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Class 349/78 - Cell cooperation providing multicolor display


Subclass of Class 349 - Liquid crystal cells, elements and systems
Definition: Subject matter wherein the color of the display depends
No. of patents: 94
Last issue date: 04/27/2010


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NumberTitleIssue Date
77059343D display device with first panel having only reference color filters and second panel having higher transmissivity filters or reference color filters and transparent windows
The present invention prevents a displayed three-dimensional stereoscopic image from being darkened in a three-dimensional display device of a DFD type. The present invention provides a three-dimensional display device in which at least one of a plurality of display...
04/27/2010
7362489Multi-conjugate liquid crystal tunable filter
A hyper-spectral imaging filter has serial stages along an optical signal path with angularly distributed birefringent retarders and polarizers forming interference filters. The retarders can include tunable birefringent elements such as liquid crystals controlled i...
04/22/2008
7339643Arrangements in a transflective liquid crystal display
This invention relates to a transflective liquid crystal display device (11, 21), comprising a plurality of pixels, each comprising a liquid crystal layer (12, 22), being sandwiched between front and back electrode means (13, 23; 14, 24) as well...
03/04/2008
7327424Nematic liquid crystal display device with multi-domain pixels and six phase difference compensators
Featured is a liquid crystal display device including first and second transparent substrates and a liquid crystal layer interposed there between that includes a plurality of domains in each pixel region. Also included are first and second polarizing plates and firs...
02/05/2008
7282245Device 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
7278760Light-emitting electronic component
A light-emitting electronic component is described that includes at least one light-emitting element intended for the emission of light with a predetermined spectral distribution, at least one filter element arranged in a beam path of the light with the predetermine...
10/09/2007
7274416Display device
A subtractive display device comprising picture elements having sub-pixels, each sub-pixel comprising a stack of switchable layers (5,25) or components and a color filter part (21). ...
09/25/2007
7215341Memory free method of region filling
A method of coloring a plurality of cells using a predetermined fill-color, the cells occupying a region in a grid of cells thereby defining a plurality of region-cells, the method comprising: (a) dividing the grid into a plurality of elementary-regions, each compri...
05/08/2007
7193674Liquid crystal display device and method of fabricating the same
A liquid crystal display device includes a lower substrate, an upper substrate facing the lower substrate, a common electrode and a plurality of data electrodes on the lower substrate to generate an In-Plane switching mode electric field parallel to the lower and up...
03/20/2007
7190504Electro-optical device and electronic apparatus
An electro-optical device is provided comprising an electro-optical material and means for applying an electric field to the electro-optical material, in which a plurality of pixel regions DR, DG and DB capable of separately controll...
03/13/2007
7182981Cellulose ester film and production method of the same
To provide a cellulose ester film formed by casting, which minimizes degradation of optical properties as well as exhibits sufficient mechanical strength generated by the enhancement of tear strength, and further to provide a production method of the same. A ...
02/27/2007
7172288Display device including a spatial light modulator with plural image regions
A display device includes a spatial light modulator and a light generator. The spatial light modulator may have an array of modulating elements with a plurality of image regions. The light generator may be configured to direct a different one of a plurality of subst...
02/06/2007
7170679Optically active color filter
An optically active color filter for controlling the color of light produced by a light source. The color filter includes an optically active device positioned between a linear polarizer and an adjustable position linear polarizer whose orientation can be controlled...
01/30/2007
7136210Light modulator
One embodiment of a light modulator apparatus includes a first light modulator and a second light modulator diagonally offset from and in series with the first light modulator. ...
11/14/2006
7133201Compensating display surface
A display system is provided that includes a light source configured to project an image, and a display surface configured to receive the projected image and at least partially compensate for a non-ideal spectral power distribution exhibited by the light source....
11/07/2006
7126654Switchable 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. The color filter may employ circularly polarizing selective reflection...
10/24/2006
7119762Method and apparatus for selectively viewing captioning
Alphanumeric images are displayed in common view in one color on a background of a different color using a liquid crystal projection device. The two colors are sufficiently similar so they are not distinguished by the unaided eye of the viewer. A color selective mat...
10/10/2006
7116318Backplanes for display applications, and components for use therein
A display pixel unit provides reduced capacitative coupling between a pixel electrode and a source line. The unit includes a transistor, the pixel electrode, and the source line. The source line includes an extension that provides a source for the transistor. A patt...
10/03/2006
7079202Multi-layer diffraction type polarizer and liquid crystal element
A liquid crystal element including a liquid crystal cell that has transparent substrates having electrodes and a liquid crystal layer sandwiched between the substrates, the liquid crystal cell having a retardation value for a linearly polarized light having a wavele...
07/18/2006
7057668Color/mono switched display
A color sequential display operative in one of two alternate modes. The first mode is a color sequential mode in which primary color images are displayed in successive frames while respective background light sources are simultaneously flashed on the display. The se...
06/06/2006
7038399Methods and apparatus for providing power to lighting devices
Methods and apparatus for providing power to devices via an A.C. power source, and for facilitating the use of LED-based light sources on A.C. power circuits that provide signals other than standard line voltages. In one example, LED-based light sources may be coupl...
05/02/2006
7034334Liquid crystal display apparatus
In a liquid crystal display apparatus, a conductive agent is spread on a surface of the polarizing plate adhered to a substrate 12 disposed on an opposite side of another substrate 12 to which a color filter is adhered, so that the spread conductive ag...
04/25/2006
7012695Method and apparatus for multiwavelength imaging spectrometer
The disclosure generally relates to a method and apparatus for multi-wavelength imaging spectrometer. More specifically, in one embodiment, the disclosure relates to an optical filter for passing photons therethrough. The filter includes a first filter stage and a s...
03/14/2006
6999142Reflective cholesteric liquid crystal display with complementary light-absorbing layer
A display sheet comprising a substrate carrying layers of material; including a polymer-dispersed cholesteric liquid-crystal layer having a first high reflection state within a portion of the visible light spectrum and a second less-reflective state in said spectrum...
02/14/2006
6982019Method 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 such cells, each cell including at least two superposed sealed cavitie...
01/03/2006
6980183Liquid crystal over semiconductor display with on-chip storage
A display device, such as a projector system, may include a plurality of display panels formed from liquid crystal over semiconductor substrates which incorporate not only the pixel elements but memory as well. The presence of memory in the display allows a host sys...
12/27/2005
6972777Image display apparatus and method
For generating a plurality of light beams having different colors, time sequentially switching the light beams, illuminating a space modulation unit with the light beam, and projecting light modulated by and emitted from the space modulation unit, a white light illu...
12/06/2005
6952241Optical unit, video display apparatus, and color switching method
A projection-type video display apparatus has a polarizing beam splitter for matching light, which is outputted by a light source unit, to one of S polarizing light and P polarizing light, an optical characteristics switching element for electrically and periodicall...
10/04/2005
6914648Electronic shelf label
There are provided at least two liquid crystal panels 10, 20 including the liquid crystals developing a memory effect, the liquid crystal developing a memory effect on a side opposite to a viewer side has a selective reflection wavelength set at 615-665 nm, t...
07/05/2005
6882401Light 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 of cholesteric liquid crystal adapted to change the liquid crystal o...
04/19/2005
6882384Color filters and sequencers using color selective light modulators
The present invention provides a high brightness color selective light modulator (CSLM) formed by a polarization modulator positioned between two retarder stacks. The modulator changes the apparent orientation of one retarder stack relative to the other so that, in ...
04/19/2005
6852375Preparation method of chiral nematic liquid crystal composition and liquid crystal display
The present invention is based on a chiral nematic liquid crystal composition which shows cholesteric liquid crystal phase and be able to reflect light in visible region selectively, comprising: a nematic liquid crystal material;
02/08/2005
6853411Light-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 layer and light-emitting pixel array wherein all the electronic circuitry...
02/08/2005
6801272Color switch
A color switch is provided for selectively switching between color bands for use, for example, in projection optics and direct view optics. The color switch has fewer and thinner layers than in the prior art, but exhibits equal or better color purity and light effic...
10/05/2004
6750928Multi-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 cost of the device can be reduced. Specifically, the display device ...
06/15/2004
6707516Single-panel field-sequential color display systems
The present invention provides a single-panel field-sequential full color display systems that are less complex, smaller in size and less costly than prior additive split-path color systems, while exhibiting higher light output, greater flexibility and greater relia...
03/16/2004
6667784Color filters, sequencers and displays using color selective light modulators
The present invention provides a high brightness color selective light modulator (CSLM) formed by apolarization modulator positioned between two retarder stacks. The modulator changes the apparent orientation of one retarder stack relative to the other so...
12/23/2003
6618103Liquid crystal display element
In liquid crystal display element having cholesteric liquid crystal between substrates, being substantially polymer free, integral value in visible wavelength range of {exp-[2(λ-nP)2 /Ɗn2 P2 ]}R is 40-60% of integral val...
09/09/2003
6618102Display element, writing method and writing apparatus
In a display element in which three or more display layers for displaying mutually different color lights are stacked within one pixel and which controls display states of the plural display layers by applying a voltage from the outside of the plural disp...
09/09/2003
6593985Color shutter and color image display apparatus
A color shutter, comprising first, second and third polarizers, first and second retarders, first and second polarizing rotators, and at least one absorption type partial polarizer. The color shutter is constructed such that the first retarder is arranged...
07/15/2003
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