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7576478 Electrically controllable color conversion cell  
The invention relates to light emitting devices ( 2 ) with variable output color. More specifically, the inventions provides a color conversion cell ( 10 ) which can be positioned in front of a...
7456915 Liquid crystal display panel with broadband interference polarizers  
The present invention relates to a liquid crystal display panel with improved image contrast comprising an array of pixel regions and a sequence of a recycling backlight structure comprising...
7362406 Electrophoretic liquid crystal display device  
An electrophoretic liquid crystal display device comprises: two opposed cell walls enclosing a layer of an electrophoretic composition comprising a liquid crystal material having finely...
7276268 Poly-azo compound, and polarization film having said compound  
Poly-azo compound selected from the group consisting compounds of the formula (I) and compounds of the formula (II), (wherein, Me represents copper, nickel, zinc or iron, A represents a...
7268852 LCOS display panel having a micro dichroic layer positioned in the back plane to filter colors  
An LCOS panel has a back plane, a plurality of pixel electrodes positioned on a surface of the back plane, a light absorbent layer positioned on the pixel electrodes, a micro dichroic layer...
7253871 Efficient room-temperature source of polarized single photons  
An efficient technique for producing deterministically polarized single photons uses liquid-crystal hosts of either monomeric or oligomeric/polymeric form to preferentially align the single...
7132138 Liquid crystal information displays  
The LC information display contains a layer of liquid crystal situated between the front and the rear panels with functional layers, and the liquid crystal has parameters providing interference...
7108897 Dye type polarizing plate  
This invention relates to a polyvinyl alcohol type polarizing film or plate which comprises a water-soluble dye having the formula (1) in a free acid form or a copper complex salt thereof. The said...
7057683 Guest-host liquid crystal element with removable polarizer  
A light control device and an imaging device suitable for the effective and stabilized driving of a Guest-Host type liquid crystal element. A light control device which is provided with a light...
6930750 Liquid crystal optical element and three-dimensional display system including the liquid crystal optical element  
A liquid crystal optical element includes two substrates, a liquid crystal layer, and at least two electrodes. The liquid crystal layer is provided between the substrates and includes liquid...
6924873 Liquid crystal display device and its production method  
The objective of the present invention is to provide a liquid crystal display device for displaying colors by transmission and reflection modes and a method for producing such devices, whereby the...
6875510 Structure for reflecting light  
A structure ( 1 ) for reflecting light uses at least two materials having different refractive indices. The structure ( 1 ) for reflecting light includes a first material ( 2 ) having light...
6798470 Electrophoresis display  
An electrophoresis display capable of displaying colors, yet having high contrast and a high reflectance on displaying white color. The electrophoresis display device includes a dispersion medium...
6791657 Liquid crystal display having liquid crystal cell gap variation  
A light control device includes a GH cell and a polarizer wherein a host material is made of a negative type liquid crystal whose dielectric anisotropy is negative and a guest material is made of a...
6790490 Dye type polarizing plate  
This invention relates to a polyvinyl alcohol type polarizing film or plate which comprises a water-soluble dye having the formula (1) in a free acid form or a copper complex salt thereof. The said...
6650384 Liquid crystal display and display method  
There is provided a liquid crystal display, including a substrate and pixels arrayed on the substrate, each of the pixels including an electric field sensitive layer which includes, an N-type...
6621534 ELECTRICALLY CONTROLLABLE SYSTEM AND GLAZING UNIT HAVING A FUNCTIONAL COMPONENT FOR CONTROLLING LIGHT TRANSMISSION THAT INCLUDES AT LEAST ONE TRANSPARENT LAYER SLOWING PHOTO REDUCTION DEGRADATION OF AN ACTIVE ELEMENT  
The subject of the invention is an electrically controllable system having variable light scattering and/or transmission, comprising a functional film ( 1, 21 ) provided with electrically...
6606138 Liquid crystal layer including a dichroic dye  
A reflecting film is formed on one substrate, and ¼ wavelength layer is arranged on this reflecting film. A liquid crystal layer comprises liquid crystal molecule, a polymer and dichroic dye, the...
6559916 Reflective guest-host liquid-crystal display device  
A reflective guest-host liquid-crystal display device includes a first substrate for receiving incident light, on the inner surface of which transparent electrodes are formed; a second substrate...
6529253 Filter for adjusting amount of light  
A filter for adjusting an amount of light, in which an ND filter 7 is loaded and unloaded by aperture blades not shown in the figure; (a) the ND filter 7 is loaded in the light path, and the...
6504584 Tablet integrated liquid crystal display apparatus with less parallax  
In a tablet integrated type liquid crystal display apparatus, a first transparent substrate is provided on a view side. The first substrate is a plastic substrate having a thickness equal to or...
6486928 ELECTRICALLY CONTROLLABLE SYSTEM HAVING A SEPARATE FUNCTIONAL COMPONENT FOR CONTROLLING LIGHT TRANSMISSION THAT INCLUDES AT LEAST ONE TRANSPARENT LAYER SLOWING PHOTO REDUCTION DEGRADATION OF AN ACTIVE ELEMENT  
The subject of the invention is an electrically controllable system having variable light scattering and/or transmission, comprising a functional film ( 1, 21 ) provided with electrically...
6466288 Multi-domain liquid crystal display device  
A multi-domain vertical alignment liquid crystal display device includes upper and lower substrates having upper and lower alignment layers, a pixel electrode on the lower substrate, and a liquid...
6417909 Liquid crystal panel and display including dichroic dye for absorbing yellow component of incident light  
A liquid crystal panel has a pair of substrates disposed almost parallel to each other. On each of the substrates, an electrode and an alignment film are formed. A liquid crystal layer having a...
6284418 Biopolymer-based optical element  
Provided is an optical element comprising a biopolymer having an oriented structure and a photoresponsive compound, such as a photochromic compound, wherein at least a portion of the...
6175398 Axial symmetric polarizing plate, method for fabricating the same, and liquid crystal display device  
The axial symmetric polarizing plate of this example includes at least one portion where light transmission easy axes are arranged with axial symmetry so that light transmission for incident light...
6151094 Reflective liquid crystal display and transmissive dye-doped liquid crystal display  
An optical display employs a liquid crystal cell with a dΔn/λ of approximately 0.2-0.8, allowing the cell's optical transmissivity to be modulated by an applied electric field through a dominant...
6094252 GH LCD having particular parameters and characteristics  
A liquid crystal display device having a liquid crystal cell including: a pair of substrates at least one of which has light transparency; a chiral nematic liquid crystal layer having positive...
6061111 Reflective LCD having orientation film formed on quarter wavelayer and planarizing film formed on reflector layer  
A reflective guest-host liquid crystal display device includes an optical reflective layer and a quarter wavelength plate (1/4 wavelength phase shifter) inside the device provides improved contrast...
6033742 Liquid crystal display device  
A liquid crystal display device comprises, a pair of substrates having an electrode on a surface thereof, and a liquid crystal layer containing a liquid crystal and a dichroic dye, wherein the...
6016178 Reflective guest-host liquid-crystal display device  
A color reflective guest-host liquid-crystal display device is provided which does not require a polarizing plate and which has a bright screen. A transparent electrode is formed on an upper...
5995456 Dynamically changing liquid crystal display timekeeping apparatus  
A dynamically changing, multi-color liquid crystal display for electronic watches or other design apparel items is provided. The liquid crystal displays incorporated within the watch or designer...
5969785 Reflective-type liquid crystal display using polarizer free mixed-mode twist nematic cells with dichroic dye  
An optical display employs a liquid crystal cell with a dΔn/λ of approximately 0.2-0.8, allowing the cell's optical transmissivity to be modulated by an applied electric field through a dominant...
5943104 Liquid crystal eyewear with two identical guest host subcells and tilted homeotropic alignment  
Light responsive, transmissivity variable eyewear utilizing two specifically configured liquid crystal cells and a method of making the cells is disclosed. The cell itself includes a pair of spaced...
5933203 Apparatus for and method of driving a cholesteric liquid crystal flat panel display  
Driver apparatus and methods of driving at least a portion of a cholesteric liquid crystal ("CLC") panel to a state having a given reflectivity. One of the methods includes the steps of: (1)...
5926242 Active matrix reflective guest-host LCD with pixel electrodes patterned on quarter wave plate  
A reflective guest-host liquid-crystal display includes: a pair of upper and lower substrates joined together with a predetermined space therebetween; and a guest-host liquid-crystal layer which is...
5875014 Optically anisotropic film and liquid crystal display apparatus  
An optically anisotropic film comprising a mixture of a polymer, a dye having an absorption peak not in a visible region but in an ultraviolet region, and occasionally a liquid crystal polymer,...
5856859 Guest-host reflective liquid crystal display device with a particular relationship between the concentration of dichroic dye and the cell thickness  
A reflective liquid crystal display device includes a pair of substrates and a liquid crystal layer interposed therebetween. The liquid crystal layer includes a liquid crystal material and a...
5847791 Reflective liquid crystal display having a dispersive color filter  
A reflective color liquid crystal comprising a guest-host liquid crystal display, a color filter and a reflector. The reflector is a simple mirror-like reflection surface. The color filter is...
5784136 PDLC device and method of making, with liquid crystal microcapsules having a uniform diameter  
A liquid crystal layer composing a liquid crystal display apparatus is formed by being laminated with a plurality of single particle layers of liquid crystal micro-capsules having a uniform size...
5742368 Reflection liquid crystal display device  
A reflection liquid crystal display device which comprises a display substrate and a back substrate each having an electrode, and disposed in spaced opposition to each other; a liquid crystal layer...
5729307 Antiferroelectric LCD in which a normal to an antiferroelectric liquid crystal layer is orthogonal to a normal to a second antiferroelectric liquid crystal layer  
An antiferroelectric liquid crystal device of the present invention includes at least a first antiferroelectric liquid crystal cell and a second antiferroelectric liquid crystal cell, wherein the...
5726729 Liquid crystal display device  
A liquid crystal display device comprising a first substrate having a first electrode and a homeotropic aligning film formed thereon, a second substrate having a second electrode and a homogeneous...
5615032 Nightvision compatible display with electrically activated infrared filter  
An electrically activated infrared filter utilizes a mixture of infrared absorbing dyes in liquid crystal which normally presents a substantial cross section of dye to absorb the infrared component...
5589965 Wide viewing-angle dye-doped TN LCD with retardation films  
A wide viewing-angle twisted nematic liquid crystal display is provided. The wide viewing-angle is achieved by the application of properly aligned retardation films in between a 90° twisted...
5579142 Liquid crystal display device having pleochroic dye and particular relationship of ratio d/p.sub.o and twist angle  
A liquid crystal display device of the present invention includes: a pair of substrates, at least one of which is transparent; and a liquid crystal layer interposed between the pair of substrates,...
5576860 Liquid crystal display device in which the heights of the reflection plate projections are less than half the thicknesses of the two aligning films together  
A liquid crystal display device is disclosed. The display device uses a phase transition type guest-host mode. The device is made with a pair of substrates (31, 45). One substrate is a transparent...
5543944 Method of imbibing a component into a liquid crystal composite  
A method is disclosed for making a liquid crystal composite including a component such as a pleochroic dye. The component is imbibed into droplets of a liquid crystal material in a containment medium.
5508831 Liquid crystal display panel with a color layer having at least two color regions within one pixel and with a liquid crystal layer having two portions of differing bandwidths  
A liquid crystal display panel has a liquid crystal layer arranged between a pair of glass plates and a color filter arranged on one of the plates. The color filter has two color regions within one...
5506705 Goggle type display apparatus  
The goggle type display apparatus of this invention comprises a first image generating unit for providing an image for the left eye and a second image generating unit for providing an image for the...
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