26results about How to "Improve viewing angle" patented technology

The present application belongs to the field of display driving technology, and specifically relates to a pixel circuit, a pixel driving method and a display panel. The pixel circuit includes: a first switch tube, a liquid crystal capacitor, a voltage neutralization unit and a reset unit; the first end of the voltage neutralization unit is connected to the first end of the liquid crystal capacitor, and the voltage neutralization unit is used to neutralize the voltage in the liquid crystal capacitor at the end of charging; the reset unit is used to reset the voltage in the voltage neutralization unit during the charging stage; the present application neutralizes the voltage in the liquid crystal capacitor after charging through the voltage neutralization unit, so that the liquid crystal molecules rotate multiple times within one frame, so that the emitted light can have different emission angles, which greatly improves the display viewing angle and also improves the transmittance of the display panel.

The application discloses a kind of zero visual seam's liquid crystal display unit, it is related to display technical field.The display unit includes backlight module, liquid crystal panel assembly and optical compensation composite cover plate.Wherein, the edge of backlight module is equipped with the chamfer support surface that is inwards shrinkage, the non-display area of liquid crystal panel assembly is bent or adhered along the chamfer support surface, so that the physical height of non-display area is lower than the plane where effective display area is located.Optical compensation composite cover plate is adhered to the surface of liquid crystal panel assembly and extends to cover above non-display area, and the cover plate sequentially includes light remodeling layer, waveguide light uniform layer and wide-angle scattering layer from bottom to top.The application is cooperated by mechanical structure and micro-nano optics, realizes the visual screening of physical seam under the premise of not increasing electronic control complexity, solves the problems of large assembly thickness, black seam ghost and edge image distortion in traditional seam elimination scheme.

The application provides a near-eye display system, a display method and a virtual reality device. The near-eye display system comprises a projection device, a semi-transparent screen and a micro-mirror array. The semi-transparent screen is arranged opposite to the projection device. The micro-mirror array is arranged on the side of the semi-transparent screen away from the projection device. The projection device is used for projecting a light beam to the semi-transparent screen to form a micro-unit image. The image unit of the micro-unit image corresponds to the micro-mirror unit of the micro-mirror array one by one. The micro-mirror array is used for reflecting the light beam passing through the semi-transparent screen, so that the light beam enters the eye and reconstructs a three-dimensional image. The near-eye display system, the display method and the virtual reality device provided by the application have the advantages of simple structure, convenient use, effective avoidance of vergence-accommodation conflict, reduction of discomfort and dizziness of users, improvement of imaging quality and viewing angle, and good user experience.

The utility model relates to a computer case for computer teaching, and relates to the technical field of computer teaching, the computer case comprises a case body, two side walls, close to each other, of the case body are open and are both provided with case plates, and the sides, close to each other, of the two case plates abut against each other; the sides, away from each other, of the box plates are hinged to the case body, the box plates are detachably connected with the case body, and the two box plates are detachably connected. The method has the effect of improving the object display teaching effect.

The invention discloses an image entropy-based MIMO (Multiple Input Multiple Output) multi-view radar correlated imaging method and device and a medium, and aims to solve the new problem of correlation mismatch between radar echoes and reference signals of corresponding imaging resolution units caused by uncertain fluctuation of scattering intensity of the resolution units along with view angles in radar correlated imaging. The method comprises the following steps: starting from suppressing the energy distribution of an imaging resolution unit, based on imaging scene sparse reconstruction, adding image entropy to construct a new optimization model, and solving the optimization model by adopting a soft threshold iterative shrinkage algorithm to obtain a high-resolution multi-view MIMO radar correlated imaging result. The number of imaging channels is increased, the observation visual angle is enlarged, the randomness of a radiation field is improved, and meanwhile high-precision imaging can be achieved under the condition that the scattering intensity of the resolution unit fluctuates.

The present invention provides a humanoid robot wireless charging system and a charging method thereof, wherein the charging system comprises a wireless charging blanket composed of a base blanket, a ferrite, a wireless electromagnetic flux transmitting coil, a pressure sensor, a photoelectric sensor and a visual beacon, and a visual camera and a wireless electromagnetic flux receiving converter arranged on the humanoid robot, and further comprises a wireless communication server and a processor. When the humanoid robot is on the wireless charging blanket, the pressure sensor, the photoelectric sensor and the visual camera respectively obtain the instantaneous pressure, position and posture of the humanoid robot on the wireless charging blanket and the information of the charging battery of the humanoid robot. After processing the information, the processor performs electromagnetic flux transmitting switch, intensity and direction control on the wireless electromagnetic flux transmitting unit composed of at least one wireless electromagnetic flux transmitting coil and ferrite near the wireless electromagnetic flux receiving converter, and implements dynamic wireless charging under all working conditions for the humanoid robot in standing or moving operation.

The invention provides an internal-projection large-field-of-view HUD system, and the system comprises an image source which is used for emitting a light beam; the reflection imaging assembly is used for directly receiving the light beam emitted by the image source and reflecting the light beam to project a real image; and the diffusion film is arranged corresponding to the real image and is used for expanding the field angle of the real image. Compared with an HUD system adopting virtual image imaging in the prior art, the HUD system has the advantages that the light beam is directly received through the reflection imaging assembly, and the light beam is reflected so as to directly project a real image; furthermore, a diffusion film is arranged at the position of the real image, and the field angle of the real image can be expanded by the diffusion film, so that a viewer can view the real image from a larger viewing angle.

The invention provides plug anomaly detection equipment. The plug anomaly detection equipment comprises a plug detection system, a cooling system and a data processing system, the cooling system is used for cooling the plug detection system and the plug working environment; the plug detection system comprises a visual unit used for shooting plug images; the visual unit is in communication connection with the data processing system; and the data processing system comprises a data preprocessing unit, a plug falling detection unit, a plug surface flaw detection unit and an alarm unit, and is used for data acquisition, data processing, plug falling and surface flaw detection when the plug works. The method comprises the following steps: preprocessing original point cloud data to obtain preprocessed point cloud data, and segmenting the preprocessed point cloud data to obtain header data; and then plug falling detection is carried out, if the plug does not fall, plug surface flaw detection is carried out, and if the plug falls, the steps of data preprocessing and plug falling detection are repeated.

The utility model relates to electrical wiring design technical field, concretely is a kind of display device for building electrical wiring design, including machine body, two groups of fixed plate, the fixed plate is slidably arranged in the side of machine body, and the inside of fixed plate is provided with sliding slot, and the sliding slot is inclined arrangement, and placing plate, the placing plate is arranged in the side of two groups of fixed plate, display board, the display board is arranged in the side of placing plate, and display board is used to show wiring design. The display device for building electrical wiring design, through the cooperation between top stick and fixed plate, and then when push plate promotes the transverse movement of top stick, top stick will be through the way of promoting fixed plate longitudinal movement to drive placing plate displacement, and the movement of placing plate will change the height of display board, so the height of display board and the wiring design carried thereby can be conveniently changed, so that the device can adapt to the best viewing angle of everyone, improve communication efficiency.

The invention discloses a display screen assembly, a flexible display screen and an electronic device, and relates to the technical field of display. In the invention, the color filter layer and the light-emitting layer are stacked, and the color filter layer comprises a plurality of filter units; a black matrix is arranged between the light-emitting layer and the color filter layer, a plurality of through holes are formed in the black matrix, and in the plurality of filter units and the plurality of through holes, the filter units and the through holes are in one-to-one correspondence and are oppositely arranged; and the light emitted by the light-emitting layer sequentially passes through the through hole and the light filtering unit. The arrangement position of the black matrix is changed, so that the black matrix is closer to the light-emitting layer than the color filter layer. Therefore, when the relative position of the color filter layer and the light-emitting layer is not changed, compared with the technical scheme that the black matrix is located in the color filter layer, the brightness attenuation can be reduced, and the visual angle color cast can be improved.

The utility model relates to the field of medical instruments, and discloses an arm restraint strap of an operation traction bed, which comprises a supporting table, a binding mechanism is arranged on the supporting table, the binding mechanism is used for fixing an arm of a patient, and the binding mechanism comprises a first binding ring and a second binding ring. First gaskets are fixedly connected to the inner sides of the first binding ring and the second binding ring; an angle adjusting mechanism is arranged at the lower end of the binding mechanism and used for adjusting the angle of the second binding ring, and the angle adjusting mechanism comprises a sliding groove plate. The telescopic supporting mechanism is used for adjusting the height of the device, so that the adaptability of the device is higher, meanwhile, the adjustable angle design is adopted, the bending angle of the arm of a patient can be conveniently adjusted before an operation, a better visual angle and a better cutting angle are achieved in the operation process, and compared with a traditional single fixing ring, the double binding rings have better stability, and the operation is more convenient. The device is practical and suitable for being widely popularized and used.

This disclosure relates to the field of display technology, and discloses a color filter substrate and an electrophoretic display device. The color filter substrate includes a first substrate, a filter layer, a first electrode, and a light enhancement layer. The filter layer is disposed on one side of the first substrate. The first electrode is disposed on the side of the filter layer opposite to the first substrate. The light enhancement layer is disposed on the side of the first electrode opposite to the first substrate, and a recess is provided on the side of the light enhancement layer opposite to the first substrate. This color filter substrate has high contrast.

The application discloses a portal crane sling positioning plate mounting method, belongs to the related technical field of the sling, and is characterized in that the upper surface of the sling is provided with front and rear positioning plates at both ends; a front scanner scanning surface intersects with the rear positioning plate, the rear positioning plate surface is inclined forward, namely, the rear is high and the front is low, and the vertex of the rear positioning plate scanned by the front scanner is a front scanner positioning plate detection point; a rear scanner scanning surface intersects with the front positioning plate, the front positioning plate surface is inclined backward, namely, the front is high and the rear is low, and the vertex of the front positioning plate scanned by the rear scanner is a rear scanner positioning plate detection point. The application is used for solving the technical problems of the prior art, such as water accumulation in the positioning plate, poor detection reliability of the positioning point and poor shielding performance.

The utility model relates to desktop storage box technical field, specifically is a kind of eagle type multifunctional desktop schedule cloud management device.The multifunctional desktop schedule management storage device integrates display screen reminder, storage, mobile phone support and clock display multiple functions, clever design and practical.The multiple products are integrated together, not only improve the functional diversity of device, also greatly improve the convenience of use.User can complete schedule viewing, article storage, mobile phone support and time viewing etc.Various operations on one equipment, without frequent switching different equipment, to improve work efficiency and life convenience.

The utility model relates to a wearing device of a law enforcement instrument, the law enforcement instrument comprises a mounting shell, the wearing device comprises a first wearing support and a mounting structure, the mounting structure comprises a rotary adjusting buckle, and the first wearing support is clamped with the mounting shell of the law enforcement instrument through the rotary adjusting buckle; the second wearing support comprises a connecting assembly, the connecting assembly comprises a through hole, the size of the through hole is matched with that of the mounting structure, and the first wearing support is clamped with the mounting shell of the law enforcement instrument after being clamped with the through hole through the mounting structure, so that the second wearing support is connected with the law enforcement instrument. A law enforcement officer can flexibly select the first wearing support and the second wearing support to use the law enforcement instrument in a matched mode according to different law enforcement environments and tasks, the law enforcement instrument adapts to various wearing scenes and requirements, the wearing diversity and flexibility of the law enforcement instrument are improved, and therefore the use experience of the law enforcement officer is improved.

The invention discloses a real-time positioning method for a ground aircraft-winding inspection robot, and the method comprises the steps: obtaining the wide-area point cloud data of an aircraft, and building a stable coordinate system with the aircraft as a reference through the recognition and registration of a plurality of semantic key points, such as a nose cone and a wingtip, and a pre-stored template; the method comprises the following steps: acquiring laser radar and camera data in real time, inputting the data into a pre-trained multi-modal deep learning model, and outputting probability distribution representing the current pose of a robot under an aircraft coordinate system by the model; in a filter, the mean value of the probability distribution is used as an observation value, the variance is used as dynamic observation noise, optimal fusion with motion prediction of the robot itself is carried out, and a final smooth pose is generated. According to the method, the real-time monitored pose uncertainty is utilized, the robot is actively controlled to adjust the position so as to improve the sensing quality when the observation view angle is poor, high-precision and high-robustness aircraft relative positioning is achieved, and the method has the active sensing ability.

The invention discloses mobile propaganda equipment in the technical field of educational propaganda equipment, which comprises a shell, a first rotating shaft and a second rotating shaft are sequentially arranged in an inner cavity of the shell from top to bottom, and a moving mechanism is arranged between the first rotating shaft and the second rotating shaft; the moving mechanism comprises a conveying belt, side pockets are fixedly mounted on the front side and the rear side of the conveying belt correspondingly, and by arranging the moving mechanism, after a worker inserts a propaganda drawing into the side pockets, a lifting cover is closed, and then an insertion key is inserted into an insertion lock, so that the propaganda drawing inside is clamped and fixed through a limiting plate; a motor is started to drive a first rotating shaft and a second rotating shaft to rotate, the first rotating shaft and the second rotating shaft drive a conveying belt to rotate, and the conveying belt drives two side pockets on the surface to switch back and forth, so that propaganda viewing and reading are facilitated, and the social effect of education propaganda is improved; the reading interestingness of viewers is attracted, and the method is suitable for wide popularization

The utility model discloses a panel showing stand for economists, which comprises a base, a sucker, a bottom turntable, a steering knuckle, a vertical connecting rod, a horizontal connecting rod, a rotating shaft bracket, a panel bracket and a horizontal balancing weight, wherein the steering knuckle on a main rotating shaft of the bottom turntable is sequentially connected with the vertical connecting rod and the horizontal connecting rod; according to the panel showing stand for the economics, the bottom rotating disc and the steering knuckle are matched with the vertical connecting rod and the horizontal connecting rod, so that multi-angle and multi-direction showing station adjustment is achieved; the position of the tablet computer is limited by a limiting knob and a bottom arc-shaped bearing frame of the tablet computer support, in the display station adjusting process, a rotating shaft of a rotating shaft support rotates passively, the tablet computer support can swing left and right in the plane dimension, and due to the fact that a horizontal balancing weight is installed at the bottom of the tablet computer support, the tablet computer is always located on a vertically-placed panel and directly faces an operator. And the optimal viewing angle is ensured.

The utility model relates to the technical field of demonstration devices, and discloses an angle-adjustable exhibition hall demonstration device, which comprises a display screen. The supporting disc is arranged at the bottom of the display screen; the supporting cylinder is arranged at the top of the supporting disc; the lifting assembly is arranged in the supporting cylinder and controls the display screen to ascend and descend; the first adjusting assembly is arranged above the supporting disc and used for adjusting the vertical angle of the display screen; the second adjusting assembly is arranged in the supporting disc and used for adjusting the transverse angle of the display screen; a second motor is fixedly connected to the inner wall of the bottom end of the supporting cylinder. The vertical angle of the display screen is adjusted through the first adjusting assembly, the transverse angle of the display screen is adjusted through the second adjusting assembly, the limitation that a traditional device can only be adjusted in the longitudinal direction is overcome, audiences can obtain a good viewing angle from different directions such as the side face or the inclined side, and the displayed content can be comprehensively and clearly viewed; and the visiting experience of the audience is greatly improved.

The application belongs to the technical field of automatic welding and industrial robot control, and relates to a welding molten pool state monitoring and control method and device based on visual feedback. The method comprises the following steps: controlling an industrial camera to perform position translation, so that a to-be-welded area enters the effective field of view range of the industrial camera; in a welding process, continuously collecting images of the welding area to obtain multiple welding images; performing weighted fusion on the multiple welding images to obtain a fused image, and performing preprocessing on the fused image to obtain a preprocessed image; performing molten pool state recognition based on the preprocessed image to obtain current molten pool state parameters and corresponding welding defect information; comparing the current molten pool state parameters with preset target parameters of the molten pool to obtain a state deviation, and generating corresponding driving instructions according to the state deviation; and performing multi-stage posture adjustment and fine positioning control on the industrial camera based on the driving instructions, so that the welding molten pool is kept at an optimal observation viewing angle.

A liquid crystal display device is disclosed. The liquid crystal display device includes a liquid crystal panel, a viewer-side polarizing plate stacked on a light exit surface of the liquid crystal panel, and a first optical sheet and a second optical sheet stacked in sequence on a light entrance surface of the liquid crystal panel, wherein the viewer-side polarizing plate includes a polarizer and a contrast or viewing angle enhancement layer, the liquid crystal panel has a horizontal direction corresponding to a long side thereof and a vertical direction corresponding to a short side thereof, and the first optical sheet has a plurality of first optical patterns on a light exit surface thereof, a longitudinal direction of the first optical patterns having an angle in a range of -10° to +10° with respect to the vertical direction of the liquid crystal panel.

The present disclosure provides an apparatus including a display element including a plurality of light-emitting elements disposed two-dimensionally on a plane and a plurality of microlenses provided for corresponding ones of the plurality of light-emitting elements, and an ocular optical system, containing at least one reflective surface therein, that guides light from a display surface of the display element to an exit pupil, wherein in a peripheral part of the display element, a light emission center of each light-emitting element and a center of the microlens corresponding to the light-emitting element are shifted from each other in a direction parallel to the plane.

The present invention discloses a dual-screen rotation mechanism, including a mainframe, a main screen and an auxiliary screen, wherein the main screen is hinged with the auxiliary screen, and the dual-screen rotation mechanism also includes a slide rail seat mechanism, wherein the slide rail seat mechanism includes: a mounting seat, which is hinged with the mainframe; a linear motion mechanism, which is mounted on the mounting seat; a first rotating shaft, whose two ends are respectively connected to the mounting seat and the main screen, and when the main screen and the auxiliary screen are flipped, the main screen rotates around the first rotating shaft; a second rotating shaft, whose two ends are respectively connected to the linear motion mechanism and the auxiliary screen, and when the main screen and the auxiliary screen are flipped, the auxiliary screen rotates around the second rotating shaft, and the second rotating shaft slides along the linear motion mechanism. The present invention can realize rapid flipping of dual screens and centered display, with stable center of gravity, good viewing angle, and strong vibration resistance; the internal cables are not affected by flipping and sliding dragging and the cable length is greatly shortened, with long service life, strong anti-interference ability, and simpler and more convenient flipping operation.

The invention discloses an anti-adsorption and anti-interference prism film which comprises a base material layer and an upper prism layer arranged on the upper end face of the base material layer, the upper prism layer comprises a plurality of first light-transmitting prisms arranged in the Y direction of the base material layer, and the length direction of the first light-transmitting prisms is consistent with the X direction of the base material layer; wherein a plurality of de-interference grooves are formed in the direction of the edge top length side line of the light-transmitting prismoid. The prism film provided by the invention has a certain light diffusion effect, and is helpful for reducing the moire interference phenomenon and improving the visual angle; and when the prism film is mounted in a fitting manner, the problem of adsorption between the prism film and the back surface of the liquid crystal screen can be solved through the hollow structure of the de-interference groove.

In some examples, the display device can include an auxiliary black matrix disposed adjacent to the cover window. The auxiliary black matrix has a first thickness in the display area that is different from a second thickness in the non-display area. By controlling the thickness and optical density of the auxiliary black matrix, as well as the bank layer and the black matrix positioned corresponding to the non-light emitting area in the display area, the display area can have substantially the same optical density and / or light transmittance as the non-display area. A display device with improved reflection visibility can be achieved.

The present invention relates to the technical field of medical equipment, and specifically to a flexible laparoscope. The flexible laparoscope comprises a laparoscope rod, a signal connector is provided at the rear end of the laparoscope rod, a flexible joint adjustment handle is provided at the end of the laparoscope rod, a flexible bendable joint is provided at the front end of the laparoscope rod, a signal lens is provided at the front end of the flexible bendable joint, a threaded screw-in groove is provided inside the flexible bendable joint, and an adjustment rod is provided in cooperation. A main kinematic pair is provided in the flexible bendable joint, one end of the main kinematic pair is hinged to the signal lens, and the other end is hinged to the adjustment rod. A centering layer is also provided in the laparoscope rod, and the adjustment rod passes through the axis of the centering layer. A signal line through hole and a slave kinematic pair are provided on the centering layer, and the slave kinematic pair is hinged to the main kinematic pair. A camera and an argon light are provided inside the front end of the signal lens. The present invention can reduce the implanted operating instruments during single-hole compound laparoscopic surgery, and greatly increase the degree of freedom of surgical instruments.