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Class 349/186 - In nematic phase


Subclass of Class 349 - Liquid crystal cells, elements and systems
Definition: Subject matter wherein the molecular long axes of the liquid
No. of patents: 245
Last issue date: 01/04/2011


1              
NumberTitleIssue Date
7864287Liquid crystal composition, liquid crystal optical device, and method of producing liquid crystal optical device
The present invention provides a liquid crystal optical device showing small haze value in transparent state and being excellent in productivity, a process for producing such a device, and a liquid crystal composition for producing such a device. The liquid c...
01/04/2011
7808604Liquid crystal display device of in-plane switching mode, method of fabricating the same, and method of driving the same
An in-plane switching mode liquid crystal display device includes upper and lower substrates, first and second ferroelectric liquid crystal layers, a nematic system crystal layer, and first and second electrodes. The electrodes and liquid crystal layers are located ...
10/05/2010
7738070Liquid crystal display element
A liquid crystal display element of the present invention is arranged so that a material layer having dielectric anisotropy includes a chiral material and a liquid crystal material with a nematic liquid crystal phase, and 0.25≦d/p≦0.50 is satisfied assuming that...
06/15/2010
7357510Projection-type 3-D image display device using single projector
A projection-type 3-D image display device includes a single display element, a polarization conversion switch, a first image shifter, a second image shifter, a projection lens unit, a mirrored light tunnel, and a screen unit. The screen unit includes an image separ...
04/15/2008
7335405Nematic liquid crystal mixtures for use in bistable display devices
A method of using a liquid crystal composition in a bistable liquid crystal device having a weak zenithal anchoring comprising at least 40% by weight of compounds with strong molecular polarisability and strong dipole moment. ...
02/26/2008
7326450High-speed high-temperature nematic liquid crystal composition and liquid crystal display comprising the same
The present invention relates to a high-speed high-temperature nematic liquid crystal composition and a liquid crystal display comprising the same, particularly to a high-speed high-temperature nematic liquid crystal composition which comprises a nematic liquid crys...
02/05/2008
7314653Liquid-crystal medium and electro-optical display containing same
Disclosed are nematic liquid-crystal media which have an initial current density of 0.05 μA/cm2 or less and a threshold voltage of 1.0 V or less and their use in liquid-crystal displays, preferably TN or STN displays. ...
01/01/2008
7277140Image shifting device, image display, liquid crystal display, and projection image display
The invention provides an image shifting device including at least one image shifting part for periodically shifting the position of an optical axis. The image shifting part includes a liquid crystal device 10 for switching a polarization direction of light b...
10/02/2007
7173587Addressing process and device for a bistable liquid crystal screen
This invention concerns a process for addressing a bistable liquid crystal material screen, characterized in that it comprises at least the step consisting of applying, to the screen column electrodes, an electrical signal whose characteristics are adapted to reduce...
02/06/2007
7167229Liquid crystal display element and projection display device
An active matrix drive type liquid crystal display element capable of preventing deterioration of display capability caused by a stripe domain, and a projection type display device using the liquid crystal display element, by which there is provided a projection typ...
01/23/2007
7123336Twisted nematic liquid crystal material with certain values for dielectric constant anisotropy, twisted elasticity modulus and refractive index anisotropy
An active matrix drive type liquid crystal display element capable of preventing deterioration of display capability caused by a stripe domain, and a projection type display device using the liquid crystal display element, by which there is provided a projection typ...
10/17/2006
7115307Nematic liquid crystal mixtures for bistable display device
Nematic liquid crystal mixtures with weak zenithal anchoring energy for bistable display devices, comprising at least 40% by weight of compounds with strong molecular polarisability and strong dipole moment. ...
10/03/2006
7057680Liquid crystal device having discotic liquid crystal and rod-shaped liquid crystal in mutually separate phases
A liquid crystal device showing performances, such as good viewing angle characteristic, high contrast, high-speed responsiveness, high resolution and high productivity is given by forming a layer of discotic liquid crystal placed in an edge-on and uniaxial alignmen...
06/06/2006
7011870Liquid crystal optical element and method for its production
A liquid crystal/cured composite layer is formed by sandwiching a mixture of a liquid crystal with an uncured curable compound i.e. a curable compound represented by a structure of an acryloyl group-(OR1)n—O-mesogen structural portion-O—(R
03/14/2006
6995824Liquid crystal display device
A liquid crystal display device includes a liquid crystal panel, a polarizer plate that is disposed on an observer side, relative to the liquid crystal panel, a polarizer plate that is disposed to be opposed to the polarizer plate, with the liquid crystal panel inte...
02/07/2006
6927825Liquid 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
6913708Cholesteric liquid crystal drying process and solvent
The invention provides methods of forming a cholesteric liquid crystal layer that include forming a cholesteric liquid crystal composition, depositing the cholesteric liquid crystal composition onto a substrate, and initially drying the cholesteric liquid crystal co...
07/05/2005
6902777Liquid-crystalline medium
A liquid-crystalline mediums which contain one or more compounds of the formula A and at least one compound of the formula B wherein compounds of formula A contain at lea...
06/07/2005
6903796Liquid crystal display device using photo-cured product formed of photo-curing composition having liquid crystal skeletal structure and production method thereof
In an MVA mode liquid crystal display device, a concentration of a photo-cured product by a photo-curing composition having a liquid skeletal structure for liquid crystal molecules upon spray or bend deformation is set to 0.3 to 3 wt %. The liquid crystal skeletal s...
06/07/2005
6885409Cholesteric liquid crystal display system
A display system includes a display arranged to receive an image wise pattern of light to form an image, including, a pair of conductors, at least one conductor being transparent, a layer of cholesteric liquid crystal material disposed between the conductors, the li...
04/26/2005
6885412Liquid crystal display device, image shifting device, and image display apparatus
A liquid crystal display device includes a first substrate, a second substrate opposing the first substrate, a liquid crystal layer provided in a gap between the first substrate and the second substrate, and a temperature adjustment member formed on the first substr...
04/26/2005
6809785Semipermeable liquid crystal display device and manufacturing method thereof
Simplified manufacturing method for active matrix type semipermeable liquid crystal display devices also having improved productivity. In a manufacturing method for an active matrix type semipermeable liquid crystal display device, an interlayered insulator film is ...
10/26/2004
6808763Liquid-crystalline medium
The invention relates to a liquid-crystalline medium which is characterized in that it comprises one or more compounds of the formula A and one more compounds of the formula B ...
10/26/2004
6801291Liquid crystal device that controls disinclination caused by an electric field
The invention provides a liquid crystal device capable of obtaining a bright image with a high display quality by controlling disclination caused by a lateral electric field developed across a space between pixels, or the like. With a liquid crystal display of the p...
10/05/2004
6795155Transflective liquid crystal display device that controls disinclination caused by an electric field
The invention provides a liquid crystal device capable of obtaining a bright image with a high display quality by controlling disclination caused by a lateral electric field developed across a space between pixels, or the like. With a liquid crystal display of the p...
09/21/2004
6784955Optically optimized permanently bistable twisted nematic liquid crystal displays
The structure and construction of a bistable twisted nematic liquid crystal display with very long lifetime are disclosed. The two stable twist states in this display when no voltage is applied have almost infinite lifetimes and do not decay. These two stable twist ...
08/31/2004
6774977Liquid crystal device and display
A surface mode liquid crystal device, for example of the pi-cell type, comprises a layer nematic liquid crystal (10) disposed between alignment layers (4,9) and an electrode arrangement (3,8). The nematic liquid crystal has viscosity coefficient...
08/10/2004
6723393Liquid crystal optical element and method for preparing the same
A liquid crystal/cured composite layer is formed by sandwiching a mixture of a liquid crystal with an uncured curable compound i.e. a curable compound represented by a structure of an acryloyl group—(OR1)n—O-mesogen structural portion-O—(...
04/20/2004
6697144Switchable mirrors and retarders based on imbibed nano-column films
Switchable optical components such as switchable mirrors and variable retarders are fabricated using a unique class of materials. These materials are thin film composites comprising of porous inorganic films imbibed with liquid crystal materials....
02/24/2004
6683717Neutral polarizer and liquid crystal display
A neutral polarizer has a dichroic polarizing sheet and a polarizing and scattering sheet laminated on the dichroic polarizing sheet. The polarizing and scattering sheet has anisotropy in light scattering properties depending on a direction of polarizatio...
01/27/2004
6654093Reflective liquid crystal display of twisted nematic mode with high reflectance ratio
A reflective liquid crystal display device includes: first and second substrates spaced apart and facing each other; a twisted nematic liquid crystal layer sandwiched between the two substrates, the liquid crystal layer having a twist angle and birefringe...
11/25/2003
6649229STN liquid crystal display
The invention relates to supertwist liquid-crystal displays (SLCDs) having very short response times and good steepnesses and angular dependences and to the novel nematic liquid-crystal mixtures employed therein, which are distinguished by the fact that t...
11/18/2003
6600545Twist-nematic liquid-crystal display with electrodes surrounded by background
A twist-nematic liquid crystal display includes a first substrate and a second substrate disposed to oppose to the first substrate with distance d1 therebetween, either one of the first and second substrates being a transparent substrate; a plurality of p...
07/29/2003
6562421Liquid crystal display
A supertwisted nematic liquid crystal display comprising: a pair of substrates each having a liquid crystal orientation-controlling layer and a transparent electrode; a liquid crystal material held between said substrates; and at least one polarizing shee...
05/13/2003
6558759Liquid crystal display device
A liquid crystal display device is formed with a pair of transparent substrates, each substrate having on one of its surfaces a coating of a transparent electrically conducting material which serves as an electrode. A nematic discotic material is sandwich...
05/06/2003
6555186TN and STN liquid-crystal displays
The invention relates to TN and STN liquid-crystal displays and to the novel nematic liquid-crystal mixtures used therein, characterized in that they comprise one or more compounds of the formula I ##STR1## in which R1, R2, A, u, L
04/29/2003
6544602Supertwist liquid-crystal displays and liquid-crystal mixtures therefor
The invention relates to supertwist liquid-crystal displays (SLCDs) having very short response times and good steepnesses and angle dependencies, and to the novel nematic liquid-crystal mixtures used therein, which are distinguished in that they comprise ...
04/08/2003
6531194STN liquid-crystal display
The invention relates to supertwist liquid-crystal displays (SLCDs) having very short response times and good steepnesses and angular dependences and to the novel nematic liquid-crystal mixtures employed therein, which are distinguished by the fact that t...
03/11/2003
6524666Nematic liquid crystal composition for active matrix application and reflective liquid crystal displays
The invention relates to dielectrically positive nematic liquid crystal compositions for active matrix displays with high voltage holding ratio and very low birefringence. The composition of the mixtures is given in claim 1. The compositions are particula...
02/25/2003
6493055Homeo-tropically-oriented nematic liquid crystal material
A liquid crystal display device of the present invention includes: a pair of substrates for which a homeotropic alignment treatment is performed; a liquid crystal layer provided between the substrates; and a transverse electric field generating electrode ...
12/10/2002
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