Matches 151 - 200 out of 201 < 1 2 3 4 5 >
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4521080 Field effect mode liquid crystal display  
A nematic-phase liquid crystal material is sandwiched between two opposing parallel plates at least one of which is transparent. The two parallel plates are respectively coated with transparent...
4494824 Liquid crystal display with small impedance orienting film  
A liquid crystal display device comprises a pair of opposed substrates, a transparent electrode on at least one of the substrates, a liquid crystal composition, a characteristic orienting film...
4469409 Homogeneous alignment layer for liquid crystal display device  
A liquid crystal display device comprises transparent electrode substrates having an aligning coating film of a homogeneous mixture comprising a silanol oligomer modified by an aromatic...
4433900 Permanent display liquid crystal device via voltage application  
A liquid crystal display device having a layer of liquid crystals sandwiched between a pair of substrates, of which at least one substrate is transparent, is characterized in that the liquid...
4423927 Optical, temporal bandpass filter  
A twisted nematic liquid crystal optical, temporal bandpass filter device for transmitting optical images only having the time response near a given frequency. The device is comprised of two linear...
4418987 Polarizer arrangement for a significant improvement in viewing angle characteristic in a liquid crystal display  
A pair of polarizers are respectively attached to a pair of substrates forming a twisted nematic field effect mode liquid crystal display. An orientation control film is disposed on each of the...
4412724 Striating liquid crystal display substrates with ultrasonically cavitating bubble beams  
There is disclosed herein a method for producing a liquid crystal display or cell which has a liquid crystal film positioned between a pair of substrate members whose surfaces have been...
4409268 Liquid crystal display panels and process for their production  
In a liquid crystal display panel in which a plastic film provided with a transparent conductive film is used as a panel substrate, the liquid crystal display panel having an orientation treated...
4405208 Liquid crystal display devices with polyimide-siloxane copolymer resin alignment film  
There provides a liquid crystal display device which comprises a pair of opposed substrates, a transparent electrode on at least one of the substrates, a liquid crystal composition and a...
4400060 Cell isolation in bistable nematic liquid crystal cells  
In order to prevent drift between the two stable states in the bulk of the liquid crystal material, a specific cell isolation region formed from the same liquid crystal material is required. This...
4387964 Electron addressed liquid crystal light valve  
This light modulating device comprises three subsystems: an electron gun which produces a scanning constant intensity electron beam, a liquid crystal cell, and an appropriate optical system to...
4376567 Liquid crystal display device  
A two-layer twisted nematic type liquid crystal display device for providing improved contrast is provided. The interior surfaces of the transparent electrode plates of the cells have been treated...
4353943 Aligning liquid crystal layers  
In a liquid crystal cell parallel homogeneous alignment of the liquid crystal molecules is provided by rubbing a silica or silica containing film produced by firing a silica containing organic...
4309814 Manufacture of a multi-layered liquid crystal display panel  
A method for making a multi-layered liquid crystal display panel is provided herein. More particularly, the method enables double-sided rubbing on at least one of a plurality of stacked glass...
4278326 Liquid crystal display element  
In a twisted nematic type liquid crystal display element wherein two electrode substrates, in which an electrode having desired patterns and an orientation controlling film for facilitating the...
4261650 Method for producing uniform parallel alignment in liquid crystal cells  
A method of treating the surface of substrates used in liquid crystal display cells so that the surface forces the liquid crystal director to be aligned uniformly over the entire surface and...
4252414 Liquid crystal display element  
In a liquid crystal display element having a twisted structure wherein the periphery of two transparent glass substrates having electrodes according to desired display patterns is sealed with a...
4247174 Liquid crystal cell  
A liquid crystal cell, which has two carrier plates spaced apart to form a cavity for receiving a liquid crystal layer, the plates on a surface facing the liquid crystal layer being provided with...
4240710 Holding plate for a twisted nematic alignment field effect mode (TNFEM) liquid crystal display  
An alignment structure provided in a twisted nematic field effect mode (TN-FEM) liquid crystal display includes, a first insulating layer deposited substantially along the normal direction of one...
4232946 Liquid crystal alignment layers  
Two alignment films are deposited on a liquid crystal substrate. Each film is deposited at an angle of about 5° with respect to the substrate surface. The projection on the substrate of one...
4231639 Poly-layer liquid crystal display device  
A poly-layer nematic liquid crystal display device is constructed for operation in the twisted nematic mode, the surfaces of the plates are oriented for rotating the plane of polarization of...
4151326 Holding plate for liquid crystal  
A holding plate for a liquid crystal having an electrode on the side contacting with the liquid crystal, characterized in that the plate is coated with a film comprising a certain specific silane...
4128314 Liquid-crystal indicator  
The present invention relates to a liquid-crystal indicator, wherein a layer of nematic liquid crystals is interposed between two transparent multi-layered blocks. Each of the multi-layered blocks...
4116658 Method of coating substrate for liquid crystal display device  
A method of treating the substrate for a liquid crystal display device to permit unidirectional alignment of the liquid crystal molecules, comprising the steps of forming a silicon dioxide film on...
4084884 Liquid crystal devices  
It has been found that twisted nematic liquid display devices can have a patchy appearance as a result of two problems concerned with degeneracy of the orientation of the molecules in the "on" and...
4068923 Electro-optical cell  
An electro-optical cell for field-effect type liquid crystal display comprises: A pair of electrode base plates each comprising a transparent base plate and an electrode film adhering to one...
4043634 Liquid crystal electro optical element  
A liquid crystal electro-optical element which comprises a nematic liquid crystal composition having a positive dielectric anisotropy which is composed of p-n-alkylbenzylidene-p'-cyanoaniline and...
4043640 Liquid crystal twist cell with grey scale capabilities  
A liquid crystal twist cell is disclosed in which the transmission characteristics may be conveniently controlled so as to produce a grey scale. The elastic constants of the crystal are maintained...
4038439 Method for producing selected alignment in liquid crystal  
A method of treating the surface of substrates used in liquid crystal display cells so that the surface forces the alignment of the liquid crystal layer to be either parallel with the substrate...
4033671 Liquid crystal twist cells  
An improved liquid crystal twist cell with significant reduction in the undesirable "optical bounce" and off axis interference phenomena is described.
4023259 Method of making liquid crystal display device having extended service life  
A field-effect liquid crystal display device has cell plates, the interior surfaces of which are covered with a film of synthetic resin. The grooves required for optical activity of the liquid...
3995949 Liquid crystal display device of increased life expectancy  
A liquid crystal display device utilizes birefringent liquid crystals in a twisted mode in combination with a pair of polarizing plates the system being so mounted that the ordinary beam provides...
3994567 Electro-optical cell for field effect type liquid crystal display  
An electro-optical cell comprises, on an optical path, a pair of electrode base plates and a nematic liquid crystal material having a positive dielectric anisotropy and sandwiched between the...
3991241 Liquid crystal device  
A liquid crystal device comprises a substrate having a surface treated with a solution including at least one kind of carboxylatochromium (III) complex, and a liquid crystal in contact with the...
3982820 Liquid crystal display device  
A liquid crystal display device comprising a pair of transparent substrates each provided with a transparent conductive film on the interior surface, boron nitride coating layers disposed on inner...
3977767 Electro-optical cell  
An electro-optical cell comprises, on an optical path: front and back electrode base plates each comprising a transparent base plate having an inner surface, an electrode film provided on said...
3967882 Liquid crystal display device having extended service life  
A field-effect liquid crystal display device has cell plates, the interior surfaces of which are covered with a film of synthetic resin. The grooves required for optical activity of the liquid...
3966305 Liquid crystal cell with improved alignment  
In a liquid crystal display device the homogeneous alignment of twisted nematic liquid crystal molecules is accomplished by providing a first thin dielectric layer on the inner surfaces of each of...
3964158 Method of making a liquid crystal display cell  
The present invention relates to a liquid crystal display cell having an alignment film therein. The present invention also relates to a method of aligning liquid crystal molecules in a selected...
3963324 Liquid crystal display assembly  
An improved assembly for a liquid crystal display of the polarized light shutter type is obtained by applying to the facing surfaces of transparent parallel plates, between which a layer of liquid...
3961843 Liquid crystal electro-optical device  
In a structure comprising a pair of facing electrode plates and a layer of a nematic liquid crystal having a positive dielectric anisotropy, which is supported between said facing electrode plates,...
3954325 Multilayer ceramic-based liquid crystal display  
The present invention provides an optical display device including a liquid crystal display integrated into a multilayer ceramic substrate assembly. The ceramic substrate may include cavities in...
3951845 Nematic liquid crystal mixtures having homogeneous boundary conditions and method of making the same  
Nematic liquid crystal mixtures characterized by a homogeneous boundary condition are prepared by the addition of soluble compounds having at least two polar groups to nematic liquid crystals of...
3947185 Field effect liquid crystal display device  
In a field effect twisted nematic mode liquid crystal display device the fraction of the total number of liquid crystal molecules assembled into helical structures having the same direction of...
3941454 Display device with oriented liquid crystals  
In a display device using liquid crystals, including opposed transparent insulating plates which define the volume containing said liquid crystals, the inner surfaces of said transparent plates are...
3941901 Surface alignment method for liquid crystal cells and production of polarizers therefor  
Method for producing homogeneous surface alignment of liquid crystal materials by applying to the surfaces of transparent plates bounding a liquid crystal film a polymer which is subjected to a...
3938242 Fabrication of liquid crystal devices  
A layer of unoxidized metal is provided on surfaces of the device in such manner as to possess an oriented microstructure capable of causing sympathetic alignment of the liquid crystal molecules....
3885860 Fabrication of liquid crystal devices  
In liquid crystal devices employing twisted nematic materials, surfaces of the device enclosure are provided with oriented microstructures along which the molecules of the liquid crystal material...
3836231 UNIFORM LIQUID CRYSTAL CELLS AND METHOD FOR MAKING THE SAME  
Liquid crystal displays with uniformly clear appearance and long lifetimes are described as comprising thin inert coatings applied to the surface of substrates which may include conductive layers...
3834792 ALIGNMENT FILM FOR A LIQUID CRYSTAL DISPLAY CELL  
The present invention relates to a liquid crystal display cell having an alignment film therein. The present invention also relates to a method of aligning liquid crystal molecules in a selected...
Matches 151 - 200 out of 201 < 1 2 3 4 5 >