| Patent Number |
Title Of Patent |
Date Issued |
| 6783417 |
Display device formed of a multi-color light emitting material and method of making same |
August 31, 2004 |
| A display device consisting of a multi-color light emitting layer and method of depositing the multi-color light emitting layer over a glass substrate are provided. The display device consists of multiple light emitting materials deposited over a glass substrate in coplanar relations |
| 6756963 |
High contrast LCD microdisplay |
June 29, 2004 |
| An LCD micro display for generating an image of a video signal includes a matrix of pixels arranged in a plurality of rows and a plurality of columns, which are selectively energized to create the image. The rows are connected to a row select circuit for energizing each of the rows in |
| 6717561 |
Driving a liquid crystal display |
April 6, 2004 |
| The present invention includes methods and apparatus for driving a cholesteric display system using a dynamic drive scheme. The dynamic drive scheme is used to drive the electrodes of the cholesteric display in order to provide desired pixel states. Pixel states are controlled by the |
| 6714179 |
System and method for actuating a liquid crystal display |
March 30, 2004 |
| A matrix of liquid crystal pixels (22) is provided. A digital-to-analog converter (DAC) (102, 114, and 126) is coupled to the matrix and produces an output voltage that can be applied to one or more pixels in the matrix. The DAC (102, 114, and 126) receives a calibrated multi-bit digital |
| 6700557 |
Electrode border for spatial light modulating displays |
March 2, 2004 |
| A display device operable to generate images and a border image is disclosed. The display device in one example of the invention comprises an electrode structure coupled to a spatial light modulator display layer. The electrode structure is configured to define an active display area. |
| 6693613 |
Asymmetric liquid crystal actuation system and method |
February 17, 2004 |
| A liquid crystal display (LCD) system, comprising a matrix of pixels, actuates each pixel by applying positive and negative voltage differences across a liquid crystal layer. The liquid crystal layer is parallel to a transparent cover. The transparent cover is adjacent to a cover electro |
| 6686977 |
Liquid crystal on silicon device |
February 3, 2004 |
| A liquid crystal on silicon device comprises a mirror layer comprising a plurality of mirror electrodes, a passivation layer formed on the surface of the mirror layer comprising a plurality of openings to the mirror electrodes, and a liquid crystal layer being arranged on top of the |
| 6636287 |
Display systems with pixel electrodes at different distances from a control electrode |
October 21, 2003 |
| This application deals with display systems which include pixel electrodes that control an electro-optic layer. In one exemplary embodiment, a display system includes an electro-optic layer, a first electrode which has a substantially flat surface and is operatively coupled to the el |
| 6618031 |
Method and apparatus for independent control of brightness and color balance in display and illu |
September 9, 2003 |
| A drive circuit for a time sequential color LED based display device allows the overall brightness of a display device to be adjusted without affecting the color balance. The circuit includes a boost switching converter, which provides constant power to each of a plurality of differe |
| 6603443 |
Compact display system controlled by eye position sensory system |
August 5, 2003 |
| A compact virtual image electronic display system including a beamsplitting magnification optic on which a source object is projected, the beamsplitting magnification optic having a refractive surface and a partially reflective surface for magnifying and reflecting the source object |
| 6587172 |
Controlled angle retarder with liquid crystal cell bias tuned for a sequence of wavelengths |
July 1, 2003 |
| A controlled angle retarder and method for making same is presented. In one embodiment, the invention is a liquid crystal display. The liquid crystal display includes a liquid crystal cell having an extraordinary axis. The liquid crystal display also includes a first retarder connected t |
| 6563648 |
Compact wide field of view imaging system |
May 13, 2003 |
| The present invention provides an enhanced viewing eyepiece for a micro-display. In one embodiment, the invention is an optical imaging system that includes a prism having a first face directed toward a display to receive light from the display and direct it through a second face, a |
| 6542307 |
Compact near-eye illumination system |
April 1, 2003 |
| An enhanced illumination system for a micro-display comprises an illuminator for a reflective display panel having a light source and a prism. The prism has a first substantially planar face proximate to the light source and to the display panel, so that light propagates from the lig |
| 6490104 |
Illumination system for a micro display |
December 3, 2002 |
| A compact and efficient illumination system is provided that is particularly suitable for illuminating a micro display and places the light source within the view of the display. In one embodiment, the illumination system comprises a light source, a package for the light source havin |
| 6488389 |
Image generator having an improved illumination system |
December 3, 2002 |
| The invention provides an illumination system for a head-mounted display. The illumination system includes a plurality of illuminators which irradiate light over an area. The area has a central region where the light has a selective intensity, and outer regions on opposing sides of t |
| 6476415 |
Wafer scale processing |
November 5, 2002 |
| This invention relates to a method of fabricating a light modulation system having a semiconductor substrate. In one exemplary method, an optical layer is applied over a semiconductor substrate which includes a plurality of integrated circuits. Each of these integrated circuits is capabl |
| 6469766 |
Reconfigurable microdisplay |
October 22, 2002 |
| The present invention comprises a flat panel display, such as a liquid crystal microdisplay having a plurality of square and rectangular pixel electrodes that are addressable separately to produce a fine resolution display or addressable in combination to create a lower resolution di |
| 6448962 |
Safety timer to protect a display from fault conditions |
September 10, 2002 |
| An apparatus and method for protecting a display from fault conditions. An oscillator independent of a display clock of a display to be protected is formed on a substrate with the display. The oscillator generates a periodic signal which is used to define a period during which a register |
| 6433935 |
Display illumination system |
August 13, 2002 |
| A virtual image display system is provided which comprises a non-emissive, reflective microdisplay which forms a source object; an optical system which forms a magnified, virtual image of the source object from light reflected off the microdisplay; a light source system which produces li |
| 6414337 |
Aperture frame for liquid crystal display device |
July 2, 2002 |
| Liquid crystal display devices having display screens with an improved black frame is provided. The microdisplay of the LCD is formed of a matrix of pixels disposed on the top surface of a silicon substrate, a layer of glass, and a layer of a reflective metal, preferably aluminum, which |
| 6307612 |
Liquid crystal display element having a precisely controlled cell gap and method of making same |
October 23, 2001 |
| A liquid crystal display cell having improved cell gap uniformity is made by depositing a plurality of spacer particles on the cell substrate then subjecting the substrate to an external energy source to selectively dislodge and remove the larger particles, such as by immersing the s |
| 6284086 |
Apparatus and method for attaching a microelectronic device to a carrier using a photo initiated |
September 4, 2001 |
| A very low stress attachment method for attaching a microelectronic device to a flexible substrate comprises use of a photo initiated anisotropic conductive adhesive, preferably an infrared photo initiated anisotropic paste, which can be applied to the bonding terminals of a microelectro |
| 6177967 |
Voltage tuning of LCD polarization state by varying drive voltage to compensate for optical misa |
January 23, 2001 |
| A method of modifying the polarization state of light exiting a Liquid Crystal Display that is effected without altering the optical image of the display comprises reducing the select voltage to the LCD cell to less than the saturation select voltage. In one embodiment of an apparatus |
| 5993012 |
Optical docking station |
November 30, 1999 |
| An optical docking station comprises an optical frame and a detachable virtual image display module. The display module comprises a low power light source such as a light emitting diode, one or more beam splitters, polarizers, a liquid crystal display panel and an imaging lens. When the |
| 5883684 |
Diffusively reflecting shield optically, coupled to backlit lightguide, containing LED's complet |
March 16, 1999 |
| An LCD backlight (30) comprises generally rectangular parallelepiped light guide (36) with an exit aperture (31) that is smaller than the surface area light guide (36) and illuminates a LCD (49). The light guide is illuminated by a plurality of Light Emitting Diodes (LED) dies (32) d |
| 5585948 |
Dot matrix liquid crystal display with low multiplex ratio with each column electrode connected |
December 17, 1996 |
| A dot matrix liquid crystal display has a low multiplex ratio and utilizes electrode leads which extend between adjacent electrodes on a glass plate substrate in the liquid crystal display. |
