275results about How to "Improve sensing sensitivity" patented technology

A touch screen display apparatus includes a first substrate including a pixel electrode and a lower sensor electrode, a second substrate facing the first substrate and including a common electrode and an upper sensor electrode facing the lower sensor electrode, a liquid crystal layer interposed between the substrates, a first alignment layer disposed on the pixel electrode and the common electrode, a second alignment layer disposed on the lower sensor electrode, and a third alignment layer disposed on the upper sensor electrode. The second or third alignment layers aligns the liquid crystal layer in a different direction from a direction the first alignment layer aligns the liquid crystal layer. When pressure is applied onto a point on the first or second substrate, a distance and a capacitance between the lower sensor electrode and the upper sensor electrode at the point are changed to detect a position of the point.

A touch unit array including a plurality of first strip electrodes, a plurality of second strip electrodes, and a plurality of electrode pad units is provided. Each first strip electrode has at least one first opening. The second strip electrodes are orthogonally arranged to the plurality of first strip electrodes. Each electrode pad unit includes at least one electrode pad, and the electrode pads are respectively disposed in the plurality of first openings, wherein each electrode pad unit receives a first driving signal.

The invention discloses a capacitance type touch module, a capacitance type in cell touch panel and a display device, and adopts the scheme that a whole surface-connected public electrode layer in an array substrate is divided to form touch inducting electrodes and touch driving electrodes which are insulated with one another, and the touch inducting electrodes and touch driving electrodes are driven in a time-shared manner, so that a touch function and a display function are achieved; each of touch inducting electrodes comprises a plurality of touch inducting subelectrodes, each of touch driving electrodes comprises a plurality of touch driving subelectrodes, and the opposite side edges of the adjacent touch inducting subelectrode and the touch driving subelectrode are fold lines, so that the opposite area between the adjacent touch driving electrode and the touch inducting subelectrode is increased, the mutual capacitance between the touch driving electrodes and the touch inducting subelectrodes in a unit area is increased, and further the sensitivity of the touch panel during touch is improved.

The invention provides a touch display device and a touch device. The touch display device comprises a display panel and a touch sensing element arranged on the display panel, wherein the touch sensing element comprises sensing electrodes and drive electrodes, the sensing electrodes are arranged in the first direction, the drive electrodes are arranged in the second direction, and the sensing electrodes and the drive electrodes are interlaced with each other to form a plurality of capacitor sensing units; each sensing electrode comprises a principal electrode bar and a plurality of electrode branches connected to the principal electrode bar; the drive electrode in each capacitor sensing unit comprises at least one peripheral electrode bar and at least one inside electrode bar which are interlaced with the electrode branches of the sensing electrode; and each peripheral electrode bar has a first width, the inside electrode bar has a second width in the first direction, and the first width is less than the second width.

The invention relates to a touch control panel device, which comprises a substrate layer, an insulating layer and a plurality of first and second electrode groups. The insulating layer is formed on the surface of the substrate layer; each first electrode group comprises a plurality of first electrode plates and a plurality of first conducting wires which are electrically connected with the adjacent first electrode plates; and each second electrode group comprises a plurality of second electrode plates and a bridging conducting wire which is electrically connected with the adjacent second electrode plates. The first electrode groups and the second electrode plates in the second electrode groups are mutually and alternately formed on the surface of the insulating layer, and the bridging conducting wire is formed on the surface where the substrate layer and the insulating layer are connected. The device has the advantages that the device has simple structure and easy manufacture, and can reduce the electromagnetic interference from the outside.

Provided is a conductive laminate comprising a base resin layer and a conductive layer on at least one surface of a substrate, by stacking in the sequential order of the base resin layer and the conductive layer from the substrate side, and in which the base resin layer comprises a resin including a urethane acrylate resin having a glycol skeleton, and a grafted resin having a hydrophilic group among side chains thereof. A touch panel using the conductive laminate of the present invention exhibits good writing sense, high input sensitivity and favorable durability. In addition, the conductive laminate of the present invention is preferably used for electrode members, which are employed in display products such as a liquid crystal display, an organic electro-luminescence, and an electronic paper as well as solar cell modules, and so forth.

The invention discloses an improved GF (glass-film)-structured touch screen and a connection method for an FPC (flexible printed circuit) thereof. The touch screen is of a stacked structure and sequentially comprises a glass cover plate, a first sensing electrode layer, a PET (polyethylene terephthalate) film layer and a second sensing electrode layer from top to bottom. The first sensing electrode layer is arranged on the lower surface of the glass cover plate, the second sensing electrode layer is arranged under the PET film layer, a through hole is formed in the PET film layer, the second sensing electrode layer is connected to a corresponding electrode unit on the first sensing electrode layer via the through hole, the FPC is connected to electrode lead-out pins of the first sensing electrode layer by means of hot-pressing, and the PET film layer is adhered with the glass cover plate by transparent optical cement. The transparent optical cement is OCA (optical clear adhesive). The FPC is provided with a touch IC (integrated circuit). The improved GF-structured touch screen and the connection method have the advantages that the problem of low hot-pressing yield of an FPC of an existing GF-structured touch screen can be thoroughly solved, and the performance and the stability of the improved GF-structured touch screen are improved.

Provided is a graphene nanoribbon sensor. The sensor includes a substrate, a graphene layer formed on the substrate in a first direction, and an upper dielectric layer on the graphene layer. Here, the graphene layer may have a plurality of electrode regions respectively separated in the first direction and a channel between the plurality of electrode regions.

A display panel comprises a first substrate, a second substrate and a display media; wherein, the display media is positioned between the first substrate and second substrate. The first substrate is provided with a pixel array. The second substrate includes a plurality of first contact control electrodes arranged along a first direction and a plurality of second contact control electrodes arranged along a second direction. Each of the first contact control electrodes is formed by staggered arranging a plurality of first upper layer contact control electrode patterns and a plurality of first lower layer shield electrode patterns, and each of the first upper layer contact control electrode patterns is electrically connected with the coadjacent first upper layer contact control electrode pattern. Each of the second contact control electrodes is formed by staggered arranging a plurality of second upper layer contact control electrode patterns and a plurality of second lower layer shield electrode patterns, and each of the second upper layer contact control electrode patterns is electrically connected with the coadjacent second upper layer contact control electrode pattern.

A biometric feature recognition apparatus and an electronic device having the biometric feature recognition apparatus are disclosed. The biometric feature recognition apparatus includes: a chipset; a dielectric cover plate located above the chipset; and a first conductor group located above the dielectric cover plate, where the first conductor group and the chipset are interconnected, and the first conductor group provides a pulse signal to a user finger when the finger is in contact with the biometric feature recognition apparatus. The biometric feature recognition apparatus has advantages of a high integration density and low subsequent manufacturing difficulty, and can be made into a super thin structure and therefore has great ornamental value. Moreover, interior of the biometric feature recognition apparatus can be protected, and is highly secure.

The invention provides an integrated structure of a capacitive touch pad and a liquid crystal display panel. In the integrated structure of the capacity-type touch pad and the liquid crystal display panel, a first touch inductive electrode layer is formed above an upper polaroid of the liquid crystal display panel, a second touch inductive electrode layer is formed below the upper polaroid of the liquid crystal display panel, and a touch object is respectively inducted with the first touch inductive electrode layer and the second touch inductive electrode layer to generate a corresponding capacitive coupling relation so as to achieve the touch effect.

The invention provides a sensor for sensing an angle position of a rotating shaft and a sensing system, wherein a magnet conductive block is fixedly arranged on the rotating shaft and can rotate along with rotation of the rotating shaft. The sensor comprises a magnet device and a Hall effect sensing component. The Hall effect sensing component is used for sensing the angle position of the rotating shaft. When the magnet conductive block rotates along with the rotating shaft, a magnetic field which is generated by the magnet device is changed. The Hall effect sensing component generates an electric signal along with magnetic field change. The electric signal indicates the angle position of the rotating shaft. Because built-in U-shaped back magnet technology is adopted for the sensor of the invention, sensing precision of the sensor is greatly improved. Therefore a precision requirement for measuring the angle position of the rotating shaft can be satisfied through using a single IC chip which is provided with one Hall effect sensing component.

An electrostatic capacitance sensing device of exemplary embodiments of the present invention include M number of row lines, N number of column lines that are arranged in a matrix of M rows and N columns, N number of path gates for output signal, and electrostatic capacitance sensing elements provided at the intersections between the row and column lines. The electrostatic capacitance sensing element includes a signal sensing element, a signal amplifying element, a column selection element, and a row selection element. The signal sensing element includes a capacitance sensing electrode and a capacitance sensing dielectric film. The path gate for output signal, the signal amplifying element, the column selection element, and the row selection element are made up of thin-film semiconductor devices.

The invention discloses a cable force detecting method and a cable force sensor using the same. A linear relationship between induction voltage and steel cable force is decided, the induction voltage is generated by a magnetic-electric sensing unit in the cable force sensor along with the change of the magnetic field, and the magnetic-electric sensing unit with magnetostriction performance is utilized to replace a detecting coil of a magnetic flux senor as a detecting unit to detect the induction voltage of the cable force sensor in axial deformation of a steel cable. The cable force detecting method has the advantages of reducing magnetic flux leakage of the detecting unit and magnetic flux leakage between the detecting unit and an excitation coil and improving the measurement accuracy of the sensor. In addition, the magnetic-electric sensing unit with the magnetostriction performance can directly respond the induction voltage through change of the internal magnetic field of a coil framework, and a method of responding the induction voltage through the change of the magnetic flux and then transmitting the induction voltage through the detecting unit to obtain response voltage is avoided. Thus, the response time is short, and the testing speed is high. Furthermore, the cable force sensor is simple in manufacturing procedure, and the signal to noise ratio of the sensor is improved.

The invention relates to an optical fiber sensing natural gas pipeline leakage accident recognition device and relates to the technical field of mechanical vibration measuring, impact measuring and pipeline systems. The optical fiber sensing natural gas pipeline leakage accident recognition device comprises a light source, a transmission optical path part, optical fiber sensors, a photoelectric detector and a signal collecting and processing module. The optical fiber sensors are installed on a pipeline body at certain intervals and form optical fiber sensor groups, each optical fiber sensor group is connected with a beam splitter serially connected in optical fibers through an optical fiber and then is connected with the light source and photoelectric detector at the receiving end, and the output of the photoelectric detector is connected with the signal collecting and processing module which is connected with a microcomputer. Through processing of the signal collecting and processing module, the sensor group signals mixed based on a frequency division multiplexing mode achieve demultiplexing of sensors in the sensor groups to obtain original leakage vibration wave signals. The optical fiber sensing natural gas pipeline leakage accident recognition device can timely monitor abnormal signals at the primary stage of pipeline leakage and is high in alarming accuracy.

The invention relates to a keyboard which comprises a plastic cement bottom plate, a plural of buttons and a capacity touch control sensing piece. The plural of the buttons are arranged on the plastic bottom plate, and each button consists of a key cap and a support device. The support device is connected between the key cap and the plastic cement bottom plate and used for enabling the press cap to move between a pressing position and a non-pressing position, opposite to the plastic cement bottom plate. The plastic cement bottom plate is arranged below the plastic cement bottom plate and used for providing a touch operating signal to a computer device. The keyboard can reduce manufacture cost of the keyboard, and further improves touch sensing sensitivity of the keyboard.

A bit line sense amplifier for inhibiting increase of an offset voltage, and a method for fabricating the same are provided. The bit line sense amplifier comprises a plurality of CMOS inverters, which are cross-coupled corresponding to the paired bit lines. Each of the CMOS inverters senses and amplifies a voltage of the paired bit lines. Here, transistors comprised in each inverter are positioned at the same location in a well region where the transistors are formed. As a result, increase of the offset voltage due to inconsistency of electrical characteristics which results from difference in location of devices is inhibited, thereby improving sensitivity of the sense amplifier and characteristics of the DRAM.

The invention discloses a method for measuring distance between natural gas pipe leakage detecting sensors and relates to the technical field of mechanical vibration measurement, impact measurement and a pipe system. The method is used for measurement on the basis of an optical fiber sensed natural gas pipe leakage monitoring system; and a leakage signal is simulated at the position where the sensors are arranged, the signal transmitting time is estimated, and the distance between two sensors, i.e. the length of a pipe between the two sensors, is measured by combining the propagation speed of a leakage vibrating wave signal. The measurement on the pipe leakage detecting sensor distance is high in accuracy.

The invention discloses a thin film transistor for an electrowetting display device and a manufacturing method thereof. The thin film transistor comprises a basal plate, a bottom conducting film layer, a first insulating film layer, a semiconductor amorphous silicon film layer, a second conducting film layer, a second insulating layer, a fourth conducting film layer and an organic leveling film layer; the bottom conducting film layer is arranged on the basal plate; the first insulating film layer is covered above the bottom conducting film layer; the semiconductor amorphous silicon film layer is covered on the first insulating film layer; the second conducting film layer is partially covered on the semiconductor amorphous silicon film layer, and the second layer of the insulating film layer is covered above the first insulating film layer, the semiconductor amorphous silicon film layer and the second conducting film layer; the organic leveling film layer is covered on the second insulating layer; and the fourth conducting film layer is covered on the organic leveling film layer. Compared with the prior art, the invention has the advantages that the reaction speed is improved as the organic leveling film layer is added; a drain electrode and a public electrode are both connected with the same plane by the conducting film layers, therefore, the reaction speed is accelerated; and the opening rate of the product is improved.

The present invention relates to a palpation diagnostic device, which comprises an optical pressure sensor embedded in a holder; wherein the optical pressure sensor is an optical fiber sensor, or a micro-fabricated waveguide sensor to be disposed on a finger or a palm; and the optical pressure sensor is configured to receive an optical signal whose intensity is attenuated when a force is applied on the optical pressure sensors. Therefore, the palpation diagnostic device of the present invention can provide high sensing sensitivity by attenuating the intensity of the optical signal in the optical pressure sensors which a force is applied on, so it can provide precise and immediate information based on quantitative feedback for the users.