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| Number | Title | Issue Date |
| 7369471 | Method and system for fluid mediated disk activation and deactivation Embodiments of methods and systems for controlling access to information stored on memory or data storage devices are disclosed. In various embodiments, fluid-mediated modification of information or access to information is utilized. According to various embodiments... | 05/06/2008 |
| 7345733 | Light deflection element, light deflection device and image display device A light deflection element has a pair of transparent substrates 2, 3; a chiral smectic C phase liquid crystal 5 with a homeotropic alignment filled between the pair of transparent substrates 2, 3; and at least an electric field applying device | 03/18/2008 |
| 7342632 | Display element and display device A display element of the present invention includes: a pair of substrates at least one of which is transparent; a medium layer, made of a medium sandwiched between the substrates 1 and 2, whose magnitude of an optical anisotropy is changed by applying ... | 03/11/2008 |
| 7339563 | High performance switchable polarizers for optical projection displays and circuits for driving the polarizers The invention is directed towards high performance switchable polarizers for optical projection displays. One embodiment of the invention is a switchable polarizer with (1) two conductive electrodes and (2) a liquid crystal material that is positioned between the tw... | 03/04/2008 |
| 7215400 | In Plane switching mode liquid crystal display device and method of fabricating the same An in-plane switching mode liquid crystal display device includes a first substrate, a second substrate, ferroelectric liquid crystal layers between the first and second substrates disposed substantially at respective surfaces of the first and second substrates, the... | 05/08/2007 |
| 7212269 | Ferroelectric liquid crystal display A ferroelectric liquid crystal display having alignment films with different surface polarities. The alignment films induce an internal electric field through the liquid crystal. Because of the induced internal electric field, initial liquid crystal alignment, and s... | 05/01/2007 |
| 7209426 | Liquid crystal optical element and optical device The invention is directed to the provision of a liquid crystal optical element, for correcting wavefront aberrations (principally, coma aberration and spherical aberration), that can be mounted separately from an objective lens, and an optical apparatus using such a... | 04/24/2007 |
| 7150788 | Method for manufacturing in-plane lattice constant adjusting substrate and in-plane lattice constant adjusting substrate A method of adjusting the in-plane lattice constant of a substrate and an in-plane lattice constant adjusted substrate are provided. A crystalline substrate (1) made of SrTiO3 is formed at a first preestablished temperature thereon with a first epi... | 12/19/2006 |
| 7033653 | Birefringent marking The invention relates to a birefringent marking comprising a liquid crystal material. The invention further relates to method of providing such a birefringent marking and to the use of the birefringent marking for decorative or security applications. ... | 04/25/2006 |
| 7019811 | Smectic liquid crystal high-contrast control or display device The liquid-crystal switching or display device comprises a chiral smectic liquid-crystal mixture, where the ratio Δ/Θ of the angle between the rubbing direction and the smectic layer normal to the tilt angle in the liquid-crystal mixture is at least 0.41. Preferab... | 03/28/2006 |
| 7019884 | Light modulator with bi-directional drive A spatial light modulator is adapted to receive bidirectional drive signals. ... | 03/28/2006 |
| 6999649 | Optical switches made by nematic liquid crystal switchable mirrors, and apparatus of manufacture Technology for constructing a single layer polarization insensitive electrically switchable liquid crystal mirror is disclosed which serves as the basic element for constructing an optical router switch array in free space as well as waveguide format. The optical ro... | 02/14/2006 |
| 6927825 | Liquid crystal display using liquid crystal with bend alignment and driving method thereof When a transition voltage, which is higher than a display voltage for image display, is applied to liquid crystal, the liquid crystal can transition to a bend alignment. Therefore, by applying a transition voltage to liquid crystal prior to image display period only... | 08/09/2005 |
| 6911238 | Liquid crystal compositions, polarization selective membranes and liquid crystal displays A novel polarization selective membrane is disclosed. The membrane comprises a liquid crystal molecule having a helical structure and selectively transmits specific polarized light and selectively reflects the other polarized light. The helical axis of the helical s... | 06/28/2005 |
| 6888610 | Liquid crystal display device having spontaneous polarization A liquid crystal layer is formed by filling a space between alignment films provided on both glass substrates with a ferroelectric liquid crystal material having a spontaneous polarization. This ferroelectric liquid crystal exhibits a monostable state in which the a... | 05/03/2005 |
| 6642990 | Liquid crystal display element with thresholdless voltage transmittance characteristic A liquid crystal display element including a first electrode substrate having a first transparent substrate, a first electrode formed on the first substrate, and a first alignment layer formed on the first substrate. The liquid crystal display element fur... | 11/04/2003 |
| 6614501 | Electroconductive device having supercooled liquid crystal layer An electroconductive device functioning as, e.g., an organic EL device, is formed of a pair of oppositely disposed electrodes and organic compound layers disposed between the electrodes so as to be supplied with a voltage applied between the electrodes. T... | 09/02/2003 |
| 6600544 | Liquid crystal display device A liquid crystal layer is formed by filing the space between alignment films formed on two glass substrates, respectively, with a ferroelectric liquid crystal having spontaneous polarization. When the maximum charge amount injected to each pixel by the sw... | 07/29/2003 |
| 6537624 | Liquid-crystal film A light-diffusible liquid crystalline film having a fixed cholesteric or chiral smectic C orientation in which the helical axis direction is not uniformly parallel to the film thickness direction, as well as a liquid crystalline film having a fixed choles... | 03/25/2003 |
| 6532051 | Liquid crystal display with nonspecular reflectors The present invention deals with liquid crystal displays where the incident light and reflected light going through the display are not specularly related. The incident light can be at a range of angles to the display while the reflected light, i.e. the v... | 03/11/2003 |
| 6522382 | Liquid crystal display cell and method of operating same A liquid crystal cell includes a liquid crystal layer between upper and lower substrates. A series of insulating ridges forming a monograting structure overlay a first electrode overlaying the lower substrate. The ridges carry second electrodes connected ... | 02/18/2003 |
| 6424387 | Recording medium including liquid crystal layer A device main body is formed portable, which includes (i) an information writing/erasing section which erases information recorded in a liquid crystal paper and returns the liquid crystal paper into an initialized state in which information recording is p... | 07/23/2002 |
| 6351327 | Liquid crystal pixel current sensing for silicon micro displays A liquid crystal pixel current sensing technique is described that increases LC (Liquid Crystal)-based micro display contrast fidelity and lowers production costs. A spatial light modulator has an electro-optical material (such as a liquid crystal layer) ... | 02/26/2002 |
| 6198523 | Ferroelectric liquid crystal light doubler with temperature and voltage controlled tilt angle A ferroelectric liquid crystal-based switchable half-wave plate with improved alignment control, a ferroelectric liquid crystal-based light valve system with improved contrast control, and a method of improving contrast in a ferroelectric liquid crystal-b... | 03/06/2001 |
| 6181407 | Electro-optical material having a lamellar liquid crystal structure An electro-optic material that is characterized by short reaction times when working with a low drive voltage. For that, the electro-optic material has a lamellar liquid crystal (10), which contains one or more components and into which chiral molecules (... | 01/30/2001 |
| 6163311 | Driving method for a distorted helix-ferroelectric liquid crystal cell A driving method comprising providing preparatory pulses to each pixel, which establish a predetermined voltage prior to the data pulses. The preparatory pulses may either unload the pixel to a resulting potential of 0 V or load it to a resulting voltage ... | 12/19/2000 |
| 6139924 | Chiral liquid crystal compounds having a fluorinated terminal portion Novel liquid crystal compounds are provided which exhibit less temperature dependent switching properties, for the reliable and consistent operation of liquid crystal devices. The liquid crystal compounds comprise (a) an achiral fluorochemical terminal po... | 10/31/2000 |
| 6141076 | Spatial light modulators constructed from ferroelectric liquid crystal devices with twisted structure A hybrid analog/binary electro-optic modulator using a twisted ferroelectric liquid crystal structure is provided. Ferroelectric liquid crystals with a tilt angle of between about 20° and about 25°, preferably about 22.5° are used. Rubbing directions f... | 10/31/2000 |
| 6133974 | Liquid crystal display with two areas of liquid crystal with orthogonal initial orientations A ferroelectric liquid crystal display includes a pair of first and second substrates placed substantially in parallel to each other to form a space between the first and second substrates so that a ferroelectric liquid crystal is provided in the space be... | 10/17/2000 |
| 6111631 | Ferroelectric liquid crystal cell with a saturated switching angle or sufficient to give rise to linear liquid crystal domains The commercial production of DHF (Deformed Helix Ferroelectric) cells, in particular DHF color display cells, has scarcely become established to date. This is in particular because the DHF cells required for this purpose and based on the known prior art h... | 08/29/2000 |
| 6097461 | Switchable achromatic polarization rotator This invention provides a liquid crystal achromatic polarization rotator switch, and an achromatic shutter using the rotator switch. The rotator switch requires input light of a fixed orientation and switches between rotating the polarization by zero degr... | 08/01/2000 |
| 5943111 | Layered superlattice ferroelectric liquid crystal display A thin film of ferroelectric layered superlattice material in a flat panel display device is energized to selectively influence the display image. In one embodiment, a voltage pulse causes the layered superlattice material to emit electrons that impinge u... | 08/24/1999 |
| 5932136 | Liquid crystal device and liquid crystal apparatus A liquid crystal device is constituted by a pair of substrates each having thereon an electrode, and a smectic liquid crystal having a plurality of smectic liquid crystal layers disposed between the substrates. The smectic liquid crystal is disposed to fo... | 08/03/1999 |
| 5897189 | Method of manufacturing liquid crystal display element A manufacturing method includes a process of once heating a liquid crystal material to a temperature at which an isotropic phase appears therein and then cooling the liquid crystal material, the liquid crystal material being a ferroelectric liquid crystal... | 04/27/1999 |
| 5888420 | Liquid crystal device and process for preparing the same Disclosed is a liquid crystal device comprising a liquid crystal cell filled with a liquid crystal material capable of exhibiting a smectic phase, said cell including upper and lower substrates each having in order an electrode and an orientation film in ... | 03/30/1999 |
| 5877834 | Smectic liquid crystal element utilizing spontaneous polarization of liquid crystal molecules and polymer, and manufacturing method thereof A polymer having spontaneous polarization with the same codes as liquid crystal is introduced into a liquid crystal layer of the smectic liquid crystal cell so that the responding speed is improved (second liquid crystal cell). In another way, a polymer h... | 03/02/1999 |
| 5844653 | Liquid crystal mixture Disclosed and claimed is a liquid crystal mixture, a liquid crystal device and a display device using the liquid crystal mixture. The liquid crystal display device according to the present invention has improved contrast due to the specific temperature of... | 12/01/1998 |
| 5835248 | Method of making ferroelectric liquid crystal device using particles to create an unevenness on alignment layer or underlying insulating layer A ferroelectric liquid crystal device of a cell structure having a suppressed increase of cell thickness along a cell side is constituted by disposing a ferroelectric liquid crystal between a pair of electrode plates each sequentially provided with an ele... | 11/10/1998 |
| 5781265 | Non-chiral smectic C liquid crystal display A liquid crystal display according to this invention has a pair of transparent electrodes, a non-chiral smectic liquid crystal therebetween, a polarizer and an analyzer which are attached to the electrodes. The smectic layers are perpendicular to the elec... | 07/14/1998 |
| 5726460 | Liquid crystal device A liquid crystal device is constituted by (a) a pair of base plates each having an orientation control film thereon, and (b) a liquid crystal composition interposed between the base plates. The liquid crystal composition comprises a mixture including at l... | 03/10/1998 |
