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| Number | Title | Issue Date |
| 7436377 | Display A display is provided with a self-light emitting display unit and includes: first means detecting the maximum value of input signals on each line; second means not only determining which of predetermined plural classes each line belongs to using the maximum value of... | 10/14/2008 |
| 7425073 | Method and apparatus for conserving power in a laser projection display A method and apparatus are provided to controllably reduce power of a laser projection display (LPD). Light is scanned from a laser onto a viewing surface to produce an image thereon, and power used by the laser is reduced used while scanning at least a portion of t... | 09/16/2008 |
| 7411632 | Driving circuit of display element, image display apparatus, and television apparatus A driving circuit for display elements, comprises a modulation circuit that outputs a modulating signal to be applied to wiring to which display elements are connected; and an output circuit that serializes modulation data including height value data for determining... | 08/12/2008 |
| 7411633 | Display apparatus and method for controlling the same A display apparatus includes a control circuit for outputting a timing signal for determining a predetermined time period and a clock signal counted to determine the length of a modulation signal. The display apparatus is capable of switching between a first state i... | 08/12/2008 |
| 7370973 | Displaying optical system and image projection apparatus A compact displaying optical system capable of reducing a speckle noise and a loss of light amount is disclosed. The displaying optical system which projects images using coherent light, comprises a light source which emits the light; and a polarization control unit... | 05/13/2008 |
| 7365713 | Semiconductor device and driving method thereof In a light emitting device, a variation in intensity caused by varying a threshold value of a TFT for supplying a current to a light emitting element for each pixel becomes a burden to an improvement of an image quality of the light emitting device. A voltage equal ... | 04/29/2008 |
| 7331680 | Illumination unit and projection type image display apparatus employing the same An illumination unit with an improved color synthesis prism, which can synthesize light beams emitted from compact light sources, and a projection type image display apparatus employing the illumination unit. The illumination unit includes first, second, and third l... | 02/19/2008 |
| 7321464 | Electroluminescent light source and display incorporating same A brightness enhanced reflective polarizer includes a reflective polarizer and a structured surface material. ... | 01/22/2008 |
| 7282719 | Image pickup apparatus and radiation image pickup apparatus A reset method of a conversion element is improved, and the simplification of wiring and the improvement of an open area ratio of the conversion element by means of an image pickup apparatus including a plurality of pixels arranged on an insulating substrate, each o... | 10/16/2007 |
| 7259755 | Method and apparatus for driving liquid crystal display panel in inversion A method and apparatus for driving a liquid crystal panel in a line-inversion system is disclosed. In the method, at least one pixel block each of which includes at least two data lines within the liquid crystal panel is set. The adjacent pixels in a gate line direc... | 08/21/2007 |
| 7233322 | Display panel drive circuit To reduce degradation of image quality when constructing anode line drive circuits in a display panel drive circuit from a plurality of IC chips. Dummy drive output and proper drive output of an adjoining IC chip are switched in predetermined cycles and supplied to ... | 06/19/2007 |
| 7227581 | Method and apparatus for processing video pictures, in particular for large area flicker effect reduction Plasma Display Panels (PDP) are becoming more and more interesting for TV technology. Due to the larger size of PDPs, with larger viewing angle the large area flicker effect will become more serious in the future, in particular when handling 50 Hz video standards. T... | 06/05/2007 |
| 7216986 | Color separating and mixing element, video light producing device, and projection type video display A color separating and mixing element comprises, in its transparent cube, a first optical function surface formed on a dividing surface for dividing the cube into two triangular prisms and a second optical function surface formed on another dividing surface. The fir... | 05/15/2007 |
| 7164405 | Method of driving liquid crystal panel and apparatus A method and apparatus of driving a liquid crystal panel to prevent an image distortion and a non-uniform phenomenon in the light transmissivity caused by propagation delay in a scanning wiring of the liquid crystal panel. Data signal voltages are supplied to a sign... | 01/16/2007 |
| 7138972 | Liquid crystal element drive method, drive circuit, and display apparatus A multiplex driving method and driving apparatus are provided for a liquid crystal display device having a liquid crystal layer disposed between a pair of substrates, a plurality of row electrodes arranged on one of the substrates and a plurality of column electrode... | 11/21/2006 |
| 7133009 | Capacitively switched matrixed EL display The present invention provides a multiplexed matrix alternating current electroluminescent display, comprising an array of matrix addressed capacitively switchable electroluminescent pixels, with each capacitively switchable electroluminescent pixel including an ele... | 11/07/2006 |
| 7119773 | Apparatus and method for controlling gray level for display panel An apparatus and method for controlling a gray level for a display panel driven by a plurality of scan line signals and a plurality of data line signals is characterized in that some bits of the respective data are pulse amplitude modulated and the other bits are pu... | 10/10/2006 |
| 7066606 | Output stabilization for a laser matrix A projection device comprises a matrix (1) of semiconductor lasers, an optical system (2) for projecting the matrix (1) on an element (3) illuminated by the projection device, and a control device (9) for controlling the semiconduc... | 06/27/2006 |
| 7064733 | Flat-panel display with luminance feedback An image display, includes a substrate; a light emitter formed on the substrate; and a photo-sensor formed on the substrate and optically coupled directly to the light emitter. ... | 06/20/2006 |
| 7042432 | Thin-film transistor circuit and a semiconductor display using the same To provide thin-film transistor circuits used for a driving circuit that realizes a semiconductor display capable of producing an image with high resolution and high precision without image unevenness. TFTs with small channel widths are used to form an analog... | 05/09/2006 |
| 6995737 | Method and system for adjusting precharge for consistent exposure voltage A method and system for controlling a voltage used for precharging current-driven elements in a matrix, and a method of manufacturing a device to perform this function. Elements are driven during successive scan cycles, each having a precharge period and an exposure... | 02/07/2006 |
| 6952195 | Image display device The image display device includes a liquid crystal display device having a liquid crystal panel and a backlight and a backlight controller for allowing the backlight of the liquid crystal display device to be bright when environment light is bright and allowing the ... | 10/04/2005 |
| 6943784 | Control circuit of panel brightness A control circuit of panel brightness is disclosed. After a user adjusts a brightness volume control, the brightness volume control will output an adjusting signal. The control circuit of this invention includes a pre-stage circuit, a first brightness control circui... | 09/13/2005 |
| 6674490 | Light source for a digital image projection system A light source for a digital image projection system with a thin-film resonant microchamber comprising a plurality of image-generating light sources. The light images generated from the plurality of light sources are combined and projected onto a projecti... | 01/06/2004 |
| 6604683 | Bar code registration of optically addressed photo-luminescent displays An optically addressed photo luminescent display having a printed bar code pixel identifier on an internal side for providing feedback of scanning beam to pixel registration.... | 08/12/2003 |
| 6417833 | Liquid crystal display apparatus and method for lighting backlight thereof In the liquid crystal display, a first backlight and a second backlight are provided and lightened simultaneously. Among all the lamps constituting the backlight, those lamps outputting oscillation waves in one phase are made equal or nearly equal in numb... | 07/09/2002 |
| 6333766 | Tone display method and apparatus for displaying image signal A tone display method for displaying a tone of an image in a display system which divides a time width of a field of an image signal into a plurality of weighted subfields and controls operation of the subfields. The tone display method includes the steps... | 12/25/2001 |
| 6100939 | Tone display method and apparatus for displaying image signal A intra-field time division tone display method for dividing the time width in a field of a TV signal into a plurality of subfields in the pixel storing time direction and displaying the TV image by controlling the presence or absence of light emission of... | 08/08/2000 |
| 6020938 | Matrix-type display device A matrix-type display device is a liquid crystal device having 240 vertical lines on a display screen, and is provided with a driving circuit which writes a signal simultaneously into two vertical lines in one in every three scanning lines of an EDTV2 sig... | 02/01/2000 |
| 5838119 | Electronic charge store mechanism A charge storage target (66) comprising an electron collector mesh (112) and a plurality of column conductors (86) affixed to a substrate (74) is bombarded with electrons from a row addressed array (12). The array (12) comprises a monolithic electrode (20... | 11/17/1998 |
| 5635988 | Apparatus and method for maintaining synchronism between a picture signal and a matrix scanned array A monolithically integratable display apparatus for receiving a picture signal having frames of video information and horizontal and vertical synchronizing components includes a matrix of display cells arranged in an array of M rows by N columns. Display ... | 06/03/1997 |
| 5335023 | Multi-standard video matrix display apparatus and its method of operation In a matrix display apparatus for displaying video signal of two or more different standards, such as PAL and NTSC standards comprising a display panel (10), for example, a liquid crystal display panel, having a row and column array of picture elements (1... | 08/02/1994 |
| 5172104 | Display device An active display device with picture elements (9) arranged in a matrix is driven via active switches (1). Part of the picture electrodes (9) are driven via light per actuated switches (9) between the picture electrodes and a read-out electrode (5).... | 12/15/1992 |
| 5003388 | Apparatus for displaying a video signal An apparatus for displaying a video signal has a plurality of display elements corresponding to one standard of the television signal disposed in an X-Y matrix shape. The apparatus includes a separator for separating a sync signal from an input video sign... | 03/26/1991 |
| 4763187 | Method of forming images on a flat video screen A device and method for formation of images with flat video screens by a line- and column-addressed point matrix. Field point matrix uses field emission micro tips as fluorescent screen portions being connected in columns. An electric field is applied bet... | 08/09/1988 |
| 4716406 | Sequential selection circuit A protective circuit for a sequentially selecting circuit which selects a series of circuit element electrodes one by one with signals which are generated by a shift register. The invention includes a counter for generating a count output corresponding to... | 12/29/1987 |
| 4654715 | Flat screen display system using a two-dimension surface acoustic wave (SAW) scanning A flat screen display system uses a two-dimension surface acoustic wave ("SAW") scanning. The flat screen is made of a piezoelectric substrate coated with a layer of piezoluminophor powder. Four SAWs having two by two nonparallel directions are launched a... | 03/31/1987 |
| 4649432 | Video display system A video display system is disclosed, which includes a display device including a plurality of display cells arranged in an X-Y matrix form, a video signal source for supplying a digital video signal, a pulse width modulator connected to the video signal s... | 03/10/1987 |
| 4635127 | Drive method for active matrix display device A method of driving an "active matrix" display device which is driven by scanning signals to sequentially store and display image signal data by successive rows of picture elements, incorporating for example liquid crystal display elements, whereby the im... | 01/06/1987 |
| 4581654 | Portable television receiver of the panel type A portable television reciever of the panel type, having a pocketable size, is provided with about 1/8 the number of scanning electrodes as effective T.V. picture scanning lines, and a panel type picture display device with a double matrix array in which ... | 04/08/1986 |
