"Everyone acquainted with the subject will recognize it as a conspicuous failure."
Henry Morton, president of the Stevens Institute of Technology ; Said in 1880 about the light bulb
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| Number | Title | Issue Date |
| 7548027 | EL display device and electronic device An electroluminescence display device has a plurality of electroluminescence elements and a driver circuit formed over a substrate. At least a part of the driver circuit is disposed in a display portion of a substrate in order that the size of the display device can... | 06/16/2009 |
| 7425801 | LED driving device for multiple color LED displays Driving voltages of an LED of each color are stored in applied voltage storage register 11, 12 or 13, and the LED of each color is driven with independent driving voltage, whereby current consumption is reduced. Further, data in applied voltage storage... | 09/16/2008 |
| 7423382 | Light-emitting body, light emitting device and light-emitting display A light-emitting body of the present invention includes an anode and a cathode at least partly facing the anode with the intermediary of a light-emitting material layer. An auxiliary electrode is formed, via an insulation layer, on the surface of the light-emitting ... | 09/09/2008 |
| 7400097 | Organic EL display device A driver IC (4) and a current driver circuit (40) are shared by a first organic EL panel (2) and a second organic EL panel (3). Therefore, not like conventional cases, the current driving circuit (40) on a side not selected is not ... | 07/15/2008 |
| 7379036 | Driving circuit for vacuum fluorescent display A driving circuit for a vacuum fluorescent display for pulse-driving a filament of the vacuum fluorescent display with a pulse voltage. The driving circuit comprises a detecting unit for detecting that the level of the pulse voltage is fixed, and outputs a detection... | 05/27/2008 |
| 7379081 | Organic light emitting diode display An OLED display comprising a plurality of pixels, first, second, and third reference voltage generators; and a data driver, all formed on the same substrate is disclosed. Each pixel includes a subpixel of a first color, a subpixel of a second color, and a subpixel o... | 05/27/2008 |
| 7368877 | Light emitting display device and drive control method thereof A clock signal synchronized with a data write signal for each scan line supplied from a light emission control circuit 4 to a scan driver 6 is supplied to an oscillator 12 generating a reference switching signal of a DC-DC converter 8 by ... | 05/06/2008 |
| 7369104 | Driving apparatus of display panel An apparatus for driving a display panel can execute quality image display. To allow discharge cells operating as pixels of the display panel to repeatedly perform sustain discharge, a fall period of a last sustain pulse of sustain pulses repeatedly applied to row e... | 05/06/2008 |
| 7362290 | Image signal correcting circuit, image processing method, electro-optical device and electronic apparatus To provide a circuit for preventing degradation of a display quality caused by horizontal crosstalk. An image signal correcting circuit supplies a corrected image signal to a display panel to apply the image signal using the corresponding data line after pre-chargin... | 04/22/2008 |
| 7358531 | EL display device and electronic device An EL display device capable of producing a vivid multi-gradation color display, and an electronic device having the EL display device. An electric current supplied to an EL element 110 is controlled by providing a resistor 109 between a current contro... | 04/15/2008 |
| 7333078 | Driving system and method for electroluminescence displays A driving system and method for electroluminescence displays having a matrix of electroluminescence elements arrayed in rows and columns with a control circuit for discharging each anode line to a column equalization bus (CEB), includes connecting the charged anode ... | 02/19/2008 |
| 7323822 | Plasma display with split electrodes There is provided a plasma display. The plasma display includes a circuit having a first input that receives a first waveform, a second input that receives a second waveform, an output that provides a driving waveform for an electrode of a pixel in the plasma displa... | 01/29/2008 |
| 7319347 | Bidirectional high voltage switching device and energy recovery circuit having the same Provided are a bi-directional high voltage switching device that includes an N-channel double diffused metal oxide semiconductor field effect transistor (DMOS FET) and a P-channel DMOS FET, each conducting current bi-directionally, and an energy recovery circuit tha... | 01/15/2008 |
| 7317520 | Method and apparatus for measuring brightness An apparatus for measuring brightness transmitted by a light-emitting display unit of a laser telescope and observed by the user's eyes comprises a focusing unit (11), a sensor unit (12), a processing unit (13) and a display unit (14). A ... | 01/08/2008 |
| 7317434 | Circuits including switches for electronic devices and methods of using the electronic devices A circuit for an electronic device includes a select unit, a data holder unit, an electronic component, a transistor, and a switch. The control terminal of the switch is coupled to a first select line, the first terminal of the switch is connected to a first electro... | 01/08/2008 |
| 7315314 | Image display apparatus There is here provided an image display apparatus that adjusts a change of a drive condition resulting from an electrical resistance of a matrix wiring of a display panel scarcely using a hardware. The apparatus has an adjusted image data calculation unit tha... | 01/01/2008 |
| 7309958 | Organic light emitting device comprising bypass transistor between cathode and anode and method of manufacturing the same Provided is an organic light emitting device that includes a bypass transistor between a cathode layer and an anode layer and a method of manufacturing the same. The organic light emitting device includes a substrate; a cathode layer and an anode layer separated by ... | 12/18/2007 |
| 7307602 | Plasma display addressing There is disclosed the priming or conditioning of an AC gas discharge plasma display panel for improved selective write and selective erase which comprises addressing n number of rows in an order or sequence that is changed from frame to frame such that later rows t... | 12/11/2007 |
| 7303455 | Method of fabricating a light emitting device including a step for cleaning the surface of an anode layer during manufacture A light emitting element has been fabricated by making a barrier having a curved surface having a radius of curvature at the upper portion or lower portion, washing a surface of an anode with a porous sponge in order to remove minute grains dotted on the surface of ... | 12/04/2007 |
| 7304640 | Method of measuring luminance of image display apparatus, method of manufacturing the same, method and apparatus for adjusting characteristics of the same A method of measuring luminance of an image display apparatus, a method of manufacturing the same, and a method and an apparatus for adjusting characteristics of the same, in which accuracy of measurement is improved while reducing time for measuring luminance of a ... | 12/04/2007 |
| 7301513 | Display element and display device A display element is configured as follows in order to prolong the display lifetime of an electro-optical element without inserting a resistance element or lowering the numerical aperture due to a change in layout. The display element includes an organic EL element,... | 11/27/2007 |
| 7286102 | Method and apparatus for driving plasma display panel The present invention relates to a method and apparatus for driving a plasma display panel that can be driven at a low voltage and prevent undesired discharge from being generated under high temperature environment. A method and apparatus for driving a plasma... | 10/23/2007 |
| 7271782 | Method and apparatus for driving plasma display panel using selective writing and erasing A plasma display driving method and apparatus for stabilizing an initialization upon selective erasing in a case of simultaneously performing a selective writing and a selective erasing is disclosed. In the method and apparatus, at least one selective writing sub-fi... | 09/18/2007 |
| 7268933 | Discharge of MEM devices having charge induced via focused beam to enter different states An apparatus includes micro-electromechanical (MEM) devices, a charge source, and a discharge mechanism. Each MEM device has different states based on a charged induced thereon. The charge source is to induce the charge thereon such that the MEM devices each enter o... | 09/11/2007 |
| 7262748 | Driving method for a plasma display panel A driving method for a plasma display panel (PDP). The odd pixels units are selected by the odd fields, and are discharged. The even pixels units are selected by the even fields, and are discharged. The pixel units are disposed in a triangular arrangement, so that t... | 08/28/2007 |
| 7256422 | EL display device and electronic device An electroluminescence display device has a plurality of electroluminescence elements and a driver circuit formed over a substrate. At least a part of the driver circuit is disposed in a display portion of a substrate in order that the size of the display device can... | 08/14/2007 |
| 7256775 | Light emitting display A light emitting display including a selection signal unit, an emission control signal unit and a plurality of pixels. The selection signal unit receives a first start signal, generates a first shift signal, generates a selection signal using the first shift signal,... | 08/14/2007 |
| 7256552 | LED control circuit An LED control circuit for controlling a plurality of LEDs with different emission colors comprises a counter which increments or decrements a count value at a predetermined clock in response to a count start signal externally supplied, a signal conversion circuit w... | 08/14/2007 |
| 7253560 | Triode surface discharge type plasma display panel An AC plasma display panel has a pair of panels disposed in spaced opposed relation, and each having a plurality of electrodes formed on an opposed surface thereof and mostly covered with a dielectric layer; and a sealing member which seals the periphery of the pair... | 08/07/2007 |
| 7253665 | Semiconductor device and driving method thereof The invention provides a semiconductor device which performs a write operation of a signal current rapidly to a current input type pixel. Before inputting a signal current, a precharge operation is performed by flowing a large current. After that, a signal current i... | 08/07/2007 |
| 7250925 | Plasma display panel driving method A PDP driving method that reduces the reset voltage of the PDP driving waveforms to make it possible to use low-voltage elements and to achieve high contrasts is disclosed. Since conventional PDP waveforms require very high reset voltages, it causes a problem of int... | 07/31/2007 |
| 7245278 | Light emitting device and method of driving thereof A display pixel circuit having a data line loading circuit with a first capacitor, a first reset circuit coupled with the data line loading circuit, and a diode coupled to the data line loading circuit. The display pixel circuit also includes a second capacitor asso... | 07/17/2007 |
| 7242146 | Driving method and driving apparatus A driving apparatus for driving a plurality of display devices of a panel is provided. The driving apparatus comprises a controllable current source and a plurality of current storage and duplicating apparatuses. Wherein, each of the current storage and duplicating ... | 07/10/2007 |
| 7230615 | Method and apparatus for coordinating horizontal and vertical synchronization signals In a signal coordinating method and apparatus, a pulse generating circuit receives a VSYNC signal and generates a plurality of critical pulses that define critical time periods from fields can control edges of the VSYNC signal. A determining circuit receives an HSYN... | 06/12/2007 |
| 7230386 | Image display apparatus An image display apparatus includes a display panel having a plurality of electron emission portions that emit electrons, a plurality of light emitting regions positioned corresponding to the plurality of electron emission portions to emit light in response to irrad... | 06/12/2007 |
| 7224126 | Pulse width modulation method for driving an OLED panel An organic light emitting display (OLED) panel has a plurality of organic light emitting diodes. The organic light emitting diodes are electrically connected to a plurality of segment lines and a plurality of common lines in a matrix structure. The organic light emi... | 05/29/2007 |
| 7218293 | Method for driving an organic electroluminescent display device When the ambient temperature of an organic electroluminescent display device is a low temperature, a capacitive charge driving method is performed to supply a constant current to a column electrode after performing capacitance charge and then apply a constant voltag... | 05/15/2007 |
| 7215086 | Electronic light generating element light bulb The present system for driving an electronic light generating element, includes: (i) input terminals, (ii) an input circuit coupled to the input terminals and operable to convert a sinusoidal signal to a signal independent of negative current attributes, (iii) a swi... | 05/08/2007 |
| 7215306 | Driving apparatus for an active matrix organic light emitting display A driving apparatus of a multiple-scanning driving circuit relating to a simple pixel structure of 2T1C (2 TFTs and 1 capacitor) includes a write-scan circuit, an erase-scan circuit and a data driving circuit. A write-enable line connected to the write-scan and the ... | 05/08/2007 |
| 7211943 | Electron source plate, image-forming apparatus using the same, and fabricating method thereof A covering layer for insulating between column wirings and device electrodes is formed in a region including each cross point of the column wirings and row wirings and under the column wirings. Thus, when an electron source plate in which a large number of electron-... | 05/01/2007 |