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14results about How to "Reduce alignment accuracy requirements" patented technology
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Light emitting diode test circuit, printed circuit board, display module and display panel
ActiveCN115566129Breduce in quantityReduce alignment accuracy requirementsPrinted circuit manufactureHemt circuitsLight-emitting diode
The application relates to a light-emitting diode test circuit, a driving chip, a display module and a display panel. The light-emitting diode test circuit comprises: a plurality of first conductive elements, each first conductive element being used for corresponding connection with an anode of each light-emitting diode on a display module to be tested; a plurality of second conductive elements, each second conductive element being used for corresponding connection with a cathode of each light-emitting diode on the display module to be tested; a first conductive test element, which is connected with each first conductive element and is used for receiving a first driving voltage provided by an external test device; and a second conductive test element, which is connected with each second conductive element and is used for receiving a second driving voltage provided by the external test device, wherein the first driving voltage is greater than the second driving voltage. By using the above light-emitting diode test circuit, the number of top pins of a detection device can be reduced, and thus the detection cost is reduced.
Owner:INTERFACE OPTOELECTRONICS (SHENZHEN) CO LTD +2
Guide assembly and process cavity
ActiveCN222613447Uprecise positioningReduce alignment accuracy requirementsVacuum evaporation coatingSputtering coatingMechanical engineeringPhysics
The utility model provides a guide assembly and a process cavity. The guide assembly comprises a base, a support and a plurality of rolling bodies. The base is used for being fixed to the cavity. The bracket extends upwards from the base; the rolling bodies are arranged on the support in a surrounding mode, the rolling bodies are aligned in pairs in the radial direction and spaced, gaps which are through in the vertical direction are formed, and the rolling bodies are used for guiding a guide rod of the cover plate assembly to penetrate through the gaps and clamping the guide rod in a rolling mode to move downwards towards the cavity so that the guide rod can be fixed to the cavity. The process cavity comprises a cover plate assembly and a cavity body, the cover plate assembly comprises a cover plate and a guide rod, and the cover plate is used for downwards covering the opening end of the cavity body; the guide rod extends downwards from the cover plate; the process cavity further comprises the guide assembly. According to the guide assembly and the process cavity, the requirement for alignment precision is low, cost is low, operation is easy, and the requirement for the installation technology of workers is low.
Owner:江苏先导微电子科技有限公司
Display panel
InactiveCN119630188Areduce thicknessReduce alignment accuracy requirementsRefractive indexLight emitting device
The display panel comprises an array substrate, a light emitting device layer, a pixel definition layer and a packaging layer, the light emitting device layer comprises a plurality of light emitting units, the pixel definition layer comprises a plurality of openings, the light emitting units are correspondingly located in the openings, and the packaging layer comprises a first organic layer and a first inorganic layer arranged on the first organic layer. The refractive index of the first organic layer is smaller than that of the first inorganic layer, the first organic layer comprises a plurality of organic units, each organic unit comprises a first main body part and a first protruding part connected with the first main body part, the first main body parts are located in the corresponding openings, and the first protruding parts protrude out of the openings; the surfaces of the sides, deviating from the array substrate, of the first protruding parts are arc-shaped surfaces, so that the organic units can form a micro-lens structure, and the light emitting efficiency is effectively improved; compared with a micro-lens structure additionally arranged on the packaging layer, the requirement for the alignment precision of the micro-lens can be lowered, the bending stress can be reduced, and the process and equipment cost can be reduced.
Owner:WUHAN CHINA STAR OPTOELECTRONICS SEMICONDUCTOR DISPLAY TECHNOLOGY CO LTD
Method of manufacturing a semiconductor structure, semiconductor structure and memory
ActiveCN115207211Breduce line widthReduce alignment accuracy requirementsBit lineSemiconductor structure
The method comprises the following steps: providing a substrate; forming a plurality of first electrode structures and a plurality of bit lines in the substrate; wherein the plurality of bit lines extend along a first direction, the first electrode structures and the bit lines are arranged at intervals along a second direction, and the plurality of first electrode structures are arranged in an array; forming an MTJ structure above the first electrode structures; forming an insulating layer above the substrate, wherein the insulating layer covers the substrate and the MTJ structure; forming a plurality of electrode trenches in the insulating layer, wherein the electrode trenches expose the top surface of the MTJ structure and the top surface of the bit lines; and forming a plurality of second electrode structures in the plurality of electrode trenches. The method can reduce the alignment accuracy requirement when preparing the electrode, reduce the process difficulty, and improve the bit line density.
Owner:CHANGXIN MEMORY TECH INC
Display device and method of manufacturing the same
ActiveCN113594211BGuaranteed display effectavoid interferenceSemiconductor/solid-state device detailsSolid-state devicesDisplay deviceConductive materials
This disclosure relates to a display device and its manufacturing method, and pertains to the field of display technology. The display device includes a display panel, a support layer, a circuit board, and a shielding layer. The support layer is disposed on the backlight side of the display panel and is made of a conductive material. The circuit board is disposed on the side of the support layer facing away from the display panel and is electrically connected to the display panel. The shielding layer covers the side of the circuit board facing away from the display panel and includes a first insulating layer and a conductive layer distributed along the direction facing away from the display panel. The conductive layer includes an electrically connected shielding portion and a lead-out portion, with at least a portion of the lead-out portion exposed by the first insulating layer. The orthographic projection of the shielding portion on the display panel is within the orthographic projection of the circuit board on the display panel, and the orthographic projection of the lead-out portion on the display panel is outside the orthographic projection of the circuit board on the display panel. The lead-out portion is electrically connected to the support layer. The display device of this disclosure can shield against electrostatic interference.
Owner:BOE TECHNOLOGY GROUP CO LTD +1
A joint structure between the main body and the roof of the connecting corridor
ActiveCN224431675Usolve coordination problemsSolve the leakage problemInsulation layerClassical mechanics
A joint structure for the main structure and the roof of the connecting corridor includes a joint insulation layer and symmetrically arranged upper and lower sealing structures. The sealing structures, from the inside out, consist of an arc-shaped plate, an elastic joint connecting plate, an installation plate, and an outer decorative panel. The arc-shaped groove design of the arc-shaped plate can absorb multi-dimensional displacement. The elastic joint connecting plate is slidably connected to the expansion joint guard via a retaining strip, achieving dynamic deformation adaptation. The joint insulation layer fills the joint gaps, forming multiple waterproof barriers in conjunction with sealing rods, sealant, and a double-layer waterproof structure. The installation plate and the outer decorative panel are connected by bolts and fasteners, enabling modular, rapid installation and easy disassembly and maintenance. This invention, through a flexible deformation mechanism and integrated waterproof design, significantly improves the durability, construction efficiency, and maintenance convenience of the joint, making it suitable for complex conditions involving large-span connecting corridors and main structures.
Owner:BEIJING CONSTRUCTION ENGINEERING GROUP CO LTD
Probe module and detection device
ActiveCN222618730UEasy to assembleLow installation accuracy requirementsElectronic circuit testingElectrical measurement instrument detailsMechanical engineeringPhysics
Owner:OAT (HANGZHOU) INTELLIGENT MFG CO LTD
A rotor blade assembly device and a rotor assembly
ActiveCN117902078BImprove assembly efficiencyImprove regulation efficiencyClassical mechanicsControl theory
The application provides a rotor blade assembling device and a rotor assembly, which comprises a base and a blade clamp fixedly connected to the side of the base, a positioning block is arranged above the base, a first slot structure is arranged on the lower surface of the positioning block, and a positioning notch is formed at the position of the first slot structure when the positioning block is fixed to the base; a limiting piece is extended from the assembling surface of the blade clamp opposite to the base, the limiting piece and the positioning notch are complementarily matched when the blade clamp is fixed to the base, the blade clamp can be fixed to a target posture through the positioning notch and the limiting piece, and then the blade fixed to the blade clamp can be fixed to a target blade angle. The rotor blade assembling device and the rotor assembly can effectively guarantee the posture stability of the blade fixed at the target blade angle, can quickly adjust the blade angle by replacing the positioning block, are convenient to use, and can guide the adjustment of the assembling posture of the blade clamp pre-fixed to the base during the installation and fixation of the positioning block, thereby reducing the assembling precision requirement and improving the assembling efficiency.
Owner:NANCHANG SANRUI INTELLIGENT TECH CO LTD
IGBT device and manufacturing method thereof
PendingCN119403147ASimple manufacturing processReduce alignment accuracy requirementsSemiconductor devicesGate dielectricDielectric layer
The invention relates to an IGBT device and a manufacturing method thereof. The manufacturing method of the IGBT device comprises the following steps that a substrate is formed, the substrate comprises a top surface, a bottom surface and a plurality of trench gate structures, the top surface and the bottom surface are oppositely distributed, each trench gate structure comprises a gate trench, a gate dielectric layer covering the inner wall of the gate trench and a gate conductive layer filled in the gate trench, and the gate conductive layer protrudes out of the top surface of the substrate; forming isolation side walls covering the side walls of the gate conductive layer and sacrificial layers located between the adjacent isolation side walls on the top surface of the substrate; etching back the gate conductive layer, and forming a groove above the remaining gate conductive layer; forming a filling dielectric layer filled in the groove; removing the sacrificial layer to form an opening exposing the substrate; and etching the substrate downwards along the opening to form a contact hole. According to the invention, the requirement on the alignment precision of the contact hole mask plate and the gate trench mask plate is reduced, and the consistency of saturation voltage drop in the IGBT wafers and between the IGBT wafers is improved.
Owner:GTA SEMICON CO LTD
Optical rocker device
This utility model discloses an optical joystick device, belonging to the field of game input devices, including a joystick mechanism, an image acquisition module, and a PCB board. The bottom of the joystick mechanism is connected to a reflective surface with micron-level texture. The image acquisition module is located directly below the reflective surface and includes a light source, a lens module, and an image sensor. During operation, light shines through the lens onto the reflective surface, and the reflected light is received and analyzed by the image sensor to achieve precise positioning of the joystick operation. This device replaces the traditional multiple sets of optical components with a single image acquisition module, featuring simple structure, low cost, high assembly efficiency, and high reliability. It provides various joystick mechanism structures and can directly replace the joystick devices of existing game controllers, making it suitable for various game devices.
Owner:I STAR ELECTRONICS CO LTD
A charging device for a logistics robot
ActiveCN224746295UImprove the allowable range of alignment deviationReduce alignment accuracy requirements
The utility model belongs to charging equipment technical field, concretely relates to a charging device for logistics robot, including charger main part and electric control telescopic link, one end of electric control telescopic link is fixedly connected with adaptive elastic support, and the adaptive elastic support is fixedly connected with mounting panel on, and the mounting panel is fixedly connected with annular locating ring and plug on, and the charger main part is fixedly connected with and locating block and socket on, and the socket and charger main part electric connection, the inside of locating block is provided with annular locating groove, and the side of locating block is provided with the annular flared slot that is linked with annular locating groove, and the size of annular flared slot gradually increases from the one end close to locating block to the one end away from locating block, and the adaptive elastic support includes the rectangular frame of installation in electric control telescopic link one end. The utility model can promote the alignment deviation allowable range of plug and socket, reduce the alignment accuracy demand of plug, reduce the difficulty of alignment positioning when charging of logistics robot.
Owner:ASIA PACIFIC AGRICULTURAL & IND (BEIJING) TECHNOLOGY CO LTD
Connection locking device for modular robot
ActiveCN224196847Umeet connectionachieve lockingProgramme-controlled manipulatorGear wheelControl engineering
The utility model provides a connecting and locking device for a modular robot, which relates to the technical field of robots and comprises a locking connecting shaft and a locking connecting block. The adjacent module robots are connected in a matched mode through the locking connecting shafts and the locking connecting blocks. The locking connecting shaft comprises a connecting plate, a stepped shaft and a connecting disc, one side of the connecting plate is fixedly connected with the first end of the stepped shaft, the second end of the stepped shaft is fixedly connected with one side of the connecting disc, and the diameter of the connecting disc is larger than that of the smallest step on the stepped shaft; the locking connecting block comprises a connecting hole plate, a buckle, a first gear, a second gear, a limiting switch and a driving motor. According to the locking connection device, the locking connection shafts and the locking connection blocks are used in cooperation, so that locking connection between the module robots is achieved, and the locking connection device is simple in structure and convenient to operate.
Owner:YANSHAN UNIV
An all-fiber current sensor and detection method
ActiveCN122506213BOvercome vulnerability to environmental influencesDefect suppression that is susceptible to environmental influences
The application discloses a kind of all-fiber current sensor and detection method, belong to optical fiber sensing technical field, sensor includes: light source, first coupler, polarizer, second coupler, phase modulator, first circulator, third coupler, second circulator, fourth coupler, delay ring, λ / 4 wave plate, sensing optical fiber, current-carrying conductor, reflector, third circulator, fifth coupler, nanometer high-speed first optical switch, photodetector, A / D converter, FPGA, D / A converter and first programmable logic controller PLC.The application can realize accurate measurement of weak signal under strong interference, with high sensitivity, good linearity, strong stability and other advantages.Enhances the long-term stability and environmental adaptability of system;Intelligent control and self-adaptive interruption to optical path cycle number are realized, measurement can be automatically completed under the premise of guaranteeing optimal signal-to-noise ratio, with automation and reliability.
Owner:CHINA UNIV OF MINING & TECH +1
Projection display device and display equipment
ActiveCN115767050BImprove lighting effectsExtended service lifePicture reproducers using projection devicesColor transformationDisplay device
The present invention relates to the field of display technology, and discloses a projection display device and a display equipment, wherein the projection display device comprises: a light emitting component, the light emitting component comprises a plurality of light emitting elements arranged in an array; a light adjusting component, the light adjusting component is used to adjust the light emitted by the light emitting element; a color conversion component, the color conversion component is used to convert the color of the light emitted by the light emitting element; and a projection component, the projection component is used to amplify and project the light after the color is converted by the color conversion component. The present invention is conducive to increasing the service life and improving the display effect.
Owner:XIAMEN TIANMA MICRO ELECTRONICS