51 results about "Vertical alignment" patented technology

The present disclosure relates to a bulk acoustic wave (BAW) device with electrostatic discharge (ESD) protection. The disclosed BAW device includes a substrate (106), an ESD protection layer (106) over the substrate (106), a first bottom reflector (109-1) over the ESD protection layer (108), a first bottom electrode (112-1) over the first bottom reflector (109-1), a first top electrode (118-1) vertically aligned with the first bottom electrode (112-1), and a piezoelectric layer (116C) vertically between the first bottom electrode (112-1) and the first top electrode (118-1). Herein, the ESD protection layer (108) is electrically insulating and eligible to achieve at least a 400 V breakdown voltage with a 200 nm thickness. The first bottom reflector (109-1) includes a stack of alternating high acoustic impedance conductive layers (120A-E) and low acoustic impedance conductive layers (120A-E). The first bottom electrode (112-1) is electrically connected to the first bottom reflector (109-1). A breakdown voltage of the piezoelectric layer (116C) is no more than the breakdown voltage of the ESD protection layer (108).

This invention relates to liquid crystal media comprising polymerizable compounds. Specifically, this invention relates to liquid crystal (LC) media comprising a polymerizable component A containing polymerizable compounds, at least one of which is a polymerizable self-aligning additive of formula MES-Ra(I) for vertical alignment, and a liquid crystal LC component B comprising one or more mesocrystalline or liquid crystal compounds selected from formulas CY and PY, wherein the formulas are as follows and defined in the claims, and other additives (HH) comprising organic molecules having groups having at least six of the following formulas.

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.

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.

A surface acoustic wave (SAW) filter includes a bottom substrate, a piezoelectric layer disposed above the bottom substrate and having a bottom surface facing the bottom substrate and a top surface opposite to the bottom surface, a cavity disposed below the piezoelectric layer, a first interdigital transducer (IDT) disposed on the bottom surface of the piezoelectric layer, and a second IDT disposed on the top surface of the piezoelectric layer. An interdigital portion of the first IDT is exposed in the cavity. An interdigital portion of the second IDT is vertically aligned with the interdigital portion of the first IDT.

The present invention provides an encoder for facilitating horizontal alignment, vertical alignment, and phase alignment of the encoder, and an encoder alignment method for easily aligning the encoder with respect to a rotating device. According to the present invention, an encoder in which alignment is performed through fastening and separation of a lock device comprises: a hub coupled to a rotating device; a disk coupled to the hub and rotating together with the rotating device; a receiving unit for receiving a signal corresponding to a pattern of the disk; a circuit board provided with the receiving unit; and a body unit supporting the circuit board. Horizontal alignment and vertical alignment are performed in a state in which the lock device is fastened to the body unit, and phase alignment is performed in a state in which the lock device is separated from the body unit.

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.

This disclosure provides systems, methods, and devices that support machine learning techniques for vehicle guidance. In one aspect, a method is provided that includes receiving an image frame from an image sensor, determining a projected image frame to correct a vertical axis of the image frame, and generating a top-down representation of the environment based on the projected image frame. The projected image frame may be aligned with the top down representation's vertical axis and may be projected using a cylindrical family projection. The top-down representation may be produced by assembling depth and context matrices from vertically aligned pixels in the projected image frame.

A data display device and a molding machine are provided. A control unit displays a monitor screen. The monitor screen is capable of displaying a first data display section and a second data display section. In the first and second data display sections, a plurality of data sets are displayed in vertical alignment in chronological order, each of the data sets including a plurality of data items related to one molding operation displayed in a row. If a switch split-screen display button is touched while only the first data display section is displayed, the second data display section is displayed in vertical alignment with the first data display section. If the switch split-screen display button is touched while the first data display section and the second data display section are displayed, the second data display section is cleared and only the first data display section is displayed.

The invention discloses a preparation method of a high-contrast GHLC dimming device, and belongs to the field of functional liquid crystal material preparation. The problems that an existing GHLC technology is narrow in light transmittance adjusting range and low in dark-state haze are solved. The method comprises the following steps: 1, heating, stirring and mixing a dye, a liquid crystal material and an ion dopant to obtain a liquid crystal system; and 2, filling the liquid crystal system into a vertical alignment liquid crystal box. The manufacturing method is used for manufacturing the high-contrast GHLC dimming device.

The invention discloses an auxiliary device for inductor assembling, and relates to the field of inductor assembling, the auxiliary device is used for assembling an annular inductor, the annular inductor comprises a magnetic core and two windings wound on the magnetic core, the magnetic core comprises two winding-free areas which are symmetrically distributed, the auxiliary device comprises an auxiliary mechanism, the auxiliary mechanism comprises a partition plate, a bottom plate and a positioning frame, according to the invention, alignment and radial limiting between the annular inductor and the auxiliary mechanism are realized through cooperation of the partition plate, the plurality of limiting rods and the annular inductor, and vertical alignment between the auxiliary mechanism and the insulating substrate is realized by inserting the limiting columns into the preset connecting holes in the insulating substrate; the base plate and the substrate are conveniently and quickly inserted and accurately positioned, so that the annular inductor is effectively prevented from skewing or shifting when being subsequently assembled to the substrate, the problems of inaccurate alignment of the pins and the bonding pads, insufficient welding, short circuit and the like are avoided, and the assembling quality and the electrical performance consistency of products are remarkably improved.

The vehicle comprises a shading device arranged inside the driving cab. The shading device comprises a main curtain and a first side curtain, which are separate from each other but carried by common shaft, rotatable relative to a chassis, and which are each kinematically linked to the shaft. The vehicle further comprises a camera monitoring system capturing images outside the driving cab, and a first display screen arranged inside the driving cab, positioned on first one of the two lateral sides of the windshield, and vertically aligned with first side curtain but offset from main curtain. The shading device is configured to change between a first configuration, in which the main curtain and the first side curtain are entirely disposed higher than top of the first display screen, and a second configuration, in which a portion of the main curtain is disposed lower than top of the first display screen.

The utility model provides an immersive multi -screen splicing and picture synchronous switching device relates to multimedia playing technical field, solves the requirement of picture immersion, therefore will adopt the use of connection display screen of multiple sets of devices cooperation, but when using simultaneously in multiple devices, through not having good cooperation mechanism use between the devices, lead to the device can not be used in good cooperation, influence the problem of actual experience. Immersive multi -screen splicing and picture synchronous switching device, include: the picture synchronous switcher body bottom is equipped with support seat, when needing to connect more display and use multiple groups of picture synchronous switcher body, only need to place the support seat of the bottom of the newly added picture synchronous switcher body firmly on the top of the existing equipment, make it strictly fits the joint and insert into the fixed slot of adjacent picture synchronous switcher body through manual clockwise rotation fixed screw, still can ensure that each group of equipment keeps perfect vertical alignment and stress balance.

A magnetic tunnel junction (MTJ) stack, where a vertical side surface of a bottom electrode of the MTJ stack is surrounded by an oxide, where the bottom electrode and the oxide are horizontally aligned. A magnetic tunnel junction (MTJ) stack, where a vertical side surface of a bottom electrode of the MTJ stack and a metal spacer below the bottom electrode is surrounded by an oxide, where an upper surface of the bottom electrode is horizontally aligned with a horizontal upper surface of the oxide, where a lower surface of the metal spacer is horizontally aligned with a horizontal lower surface of the oxide. Forming a metal spacer above and vertically aligned with a lower metal line surrounded by a dielectric, and forming a metal layer on the metal spacer and dielectric with a high temperature deposition of the metal layer, where the metal layer oxidizes.

The invention relates to the technical field of liquid level meters, in particular to a floater and fixed pulley linkage remote transmission liquid level meter device which comprises a fixing plate, an upper supporting plate and a lower supporting plate, the upper supporting plate and the lower supporting plate are located below the fixing plate, two sets of supporting rods are fixedly connected between the upper supporting plate and the lower supporting plate, and an upper floater and a lower floater are slidably connected to the two sets of supporting rods respectively. An upper fixed pulley and a lower fixed pulley are rotationally arranged on the opposite sides of the upper supporting plate and the lower supporting plate respectively; a connecting rope guided by the upper fixed pulley and the lower fixed pulley is connected between the upper floater and the lower floater; through density adaptation of the glass beads filled in the lower floater and autonomous vertical alignment of the universal ball, and in combination with stable tension formed by the density difference of the double floaters, the accuracy of liquid level measurement and installation convenience are improved; an elastic buffering structure composed of a sliding rod and a spring in the lower floater is used for effectively absorbing impact force generated by sudden change of the liquid level, connecting rope shaking and signal false triggering are avoided, and the adaptability of the device to complex working conditions is enhanced.

An apparatus includes a fixed assembly and a reciprocating assembly. The fixed assembly includes a hopper, a first gas manifold, and a dispensing chamber, and the reciprocating assembly includes a channel assembly defining a channel conduit, a shield plate vertically aligned therewith, and a second gas manifold. The reciprocating assembly may move, in relation to the fixed assembly, to a first position to enable the channel conduit to be filled with bulk compressible material from the hopper, a second position to enable compressible material to be pushed from the channel conduit to the dispensing conduit and to be compressed in the dispensing chamber according to a first gas directed through the channel conduit by the first gas manifold, and a third position to enable the compressed material to be pushed out of the dispensing conduit according to a second gas directed through the dispensing conduit by the second gas manifold.

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 semiconductor package includes: a molded body having opposite first and second sides; at least one semiconductor die encapsulated by the molded body; and a die carrier having opposite first and second sides. The semiconductor die is arranged over the first side of the die carrier. The second side of the die carrier is at least partially exposed from the second side of the molded body, forming at least one exposed portion of the die carrier. The first side of the molded body includes a first portion protruding from a second portion in a vertical direction perpendicular to the first side, forming a planar surface. The second portion extends completely along at least one edge of the first side. A center point of the first portion is in vertical alignment with a center point of the exposed portion.

The present invention relates to liquid-crystalline (LC) media comprising stabilizers for optical, electro-optical and electronic purposes, in particular for use in LC displays, especially in LC displays of the vertical alignment mode, to LC displays of the vertical alignment mode comprising said LC media, and to a process for the production of said LC displays.

The application discloses an optical-mechanical XR AA test mechanism, which comprises an optical-mechanical test lighting mechanism, a transfer mechanism, a fixed transfer platform and a test rotating platform, the test rotating platform drives the optical-mechanical test lighting mechanism to rotate, and the fixed transfer platform drives the transfer mechanism to rotate; the optical-mechanical test lighting mechanism comprises a platform support, the platform support is provided with a supporting column, a second moving seat is slidably arranged on one side of the supporting column, the platform support is provided with a cylinder for driving the second moving seat to move up and down, a first moving seat is slidably arranged at the rear of the second moving seat, a guide wheel is arranged on one side of the first moving seat, the platform support is provided with a guide hole matched with the guide wheel, and the guide hole is arranged in an inclined mode; and one end of the supporting column is provided with a vacuum limiting jig. According to the application, the oblique alignment design replaces manual plug-in and plug-out of the wire, avoids the hard impact of the vertical alignment, and reduces the bending damage rate of the connector.

A method and system for managing overlay alignment and computing systems. This disclosure describes techniques for managing vertical alignment or overlay in semiconductor manufacturing using machine learning. Alignment of interconnect features in fan-out wafer level packaging processes is assessed and managed by the disclosed techniques. Big data and machine learning are used to train a classification that relates overlay error source factors to overlay metrology categories. The overlay error source factors include tool signals. Training the classification includes base classification and meta classification.

A plurality of photosites each photosite including: a first photosensitive area formed in the semiconductor substrate that captures light in a first wavelength range; a second photosensitive area formed in the semiconductor substrate vertically in line with the first photosensitive area that captures light in a second wavelength range, different from the first wavelength range; a first area of collection of charges photogenerated in the first and second photosensitive areas, arranged on the side of a surface of the substrate opposite to the first photosensitive area; a first transfer gate vertically extending from the first photosensitive area to said surface, that transfers the charges photogenerated in the first photosensitive area to the second photosensitive area; and a second transfer gate, horizontally extending on said surface vertically in line with the second photosensitive area, that transfers the photogenerated charges from the second photosensitive area to the first charge collection area.

The utility model belongs to the technical field of thickness detection, and particularly relates to a thickness gauge for optical lens detection. The thickness gauge for detecting the optical lens comprises a base, a platform, a placing ring, a support frame, a lifting rod, a first motor and the like, the platform is fixedly connected to the middle of the top end of the base, the front side and the rear side of the platform are vertically aligned with the front side and the rear side of the platform, and the placing ring used for placing the optical lens is fixedly connected to the middle of the front side of the top end of the platform. The supporting frame is fixedly connected to the center of the rear side of the top end of the platform, the lifting rod is slidably connected into the supporting frame, the first motor is installed at the top end of the supporting frame, and an output shaft of the first motor penetrates through the upper portion of the supporting frame. Through the design of the cleaning assembly and cooperative work of the sponge block and the fan, dust or foreign matters on the measurement surface of the optical lens can be effectively removed before measurement, the influence of the dust or foreign matters on the measurement precision is avoided, and the accuracy of the measurement result is ensured.

The utility model discloses a copper bar shaping jig which comprises a base, a lengthening rod and a mounting seat, a lifting driving device is arranged on the mounting seat, the lifting output end of the lifting driving device is connected with a lifting plate, the lifting plate is provided with a plurality of upper pressing blocks and upper positioning blocks, the end faces of the upper pressing blocks are coplanar, and the end faces of the upper positioning blocks are coplanar. The base is provided with a supporting plate, the supporting plate is provided with a plurality of lower pressing blocks and lower positioning blocks, the upper pressing blocks and the lower pressing blocks are in one-to-one correspondence and are vertically aligned, the upper positioning blocks and the lower positioning blocks are in one-to-one correspondence and are vertically aligned, the end faces of the lower pressing blocks are coplanar, and the end faces of the lower positioning blocks are coplanar. Pressing gaps for pressing the power connection ends are formed between the corresponding upper pressing blocks and the corresponding lower pressing blocks, positioning gaps for positioning the power connection ends are formed between the corresponding upper positioning blocks and the corresponding lower positioning blocks, and the distance between the pressing gaps is smaller than the distance between the positioning gaps. The shaping and positioning device has the effects of shaping and positioning the power connection end of the copper sheet and improving the injection molding and assembling precision of the copper bar connecting piece.

An electronic chip includes a crack detection device formed inside and on top of a substrate or on top of the substrate. The device includes a conductive path made of an alternation of lower and upper conductive strips, where each lower strip includes first and second conductive vias in contact with the lower strip, third and fourth conductive vias in contact with respectively an upper strip and another upper strip, and first and second conductive tracks respectively connecting the first and third vias and the second and fourth vias. The first and second vias are located vertically in line respectively with a first end and a second end of the lower strip, and the third and fourth vias are located vertically in line respectively with one end of the upper strip and of the other upper strip.

This invention discloses a stacked optical waveguide structure and its formation method. The method includes: providing a semiconductor substrate; forming an optical waveguide wire groove, a beam inlet groove, and a beam outlet groove on the semiconductor substrate; forming a first metal reflective layer on the inner wall of the groove and filling it with a first light guide medium; forming a second metal reflective layer on the first light guide medium and opening a window to form a beam inlet connector and a beam outlet connector; bonding the semiconductor substrate to a carrier substrate by flipping and performing back-side thinning; removing excess metal to form a third metal reflective layer; repeating the above steps to prepare a multilayer optical waveguide structure, and achieving vertical alignment and direct bonding through the third metal reflective layer to form a stacked optical waveguide structure.

In some examples, a device comprises a substrate including a notch formed in a surface of the substrate and a semiconductor die positioned in the notch and including an electrochemical sensor on an active surface of the semiconductor die. The device also comprises a chemically inert member abutting the surface of the substrate and including an orifice in vertical alignment with the electrochemical sensor as a result of the semiconductor die being positioned in the notch. The device also comprises a compressed o-ring seal positioned between the chemically inert member and the active surface of the semiconductor die, the compressed o-ring seal circumscribing the electrochemical sensor.

An upper layer film-forming composition exhibits good solubility in hydrophobic solvents and can bring about vertical alignment of a block copolymer without dissolution, swelling or the like of a layer containing the block copolymer formed on a substrate. This upper layer film-forming composition is used for phase separation of a layer containing a block copolymer formed on a substrate, and contains: (A) a copolymer containing a unit structure derived from a maleimide structure (a) and a unit structure derived from a styrene structure; and (B) as a solvent, a non-aromatic hydrocarbon compound that is a liquid at normal temperature and pressure.

The invention relates to a depth image sensor. Each pixel of the sensor comprises first and second sense nodes and a collection zone vertically aligned with a photosensitive region formed in a substrate; first and second transfer transistors respectively comprising first and second vertical gates and first and second channels; a multi-gate initialization transistor of the photosensitive region, comprising a collection channel controllable by the first and second vertical gates. The channels of the transistors extend between, on one side, the photosensitive region and, on the other, the sense nodes and the collection zone. The readout circuit is configured to apply first and second electrical signals respectively to the first and second vertical gates so as to alternately turn on each of the first channel, the second channel and the collection channel passing, independently of the two other channels.