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| Number | Title | Issue Date |
| 8149374 | Cholesteric liquid crystal display devices with actuating thin-film driving elements Cholesteric liquid crystal display (Ch-LCD) devices with actuating thin-film driving elements are presented. The Ch-LCD device includes a first substrate and an opposing second substrate. An actuating thin-film structure is disposed on the first substrate. A cholest... | 04/03/2012 |
| 8120746 | Display panel and display device having medium whose optical anisotropy magnitude changes according to electric field A display panel includes (i) a first substrate and a second substrate, which face each other, (ii) a medium layer being sandwiched between the first and second substrate, and (iii) first electrodes and second electrodes being provided on that side of the first subst... | 02/21/2012 |
| 7956980 | Liquid crystal device with bi- or multistable alignment gratings A liquid crystal device is described that comprises a layer of liquid crystal material contained between a first cell wall and a second cell wall. The layer of liquid crystal material being switchable between at least a first state and a second state, said first sta... | 06/07/2011 |
| 7843547 | Optically compensated bend mode liquid crystal display devices and fabrication methods thereof The invention relates to optically compensated bend (OCB) mode liquid crystal display devices and fabrication methods thereof. The OCB mode liquid crystal display includes a first substrate, a second substrate and a liquid crystal layer interposed therebetween. A fi... | 11/30/2010 |
| 7463329 | Materials for freezing light Recent theoretical investigations have predicted the existence of axially frozen modes that arise when light is incident upon an anisotropic two-dimensional photonic crystal. Such electromagnetic modes are of interest since they suggest a near-zero group velocity wi... | 12/09/2008 |
| 7430351 | Non-linear femtosecond pulse filter with high contrast The invention relates to a non-linear optical filter capable of transmitting an electromagnetic pulse with a duration of less than about 1 picosecond, provided with means for generating an electromagnetic field E with a linear polarization from this pulse, and with ... | 09/30/2008 |
| 7372480 | Non-lithographic photo-induced patterning of polymers from liquid crystal solvents with spatially modulated director fields A liquid crystal device comprises a first and second cell wall structure; at least one liquid crystal material disposed within a space between the first and second cell wall structures; and polymer micro-structures, wherein the micro-structures are formed by polymer... | 05/13/2008 |
| 7329368 | Temperature compensating chiral dopants The present invention relates to a chiral compound, and an article utilizing the same, represented by the following structures I-1, I-2, I-3, or 1-4: wherein the chiral compound demonstrates thermochromic tempera... | 02/12/2008 |
| 7327433 | Display element, display device, and manufacturing method of display element Each of a pair of substrates respectively comprises an electrode and a rubbed alignment film on one surface, while the other surface is provided with a polarizer. The substrates are placed so that the surfaces provided with the alignment films are opposed to each ot... | 02/05/2008 |
| 7312794 | Methods for driving electro-optic displays, and apparatus for use therein A bistable electro-optic display has a plurality of pixels, each of which is capable of displaying at least three gray levels. The display is driven by a method comprising: storing a look-up table containing data representing the impulses necessary to convert an ini... | 12/25/2007 |
| 7312906 | Switchable polymer-dispersed liquid crystal optical elements Transmission and reflection type holograms may be formed utilizing a novel polymer-dispersed liquid crystal (PDLC) material and its unique switching characteristics to form optical elements. Applications for these switchable holograms include communications switches... | 12/25/2007 |
| 7282245 | Device with multiple liquid crystal layers A device composed of: (a) a first liquid crystal composition including a first liquid crystal and a first liquid crystal domain stabilizing compound, wherein the first liquid crystal composition switches between a strongly scattering state of a first plurality of sm... | 10/16/2007 |
| 7274418 | Method and system for improving the contrast of LCDs using circular polarization A display device displays images with reduced glare from external incident light. The device includes a back light located on a bottom surface of the display device to provide internal light. Moreover, the device includes an internal circular X-polarizer located ext... | 09/25/2007 |
| 7265903 | Switchable polymer-dispersed liquid crystal optical elements Transmission and reflection type holograms may be formed utilizing a novel polymer-dispersed liquid crystal (PDLC) material and its unique switching characteristics to form optical elements. Applications for these switchable holograms include communications switches... | 09/04/2007 |
| 7265882 | Switchable polymer-dispersed liquid crystal optical elements Transmission and reflection type holograms may be formed utilizing a novel polymer-dispersed liquid crystal (PDLC) material and its unique switching characteristics to form optical elements. Applications for these switchable holograms include communications switches... | 09/04/2007 |
| 7259744 | Dielectrophoretic displays A dielectrophoretic display comprises a substrate having walls defining at least one cavity, the cavity having a viewing surface and a side wall inclined to the viewing surface; a suspending fluid contained within the cavity; a plurality of at least one type of part... | 08/21/2007 |
| 7256915 | Switchable polymer-dispersed liquid crystal optical elements Transmission and reflection type holograms may be formed utilizing a novel polymer-dispersed liquid crystal (PDLC) material and its unique switching characteristics to form optical elements. Applications for these switchable holograms include communications switches... | 08/14/2007 |
| 7245282 | Addressing multistable nematic liquid crystal devices A method of addressing bistable nematic liquid crystal devices is provided. The method is suitable for implementation using commercially available STN drivers. The method involves applying one of at least two data waveforms simultaneously to each column electrode wh... | 07/17/2007 |
| 7224345 | Pad computer A computers can include a high-resolution color display, built-in keypad, wireless LAN connection, hi-fidelity audio system, and a multi-gigabyte disk drive. The screen can be formed in a top face of a computer and a keypad can be a split on opposite sides of the sc... | 05/29/2007 |
| 7218299 | Liquid crystal display apparatus This invention is directed to a liquid crystal display apparatus which includes a liquid crystal display element, and a driving device for driving the display element by simple matrix driving. The display element includes a liquid crystal layer exhibiting a choleste... | 05/15/2007 |
| 7211301 | Liquid crystal compositions including non-dipolar monomer A liquid crystal composition including: (a) a liquid crystal; and (b) a polymerized liquid crystal domain stabilizing compound comprising a dipolar monomer and a non-dipolar monomer. ... | 05/01/2007 |
| 7198737 | Electrically switchable polymer-dispersed liquid crystal materials including switchable optical couplers and reconfigurable optical interconnects A new photopolymerizable material allows single-step, fast recording of volume holograms with properties that can be electrically controlled. A method for preparing a switchable grating can comprise the steps of placing a mixture between a first and second slide, wh... | 04/03/2007 |
| 7193667 | Liquid crystal display panel implementing bistable liquid crystal and method of fabricating the same A liquid crystal display panel implementing a bistable liquid crystal and fabricating the same is disclosed in the present invention. Specifically, a method of fabricating a liquid crystal display panel having first and second substrates, the method includes forming... | 03/20/2007 |
| 7193625 | Methods for driving electro-optic displays, and apparatus for use therein A method for addressing a bistable electro-optic display having at least one pixel comprises applying an addressing pulse to drive the pixel to a first optical state; leaving the pixel undriven for a period of time, thereby permitting the pixel to assume a second op... | 03/20/2007 |
| 7190427 | Reflective plate, production method therefor, liquid crystal device, and electronic device The invention provides a thin reflective plate having cholesteric liquid crystal that can prevent or reduce a decrease of reflection efficiency. A reflective plate includes a cholesteric liquid crystal layer, and the cholesteric liquid crystal layer includes a plura... | 03/13/2007 |
| 7186567 | Device and method for detection and identification of biological agents A method of sensing an environmental agent, comprising obtaining a sample from the environment and transferring the sample into the working fluid for dispensation to a detection module. The sample and working fluid mixture is filtered through a porous polymer Bragg ... | 03/06/2007 |
| 7175780 | Tailoring material composition for optimization of application-specific switchable holograms The process described herein offers the optimizing of performance parameters of holograms, such as reducing scattering effects in a polymer-dispersed liquid crystal optical element. In the process, an interfacial tension agent is added to a polymer-dispersed liquid ... | 02/13/2007 |
| 7145538 | Liquid crystal display device and method for driving a liquid crystal display A liquid crystal display device which carries out matrix driving of a liquid crystal layer by applying AC pulses to the liquid crystal layer through a plurality of scan electrodes and a plurality of data electrodes which face and cross each other. A method of drivin... | 12/05/2006 |
| 7123335 | Reflective liquid crystal display with infrared reflection A display sheet is disclosed comprising, a substrate, first transparent conductors, second conductors and, between first and second conductors, at least one imaging layer comprising a substantial monolayer of isolated domains of liquid-crystal material, dispersed in... | 10/17/2006 |
| 7119771 | Liquid crystal display apparatus Disclosed herein is a liquid crystal display apparatus comprising: a liquid crystal display element composed of a liquid crystal layer and having a plurality of pixels arranged in a matrix pattern; and a driver for dividing one frame into plural fields and interlace... | 10/10/2006 |
| 7116287 | Drive for cholesteric liquid crystal displays Apparatus for driving a cholesteric liquid crystal display wherein the display includes cholesteric liquid crystals having a first planar reflective state and a second transparent focal conic state, which is respectively responsive to different applied fields; an ad... | 10/03/2006 |
| 7095466 | Diffusively reflective circular polarizer formed by thermo phase separation The present invention relates to a circular polarizer, more specifically, to a diffusively reflective circular polarizer (DRCP), which is characterized by broadband reflection and transmission over a hemispheric viewing angle. A thermo phase separation process of a ... | 08/22/2006 |
| 7081215 | Electrically switchable polymer-dispersed liquid crystal materials including switchable optical couplers and reconfigurable optical interconnects A new photopolymerizable material allows single-step, fast recording of volume holograms with properties that can be electrically controlled. Polymer-dispersed liquid crystals (PDLCs) in accordance with the invention preferably comprise a homogeneous mixture of a ne... | 07/25/2006 |
| 7077984 | Electrically switchable polymer-dispersed liquid crystal materials A method for preparing electro-optical polymer-liquid crystal photonic crystals, comprising: disposing between at least two optically transparent electrode plates, a polymer-dispersed liquid crystal material that comprises, before exposure: ... | 07/18/2006 |
| 7079218 | Optically compensated birefringence mode liquid crystal display device having specific retardations in splay and bend states and method of fabricating the same An optically compensated birefringence mode liquid crystal display device includes first and second substrates facing and spaced apart from each other, a liquid crystal material layer between the first and second substrates, the liquid crystal material layer having ... | 07/18/2006 |
| 7072020 | Controlling haze in holographically polymerized polymer dispersed liquid crystal optical elements Described herein are the materials, mechanisms and procedures for optimizing various performance parameters of HPDLC optical devices in order to meet differing performance requirements. These optimization tailoring techniques include control and independent optimiza... | 07/04/2006 |
| 7068405 | Switchable polymer-dispersed liquid crystal optical elements Transmission and reflection type holograms may be formed utilizing a novel polymer-dispersed liquid crystal (PDLC) material and its unique switching characteristics to form optical elements. Applications for these switchable holograms include communications switches... | 06/27/2006 |
| 7068250 | Addressing multistable nematic liquid crystal device A method of addressing multistable nematic liquid crystal devices, in particular bistable nematic liquid crystal devices is provided. The method is a line at a time addressing scheme where one of at least two data waveforms is applied simultaneously to each of the c... | 06/27/2006 |
| 7042536 | Liquid crystal display element A liquid crystal display element has a liquid crystal layer made of cholesteric liquid crystal and a circularly polarizing plate for circularly polarizing light. The liquid crystal layer has the following relation: d/p>1.5 where d is a thi... | 05/09/2006 |
| 7042435 | Liquid crystal display apparatus A liquid crystal display apparatus has a liquid crystal display with a plurality of pixels arranged in a matrix, a scanning electrode driver and a signal electrode driver for driving the liquid crystal display, and a controller which controls the scanning electrode ... | 05/09/2006 |
