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7542109 LCD device and method for switching between wide and narrow viewing angle display modes having viewing angle control cell disposed adjacent LCD panel  
A liquid crystal display (LCD) device is switchable between a wide viewing angle display mode and a narrow viewing angle display mode. The LCD device includes and LCD panel having an array...
7540644 LCD optic shutter  
A low cost fiber optic lighting display system includes a light source, an electronic shutter having independently controllable pixel elements positioned proximate to the light source, a controller...
7522242 Liquid crystal display device and method of controlling viewing angle thereof  
An LCD device includes: an LCD panel having at least one pixel that includes a first colored sub pixel and a white second sub pixel; and a liquid crystal alignment control means to control contrast...
7468770 Viewing angle control element, method of manufacturing the same, liquid crystal display device, and electronic apparatus  
A liquid crystal display device includes a display panel and a viewing angle control panel. The viewing angle control panel includes a pair of substrates, a liquid crystal layer interposed between...
7446835 Transflective switchable double-cell LCD device  
To be realized the well-lighted display by using the whole pixels in the reflective mode and the transmissive mode. In a reflective mode, an optical element 13 is used as liquid crystal display...
7436470 Display device having liquid crystal layer and switchable optical layer  
A display device including a first electrode, a liquid crystal layer positioned under and connected to the first electrode, a second electrode and a switchable optical layer. The switchable optical...
7426002 Liquid crystal display having active and passive matrix modes  
A transmissive liquid crystal display having two driving matrix modes is disclosed. A first insulating layer, a first lower electrode, a second insulating layer, a second lower electrode and a...
7411637 System and method for varying the reflectance or transmittance of light  
Device for transmitting light at variable intensity, the device including a front variable polarizer, polarizing incoming light at a first selected polarization level, in a first direction and a...
7405793 Discotic liquid crystal based electronic device using interdigit structure electrode  
The present invention relates to an electronic device, based on discotic liquid crystalline material, to methods of production of such a device, and to uses thereof.
7394506 Reflective stereoscopic display with first and second liquid crystal cells  
An apparatus comprising a first cell ( 10 b ), said first cell comprising a plurality of first elements ( 34 b ), said first elements being controllable between a non-reflective state, in which...
7372448 Sensors and sensor circuits which convert sense currents to digital values  
A sensor circuit, e.g., a circuit for use with a sensor that develops a current responsive to temperature, includes a digital to analog (D/A) comparison circuit having an analog sense current input...
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...
7154574 Color liquid crystal display devices  
A color liquid crystal display device has an array of display pixels ( 10 ) for modulating input light and an array of associated color filter elements ( 40 ) which comprise electro-optic filtering...
7126654 Switchable color filter  
A liquid crystal switchable color filter switches between three color bands and is preferably used for time-sequential devices, such as projection devices, direct view displays and video cameras....
7110052 Backlighting construction for use in computer-based display systems having direct and projection viewing modes of operation  
A reconfigurable backlighting construction for use in portable computer-based systems having direct and projection viewing modes of operation is provided. These computer-based systems are capable...
7088349 Drive method of an electro optical device, a drive circuit and an electro optical device and an electronic apparatus  
A method of sub-field drive can display with a mode of placing emphasis on responsiveness and display with a mode of placing emphasis on gray-scale reproductiveness. A field is divided into plural...
7050035 Drive method of an electro-optical device, a drive circuit and an electro-optical device and electronic apparatus  
A display provided to reduce flicker by a driving method of using a sub field drive. One field is divided into plural sub fields on a time axis, each of which is a control unit to drive a pixel. A...
7042535 Optical display system and optical shifter  
An optical display system includes: a light source; a display panel including multiple pixel regions, each of which can modulate light; and an optical shifter, which is disposed so as to receive an...
7019795 Liquid crystal device operable in two modes and method of operating the same  
A liquid crystal device is provided that comprises a layer of liquid crystal material ( 2 ) disposed between two cell walls ( 4, 6 ) in an arrangement such that the liquid crystal material ( 2 )...
6982019 Method for manufacturing a batch of multi-layered cells, such as liquid crystal display cells, or electrochemical photovoltaic cells  
The present invention concerns a method for manufacturing a plurality of multi-layered cells, particularly liquid crystal display cells, or electrochemical photovoltaic cells, or a combination of...
6914647 Electro-optical light modulator  
An electrically drivable light modulator having liquid crystal layers, which are disposed one behind the other and are enclosed between transparent plates having a surface anisotropy that orients...
6882401 Light modulation medium and light modulation method  
A light modulation medium comprises a light modulation element having a pair of substrates and plural light modulation layers arranged between the substrates to form a multilayer structure and made...
6853411 Light-producing high aperture ratio display having aligned tiles  
A high aperture ratio emissive tiled display comprised of a plurality of tiles including a substrate with discrete layers of integrated drive circuits, thin film transistors, circuit conductor...
6771339 Methods of compensating liquid crystal displays using DC balancing  
In a reflective mode FLC application, a ¼-wave plate compensating FLC is used in series with a ¼-wave imaging FLC to compensate for the effects of DC balancing. Alternatively, the compensating...
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...
6750928 Multi-color display device  
A reflective-type multi-color display device is capable of obtaining a vivid and bright multi-color display with less display layers, and therefore, with a state where a parallax is decreased and a...
6603442 Stereoscopic image display apparatus  
A stereoscopic image display device that is capable of displaying a stereoscopic image without a deterioration of resolution. The apparatus differentiates color signals with respect to the same...
6570633 Multi-layer neutral density sheet having a plurality of light-modulating layers with memory properties  
A multi-layer, neutral-density sheet with memory properties, includes a transparent substrate and a transparent, electrically conductive layer formed over the transparent substrate. The multi-layer...
6546159 Method and apparatus for compensating differential group delay  
An improved digital differential group delay (DGD) controller is capable of producing variable DGD used to compensate for DGD in a fiber optic link in real time. The DGD controller comprises one or...
6498632 Color reflective ferroelectric liquid crystal light valve with three spatial light modulators and increased light throughput  
A color, high-throughput, ferroelectric liquid crystal-based light valve comprising a light input, a light output, a beam splitter, a color separator, reflective spatial light modulators, and a...
6414728 Image display system having direct and projection viewing modes  
A transportable image display system having direct and projection viewing modes of operation. The image display system comprises a spatial light modulation structure for spatially modulating the...
6356323 Color display using cholesteric liquid crystals  
A color display includes a substrate defining first and second opposite support surfaces. The first conductor is disposed over the first surface and defining a first pattern. A second conductor is...
6292251 Method and apparatus for sequential exposure printing of ultra high resolution digital images using multiple sub-image generation and a programmable moving-matrix light valve  
An ultra high resolution photographic printing system that generates and rasterizes multiple sub-images synchronized with positioning coordinates that program a moving-matrix light valve during...
6232938 Liquid crystal display device with low power consumption and high picture quality  
The liquid crystal display device, comprising a first liquid crystal cell having first pixels arranged in a matrix shape, the first liquid crystal cell having a first sub-field and a second...
6191881 Variable focal length lens panel and fabricating the same  
There are provided a circular transparent electrode provided on a first substrate at the center thereof, a plurality of annular transparent electrodes which are disposed outside the circular...
6157424 2D/3D imaging display  
An improved 2D/3D display is disclosed. In one embodiment, the display uses both an imaging LCD and a secondary LCD. The secondary LCD is a light line forming LCD which can be placed between a...
6141067 Visual display device with changeable decorator plate  
The visual display device of the present invention comprises a masking, a liquid crystal cell (LCD) and an illuminating light, in which display contents are not lost even when an decoration is...
6130731 Liquid crystal devices using a linear electro-optic effect  
A device for influencing light has a polarizer, a ferroelectric or electroclinic response type liquid crystal halfwave plate whose liquid crystals are in the smectic phase with bookshelf geometry...
6128055 Reflective display apparatus using compensator cell and ferroelectric liquid crystal at 90° to enhance contrast ratio  
A reflective display apparatus enhancing a contrast ratio does not use a quarter wavelength plate and adjusts a switching angle of each molecular axis of a compensator and a ferroelectric liquid...
6097451 Liquid crystal shutter with low twisted nematic liquid crystal cells driven with a low frequency or DC voltage  
A liquid crystal shutter construction (18), suitable for a glass shield and a welding glass filter, which shutter construction is able to switch between a high light absorbing dark state and a low...
6067129 Welding lens with integrated display and method  
An integral indicator or display for a welding lens, which has a twisted nematic liquid crystal cell light shutter, includes plural independently operable twisted nematic liquid crystal cell...
6055031 High reflectivity liquid crystal display cell  
A novel multi-layer display cell is disclosed in which contrast ratios similar to that available from cells which use polarisers are achieved, as well as levels of reflectivity similar to that...
6043861 Optical waveguide using cholesteric liquid crystal polymer  
An optical waveguide (5) for use in the in the visible range, the infrared range or the ultraviolet range. The waveguide has two cholesteric liquid crystal polymer layers (10) positioned parallel...
6028649 Image display systems having direct and projection viewing modes  
A transportable image display system having direct and projection viewing modes of operation. The image display system comprises a spatial light modulation structure for spatially modulating the...
6013335 Liquid crystal display apparatus and method for processing the same  
A liquid crystal display apparatus of the invention includes a pair of substrates and a liquid crystal layer sandwiched between the pair of substrates with alignment films formed at interfaces...
5995188 Liquid crystal display device using stacked layers  
The liquid crystal display device comprises a first substrate, a second substrate opposite to the first substrate, a plurality of switching elements formed on a face of the first substrate, which...
5990990 Three-dimensional display techniques, device, systems and method of presenting data in a volumetric format  
A system and method generate volumetric, three-dimensional displays, including displays of images or data. An apparent position of a volumetric image is translated by employing an image translation...
5828427 Computer-based image display systems having direct and projection modes of viewing  
An electro-optical backlighting panel construction for use in portable computer-based systems having direct and projection viewing modes of operation. In the illustrative embodiments of the present...
5825441 Liquid crystal welding glass shields having improved optical angular properties  
A liquid crystal welding glass structure whose density increases when welding is commenced includes two liquid crystal cells which are mounted between polarization filters which have an...
5801800 Visual display system for display resolution enhancement  
A visual display system, composed of an array of light emitting devices, forming an image source, a phase spatial light modulator scanner, driver/control circuitry and an optical magnification...
Matches 1 - 50 out of 93 1 2 >