94results about How to "Uniform alignment" patented technology

A process for producing aligned carbon nanotube films, wherein a carbon compound is decomposed using a substrate that is coated with an element having no catalytic ability by itself and which loads a metallic element having catalytic ability or a compound thereof, thereby forming a film of fine carbon nanotubes on the surface of the substrate which are aligned in a direction perpendicular to the substrate.

The present invention provides a liquid crystal display device capable of suppressing generation of the image sticking in AC mode and a polymer for alignment film materials. The present invention is a liquid crystal display device including:a pair of substrates;a liquid crystal layer containing liquid crystal molecules; andan alignment film,the liquid crystal layer being interposed between the pair of substrates,the alignment film being arranged on a liquid crystal layer side-surface of at least one of the pair of substrates,wherein the alignment film is obtainable by providing a film with an alignment treatment by photoirradiation,the film being formed from an alignment film material,the alignment film material including a polymer containing a first constitutional unit and a second constitutional unit,the first constitutional unit exhibiting a property of controlling alignment of the liquid crystal molecules by photoirradiation,the second constitutional unit exhibiting the property of controlling alignment of the liquid crystal molecules regardless of photoirradiation.

Such a polymerizable liquid crystal composition is to be provided that is excellent in stability in a solution state, shows good coating property on a supporting substrate, and has a uniform homeotropic alignment property. The polymerizable liquid crystal composition contains an acrylate compound, an epoxy compound and a bisphenol fluorene compound. The polymerizable liquid crystal composition contains a compound selected from a group of compounds represented by formulae (1-1) and (1-2) as a component (A), a compound selected from a group of compounds represented by formula (2) as a component (B), a compound selected from a group of compounds represented by formulae (3-1) to (3-3) as a component (C) and a compound selected from a group of compounds represented by formulae (4-1A), (4-1B), (4-2), (4-3), (4-4) and (4-5) as a component (D), and may optionally contain a compound selected from a group of compounds represented by formulae (5-1) and (5-2) as a component (E). The bisphenol fluorene compound is effective for controlling a uniform homeotropic alignment of the polymerizable liquid crystal composition.

When radiating light onto a liquid crystal composition containing a photosensitive material, the alignment of liquid crystal molecules is adjusted by applying a voltage to the liquid crystal composition layer, to achieve substantially orderly alignment of the liquid crystal molecules, or the alignment of the liquid crystal molecules is made uniform by adjusting the structure of the liquid crystal display device, or any display defect is driven out of the display area. When radiating light to the liquid crystal composition containing the photosensitive material, the alignment of the liquid crystal molecules can be adjusted so as to achieve substantially orderly alignment of the liquid crystal molecules, and the liquid crystal display device can thus be driven stably.

A photo mask including a slit-shaped light transmission section and a light source are arranged on an outside of a non-treated alignment film of which surface properties change by light radiated thereonto. With a relative positional relationship between the photo mask and the light source kept fixed, the optical alignment-treatment is conducted for the non-treated alignment film to obtain a treated alignment film to be used in a light controlling device employing a layer of liquid crystal. It is thereby possible to obtain a light controlling device of which the apparent refractive index of the liquid crystal layer is not easily influenced by a direction of incidence of light.

When radiating light onto a liquid crystal composition containing a photosensitive material, the alignment of liquid crystal molecules is adjusted by applying a voltage to the liquid crystal composition layer, to achieve substantially orderly alignment of the liquid crystal molecules, or the alignment of the liquid crystal molecules is made uniform by adjusting the structure of the liquid crystal display device, or any display defect is driven out of the display area. When radiating light to the liquid crystal composition containing the photosensitive material, the alignment of the liquid crystal molecules can be adjusted so as to achieve substantially orderly alignment of the liquid crystal molecules, and the liquid crystal display device can thus be driven stably.

The present invention provides: a composition for forming a liquid crystal alignment film capable of forming a liquid crystal alignment film excellent in evenness; and a liquid crystal display device. The present invention provides a composition for forming a liquid crystal alignment film, wherein the composition comprises: a material for forming a liquid crystal alignment film; diethylene glycol diethyl ether; diisobutyl ketone; and at least one of γ-butyrolactone and N-methyl-2-pyrrolidone as solvents.

The invention includes homeotropically aligned liquid crystal films obtained by applying a polymerizable liquid crystal composition containing at least one compound selected from the group consisting of polymerizable liquid crystal compounds represented by the following formula (1-1) to the following formula (1-3) onto a substrate having a polar surface, and polymerizing the composition: wherein R1 is methyl or ethyl; Z1 is a single bond, —COO—, —OCO—, —CH═CH—COO— or —CH2CH2—COO—; Z2 is —COO— or —OCO—; each Y is independently hydrogen or fluorine; X is —OCF3 or —CN; w is 0, 1 or 2; and a is an integer of 1 to 10.

A display substrate includes an insulation substrate, a common electrode, a cell gap maintaining part, a liquid crystal (LC) alignment support part and an oxide alignment layer. The common electrode is formed on the insulation substrate. The cell gap maintaining part is formed on the common electrode. The LC alignment support part of an organic material is formed on the common electrode. The oxide alignment layer is formed on the LC alignment support part. Therefore, the alignment speed and response speed of liquid crystal molecules may be enhanced.

The invention discloses a self-aligning liquid crystal display panel and a manufacturing method thereof. In the manufacturing method of the self-aligning liquid crystal display panel, the passivation layer of a TFT substrate is provided as an organic insulating film and organic substances on the surface of the organic insulating film are destroyed by a special treatment method so as to generate -OH and -COOH by decomposition, which facilitates the formation of hydrogen bonds between auxiliary alignment agent and the organic insulating film and increases the anchoring ability of the auxiliary alignment agent on the organic insulating film and solves the problems of the alignment force difference and the bright and dark line displaying defects caused by the surface difference between a pixel electrode and the passivation layer, and achieve even alignment. In addition, the display panel and the manufacturing method thereof further have the advantages that alignment film materials are saved, the related processes of alignment films are eliminated, and further the production cost of the liquid crystal display panels is reduced. The self-aligning liquid crystal display panels are obtained by the above method, achieve the even alignment and have a better displaying quality and do not need arranging the alignment films, so the production cost is lower.

To provide a polymerizable liquid crystal composition showing good coating properties even when a support substrate has a low solvent resistance, and having uniform alignment properties. A polymerizable liquid crystal composition is prepared by containing as components an acrylate polymerizable liquid crystal compound, a compound represented by formula (3), and a non-liquid crystalline compound having an acryloyl group or a methacryloyl group as a reactive moiety, and having a functional group including a hydroxyl group as a reactive dilution solvent in one molecule. When the polymerizable liquid crystal composition is applied onto the support substrate, dried and irradiated with light, the polymerizable liquid crystal composition showing good coating properties even when the support substrate has the low solvent resistance, and having the uniform alignment properties can be obtained.

When radiating light onto a liquid crystal composition containing a photosensitive material, the alignment of liquid crystal molecules is adjusted by applying a voltage to the liquid crystal composition layer, to achieve substantially orderly alignment of the liquid crystal molecules, or the alignment of the liquid crystal molecules is made uniform by adjusting the structure of the liquid crystal display device, or any display defect is driven out of the display area. When radiating light to the liquid crystal composition containing the photosensitive material, the alignment of the liquid crystal molecules can be adjusted so as to achieve substantially orderly alignment of the liquid crystal molecules, and the liquid crystal display device can thus be driven stably.

The invention provides optical exposure equipment, an exposure method adopted by the optical exposure equipment and a display device production system. The optical exposure equipment comprises an optical exposure mechanism and an exposure region for a substrate to be oriented; the optical exposure mechanism comprises an exposure unit and a stepping unit for driving the exposure unit to move; the exposure unit is used for carrying out exposure on the substrate to be oriented; the exposure unit comprises a plurality of light sources which are uniformly arranged at intervals; the stepping unit is used for driving the exposure unit to move; the movement direction of the exposure unit is the same as the arrangement direction of the light sources. According to the optical exposure equipment, by the arrangement of the stepping unit, the exposure unit can move to an illumination intensity relatively-weak region along with the stepping unit and meanwhile, the exposure unit can still have uniform illumination intensity after moving, so that the exposure unit is more uniform in carrying out optical exposure in the whole exposure process to further avoid causing defectiveness of an orientation film on the surface of the substrate to be oriented due to poor optical exposure uniformity, and thus, the quality of a display panel adopting the oriented substrate is further ensured.

An object is to uniformly align liquid crystal molecules without requiring a step of forming an alignment film. A material for forming a self-assembled monolayer is dispersed in a liquid crystal material, and the mixture is interposed between a pair of substrates by a liquid crystal injection method or a liquid crystal dropping method. A silane coupling agent (the material for forming a self-assembled monolayer) injected or dropped with the liquid crystal material adsorbs to a substrate interface (or a surface of an electrode formed over a substrate) after the injection or dropping, thereby forming a self-assembled monolayer. This self-assembled monolayer serves as an alignment film, and enables long axes of liquid crystal molecules to be approximately perpendicular to a substrate and the liquid crystal molecules to be uniformly aligned.

An optical compensation film capable of contributing to improvement in a viewing angle characteristic of a liquid crystal display device, especially an IPS mode liquid crystal display device is proposed. A composition comprises at least one onium salt, at least one rod-like liquid crystalline compound, and at least one additive capable of promoting a vertical alignment of molecules of the rod-like liquid crystalline compound at an air interface; and an optical compensation film comprising an optically anisotropic layer formed of the composition are disclosed.

The invention relates to an assembly of a fixed pane on a car body flange and to a fastening clip for mounting the fixed pane which has a molding arranged on the pane circumferential edge and wherein on the molding at least one retaining member facing towards the body flange is provided for accommodating said fastening clip before the fastening clip for mounting the pane to the body flange is fixed in an insertion through-hole of the body flange in an automatically locking manner.

A flexible display device may include a first panel including a multifunction film, a second panel arranged facing the first panel with a gap therebetween, the second panel including a substrate and electrodes formed on the substrate, and an electro-optical active layer disposed in the gap between the first panel and the second panel. The multifunction film may perform at least two of the following functions: aligning molecules in the electro-optical active layer, protecting the electro-optical active layer, keeping the thickness of the electro-optical active layer uniform, and serving as a flexible substrate.

A method for fabricating a capacitor of a semiconductor device comprises forming a silicon nanowire structure having a large aspect ratio using a porous anodic alumina structure and applying the silicon nanowire structure to a bottom electrode, thereby obtaining a capacitor having secured capacitance.

A product includes a surface on which a coupled complex is aligned, adherent, and stationary, obtained by a process that includes providing a support having a surface with a molecule with biological activity attached, contacting the surface with a sample containing a macromolecule to couple the macromolecule to the molecule on the surface, passing a meniscus over the coupled complex to align the coupled complex, and detecting the macromolecule in the coupled complex. The product is alternatively obtained by passing a meniscus over the molecule with biological activity prior to contacting the surface with a sample containing a macromolecule to couple the macromolecule to the molecule on the surface.

Disclosed are a switching lens and a method for manufacturing the same. The switching lens having liquid crystals of highly uniform orientation can be obtained by minimizing the thickness deviation of an alignment film formed on the whole curvature surface of a lenticular pattern. The switching lens of the present invention comprises a resin layer having a lenticular pattern and an alignment film on the resin layer. The alignment film covers the whole curvature surface of the lenticular pattern and has the maximum thickness equal to or less than 0.01 times the maximum radius of curvature of the lenticular pattern.

The main object of the invention is to provide a polarized light irradiation apparatus capable of providing a uniform alignment ability for an alignment film without using a highly parallelized light, and capable of conducting a photo-alignment in a larger area efficiently, and having an excellent durability. To this end, there is proposed a polarized light irradiation apparatus comprising: a light source; a projection device for projecting a light from the light source as a projection light including a non-parallel light; a polarizer for passing the projection light therethrough and comprising one glass plate disposed at a tilt by Brewster angle relative to an incident direction of a center part of the projection light, or comprising a plurality of glass plates disposed in parallel with each other at a predetermined interval and at a tilt by Brewster angle relative to the incident direction of the center part of the projection light; and a substrate transportation device for transporting an irradiation target substrate in a direction perpendicular to a straight line including a projection image which is obtained by projecting an incident plane of a light entering at the Brewster angle among the projection light onto the substrate.

The present invention is directed to a cosmetic applicator brush comprising a plurality of discs assembled relative to one another with each disc having a body with a plurality of bristles or combs extending radially therefrom, a conical, and a plurality of wires, where the plurality of wires pass through a wire passage of each of the plurality of discs, and the plurality of discs are stacked or linked without any angular offset or with a uniform angular offset so that alignment of bristles for the stacked discs is uniform. The conical is injection molded with the plurality of wires, and a top portion of the cosmetic applicator brush has the conical. After the plurality of discs are stacked or linked, the plurality of wires are twisted at a bottom portion of the cosmetic applicator brush so that the discs are securely linked or stacked.

Disclosed is a sintered magnet which is a rare-earth magnet using a less amount of a rare-earth element but having a higher maximum energy product and a higher coercivity. The sintered magnet includes a NdFeB crystal; and an FeCo crystal adjacent to the NdFeB crystal through the medium of a grain boundary. The FeCo crystal includes a core and a periphery and has a cobalt concentration decreasing from the core to the periphery. The FeCo crystal has a difference in cobalt concentration of 2 atomic percent or more between the core and the periphery. In the NdFeB crystal, cobalt and a heavy rare-earth element are unevenly distributed and enriched in the vicinity of the grain boundary.

The invention provides a liquid crystal display panel and a liquid crystal display device. The liquid crystal display panel comprises a data line, a scanning line, a first common line, a second common line, a main pixel part and a sub-pixel part; the first common line is used for providing a common voltage; the second common line is used for making the voltage of the sub-pixel part equal to a fixed value when the liquid crystal display panel is aligned; the voltage of the main pixel part is not equal to the voltage of the sub-pixel part. According to the liquid crystal display panel and the liquid crystal display device, provided by the invention, the display effect is improved.

An accumulation device for paper-like sheets comprises a conveying part, a clamping part, a guiding part and an accumulating part, which are connected serially. The conveying part is used for conveying the paper-like sheet to the clamping part. The clamping part comprises a drive shaft and multiple banknote-stacking wheels fixed to the drive shaft, and every banknote-stacking wheel is provided with multiple wheel blades having the same curvature. The paper-like sheet can be clamped between any two adjacent wheel blades and rotatably conveyed to the guiding part. The guiding part receives the paper-like sheet conveyed by the clamping part and guides the paper-like sheet to the accumulating part. The accumulating part is used for accumulating the paper-like sheet conveyed by the guide part. The paper-like sheets are reliably collected among the wheel blades and prevented from scattering, and thus the paper-like sheets can be uniformly arranged in order and stacked on the accumulating part.