Quotables
"There is no likelihood man can ever tap the power of the atom."
Robert Millikan, Nobel Prize winner in physics
PatentStorm News
Make the Most of Our Site
See this month's Top Inventors and Most Cited Patents.
Stay on top of the latest innovations by subscribing to an RSS feed.
Registered users: Manage your profile.
| Number | Title | Issue Date |
| 8023094 | Monochromatic liquid crystal display with high contrast ratio An STN liquid crystal display, wherein a twist angle of liquid crystal molecules of the liquid crystal layer is 155° to 210°, and a first angle between a polarizing axis direction of the first polarizer and an alignment direction of liquid crystal molecules of the... | 09/20/2011 |
| 7773191 | Reflective liquid crystal display device comprising a liquid crystal layer having a twist angle The present invention provides a liquid crystal display device comprising a liquid crystal layer sandwiched between an upper substrate and a lower substrate having a twist angle in the range of about 40 to 65 degrees and a light diffusive reflective electrode having... | 08/10/2010 |
| 7667814 | Monochromatic liquid crystal display with high contrast An STN liquid crystal display cell includes a liquid crystal layer sandwiched between a first and second transparent substrate, is outwardly provided with a first and second polarizers, and a monochromatic back light. Twist angle of the liquid crystal layer is 95° ... | 02/23/2010 |
| 7589816 | Display device with a black-optimizing bistable nematic screen and method for the definition of said device A device nematic liquid crystal display device has two stable states corresponding to two liquid crystal molecule textures whose torsion differs by 150° to 180° in terms of absolute value. The device includes two polarizers (10, 40), one (10) of whic... | 09/15/2009 |
| 7405787 | Liquid crystal display with offset viewing cone A liquid crystal display is provided which comprises a front panel comprising a front alignment layer having an alignment direction, a rear panel comprising a rear alignment layer having an alignment direction, and a liquid crystal layer between the front and rear a... | 07/29/2008 |
| 7327420 | Reflective liquid crystal projection displays with low voltage and high contrast using improved bisector effect Methods, systems, devices and apparatus of using a reflective liquid crystal device for projection display operating at a reduced driving voltage and having an increased contrast ratio are disclosed. The reflective liquid crystal device comprises a first substrate, ... | 02/05/2008 |
| 7259817 | Liquid crystal display device and partial transmission type liquid crystal display device The present invention is configured so that it has a first substrate, a second substrate, a liquid crystal layer pinched between the first substrate and second substrate, and a driving unit, wherein a characteristic of a reflectivity versus an applied voltage is a n... | 08/21/2007 |
| 7236219 | Color twisted nematic liquid crystal displays The present invention relates to color liquid crystal displays without the use of color filters. By carefully choosing the design parameters of a liquid crystal display, it is possible to obtain vivid colors from the display as a function of the operating voltage. | 06/26/2007 |
| 7176994 | Liquid crystal display panel having reflection electrodes improved in smooth surface morphology and process for fabrication thereof A liquid crystal display panel of the type having reflection electrodes tends to have an image-forming plane undesirably yellowed due to the wavelength dependency of transparency observed in an orientation layer on the reflection electrodes; aluminum-neodymium alloy... | 02/13/2007 |
| 7167229 | Liquid 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 |
| 7161647 | Liquid crystal display device and electronic device The invention provides a transflective liquid crystal display device which provides both high-contrast, bright reflective and transmissive displays. The liquid crystal display device of the present invention can include a liquid crystal panel and a backlight. The li... | 01/09/2007 |
| 7142280 | Extended chiral defect structure apparatus and method A chiral structure having an advantageous extended chiral defect that provides an enhanced energy distribution characteristic therein. This is accomplished by configuring a central portion of the chiral structure with a pitch different from the rest of the structure... | 11/28/2006 |
| 7126649 | Oblique plate compensators for projection display systems Projection systems having o-plate compensation elements are described. The compensation elements may be negative, positive or biaxial anisotropic element and may have a homogeneous tilt or a splayed tilt. The compensation elements may be formed from a polymer liquid... | 10/24/2006 |
| 7123336 | Twisted 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 |
| 7088413 | Bistable nematic liquid crystal display device with improved optical mask, having textures differing by about 180° twist, and off state in the liquid crystal covering the inter-electrode spaces The invention relates to a bistable nematic liquid-crystal device comprising: alignment means, which orient the liquid crystal, means designed to apply electrical signals which allow switching, by breaking the anchoring on at least one of the two substrates, between... | 08/08/2006 |
| 7084939 | Normally white, supertwist nematic liquid crystal display of reflective type A normally white supertwist nematic liquid crystal display of reflective type is provided. This display comprises a reflector, a layer of chiral nematic liquid crystal having a front aligning surface facing a light source and a rear aligning surface facing the refle... | 08/01/2006 |
| 7081934 | Semitransparent liquid crystal display element A semitransparent liquid crystal display element comprises a liquid crystal panel composed of a plurality of pixels each having a reflective portion and a transparent portion arranged therein, a first polarizer sheet located on the observer's side of the liquid crys... | 07/25/2006 |
| 7071907 | Display with active contrast enhancement A display (50) with enhanced image contrast contains an image-producing component (60) and a set of shutter strips (80). The image-producing component, typically a flat-panel device, has multiple imaging lines that provide light to produce an im... | 07/04/2006 |
| 7057686 | Liquid crystal structure with improved black state, and projector using same A liquid crystal (LC) lightvalve comprising a twisted nematic LC layer whose molecules are aligned with pixel edges at the mirror backplane, thereby providing improved contrast and efficiency, and reduced visibility of post spacers in black state. The present invent... | 06/06/2006 |
| 7023510 | Reflective liquid crystal display device and reflective liquid crystal display device incorporating touch panel arranged therefrom A reflective color liquid crystal display device with a liquid crystal layer sandwiched between a first substrate having a light reflectibility and a second substrate having a light transmissibility. The liquid crystal layer being composed of twist-aligned nematic l... | 04/04/2006 |
| 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 |
| 7015996 | Transflective liquid crystal display device with varying liquid crystal layer thickness as a function of liquid crystal layer twist angle In a semi-transmissive liquid crystal display device, the thickness of liquid crystal layer in the reflective region can be adjusted by controlling the film thickness of the organic insulating film for reflection and the film thickness of the color layer for reflect... | 03/21/2006 |
| 6999144 | Transflective liquid crystal display device having particular angles between optical axes A transflective liquid crystal device capable of balancing a color difference between a reflective region and a transmissive region. The arrangement conditions of optical elements in the transflective LCD are as follows. The twist angle of the liquid crystal is abou... | 02/14/2006 |
| 6980267 | Reflective-type liquid crystal display device having two uniaxial compensation films of same type and method for making the same A reflective type liquid crystal display device Includes first and second substrates, a liquid crystal layer between the first and second substrates, and at least one uniaxial optical compensation film on the second substrate. ... | 12/27/2005 |
| 6954247 | Multi-domain low twist angle liquid crystal cells and methods of production thereof Multi-domain liquid crystal cells having twist angles less than 90 degrees, and LCDs containing such liquid crystal cells, are provided. Such liquid crystal cells are stable, particularly at zero and high fields, and provide wide viewing angles. Also provided are me... | 10/11/2005 |
| 6953611 | Anisotropic polymer film An anisotropic polymer film comprising a polymeriZed chiral liquid crystal material with helically twisted structure and having areas with different helical twist sense is useful for decorative or security applications. ... | 10/11/2005 |
| 6939478 | Compounds of formula (2) to stabilize liquid crystal domains A A compound having formula (2) wherein A2 is an electron acceptor moiety; C2 is a conjugated bridging moiety; D2 is an electron donor moiety; ... | 09/06/2005 |
| 6922220 | Reflective liquid crystal display device and reflective liquid crystal display device incorporating touch panel arranged therefrom A reflective color liquid crystal display device with a liquid crystal layer sandwiched between a first substrate having a light reflectibility and a second substrate having a light transmissibility. The liquid crystal layer being composed of twist-aligned nematic l... | 07/26/2005 |
| 6919885 | Reflective display device and electronic device The invention provides a quick-response reflective display device that has increased display brightness and contrast and that achieves high display quality. In a reflective display device of the present invention, a plurality of stages are disposed on a substrate so... | 07/19/2005 |
| 6900863 | Liquid crystal display A liquid crystal display is furnished with: a liquid crystal display element having a pair of substrates, to which alignment members are provided to their respective opposing surfaces, and a liquid crystal layer sandwiched by the pair of substrates; an alignment mec... | 05/31/2005 |
| 6858266 | Domain size controlled liquid crystals A device composed of: a liquid crystal composition including a liquid crystal and a liquid crystal domain stabilizing compound, wherein die liquid crystal composition is switchable between a strongly scattering state of a first plurality of smaller liquid crystal do... | 02/22/2005 |
| 6847425 | Liquid crystal display having reflector outside liquid crystal cell A liquid crystal display includes a liquid crystal cell including a first transparent substrate and a second substrate, and a reflector attached to the outer surface of the first transparent substrate with a bonding layer therebetween. A first retarder is disposed o... | 01/25/2005 |
| 6822709 | Transflective display device A transflective display device has an upper substrate, a lower substrate and a liquid crystal layer interposed therebetween. A reflective electrode layer is formed overlying the inner surface of the lower substrate to serve as a reflective area of a pixel electrode.... | 11/23/2004 |
| 6822724 | Liquid crystal display device A liquid crystal display device of a vertical alignment mode is provided in which a quenching pattern, which is generated by such liquid crystal molecules whose in-plane component of the alignment directions under applied voltage is aligned along the cross nicole di... | 11/23/2004 |
| 6800338 | Electro-optical liquid-crystal display To provide an electro-optical liquid-crystal displays with low addressing voltages and low to moderate multiplex ratios, in particular STN displays, organic alignment layers of low layer thickness are utilized. ... | 10/05/2004 |
| 6801283 | Liquid crystal display device A liquid crystal display device has an elliptic polarizer consisting of a polarizer, a first retarder, and a second retarder, and a reflector reflecting light in a visual light range. Optimal values for a twist angle of a liquid crystal layer, an angle between a tra... | 10/05/2004 |
| 6784955 | Optically 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 |
| 6774977 | Liquid 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 |
| 6765635 | Apparatus and method for achromatic liquid crystal electro-optic modulation An achromatic half wave plate includes a first twisted nematic liquid crystal layer, a second twisted nematic liquid crystal layer, and a uniaxial half wave plate between the first twisted nematic liquid crystal layer and the second twisted nematic liquid crystal la... | 07/20/2004 |
| 6714276 | Liquid crystal display device A liquid crystal display device comprises: a layer of a chiral liquid crystal material disposed between first and second substrates; and means for applying a voltage across the liquid crystal layer. A first region of the liquid crystal layer is an active region for ... | 03/30/2004 |
