| Entries |
| Document | Title | Date |
|---|
| 20080203930 | Electroluminescent Display Devices - An active matrix display device comprises an array of display pixels provided over a common substrate. Each pixel has a voltage-programmed current source circuit, a drive transistor and a light sensitive device for sensing the display element light output. The light sensitive device provides a current dependent on the display element output, and the light sensitive device and the current source circuit define a feedback control loop which controls the voltage provided to the gate of the drive transistor. This pixel circuit uses a current source circuit to provide a gate voltage to a drive transistor. This enables the current source circuit to operate at low current levels, and therefore under low voltage stress. | 08-28-2008 |
| 20080211413 | INFORMATION DISPLAY APPARATUS - An information display apparatus includes a matrix of thin-film light-emitting diodes (LEDs) disposed on a transparent substrate. The thin-film LEDs are epitaxially grown on a semiconductor substrate, then transferred in strips to the transparent substrate, anchored by intermolecular forces, and separated into individual LEDs by photolithography and etching. The anodes and cathodes of the thin-film LEDs are connected to anode and cathode driving circuits by a matrix of thin-film electrical paths formed on the transparent substrate. The matrix of LEDs and interconnections is dense enough to display images of high quality, and provides enough pixels for the display of useful text and graphics on even small information display devices. | 09-04-2008 |
| 20080218089 | LIGHTING DEVICE FOR DISPLAY DEVICE, DISPLAY DEVICE AND TELEVISION RECEIVER - A lighting device for a display device includes a plurality of light sources, a power source arranged to provide drive power for the light sources, a common electrode arranged to supply the drive power to the plurality of light sources, a plurality of holder electrodes arranged to hold the respective light sources and supply the drive power from the common electrode individually to the respective light sources, and a dielectric portion provided between the common electrode and each of the holder electrodes. | 09-11-2008 |
| 20080224620 | Backlight Unit - Backlight unit comprising a supply source ( | 09-18-2008 |
| 20080265783 | Display panel, electronic device, and mehtod of making display panel - Disclosed is a display panel having a display area with a matrix array of display pixels. The display panel includes an electrode arranged so as to cover the whole of the display area, and a common electrode electrically connected to the electrode. The common electrode is frame-shaped and is arranged along the periphery of the display area. The common electrode has a notch that is opposed to a power supply lead pattern to which a potential different from that applied to the common electrode is applied. | 10-30-2008 |
| 20080265784 | Gas excitation light-emitting device - A gas excitation light-emitting device, including a first substrate and a second substrate with a plurality of cells are defined between the first substrate and the second substrate, an excitation gas in each of the cells, a phosphor layer in each of the cells, a plurality of electrodes disposed between the first substrate and the second substrate, an electron accelerating layer emitting an E-beam in each of the cells, wherein, for each of the cells, the electron accelerating layer excites the excitation gas in the cell when a voltage is applied to corresponding ones of the electrodes of the cell, and the respective phosphor layer is spaced apart from the electrodes of the cell and the phosphor layer is arranged in a portion of the cell other than a portion of the cell between corresponding ones of the electrodes of the cell. | 10-30-2008 |
| 20080278082 | PLASMA DISPLAY DEVICE AND METHOD FOR DRIVING THE SAME - There is provided a method for driving a plasma display device characterized by including a first step of turning off first and fourth switching devices and turning on second and third switching devices, a second step of turning on the first switching device and turning off the second to the fourth switching devices after the first step and a third step of turning on the first and the fourth switching devices and turning off the second and the third switching devices after the second step. | 11-13-2008 |
| 20080290805 | DISPLAY DEVICE AND ITS DRIVING METHOD - A display panel ( | 11-27-2008 |
| 20080290806 | Cathode potential control device, self-luminous display device, electronic equipment and cathode potential control method - Disclosed herein is a cathode potential control device for controlling a common cathode potential applied to a self-luminous display panel adapted to drive and control the light emission status of each of the pixels by active matrix driving, the cathode potential control device including: a cathode potential determination section adapted to read a cathode potential level from a table memory according to a current panel temperature, the cathode potential level being associated with a panel temperature so as to cancel the temperature dependent characteristic of a voltage which develops between anode and cathode electrodes of a self-luminous element during light emission, the level causing a drive transistor of the self-luminous element to operate in the saturation region; and a cathode potential application section adapted to develop a cathode potential associated with the determined cathode potential level and supply the potential to a common cathode electrode of the self-luminous display panel. | 11-27-2008 |
| 20090072750 | DENSE ARRAY OF FIELD EMITTERS USING VERTICAL BALLASTING STRUCTURES - A field emitter array structure is provided. The field emitter array structure includes a plurality of vertical un-gated transistor structures formed on a semiconductor substrate. The semiconductor substrate includes a plurality of vertical pillar structures to define said un-gated transistor structures. A plurality of emitter structures are formed on said vertical un-gated transistor structures. Each of said emitter structures is positioned in a ballasting fashion on one of said vertical un-gated transistor structures so as to allow said vertical ungated transistor structure to effectively provide high dynamic resistance with large saturation currents. | 03-19-2009 |
| 20090091264 | PIXEL CIRCUIT - A pixel circuit has a light emitting diode, a first switch, a driving transistor, a capacitor, and a second switch. The first switch has a first end coupled to the light emitting diode, wherein the first switch is controlled by a first scan signal. The driving transistor has source/drains respectively coupling to a first power source terminal and a second end of the first switch. The capacitor couples between a gate of the driving transistor and a second power source terminal. The second switch respectively couples the second end of the first switch to the capacitor, and couples the gate and the source/drain of the driving transistor together when a second scan signal is asserted. | 04-09-2009 |
| 20090102389 | Matrix phosphor cold cathode display employing secondary emission - A vacuum flat panel display including: a plurality of electrically addressable pixels; a plurality of thin-film transistor driver circuits each being electrically coupled to an associated at least one of the pixels, respectively; a passivating layer on the thin-film transistor driver circuits and at least partially around the pixels; a conductive frame on the passivating layer, said frame and pixel area coated with an insulator; and, a plurality of cathode emitters are deposited on the coated frame while phosphor is deposited on the coated pixel; wherein, exciting the cathode emitters and addressing one of the pixels using the associated driver circuit causes the emitted electrons to induce one of the pixels to emit light. By introducing a noble gas or mixture, and a ML layer having a DC, AC or pulsed voltage applied thereto, one creates a plasma to form a sheath boundary at the insulator causing electron multiplication and increased illumination. | 04-23-2009 |
| 20090134808 | Discharge Tube Array and Display Device Using Same - A discharge tube array includes a plurality of narrow discharge tubes ( | 05-28-2009 |
| 20090160346 | Method and apparatus for providing high speed, low EMI switching circuits - Methods and apparatus are provided for generating low EMI display driver power supply. The methods and apparatus include switching circuits that utilize two groups of parallel circuit traces, each of which is coupled to one end a switching device. The two groups of traces are configured to be interleaved with each other such that no two traces from either group are next to any other traces from the same group. When the switching device is activated, current flows through the circuit and charges an energy storage element. When the switching device is deactivated, the energy storage element discharges a portion of its energy to a second energy storage element and to the driver circuits. In another embodiment, and additional circuit trace is provided which is only connected on one end and is free floating on the other end to capture the majority of EMI remaining that was generated by the switching circuit. | 06-25-2009 |
| 20090243497 | IMAGE DISPLAY APPARATUS AND METHOD FOR DRIVING THE SAME - An image display apparatus includes a rear plate including electron-emitting devices, a face plate including an anode electrode, a voltage applying unit configured to apply a voltage to the anode electrode, a switching unit configured to switch between a display state of displaying an image and a non-display state of displaying no image, and a timing unit. The timing unit measures a non-display time, which is an amount of time that the switching unit allows the non-display state to continue. After the timing unit has measured a certain non-display time, the voltage applying unit applies, to the anode electrode, a second voltage lower than a first voltage to be applied in the display state, to enable the electron-emitting devices to emit electrons. | 10-01-2009 |
| 20100007281 | METHOD OF LIGHTING GAS DISCHARGE LAMP - The present invention lights a gas discharge lamp with a stable average frequency and in the mean time grows tips evenly on the two electrodes of the gas discharge lamp so that the distance between the electrodes is maintained and the stability of the electric arc is enhanced. The present invention first applies a DC voltage and then a high-frequency AC voltage to the electrodes of the gas discharge lamp. The present invention then applies a reversed DC voltage and then a high-frequency AC voltage to the electrodes. This process is repeated and, as the tungsten ions in the electric arc are steadily deposited on the arc spots of the electrodes alternately and two tips are thereby evenly developed on the first and second electrodes, respectively. | 01-14-2010 |
| 20100007282 | IMAGE DISPLAY APPARATUS - An image display apparatus of a present invention has a rear plate having a plurality of electron-emitting devices, a face plate having a light-emitting member, a high-voltage power source which applies a high voltage to the light-emitting member, a current detecting unit which detects an emission current from the electron-emitting devices, and a bypass capacitor. One end of the bypass capacitor is connected between the high-voltage power source and the current detecting unit, and the other end of the bypass capacitor is connected to a potential regulating electrode, and an electrostatic capacitance Cp of the bypass capacitor satisfies a following formula: | 01-14-2010 |
| 20120032602 | Method for driving plasma display panel - A method for driving a plasma display panel in which a plurality of first and second electrodes are arranged adjacently each other, a plurality of third electrodes are arranged to cross the first and second electrodes, the plasma display panel having a reset period, an address period, and a sustain discharge period is provided. The method includes in the reset period, applying to the second electrodes a first waveform voltage, whose applied potential increases with time, then applying to the second electrodes a second waveform voltage, whose applied potential decreases with time. The method includes when applying the first waveform voltage, a first constant voltage is applied to the first electrodes, and a second constant voltage higher than the first constant voltage is applied to the third electrodes and when applying the second waveform voltage, a third constant voltage is applied to the first electrodes, and a fourth constant voltage lower than the third constant voltage is applied to the third electrodes. | 02-09-2012 |
| 20140117860 | DISPLAY APPARATUS AND METHOD OF REPAIRING THE SAME - Provided is a display apparatus including a plurality of unit pixels, each including a plurality of sub-pixels; a first line branched in a first direction from a common line as many as the number of sub-pixels in each of the unit pixels so as to connect sub-pixels emitting light of the same color in neighboring unit pixels to each other; a second line extending in a second direction that crosses the first direction and connected to the sub-pixels; and a third line adjacent to the second line, extending in the second direction, and including a hole formed on a portion where the first line and the third line cross each other, and connected to the sub-pixels. | 05-01-2014 |
