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7623123 |
Organic electroluminescent device and method of driving the same
The present invention relates to an organic electroluminescent device that can reduce power consumption and is appropriate for low gray scale images. The organic electroluminescent device includes...
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7623110 |
Systems for displaying images by utilizing horizontal shift register circuit for generating overlapped output signals
Systems for displaying images are provided. An embodiment of such a system has a dynamic shift register. The dynamic shift register includes a first, second, third, fourth and fifth switching...
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7619621 |
Display apparatus having precharge capability
A display includes capacitive display elements, output drivers, scan switches, precharge switches, and a precharge stopper. The drivers provide drive currents or voltages corresponding to display...
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7619602 |
Display device using demultiplexer and driving method thereof
Disclosed is a display device using a demultiplexer. The demultiplexer sequentially samples data currents that are time-divided and applied by a data driver, and holds them to a plurality of data...
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RE40973 |
Liquid crystal driver and liquid crystal display device using the same
A liquid crystal driver includes a voltage generator for generating gray scale voltages on the basis of reference voltages, and an output device for selecting one gray scale voltage from the...
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7616183 |
Source driving circuit of display device and source driving method thereof
A source driving circuit includes a shift register, a data latch circuit, a D/A converter, and a sample-and-hold circuit. The shift register generates an n-bit first signal in response to a clock...
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7616182 |
Display device and driving method thereof
A low-power-consumption active matrix display device is provided. A driving method of an active matrix display device having M gate lines and N source lines, comprises the steps of writing a data...
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7616181 |
Display with system-on-panel design
A display adopting system-on-panel (SOP) design comprising a pixel array, a driving unit, a timing controller, and a first synchronization unit is provided. The pixel array is electrically...
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7612788 |
Driving multiple sub-pixels from single gray scale data
For generating source line voltages in a display device, gray scale data is received at a source driver for a first sub-pixel of a pixel. The source driver generates a first source line voltage for...
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7612756 |
Apparatus and method of driving light source for image display device and image display device having the same
An image display device includes a display panel having gate and data lines electrically connected with pixels, gate and data drivers providing a gate signal and a data voltage, respectively, to...
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7612754 |
Shift register units, display panels utilizing the same, and methods for improving current leakage thereof
A shift register comprising at least one shift register unit. The shift register unit comprises an input unit, at least one first TFT, and at least one second TFT. The input unit receives an input...
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7612753 |
Display device and method for fabricating the same
An inexpensive display device, as well as an electrical apparatus employing the same, can be provided. In the display device in which a pixel section and a driver circuit are included on one and...
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7609254 |
Signal driving system for a display
The invention relates to a signal driving system for a display. The signal driving system comprises: a signal controller, a flexible connector and a plurality of driving devices. The signal...
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7609247 |
Driving circuit for liquid crystal display device, liquid crystal display device, method of driving liquid crystal display device, and electronic apparatus
A driving circuit includes a scanning-line driving circuit applying an on potential to sequentially drive scanning-lines, a data-line driving circuit that, when the on potential is applied to each...
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7605793 |
Systems for display images including two gate drivers disposed on opposite sides of a pixel array
Systems for displaying images are provided, comprising a pixel array, a first gate driver and a second gate driver. The first gate driver is disposed on a first side of the pixel array and the...
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7605784 |
Flat panel display
A flat panel display with good color mixture of three primary colors to achieve different hues and little signal delay is provided. The display includes signal lines including scan lines and data...
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7602372 |
Backlight driver circuit and liquid crystal display device having the same
In a backlight driver circuit and a liquid crystal display (LCD) device employing the same, separate forward driving currents are applied to red (R), green (G) and blue (B) backlights,...
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7602368 |
Reset device and method for a scan driver
The invention relates to a reset device for a scan driver. The scan driver is used for driving a control circuit of a display. The reset device comprises: a first input terminal, a second input...
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7602367 |
Flat display panel driving method and flat display device
A flat display panel comprises a matrix array of pixels that displays an image, a controller that receives a video signal supplied externally along with a horizontal sync signal defining a...
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7602366 |
Liquid crystal display device
An optimum driving method is realized in a miniaturized liquid crystal display device having two liquid crystal display panels so as to low power consumption. The liquid crystal display device...
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7602365 |
Display device
In a display device which displays a black image by periodically inserting a black image, after the display of the black image, a first period in which a video signal different from a video signal...
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7598950 |
Display control device with multipurpose output driver
A display control device includes a controller, a scaling engine, a timing controller, a selector and an interface circuit. The controller is for providing a mode-control signal. The scaling engine...
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7595783 |
Shift register
A shift register for use with a liquid crystal display device includes a plurality of stages. A stage of the shift register includes a first controller, a second controller and an output buffer....
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7595782 |
Liquid crystal display with integrated digital-analog-converters
An apparatus and method can convert digital data to analog data using column load capacitances on adjacent pairs of column lines of the LCD. The apparatus includes a data bus containing digital...
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7595780 |
Liquid crystal display device
The liquid crystal display device has a liquid crystal panel in which liquid crystal cells are disposed in intersection areas of scanning lines and data lines, respectively. A picture signal and a...
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7593007 |
Color-sequential display method
A display method for driving a color-sequential display of an electronic device is provided. When the electronic device is not at low power mode, a first image is displayed first by using a second...
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7592994 |
Liquid crystal display apparatus and reduction of electromagnetic interference
A liquid crystal display apparatus includes a liquid crystal display unit, a plurality of data driving units which provide image data to said liquid crystal display unit, and a control unit which...
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7589708 |
Shift register and method of driving the same
A clock pulse with a smaller amplitude voltage than the power supply voltage of the shift register is inputted to the shift register. The gate width of a TFT that constitutes a second clocked...
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7589705 |
Circuit and method for driving display panel
A circuit for driving a display panel comprises a source driving circuit having a plurality of driving units for driving the display panel according to display data; at least one of the driving...
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RE40916 |
Liquid crystal driver and liquid crystal display device using the same
A liquid crystal driver includes a voltage generator for generating gray scale voltages on the basis of reference voltages, and an output device for selecting one gray scale voltage from the...
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7586504 |
Amplifier circuit, driving circuit of display apparatus, portable telephone and portable electronic apparatus
To obtain an amplifier circuit capable of realizing low power consumption and high-precision output. A controlling unit controls each switch of an offset correction circuit to select one capacitor...
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7586485 |
Controller driver and display apparatus
A driving apparatus for over-drive driving includes a display memory, a memory control circuit performing control for receiving input image data supplied from an image rendering device, reading out...
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7586478 |
Semiconductor device
There is provided a semiconductor device in which fabrication steps can be reduced by constructing a circuit using only TFTs of one conductivity type and in which a voltage amplitude of an output...
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7586476 |
Apparatus and method for driving liquid crystal display device
An apparatus and method for driving a liquid crystal display device are disclosed. The apparatus includes a liquid crystal panel with pixels defined by data and gate lines. A gate driver provides...
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7586429 |
Scrambling system for high resolution ditigal-to-analog converter
A scrambling system for a digital-to-analog converter (DAC) includes a DAC that receives a digital input word and a scrambling module that randomly selects at least one of a plurality of current...
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7586328 |
Shift register driving circuit and level shifter thereof
A level shifter includes a first switch, a second switch, an energy storing device, a loading device, a third switch, a diode, a forth switch, a transistor, and a fifth switch. The first switch,...
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7583247 |
Gate driver for a display device and method of driving the same
A gate driver for a display device includes a plurality of shift registers to sequentially generate output signals during a frame period in response to multi-phase clocks; and a dummy clock...
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7583246 |
Display driver, electro-optical device and drive method
A display driver which drives at least a plurality of scan lines of a display panel having a plurality of data lines and a plurality of pixels in addition to the scan lines. The display driver...
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7576724 |
Liquid crystal display device and electronic device
A liquid crystal display device and an electronic device, which provide compensation for the difference of brightness caused by the LC effect to improve the image color fidelity is provided. The...
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7573456 |
Semiconductor integrated circuit device and liquid crystal display driving semiconductor integrated circuit device
A voltage impressed across the drain and source is reduced by further connecting in series one or two or more transistors between a couple of transistors in an output circuit including an output...
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7573455 |
Analog buffer and method for driving the same
An analog buffer includes a comparator unit for comparing an input signal to be charged on a signal line of a display panel with an output signal charged on the signal line of the display panel to...
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7573454 |
Display driver and electro-optical device
A display driver which drives a plurality of data lines of an electro-optical panel, including: a data input section to which display data or setting data is input; a display processing section...
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7573452 |
Integrated multiplexer/de-multiplexer for active-matrix display/imaging arrays
Integrated multiplexer/de-multiplexer for a pixel array is provided. A drive circuit having the de-multiplexer is provided to a gate line arranged for a pixel array. A pixel is selected using the...
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7573451 |
Sample hold circuit and image display device using the same
A sample hold circuit includes a first switch connected between a data line and a first node, a second switch connected between first node and a second node, a capacitor connected between the...
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7573449 |
Method of correcting unevenness of brightness, correction circuit for correcting unevenness of brightness, electro-optical device, and electronic apparatus
To correct unevenness of brightness caused from unevenness in a cell gap, etc. with high accuracy. When unevenness of brightness of pixels is corrected by adding correction data corresponding to a...
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7573444 |
Light emitting display
A light emitting display that includes a pixel portion having a plurality of pixels to display an image, a scan driver to supply a scan signal and an emission control signal to the pixel portion,...
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7570276 |
Display driver circuit and drive method thereof
There is provided a technology that can reduce the number of signal lines by encoding a PWM signal used in a display driver IC. The display driver circuit for displaying a gradation on a display...
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7570256 |
Apparatus and method for transmitting data of image display device
An apparatus for transmitting data of an image display device includes an image display part equipped with sub-pixels formed between gate lines and data lines, a data driver for driving the data...
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7570245 |
Control unit and method for reducing interference patterns in the display of an image on a screen
A control unit and a method are provided to reduce an interference pattern in the display of an image on a screen with a pixel frequency. The image is described by pixel data and provided to the...
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7570244 |
Display device
Signal lines for supplying signal currents to respective pixel circuits having light emitting elements are arranged. A signal line driving circuit generates, on a signal line, a signal current...
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