Did You Know...
...that Thomas Edison's patent application on his phonograph was approved by the Patent Office in just seven weeks? In contrast, it took Gordon Gould, the inventor of the laser, 30 years to obtain his patent -- finally awarded in 1988!
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| Number | Title | Issue Date |
| 7321355 | Liquid crystal display A liquid crystal display replaces the common electrodes of a conventional LCD with a plurality of switch electrodes. The plurality of switch electrodes is grouped into several switch electrode sets. Each of the switch electrode sets' potential is modulated by a diff... | 01/22/2008 |
| 7304641 | Timing generator of flat panel display and polarity arrangement control signal generation method therefor Disclosed is a timing generator of panel display and polarity arrangement control signal generation method therefor. The timing generator comprises a storage unit for storing a plurality of sets of polarity data and corresponding PAC signals, an operation unit for r... | 12/04/2007 |
| 7292222 | Template type electrophoretic display and method of manufacturing the same An electrophoretic display and a method of manufacturing the electrophoretic display are provided. The electrophoretic display includes an lower electrode formed on an under layer, an lower electrode protection layer formed on the lower electrode, an insulating temp... | 11/06/2007 |
| 7227510 | Method and apparatus for seamless integration of images using a transmissive/reflective mirror An integrated display system includes multiple displays and a transmissive/reflective mirror with a mirror face. Images from display areas of one or more displays are passed through the mirror face and provided to a viewer. Images from display areas of one or more d... | 06/05/2007 |
| 7199773 | Magnetic liquid display panel A magnetic display panel includes strips of first electrodes arranged in a first direction on an inner surface of a rear plate. Strips of second electrodes are arranged in a second direction, perpendicular to the first electrodes, and insulated from the first electr... | 04/03/2007 |
| 7173605 | Method and apparatus for providing projected user interface for computing device Apparatus and techniques for providing a user interface for a computing device such as a pervasive computing device. The computing device projects a user input display from a projector onto a surface. A user output display is projected from the projector of the comp... | 02/06/2007 |
| 7170470 | Methods and apparatus for subjecting an element to an electrical field The invention includes providing a display by moving a colorant particle, having an electric charge, inside a channel of a body in a direction that is substantially parallel to a direction of extension of the channel and a direction of incoming illumination rays. Th... | 01/30/2007 |
| 7133183 | Micro-optics solar energy concentrator Due to an ever growing shortage of conventional energy sources, there is an increasingly intense interest in harnessing solar energy. The instant invention can contribute to the goal of achieving environmentally clean solar energy to be competitive with conventional... | 11/07/2006 |
| 7130102 | Dynamic reflection, illumination, and projection This invention deals with the broad general concept for dynamic reflection, illumination and direct image projection. A mini-optics reflection and focussing system is presented that ranges from interior illumination, to exterior illumination, to large scale space ba... | 10/31/2006 |
| 7116295 | Method and system for testing driver circuits of amoled A method and a system for testing a plurality of driver circuits of an AMOLED before OLEDs are formed are provided. Each driver circuit includes a terminal, which is connected to an OLED after the OLED is formed, and is connected to a test element to form an electri... | 10/03/2006 |
| 7030843 | Liquid crystal display with multi-frame inverting function and an apparatus and a method for driving the same A liquid crystal display (LCD) device, can include a timing controller with a multiframe inversion driving portion for modulating an REV signal that designates a polarity of a data voltage for switching the polarity of liquid crystals on an LCD panel with respect to... | 04/18/2006 |
| 7027030 | Magnetic display A magnetic display has two non-magnetic substrates, at least one of which is transparent; and a microcapsule coating layer is applied between the non-magnetic substrates. The microcapsules contain and seal light-absorptive black magnetic fine particles and light-ref... | 04/11/2006 |
| 7019889 | Method and circuit for driving electrophoretic display and electronic device using same An active matrix electrophoretic display is driven. In a reset period Tr a reset voltage is applied to each pixel electrode. Next, in a writing period an applied voltage is applied to each of said pixel electrode during a time period corresponding to a gradation val... | 03/28/2006 |
| 7002533 | Dual-stage high-contrast electronic image display Electronic displays are provided which can reproduce image data with high contrast ratios and a gray scale range comparable to conventional X-ray film viewed on a light box. One such display includes a rear low-resolution LCD or DLP display which projects an image o... | 02/21/2006 |
| 6989935 | Optical arrangements for head mounted displays A head mounted display is disclosed that utilizes a single video display screen to transport images to both eyes. The image of this display screen is focused in order to reduce the splitting volume and then split by a plurality of reflective surfaces located near th... | 01/24/2006 |
| 6970155 | Optical resonant gel display A white or colored thixotropic gel is used in conjunction with an electro-mechanical addressable X-Y pixel array composed of micro-magnet pairs in order to produce a re-writable display surface for forming images. Images are formed on the surface of this display by ... | 11/29/2005 |
| 6894677 | Electromagnetophoretic display system and method The present invention comprises an electromagnetophoretic ink material for use as electronic and magnetic display elements. In particular, the present invention relates to the preparation and use of microencapsulated aspect elements having both an electrostatic laye... | 05/17/2005 |
| 6888583 | Method and apparatus for adjusted DC offset potential in a liquid crystal display (LCD) device Methods and apparatus for adjusting or reducing intrinsic DC offset potential in a Liquid Crystal Display (LCD) are taught. The methods allow the upper and lower assemblies of the LCD device to be manufactured with selected materials while achieving adjusted or redu... | 05/03/2005 |
| 6879314 | Methods and apparatus for subjecting an element to an electrical field The invention includes providing a display by moving a colorant particle, having an electric charge, inside a channel of a body in a direction that is substantially parallel to a direction of extension of the channel and a direction of incoming illumination rays. Th... | 04/12/2005 |
| 6847347 | Electromagnetophoretic display system and method The present invention comprises an electromagnetophoretic ink material for use as electronic and magnetic display elements. In particular, the present invention relates to the preparation and use of microencapsulated aspect elements having both an electrostatic laye... | 01/25/2005 |
| 6806925 | Manufacturing method of liquid crystal display device The irregularities of coloring concentration which is generated between dyed media when a color filter substrate which is prepared in a manufacturing method of a liquid crystal display device is manufactured by supplying ink to dyed media formed on a main surface of... | 10/19/2004 |
| 6765545 | Stereoscopic image display system using polarization characteristics of a liquid crystal device panel The present invention relates to a stereoscopic image display system using polarization characteristics of a liquid crystal display panel, which realizes a stereoscopic image by disposing in an entrance pupil or in an exit pupil of a projection lens a polarization p... | 07/20/2004 |
| 6750843 | Display device Provided is a stable display device. The display device includes a pair of substrates that face each other, a spacer formed on one of the pair of substrates, a resin to fix one end of the spacer adjacent to the other substrate to the other substrate, and first and s... | 06/15/2004 |
| 6741225 | Device for generating an image In order to provide a device for generating an image on an image surface with N×M image elements which can be illuminated individually, comprising a plurality of semiconductor radiation sources, each of which generates radiation with at least one color, an optical ... | 05/25/2004 |
| 6650462 | Method and circuit for driving electrophoretic display and electronic device using same An active matrix electrophoretic display is driven. In a reset period Tr a reset voltage is applied to each pixel electrode. Next, in a writing period an applied voltage is applied to each of said pixel electrode during a time period corresponding to a gr... | 11/18/2003 |
| 6642913 | Light modulation element, exposure unit, and flat-panel display unit A light modulation element which has a light guide body 11 for guiding light from a light source and a flexible thin film 12 having a phosphor 13 being provided facing the light guide body 11. The distance between the flexible thin film 12 and the light g... | 11/04/2003 |
| 6456272 | Field addressed displays using charge discharging in conjunction with charge retaining island structures The invention is an electric reusable paper sheet that uses a pattern of conductive charge-retaining islands on the outward-facing side of the first of two thin layers used to encapsulate a Electric reusable paper substrate which interact with conductive ... | 09/24/2002 |
| 6440252 | Method for rotatable element assembly Methods and systems consistent with the present invention can be used to assemble composite rotatable-element components and can be used to form a laminate substrate system, and use a plurality of rotatable-element components or rotatable-element componen... | 08/27/2002 |
| 6421035 | Fabrication of a twisting ball display having two or more different kinds of balls A method of making a substrate in which sets of optically anisotropic spheroidal balls are disposed, as for use in an electrical twisting ball display. First and second sets of spheroidal balls, are deposited on a receiving surface composed of an elastome... | 07/16/2002 |
| 6348905 | Led display apparatus An LED display apparatus includes an LED display module, an inner frame member, and a supporting unit. The LED display module has an array of light emitting diodes mounted thereon, and a longitudinal axis. The inner frame member is disposed to confine the... | 02/19/2002 |
| 6348907 | Display apparatus with digital micromirror device A display apparatus includes a digital micromirror device and red, green and blue lamps which illuminate it. The light from the lamps impinges on the DMD from at least two different directions. The lamps may be flash tubes which are fired at different bin... | 02/19/2002 |
| 6340965 | Modifiable display having fixed image patterns Selected regions of an electronically modifiable display are fixed while other regions are left electronically modifiable. The selected regions are fixed by various methods including subjecting the selected regions to heat, light or pressure. In some embo... | 01/22/2002 |
| 6236383 | Liquid crystal display device and method for driving the same A liquid crystal display device includes a liquid crystal layer, a row signal line, a column signal line, and a magnetic memory element, the row signal line and the column signal line being formed on one side or opposing sides of the liquid crystal layer.... | 05/22/2001 |
| 6222513 | Charge retention islands for electric paper and applications thereof The invention is an electric paper sheet that uses a pattern of conductive charge-retaining islands on the outward-facing side of the first of two thin layers used to encapsulate a Gyricon sheet. The second encapsulating layer may also coated with a condu... | 04/24/2001 |
| 6181307 | Photo-cathode electron source having an extractor grid A photo-cathode electron source suitable for use in flat panel displays has an extractor grid means (104) maintained, in use, at a positive potential with respect to the photo-cathode surface. The extractor grid may be used as a carrier for unfired photoe... | 01/30/2001 |
| 6020866 | Method and display panel for displaying color image A color image is displayed by using a display panel with a color pattern layer which is formed on one side of a transparent substrate and has, for example, three separate sets of transparent pixel areas in red, green and blue colors which constitute a reg... | 02/01/2000 |
| 5948321 | Magnetic fluid thin film displays, monochromatic light switch and tunable wavelength filter Methods for preparing homogeneous magnetic fluid compositions capable of forming ordered one dimensional structures or two dimensional lattices in response to externally applied magnetic fields are disclosed. The compositions are prepared using improved c... | 09/07/1999 |
| 4893903 | Flashing advisory sign A apparatus for providing a motorist advisory function similar to that of a flashing illuminated advisory sign, the apparatus having an electrically operable optical shutter positioned by means of a frame between one or more message signs and a viewing re... | 01/16/1990 |
| 4661809 | Magneto-optic chip with gray-scale capability Methods of operation and details of chip design to realize gray-scale capability in magneto-optic chips. Individual pixels are operated in three states by the addition of a stripped state to the usual stable magnetized states in either direction. Varying ... | 04/28/1987 |
| 4575722 | Magneto-optic display A display adapted to be helmet-mounted or used for projecting and having the multi-mode capability of full three-primary color displays; gray scale or halftones; stereo imagining; image processing; split-screen operation; blink comparator; see-through, he... | 03/11/1986 |
