60 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.

Aspects of the present disclosure provide a self-aligned microfabrication method, which can include providing a substrate having vertically arranged first and second channel structures, forming first and second sacrificial contacts to cover ends of the first and second channel structures, respectively, covering the first and second sacrificial contacts with a fill material, recessing the fill material such that the second sacrificial contact is at least partially uncovered while the first sacrificial contact remains covered, replacing the second sacrificial contact with a cover spacer, removing a remaining portion of the first fill material, uncovering the end of the first channel structure, forming a first source / drain (S / D) contact to cover the end of the first channel structure, covering the first S / D contact with a second fill material, uncovering the end of the second channel structure, and forming a second S / D contact at the end of the second channel structure.

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.

Three-dimensional 3D circuit (60) comprising: a first layer (61-1) comprising at least one first memory cell (65-0); a second layer (62-1) above the first layer (61-1), wherein the second layer (62-1) comprises at least one second memory cell (64-0), the second layer (62-1) being arranged in a vertical stack with the first layer (61-1) above the first layer (61-1); a third layer (61-X) below the first layer (61-1), wherein the third layer (61-X) comprises at least one third memory cell (65-4, 65-5, 65-6, 65-7) arranged below the first layer (61-1); a fourth layer (62-Y) above the second layer (62-1), wherein the fourth layer (62-Y) comprises at least one fourth memory cell (64-4, 64-5, 64-6, 64-7) which is arranged above the second layer (62-1);and a word line (63-1) shared by the first memory cell (65-0), the second memory cell (64-0), the third memory cell (65-4, 65-5, 65-6, 65-7) and the fourth memory cell (64-4, 64-5, 64-6, 64-7), wherein the word line (63-1) is a horizontal word line, the horizontal word line extending in a horizontal direction perpendicular to the direction of the vertical stack; and wherein the horizontal word line is arranged vertically between the first memory cell (65-0) and the second memory cell (64-0).

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.

Semiconductor device comprising: a semiconductor substrate (101A); several dielectric layers lying above the semiconductor substrate (101A) and defining a trench (181, 182), wherein the trench (181, 182) has several lateral depressions (191, 192); and a trench capacitor (130) that lies above the semiconductor substrate (101A) and fills the trench (181, 182), wherein the trench capacitor (130) has a first capacitor structure (131) and a second capacitor structure (132) which is laterally adjacent to the first capacitor structure (131), wherein the first capacitor structure (131) has a first lateral projection (151A-154A) extending towards and filling a first lateral depression of the multiple lateral depressions (191, 192), a second lateral projection (151B) extending towards the second capacitor structure (132), and a third lateral projection (152B) extending towards the second capacitor structure (132), wherein the second capacitor structure (132) has a fourth lateral projection (161A) extending towards the first capacitor structure (131) and arranged vertically between the second lateral projection (151B) and the third lateral projection (152B), wherein the multiple dielectric layers comprise a first set of dielectric layers (102A-102D) and a second set of dielectric layers (103A-103C) arranged alternately on top of each other, wherein the first lateral projection (151A) and the second lateral projection (151B) are formed in one of the first dielectric layers (102A-102D), the third lateral projection (152B) is formed in another of the first dielectric layers (102A-102D) and the fourth lateral projection (161A) is formed in one of the second dielectric layers (103A-103C), wherein a side wall of the second lateral projection (151B) contacts a first side wall of the second capacitor structure (132), wherein a side wall of the third lateral projection (152B) contacts a second side wall of the second capacitor structure (132), and wherein a side wall of the fourth lateral projection (161A) contacts a side wall of the first capacitor structure (131).

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.

Disclosed are a VACNT transfer method, a VACNT transfer system for the entire substrate, and a VACNT device. The VACNT transfer method comprises: a first step of cooling a substrate to be transferred, to condense and cool water vapor on the surface of the substrate to be transferred, thereby forming an ice layer; and a second step of liquefying the ice layer and then cooling same again, while VACNTs are disposed on the ice layer.

An optically anisotropic layer formed of a liquid crystal compound, having first and second layers in direct contact with different alignment states, the first layer is formed by fixing an alignment state of the liquid crystal compound in homogeneous alignment, and the second layer in homeotropic alignment, and the optically anisotropic layer satisfies a relationship of Expression (2A) Xmax / Xmin<1.10 when a region within a square having a largest size that can be drawn on a surface of the optically anisotropic layer is subdivided into 64 square-shaped sub-regions having the same area, a thickness d1 of the first layer and a thickness d2 of the second layer at a center position of the sub-region are obtained, X=d1 / (d1 +d2) Expression (1) for each sub-region is calculated, and among the calculated 64 X's, are a maximum value Xmax and a minimum value Xmin.

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.

A metasurface uses pairs of nanorod plasmonic resonators that are arranged perpendicular to each other and have an in-plane asymmetry and an out-of-plane asymmetry in their geometric arrangement. The metasurface can be used to provide chirality sensor that provides an enhanced vibrational circular dichroism signal. The sensor can be used in various different molecule-sensing applications.

The utility model relates to the field of display devices, in particular to a single-axis peep-proof display device which comprises a displayer used for displaying images and a peep-proof layer arranged on the displayer and further comprises a first polarized light layer, the first polarized light layer is attached to the outer side face of the displayer, and a polarized light axis in the first axial direction is arranged on the first polarized light layer. The peep-proof layer comprises a first transparent plate, a second transparent plate, a liquid crystal layer, a first alignment layer and a second alignment layer; the liquid crystal layer is formed by nematic liquid crystals doped with dark or black dichroic dye; the first alignment layer and the second alignment layer have a vertical alignment effect on liquid crystal molecules of the liquid crystal layer, so that the liquid crystal molecules and dye molecules are vertically arranged; the first transparent plate and the second transparent plate are arranged on the outer side of the first alignment layer and the outer side of the second alignment layer respectively, the single-shaft peep-proof display device can also be used as an automobile co-driver position displayer, and a driver is prevented from being distracted to watch display content of a co-driver position.