Abstract: A liquid crystal display (LCD) having a plurality of pixels is provided. In one embodiment, the pixels of the LCD each include common and pixel electrodes formed on an insulating layer, and a liquid crystal layer responsive to electric fields generated by the electrodes. The plurality of pixels may include two or more sets of pixels each configured to transmit light of a different color, and the pixel electrodes of one set of pixels may be configured differently from those of another set. In other embodiments, the sizes of the pixels may differ. Various additional devices and methods are also provided.

Abstract: There is provided a liquid crystal display device having: a liquid crystal panel (101) including a plurality of gate lines to select a pixel and a plurality of data lines to supply pixel data; and a data driver (103, 104) dividing one frame into a plurality of fields, converting the frame data to field data, and supplying the field data to the data line.

Abstract: A liquid crystal display (LCD) is provided having transistors disposed within via holes having elongated (e.g., rectangular or oval) contact areas. The use of via holes having elongated contact areas allows an opaque mask defining an aperture for light transmission to be lengthened, thereby increasing the overall area of the aperture. The increase in the area of the aperture may increase the amount of light that can pass through the aperture.

Abstract: Systems, devices, and methods for reducing common voltage loading and/or enabling a simplified manner of polarity inversion in liquid crystal display (LCD) devices are provided. In accordance with one embodiment, a device may include a processor, a memory device, and a liquid crystal display having a pixel array including rows and columns of pixels. The pixels of each row of the pixel array may be configured to cause an approximately even amount of common voltage loading to be shared between one of a first plurality of common electrodes and one of a second plurality of common electrodes when the pixels of each row of the pixel array receive a scanning signal and a data signal.

Abstract: Aspects of the present disclosure relate to single-domain electrode configurations that may be implemented in the unit pixels of a LCD device, such as a fringe field switching (FFS) LCD, to provide a “pseudo-multi-domain” effect, wherein the benefits of both conventional single-domain and multi-domain pixel configuration devices are retained. In accordance with aspects of the present technique, single-domain unit pixels are angled or tilted in differing directions with respect to a vertical axis of the LCD panel (e.g., y-axis) to provide an alternating and/or periodic arrangement of different-angled pixel electrodes along each scanning line, data line, or a combination of both scanning and data lines. In this manner, the transmittance rates of conventional single-domain LCD panels may be retained while providing for improved viewing angle and color shift properties typical of conventional multi-domain LCD panels.

Abstract: A pixel circuitry for a display apparatus is provided herein. The pixel circuitry includes a first storage element, and a switching element composed of a plurality of switches. The first storage element has a first terminal receiving a pixel signal and a second terminal coupled to a first voltage. The first storage element is used for storing the pixel signal. The switching element includes a first switch and a second switch respectively conducted in response to a first signal and a second signal. Each of the first switch and the second switch has an input terminal coupled to a data line and an output terminal coupled to the first storage element. The cooperation of the first switch and the second switch has benefit of delivering the pixel signal without influence of body effect.

Abstract: The present invention provides a liquid crystal display panel and a liquid crystal display device in which a position of a singular point of pinwheel alignment is controlled, thereby suppressing rough-grained image and generation of image retention, and in which the response time is improved. The present invention is a liquid crystal display panel including a pair of substrates and a liquid crystal layer interposed therebetween, the liquid crystal layer including liquid crystal molecules with negative dielectric anisotropy, wherein the pair of substrates each include an electrode, at least one of the pair of substrates includes a vertical alignment film and a photopolymerized polymer, the electrode on one of the pair of substrates has such a shape as to provide pinwheel alignment of the liquid crystal molecules upon application of a voltage and is partly provided with openings for surrounding a singular point of the pinwheel alignment and keeping the singular point within the electrode.

Abstract: Systems and methods of controlling illumination of a display device are disclosed. These systems and methods can detect a plurality of luminance values in a digital image of the display device that correspond to a plurality of pixel positions of the display device. A first plurality of luminance values of the plurality of luminance values can be mapped to a first pixel position of the plurality of pixel positions of the display device, and a compensation mask value for the first pixel position can be determined based upon the first plurality of luminance values. The compensation mask value can correspond to an adjustment of a luminance value of the first pixel position.

Abstract: In an arrangement area of lamps (16) in the backlight chassis (14), a main longitudinal direction of the lamps (16) lies in a first direction and the lamps (16) are arranged at uneven intervals (P), and the area has a high-density area (center area (Rc)) in which the lamps (16) are arranged with high density and a low-density area (upper area (Rt) and lower area (Rb)) in which the lamps (16) are arranged with low density. The backlight chassis (14) has a heat releasing member arranged on its backside in the high-density area.

Abstract: A display includes a first substrate, a partition element, a second substrate, a dielectric liquid, a plurality of dielectrophoretic particles and a plurality of electrophoretic particles. The partition element is disposed on the first substrate. The second substrate is disposed on the partition element. The partition element forms at least one accommodating room between the first substrate and the second substrate. The first substrate or the second substrate is adapted to forming an electric field in the accommodating room. The dielectric liquid is disposed in the accommodating room and has a first dielectric constant. The dielectrophoretic particles are dispersed in the dielectric liquid. Each of the dielectrophoretic particles has a first color and a second dielectric constant different from the first one. The electrophoretic particles are dispersed in the dielectric liquid. Each of the electrophoretic particles has a second color different from the first one. Another display is also provided.

Abstract: Display particles that are used for an image display apparatus in which the display particles are sealed between two substrates at least one of which is transparent, and by generating an electric field between the substrates, the display particles are moved so that an image is displayed, wherein the display particles include positively chargeable display particles and negatively chargeable display particles, and the positively chargeable display particles and the negatively chargeable display particles are formed by allowing inorganic fine particles made of the same constituent materials to be adhered to the surfaces of base particles, and an image display apparatus provided with the display particles.

Abstract: The field of the invention is that of man-machine interface devices for viewing screen (1), said screen being able to display graphical objects (10) called “widgets”, said interface device making it possible to carry out the operations of navigating, selecting and activating said graphical objects (10), the device comprising at least: a computer (2) linked to the viewing screen (1), the computer generating on the screen a virtual designation element called a focus, said focus being able to be positioned on the entirety of the graphical objects (10); a keyboard (4) linked to the computer and comprising function keys: navigation keys make it possible to move the focus upwards, downwards, to the right and to the left of the screen, a so-called activation key making it possible to select or activate the graphical object designated by the focus; a so-called cancel key making it possible to deselect or deactivate the graphical object selected by the focus.

Abstract: A device to input a special symbol in an apparatus having a touch screen includes a touch sensor to detect a user touch at a first position, a text input controller to switch from a general character input mode to a special symbol input mode if the user touch is maintained for at least a predetermined time, and a special symbol display unit to display a special symbol at the first position. A method for inputting a special symbol includes a touch detecting step of detecting the user touch at the first position, switching to the special symbol input mode if the user touch is maintained for at least a predetermined time, and displaying a special symbol at the first position in the special symbol input mode.

Abstract: A method for a portable apparatus includes detecting a movement of the portable apparatus, and determining that the movement is associated with a user input for retrieving a value of a status of the portable apparatus; determining a value of the status; and presenting the value to the user. Corresponding portable apparatuses and computer program product are also presented.

Abstract: An operating method of an optical displacement detecting device includes the steps of: capturing a plurality of images; obtaining a displacement according to the images; obtaining a characteristic variation of the images; and suppressing the output of the displacement when the characteristic variation matches a predetermined rule. The present invention further provides an optical displacement detecting device.

Abstract: Disclosed is a method for receiving playable media stored in a server by user equipment having a motion sensor and playing the media according to the motion of the user equipment. The method includes the steps of (a) designating a part of the media as a first receiving area by the server and transmitting it to the user equipment; (b) changing a playback area, in which the media are played, according to the motion of the user equipment and playing a part of the media; and (c) requesting by the user equipment that the server provide a second receiving area, which is a part of the media including the playback area, when the playback area is outside the first receiving area of the media, receiving the second receiving area, and playing the media. When media stored in the server are to be played initially, it is unnecessary to download the entire media, so that the user equipment can play the media more efficiently.

Abstract: An interactive content delivery system (10) includes means for displaying visual content (20) to a group of individuals (14), means for detecting a collective gesture (12) of the group, and a control system (26), coupled to the means for displaying visual content (20) and the means for detecting a collective gesture (12). The control system (26) is configured to modify the content in response to the collective gesture.

Abstract: The invention discloses a command control system including a light emitting unit, an image capturing unit, a storage unit, and a processing unit. The processing unit is coupled with the image capture unit and the storage unit. The light emitting unit emits light to form an illumination area. The image capture unit captures a plurality of pieces of image information in the illumination area. The storage unit stores different commands corresponding to the image information. The processing unit performs functions according to the commands corresponding to the image information.

Abstract: A laser scanning input device includes a horizontal scanning laser device, an image capturing device and a microprocessor, and uses a laser beam to scan a target horizontally and the image capturing device to capture a reflected image reflected from a target. Besides, the laser scanning input device further calculate and obtain a coordinate of the target through the microprocessor and take it as corresponding input information. Therefore, the speed of obtaining the target coordinate can be increased, and a three dimensional profile information of the target corresponding to the target can further be obtained.

Abstract: An image generation system for generating an image on a display screen. The image generation system includes an eye-tracking system capable of determining a user's eye orientation and outputting a signal indicative of same. The image generation system also includes a bio-feedback sensor capable of detecting activity of one or more physiological functions of the user and outputting a signal indicative of the level of activity. A processor is included and is adapted to receive and process the output signals from the eye-tracking system and bio-feedback sensor. The processor determines an image to be generated on the display screen indicative of the signals from the eye-tracking system and bio-feedback sensor.

Abstract: The invention provides an illumination device, method for fabricating the same, and system for displaying images utilizing the same. The illumination device includes a substrate, a first electrode, an illumination layer, and a second electrode. The substrate has a plurality of illumination regions. The first electrode overlies the substrate and has a first bump disposed in a first illumination region of the plurality of the illumination regions. The illumination layer overlies the first electrode. The second electrode overlies the illumination layer.

Abstract: Apparatuses and methods to sense proximity and to detect light. In one embodiment, an apparatus includes an emitter of electromagnetic radiation and a detector of electromagnetic radiation; the detector has a sensor to detect electromagnetic radiation from the emitter when sensing proximity, and to detect electromagnetic radiation from a source other than the emitter when sensing visible light. The emitter may be disabled at least temporarily to allow the detector to detect electromagnetic radiation from a source other than the emitter, such as ambient light. In one implementation, the ambient light is measured by measuring infrared wavelengths. Also, a fence having a non-IR transmissive material disposed between the emitter and the detector to remove electromagnetic radiation emitted by the emitter. Other apparatuses and methods and data processing systems and machine readable media are also described.

Abstract: Computer input devices include a detector adapted to detect relative movement of an input member in x-, y-, and z-dimensions relative to a base point in a base plane, and a controller adapted to send a signal to an associated computing device based at least in part on the relative movement of the input member. Associated computing devices, software, and methods are also disclosed.

Abstract: An apparatus for remotely operating a computer using a combination of voice commands and finger movements. The apparatus includes a microphone and a plurality of control elements in the form of touch-sensitive touchpads and/or motion-sensitive elements that are used to operate the computer and to move an on-screen cursor. At least one touchpad is used to selectively switch between a command-mode of operation in which the computer interprets spoken words as commands for operating the computer and any software applications being used, and a text-mode of operation in which the computer interprets spoken words literally as text to be inserted into a software application. The apparatus is ergonomically designed to enable it to be easily worn and to enable a user to operate a computer from a standing, sitting or reclining position.

Abstract: In an aspect, an electronic device includes a housing; a manipulandum positioned in the housing, wherein the manipulandum is moveable in at least one rotary degree of freedom in response to a user moving the manipulandum; a sensor coupled to the manipulandum, the sensor outputs sensor signals associated with the movement of the manipulandum in the at least one rotary degree of freedom by the user's direct contact; a processor coupled to the sensor and configured to output one or more activating signals based on the sensor signals; a first actuator coupled to the manipulandum, wherein the first actuator outputs a contact force to the manipulandum upon receiving a first activating signal; and a second actuator positioned within the housing and separate from the first actuator, wherein the second actuator outputs an inertial force to the housing upon receiving a second activating signal.

Abstract: A mouse having a marking function is provided. The mouse includes a first button, a second button, and a marking function triggering button. A mouse driver including a marking program is installed in the computer host. When the marking function triggering button is depressed, the marking program is activated. In response to a first button signal and a second button signal generated from the first button and the second button, various marking functions of the marking program are implemented.

Abstract: An optical navigation device with a phase grating for beam steering. The optical navigation device includes a light source, and image sensor, and a beam steering element. The light source directs a light beam toward a navigation surface. The image sensor receives light along an imaging path and generates a navigation image of the navigation surface from the light received along the imaging path. The beam steering element is disposed between the navigation surface and the image sensor. The beam steering element receives reflected light from the navigation surface along a specular reflection path. The beam steering element directs a first portion of the reflected light along the imaging path toward the image sensor. The beam steering element directs a second portion of the reflected light along a beam steering path away from the imaging path.

Abstract: An optical input device includes a first body, a second body and a processing unit. The first body is moved on a surface. The second body performs relative motion with respect to the first body. The processing unit obtains a displacement of the first body on the surface and a relative variation between the second body and the first body, controls at least one cursor according to the displacement, and controls the update of an image display according to the relative variation. The present invention further provides an operating method of an optical input device and an image system.

Abstract: An apparatus for reducing battery power consumption of a portable terminal are provided. The apparatus and the method uses information surrounding a mouse function as a value of a light sensor to adjust an LCD brightness. The apparatus includes a sensor part for determining first sensing information for determining whether a function using ambient brightness information operates, and second sensing information for determining the ambient brightness; wherein an adjustment to a screen brightness of the portable terminal is made using the second sensing information when the first sensing information is not operative.

Abstract: The one-handed computer interface device is a computer input device that allows the user to input a full range of computer commands using only one hand. The one-handed computer interface device includes a housing having opposed upper and lower surfaces and at least one side surface. The upper surface of the housing is divided into a plurality of finger regions, with each finger region being adapted for receiving one of the user's fingers. Similarly, a thumb region is further defined on the at least one side surface, with the thumb region being adapted for receiving the user's thumb. A plurality of sets of finger tip sensors and a set of thumb tip sensors are respectively positioned within each finger region and the thumb region. In use, actuation of one of the finger tip and thumb tip sensors generates a command signal corresponding to actuation of a computer key.

Abstract: A system and method is introduced for using a physical keyboard with a computing device that has a display which may be a touch sensitive display. In the preferred embodiment the keyboard may be situated on top of the display covering part of the display or rotated behind the display allowing the entire display to be used. When the keyboard is placed over part the display the computing device automatically resizes the displayed information according to the visible part of the display and when the keyboard is rotated to the back of the device the computing device resizes the displayed information to make use of the entire display. The preferred embodiment provides a natural intuitive way to use a physical keyboard with a touch screen device in a similar manner to the operation of virtual keyboards on such devices.

Abstract: A touch panel includes a plurality of active pixel sensors arranged in an array to sense a touch event. Each sensor element includes a photo-sensing element coupled to a single amplifier. The sensor element is arranged to provide a sensing voltage indicative of a light level received by the photo-sensor in a sensing period. The sensing voltage is amplified by the amplifier into an output voltage in the sensing period. Following the sensing period, the output voltage and the sensing voltage are reset to a predetermined voltage level. Following the reset period, the photo-sensor as well as the amplifier is disabled for a period so that the sensing level is caused to drop below the predetermined voltage level.

Abstract: The invention relates to a signal detecting apparatus comprising at least one first transistor, a second transistor and at least one switch. At least one first transistor is used for generating at least one first adjusting current according to an input signal and a power provided by a voltage source. At least one switch coupled to the voltage source and at least one first transistor is used for controlling at least one first transistor to generate at least one first adjusting current according to at least one control signal. The second transistor coupled to at least one first transistor and a ground generates a second adjusting current according to the input signal. Wherein the signal detecting apparatus generates an output signal according to at least one first adjusting signal and the second adjusting signal.

Abstract: A structural improvement to a touch panel is provided. comprising a substrate, and a first induction layer and a second induction layer are disposed on different surfaces of the substrate. said induction layers have a plurality of induction lines respectively. Each of the induction lines have a plurality of first induction blocks and second induction blocks having a same area respectively. said induction blocks are connected by first connection sections and second connection sections respectively. The first induction lines and the second induction lines are arranged alternately. said connection sections have a same area, and are in an overlapped area. Thereby, a blank area of the induction layers are reduced, and an induction area inside the touch panel is increased, so as to lower an optical contrast. Moreover, the connection sections have a capacity effect generating a same capacitance value, which prevents error determination or inaccuracy in touch control.

Abstract: A touch-control module for recognizing gesture inputs by a position sensitive device to an electronic device is disclosed. The touch-control module includes an input connected to the position sensitive device for receiving at least one sensing signal generated by the position sensitive device when one or more objects touch a surface thereof; a touch state unit for detecting the sensing signal and determining a touch state of the object(s), such as approaching to or lifting off the position sensitive device; a position and multi-gesture processing unit for analyzing the sensing signal to determine a touch position of the object(s) on the position sensitive device, and tracking the touch state and touch position to determine a corresponding motion factor; and an output connected to the electronic device for outputting the touch state and touch position as well as information corresponding to a motion factor whenever the motion factor is determined.

Abstract: The present invention discloses a space-bound-free tablet and its coordinate determining circuit for determining a coordinate of a stylus pen. The coordinate is computed by the coordinate determining circuit in which first voltage, a second voltage, and a third voltage is obtained, where the first voltage equals the maximum detection voltage, the second voltage and third voltage are obtained from two antennas, and both of the two antennas are at the same side of the antenna that induces the maximum detection voltage.

Abstract: A method and an apparatus for preventing on-screen keys from being accidentally touched and a recording medium using the same are provided. In the present method, when a mobile device enters a communication mode, a user interface of the communication mode, which comprises at least one on-screen key, is displayed on a touch screen of the mobile device. Meanwhile, a protective mask is displayed on the touch screen to cover the on-screen key, and a function corresponding to the on-screen key covered by the protective mask is disabled. Accordingly, users can avoid accidentally touching the on-screen keys to make the mobile device perform false actions when speaking on the phone.

Abstract: A tactile interface device and a method of controlling the same are disclosed. The tactile interface device can include a touchscreen, which has a slope formed in one surface, a driver, which vibrates the touchscreen in a horizontal direction such that the tactile feel at the surface of the touchscreen is changed, and a controller, which controls the operating frequency of the driver. The tactile interface device in accordance with an embodiment of the present invention can vibrate the touchscreen in a direction parallel to a surface of the touchscreen, providing the user with a sensation that the tactile feel changes at the portion that the user touches.

Abstract: The present invention relates to a system for processing a signal from an electric device, e.g. a touch sensitive key. The system comprises a reference value for the signal, wherein said reference value is continuously updated, and an arithmetic unit for determining a difference value between the signal and the reference value, so that difference value corresponds with a change of the signal. The system comprises further a spectrum of the possible difference values, wherein said spectrum is subdivided into ranges corresponding with possible causations for the change of the signal in said system. Additionally, the system comprises a comparing unit for associating the difference value with the corresponding range of the spectrum and for identifying, if the difference value results from a disturbance or from a relevant change in the electric device. Further, the present invention relates to a corresponding method.

Abstract: The electronic device may input erroneous data or its data input efficiency may be lowered. The electronic device includes: input means for inputting input information to the electronic device; insertion/extraction detection means for detecting an insertion/extraction state of a member detachable from the electronic device, into/from the electronic device; control means for generating display data according to the insertion/extraction state and judging the input information according to the data; and display means for performing display based on the display data.

Abstract: The present invention relates to a mobile terminal and the method for generating embedded drawing data based on flash imagery, which is capable of generating a multimedia message or a flash image that is various, active and interesting, by connecting the movement so as to move the object which is designated according to the arbitrary drawn trace, while drawings or writings that are drawn with pen on the touch screen can be seen again. It has an effect in that it is able to deliver amusement and information by communicating between mobile terminals, by transmitting to other mobile terminals through a wire net and a wireless net, by sending or using e-mail, and by uploading to the internet board.

Abstract: The present invention relates to a character input device. The character input device includes a detection unit, an input tool and a control unit. The detection unit detects one or more input forms of vertical pressing horizontal pressing tilting pressing, contact, and contact movement. The input tool enables directional input corresponding to each input form detectable by the detection unit to be performed. The control unit generates a plurality of direction indication locations corresponding to directional inputs performed by the input tool, and extracts data, assigned to a direction indication location corresponding to detected directional input, from a memory unit and inputting the extracted data when directional input of the input tool corresponding to any one of the direction indication locations is detected by the detection unit.

Abstract: A touch panel display system and driving method thereof is provided. The touch panel display system includes a display device and a display circuit coupled to the display device for driving a display position of the display device. The system further includes a sensing device coupled to the display device for sensing an contact pressure, and a sensing circuit coupled to the sensing device for driving a sensing position of the sensing device. The system further includes a synchronous controller coupled to the display circuit and the sensing circuit for synchronously controlling the display circuit and the sensing circuit such that the display position and the sensing position are not overlapped and maintained beyond a predetermined distance.

Abstract: A mobile terminal includes a touch panel, and can be operated in a selection mode or a gesture mode. If a touch signal is inputted with the mobile terminal in the selection mode, the mobile terminal executes a selected command. If the touch signal is inputted with the mobile terminal in the gesture mode, the mobile terminal executes a command mapped to a pattern corresponding to the touch signal's inputted pattern. The mobile terminal may include a touch mode setting unit that sets the selection mode or gesture mode. The mobile terminal may identify whether the touch signal is a selection signal or a gesture signal based on the number of touch points. If only one point is touched, the touch signal may be considered a selection signal. If more than one point is touched, the touch signal may be considered a gesture signal.

Abstract: An in-cell touch-sensitive panel includes TFT and CF substrates. The TFT substrate includes a net-shaped readout circuit and conductive pads arranged in array manner. The net-shaped readout circuit includes widthwise and lengthwise readout lines. The widthwise readout lines are electrically connected to the lengthwise readout lines. The conductive pads are electrically connected to the net-shaped readout circuit. Spacers are adapted to keep a first gap between the TFT and CF substrates. Protrudent portions are arranged to be corresponding to the conductive pads, and there is a second gap between the protrudent portion and the conductive pad. A transparent electrode covers the spacers and the protrudent portion.

Abstract: The present invention relates to a mobile terminal having a detachable sub-display unit. A mobile terminal having a detachable sub-display unit includes a first body unit having a first display unit to a front surface of the first body unit. The invention also includes a second body unit having a second display unit to a front surface of the second body unit, wherein a magnet is formed on at least a portion of one side surface of the first body unit and at least a portion of one side surface of the second body unit, and the second body unit can be detachably coupled to the at least one side surface of the first body unit by the magnet.

Abstract: Aspects of the invention provide virtual hover zones. When a user lowers a hovering stylus while remaining within a hover zone, cursor control is modified to be more easily controllable by the user. If the user pauses the stylus in mid-air before lowering the stylus, and if the stylus remains within the hover zone, then upon touchdown the cursor may be moved to the projection of the location where the stylus was paused. Any action that may be taken in response to the touch down may be sent to the projection location as well. Also provided are cursor control zones. A dampening zone may be used to provide dampened cursor movement feedback in response to movement input provided by a pointing device. Also, a dead zone may be used to prohibit cursor movement in response to movement input provided by the pointing device.

Abstract: A method of performing timely calibration of a touch parameter for a capacitive touch panel is disclosed. The method includes storing the touch parameter into a control register, sensing an analog touch signal according to the touch parameter stored in the control register and transforming the analog touch signal into a digital touch signal, reading the digital touch signal according to a calibrating read command, calculating a modified touch parameter according to the digital touch signal and transmitting the modified touch parameter to the capacitive touch panel, changing the touch parameter stored in a control register for the modified touch parameter according to a calibrating write command, determining an optimal touch parameter according to the digital touch signal sensed by using the modified touch parameter, and changing the touch parameter stored in a storage unit for the optimal touch parameter according to an updating write command.

Abstract: A force/displacement touch device, this invention employs a base-plane 32 and flexible mounting material to suspend, or “float,” a non-rigidly mounted touch-plane 12, and uses sensors at each mounting point 22 to measure Z-axis deflection of the floating touch-plane 12. The system adapts existing planes in typical LCD assemblies to implement touch screens. This floating touch detection system provides an accurate, sensitive, compact and low-cost solution. It mitigates XY friction to improve detection of Z-forces. This approach provides latitude in locating sensors 34, allows for additional mid-plane sensors, enables greater accuracy and resolution, and adds features such as “multi-touch” sensitivity.

Abstract: In a touch panel, one of conductive layers on a bottom of an upper substrate and on a top of a lower substrate is formed of belt-shaped conductive layers. The other is a single conductive layer facing the belt-shaped conductive layers. The single conductive layer is provided with a pair of electrodes in positions corresponding to both ends in a direction where the belt-shaped conductive layers extend. When the upper substrate is pressed while a voltage is applied between the pair of electrodes, the top and lower conductive layers contact with each other. Then, a voltage value corresponding to the pressed position in the direction where the belt-shaped conductive layers extend is generated from any of the belt-shaped conductive layers. From the voltage value and the position of the belt-shaped conductive layer from which the voltage value is generated, a pressed position on the upper substrate can be detected.