Abstract: A backup shift register module having at least two backup shift registers is used to repair a defective main shift-register module. A normally open link is provided between the input of first backup shift register and the input of each odd-numbered main shift register, and between the output of first backup shift register and the input of each even-numbered main shift register. A normally open link is provided between the input of second backup shift register and the input of each even-numbered main shift register, and between the output of second backup shift register and the input of each odd-numbered main shift register. If one main shift register is defective, the input and output of the defective shift register are disconnected from the cascade link, and the normally open links are connected to the input of the defective shift register and the output of the next shift register are connected.

Abstract: A display element drive unit is provided with a power-on time display section which separately presets grayscale display digital data to output a grayscale display level voltage different from a grayscale display level voltage based on incoming display data signal to the display elements during a given period between power-on of the display panel and output of the grayscale display level voltage based on the incoming display data signal. With this arrangement, the present invention provides a display element drive unit capable of easing an instantaneous display of distorted image that occurs in a given period at power-on of the panel while minimizing increase of a circuit scale; a display device including the display element drive unit; and a display element drive method.

Abstract: The invention provides a low power multiplexer configuration in a display panel and a display panel and an electronic device using the same. The multiplexer conducts one of source output signals into to red (or green or blue) sub-pixels under control of control signals. In every time a frame is scanned or changed, the red (or green or blue) sub-pixels driven by the source output signal via the multiplexer are always in the same signal polarity, so the multiplexer consumes low power because voltage swing rates in source output signals are very low or almost zero.

Abstract: A liquid crystal display device includes: scanning wires, provided so as to correspond to a plurality of pixels disposed in a matrix manner, to which scanning signals are applied; and signal wires to which data signals are applied, wherein the scanning wires and the signal wires cross each other. TFTs, electrically connected to the scanning wires and the signal wires, each of which is provided in the vicinity of an intersection of the scanning wire and the signal wire, and the TFTs are connected to pixel electrodes. A dummy pixel driven by a dummy signal wire is provided externally adjacent to an endmost pixel column. This brings about a matrix type liquid crystal display device that equalizes capacitive conditions of all the signal wires to each other and can prevent deterioration of display quality that is brought about by a specific portion differently displayed.

Abstract: A liquid crystal display and a repair lines structure thereof are provided. In the liquid crystal display, an amplifier is disposed inside an integrated circuit chip, such as a data driver or a scan driver. The amplifier is serially connected to the signal line via a repair line by means of an appropriate connection circuit. Consequently, the problem of signal attenuation occurring in the repair line will be improved.

Abstract: An LCD device includes a plurality of data lines, a plurality of gate lines, a plurality of display units, two dummy gate lines, and a plurality of dummy switches. When performing charge sharing during a positive driving period, the data lines are coupled to a positive voltage source via a corresponding dummy gate line and corresponding dummy switches. When performing charge sharing during a negative driving period, the data lines are coupled to a negative voltage source via a corresponding dummy gate line and corresponding dummy switches.

Abstract: In an array substrate and a display apparatus, a pixel part has a plurality of gate lines, a plurality of data lines, and a plurality of pixels electrically connected to the gate and data lines. A driving circuit drives the pixel part electrically connected to a first end of the gate lines. An inspection circuit is electrically connected to a second end of the gate lines, and inspects the pixel part in response to an inspection signal externally provided. Thus, positions and causes for defects of the pixel part may be accurately detected, thereby improving inspecting efficiency.

Abstract: An optimum driving method is realized in a miniaturized liquid crystal display device having two liquid crystal display panels so as to low power consumption. The liquid crystal display device includes a first liquid crystal display panel, a second liquid crystal display panel, a drive circuit which is mounted on the first liquid crystal display panel, output terminals which are formed on the first liquid crystal display panel and to which signals outputted from the drive circuit are supplied, and connection lines which connect the output terminals and the second liquid crystal display panel, wherein the drive circuit can change the AC driving method employed during a display period of the first liquid crystal display panel and the AC driving method employed during a display period of the second liquid crystal display panel which are present within the same frame.

Abstract: A liquid-crystal display wherein each color sub-pixel is divided into at least a first region and a second region, each region having a pair of electrodes and a storage capacitor. The lower electrode in each region is connected to the same gate line via a different TFT. The upper electrode in each region is connected to a different common line to receive a different voltage signal. Each of the voltage signals comprises a common component and a different signal component. The different signal components are periodical in a “swing” fashion. These signals are in-sync with each other but with different polarity. When the sub-pixel is divided into three regions, the voltage signal in the third common line is equal to the common component. When suitable swing signals in positive frames and negative frames are applied to the regions in sub-pixels, different pixel inversion effects can be achieved.

Abstract: A variable capacitor is formed from a pair of electrodes and a dielectric interposed between the electrodes over a substrate, and an external input is detected by changing capacitance of the variable capacitor by a physical or electrical force. Specifically, a variable capacitor and a sense amplifier are provided over the same substrate, and the sense amplifier reads the change of capacitance of the variable capacitor and transmits a signal in accordance with the input to a control circuit.

Abstract: A pixel structure for an liquid crystal display (LCD) with an embedded touch screen is provided.

Abstract: A sample hold circuit includes a first switch connected between a data line and a first node, a second switch connected between first node and a second node, a capacitor connected between the second node and a line of a common potential, and a drive circuit applying a potential equal to that of the second node to the first node and one of the electrodes of the liquid crystal cell. The first and second switches are turned on when a scanning line is at an “H” level.

Abstract: A liquid crystal display device includes a common voltage switching device selectively supplying one of first and second common voltages, a thin film transistor connected to a gate line and a data line, a liquid crystal capacitor connected to the thin film transistor and the common voltage switching device.

Abstract: A driving circuit for an electro-optical device includes scan lines, data lines, and pixel portions, arranged in an image display region on a substrate. The driving circuit includes a data line driving circuit to supply a first sampling signal and a second sampling signal sequentially to the sampling switches. Each sampling switch to supply an image signal of an image signal line to each of the data lines corresponding to the first sampling signal and the second sampling signal. Each of the sampling switches includes a first transistor for sustaining the image signal according to the first sampling signal and a second transistor electrically connected in series to the first transistor for supplying the image signal sustained by the first transistor to the data lines according to the second sampling signal.

Abstract: There is disclosed an electrooptical device capable of achieving a large area display by making full use of the size of the substrate. An active matrix substrate acts as a driver portion for the reflection-type electrooptical device. A pixel matrix circuit and logic circuitry are formed on the active matrix substrate. At this time, the logic circuitry is disposed, by making use of a dead space in the pixel matrix circuit. The area occupied by the pixel matrix circuit, or image display region, can be enlarged without being limited by the area occupied by the logic circuitry.

Abstract: A display panel comprising a pixel array is provided. The pixel array, laid on a first circuit layer, comprises at least one first pixel, at least one second pixel, at least one rescue line, and an isolation layer. The first pixel comprises a thin film transistor aligned to upper edge of the first pixel. The second pixel comprises a thin film transistor aligned to lower edge of the second pixel, wherein the second pixel is adjacent to the first pixel and below the first pixel respectively. The rescue line lay on a second circuit layer, positions at the gap between the first pixel and the second pixel. The isolation layer lies between the first circuit layer and the second circuit layer.

Abstract: The retaining circuit 110, which retains the digital image signal fed from the drain signal line 61 in response to the signal inputted from gate signal line 51, is formed. The signal selection circuit 120, which selects one of the two signals (signal A or signal B) in response to the signal from the retaining circuit 110 and which supplies the selected signal to the display electrode 80, is formed. Also, the reference voltage generation circuit 500, which provides the signal A and signal B, is formed within the display panel 100. When the display device is under the digital display mode, the reference voltage generation circuit 500 prepares the signal fed to the display electrode 80. Thus, there is no need to supply the signal A or signal B from outside, resulting in the simpler configuration of the external circuits. Also, since the drive of the external circuits can be completely halted under the digital display mode, it is possible to further reduce the consumption of the electric power.

Abstract: An active matrix type liquid crystal display device driving method for switching a partial display mode and a normal display mode. The respective data lines of the partial display area are scanned in a certain period defined as a frame period, “k” pieces (symbol “k” is integer larger than, or equal to 1) of the partial display areas are present within 1 screen, a common electrode potential is varied 2k times within 1 frame period; a common electrode potential in a partially scanning period for scanning the partial display area is made as a constant potential against a reference of a driving circuit for driving the data lines; and within at least two continued frames, a common electrode potential of a blank period other than the partially scanning period is made as a constant potential which is different from the constant potential in the partially scanning period.

Abstract: In an active matrix liquid crystal display device, a drain and source of a TFT element for controlling power supply to a pixel electrode, are arranged so that an alignment direction of liquid crystal molecules over the source and drain does not change, thereby preventing formation of ghost images in the display. In one embodiment, an electric field generated between the source and drain is parallel to an initial non-zero alignment angle of the molecules.

Abstract: An electronic device includes a first member, and a second member which includes segments. At least one of the first member and the second member is movable relative to the other of the first member and the second member among a plurality of distinct positions as a result of differing voltage states of the segments.

Abstract: There is provided a display in which any defective pixel is rendered less noticeable even if a full-screen white display or suchlike is effected. In a normally-white liquid crystal display device, which transitions after power activation from non-display state through display starting state, where a full-screen blank white display is effected, to normal display state, an auxiliary electrode driver portion controls an auxiliary capacitance line voltage Vcs to be applied to auxiliary capacitance lines in accordance with the state of the liquid crystal display device in the following manner.

Abstract: An object of the invention is to provide electrostatic discharge damage protection during manufacturing and to suppress power consumption as low as possible during ordinary use of the electronic device having been manufactured, with avoidance of the problem of electric corrosion. An electronic device 10 comprising an array of pixels 12 wherein row and column address lines 18, 20 for addressing each pixel 12 are arranged. Each address line is connected to a discharge line 30, 32 through a discharge 38. The circuit allows the passage of charge between the address line and the first discharge line 30 when the address line is at a potential below that of the first discharge line, and allows the passage of charge between the address line and the second discharge line 32 when the address line is at a potential above that of the second discharge line.

Abstract: A method of testing a drive circuit including a scan line drive circuit and a data line drive circuit for driving a display is disclosed. The display may include a plurality of scan lines and a plurality of data lines, each of said scan lines including an initial terminal coupled to said scan line drive circuit, each of said data lines including an initial terminal coupled to said data line drive circuit. The method includes: coupling each of said scan lines and each of said data lines to a first testing pad and a second testing pad respectively; sending a first testing signal to an input terminal of said scan line drive circuit and sending a second testing signal to an input terminal of said data line drive circuit; and testing at said first testing pad and said second testing pad respectively.

Abstract: The screen of a liquid crystal display is first divided into a compensation portion, a compensation transition portion and a non-compensation portion in a sequence arranged along the scanning line. Then storage capacitor areas of the pixels in the non-compensation portion are made equal, whereas the difference between the storage capacitor area of the pixel in the compensation portion and that in the non-compensation portion is set to one constant basic compensation area. Afterward, the average of the storage capacitor areas of the pixels on each data line in the compensation transition portion progressively varies along the scanning line, where the average is greater than or equal to any of the storage capacitor areas of the pixels in the non-compensation portion. The direction of the scanning line is designated as either the direction in which scanning signals are transmitted or the direction opposite thereto.

Abstract: A liquid crystal display (“LCD”) includes a first display area, a second display area, a peripheral area outside of the first and second display area, and a dummy pixel unit formed on the peripheral area, wherein the first and second display areas include a plurality of pixels arranged in a matrix each of which has a switching element, and data lines and gate lines connected to the pixels, wherein the data lines include a first data line group positioned on the first and second display areas and a second data line group positioned on the first display area and the dummy pixel unit.

Abstract: To prevent a vertical stripe pattern on a display screen of an image display device and an image display panel of narrow pulse driving, there is provided an image display panel and image display device comprising a pixel portion arranged with pixels in matrix, a drive circuit connected respectively to each data line shared by pixels in each column of the pixel portion for controlling supplying of a video signal to be input to the data line based on a plurality of clocks to be input, a plurality of input pads for inputting a plurality of clocks, and a clock input circuit, wherein resistance of wiring from the plurality of input pads to the clock input circuits is made to be approximately the same between the plurality of clocks.

Abstract: An exemplary liquid crystal panel (2) includes a data driver (220), a gate driver (210), a plurality of data lines (203) arranged in parallel and spaced from each other, a plurality of gate lines (201) arranged in parallel and spaced from each other, a plurality of data connecting lines (204), a plurality of gate connecting lines (207), and a repair line. The first pads are connected to the data lines via the data connecting lines. The second pads being connected to the gate lines via the gate connecting lines. The repair line includes a first sub repair line (2081), a second sub repair line (2082), and a third sub repair line (2083). The first sub repair line intersects with the data connecting lines, the second sub repair line intersects with the first pads, and the third sub repair line electrically connects the first and second sub repair lines.

Abstract: An upper electrode substrate that is provided on a display surface side; and a reflecting sheet (back surface sheet) that is provided on a back surface side of the upper electrode substrate such that an upper space (display space) is formed between the upper electrode substrate and the reflecting sheet, and such that a through hole (liquid storage space) whose one end side is connected with the upper space is formed; are provided. Moreover, an upper electrode (first electrode) is provided on an upper side and a lower side of the upper space, a lower electrode (second electrode) is provided so as to surround the through hole, and the upper electrode and the lower electrode are connected to a switch (driver) and an alternating-current power supply (driver).

Abstract: The present invention relates to a liquid crystal display panel having a cell test structure and a method for making the same. The liquid crystal display panel includes a substrate having a plurality of first driving IC mounting areas, a plurality of first conductive wires located on the substrate, a plurality of second conductive wires that are parallel and interlaced with the first conductive wires, a first shorting bar connected to the first conductive wires and passing through all of the first driving IC mounting areas, and a second shorting bar connected to the second conductive wires and passing through all of the first driving IC mounting areas.

Abstract: A liquid crystal display device includes a group of first signal lines ( . . . , Sm?1, Sm, Sm+1, . . . ) arranged in parallel, a group of second signal lines ( . . . , Gn?1, Gn, Gn+1, . . . ) and a group of auxiliary capacity wirings ( . . . , Csn?1, Csn, Csn+1, . . . ) alternately arranged one by one in parallel so as to intersect with the group of the first signal lines, a plurality of pixel electrodes arranged in a pixel region, an auxiliary electrode connected to each of the pixel electrodes, and a TFT element corresponding to each of the pixel electrodes. The auxiliary electrode has a portion forming a capacitor by overlapping with auxiliary capacity wiring Csn and a portion forming a capacitor by overlapping with second signal line Gn?1.

Abstract: This invention relates to a driving circuit for flat panel displays wherein the driving circuit is disposed on a flat panel display panel. The circuit has a plurality of signal lines, at least one buffer unit for inverting a scanning signal, a plurality of switch units and an active area (display area). The plurality of signal lines supplies a plurality of analogous video signals to the plurality of switch units. The unit for inverting a scanning signal generates at least a scanning signal which is then outputted to the plurality of switch units. The analogous video signal so received is transformed into the active-matrix display area by controlling the operation of the plurality of switch units.

Abstract: A display device of the present invention has an incorporated charge pump control circuit and a clock frequency of a switching element can be varied according to a display mode to reduce the power consumption. On the display device, a variable frequency-dividing circuit and a CPU to control the circuit are configured with thin film transistors. A clock frequency of a switching element is varied by controlling a dividing ratio of the variable frequency-dividing circuit on the basis of CPU data.

Abstract: A method and circuit for providing analog voltages to an LCD panel based on digital voltages. A gamma curve defining a relationship between the applied voltage and a luminescence of the liquid crystals is implemented in a timing controller through a look-up table, an algorithm, and the like. The digital grey level values provided by the timing controller are converted to analog voltages by a linear switched capacitor cyclic digital-analog-converter (DAC) in each column driver. Switches are set in a different configuration for each conversion cycle allowing charges to be accumulated in capacitors based on a value of an input bit. The DAC converts starting with a least significant bit. Linear operation allows handling of larger amounts of data without increasing circuit size significantly. A capacitor mismatch error may be reduced significantly by swapping capacitor configuration every other cycle or frame.

Abstract: An object of the invention is to repair a drain signal line easily. Each region enclosed by two gate signal lines adjacent to each other and two drain signal lines adjacent to each other that are formed on the liquid-crystal-side surface of one of transparent substrates that are opposed to each other with a liquid crystal interposed in between is made a pixel region. Each pixel region is provided with a switching element that is driven being supplied with a scanning signal from one of the two gate signal lines and a pixel electrode that is supplied, via the switching element, with a video signal from one of the two drain signal lines. A repair conductive layer is formed so as to be contained in each drain signal line when viewed perpendicularly with an insulating film interposed in between.

Abstract: A pixel unit in the present invention is divided into two sub-pixels. Each sub-pixel includes a thin film transistor, a liquid crystal capacitor and a storage capacitor. The two transistors respectively located in different sub-pixels are connected to different scan lines. One of the two transistors is connected to the data line through another transistor. Therefore, two different pixel voltages are formed in a pixel.

Abstract: A liquid crystal display is suitable for displaying images with rapid motions, and comprises an active matrix substrate equipped with a plurality of thin film transistors. The active matrix substrate comprises a plurality of pixels that are placed at the encircled areas of a plurality of scanning lines and a plurality of data lines. Each pixel consists of two thin film transistors and one pixel electrode. The data lines connected electrodes of the thin film transistors are connected to two adjoining data lines respectively, whereas the pixel connected electrodes of the two thin film transistors are together connected to the pixel electrode. The gate electrodes of the two thin film transistors are connected to two adjoining scanning lines respectively.

Abstract: An LCD device includes a plurality of data lines, a plurality of gate lines, a plurality of display units, two dummy gate lines, and a plurality of dummy switches. When performing charge sharing during a positive driving period, the data lines are coupled to a positive voltage source via a corresponding dummy gate line and corresponding dummy switches. When performing charge sharing during a negative driving period, the data lines are coupled to a negative voltage source via a corresponding dummy gate line and corresponding dummy switches.

Abstract: A display driving circuit having a plurality of driving stages and driving lines is provided. The driving stages are electrically coupled in serial, and each of the driving stages comprises a conducting path for transmitting an electric signal from the previous driving stage to the next driving stage via the current driving stage. Each of the driving lines respectively corresponds to a driving stage and electrically connects to an output terminal of the corresponding driving stage. The display driving circuit is characterized in that a redundant device is only installed in one part of the driving stages. The redundant device is capable of supplying an extra conducting path to transmit an electric signal from the previous driving stage to the next driving stage via the current driving stage while the original conducting path in the corresponding driving stage is broken.

Abstract: A method for charge sharing between source lines of a pixel array. The method includes the steps of grouping the source lines into pairs, implementing charge sharing if data polarities of a currently and a last scanned row are different; otherwise, in each pair of the source lines, estimating a first and second energy driving the two source lines respectively with and without a preliminary charge sharing, and implementing charge sharing only if the first energy is smaller than the second energy.

Abstract: Methods and apparatus for repairing inoperative pixels in a display are provided. In particular, the present invention provides methods and apparatus for improving the effective yield rates of displays, such as liquid crystal micro-displays, by disconnecting inoperative pixels from their defective drive circuitry and tying such pixels to the working drive circuit of a nearby pixel. A display can be repaired without the need to provide redundant drive circuitry underneath each pixel.

Abstract: A method and apparatus for driving a liquid crystal display enhances display quality and reduces power consumption. A portion of inputted data may be reproduced and used in the generation of dummy data. A scanning pulse is applied to gate lines of a liquid crystal display panel supporting lines crossing the gate lines. Consecutive ones of thin film transistors within columns of liquid crystal calls may be alternately coupled to adjacent ones of data lines. The inputted data and the dummy data are applied to the data lines in synchrony with the scanning pulse.

Abstract: A gate wire is formed on the insulating substrate. The gate wire has gate lines, first and second gate electrodes connected to the gate lines, and gate pads. A gate insulating layer, first and second semiconductor layers and an ohmic contact layer are sequentially formed thereon. A data wire is formed on the ohmic contact layer. The data wire has first and second data lines, data line connectors, first and second source electrodes, first and second drain electrodes, and data pads. A passivation layer is formed on the data wire, and has contact holes respectively exposing the first and the second drain electrodes, and the gate and the data pads. Pixel electrodes, and subsidiary gate and data pads are formed on the passivation layer. As described above, the data line is provided at opposite sides of the pixel area so that variation in the pixel voltage due to the parasitic capacitance between the partitioned areas with different degree of misalignment is reduced.

Abstract: The invention provides a shift register which can function normally even with an abnormal register or a broken register while suppressing the manufacturing cost as little as possible. The shift register of the invention includes n regular registers (SR(1) to SR(n)) connected in series and n output lines (L1 to Ln) corresponding to the n regular registers, r (r?n) redundant registers (SR(n+1) to SR(n+r)) connected in series to the n regular registers, and a switch circuit for selectively connecting the regular and redundant resistors to output lines. The switch circuit connects the n regular registers to the corresponding output lines in a normal state, connects normal registers of upper and lower stages of the broken register by skipping and disabling the broken register if any, and connects normal regular registers and the same number of redundant registers as the broken registers to the n output lines.

Abstract: A method of reducing flickering and inhomogeneous brightness in an LCD. The method serially connects each scan line connecting a plurality of pixels in a row with a resistor to form a scan line circuit. The resistor is connected between the first pixel of the scan line and the voltage input terminal of the scan line, so that the gate voltage entering the TFT in the first pixel deforms. The voltage of the TFT decreases when it is turned off, minimizing screen flickering and inhomogeneous brightness due to the capacitor charge coupling effect between the first pixel and the last pixel on a scan line.

Abstract: A pixel has first to third N-type TFT elements serially connected between a data line and a pixel electrode node. Each gate of the first and second TFT elements is connected to a first gate line, while the gate of the third TFT element is connected to a second gate line. The first and second gate lines in a select state each set to a high voltage that can fully turn-on the first to third TFT elements. The first gate line in a non-select state is set to a low voltage that can fully turn-off the first and second TFT elements, while the second gate line in the non-select state is set to an intermediate voltage between the maximum and the minimum voltages being transmitted on the data line.

Abstract: An array substrate includes a plurality of signal lines (X1–Xm) in a display unit (DSP). One switching element is connected per row to each signal line. A switching element in the Nth row of the Mth pixel column and a switching element in the (N+1)th row of the (M+1)th pixel column are connected to the same signal line, and video signals having opposite polarities are supplied to adjacent signal lines.

Abstract: A driving circuit for driving a capacitive load promptly to a target voltage is to have a broad dynamic range and achieve a high accuracy output and saving in the surface area with low power dissipation. A first period and a second period are provided in one data driving period. During the first period, a transistor amplifier for driving the load for charging, with a setting drive voltage (V1), and a transistor amplifier for driving the load for discharging, with a setting drive voltage (V2), with V1<V2, are both enabled for actuation and, during the second period, the transistor amplifier performing either the driving for charging or the driving for discharging, and a constant current source, performing the reverse of the operation of the transistor amplifier, are actuated, for driving the load to the target voltage.

Abstract: A method is provided for displaying an image in a liquid crystal display which enables a scale of a power supply circuit for supplying power to a backlight to be small-sized and the power supply circuit to be low-priced and power consumption of the backlight to be reduced and which enables a flickering phenomenon, a trail-leaving phenomenon (trail-effect), and an image-retention phenomenon to be decreased. In the method for displaying the image in the liquid crystal display device, based on a motion vector, by doing switching between an image signal making up the above image and a blanking signal and by applying a plurality of data electrodes making up the liquid crystal display device, an image signal or a non-image signal is displayed.

Abstract: A programmable controller having three well-known components used in display controls but put under the control of a programmable ‘sub-field ’ timing generator is disclosed. The three well-known components include a Phase Lock Loop (PLL) unit, a Pixel Pipe Line (PPL) unit and an embedded frame buffer. Even though these are well known and understood components, each one is implemented to support the field and sub-field concepts of field sequential color (FSC) as well as non-FSC TFT display devices. The programmable controller also includes some new components that are unique to FSC displays. These new components include a color light sequencer to control the LED controls (or whatever color light source used) and programmable Source and Gate driver controls to accommodate the extremely wide diversification between different display panels.

Abstract: A liquid crystal display device is formed by arranging a plurality of scanning lines 31, 32, . . . to which scanning signals are successively applied and a plurality of signal lines 41, 42, . . . to which data signals are successively applied to intersect at right angles. Mounted in the vicinity of each of the intersections of the scanning lines 31, 32, . . . and signals lines 41, 42, . . . are a TFT 5 electrically connected to both of the lines, and a pixel electrode 6 connected to the TFT 5. A common electrode is placed to face the pixel electrode 6 with liquid crystals 2 therebetween. One of electrodes of a pixel capacitance formed by the pixel electrode 6 is connected to a common line 9 for supplying a common signal to the common electrode 7. A dummy scanning line 30 for forming a capacitance is arranged outside of the scanning line 31 located at the outermost position on a scanning start side of scanning signal.