Disclosed are a flat panel type image display device of a clear borderless design without a case defining an external appearance of an image display device, and a method for manufacturing the same. The flat panel type image display device includes an image display panel to display an image, a panel guide including a panel fixing portion, to which the image display panel is attached, and a guide frame formed in a dual coupling structure, the panel fixing portion being configured to move together with the guide frame in at least one direction of x, y, and z-axis directions, and a bottom case formed to cover an opened back surface of the panel guide comprising a back surface of the image display panel, the bottom case being fixed to an inner side surface of the panel guide.

A display device according to an exemplary embodiment of the present invention includes a substrate, a display panel disposed on the substrate, a sealing substrate which is disposed opposite to the display panel, and a sealing unit disposed between the substrate and the sealing substrate, enclosing the display panel. The sealing unit has a penetration hole which passes through the sealing unit in a vertical direction.

A pressing device for assembling a liquid crystal display panel is provided. The pressing device includes a base plate, a pressing plate, a first cushion and a second cushion. The pressing plate is disposed opposite to the base plate and adapted to move toward or away from the base plate. The first cushion is disposed between the base plate and the pressing plate. The second cushion is disposed between the pressing plate and the first cushion, wherein one of the first cushion and the second cushion has a hollow zone corresponding to a display area of the liquid crystal display panel. A method for assembling a liquid crystal display panel is further provided.

An organic light emitting display apparatus includes a pixel part including a pixel electrode, a light emitting layer and an opposite electrode, and a contact part in which the opposite electrode contacts a power line, wherein a first thickness of the opposite electrode in the pixel part is different from a second thickness of the opposite electrode in the contact part.

An organic EL display device of the invention includes: a first substrate; a second substrate disposed above the first substrate and having a display area and a non-display area; and a light-emitting layer disposed between the display area and the first substrate, wherein a first alignment mark having the light-emitting layer is disposed between the non-display area and the first substrate, and a second alignment mark is disposed on the second substrate at a position corresponding to the first alignment mark.

In a method for fabricating a lightweight and thin liquid crystal display (LCD), a first mother substrate, a subsidiary substrate and a thin second mother substrate are provided. An edge cut is formed by cutting edges of the first and second mother substrates and the subsidiary substrate to be inclined at a predetermined angle. An array process is performed on the first mother substrate. The subsidiary substrate is attached to the second mother substrate. A color filter process is performed on the second mother substrate having the subsidiary substrate attached thereto. The first and second mother substrates are attached together. The subsidiary substrate is separated from the first and second substrates by spraying air between the second mother substrate and the subsidiary substrate, in which the edge cut is formed.

Provided is an apparatus for manufacturing a deposition mask assembly for a flat panel display, which prevents a pattern from being distorted in a pattern mask when divided pattern masks are welded to a support fixture. An apparatus for manufacturing a deposition mask assembly for a flat panel display of the present description, which includes a frame mask forming an opening, a support fixture installed in the frame mask, and a pattern mask welded to the support fixture to have a pattern allowing a deposition material to be transmitted therethrough, includes: a welding head disposed in a side of the pattern mask; and a support member supporting the support fixture in an opposite side of the welding head with the pattern mask interposed therebetween.

An apparatus and a method of manufacturing a thin film semiconductor device having a thin film transistor with improved electrical properties in organic light-emitting display apparatus are described.

A three way catalyst includes an extruded solid body having by weight: 10-100% of at least one binder/matrix component; 5-90% of a zeolitic molecular sieve, a non-zeolitic molecular sieve or a mixture of any two or more thereof; and 0-80% optionally stabilised ceria. The catalyst also includes at least one precious metal and optionally at least one non-precious metal, wherein: (i) the at least one precious metal is carried in one or more coating layer(s) on the body surface; (ii) at least one metal is present throughout the body and at least one precious metal is carried in one or more coating layer(s) on a body surface; or (iii) at least one metal is present throughout the body, is present in a higher concentration at a body surface, and at least one precious metal is carried in one or more coating layer(s) on the body surface.

The invention relates to a method for cleaning exhaust gases, in which an exhaust gas and a sorbent are combined in a fluidized bed reactor. In a subsequent filter system, solid matter is segregated, and thereafter, up to 99 per cent of the sorbent is re-channeled into the fluidized bed reactor, wherein the gas is subjected to a rotation around the flow axis in the fluidized bed reactor.

An anesthesia workstation includes a sliding track system attached to the front of the anesthesia workstation for the mounting of one or more displays. The displays are horizontally slidable along the front of the anesthesia workstation along the sliding track. In addition, the sliding track system includes pivot points which enable outward pivoting of the displays up to 90 degrees. Sliding and pivoting of the displays is possible both independently and simultaneously. The sliding track system allows the anesthetist to slide and pivot the displays across the front of the workstation along the length of the track to the most preferable viewing position. Additional storage space is positioned within the anesthesia workstation behind the displays and becomes exposed and accessible when the displays are manipulated via the sliding track system.

A railway rail fastening apparatus has a baseplate for receiving a railway rail to be fastened thereto and baseplate securing elements for securing the baseplate to a baseplate seat area of a concrete railway foundation. The baseplate securing elements carry first and second fastening assemblies configured for location on the concrete rail foundation on opposite sides of the baseplate seat area. Each of the first and second fastening assemblies including fixing member having a first part that extends from the baseplate member for retention within the concrete rail foundation. Only the fixing member of one fastening assembly includes a screw-threaded fastener.

A rail seat includes a concrete rail tie; a pair of rail clip support shoulders cast in place in said rail tie each said shoulder having a rail face between its external sides; a pair of shoulder insulators each shaped to lie against the rail face of the rail shoulder; a pair of rail clips each having a base section adapted to seat within the rail clip support shoulder and a toe section adapted to seat on the rail base. The clip and toe insulator assembly is loaded on the shoulder in a vertical direction so that parts of the toe insulator seat within pockets in the shoulder that enable the clip and insulator assembly to move laterally towards the rail but not away from it and the clip base is aligned with the shoulder slot ready to enter it when the clip is moved laterally to the parked position which applies a small downward force to the clip toes and at this stage lie outside the limits of the rail base and finally the clip can be moved laterally into the installed position where the toe insulators sit on top of the rail base and securely hold it down.

The present disclosure provides a track switch cover system and method. The system and method allows for easy installation and removal of track switch covers as well as quick and easy access to the switch mechanism shrouded by the covers.

The present invention relates to a polyurethane ballast layer, the method for preparing the same and a railway comprising the polyurethane ballast layer. The polyurethane ballast layer provided in this invention comprises a polyurethane-filled ballast layer and a polyurethane external protective layer, wherein the polyurethane-filled ballast layer comprises ballasts and polyurethane foam filled in the space among the ballasts. The polyurethane ballast layer provided in this invention can reduce the probability of ballast crashing, shifting and cracking under heavy load, and separate the ballast track from the outside environment to prevent rain, snow and wastes from entering into the internal space of the ballast track bed. Furthermore, the polyurethane ballast layer can keep the polyurethane foam filled in the ballasts layer away from water in the outside environment to avoid hydrolysis. The polyurethane ballast layer presented in this invention can be used in the railway ballast track bed to extend the track bed maintenance cycle, and save maintenance cost significantly.

An electrical insulator for use with a rail fastening clip comprises a contact member providing on one side a substantially flat rail contact surface for contacting a foot of a rail and on the opposing side a clip contact surface for contacting a rail bearing surface of a bearing portion of the clip, the insulator also having retaining means for retaining the insulator on the clip in such a way as to allow rotation of the insulator about a longitudinal axis of the bearing portion of the clip. The insulator has stop portions for limiting such rotation about the longitudinal axis of the bearing portion of the clip to a desired extent. The clip contact surface of the insulator is convex, in a vertical plane which is perpendicular to the longitudinal axis of the bearing portion of the clip, such that, when the insulator is attached to a clip having a flat rail bearing surface, a contact region between the flat rail bearing surface of the clip and the clip contact surface of the insulator is linear. The insulator is rockable about the linear contact region within the extent defined by the stop portions such that, when the rail contact surface of the insulator contacts the surface of a rail foot, the angle of the rail contact surface can conform to the angle of the rail foot surface. A rail fastening clip, suitable for use with the insulator and of the kind driven onto a rail in a direction which is parallel to a longitudinal axis of the rail, has a bearing portion having a flat rail bearing surface, wherein a detent, extending laterally with respect to the longitudinal axis of the bearing portion, is formed in the flat rail bearing surface, at a location spaced from a free end of the bearing portion of the clip, for engaging a corresponding abutment surface of the insulator to be retained on the rail bearing portion of the clip.

A railway rail pad (1), for use beneath a railway rail in a rail fastening assembly as cushioning and/or electrical insulation, has first and second major faces (2, 3), the first face (2) having a rail seat portion (20) on which a foot of a railway rail sits when the pad (1) is in use, and side members (4A, 4B) attached to and extending from two opposite edges of the first face (2) of the pad (1). The side members (4A, 4B) are arranged so as to be located on respective opposite sides of the railway rail when the pad (1) is in use such that the rail seat portion (20) of the pad (1) lies between respective inwardly-facing wall faces (41A, 41B) of the said side members (4A, 4B). When the pad (1) is not under load and is placed so as to rest on a surface with the first face (2) of the pad (1) uppermost and part of the surface lying beneath the rail seat portion of the pad, an inclination angle (α1, α2) between the wall face (41A, 41B) of each side member (4A, 4B) and that part of the surface beneath the rail seat portion on which the pad (1) is resting is greater than 90°. When the pad is not under load, the first face is substantially convex in a vertical plane that is perpendicular to the longitudinal axis of the rail when the pad is in use.

In various embodiments an apparatus is presented for securing a structure such as a door, window, hatch, or gate that moves between an open and a closed position relative to a fixed structure to provide or deny access to a compartment, a room, an outdoor area, or a facility. Various embodiments provide a delay in opening the closure of sufficient duration to frustrate a rapid activation that might be desired by a person who is attempting to pass through the closure for some illicit purpose. Typically, hydraulics are used to activate the apparatus and no electrical energy or electronic signals are employed. In one embodiment, a plurality of actuations of a hand lever operates a hydraulic pump that moves a locking bolt from a first position in which a locking bolt is engaged with a recess in the fixed structure (preventing opening of a gate) to a second position in which the locking bolt is disengaged from the recess to permit opening of the gate.

A path display apparatus includes a first position command acquiring unit that acquires first position command for motors, a first position feedback acquiring unit that acquires first position feedback of each of the motors, a correction data acquiring unit that acquires correction data generated for each of the motors, a second position command calculating unit that subtracts the correction data from the first position command to calculate a second position command, a second position feedback calculating unit that subtracts the correction data from the first position feedback to calculate second position feedback, a command path display unit that displays a command path of the tip point of the tool, based on the second position command; and a feedback path display unit that displays a feedback path of the tip point of the tool, based on the second position feedback.

A machine-implemented display method that, with respect to a volume dataset being rendered, enables a user to navigate to any position in space and look in any direction. Preferably, the volume dataset is derived from a computer tomography (CT) or magnetic resonance imaging (MRI) scan. With the described approach, the user can see details within the dataset that are not available using conventional visualization approaches. The freedom-of-motion capability allows the user to go to places (positions) within the volume rendering that are not otherwise possible using conventional “orbit” and “zoom” display techniques. Thus, for example, using the described approach, the display image enables a user to travel inside physical structures (e.g., a patient's heart, brain, arteries, and the like).

An X-ray arrangement is suitable to record absorption, phase contrast, and dark field images of an object. The visibility of low absorbing specimens is improved and required radiation dose is reduced. The assembly includes an X-ray source; two or more gratings; a position-sensitive detector with spatially modulated detection sensitivity; a recorder for recording the images; an evaluator for evaluating the intensities for each pixel to identify the characteristic of the object for each individual pixel as an absorption and/or a differential phase contrast and/or an x-ray scattering dominated pixel. Images are collected by rotating from 0 to n or 2n either the sample or the assembly. The gratings are produced with planar geometry. The X-rays pass through the gratings parallel to the substrate. The grating structures extend along the X-ray path which determines the phase shift. The attenuation of the X-rays caused by the grating structures is no longer given by the thickness, but by the length of the grating structures.

An X-ray photography apparatus including: a turning arm that supports an X-ray generator and an X-ray detector which are opposed to each other so that the head of a patient can be interposed therebetween, and a moving mechanism that includes a turning part and a moving part. The turning part turns the turning arm about a turning axis with respect to the head. The moving part moves the turning arm relative to the head in a direction perpendicular to the turning axis. The X-ray photography apparatus also includes: an image processor that generates an X-ray image, a photographic region designation part that designates part of a row of teeth along a dental arch as a pseudo intraoral radiography region, and an X-ray forming mechanism that changes the irradiation direction in which the head is irradiated with an X-ray relative to the axial direction of the body axis of the patient.

An X-ray photography apparatus including: a turning arm that supports an X-ray generator and an X-ray detector while the X-ray generator and the X-ray detector are opposed to each other so that a head of a patient can be interposed therebetween; and a moving mechanism that turns the turning arm about a turning axis with respect to the head and moves the turning arm in a direction perpendicular to the turning axis with respect to the head. The X-ray photography apparatus further includes: an image processor that generates an X-ray image based on an electric signal output from the X-ray detector; and a photographic region designation receiving part that designates part of a row of teeth along a dental arch as a pseudo intraoral radiography region. The image processor generates plural tomographic images by applying convolution and filtered back projection to X-ray image data obtained by pseudo intraoral radiography.

A Compton radiation detection device for determining of Compton radiation of iron, includes a sensor and a filter arrangement. The filter arrangement is adapted such that the radiation emitted by a test object due to Compton scattering passes a nickel layer and an iron layer before being detected by the sensor. A dispersive ionization chamber includes an ionization chamber having a plurality off ionization volumes and a window. Each ionization volume includes an electrode. Radiation can enter through the window. The ionization volumes are arranged in a beam propagation direction behind each other. Radiation having lower energy is statistically absorbed in ionization volumes located more proximal to the window. Radiation having higher energy is statistically absorbed in the ionization volumes located more distal from the window.

A variable mode X-ray transmission system is provided that can be operated in low or high dose rate modes depending upon the area or portion of the vehicle to be screened. In one embodiment, variable dose rate is achieved by use of a novel collimator. The systems disclosed in this application enable the scanning of a vehicle cab portion (occupied by people, such as a driver) at low dose rate, which is safe for human beings, while allowing the scanning of the cargo portion (unoccupied by people) at a high dose rate. Rapid switching from low dose rate to high dose rate operating mode is provided, while striking a balance between high material penetration for cargo portion and low intensity exposure that is safe for occupants in the cab portion of the inspected vehicle.

A method and apparatus for inspecting an object. A radiation generation system is configured to emit radiation. A detector system is configured to detect backscatter formed in response to the radiation encountering the object. A redirection system is positioned relative to the detector system and is configured to redirect the backscatter to the detector system.

Dual-energy backscatter x-ray shoe scanning including: pre-processing input image information received from a shoe scanning device and image calibration data received from a database to output an atomic number image; detecting at least one suspect region based off the atomic number image; identifying the at least one detected suspect region as an object class using a changeable list of attributes; and classifying the object class according to a changeable list of categories.

A power converter is configured to include an inverter which converts a DC output into an AC voltage of a predetermined frequency, and a high voltage generator which receives an output from output terminals of the inverter and boosts the output to a desired high DC voltage. The high voltage generator includes a transformer, and the primary windings of the transformer are connected to the output terminals of the inverter in parallel by conductive wires connected to both ends of each primary winding. Further, a current sensor is provided to detect a current flowing through each of the primary windings, and a control unit determines abnormalities of a path of the inverter and the primary windings on the basis of a value of the current sensor.

The present invention provides a transmission type X-ray tube and a reflection type X-ray tube. The transmission type X-ray tube comprises a target and a filter material. The target has at least one element which produces X-rays as being excited. The X-rays comprise characteristic Kα and Kβ emission energies of the element for producing images of an object impinged by the X-rays. The filter material through which the X-rays pass has a k-edge absorption energy that is higher than the Kα emission energies and is lower than the Kβ emission energies. The thickness of the filter material is at least 10 microns and less than 3 millimeters.

One embodiment of the present disclosure is directed to a mobile X-ray unit. The mobile X-ray unit may include a base and an arm associated with the base. The arm may be configured to support an X-ray applicator having an X-ray tube. The X-ray tube may be configured to generate an X-ray beam. The X-ray applicator may include an exit surface through which the X-ray beam passes in use. The X-ray unit may further include an applicator cap for covering at least the exit surface of the X-ray applicator.

An adjusting method of an X-ray apparatus has a reflection structure, wherein assuming that one end plane of the reflection structure is an inlet port of the X-ray and the other end plane is an outlet port of the X-ray, a pitch of the reflection substrates at the outlet port is wider than that at the inlet port. When the X-ray source exists at a position where a glancing angle at the time when the X-ray enters the inlet port exceeds a critical angle, an intensity of the X-ray emitted from each passage is detected. On the basis of the detected X-ray intensity, a relative position of the X-ray source and the reflection structure is adjusted.

A method for producing an X-ray projection image of a body region of a patient using a desired spatial location of a central ray, includes positioning a pointing element relative to the patient indicating a location of a pointing line and causing the location of the pointing line to coincide with the desired central ray location. A pointing line location and a central ray location currently set on an X-ray machine are recorded. A measure for deviation between the pointing line and the currently set central ray location is determined and used to set the desired central ray location. A medical apparatus includes an X-ray machine taking an X-ray projection image along a central ray, a pointing element indicating a pointing line, an acquisition unit detecting the pointing line location and the currently set central ray location, and a control and evaluation unit implementing software carrying out the method.

A method is disclosed for energy calibrating quantum-counting x-ray detectors in an x-ray installation including at least two x-ray systems turnable around a center of rotation. A target, for producing x-ray fluorescence radiation, is positioned between the first x-ray source and first x-ray detector and irradiated with x-radiation of the first x-ray source in such a way that x-ray fluorescence radiation which strikes the second x-ray detector from the target is produced by the x-radiation of the first x-ray source. The second x-ray detector is then energy calibrated by way of the x-ray fluorescence radiation of the target. The first x-ray detector can be energy calibrated in the same way with the aid of the x-radiation of the second x-ray source. With the proposed method, the x-ray detectors of a dual-source CT x-ray installation can be calibrated with little expenditure under conditions close to those of the system.

To provide an X-ray imaging apparatus capable of easily adjusting the sensitivity or capable of easily extracting the amount of refraction of X-rays. An X-ray imaging apparatus irradiating an object to be measured with an X-ray beam from an X-ray source that generates X-rays of a first energy and X-rays of a second energy different from the first energy to measure an image of the object to be measured includes an attenuator and a detector. The attenuator attenuates the X-ray beam transmitted through the object to be measured and is configured so as to vary the amount of attenuation of the X-rays depending on a position on which the X-ray beam is incident. The detector detects the X-ray beam transmitted through the attenuator and is configured so as to detect the X-rays of the first energy and the second energy.

The present disclosure relates to an electric field emission x-ray tube apparatus equipped with a built-in getter, and more particularly, to an electric field emission x-ray tube apparatus equipped with a built-in getter that makes it possible to reduce the size of an x-ray tube by forming a stacked structure, with electric insulation and predetermined gaps maintained for each electrode, by manufacturing an x-ray tube having a stacked structure by inserting insulating spacers (for example, ceramic) between an exhausting port, a cathode, a gate, a focusing electrode, and an anode and bonding them with an adhesive substance, and then inserting a spacer between a field emitter on a cathode substrate and a gate hole connected with a gate electrode.

The invention relates to an X-ray device comprising an x-ray sensitive camera for creating tomograms, especially panoramic tomograms. Means for creating 3D shots of a partial volume of the mandibular arch are also provided, said 3D shots being created especially by a second image receiver for creating a 2D shot and means for taking a plurality of 2D shots from different directions and creating a 3D shot therefrom, preferably according to conebeam technology with the associated reconstruction algorithms. The x-ray sensitive camera comprises a first x-ray sensitive image receiver for creating a tomogram, and a second x-ray sensitive image receiver for creating plane shots.

An image display apparatus includes a communication unit to communicate with information processing apparatuses; an image synthesizing unit to synthesize a multi-segmented screen image composed of screen images of the information processing apparatuses; a projection unit to project the multi-segmented screen image onto a screen; a functional mode management unit to control switching between a normal projection mode and a multi-segmented screen operation mode; an image capture device to capture the multi-segmented screen image and a hand movement of an operator when switched to the multi-segmented screen operation mode; a designated screen image recognition unit to detect a hand movement of the operator based on the image captured by the image capture device, and to recognize a screen image designated as an active-target image; and a signal control unit to transmit a request of image data transmission to an information processing apparatus corresponding to the designated active-target image.

An image processing apparatus includes a system managing unit configured to manage an apparatus status of apparatus hardware; an acquiring unit configured to acquire application status information of an application from the application and apparatus status information from the system managing unit; an input unit configured to accept a display request for displaying a status monitor screen indicating an overall system status; a screen generating unit configured to receive the display request and generate the status monitor screen based on the application status information and the apparatus status information acquired by the acquiring unit, the status monitor screen including an application status display and an apparatus status display; and a display unit configured to display the status monitor screen generated by the screen generating unit.

A display apparatus includes a display section, a display control section, a distance detection section, and a coordinate detection section. The display section has a display area in which a selection image is displayed. When the selection image is formed by a plurality of images hierarchically associated with one another, the display control section displays consecutively the images configuring the selection image in accordance with the hierarchical association. The distance detection section detects a spatial distance between a pointer and the display area. The coordinate detection section detects coordinates which correspond to a position of the pointer. The display control section displays, together with a specified image displayed at a position corresponding to the coordinates detected by the coordinate detection section, related images in an immediately lower level in the hierarchy associated with the specified image, when the spatial distance detected is shorter than a preset threshold distance.

A display apparatus includes a first substrate, a second substrate facing the first substrate, and a plurality of pixels including a first pixel. The first substrate includes first openings through which a light is transmitted. The pixels are disposed on at least one of the first substrate and the second substrate. The first pixel includes a first flexible electrode, a second flexible electrode, and a shutter including second openings and disposed between the first and second flexible electrodes. The first flexible electrode receives a first voltage. The second flexible electrode receives a second voltage different from the first voltage. The shutter receives a third voltage. The shutter moves to the first flexible electrode or the second flexible electrode according to a level of the third voltage, thereby controlling the position of the second openings relative to the first openings to control the transmission of the light.

The adjustable headset is an all in one device that includes an adjustable support band, a display system, a first and second ear cover, a computer system, a communications system, and a power source. The adjustable support band connects to each ear cover, with the ear covers being adjacent to a user's ears. The display system uses binary screens to create the experience of looking at large screens by taking up most of a user's field of view. The display system is attached to the ear covers by adjustable screen bars, which allow a user to change the general orientation of the display system. The computer system is capable of storing and running software programs and interfacing with connected devices by means of a set of connection ports or the communications system. The virtual goggles can adjust to meet individual comfort needs and interface with a variety of technologies.

A user may couple an external display to an electronic device using a communications path. Extended display identification data or other information on the capabilities of the external display may be provided to the electronic device over the communications path. The extended display identification data may include a list of timing elements including display parameters such as a horizontal active pixel count, a vertical active pixel count, and a pixel clock. The electronic device may tag the timing elements with their type and may flag certain timing elements as being native to the display. A scoring function may then be used to rate each timing element. A scored list of timing elements may be sorted by score. The sorted scored list may be filtered to remove inappropriate timing elements. The electronic device may automatically use a selected one of the filtered timing elements in displaying information on the external display.

A display device of which frame can be narrowed and of which display characteristics are excellent is provided. In a display device including a switch portion or a buffer portion, a logic circuit portion, and a pixel portion, the pixel portion includes a first inverted staggered TFT and a pixel electrode which is connected to a wiring of the first inverted staggered TFT, the switch portion or the buffer portion includes a second inverted staggered TFT in which a first insulating layer, a semiconductor layer, and a second insulating layer are interposed between a first gate electrode and a second gate electrode, the logic circuit portion includes an inverter circuit including a third inverted staggered thin film transistor and a fourth inverted staggered thin film transistor, and the first to the fourth inverted staggered thin film transistors have the same polarity. The inverter circuit may be an EDMOS circuit.

Embodiments of the present invention disclose a method for adjusting soft keyboard layout. The method includes: displaying an option for adjusting a soft keyboard layout; receiving information that a user selects the option for adjusting the soft keyboard layout, and after receiving the information that the user selects the option for adjusting the soft keyboard layout, displaying a soft keyboard adjustment interface on a touch screen, and receiving an adjustment scheme input by the user; and modifying the soft keyboard layout according to the adjustment scheme. In this way, a requirement of a user for adjusting a keyboard according to personal preference is satisfied.

An adjusting method includes steps of providing a display apparatus, transforming a first value in a first color space of a color displayed by the display apparatus into a second value in a second color space, adjusting the second value to a third value in the second color space, and transforming the third value into a fourth value in the first color space. By adjusting the second value to the third value in the second color space intuitively, the present invention achieves the advantages of providing an intuitive operation, simplifying the adjustment, saving time and enhancing the user experiences.

A display device includes: a pixel area comprising pixels in rows and columns; main power lines at a first side of the pixel area and a second side of the pixel area facing the first side; first sub-power lines coupled to a first main power line of the main power lines formed at the first side and extending into the pixel area in a column direction; and second sub-power lines coupled to a second main power line of the main power lines formed at the second side and extending into the pixel area in the column direction, wherein the first sub-power lines and the second sub-power lines extend in different columns of pixels, and wherein a column of pixels of the pixels are alternatingly coupled to a neighboring sub-power line of the first sub-power lines and a neighboring sub-power line of the second sub-power lines.

In a first subframe period, light sources of a first region and a third region emit lights at the same time; light sources of a second region and a fourth region emit no light at the same time, in which light emission of different colors is performed in the first region and the third region. In a second subframe period, light sources of the second region and the fourth region emit lights at the same time; light sources of the first region and the third region emit no light at the same time, in which light emission of different colors is performed in the second region and the fourth region. The first region and the third region are separated from each other with the second region interposed therebetween; and the second region and the fourth region are separated from each other with the third region interposed therebetween.

An object is to provide a convenient display device which consumes sufficiently small amount of power and a method for driving such a display device. The display device can be in an off state with a still image displayed in a still image display mode in which a pixel electrode and a common electrode which are for applying a voltage to the display element are brought into a floating state so that a voltage applied to the display element is held, and a still image is displayed without further supply of a potential. The display device is put to an off state with a desired image displayed in the still image display mode, whereby the display device can have a higher level of security and can be more convenient.

An organic light emitting display device includes: a scan driver; a data driver; a display unit including pixels located at crossing regions of scan lines and data lines; first power lines coupled between a first power supply and the pixels; at least one second power line located outside the display unit and coupled to a second power supply having a voltage different from a voltage of the first power supply; at least one third power line coupled to a third power supply having a voltage different from the voltage of the first power supply; and fourth power lines coupled to the pixels, wherein the pixels are charged with voltages corresponding to the data signals and the third power supply and are configured to control the amount of current flowing from the first power supply in response to the voltages charges in the pixels.

In a pulse output circuit in a shift register, a power source line which is connected to a transistor in an output portion connected to a pulse output circuit at the next stage is set to a low-potential drive voltage, and a power source line which is connected to a transistor in an output portion connected to a scan signal line is set to a variable potential drive voltage. The variable potential drive voltage is the low-potential drive voltage in a normal mode, and can be either a high-potential drive voltage or the low-potential drive voltage in a bath mode. In the batch mode, display scan signals can be output to a plurality of scan signal lines at the same timing in a batch.