Abstract: An antenna device includes an antenna member having a plate, a conductor member disposed on one side of the plate, and another conductor member disposed on the other side of the plate, the plate includes one or more orifices and one or more apertures, and a coupler includes one or more positive electrodes and one or more negative electrodes engaged through the orifices and the apertures of the antenna member and electrically coupled to the conductor members respectively. A housing includes a chamber for receiving the plate of the antenna member, and a cylindrical member having a bore for receiving the coupler. The housing includes two housing members having a chamber for receiving the plate.

Abstract: A mobile phone includes a body and an antenna array that is coupled to the body.

Abstract: The present invention relates to a satellite tracking antenna system and a satellite tracking method. Step tracking in which the size of a satellite signal sampled in at least one position in which a reflector of the satellite tracking antenna system is tilted is compared to track a satellite is performed, and a measured value of the satellite signal sampled in a specific position in which the reflector is tilted in N?1th tracking and a measured value of the satellite signal sampled in the specific position in which the reflector is tilted in Nth tracking are averaged to compute a value. The reflector is driven according to the value to track the satellite, thereby minimizing a satellite tracking error caused by a sudden movement of a mobile body equipped with the satellite tracking antenna system.

Abstract: A pick-up horn for absorbing radiation emitted by a transmit antenna is provided. The pick-up horn includes at least one outer metal wall forming a metal body and at least one interior surface disposed in the metal body, forming at least one chamber in the metal body. The pick-up horn further includes a front metal surface disposed at a front end of the metal body, having at least one opening corresponding to the at least one chamber, and at least one high-power absorbing load disposed within the at least one chamber and in contact with the at least one interior surface. The pick-up horn may further include a serpentine coolant path disposed within the metal body between an outer surface of the at least one outer metal wall and the at least one high-power absorbing load.

Abstract: The present invention provides a method and an apparatus for forming an antenna beam from an array antenna having a rear facing side, an aperture, and including a first and a second radiating element. The method comprises injecting a synchronization signal wirelessly from a common source at the rear facing side of the array antenna to provide an initial calibration of the array antenna that synchronizes phase of an output signal from the first and second radiating elements to the common source. The method further comprises compensating a change in phase of the synchronization signal at the first radiating element based on a spatial displacement to synchronize phase of a first portion of the output signal from the first radiating element to the phase of the synchronization signal at the second radiating element in response to the spatial displacement of the first radiating element after the initial calibration of the antenna array.

Abstract: The biconical loop antenna is the dual and compliment to the biconical dipole antenna, and has broadband omnidirectional horizontally polarized radiation. The antenna includes a conductive antenna body having first and second opposing ends with a medial portion therebetween. The antenna body has a slot extending from at least adjacent the first end to at least adjacent the second end, and the medial portion of the antenna body is wider than the opposing ends. First and second body portions may be conical antenna elements connected together at their respective bases. Antenna feed points are at the medial and chine portion of the antenna body adjacent the slot.

Abstract: A waterproof mechanism for a satellite antenna is to separate a waterproof cover of the known technology into two components of a fixing cover and a thin wall cap used for compressing an O-ring, cause the thin wall cap and the O-ring to be combined closely and stably on the upper end of a wave-guide tube, and enable the stability and the strength of the entirety to be increased. But, the thin wall cap is unnecessary to have a same thickness as the fixing cover. Therefore, the thickness of the thin wall cap can approximately be reduced to 3 mm. This can increase broadly the passing rate of satellite signal and allow a low noise block with integrated feed (LNBF) to have a better satellite signal receiving effect.

Abstract: A liquid crystal display device (100) includes mean value computing sections (9a, 9b) and an optical intensity regulation section (11). The mean value computing section (9a) outputs a mean luminance level (A1) for the pixels forming an image display produced in a driver seat display area (2). The mean value computing section (9b) outputs a mean luminance level (A2) for the pixels forming an image display produced in a front passenger seat display area (3). The optical intensity regulation section (11) controls (regulates) the output optical intensity of backlights (4a, 4b) according to the mean luminance level (A1) and the mean luminance level (A2). As a result, the luminance of the image display in the front passenger seat display area (3) is further limited than the luminance of the image display in the driver seat display area (2). The control ensures high visibility of image displays for the driver.

Abstract: According to one embodiment, an information-processing apparatus according to the present invention has a main unit, a display unit and a latch. The main unit has a holding part. The latch is provided on the display unit and has a latch part, wires, and first connectors. The wires are embedded in the latch part. The holding part has second connectors. The second connectors are connected to the first connectors when the holding part holds the latch.

Abstract: A method for displaying images on multiple monitors with different refresh rates is disclosed. To prevent screen tearing, the surface containing image data is not released when the access by the master monitor is completed until the slave monitor or monitors finish access. To synchronize images with a predefined playback speed, the surface containing a new image received from the application is not flipped onto the screens until receiving a predefined synchronization indicator.

Abstract: A display system is described having a plurality of display units, wherein each of the display units is movable between at least a first position and a second position, and wherein each display unit is provided with at least a first light emitting element. Each display unit may be configured to be rotatable about an axis thereof, such that the first position is defined as a first angular position of rotation about the axis, and the second position is defined as a second angular position of rotation about the axis.

Abstract: A plasma display apparatus and a method of driving a plasma display panel are disclosed. The plasma display apparatus includes a plasma display panel including a first electrode and a second electrode, and an integrated sustain driver. The integrated sustain driver supplies a sustain signal of a positive polarity and a sustain signal of a negative polarity to the first electrode during a sustain period. Two light emissions occur during at least one period of a supply period of the sustain signal of the positive polarity or a supply period of the sustain signal of the negative polarity.

Abstract: A plasma display apparatus and a method of driving the same are disclosed. The plasma display apparatus includes a first driver and a second driver. The first driver supplies the last scan signal to a first electrode, and supplies a first sustain signal and a third sustain signal to the first electrode after a first period. The second driver supplies a second sustain signal to a second electrode between a supply end time point of the first sustain signal and a supply start time point of the third sustain signal. A duration of the first period is more than a duration of a second period ranging from a supply end time point of the second sustain signal to the supply start time point of the third sustain signal.

Abstract: A video signal distribution system contains a video stream source (10) that produces a data stream with an encrypted video signal, control word information for decrypting the video signal and fee information indicative of fees for viewing respective parts of the video signal. A plurality of video reproduction apparatuses (12) are coupled to a medium (14) to receive the data stream. Each of the video reproduction apparatuses (12) comprises a control word derivation unit (125) for supplying control words derived from the control word information to a video signal decryption device (121). A credit management unit with a credit memory (128) is provided, which enables or disables supply the control words, when the credit memory (128) indicates the availability of more than a threshold amount of credit, and reduces the amount of credit in the credit memory (128) according to the fee information for the part of the video signal for the decoding of which the control words are supplied.

Abstract: A potential which is applied to a gate electrode of a driving transistor in accordance with an emission state or a non-emission state of a light-emitting element fluctuates due to noise or leakage from a selection transistor, or the like, which causes a problem in that the driving transistor cannot turn on or off normally and malfunctions. The present invention includes a transistor connected to a light-emitting element, a power source line, a scan line, a memory circuit, and a switching circuit, in which the transistor controls light emission or non light emission of the light-emitting element, and the switching circuit controlled by the scan line conducts switching between the transistor, and the memory circuit and the power source line, and applies an input potential to the transistor.

Abstract: A current driving circuit includes: a reference input terminal to which a first reference current is given; a current mirror circuit for receiving the first reference current and outputting a first internal current corresponding to the first reference current; a bias voltage generation section for receiving the first internal current and generating a bias voltage corresponding to the first internal current; an output reference current generation section for receiving the bias voltage and generating a second reference current corresponding to the bias voltage; a reference current output terminal for outputting the second reference current; an internal current generation transistor for receiving at a gate thereof the bias voltage and generating a second internal current corresponding to the bias voltage; and an output current generation section for receiving the second internal current and generating n output currents corresponding to the second internal current.

Abstract: The present invention discloses a communication device with an adjustable brightness that includes a control circuit coupled to a modulating unit, and the modulating unit includes a tuning button disposed on the communication device that allows user to make adjustments or controls by the tuning button to produce a first set value, and the modulating unit converts the power received by a power supply circuit of the communication device into a corresponding operating voltage according to the first set value and sends the operating voltage to a light emitting unit of the communication device for projecting a light source according to the magnitude of the operating voltage, so as to adjust and change the brightness of the light emitting unit, and achieve the effects of saving power and extending the life of the light emitting units.

Abstract: Disclosed is a power LED light source that can be employed with different reflectors and other additional parts to form various power LED light units. Compared with the power LED light unit utilizing Luxeon LED packages and the like, the disclosed invention has the advantages of higher power, lower costs, better heat dissipation design and simpler optical design. The power LED light unit comprises of a base metal ring with multiple power LED dies mounted on it, one or more reflectors connected to the base metal ring, one or more extend metal rings connected to the base metal ring, a light unit base connected to the last extended metal ring, and a control circuit inside the metal rings. Such designed power LED light unit can emit light patterns such as parallel light pattern, non-parallel light pattern, and ring light pattern.

Abstract: A secondary side post regulator arrangement for a plurality of LED strings. For each secondary winding, a first electronically controlled switch is provided arranged to control the power output, and a LED string is connected thereto. A second electronically controlled switch is further connected in series with the LED string, arranged to receive a PWM signal, thereby pulsing current through the LED string. A current sensing element is further provided outputting a voltage representation of the current through the LED string, and a synchronized sampling circuit is provided arranged to sample the voltage representation during the on period of the second electronically controlled switch. The sampled and held voltage representation is compared with a reference signal and fed back to control the first electronically controlled switch. The voltage output associated with each secondary winding is controlled, responsive to the reference voltage.

Abstract: An active material and light emitting device comprises an ultrasonic atomizer assembly and a light emission device. The active material and light emitting device are operated such that the active material is periodically or aperiodically dispensed and the light emitting device flickers to simulate a real candle.

Abstract: A plasma display panel (PDP) apparatus and a method of updating the PDP apparatus are provided. The PDP apparatus includes: a PDP module which displays an image; and a signal processing module which processes audio and/or video signals provided from a signal source and provides the connected PDP module with an update program of the PDP module provided from an external apparatus. Accordingly, it is possible to update the program of the PDP module without separating the PDP module.

Abstract: Methods for driving devices capable of displaying images and processing audio messages are provided. A representative method comprises: operating a device capable of displaying images and processing audio messages at a first operating frequency when the device is not processing audio messages; and operating the device at a second operating frequency higher than the first frequency when the device is processing audio messages.

Abstract: An improved system and method for selectively applying LCD Response Time Compensation (LRTC) to areas of an LCD panel containing video motion. Motion vectors contained within macroblocks in a compressed video stream are utilized to qualify whether individual pixels in a video frame are a candidate for LRTC. In various embodiments of the invention, computationally expensive LRTC can be selectively applied, pixel-by-pixel, which can result in portable information system power savings by reducing the number of computational cycles and the amount of graphics controller power overhead.

Abstract: A driving circuit for a display device includes an input signal generator generating an input signal having one of a plurality of input frequencies corresponding to a respective one of a plurality of operating modes of the display device; a main operating clock generator responsive to the one of the plurality of frequencies to generating a main operating clock, a main frequency of the main operating clock varying in accordance with the one of the plurality of frequencies; and a control signal generator generating a control signal using the main operating clock, wherein the control signal changes in accordance with the main frequency.

Abstract: A liquid crystal display device includes a liquid crystal modulation element including a first electrode, a second electrode, and a liquid crystal layer, a potential difference providing unit that provides a potential difference between the first electrode and the second electrode, and an illumination optical system that illuminates the liquid crystal modulation element by using light from a light source. The liquid crystal display device includes a charge adjusting mode for reducing the intensity of an electric field generated by electric charge stored between the liquid crystal layer and at least one of the first electrode and the second electrode.

Abstract: A liquid crystal display includes a liquid crystal modulator that includes first and second electrodes, and a liquid crystal layer between the first and second electrodes, and a controller for changing at least one of potential provided to the first electrode and central potential of the potential provided to the second electrode so that flicker falls within a specific range after power is turned on and before a charging phenomenon in the liquid crystal modulator is stabilized.

Abstract: The present invention is intended to achieve an improvement in the horizontal resolution of an active matrix semiconductor display device. In accordance with the present invention, by supplying a modulated clock signal obtained by frequency modulating a reference clock signal at a constant period to a driving circuit of an active matrix semiconductor display device or to a driving circuit of a passive matrix semiconductor display device, signal information (the presence or absence of an edge, the extent of nearness) relative to the vicinity of the sampling of video signals (image signals) sampled on the basis of this modulated clock signal can be written to the corresponding pixels of the semiconductor display device as shading information. The driving method of the present invention makes use of a phenomenon which apparently makes the resolution of an image display higher owing to the shading information (visual Mach phenomenon and Craik-O'Brien phenomenon).

Abstract: A cholesteric liquid crystal driving device according to the present invention includes a first driving circuit for displaying one part of the image data to be displayed by a cholesteric liquid crystal on a first scanning line by driving the cholesteric liquid crystal on the first scanning line in accordance with first and second cycles; and a second driving circuit for displaying the other part of the image data to be displayed by a cholesteric liquid crystal on a second scanning line by driving the cholesteric liquid crystal on the second scanning line in accordance with a third or fourth cycle.

Abstract: In order to prevent the reproducibility of a display image from degrading due to the characteristic of a liquid crystal, a liquid crystal display device includes: a liquid crystal panel; a gray scale value generation unit which generates, based on a first gray scale value, a second gray scale value with a gray scale number smaller than the gray scale number of the first gray scale value; and a brightness control unit which sequentially controls the brightness of a corresponding liquid crystal pixel based on the second gray scale value generated by the gray scale value generation unit in a case where the first gray scale value is within a predetermined range, and which controls the brightness of the corresponding liquid crystal pixel based on the first gray scale value in a case where the first gray scale value is out of the predetermined range.

Abstract: An organic light emitting diode circuit of an organic light emitting display with voltage compensation technique includes a first capacitor, a first TFT, a second TFT, a third TFT, a reset circuit and an OLED. The first TFT has a first terminal for receiving a first voltage, and a second terminal coupled to its gate and a first end of the first capacitor. The second TFT has a first terminal for receiving a second reference voltage and a gate coupled to the gate of the first TFT. The third TFT is coupled to the first capacitor and receives a pixel voltage and scan signal. The reset circuit sets the first end of the first capacitor to have a first voltage level. The OLED has an anode coupled to a second terminal of the second TFT and a cathode for receiving a third reference voltage. The first voltage level is smaller than a voltage level of the first reference voltage.

Abstract: An OLED display according to an exemplary embodiment of the present invention includes a substrate, a gate line formed on the substrate and including a first control electrode, a data line intersecting the gate line, a switching TFT connected to the gate line and the data line, a driving TFT connected to the switching TFT, a first electrode connected to the driving TFT, a second electrode facing the first electrode, and a light emitting member formed between the first electrode and the second electrode. At least one of the switching TFT and the driving TFT includes a plurality of channels.

Abstract: The invention relates to an LED current driving system. The LED current driving system comprises an LED driver. The LED driver comprises at least one LED driving unit for outputting a driving current to an LED. Each LED driving unit comprises a plurality of current sources and a plurality of switches. The switches are connected to the corresponding current source. Each switch controls the ON/OFF state of the corresponding current source in accordance with the duty cycle control signal and a current control signal. Therefore, by integrating the LED driver on the LCOS panel, the LED current driving system of the invention can decrease the pin number of the LCOS chip, the overall area and the system cost so as to improve the yield of the LED current driving system. Besides, the LED current driving system utilizes the current sources to form the driving current to stably and precisely control the driving current flowing through the corresponding LED so that the color quality of the image can be improved.

Abstract: A control method for a display panel including a plurality of pixel units arranged in a matrix is disclosed. A plurality of video signals are received. A sequence of the video signals and a preset arrangement are compared. When the sequence of the video signals differs from the preset arrangement, polarities are provided to the video signals by a first inversion method for generating a plurality of first data signals. When the sequence of the video signals corresponds to the preset arrangement, polarities are provided to the video signals by a second inversion method for generating a plurality of second data signals. The second data signals are output to the pixel units.

Abstract: A liquid-crystal display device of OCB mode, comprising: signal and scanning lines arranged on an insulator substrate as the signal lines are intersected by the scanning lines to form intersections; pixel-dot TFTs arranged respectively in vicinity of the intersections and connected respectively with pixel electrodes, with the signal lines and with the scanning lines; and a repair-use construction for each pixel dot, which is convertible to a diode electrically connecting one of the pixel electrodes on the each pixel dot, to one of the signal lines.

Abstract: A relief structure alignment layer comprising a relief structure surface incorporating at least one indentation, the at least one indentation having an internal surface extending from the relief structure surface, wherein the relief structure alignment layer has a surface memory alignment layer arranged to impart a preferred liquid crystal director alignment to a liquid-crystal material in contact therewith as well as methods for configuring a liquid crystal material within a cell having a relief structure alignment layer by applying at least one of an electric field and a magnetic field and phoretic displays comprising at least on relief structure alignment layer.

Abstract: A driving apparatus that can easily detect a failure occurring in a liquid crystal panel and a liquid crystal display comprising the driving apparatus for a display comprises a voltage generator generating first and second gate clock signals that are a combination of a gate-on signal and a gate-off signal, wherein the first and second gate clock signals control a turn-on/off condition of a gate line, and a signal comparator comparing the first gate clock signal and the second gate clock signal with each other and turning a timing controller for the display on or off according to a comparison result.

Abstract: In a liquid crystal display, a timing controller compares a current pixel data signal corresponding to a currently driven gate line with a previous pixel data signal corresponding to a previously driven gate line to output control signals, and selectively outputs an output pixel data signal corresponding to the currently driven gate line. A data driver drives the data lines in response to the control signals and the output pixel data signal. Thus, the size of the pixel data signal provided from the timing controller to the data driver is reduced, thereby reducing power consumption and EMI thereof.

Abstract: A data line driver includes a circuit that is configured to drive data lines of a display panel in response to digital image data, a horizontal start signal and a load signal. The circuit is further configured to internally generate a frame recognition signal from the horizontal start signal and the load signal. The circuit may also be configured to receive the digital input data, the horizontal start signal and the load signal from a timing controller. The data line driver circuit may be combined with the timing controller, a scan line driver and a display panel to provide a display device. Analogous display data line driving methods also may be provided.

Abstract: A flat panel display includes a plurality of pixel circuits, each pixel circuit including a switch and a storage capacitor, in which the storage capacitor receives pixel data from a data line when the switch is turned on. A scan driver controls the switches of the pixel circuits, in which the scan driver turns on a first switch of a first pixel circuit for a first length of time within a frame period, and turns on a second switch of a second pixel circuit for a second length of time within the frame period, the first length of time being different from the second length of time.

Abstract: An analog output buffer circuit for a flat panel display is provided for improving an output signal distortion. The circuit includes a transistor, a current source, an input capacitor, an upper switch, a lower switch, a first switch, a second switch and a third switch. In which, the transistor and the current source are electrically connected in series between a first power supply and a second power supply. The current source provides a compensatory current for the transistor when a leakage current occurs. The upper switch and the first switch are turned on during the first period, and the lower switch and the second switch are turn on during the second period, in which the second period is after the first period. Those switches eliminate the drawback of different voltage levels between the input signal and the output signal obtained from the output buffer circuit inputted by the input signal.

Abstract: An LCD source driving circuit includes a gray voltage generator and a D/A converter. The gray voltage generator receives reference gray voltages to generate gray voltages having 2n different voltage levels. The D/A converter has 2n conversion paths and selects one gray voltage according to a received n-bit data among the 2n gray voltages to output the selected gray voltage. The source driving circuit may adjust voltage differences between the neighboring conversion paths when testing the D/A converter.

Abstract: A display array organization used in a display panel is provided. The display array includes a data line, a first scan line, a second scan line, a first pixel electrode, a second pixel electrode, a front-end switch and an intermediary switch. The first pixel electrode is connected to the data line with the front-end switch, and the second pixel electrode is connected to the first pixel electrode with the intermediary switch. The operation of the front-end switch and intermediary switch are controlled by the first and second scan line respectively. When only the front-end switch is activated, the first pixel electrode can receive the data signal from the data line. When both the front-end and intermediary switches are activated, the second pixel electrode can receive a data signal from the data line.

Abstract: The present invention applies to provide a lighting method of a high pressure discharge lamp dedicated particularly for image equipments in which re-lighting when turning ON the switch again immediately after the switch OFF is instantaneously performed even in the high pressure discharge lamp. In the transition state of transitioning from the lighted state to light off, the lamp power to be supplied to the electrodes (3), (4) is reduced to an extent an arc discharge does not disappear and maintained for a while, and thereafter, transitioned to the glow discharge after lowering the lamp temperature to a temperature capable of maintaining the glow discharge and maintaining the glow discharge for a while, and the current supply to the electrodes (3), (4) is cut at the point the lamp temperature becomes lower than or equal to the temperature at which re-lighting is possible.

Abstract: An improved apparatus and method for measuring and reporting the amount of time an LCD panel backlight has been in operation. Various embodiments of the invention can provide backlight usage data that can be correlated with vendor-specified lifetime curves to determine its remaining life. In various embodiments these correlations can be used by service personnel when diagnosing defective LCD panels to determine whether the backlight should be replaced, thereby reducing the number of follow-on service requests.

Abstract: Disclosed are a liquid crystal display (LCD) capable of controlling a luminance of a screen and a method for controlling a luminance thereof, which includes a backlight unit irradiating a light on the LCD panel by an input driving current; a driving voltage generating unit generating a driving voltage signal for driving the backlight unit by use of a direct current (DC) voltage corresponding to a preset level of luminance and a predetermined AC (alternate current) voltage; and a backlight controlling unit generating the driving current corresponding to the generated driving voltage signal and supplying to the backlight unit. Accordingly, it is possible to maintain luminance of a screen by driving a backlight by use of a direct current (DC) voltage and an AC (alternate current) voltage.

Abstract: A display device configured to realize a high display quality by correcting irregularity, caused by a lighting unit, by signal processing. The target light quantity in a displayed image of the liquid crystal panel is set, the estimated light quantity at each pixel location in the plane of the backlight is calculated, matrix coefficients are calculated based on the estimated light quantity and the target light quantity, image signals are subjected to matrix operations using the matrix coefficients, and the liquid crystal panel is driven by image signals resulting from the matrix operations. Therefore, the light quantity distribution in the displayed image becomes identical to the target light quantity distribution.

Abstract: A dimming structure for an image display device further includes a contrast panel for altering contrast differences in a portion around an outputted image to achieve dimming effects on an image smaller than a light emitting lamp. In the dimming structure, a backlight unit has a plurality of light sources disposed therein. A display panel displays an image while the backlight unit is disposed to light the display panel. A contrast panel is disposed between the backlight unit and the display panel. The contrast panel has a light emitting window formed in a portion thereof corresponding to the image of the display panel to transmit light emitted from the backlight unit therethrough. The dimming structure assures uniform dimming effects on the portion around the image despite use of a light source bigger than the image to be outputted.

Abstract: A display is backlit by a source having spatially modulated luminance to attenuate illumination of dark areas of images and increase the dynamic range of the display.

Abstract: A display is backlit by a source having spatially modulated luminance to attenuate illumination of dark areas of images and increase the dynamic range of the display.

Abstract: The invention relates to a rotating actuator/pressure actuator (13) comprising a ring-shaped rotary transducer (5) consisting of an inner ring and a rotary ring with a handle (1) and which can rotate around the inner ring about an axis (z) and which is displaceably arranged in a linear manner along the axis (Z) in relation to a housing(11), in addition to an inner part (touchpad 2) which is arranged in an inner area (12) of the ring-shaped rotary transducer (5) and which is displaceable in a linear manner along the axis (z) together with the ring-shaped rotary transducer (5) in relation to the housing (11). Linear displacement of the handle (1) and/or inner part (touchpad 2) triggers a push-button function.