47 results about "Homeotropic alignment" patented technology

The invention discloses a cholesteric liquid crystal display driving method and a cholesteric liquid crystal display driving device for realizing dynamic video display, and belongs to the technical field of display. The method comprises the following steps: firstly, controlling a grid electrode and a source electrode driver to cooperatively work, and resetting a full-screen liquid crystal to a vertical arrangement state as a display reference; then applying a specific voltage signal to each pixel according to the current frame image data, so that the pixels are selectively kept in a vertical arrangement state or converted into a plane arrangement state to display a target image; then common electrode voltage polarity inversion is carried out, reverse voltage is applied for compensation, and finally the process is cycled to achieve image updating. The corresponding device comprises a display panel, a gate driver, a source driver and a time schedule controller for executing the method. According to the method and device, the refresh rate limitation of traditional cholesteric liquid crystal bistable switching is broken through, high-speed dynamic video display is achieved, meanwhile, the display reliability is effectively improved through polarity compensation, the service life is effectively prolonged through polarity compensation, and low power consumption and high compatibility are achieved.

The invention relates to a preparation method of a magnetic field-electric field synergistically driven Fe3O4-loaded graphene three-dimensional interlocking network / metal composite material, and belongs to the field of electronic packaging materials. An alternating magnetic field and a direct-current electric field are applied in the solidification process of metal melt, Lorentz force is used for driving graphene nanosheets loaded with Fe3O4 to rotate directionally and be arranged vertically, meanwhile, the electric field induces dissociation of graphene edge functional groups, chemical bonding with a metal matrix is enhanced, and a space interlocking heat conduction network is formed. The graphene reinforced metal composite material is obviously superior to a traditional graphene reinforced metal composite material and is suitable for a heat dissipation substrate of aerospace electronic equipment.

The invention provides a method for inhibiting the formation of Kirkendall holes in an In-based brazing filler metal welding interface by adopting a vertical twin structure, which comprises the following steps of: respectively adhering a layer of vertical twin structure to the surfaces of an upper metal substrate to be welded and a lower metal substrate to be welded which are subjected to surface treatment in an electro-deposition manner, wherein the size of the vertical twin structure is 5 * 5 mm, the thickness of the vertical twin structure is 20-40 mu m, and the thickness of the vertical twin structure is 10 * 10 mm; the method comprises the following steps: carrying out a thermocompression bonding experiment on a pure copper coating with a vertical orientation nano twin crystal structure at set bonding temperature, pressure and time; according to the technical scheme, by means of the structural characteristic that the diffusion coefficient of the vertically-arranged twin boundaries in the nano twin structure is low, the diffusion rate of interface elements is reduced, flux balance is maintained, and the low impurity characteristic of the vertically-oriented nano twin film is utilized, so that formation of Kirkendall voids in the welding interface is limited. The method provided by the invention is simple and convenient to operate, and has great significance for improving the connection reliability of the In-based low-temperature bonding system.

The present invention addresses the problem of providing an optical filter and an optical system using a liquid crystal polarization interference element which, when used for a band-pass filter or the like, can inhibit fluctuation in the wavelength of light exhibiting a maximum transmittance even when the light is incident from an oblique direction. The problem is solved by the configuration in which the liquid crystal polarization interference element includes two or more sets each made up of a first liquid crystal layer and a second liquid crystal layer, the first liquid crystal layer and the second liquid crystal layer including a liquid crystal layer R obtained by fixing a horizontally arrayed rod-shaped liquid crystal compound and a liquid crystal layer D obtained by fixing a vertically arrayed discoid liquid crystal compound. The liquid crystal layer R and the liquid crystal layer D have parallel slow axes and equal in-plane retardation. Furthermore, the in-plane slow axes of the first liquid crystal layer and the second liquid crystal layer intersect each other.

An electronic eyewear device including a spatial dimming pixel panel within an optical assembly that delivers improved backlighting conditions for displayed images. The spatial dimming pixel panel is spatially dimmed where an image is positioned on a display, and the unoccupied area of the display is not dimmed (undimmed), thereby unaltering the real-world view through that portion of the display. The spatial dimming pixel panel is made of multiple liquid crystal cells arranged in a gridded orientation with a dye-doped or guest-host liquid crystal system having a phase change mode with homeotropic alignment. The spatial dimming pixel panel absorbs nonpolarized light when a voltage is applied across the cells and passes nonpolarized light in the absence of a voltage across the cells.

The present invention addresses the problem of providing an optical filter using a liquid crystal polarization interference element capable of suppressing variation in the wavelength at which maximum transmittance of light is exhibited even when the light is incident from an oblique direction, and to provide an optical system using the optical filter. The above problem is solved by a configuration in which a liquid crystal polarization interference element has two or more sets comprising a first liquid crystal layer and a second liquid crystal layer, the first liquid crystal layer and the second liquid crystal layer including a liquid crystal layer R in which a horizontally aligned rod-shaped liquid crystal compound is fixed and a liquid crystal layer D in which a vertically aligned discoid liquid crystal compound is fixed, the liquid crystal layer R and the liquid crystal layer D having parallel slow axes and equal in-plane retardation, and the in-plane slow axes of the first liquid crystal layer and the second liquid crystal layer intersecting.

This application relates to the field of encapsulation materials technology, and more particularly to an encapsulation film and its preparation method, and flexible electronic devices. The encapsulation film of this application includes: an elastomer base film and a composite filler located within the elastomer base film. The composite filler includes an inorganic filler and a polymer coating layer covering the surface of the inorganic filler; wherein the inorganic filler has a one-dimensional and / or two-dimensional morphology, and at least a portion of the inorganic filler is arranged perpendicularly to the plane of the elastomer base film. Based on the combined effect of the elastomer base film and the composite filler, this application enables the encapsulation film to possess both tensile strength and high thermal conductivity, making it well-suited for use in the field of flexible electronic packaging.

The application discloses a display module, an assembling method, a control method, a device and a medium. When a camera opening signal is responded to, the first switching time of the diaphragm working state of the first conductive diaphragm and the second switching time of the diaphragm working state of the second conductive diaphragm are adapted, and driving is applied to the display area corresponding to the projection of the first conductive diaphragm and the second conductive diaphragm on the display screen, so that the liquid crystal molecules located in the display area are all arranged perpendicularly to the display area and enter the display closing state. Based on the high light transmission of the first conductive diaphragm and the high light transmission of the second conductive diaphragm, the camera in the opening state can perform high-quality shooting without reducing the pixel size or density of the display screen where the display area is located. When a camera closing signal is responded to, the first conductive diaphragm and the second conductive diaphragm are controlled to be powered off, and the display area is controlled to enter the display opening state, so that the display brightness difference is avoided, and the display quality is improved.

A substrate processing system according to one embodiment includes: a cleaning device for cleaning a substrate and located in a first position; a drying device for drying a substrate and located in a second position; and a transfer unit for transferring the substrate from the cleaning device to the drying device, wherein the first position and the second position may be arranged in a vertical manner.

An electro-optic modulator includes a glass layer, which may include a conductive layer. A first homeotropic alignment layer is disposed on the glass layer. A liquid crystal layer is disposed on the first homeotropic alignment layer opposite the glass layer. A second homeotropic alignment layer is disposed on the liquid crystal layer opposite the first homeotropic alignment layer. A reflective mirror is disposed on the second homeotropic alignment layer opposite the liquid crystal layer. The liquid crystal layer includes a negative dielectric liquid crystal.

A polymer network stabilised liquid crystal material (PN-LCs) having a ferroelectric liquid crystal phase is presented. Claimed is a process of aligning liquid crystal mixtures exhibiting a ferroelectric nematic or ferroelectric smectic A liquid-crystalline phase in a polar vertical state in relation to a boundary surface. The liquid crystal mixture is stabilized by a polymer network in a vertical alignment relative to the substrate planes enclosing the mixtures. In addition, the present invention relates to electric and electronic elements which contain the poled and aligned ferroelectric liquid crystal material according to the invention.

This invention relates to a liquid crystal electrically controlled reflector capable of breaking the reflectivity limit, comprising, from front to back, a first liquid crystal device, a second liquid crystal device, a first reflective polarizer, and a second reflective polarizer. The main body of the first liquid crystal device is a first liquid crystal cell sandwiched with a first liquid crystal layer. The first liquid crystal layer is composed of negative liquid crystal doped with dichroic dyes. In its natural state, the negative liquid crystal molecules and the dichroic dye molecules are perpendicularly aligned, while in the driven state, the negative liquid crystal molecules drive the dichroic dye molecules to deflect along a second axis. The second liquid crystal device has a 90° optical rotation function in its natural state, but no optical rotation function in the driven state. This invention not only achieves efficient reflection of two beams of orthogonally polarized states simultaneously in its high-reflectivity operating mode, significantly improving the overall reflectivity, but also reduces the reflectivity to a minimum level in its low-reflectivity operating mode.

A substrate processing system, according to one embodiment, comprises: a cleaning device, positioned at a first position, for performing a cleaning process for a substrate; a drying device, positioned at a second position, for performing a drying process for the substrate; and a transfer unit for transferring the substrate from the cleaning device to the drying device, wherein the first position and the second position may be vertically arranged.

To provide a liquid crystal medium.SOLUTION: The present invention relates to a liquid crystal (LC) medium or a liquid crystal (LC) material, based on a mixture of polar compounds, and to its use for optical, electro-optical, and electronic purposes, in particular in LC displays, especially in vertically aligned mode and / or fringe field switching mode LC displays, and further to vertically aligned mode and / or fringe field switching mode LC displays, particularly energy-saving LC displays, comprising the LC medium, as well as to a method for producing the LC display.SELECTED DRAWING: None

The invention discloses a preparation method of a field effect transistor sensor based on nanosheet self-assembly morphology transition metal carbide and detection application of cTnI of the field effect transistor sensor. The preparation method comprises the following steps: step 1, preparing nanosheet self-assembly morphology MXene: step a, etching by taking a TiAlCMAX phase as a raw material; step b, dispersing the etched MXene nanosheets in a CTAB (Cetyltrimethyl Ammonium Bromide) template agent solution, and enabling the etched MXene nanosheets to form a structure in which the nanosheets are vertically arranged on an oil-water interface; c, fixing the three-dimensional network structure on the MXene nanosheet by adopting a freeze drying-confinement annealing method; step d, modifying the MXene material prepared in the step c by using a glutaraldehyde GA cross-linking agent; and 2, preparing the field effect transistor sensor of the nanosheet self-assembly morphology transition metal carbide based on the material prepared in the step 1. The sensor prepared by the invention can realize ultra-sensitive detection of cTnI.

In a VA mode liquid crystal display device in which discharge wiring is arranged so as to at least partially overlap the slit formed in the pixel electrode, the reduction in contrast ratio is suppressed. [Solution] The liquid crystal display device comprises first and second substrates and a vertically aligned liquid crystal layer. The first substrate has gate wiring, source wiring, and pixel electrodes. Each pixel includes first and second sub-pixels, and the pixel electrodes include first and second sub-pixel electrodes. The first substrate has a first TFT connected to the first sub-pixel electrode, a second TFT connected to the second sub-pixel electrode, a third TFT connected to the second TFT and the second sub-pixel electrode, and discharge wiring connected to the third TFT. The pixel electrodes have slits that at least partially overlap the discharge wiring in a plan view, and the first or second substrate has a light-shielding layer including a light-shielding portion that is positioned to at least partially overlap the slits in a plan view.

An electronic eyewear device including a spatial dimming pixel panel within an optical assembly that delivers improved backlighting conditions for displayed images. The spatial dimming pixel panel is spatially dimmed where an image is positioned on a display, and the unoccupied area of the display is not dimmed (undimmed), thereby unaltering the real-world view through that portion of the display. The spatial dimming pixel panel is made of multiple liquid crystal cells arranged in a gridded orientation with a dye-doped or guest-host liquid crystal system having a phase change mode with homeotropic alignment. The spatial dimming pixel panel absorbs nonpolarized light when a voltage is applied across the cells and passes nonpolarized light in the absence of a voltage across the cells.

The present invention addresses the problem of providing a laminated optical element that, when used in a bandpass filter or the like corresponding to a plurality of wavelengths, can suppress fluctuations in the wavelength of light exhibiting a maximum transmittance even when light is incident from an oblique direction, and an optical filter and an optical system that use the same. This laminated optical element comprises a plurality of liquid crystal polarization interference elements each having two or more sets each comprising a first liquid crystal layer and a second liquid crystal layer, each liquid crystal layer having a horizontal alignment layer in which rod-shaped liquid crystal compounds are horizontally aligned and a vertical alignment layer in which rod-shaped liquid crystal compounds are vertically aligned, the first liquid crystal layer and the second liquid crystal layer having in-plane slow axes that cross each other in the respective horizonal alignment layers, and having equal in-plane retardation, and each of the liquid crystal polarization interference elements having a different in-plane retardation of the first liquid crystal layer, thereby solving the above problem.

The invention relates to a liquid crystal electric control reflecting mirror capable of breaking through reflectivity limit. The liquid crystal electric control reflecting mirror comprises a first liquid crystal device, a second liquid crystal device, a first reflection type polaroid and a second reflection type polaroid which are sequentially arranged from front to back. A main body of the first liquid crystal device is a first liquid crystal box provided with a first liquid crystal layer in a clamping mode, the first liquid crystal layer is composed of negative liquid crystals doped with dichroic dye, and negative liquid crystal molecules and dichroic dye molecules of the first liquid crystal layer are in a vertical arrangement state in a natural state. In the driving state, the negative liquid crystal molecules drive the dichroic dye molecules to deflect in the second axial direction; the second liquid crystal device has a 90-degree optical rotation function in a natural state and has no optical rotation function in a driving state. According to the invention, efficient reflection of two light beams in an orthogonal polarization state can be realized at the same time in a high-reflection working mode, so that the overall reflection brightness is obviously improved, and the reflectivity can be reduced to the lowest level in a low-reflection working mode.

An electro-optic modulator includes a glass layer, a homeotropic alignment layer disposed on the glass layer, a liquid crystal layer disposed on the homeotropic alignment layer opposite the glass layer, and a reflective mirror disposed on the liquid crystal layer opposite the homeotropic alignment layer. The liquid crystal layer includes a surfactant.

This invention discloses a side-chain modified non-fullerene acceptor material and its application in ternary planar heterojunction organic solar cells, relating to the field of organic optoelectronic materials and devices. The side-chain modified non-fullerene acceptor material is designed and synthesized through a side-chain engineering strategy and can be used as a third component in ternary planar heterojunction organic solar cells. This material is highly compatible with classical planar heterojunction systems (such as PM6 / Y6). By adding it to either the donor or acceptor phase, the interfacial energy levels of the active layer can be finely controlled, and the vertical alignment and crystallinity of molecules can be optimized, thereby synergistically improving the photon capture efficiency and charge transport performance of the device. This invention provides an effective material strategy for resolving the contradiction between photon capture and charge transport in planar heterojunction devices, offering a new approach for developing high-efficiency, low-energy-loss ternary organic solar cells.

A package comprising a substrate comprising a plurality of substrate interconnects, wherein some substrate interconnects from the substrate interconnects are located on at least one substrate metal layer; an integrated device coupled to the substrate; and a passive device coupled to the substrate, wherein the passive device comprises at least one dielectric layer; and a plurality of interconnects, wherein the plurality of interconnects comprise a first plurality of interconnects that are located on a plurality of metal layers, and wherein the plurality of metal layers are aligned in a direction that is orthogonal to the at least one substrate metal layer of the substrate; and an encapsulation layer that at least partially encapsulates the integrated device and the passive device.

The invention relates to a liquid crystal (LC) medium or liquid crystal (LC) material based on a mixture of polar compounds, to the use thereof for optical, electro-optical and electronic purposes, in particular in LC displays, in particular in vertical alignment mode and / or fringing field switching mode, the present invention relates to an LC display, in particular an energy-saving LC display, comprising a vertical alignment mode and / or fringe field switching mode of an LC medium, and to a method of manufacturing an LC display.

In apparatus capable of switching a mirror state and an image displaying state, a liquid crystal mirror unit 2′ is provided ahead of an image displaying unit 1. The liquid crystal mirror unit 2′ has as a vertical alignment-type liquid crystal layer 21′, first and transparent electrodes 22, 23 sandwiching the vertical alignment-type liquid crystal layer 21′, an absorption-type polarizing plate 24 having a first transmitting axis TX1 for transmitting first linearly polarized light and absorbing second linearly polarized light intersecting the first linearly polarized light, and a reflection-type polarizing plate 25 having a second transmitting axis TX2 for transmitting the second linearly polarized light and reflecting the first linearly polarized light. A control circuit 3 sweeps a drive voltage VD between the first and second transparent electrodes of the liquid crystal mirror unit 2′ for a predetermined sweeping time TS to increase the drive voltage from an OFF state of the vertical alignment-type liquid crystal layer 21′ via an initial voltage VS to a predetermined voltage Vmax causing an ON state of the vertical alignment-type liquid crystal layer 21′.

The invention discloses a hexagonal lattice chiral sensor based on symmetric broken BIC and a detection method, the hexagonal lattice chiral sensor comprises a metasurface structure unit, the metasurface structure unit comprises nanometer substrates, the nanometer substrates are periodically arranged to form a hexagonal lattice structure, the metasurface structure unit also comprises a first nanometer block and a second nanometer block which are vertically arranged to form a T shape, an asymmetric parameter exists between the central axis of the first nano block and the central axis of the second nano block and the central axis of the metasurface structure unit, and symmetric breaking is achieved by adjusting the asymmetric parameter; the method comprises the following steps: dropwise adding a to-be-detected sample solution to the surface of the hand sensor; respectively and vertically irradiating the chiral sensor by using a left-hand circularly polarized wave and a right-hand circularly polarized wave; measuring the transmission response of the chiral sensor to different circularly polarized waves to obtain a CD spectrum; the sensitivity and the quality factor of the metasurface chiral sensor are obtained by measuring the offset of the CD spectrum peak value and the full width at half maximum of the CD peak, and the resolution ratio and the detection capability of the chiral sensor are improved.

The present invention relates to a liquid crystal (LC) medium comprising several polymerizable compounds and an additive for homeotropic alignment as further defined in the description or claims. The medium is suitable for use in LC displays, in particular LC displays of the polymer-stabilized alignment type, when one or both conventional alignment layers are omitted.

This substrate storage container comprises: a container body capable of storing a plurality of substrates vertically in multiple stages; a lid body that closes an opening on a front surface of the container body; a front retainer provided on the lid body; and a support structure that is provided on left and right side surfaces or a back surface of the container body and holds the plurality of substrates between the front retainer and the support structure in a state in which the opening of the container body is closed by the lid body. The front retainer has: a base part that is attached to the lid body; and a plurality of substrate pressing parts that are disposed in the vertical direction and each include a holding part that supports the substrate. The holding part includes a holding groove for holding the substrate, a lead-in surface for raising the substrate to the holding groove, and a pull-out surface for pulling out the substrate from a receiving groove of the support structure. The boundary between the pull-out surface and the lead-in surface is formed as a curved surface. The radius of curvature of an outer portion of the curved surface that is close to the left and right side surfaces is greater than the radius of curvature of an inner portion of the curved surface that is far from the left and right side surfaces.

Provided is a method capable of simultaneously producing multiple sheets of an SiC single crystal substrate having a small amount of warpage, a low basal plane dislocation density, and a large crystal growth thickness. This method involves: a step for preparing a plurality of containers; a step for arranging, in each of the containers, an SiC single crystal as a seed crystal and SiC powder mixture containing SiC powder and a liquid phase generation aid so as to form an SiC powder mixture layer in which the SiC powder mixture is in contact with at least one plane of the SiC single crystal, wherein the liquid phase generation aid contains an oxide; a step for arranging the containers so as to be aligned with each other in the horizontal direction and / or the vertical direction in a firing furnace; and a step for heating the inside of the firing furnace so as to form a temperature gradient in which the temperature is increased or decreased from an upper portion toward a lower portion to subject the containers containing the seed crystal and the SiC powder mixture to heat treatment at an average furnace temperature of 2240-2560°C, thereby growing the SiC single crystal on the seed crystal.

This invention discloses a vertically arranged double-narrow-window sight glass for observing the liquid surface state in a fermenter, comprising a sight glass assembly, a connecting frame, and a sealing and reinforcing device. The sight glass assembly consists of two vertically arranged narrow transparent windows fixed together by a partition plate. The partition plate has flow channels and guide protrusions. The connecting frame has an embedded flexible sealing strip and an external mounting flange and a high-temperature resistant sealing ring. The sealing and reinforcing device uses an outer pressure ring and an inner support ring to form a double-sealing structure. This invention expands the observation range through the double-window design, reduces media interference through an anti-fog coating, flow channels, and guide protrusions, and improves pressure resistance through multiple seals, effectively adapting to high-temperature and high-pressure environments, reducing leakage risks, improving observation accuracy and equipment reliability, and providing support for precise control of the fermentation process.

A substrate processing apparatus includes: a carrier block including carrier placement parts and configured to load / unload a substrate into / from a carrier; a processing block provided on one side of the carrier block to process the substrate; first and second carrier placement parts of the carrier placement parts and provided side by side in a front-rear direction in a plan view; substrate placement parts provided to be arranged step by step vertically on one side of a substrate transfer region formed between the first and second carrier placement parts; a first substrate transfer mechanism provided in the substrate transfer region to deliver the substrate between the carrier of the first carrier placement part and a first substrate placement part of the substrate placement parts; and a second substrate transfer mechanism for moving upward and downward so as to deliver the substrate between first and second substrate placement parts.