacitance produced between the pixel electrode and the data line.

The invention provides a synchronous prediction method for horizontal fractures and vertical fractures of an orthogonal medium fracture type reservoir. The method comprises steps of firstly, expressing an orthotropic disturbance matrix by utilizing longitudinal and transverse wave moduli and fracture weakness; secondly, deriving an orthogonal medium linearized longitudinal wave reflection coefficient equation represented by longitudinal and transverse wave moduli, density and crack weakness by utilizing a scattering function and a disturbance matrix; and lastly, expressing the linearized longitudinal wave reflection coefficient as a Fourier series expression, and establishing a three-step inversion method to estimate longitudinal and transverse wave moduli, density and fracture weakness, and thereby realizing multi-parameter inversion of the orthotropic medium. The method is advantaged in that on the basis of a Scheenberg linear sliding model, that crack weakness with more definite physical significance is directly used for representing the development conditions of horizontal cracks and vertical cracks in an orthogonal medium is proposed; an orthogonal medium longitudinal wave reflection coefficient equation is expressed as a Fourier series form, and crosstalk influence of crack weakness caused by horizontal cracks and crack weakness caused by vertical cracks is reduced.

The invention relates to a seamless safety veiling designed by a cylinder mirror, which comprises an infrared emission member P1 and an infrared receiving member P2 which are arranged face to face, wherein, the emission member is infrared LED array and controlling circuit. A receiving end of the emission member is infrared receiving pipe PD array and the controlling circuit. Each LED corresponds with the infrared receiving pipe in opposite face and is arranged in the same straight line with the infrared receiving pipe. Two cylinder mirrors are respectively put on the same axle in the front of the lighting face and the receiving face. An emission pipe and a receiving pipe are respectively located on the corresponding focus of the cylinder mirror. A plurality of emission arrays / receiving arrays are connected by selecting communicating signal in series. A light filter plate is added between each infrared receiving pipe. The invention reduces the serial interference influence between the emitting unit and the receiving unit by using optics design. The detection blind zone is effectively removed. The invention is of simple structure, sensitive and accurate detection; therefore, the invention is applicable to far distance detection and can judge the size of shading object.

Disclosed are an organic light emitting display device and a method for driving the same. The organic light emitting display device including a display panel including a plurality of scan lines, first through (M)th data lines crossing the scan lines, and a plurality of pixels, where M is an integer greater than 1, a scan driver configured to provide scan signals to the pixels through the plurality of scan lines, a data driver configured to provide data signals to the pixels through the first through (M)th data lines, and a porch data generator configured to generate porch data based on an average value of at least a portion of frame data, and to provide the porch data to the data driver, wherein the data driver is configured to generate the data signals based on the porch data during a porch period, and to generate the data signals based on the frame data during an active period.

A multilayer substrate is provided with a conductor plane region in which a plurality of conductor planes are disposed; a clearance region disposed adjacent to the conductor plane region so that the plurality of conductor planes are excluded from the clearance region. A plurality of signal vias are disposed through the clearance region so that the plurality of signal vias are isolated from the plurality of conductor planes. A conductor post is connected to one of the plurality of conductor planes and disposed between two of the signal vias in the clearance region.

The invention discloses a three-dimensional display device, a control method of the three-dimensional display device and a controller. The three-dimensional display device comprises a tracking device for obtaining an watching position, a controllable light splitter, a driving circuit and a display panel, wherein the controller is used for obtaining the watching position according to the tracking device so as to calculate the offset of the controllable light splitter and controlling the driving circuit to move the controllable light splitter according to the calculated offset. According to the invention, the limitation of the watching zone is eliminated, and the parallel movement of the watching zone relative to the screen is implemented.

The invention relates to a pixel structure of a liquid crystal display, which comprises a substrate, a shading part, a first data wire, a second data wire and a pixel electrode. The shading part is arranged on the substrate; the first data wire and the second data wire are arranged along the shading part; and the second data wire is partially overlapped with the shading part; and the pixel electrode is partially overlapped with the first data wire and the shading part, and not overlapped with the second data wire.

The invention provides a PCB layout design method reducing differential crosstalk. When a chip differential pin bonding pan and a differential pair perform coupling layout, chip pins and the differential pair are in opposite coupling polarity, and crosstalk noises correspondingly generated by the chip pins and the differential pair are in opposite polarity, so that when noise signals are superpositioned, due to the opposite amplitude polarity, most of noise energy is bound to offset due to mutual superposition, and further crosstalk noise can be effectively reduced. Compared with the prior art, the PCB layout design method reduces signal crosstalk by optimizing the layout mode, thereby improving the product quality and effectively reducing the crosstalk influence due to high-density interconnection of high-frequency signals. Meanwhile, the PCB layout design method reducing the differential crosstalk has the advantages of being reasonable in design, simple in structure, convenient to use and the like, thereby obtaining high usage values.

The present invention provides a pixel circuit and a display substrate and belongs to the technical field of pixel circuits. With the pixel circuit and the display substrate adopted, the problem thatan existing pixel circuit is susceptible to crosstalk can be partially solved. The pixel circuit of the present invention comprises a light emitting unit, a storage unit, a driving unit, and a compensation unit; the light emitting unit is used for emitting light during a light emitting phase; the storage unit is configured to be electrically connected with a first electric level end and the driving unit in the light emitting phase, and provide a driving electric level for the driving unit according to the electric level of the first electric level end; the driving unit is configured to be electrically connected with a first power source end, the light emitting unit and the storage unit in the light emitting phase, and control the light emitting brightness of the light emitting unit according to the driving electric level; the compensation unit is configured to be electrically connected with the storage unit and the driving unit in the light emitting phase and reduce the change degree of the driving electric level when the electric level of the first electric level end jumps.

The present invention relates to one kind of LCD device and its driving method. A polar distribution controlling signal generating unit is used to generate polar distribution controlling signal output to the polar distribution data driver, and one aperiodic polar array is output to the display panel according to the polar distribution control signal to make pixel unit polarity in the panel in aperiodic distribution. Inside several frames, one half of the frames are complementary with the other half of the frame, that is to say, the polarity of all the pixel units in one half of the frames is opposite to that of all the pixel units in the other half of the frames.

The invention relates to a resource allocation method of a multi-core elastic optical network based on nodes and crosstalk perception, and belongs to the technical field of optical fiber communication. The method comprises the following steps: determining node importance according to intermediary centrality of nodes, arranging the nodes in a descending order according to the node importance, and configuring a limited spectrum converter for the ordered optical network nodes according to a certain proportion value of the number of the optical network nodes; in a route selection stage of a service request, designing a path weight calculation method considering path load and a use proportion of a limited spectrum converter in a path, and arranging candidate paths in an ascending order; in the fiber core spectrum allocation stage, adopting a fiber core grouping and spectrum partitioning method, designing a fiber core spectrum selection method considering the compactness of spectrum intervals and the number of overlapped frequency slots of the spectrum intervals, and reducing the crosstalk value between fiber cores; for the service request with failed spectrum allocation, searching the available spectrum block for the service request again through the limited spectrum converter, so the probability of successful transmission of the service is improved.

Data are read from a memory matrix (10) with a plurality of bit lines (12). A differential sense amplifier (14) receives a signal derived from a first one of the bit lines (12) on a first input. The differential sense amplifier (14) receives a reference signal from a reference output of a reference circuit (15) to a second input. A second one of the bit lines (12), which is adjacent to the first one of the bit lines (12), is coupled to the reference circuit (15), so that a bit line signal value on the second one of the bit lines (12) affects a reference signal value on the reference output, at least partly reproducing an effect of crosstalk of the bit line signal value (12) on the second one of the bit lines (12) on a bit line signal value on the first one of the bit lines (12).

An alignment device comprises a light source, a transmission optical fiber, a shaping lens group, an integrator, a beam expander lens group, an alignment optical fiber, a photoelectric detector and a signal processing system. Light emitted from the light source passes through the transmission optical fiber and the shaping lens group and is converted into a parallel light beam; the parallel light beam is converted by the integrator into a light beam with uniformly distributed energy; the beam expander lens group changes the diameter of the light beam to be equivalent to the diameter of a core of the alignment optical fiber; the light beam is coupled to the alignment optical fiber; the light beam emitted from the alignment optical fiber irradiates on an alignment mark; the light emitted from the alignment mark passes through the photoelectric detector, a light signal is converted into an electric signal, and the position information of the alignment mark is obtained by the signal processing system through calculation.

The invention provides a display panel, which comprises a plurality of touch sensing chains, each touch sensing chain is provided with a corresponding touch routing area, each touch routing area is independently routed to be connected with a touch integrated circuit, and all the touch routing areas do not need to be gathered in a lower frame area. The touch wiring areas are arranged above the low-voltage wiring area VSS and the high-voltage wiring area VDD respectively, so that the width of the left lower frame area and the right lower frame area of the display panel can be reduced, the narrowframe of the large-size display panel is facilitated, the VDD and the VSS are both direct current (DC) signal sources, direct current signals cannot penetrate through capacitors, crosstalk cannot begenerated on the signal lines, the array substrate and the array substrate can reduce the influence of signal crosstalk.